diff options
Diffstat (limited to 'progs')
48 files changed, 5375 insertions, 384 deletions
diff --git a/progs/demos/cubemap.c b/progs/demos/cubemap.c index 1f9f2905759..0df5ff09c33 100644 --- a/progs/demos/cubemap.c +++ b/progs/demos/cubemap.c @@ -43,6 +43,9 @@ #include "GL/glut.h" #include "readtex.h" +#ifndef GL_TEXTURE_CUBE_MAP_SEAMLESS +#define GL_TEXTURE_CUBE_MAP_SEAMLESS 0x884F +#endif static GLfloat Xrot = 0, Yrot = 0; static GLfloat EyeDist = 10; @@ -53,6 +56,8 @@ static GLint FrameParity = 0; static GLenum FilterIndex = 0; static GLint ClampIndex = 0; static GLboolean supportFBO = GL_FALSE; +static GLboolean supportSeamless = GL_FALSE; +static GLboolean seamless = GL_FALSE; static struct { @@ -91,7 +96,9 @@ static struct { -#define eps1 0.99 +/* The effects of GL_ARB_seamless_cube_map don't show up unless eps1 is 1.0. + */ +#define eps1 1.0 /*0.99*/ #define br 20.0 /* box radius */ static const GLfloat tex_coords[] = { @@ -231,6 +238,13 @@ static void draw( void ) glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, FilterModes[FilterIndex].mag_mode); + if (supportSeamless) { + if (seamless) { + glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS); + } else { + glDisable(GL_TEXTURE_CUBE_MAP_SEAMLESS); + } + } wrap = ClampModes[ClampIndex].mode; glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_S, wrap); glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_T, wrap); @@ -321,6 +335,11 @@ static void key(unsigned char k, int x, int y) mode = !mode; set_mode(mode); break; + case 's': + seamless = ! seamless; + printf("Seamless cube map filtering is %sabled\n", + (seamless) ? "en" : "dis" ); + break; case 'v': use_vertex_arrays = ! use_vertex_arrays; printf( "Vertex arrays are %sabled\n", @@ -502,23 +521,26 @@ static void load_envmaps(void) static void init( GLboolean useImageFiles ) { /* check for extensions */ - { - char *exten = (char *) glGetString(GL_EXTENSIONS); - if (!strstr(exten, "GL_ARB_texture_cube_map")) { - printf("Sorry, this demo requires GL_ARB_texture_cube_map\n"); - exit(0); - } + if (!GLEW_ARB_texture_cube_map) { + printf("Sorry, this demo requires GL_ARB_texture_cube_map\n"); + exit(0); + } - /* Needed for glGenerateMipmapEXT / auto mipmapping - */ - if (strstr(exten, "GL_EXT_framebuffer_object")) { - supportFBO = GL_TRUE; - } - else if (!strstr(exten, "GL_SGIS_generate_mipmap")) { - printf("Sorry, this demo requires GL_EXT_framebuffer_object or GL_SGIS_generate_mipmap\n"); - exit(0); - } + /* Needed for glGenerateMipmapEXT / auto mipmapping + */ + supportFBO = GLEW_EXT_framebuffer_object; + + if (!supportFBO && !GLEW_SGIS_generate_mipmap) { + printf("Sorry, this demo requires GL_EXT_framebuffer_object or " + "GL_SGIS_generate_mipmap\n"); + exit(0); } + + /* GLEW doesn't know about this extension yet, so use the old GLUT function + * to check for availability. + */ + supportSeamless = glutExtensionSupported("GL_ARB_seamless_cube_map"); + printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER)); if (useImageFiles) { diff --git a/progs/egl/Makefile b/progs/egl/Makefile index d3c32d46f78..fd72f540cae 100644 --- a/progs/egl/Makefile +++ b/progs/egl/Makefile @@ -17,6 +17,7 @@ PROGRAMS = \ eglgears \ eglscreen \ peglgears \ + xeglbindtex \ xeglgears \ xeglthreads \ xegl_tri @@ -84,6 +85,12 @@ peglgears.o: peglgears.c $(HEADERS) $(CC) -c $(CFLAGS) -I$(TOP)/include peglgears.c +xeglbindtex: xeglbindtex.o $(TOP)/$(LIB_DIR)/libEGL.so + $(CC) $(CFLAGS) xeglbindtex.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@ + +xeglbindtex.o: xeglbindtex.c $(HEADERS) + $(CC) -c $(CFLAGS) -I$(TOP)/include xeglbindtex.c + xeglgears: xeglgears.o $(TOP)/$(LIB_DIR)/libEGL.so $(CC) $(CFLAGS) xeglgears.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@ diff --git a/progs/egl/xeglbindtex.c b/progs/egl/xeglbindtex.c new file mode 100644 index 00000000000..fdd9fe2b87b --- /dev/null +++ b/progs/egl/xeglbindtex.c @@ -0,0 +1,474 @@ +/* + * Simple demo for eglBindTexImage. Based on xegl_tri.c by + * + * Copyright (C) 2008 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * The spec says that eglBindTexImage supports only OpenGL ES context, but this + * demo uses OpenGL context. Keep in mind that this is non-standard. + */ + +#include <math.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/keysym.h> +#include <GL/gl.h> +#include <EGL/egl.h> + +static EGLDisplay dpy; +static EGLContext ctx_win, ctx_pbuf; +static EGLSurface surf_win, surf_pbuf; +static GLuint tex_pbuf; + +static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0; +static GLboolean blend = GL_TRUE; +static GLuint color_flow; + +static void +make_pbuffer(int width, int height) +{ + static const EGLint config_attribs[] = { + EGL_RED_SIZE, 8, + EGL_GREEN_SIZE, 8, + EGL_BLUE_SIZE, 8, + EGL_BIND_TO_TEXTURE_RGB, EGL_TRUE, + EGL_NONE + }; + EGLint pbuf_attribs[] = { + EGL_WIDTH, width, + EGL_HEIGHT, height, + EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGB, + EGL_TEXTURE_TARGET, EGL_TEXTURE_2D, + EGL_NONE + }; + EGLConfig config; + EGLint num_configs; + + if (!eglChooseConfig(dpy, config_attribs, &config, 1, &num_configs)) { + printf("Error: couldn't get an EGL visual config for pbuffer\n"); + exit(1); + } + + eglBindAPI(EGL_OPENGL_API); + ctx_pbuf = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL ); + surf_pbuf = eglCreatePbufferSurface(dpy, config, pbuf_attribs); + if (surf_pbuf == EGL_NO_SURFACE) { + printf("failed to allocate pbuffer\n"); + exit(1); + } + + glGenTextures(1, &tex_pbuf); +} + +static void +use_pbuffer(void) +{ + static int initialized; + + eglMakeCurrent(dpy, surf_pbuf, surf_pbuf, ctx_pbuf); + if (!initialized) { + EGLint width, height; + GLfloat ar; + + initialized = 1; + + eglQuerySurface(dpy, surf_pbuf, EGL_WIDTH, &width); + eglQuerySurface(dpy, surf_pbuf, EGL_WIDTH, &height); + ar = (GLfloat) width / (GLfloat) height; + + glViewport(0, 0, (GLint) width, (GLint) height); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-ar, ar, -1, 1, 1.0, 10.0); + + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + + /* y-inverted */ + glScalef(1.0, -1.0, 1.0); + + glTranslatef(0.0, 0.0, -5.0); + + glClearColor(0.2, 0.2, 0.2, 0.0); + } +} + +static void +make_window(Display *x_dpy, const char *name, + int x, int y, int width, int height, + Window *winRet) +{ + static const EGLint attribs[] = { + EGL_RED_SIZE, 8, + EGL_GREEN_SIZE, 8, + EGL_BLUE_SIZE, 8, + EGL_ALPHA_SIZE, 8, + EGL_DEPTH_SIZE, 8, + EGL_NONE + }; + + int scrnum; + XSetWindowAttributes attr; + unsigned long mask; + Window root; + Window win; + XVisualInfo *visInfo, visTemplate; + int num_visuals; + EGLConfig config; + EGLint num_configs, vid; + + scrnum = DefaultScreen( x_dpy ); + root = RootWindow( x_dpy, scrnum ); + + if (!eglChooseConfig(dpy, attribs, &config, 1, &num_configs)) { + printf("Error: couldn't get an EGL visual config\n"); + exit(1); + } + + if (!eglGetConfigAttrib(dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) { + printf("Error: eglGetConfigAttrib() failed\n"); + exit(1); + } + + /* The X window visual must match the EGL config */ + visTemplate.visualid = vid; + visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals); + if (!visInfo) { + printf("Error: couldn't get X visual\n"); + exit(1); + } + + /* window attributes */ + attr.background_pixel = 0; + attr.border_pixel = 0; + attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone); + attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; + attr.override_redirect = 0; + mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect; + + win = XCreateWindow( x_dpy, root, 0, 0, width, height, + 0, visInfo->depth, InputOutput, + visInfo->visual, mask, &attr ); + + /* set hints and properties */ + { + XSizeHints sizehints; + sizehints.x = x; + sizehints.y = y; + sizehints.width = width; + sizehints.height = height; + sizehints.flags = USSize | USPosition; + XSetNormalHints(x_dpy, win, &sizehints); + XSetStandardProperties(x_dpy, win, name, name, + None, (char **)NULL, 0, &sizehints); + } + + eglBindAPI(EGL_OPENGL_API); + ctx_win = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL ); + if (!ctx_win) { + printf("Error: glXCreateContext failed\n"); + exit(1); + } + + surf_win = eglCreateWindowSurface(dpy, config, win, NULL); + + XFree(visInfo); + + *winRet = win; +} + +static void +use_window(void) +{ + static int initialized; + + eglMakeCurrent(dpy, surf_win, surf_win, ctx_win); + if (!initialized) { + initialized = 1; + glEnable(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, tex_pbuf); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } +} + +static void +draw_triangle(void) +{ + static const GLfloat verts[3][2] = { + { -3, -3 }, + { 3, -3 }, + { 0, 3 } + }; + GLfloat colors[3][3] = { + { 1, 0, 0 }, + { 0, 1, 0 }, + { 0, 0, 1 } + }; + GLint i; + + /* flow the color */ + for (i = 0; i < 3; i++) { + GLint first = (i + color_flow / 256) % 3; + GLint second = (first + 1) % 3; + GLint third = (second + 1) % 3; + GLfloat c = (color_flow % 256) / 256.0f; + + c = c * c * c; + colors[i][first] = 1.0f - c; + colors[i][second] = c; + colors[i][third] = 0.0f; + } + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + glVertexPointer(2, GL_FLOAT, 0, verts); + glColorPointer(3, GL_FLOAT, 0, colors); + glEnableClientState(GL_VERTEX_ARRAY); + glEnableClientState(GL_COLOR_ARRAY); + + glDrawArrays(GL_TRIANGLES, 0, 3); + + glDisableClientState(GL_VERTEX_ARRAY); + glDisableClientState(GL_COLOR_ARRAY); +} + +static void +draw_textured_cube(void) +{ + static const GLfloat verts[][2] = { + { -4, -4 }, + { 4, -4 }, + { 4, 4 }, + { -4, 4 } + }; + static const GLfloat colors[][4] = { + { 1, 1, 1, 0.5 }, + { 1, 1, 1, 0.5 }, + { 1, 1, 1, 0.5 }, + { 1, 1, 1, 0.5 } + }; + static const GLfloat texs[][2] = { + { 0, 0 }, + { 1, 0 }, + { 1, 1 }, + { 0, 1 } + }; + static const GLfloat xforms[6][4] = { + { 0, 0, 1, 0 }, + { 90, 0, 1, 0 }, + { 180, 0, 1, 0 }, + { 270, 0, 1, 0 }, + { 90, 1, 0, 0 }, + { -90, 1, 0, 0 } + }; + GLint i; + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + if (blend) { + glDisable(GL_DEPTH_TEST); + glEnable(GL_BLEND); + } else { + glEnable(GL_DEPTH_TEST); + glDisable(GL_BLEND); + } + + glVertexPointer(2, GL_FLOAT, 0, verts); + glColorPointer(4, GL_FLOAT, 0, colors); + glTexCoordPointer(2, GL_FLOAT, 0, texs); + + glEnableClientState(GL_VERTEX_ARRAY); + glEnableClientState(GL_COLOR_ARRAY); + glEnableClientState(GL_TEXTURE_COORD_ARRAY); + + for (i = 0; i < 6; i++) { + glPushMatrix(); + glRotatef(xforms[i][0], xforms[i][1], xforms[i][2], xforms[i][3]); + glTranslatef(0, 0, 4.1); + glDrawArrays(GL_TRIANGLE_FAN, 0, 4); + glPopMatrix(); + } + + glDisableClientState(GL_VERTEX_ARRAY); + glDisableClientState(GL_COLOR_ARRAY); + glDisableClientState(GL_TEXTURE_COORD_ARRAY); +} + +static void +draw(void) +{ + use_pbuffer(); + draw_triangle(); + + use_window(); + + eglBindTexImage(dpy, surf_pbuf, EGL_BACK_BUFFER); + + glPushMatrix(); + glRotatef(view_rotx, 1, 0, 0); + glRotatef(view_roty, 0, 1, 0); + glRotatef(view_rotz, 0, 0, 1); + + draw_textured_cube(); + + glPopMatrix(); + + eglReleaseTexImage(dpy, surf_pbuf, EGL_BACK_BUFFER); +} + +/* new window size or exposure */ +static void +reshape(int width, int height) +{ + GLfloat ar = (GLfloat) width / (GLfloat) height; + + use_window(); + + glViewport(0, 0, (GLint) width, (GLint) height); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-ar, ar, -1, 1, 5.0, 60.0); + + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(0.0, 0.0, -40.0); +} + +static void +event_loop(Display *x_dpy, Window win) +{ + while (1) { + int redraw = 1; + + if (XPending(x_dpy) > 0) { + XEvent event; + XNextEvent(x_dpy, &event); + + switch (event.type) { + case Expose: + redraw = 1; + break; + case ConfigureNotify: + reshape(event.xconfigure.width, event.xconfigure.height); + break; + case KeyPress: + { + char buffer[10]; + int r, code; + code = XLookupKeysym(&event.xkey, 0); + if (code == XK_Left) { + view_roty += 5.0; + } + else if (code == XK_Right) { + view_roty -= 5.0; + } + else if (code == XK_Up) { + view_rotx += 5.0; + } + else if (code == XK_Down) { + view_rotx -= 5.0; + } + else if (code == XK_b) { + blend = !blend; + } + else { + r = XLookupString(&event.xkey, buffer, sizeof(buffer), + NULL, NULL); + if (buffer[0] == 27) { + /* escape */ + return; + } + } + } + redraw = 1; + break; + default: + ; /*no-op*/ + } + } + + if (redraw) { + view_rotx += 1.0; + view_roty += 2.0; + view_rotz += 1.5; + color_flow += 20; + draw(); + eglSwapBuffers(dpy, surf_win); + } + } +} + +int +main(int argc, char *argv[]) +{ + const int winWidth = 300, winHeight = 300; + Display *x_dpy; + Window win; + char *dpyName = NULL; + EGLint egl_major, egl_minor; + const char *s; + + x_dpy = XOpenDisplay(dpyName); + if (!x_dpy) { + printf("Error: couldn't open display %s\n", + dpyName ? dpyName : getenv("DISPLAY")); + return -1; + } + + dpy = eglGetDisplay(x_dpy); + if (!dpy) { + printf("Error: eglGetDisplay() failed\n"); + return -1; + } + + if (!eglInitialize(dpy, &egl_major, &egl_minor)) { + printf("Error: eglInitialize() failed\n"); + return -1; + } + + s = eglQueryString(dpy, EGL_VERSION); + printf("EGL_VERSION = %s\n", s); + + make_window(x_dpy, "color flow", 0, 0, winWidth, winHeight, &win); + make_pbuffer(winWidth, winHeight); + + XMapWindow(x_dpy, win); + + reshape(winWidth, winHeight); + event_loop(x_dpy, win); + + glDeleteTextures(1, &tex_pbuf); + + eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + eglTerminate(dpy); + + XDestroyWindow(x_dpy, win); + XCloseDisplay(x_dpy); + + return 0; +} diff --git a/progs/glsl/.gitignore b/progs/glsl/.gitignore index 39d90c23ac5..986775bac22 100644 --- a/progs/glsl/.gitignore +++ b/progs/glsl/.gitignore @@ -22,6 +22,7 @@ samplers_array shaderutil.c shaderutil.h shadow_sampler +shtest skinning texaaline texdemo1 diff --git a/progs/glsl/Makefile b/progs/glsl/Makefile index eedd866c957..0875bdd7950 100644 --- a/progs/glsl/Makefile +++ b/progs/glsl/Makefile @@ -14,6 +14,11 @@ LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -l$(GLEW_LIB) -l$(GLU_LIB) -l$(GL_LIB) INCLUDE_DIRS = -I$(TOP)/progs/util +# using : to avoid APP_CC pointing to CC loop +CC:=$(APP_CC) +CFLAGS += -I$(INCDIR) +LDLIBS=$(LIBS) + DEMO_SOURCES = \ array.c \ bitmap.c \ @@ -33,6 +38,7 @@ DEMO_SOURCES = \ points.c \ samplers.c \ shadow_sampler.c \ + shtest.c \ skinning.c \ texaaline.c \ texdemo1.c \ @@ -52,28 +58,16 @@ UTIL_SOURCES = \ readtex.c UTIL_OBJS = $(UTIL_SOURCES:.c=.o) - - +PROG_OBJS = $(DEMO_SOURCES:.c=.o) PROGS = $(DEMO_SOURCES:%.c=%) - - -##### RULES ##### - -# make .o file from .c file: -.c.o: - $(APP_CC) -c -I$(INCDIR) $(CFLAGS) $< -o $@ - - -# make executable from .o files -.o: - $(APP_CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(UTIL_OBJS) $(LIBS) -o $@ - - ##### TARGETS ##### default: $(PROGS) +$(PROG_OBJS): $(UTIL_HEADERS) + +$(PROGS): $(UTIL_OBJS) clean: -rm -f $(PROGS) @@ -83,7 +77,6 @@ clean: -rm -f readtex.* - ##### Extra dependencies extfuncs.h: $(TOP)/progs/util/extfuncs.h @@ -101,138 +94,3 @@ shaderutil.c: $(TOP)/progs/util/shaderutil.c shaderutil.h: $(TOP)/progs/util/shaderutil.h cp $< . - - -array.o: $(UTIL_HEADERS) - -array: array.o $(UTIL_OBJS) - - -bitmap.o: $(UTIL_HEADERS) - -bitmap: bitmap.o $(UTIL_OBJS) - - -brick.o: $(UTIL_HEADERS) - -brick: brick.o $(UTIL_OBJS) - - -bump.o: $(UTIL_HEADERS) - -bump: bump.o $(UTIL_OBJS) - - -convolutions.o: $(UTIL_HEADERS) - -convolutions: convolutions.o $(UTIL_OBJS) - - -deriv.o: deriv.c $(UTIL_HEADERS) - -deriv: deriv.o $(UTIL_OBJS) - - -identity.o: $(UTIL_HEADERS) - -identity: identity.o $(UTIL_OBJS) - - -fragcoord.o: $(UTIL_HEADERS) - -fragcoord: fragcoord.o $(UTIL_OBJS) - - -linktest.o: $(UTIL_HEADERS) - -linktest: linktest.o $(UTIL_OBJS) - - -mandelbrot.o: $(UTIL_HEADERS) - -mandelbrot: mandelbrot.o $(UTIL_OBJS) - - -multinoise.o: $(UTIL_HEADERS) - -multinoise: multinoise.o $(UTIL_OBJS) - - -multitex.o: $(UTIL_HEADERS) - -multitex: multitex.o $(UTIL_OBJS) - - -noise.o: $(UTIL_HEADERS) - -noise: noise.o $(UTIL_OBJS) - - -noise2.o: $(UTIL_HEADERS) - -noise2: noise2.o $(UTIL_OBJS) - - -points.o: $(UTIL_HEADERS) - -points: points.o $(UTIL_OBJS) - - -pointcoord.o: $(UTIL_HEADERS) - -pointcoord: pointcoord.o $(UTIL_OBJS) - - -samplers.o: $(UTIL_HEADERS) - -samplers: samplers.o $(UTIL_OBJS) - - -samplers_array.o: $(UTIL_HEADERS) - -samplers_array: samplers_array.o $(UTIL_OBJS) - - -shadow_sampler.o: $(UTIL_HEADERS) - -shadow_sampler: shadow_sampler.o $(UTIL_OBJS) - - -skinning.o: $(UTIL_HEADERS) - -skinning: skinning.o $(UTIL_OBJS) - - -texaaline.o: $(UTIL_HEADERS) - -texaaline: texaaline.o $(UTIL_OBJS) - - -texdemo1.o: $(UTIL_HEADERS) - -texdemo1: texdemo1.o $(UTIL_OBJS) - - -toyball.o: $(UTIL_HEADERS) - -toyball: toyball.o $(UTIL_OBJS) - - -twoside.o: $(UTIL_HEADERS) - -twoside: twoside.o $(UTIL_OBJS) - - -trirast.o: $(UTIL_HEADERS) - -trirast: trirast.o $(UTIL_OBJS) - - -vert-or-frag-only.o: $(UTIL_HEADERS) - -vert-or-frag-only: vert-or-frag-only.o $(UTIL_OBJS) - - -vert-tex.o: $(UTIL_HEADERS) - -vert-tex: vert-tex.o $(UTIL_OBJS) diff --git a/progs/glsl/brick.c b/progs/glsl/brick.c index 1d08b231e7e..20417aa4626 100644 --- a/progs/glsl/brick.c +++ b/progs/glsl/brick.c @@ -24,12 +24,12 @@ static GLuint program; static struct uniform_info Uniforms[] = { /* vert */ - { "LightPosition", 3, GL_FLOAT, { 0.1, 0.1, 9.0, 0}, -1 }, + { "LightPosition", 1, GL_FLOAT_VEC3, { 0.1, 0.1, 9.0, 0}, -1 }, /* frag */ - { "BrickColor", 3, GL_FLOAT, { 0.8, 0.2, 0.2, 0 }, -1 }, - { "MortarColor", 3, GL_FLOAT, { 0.6, 0.6, 0.6, 0 }, -1 }, - { "BrickSize", 2, GL_FLOAT, { 1.0, 0.3, 0, 0 }, -1 }, - { "BrickPct", 2, GL_FLOAT, { 0.9, 0.8, 0, 0 }, -1 }, + { "BrickColor", 1, GL_FLOAT_VEC3, { 0.8, 0.2, 0.2, 0 }, -1 }, + { "MortarColor", 1, GL_FLOAT_VEC3, { 0.6, 0.6, 0.6, 0 }, -1 }, + { "BrickSize", 1, GL_FLOAT_VEC2, { 1.0, 0.3, 0, 0 }, -1 }, + { "BrickPct", 1, GL_FLOAT_VEC2, { 0.9, 0.8, 0, 0 }, -1 }, END_OF_UNIFORMS }; @@ -148,7 +148,8 @@ Init(void) glUseProgram(program); - InitUniforms(program, Uniforms); + SetUniformValues(program, Uniforms); + PrintUniforms(Uniforms); assert(glGetError() == 0); @@ -183,7 +184,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(400, 400); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/brick.shtest b/progs/glsl/brick.shtest new file mode 100644 index 00000000000..8a2152692eb --- /dev/null +++ b/progs/glsl/brick.shtest @@ -0,0 +1,8 @@ +vs CH06-brick.vert +fs CH06-brick.frag +uniform LightPosition GL_FLOAT_VEC3 0.1 0.1 9.0 +uniform BrickColor GL_FLOAT_VEC3 0.8 0.2 0.2 +uniform MortarColor GL_FLOAT_VEC3 0.6 0.6 0.6 +uniform BrickSize GL_FLOAT_VEC2 1.0 0.3 +uniform BrickPct GL_FLOAT_VEC2 0.9 0.8 + diff --git a/progs/glsl/bump.c b/progs/glsl/bump.c index ddb986abcb5..87669aec736 100644 --- a/progs/glsl/bump.c +++ b/progs/glsl/bump.c @@ -24,11 +24,11 @@ static GLuint program; static struct uniform_info Uniforms[] = { - { "LightPosition", 3, GL_FLOAT, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 }, - { "SurfaceColor", 3, GL_FLOAT, { 0.8, 0.8, 0.2, 0 }, -1 }, - { "BumpDensity", 1, GL_FLOAT, { 10.0, 0, 0, 0 }, -1 }, - { "BumpSize", 1, GL_FLOAT, { 0.125, 0, 0, 0 }, -1 }, - { "SpecularFactor", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 }, + { "LightPosition", 1, GL_FLOAT_VEC3, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 }, + { "SurfaceColor", 1, GL_FLOAT_VEC3, { 0.8, 0.8, 0.2, 0 }, -1 }, + { "BumpDensity", 1, GL_FLOAT, { 10.0, 0, 0, 0 }, -1 }, + { "BumpSize", 1, GL_FLOAT, { 0.125, 0, 0, 0 }, -1 }, + { "SpecularFactor", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 }, END_OF_UNIFORMS }; @@ -242,7 +242,8 @@ Init(void) CheckError(__LINE__); - InitUniforms(program, Uniforms); + SetUniformValues(program, Uniforms); + PrintUniforms(Uniforms); CheckError(__LINE__); @@ -280,7 +281,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(400, 400); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/convolutions.c b/progs/glsl/convolutions.c index 22ce7edcdc5..c2fb76e1aa5 100644 --- a/progs/glsl/convolutions.c +++ b/progs/glsl/convolutions.c @@ -448,7 +448,6 @@ int main(int argc, char **argv) { glutInit(&argc, argv); - glutInitWindowPosition(0, 0); glutInitWindowSize(400, 400); glutInitDisplayMode(GLUT_RGB | GLUT_ALPHA | GLUT_DOUBLE); diff --git a/progs/glsl/deriv.c b/progs/glsl/deriv.c index 9cf1e40e3e6..265a5157154 100644 --- a/progs/glsl/deriv.c +++ b/progs/glsl/deriv.c @@ -220,7 +220,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(200, 200); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/fragcoord.c b/progs/glsl/fragcoord.c index 9f56a038c96..3dfcec87a56 100644 --- a/progs/glsl/fragcoord.c +++ b/progs/glsl/fragcoord.c @@ -166,7 +166,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(WinWidth, WinHeight); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/identity.c b/progs/glsl/identity.c index a772ccd716c..526e9b82c10 100644 --- a/progs/glsl/identity.c +++ b/progs/glsl/identity.c @@ -187,7 +187,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(200, 200); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/mandelbrot.c b/progs/glsl/mandelbrot.c index 38dffc3e741..b05ef37fae1 100644 --- a/progs/glsl/mandelbrot.c +++ b/progs/glsl/mandelbrot.c @@ -25,7 +25,7 @@ static GLuint program; static struct uniform_info Uniforms[] = { /* vert */ - { "LightPosition", 3, GL_FLOAT, { 0.1, 0.1, 9.0, 0}, -1 }, + { "LightPosition", 1, GL_FLOAT_VEC3, { 0.1, 0.1, 9.0, 0}, -1 }, { "SpecularContribution", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 }, { "DiffuseContribution", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 }, { "Shininess", 1, GL_FLOAT, { 20.0, 0, 0, 0 }, -1 }, @@ -34,9 +34,9 @@ static struct uniform_info Uniforms[] = { { "Zoom", 1, GL_FLOAT, { 0.125, 0, 0, 0 }, -1 }, { "Xcenter", 1, GL_FLOAT, { -1.5, 0, 0, 0 }, -1 }, { "Ycenter", 1, GL_FLOAT, { .005, 0, 0, 0 }, -1 }, - { "InnerColor", 3, GL_FLOAT, { 1, 0, 0, 0 }, -1 }, - { "OuterColor1", 3, GL_FLOAT, { 0, 1, 0, 0 }, -1 }, - { "OuterColor2", 3, GL_FLOAT, { 0, 0, 1, 0 }, -1 }, + { "InnerColor", 1, GL_FLOAT_VEC3, { 1, 0, 0, 0 }, -1 }, + { "OuterColor1", 1, GL_FLOAT_VEC3, { 0, 1, 0, 0 }, -1 }, + { "OuterColor2", 1, GL_FLOAT_VEC3, { 0, 0, 1, 0 }, -1 }, END_OF_UNIFORMS }; @@ -159,7 +159,8 @@ Init(void) glUseProgram(program); - InitUniforms(program, Uniforms); + SetUniformValues(program, Uniforms); + PrintUniforms(Uniforms); uZoom = glGetUniformLocation(program, "Zoom"); uXcenter = glGetUniformLocation(program, "Xcenter"); @@ -198,7 +199,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(400, 400); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/mandelbrot.shtest b/progs/glsl/mandelbrot.shtest new file mode 100644 index 00000000000..4f4e5c747ea --- /dev/null +++ b/progs/glsl/mandelbrot.shtest @@ -0,0 +1,13 @@ +vs CH18-mandel.vert +fs CH18-mandel.frag +uniform LightPosition GL_FLOAT_VEC3 0.1 0.1 9.0 +uniform SpecularContribution GL_FLOAT 0.5 +uniform DiffuseContribution GL_FLOAT 0.5 +uniform Shininess GL_FLOAT 20.0 +uniform Iterations GL_FLOAT 12 +uniform Zoom GL_FLOAT 0.125 +uniform Xcenter GL_FLOAT -1.5 +uniform Ycenter GL_FLOAT .005 +uniform InnerColor GL_FLOAT_VEC3 1 0 0 +uniform OuterColor1 GL_FLOAT_VEC3 0 1 0 +uniform OuterColor2 GL_FLOAT_VEC3 0 0 1 diff --git a/progs/glsl/multinoise.c b/progs/glsl/multinoise.c index 0afe2308012..0d4026e29cf 100644 --- a/progs/glsl/multinoise.c +++ b/progs/glsl/multinoise.c @@ -262,7 +262,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(400, 400); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/multitex.c b/progs/glsl/multitex.c index 5e971716add..6ec9c833e67 100644 --- a/progs/glsl/multitex.c +++ b/progs/glsl/multitex.c @@ -59,8 +59,8 @@ static GLint VertCoord_attr = -1, TexCoord0_attr = -1, TexCoord1_attr = -1; /* value[0] = tex unit */ static struct uniform_info Uniforms[] = { - { "tex1", 1, GL_INT, { 0, 0, 0, 0 }, -1 }, - { "tex2", 1, GL_INT, { 1, 0, 0, 0 }, -1 }, + { "tex1", 1, GL_SAMPLER_2D, { 0, 0, 0, 0 }, -1 }, + { "tex2", 1, GL_SAMPLER_2D, { 1, 0, 0, 0 }, -1 }, END_OF_UNIFORMS }; @@ -134,7 +134,7 @@ DrawPolygonArray(void) if (VertCoord_attr >= 0) { glVertexAttribPointer(VertCoord_attr, 2, GL_FLOAT, GL_FALSE, - 0, VertCoords); + 0, vertPtr); glEnableVertexAttribArray(VertCoord_attr); } else { @@ -143,11 +143,11 @@ DrawPolygonArray(void) } glVertexAttribPointer(TexCoord0_attr, 2, GL_FLOAT, GL_FALSE, - 0, Tex0Coords); + 0, tex0Ptr); glEnableVertexAttribArray(TexCoord0_attr); glVertexAttribPointer(TexCoord1_attr, 2, GL_FLOAT, GL_FALSE, - 0, Tex1Coords); + 0, tex1Ptr); glEnableVertexAttribArray(TexCoord1_attr); glDrawArrays(GL_TRIANGLE_FAN, 0, 4); @@ -328,7 +328,8 @@ CreateProgram(const char *vertProgFile, const char *fragProgFile, glUseProgram(program); - InitUniforms(program, uniforms); + SetUniformValues(program, uniforms); + PrintUniforms(Uniforms); VertCoord_attr = glGetAttribLocation(program, "VertCoord"); if (VertCoord_attr > 0) { diff --git a/progs/glsl/multitex.shtest b/progs/glsl/multitex.shtest new file mode 100644 index 00000000000..5be45f6c7cb --- /dev/null +++ b/progs/glsl/multitex.shtest @@ -0,0 +1,6 @@ +vs multitex.vert +fs multitex.frag +texture 0 ../images/tile.rgb +texture 1 ../images/tree2.rgba +uniform tex1 GL_SAMPLER_2D 0 +uniform tex2 GL_SAMPLER_2D 1 diff --git a/progs/glsl/noise.c b/progs/glsl/noise.c index 59f594e78bf..fdab263ea6a 100644 --- a/progs/glsl/noise.c +++ b/progs/glsl/noise.c @@ -35,8 +35,8 @@ static const char *FragShaderText = static struct uniform_info Uniforms[] = { - { "Scale", 4, GL_FLOAT, { 0.5, 0.4, 0.0, 0}, -1 }, - { "Bias", 4, GL_FLOAT, { 0.5, 0.3, 0.0, 0}, -1 }, + { "Scale", 1, GL_FLOAT_VEC4, { 0.5, 0.4, 0.0, 0}, -1 }, + { "Bias", 1, GL_FLOAT_VEC4, { 0.5, 0.3, 0.0, 0}, -1 }, { "Slice", 1, GL_FLOAT, { 0.5, 0, 0, 0}, -1 }, END_OF_UNIFORMS }; @@ -179,7 +179,8 @@ Init(void) glUseProgram(program); - InitUniforms(program, Uniforms); + SetUniformValues(program, Uniforms); + PrintUniforms(Uniforms); assert(glGetError() == 0); @@ -199,7 +200,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(400, 400); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/noise2.c b/progs/glsl/noise2.c index e972b62673f..7a28f09947c 100644 --- a/progs/glsl/noise2.c +++ b/progs/glsl/noise2.c @@ -186,7 +186,6 @@ static void Init (void) int main (int argc, char *argv[]) { glutInit (&argc, argv); - glutInitWindowPosition ( 0, 0); glutInitWindowSize (200, 200); glutInitDisplayMode (GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); glutCreateWindow (argv[0]); diff --git a/progs/glsl/pointcoord.c b/progs/glsl/pointcoord.c index 27b73a05dee..5dced6fac3a 100644 --- a/progs/glsl/pointcoord.c +++ b/progs/glsl/pointcoord.c @@ -187,7 +187,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(WinWidth, WinHeight); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/shadow_sampler.c b/progs/glsl/shadow_sampler.c index 0a4d04dd8cf..0adc9d88ba4 100644 --- a/progs/glsl/shadow_sampler.c +++ b/progs/glsl/shadow_sampler.c @@ -321,7 +321,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(400, 300); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/shtest.c b/progs/glsl/shtest.c new file mode 100644 index 00000000000..2622af13138 --- /dev/null +++ b/progs/glsl/shtest.c @@ -0,0 +1,629 @@ +/* + * Simple shader test harness. + * Brian Paul + * 13 Aug 2009 + * + * Usage: + * shtest --vs vertShaderFile --fs fragShaderFile + * + * In this case the given vertex/frag shaders are read and compiled. + * Random values are assigned to the uniforms. + * + * or: + * shtest configFile + * + * In this case a config file is read that specifies the file names + * of the shaders plus initial values for uniforms. + * + * Example config file: + * + * vs shader.vert + * fs shader.frag + * uniform pi 3.14159 + * uniform v1 1.0 0.5 0.2 0.3 + * + */ + + +#include <assert.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <math.h> +#include <GL/glew.h> +#include <GL/glu.h> +#include <GL/glut.h> +#include "shaderutil.h" +#include "readtex.h" + + +typedef enum +{ + SPHERE, + CUBE, + NUM_SHAPES +} shape; + + +static char *FragShaderFile = NULL; +static char *VertShaderFile = NULL; +static char *ConfigFile = NULL; + +/* program/shader objects */ +static GLuint fragShader; +static GLuint vertShader; +static GLuint Program; + + +#define MAX_UNIFORMS 100 +static struct uniform_info Uniforms[MAX_UNIFORMS]; +static GLuint NumUniforms = 0; + + +#define MAX_ATTRIBS 100 +static struct attrib_info Attribs[MAX_ATTRIBS]; +static GLuint NumAttribs = 0; + + +/** + * Config file info. + */ +struct config_file +{ + struct name_value + { + char name[100]; + float value[4]; + int type; + } uniforms[100]; + + int num_uniforms; +}; + + +static GLint win = 0; +static GLboolean Anim = GL_FALSE; +static GLfloat TexRot = 0.0; +static GLfloat xRot = 0.0f, yRot = 0.0f, zRot = 0.0f; +static shape Object = SPHERE; + + +static float +RandomFloat(float min, float max) +{ + int k = rand() % 10000; + float x = min + (max - min) * k / 10000.0; + return x; +} + + +/** Set new random values for uniforms */ +static void +RandomUniformValues(void) +{ + GLuint i; + for (i = 0; i < NumUniforms; i++) { + if (Uniforms[i].type == GL_FLOAT) { + Uniforms[i].value[0] = RandomFloat(0.0, 1.0); + } + else { + Uniforms[i].value[0] = RandomFloat(-1.0, 2.0); + Uniforms[i].value[1] = RandomFloat(-1.0, 2.0); + Uniforms[i].value[2] = RandomFloat(-1.0, 2.0); + Uniforms[i].value[3] = RandomFloat(-1.0, 2.0); + } + } +} + + +static void +Idle(void) +{ + yRot += 2.0; + if (yRot > 360.0) + yRot -= 360.0; + glutPostRedisplay(); +} + + + +static void +SquareVertex(GLfloat s, GLfloat t, GLfloat size) +{ + GLfloat x = -size + s * 2.0 * size; + GLfloat y = -size + t * 2.0 * size; + GLuint i; + + glMultiTexCoord2f(GL_TEXTURE0, s, t); + glMultiTexCoord2f(GL_TEXTURE1, s, t); + glMultiTexCoord2f(GL_TEXTURE2, s, t); + glMultiTexCoord2f(GL_TEXTURE3, s, t); + + /* assign (s,t) to the generic attributes */ + for (i = 0; i < NumAttribs; i++) { + if (Attribs[i].location >= 0) { + glVertexAttrib2f(Attribs[i].location, s, t); + } + } + + glVertex2f(x, y); +} + + +/* + * Draw a square, specifying normal and tangent vectors. + */ +static void +Square(GLfloat size) +{ + GLint tangentAttrib = 1; + glNormal3f(0, 0, 1); + glVertexAttrib3f(tangentAttrib, 1, 0, 0); + glBegin(GL_POLYGON); +#if 1 + SquareVertex(0, 0, size); + SquareVertex(1, 0, size); + SquareVertex(1, 1, size); + SquareVertex(0, 1, size); +#else + glTexCoord2f(0, 0); glVertex2f(-size, -size); + glTexCoord2f(1, 0); glVertex2f( size, -size); + glTexCoord2f(1, 1); glVertex2f( size, size); + glTexCoord2f(0, 1); glVertex2f(-size, size); +#endif + glEnd(); +} + + +static void +Cube(GLfloat size) +{ + /* +X */ + glPushMatrix(); + glRotatef(90, 0, 1, 0); + glTranslatef(0, 0, size); + Square(size); + glPopMatrix(); + + /* -X */ + glPushMatrix(); + glRotatef(-90, 0, 1, 0); + glTranslatef(0, 0, size); + Square(size); + glPopMatrix(); + + /* +Y */ + glPushMatrix(); + glRotatef(90, 1, 0, 0); + glTranslatef(0, 0, size); + Square(size); + glPopMatrix(); + + /* -Y */ + glPushMatrix(); + glRotatef(-90, 1, 0, 0); + glTranslatef(0, 0, size); + Square(size); + glPopMatrix(); + + + /* +Z */ + glPushMatrix(); + glTranslatef(0, 0, size); + Square(size); + glPopMatrix(); + + /* -Z */ + glPushMatrix(); + glRotatef(180, 0, 1, 0); + glTranslatef(0, 0, size); + Square(size); + glPopMatrix(); +} + + +static void +Sphere(GLfloat radius, GLint slices, GLint stacks) +{ + static GLUquadricObj *q = NULL; + + if (!q) { + q = gluNewQuadric(); + gluQuadricDrawStyle(q, GLU_FILL); + gluQuadricNormals(q, GLU_SMOOTH); + gluQuadricTexture(q, GL_TRUE); + } + + gluSphere(q, radius, slices, stacks); +} + + +static void +Redisplay(void) +{ + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + glPushMatrix(); + glRotatef(xRot, 1.0f, 0.0f, 0.0f); + glRotatef(yRot, 0.0f, 1.0f, 0.0f); + glRotatef(zRot, 0.0f, 0.0f, 1.0f); + + glMatrixMode(GL_TEXTURE); + glLoadIdentity(); + glRotatef(TexRot, 0.0f, 1.0f, 0.0f); + glMatrixMode(GL_MODELVIEW); + + if (Object == SPHERE) { + Sphere(2.0, 20, 10); + } + else if (Object == CUBE) { + Cube(2.0); + } + + glPopMatrix(); + + glutSwapBuffers(); +} + + +static void +Reshape(int width, int height) +{ + glViewport(0, 0, width, height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(0.0f, 0.0f, -15.0f); +} + + +static void +CleanUp(void) +{ + glDeleteShader(fragShader); + glDeleteShader(vertShader); + glDeleteProgram(Program); + glutDestroyWindow(win); +} + + +static void +Key(unsigned char key, int x, int y) +{ + const GLfloat step = 2.0; + (void) x; + (void) y; + + switch(key) { + case 'a': + Anim = !Anim; + if (Anim) + glutIdleFunc(Idle); + else + glutIdleFunc(NULL); + break; + case 'z': + zRot += step; + break; + case 'Z': + zRot -= step; + break; + case 'o': + Object = (Object + 1) % NUM_SHAPES; + break; + case 'r': + RandomUniformValues(); + SetUniformValues(Program, Uniforms); + PrintUniforms(Uniforms); + break; + case 27: + CleanUp(); + exit(0); + break; + } + glutPostRedisplay(); +} + + +static void +SpecialKey(int key, int x, int y) +{ + const GLfloat step = 2.0; + + (void) x; + (void) y; + + switch(key) { + case GLUT_KEY_UP: + xRot += step; + break; + case GLUT_KEY_DOWN: + xRot -= step; + break; + case GLUT_KEY_LEFT: + yRot -= step; + break; + case GLUT_KEY_RIGHT: + yRot += step; + break; + } + glutPostRedisplay(); +} + + +static void +InitUniforms(const struct config_file *conf, + struct uniform_info uniforms[]) +{ + int i; + + for (i = 0; i < conf->num_uniforms; i++) { + int j; + for (j = 0; uniforms[j].name; j++) { + if (strcmp(uniforms[j].name, conf->uniforms[i].name) == 0) { + uniforms[j].type = conf->uniforms[i].type; + uniforms[j].value[0] = conf->uniforms[i].value[0]; + uniforms[j].value[1] = conf->uniforms[i].value[1]; + uniforms[j].value[2] = conf->uniforms[i].value[2]; + uniforms[j].value[3] = conf->uniforms[i].value[3]; + } + } + } +} + + +static void +LoadTexture(GLint unit, const char *texFileName) +{ + GLint imgWidth, imgHeight; + GLenum imgFormat; + GLubyte *image = NULL; + GLuint tex; + GLenum filter = GL_LINEAR; + + image = LoadRGBImage(texFileName, &imgWidth, &imgHeight, &imgFormat); + if (!image) { + printf("Couldn't read %s\n", texFileName); + exit(1); + } + + printf("Load Texture: unit %d: %s %d x %d\n", + unit, texFileName, imgWidth, imgHeight); + + glActiveTexture(GL_TEXTURE0 + unit); + glGenTextures(1, &tex); + glBindTexture(GL_TEXTURE_2D, tex); + + gluBuild2DMipmaps(GL_TEXTURE_2D, 4, imgWidth, imgHeight, + imgFormat, GL_UNSIGNED_BYTE, image); + free(image); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter); +} + + +static GLenum +TypeFromName(const char *n) +{ + static const struct { + const char *name; + GLenum type; + } types[] = { + { "GL_FLOAT", GL_FLOAT }, + { "GL_FLOAT_VEC2", GL_FLOAT_VEC2 }, + { "GL_FLOAT_VEC3", GL_FLOAT_VEC3 }, + { "GL_FLOAT_VEC4", GL_FLOAT_VEC4 }, + { "GL_INT", GL_INT }, + { "GL_INT_VEC2", GL_INT_VEC2 }, + { "GL_INT_VEC3", GL_INT_VEC3 }, + { "GL_INT_VEC4", GL_INT_VEC4 }, + { "GL_SAMPLER_2D", GL_SAMPLER_2D }, + { NULL, 0 } + }; + GLuint i; + + for (i = 0; types[i].name; i++) { + if (strcmp(types[i].name, n) == 0) + return types[i].type; + } + abort(); + return GL_NONE; +} + + + +/** + * Read a config file. + */ +static void +ReadConfigFile(const char *filename, struct config_file *conf) +{ + char line[1000]; + FILE *f; + + f = fopen(filename, "r"); + if (!f) { + fprintf(stderr, "Unable to open config file %s\n", filename); + exit(1); + } + + conf->num_uniforms = 0; + + /* ugly but functional parser */ + while (!feof(f)) { + fgets(line, sizeof(line), f); + if (!feof(f) && line[0]) { + if (strncmp(line, "vs ", 3) == 0) { + VertShaderFile = strdup(line + 3); + VertShaderFile[strlen(VertShaderFile) - 1] = 0; + } + else if (strncmp(line, "fs ", 3) == 0) { + FragShaderFile = strdup(line + 3); + FragShaderFile[strlen(FragShaderFile) - 1] = 0; + } + else if (strncmp(line, "texture ", 8) == 0) { + char texFileName[100]; + int unit, k; + k = sscanf(line + 8, "%d %s", &unit, texFileName); + assert(k == 2); + LoadTexture(unit, texFileName); + } + else if (strncmp(line, "uniform ", 8) == 0) { + char name[1000], typeName[100]; + int k; + float v1 = 0.0F, v2 = 0.0F, v3 = 0.0F, v4 = 0.0F; + GLenum type; + + k = sscanf(line + 8, "%s %s %f %f %f %f", name, typeName, + &v1, &v2, &v3, &v4); + + type = TypeFromName(typeName); + + strcpy(conf->uniforms[conf->num_uniforms].name, name); + conf->uniforms[conf->num_uniforms].value[0] = v1; + conf->uniforms[conf->num_uniforms].value[1] = v2; + conf->uniforms[conf->num_uniforms].value[2] = v3; + conf->uniforms[conf->num_uniforms].value[3] = v4; + conf->uniforms[conf->num_uniforms].type = type; + conf->num_uniforms++; + } + else { + if (strlen(line) > 1) { + fprintf(stderr, "syntax error in: %s\n", line); + break; + } + } + } + } + + fclose(f); +} + + +static void +Init(void) +{ + struct config_file config; + memset(&config, 0, sizeof(config)); + + if (ConfigFile) + ReadConfigFile(ConfigFile, &config); + + if (!VertShaderFile) { + fprintf(stderr, "Error: no vertex shader\n"); + exit(1); + } + + if (!FragShaderFile) { + fprintf(stderr, "Error: no fragment shader\n"); + exit(1); + } + + if (!ShadersSupported()) + exit(1); + + vertShader = CompileShaderFile(GL_VERTEX_SHADER, VertShaderFile); + fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragShaderFile); + Program = LinkShaders(vertShader, fragShader); + + glUseProgram(Program); + + NumUniforms = GetUniforms(Program, Uniforms); + if (config.num_uniforms) { + InitUniforms(&config, Uniforms); + } + else { + RandomUniformValues(); + } + SetUniformValues(Program, Uniforms); + PrintUniforms(Uniforms); + + NumAttribs = GetAttribs(Program, Attribs); + PrintAttribs(Attribs); + + //assert(glGetError() == 0); + + glClearColor(0.4f, 0.4f, 0.8f, 0.0f); + + glEnable(GL_DEPTH_TEST); + + glColor3f(1, 0, 0); +} + + +static void +Keys(void) +{ + printf("Keyboard:\n"); + printf(" a Animation toggle\n"); + printf(" r Randomize uniform values\n"); + printf(" o Change object\n"); + printf(" arrows Rotate object\n"); + printf(" ESC Exit\n"); +} + + +static void +Usage(void) +{ + printf("Usage:\n"); + printf(" shtest config.shtest\n"); + printf(" Run w/ given config file.\n"); + printf(" shtest --vs vertShader --fs fragShader\n"); + printf(" Load/compile given shaders.\n"); +} + + +static void +ParseOptions(int argc, char *argv[]) +{ + int i; + + if (argc == 1) { + Usage(); + exit(1); + } + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "--fs") == 0) { + FragShaderFile = argv[i+1]; + i++; + } + else if (strcmp(argv[i], "--vs") == 0) { + VertShaderFile = argv[i+1]; + i++; + } + else { + /* assume the arg is a config file */ + ConfigFile = argv[i]; + break; + } + } +} + + +int +main(int argc, char *argv[]) +{ + glutInit(&argc, argv); + glutInitWindowSize(400, 400); + glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); + win = glutCreateWindow(argv[0]); + glewInit(); + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutSpecialFunc(SpecialKey); + glutDisplayFunc(Redisplay); + ParseOptions(argc, argv); + Init(); + Keys(); + glutMainLoop(); + return 0; +} + diff --git a/progs/glsl/texaaline.c b/progs/glsl/texaaline.c index 1f566c86a6a..2481c0f36e0 100644 --- a/progs/glsl/texaaline.c +++ b/progs/glsl/texaaline.c @@ -351,7 +351,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(WinWidth, WinHeight); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/texdemo1.c b/progs/glsl/texdemo1.c index d55f9e7dd97..5b1913a722b 100644 --- a/progs/glsl/texdemo1.c +++ b/progs/glsl/texdemo1.c @@ -53,14 +53,14 @@ static int win = 0; static struct uniform_info ReflectUniforms[] = { - { "cubeTex", 1, GL_INT, { 0, 0, 0, 0 }, -1 }, - { "lightPos", 3, GL_FLOAT, { 10, 10, 20, 0 }, -1 }, + { "cubeTex", 1, GL_SAMPLER_CUBE, { 0, 0, 0, 0 }, -1 }, + { "lightPos", 1, GL_FLOAT_VEC3, { 10, 10, 20, 0 }, -1 }, END_OF_UNIFORMS }; static struct uniform_info SimpleUniforms[] = { - { "tex2d", 1, GL_INT, { 1, 0, 0, 0 }, -1 }, - { "lightPos", 3, GL_FLOAT, { 10, 10, 20, 0 }, -1 }, + { "tex2d", 1, GL_SAMPLER_2D, { 1, 0, 0, 0 }, -1 }, + { "lightPos", 1, GL_FLOAT_VEC3, { 10, 10, 20, 0 }, -1 }, END_OF_UNIFORMS }; @@ -382,7 +382,8 @@ CreateProgram(const char *vertProgFile, const char *fragProgFile, glUseProgram(program); - InitUniforms(program, uniforms); + SetUniformValues(program, uniforms); + PrintUniforms(uniforms); return program; } diff --git a/progs/glsl/toyball.c b/progs/glsl/toyball.c index 7fe27aebfe6..c502f24077e 100644 --- a/progs/glsl/toyball.c +++ b/progs/glsl/toyball.c @@ -24,18 +24,18 @@ static GLuint program; static struct uniform_info Uniforms[] = { - { "LightDir", 4, GL_FLOAT, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 }, - { "HVector", 4, GL_FLOAT, { 0.32506, 0.32506, 0.88808, 0.0 }, -1 }, - { "BallCenter", 4, GL_FLOAT, { 0.0, 0.0, 0.0, 1.0 }, -1 }, - { "SpecularColor", 4, GL_FLOAT, { 0.4, 0.4, 0.4, 60.0 }, -1 }, - { "Red", 4, GL_FLOAT, { 0.6, 0.0, 0.0, 1.0 }, -1 }, - { "Blue", 4, GL_FLOAT, { 0.0, 0.3, 0.6, 1.0 }, -1 }, - { "Yellow", 4, GL_FLOAT, { 0.6, 0.5, 0.0, 1.0 }, -1 }, - { "HalfSpace0", 4, GL_FLOAT, { 1.0, 0.0, 0.0, 0.2 }, -1 }, - { "HalfSpace1", 4, GL_FLOAT, { 0.309016994, 0.951056516, 0.0, 0.2 }, -1 }, - { "HalfSpace2", 4, GL_FLOAT, { -0.809016994, 0.587785252, 0.0, 0.2 }, -1 }, - { "HalfSpace3", 4, GL_FLOAT, { -0.809016994, -0.587785252, 0.0, 0.2 }, -1 }, - { "HalfSpace4", 4, GL_FLOAT, { 0.309116994, -0.951056516, 0.0, 0.2 }, -1 }, + { "LightDir", 1, GL_FLOAT_VEC4, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 }, + { "HVector", 1, GL_FLOAT_VEC4, { 0.32506, 0.32506, 0.88808, 0.0 }, -1 }, + { "BallCenter", 1, GL_FLOAT_VEC4, { 0.0, 0.0, 0.0, 1.0 }, -1 }, + { "SpecularColor", 1, GL_FLOAT_VEC4, { 0.4, 0.4, 0.4, 60.0 }, -1 }, + { "Red", 1, GL_FLOAT_VEC4, { 0.6, 0.0, 0.0, 1.0 }, -1 }, + { "Blue", 1, GL_FLOAT_VEC4, { 0.0, 0.3, 0.6, 1.0 }, -1 }, + { "Yellow", 1, GL_FLOAT_VEC4, { 0.6, 0.5, 0.0, 1.0 }, -1 }, + { "HalfSpace0", 1, GL_FLOAT_VEC4, { 1.0, 0.0, 0.0, 0.2 }, -1 }, + { "HalfSpace1", 1, GL_FLOAT_VEC4, { 0.309016994, 0.951056516, 0.0, 0.2 }, -1 }, + { "HalfSpace2", 1, GL_FLOAT_VEC4, { -0.809016994, 0.587785252, 0.0, 0.2 }, -1 }, + { "HalfSpace3", 1, GL_FLOAT_VEC4, { -0.809016994, -0.587785252, 0.0, 0.2 }, -1 }, + { "HalfSpace4", 1, GL_FLOAT_VEC4, { 0.309116994, -0.951056516, 0.0, 0.2 }, -1 }, { "InOrOutInit", 1, GL_FLOAT, { -3.0, 0, 0, 0 }, -1 }, { "StripeWidth", 1, GL_FLOAT, { 0.3, 0, 0, 0 }, -1 }, { "FWidth", 1, GL_FLOAT, { 0.005, 0, 0, 0 }, -1 }, @@ -173,7 +173,8 @@ Init(void) glUseProgram(program); - InitUniforms(program, Uniforms); + SetUniformValues(program, Uniforms); + PrintUniforms(Uniforms); assert(glGetError() == 0); @@ -204,7 +205,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(400, 400); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/toyball.shtest b/progs/glsl/toyball.shtest new file mode 100644 index 00000000000..887663abd32 --- /dev/null +++ b/progs/glsl/toyball.shtest @@ -0,0 +1,17 @@ +vs CH11-toyball.vert +fs CH11-toyball.frag +uniform LightDir GL_FLOAT_VEC4 0.57737 0.57735 0.57735 0.0 +uniform HVector GL_FLOAT_VEC4 0.32506 0.32506 0.88808 0.0 +uniform BallCenter GL_FLOAT_VEC4 0.0 0.0 0.0 1.0 +uniform SpecularColor GL_FLOAT_VEC4 0.4 0.4 0.4 60.0 +uniform Red GL_FLOAT_VEC4 0.6 0.0 0.0 1.0 +uniform Blue GL_FLOAT_VEC4 0.0 0.3 0.6 1.0 +uniform Yellow GL_FLOAT_VEC4 0.6 0.5 0.0 1.0 +uniform HalfSpace0 GL_FLOAT_VEC4 1.0 0.0 0.0 0.2 +uniform HalfSpace1 GL_FLOAT_VEC4 .309016994 0.951056516 0.0 0.2 +uniform HalfSpace2 GL_FLOAT_VEC4 -0.809016994 0.587785252 0.0 0.2 +uniform HalfSpace3 GL_FLOAT_VEC4 -0.809016994 -0.587785252 0.0 0.2 +uniform HalfSpace4 GL_FLOAT_VEC4 .309116994 -0.951056516 0.0 0.2 +uniform InOrOutInit GL_FLOAT -3.0 +uniform StripeWidth GL_FLOAT 0.3 +uniform FWidth GL_FLOAT .005 diff --git a/progs/glsl/trirast.c b/progs/glsl/trirast.c index f7546f25a2e..53bd91ef976 100644 --- a/progs/glsl/trirast.c +++ b/progs/glsl/trirast.c @@ -239,7 +239,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(WinWidth, WinHeight); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/twoside.c b/progs/glsl/twoside.c index b6c1b477dde..a57484f96cc 100644 --- a/progs/glsl/twoside.c +++ b/progs/glsl/twoside.c @@ -285,7 +285,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(WinWidth, WinHeight); glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE); win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/vert-or-frag-only.c b/progs/glsl/vert-or-frag-only.c index 81fcab8c5b8..148991ca83e 100644 --- a/progs/glsl/vert-or-frag-only.c +++ b/progs/glsl/vert-or-frag-only.c @@ -173,7 +173,6 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition( 0, 0); glutInitWindowSize(400, 200); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); Win = glutCreateWindow(argv[0]); diff --git a/progs/glsl/vert-tex.c b/progs/glsl/vert-tex.c index e791a5759a7..4c8bfa587aa 100644 --- a/progs/glsl/vert-tex.c +++ b/progs/glsl/vert-tex.c @@ -43,7 +43,7 @@ static GLfloat xRot = -70.0f, yRot = 0.0f, zRot = 0.0f; /* value[0] = tex unit */ static struct uniform_info Uniforms[] = { - { "tex1", 1, GL_INT, { 0, 0, 0, 0 }, -1 }, + { "tex1", 1, GL_SAMPLER_2D, { 0, 0, 0, 0 }, -1 }, END_OF_UNIFORMS }; diff --git a/progs/tests/SConscript b/progs/tests/SConscript index b17fa905936..bb6a1d2b8a9 100644 --- a/progs/tests/SConscript +++ b/progs/tests/SConscript @@ -72,6 +72,7 @@ progs = [ 'fogcoord', 'fptest1', 'fptexture', + 'getteximage', 'glutfx', 'interleave', 'invert', diff --git a/progs/tests/floattex.c b/progs/tests/floattex.c index ad14cacdcbb..39302ce3aff 100644 --- a/progs/tests/floattex.c +++ b/progs/tests/floattex.c @@ -33,7 +33,7 @@ static const char *VertShaderText = "} \n"; static struct uniform_info Uniforms[] = { - { "tex1", 1, GL_INT, { 0, 0, 0, 0 }, -1 }, + { "tex1", 1, GL_SAMPLER_2D, { 0, 0, 0, 0 }, -1 }, END_OF_UNIFORMS }; @@ -189,7 +189,7 @@ CreateProgram(void) glUseProgram_func(program); - InitUniforms(program, Uniforms); + SetUniformValues(program, Uniforms); return program; } diff --git a/progs/tests/getprocaddress.c b/progs/tests/getprocaddress.c index ca66025d2dc..a09ea58e1da 100644 --- a/progs/tests/getprocaddress.c +++ b/progs/tests/getprocaddress.c @@ -39,13 +39,2600 @@ typedef void (*generic_func)(); #define EQUAL(X, Y) (fabs((X) - (Y)) < 0.001) -/** +/* This macro simplifies the task of querying an extension function + * pointer and checking to see whether it resolved. + */ +#define DECLARE_GLFUNC_PTR(name,type) \ + type name = (type) glXGetProcAddressARB((const GLubyte *) "gl" #name) + +/******************************************************************** + * Generic helper functions used by the test functions. + */ + +static void CheckGLError(int line, const char *file, const char *function) +{ + int errorCode; + glFinish(); + errorCode = glGetError(); + if (errorCode == GL_NO_ERROR) return; + while (errorCode != GL_NO_ERROR) { + fprintf(stderr, "OpenGL error 0x%x (%s) at line %d of file %s in function %s()\n", + errorCode, + errorCode == GL_INVALID_VALUE? "GL_INVALID_VALUE": + errorCode == GL_INVALID_ENUM? "GL_INVALID_ENUM": + errorCode == GL_INVALID_OPERATION? "GL_INVALID_OPERATION": + errorCode == GL_STACK_OVERFLOW? "GL_STACK_OVERFLOW": + errorCode == GL_STACK_UNDERFLOW? "GL_STACK_UNDERFLOW": + errorCode == GL_OUT_OF_MEMORY? "GL_OUT_OF_MEMORY": + "unknown", + line, file, function); + errorCode = glGetError(); + } + fflush(stderr); +} + +static GLboolean +compare_bytes(const char *errorLabel, GLuint expectedSize, + const GLubyte *expectedData, GLuint actualSize, const GLubyte *actualData) +{ + int i; + + if (expectedSize == actualSize && + memcmp(expectedData, actualData, actualSize) == 0) { + /* All is well */ + return GL_TRUE; + } + + /* Trouble; we don't match. Print out why. */ + fprintf(stderr, "%s: actual data is not as expected\n", errorLabel); + for (i = 0; i <= 1; i++) { + const GLubyte *ptr; + int size; + char *label; + int j; + + switch(i) { + case 0: + label = "expected"; + size = expectedSize; + ptr = expectedData; + break; + case 1: + label = " actual"; + size = actualSize; + ptr = actualData; + break; + } + + fprintf(stderr, " %s: size %d: {", label, size); + for (j = 0; j < size; j++) { + fprintf(stderr, "%s0x%02x", j > 0 ? ", " : "", ptr[j]); + } + fprintf(stderr, "}\n"); + } + + /* We fail if the data is unexpected. */ + return GL_FALSE; +} + + +static GLboolean +compare_ints(const char *errorLabel, GLuint expectedSize, + const GLint *expectedData, GLuint actualSize, const GLint *actualData) +{ + int i; + + if (expectedSize == actualSize && + memcmp(expectedData, actualData, actualSize*sizeof(*expectedData)) == 0) { + /* All is well */ + return GL_TRUE; + } + + /* Trouble; we don't match. Print out why. */ + fprintf(stderr, "%s: actual data is not as expected\n", errorLabel); + for (i = 0; i <= 1; i++) { + const GLint *ptr; + int size; + char *label; + int j; + + switch(i) { + case 0: + label = "expected"; + size = expectedSize; + ptr = expectedData; + break; + case 1: + label = " actual"; + size = actualSize; + ptr = actualData; + break; + } + + fprintf(stderr, " %s: size %d: {", label, size); + for (j = 0; j < size; j++) { + fprintf(stderr, "%s%d", j > 0 ? ", " : "", ptr[j]); + } + fprintf(stderr, "}\n"); + } + + /* We fail if the data is unexpected. */ + return GL_FALSE; +} + +#define MAX_CONVERTED_VALUES 4 +static GLboolean +compare_shorts_to_ints(const char *errorLabel, GLuint expectedSize, + const GLshort *expectedData, GLuint actualSize, const GLint *actualData) +{ + int i; + GLint convertedValues[MAX_CONVERTED_VALUES]; + + if (expectedSize > MAX_CONVERTED_VALUES) { + fprintf(stderr, "%s: too much data [need %d values, have %d values]\n", + errorLabel, expectedSize, MAX_CONVERTED_VALUES); + return GL_FALSE; + } + + for (i = 0; i < expectedSize; i++) { + convertedValues[i] = (GLint) expectedData[i]; + } + + return compare_ints(errorLabel, expectedSize, convertedValues, + actualSize, actualData); +} + +static GLboolean +compare_floats(const char *errorLabel, GLuint expectedSize, + const GLfloat *expectedData, GLuint actualSize, const GLfloat *actualData) +{ + int i; + + if (expectedSize == actualSize && + memcmp(expectedData, actualData, actualSize*sizeof(*expectedData)) == 0) { + /* All is well */ + return GL_TRUE; + } + + /* Trouble; we don't match. Print out why. */ + fprintf(stderr, "%s: actual data is not as expected\n", errorLabel); + for (i = 0; i <= 1; i++) { + const GLfloat *ptr; + int size; + char *label; + int j; + + switch(i) { + case 0: + label = "expected"; + size = expectedSize; + ptr = expectedData; + break; + case 1: + label = " actual"; + size = actualSize; + ptr = actualData; + break; + } + + fprintf(stderr, " %s: size %d: {", label, size); + for (j = 0; j < size; j++) { + fprintf(stderr, "%s%f", j > 0 ? ", " : "", ptr[j]); + } + fprintf(stderr, "}\n"); + } + + /* We fail if the data is unexpected. */ + return GL_FALSE; +} + +static GLboolean +compare_doubles(const char *errorLabel, GLuint expectedSize, + const GLdouble *expectedData, GLuint actualSize, const GLdouble *actualData) +{ + int i; + + if (expectedSize == actualSize || + memcmp(expectedData, actualData, actualSize*sizeof(*expectedData)) == 0) { + /* All is well */ + return GL_TRUE; + } + + /* Trouble; we don't match. Print out why. */ + fprintf(stderr, "%s: actual data is not as expected\n", errorLabel); + for (i = 0; i <= 1; i++) { + const GLdouble *ptr; + int size; + char *label; + int j; + + switch(i) { + case 0: + label = "expected"; + size = expectedSize; + ptr = expectedData; + break; + case 1: + label = " actual"; + size = actualSize; + ptr = actualData; + break; + } + + fprintf(stderr, " %s: size %d: {", label, size); + for (j = 0; j < size; j++) { + fprintf(stderr, "%s%f", j > 0 ? ", " : "", ptr[j]); + } + fprintf(stderr, "}\n"); + } + + /* We fail if the data is unexpected. */ + return GL_FALSE; +} + +/******************************************************************** + * Functions to assist with GL_ARB_texture_compressiong testing + */ + +static GLboolean +check_texture_format_supported(GLenum format) +{ + GLint numFormats; + GLint *formats; + register int i; + + glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, &numFormats); + formats = malloc(numFormats * sizeof(GLint)); + if (formats == NULL) { + fprintf(stderr, "check_texture_format_supported: could not allocate memory for %d GLints\n", + numFormats); + return GL_FALSE; + } + + memset(formats, 0, numFormats * sizeof(GLint)); + glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS_ARB, formats); + + for (i = 0; i < numFormats; i++) { + if (formats[i] == format) { + free(formats); + return GL_TRUE; + } + } + + /* We didn't find the format we were looking for. Give an error. */ +#define FORMAT_NAME(x) (\ + x == GL_COMPRESSED_RGB_FXT1_3DFX ? "GL_COMPRESSED_RGB_FXT1_3DFX" : \ + x == GL_COMPRESSED_RGBA_FXT1_3DFX ? "GL_COMPRESSED_RGBA_FXT1_3DFX" : \ + x == GL_COMPRESSED_RGB_S3TC_DXT1_EXT ? "GL_COMPRESSED_RGB_S3TC_DXT1_EXT" : \ + x == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT ? "GL_COMPRESSED_RGBA_S3TC_DXT1_EXT" : \ + x == GL_COMPRESSED_RGBA_S3TC_DXT3_EXT ? "GL_COMPRESSED_RGBA_S3TC_DXT3_EXT" : \ + x == GL_COMPRESSED_RGBA_S3TC_DXT5_EXT ? "GL_COMPRESSED_RGBA_S3TC_DXT5_EXT" : \ + x == GL_RGB_S3TC ? "GL_RGB_S3TC" : \ + x == GL_RGB4_S3TC ? "GL_RGB4_S3TC" : \ + x == GL_RGBA_S3TC ? "GL_RGBA_S3TC" : \ + x == GL_RGBA4_S3TC ? "GL_RGBA4_S3TC" : \ + "unknown") + fprintf(stderr, "check_texture_format_supported: unsupported format 0x%04x [%s]\n", + format, FORMAT_NAME(format)); + fprintf(stderr, "supported formats:"); + for (i = 0; i < numFormats; i++) { + fprintf(stderr, " 0x%04x [%s]", formats[i], FORMAT_NAME(formats[i])); + } + fprintf(stderr, "\n"); + return GL_FALSE; +} + +/* This helper function compresses an RGBA texture and compares it + * against the expected compressed data. It returns GL_TRUE if all + * went as expected, or GL_FALSE in the case of error. + */ +static GLboolean +check_texture_compression(const char *message, GLenum dimension, + GLint width, GLint height, GLint depth, const GLubyte *texture, + int expectedCompressedSize, const GLubyte *expectedCompressedData) +{ + /* These are the data we query about the texture. */ + GLint isCompressed; + GLenum compressedFormat; + GLint compressedSize; + GLubyte *compressedData; + + /* We need this function pointer to operate. */ + DECLARE_GLFUNC_PTR(GetCompressedTexImageARB, PFNGLGETCOMPRESSEDTEXIMAGEARBPROC); + if (GetCompressedTexImageARB == NULL) { + fprintf(stderr, + "%s: could not query GetCompressedTexImageARB function pointer\n", + message); + return GL_FALSE; + } + + /* Verify that we actually have the GL_COMPRESSED_RGBA_S3TC_DXT3_EXT format available. */ + if (!check_texture_format_supported(GL_COMPRESSED_RGBA_S3TC_DXT3_EXT)) { + return GL_FALSE; + } + + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + /* Set up the base image, requesting that the GL library compress it. */ + switch(dimension) { + case GL_TEXTURE_1D: + glTexImage1D(GL_TEXTURE_1D, 0, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, + width, 0, + GL_RGBA, GL_UNSIGNED_BYTE, texture); + break; + case GL_TEXTURE_2D: + glTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, + width, height, 0, + GL_RGBA, GL_UNSIGNED_BYTE, texture); + break; + case GL_TEXTURE_3D: + glTexImage3D(GL_TEXTURE_3D, 0, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, + width, height, depth, 0, + GL_RGBA, GL_UNSIGNED_BYTE, texture); + break; + default: + fprintf(stderr, "%s: unknown dimension 0x%04x.\n", message, dimension); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Make sure the texture is compressed, and pull it out if it is. */ + glGetTexLevelParameteriv(dimension, 0, GL_TEXTURE_COMPRESSED_ARB, + &isCompressed); + if (!isCompressed) { + fprintf(stderr, "%s: could not compress GL_COMPRESSED_RGBA_S3TC_DXT3_EXT texture\n", + message); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + glGetTexLevelParameteriv(dimension, 0, GL_TEXTURE_INTERNAL_FORMAT, + (GLint *)&compressedFormat); + if (compressedFormat != GL_COMPRESSED_RGBA_S3TC_DXT3_EXT) { + fprintf(stderr, "%s: got internal format 0x%04x, expected GL_COMPRESSED_RGBA_S3TC_DXT3_EXT [0x%04x]\n", + __FUNCTION__, compressedFormat, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + glGetTexLevelParameteriv(dimension, 0, GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB, &compressedSize); + compressedData = malloc(compressedSize); + if (compressedData == NULL) { + fprintf(stderr, "%s: could not malloc %d bytes for compressed texture\n", + message, compressedSize); + return GL_FALSE; + } + memset(compressedData, 0, compressedSize); + (*GetCompressedTexImageARB)(dimension, 0, compressedData); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Compare it to the expected compressed data. The compare_bytes() + * call will print out diagnostics in the case of failure. + */ + if (!compare_bytes(message, + expectedCompressedSize, expectedCompressedData, + compressedSize, compressedData)) { + + free(compressedData); + return GL_FALSE; + } + + /* All done. Free our allocated data and return success. */ + free(compressedData); + return GL_TRUE; +} + +/* We'll use one function to exercise 1D, 2D, and 3D textures. */ + +/* The test function for compressed 3D texture images requires several + * different function pointers that have to be queried. This function + * gets all the function pointers it needs itself, and so is suitable for + * use to test any and all of the incorporated functions. + */ + +static GLboolean +exercise_CompressedTextures(GLenum dimension) +{ + /* Set up a basic (uncompressed) texture. We're doing a blue/yellow + * checkerboard. The 8x4/32-pixel board is well-suited to S3TC + * compression, which works on 4x4 blocks of pixels. + */ +#define B 0,0,255,255 +#define Y 255,255,0,255 +#define TEXTURE_WIDTH 16 +#define TEXTURE_HEIGHT 4 +#define TEXTURE_DEPTH 1 + static GLubyte texture[TEXTURE_WIDTH*TEXTURE_HEIGHT*TEXTURE_DEPTH*4] = { + B, B, Y, Y, B, B, Y, Y, B, B, Y, Y, B, B, Y, Y, + B, B, Y, Y, B, B, Y, Y, B, B, Y, Y, B, B, Y, Y, + Y, Y, B, B, Y, Y, B, B, Y, Y, B, B, Y, Y, B, B, + Y, Y, B, B, Y, Y, B, B, Y, Y, B, B, Y, Y, B, B, + }; +#undef B +#undef Y + GLubyte uncompressedTexture[TEXTURE_WIDTH*TEXTURE_HEIGHT*TEXTURE_DEPTH*4]; + + /* We'll use this as a texture subimage. */ +#define R 255,0,0,255 +#define G 0,255,0,255 +#define SUBTEXTURE_WIDTH 4 +#define SUBTEXTURE_HEIGHT 4 +#define SUBTEXTURE_DEPTH 1 + static GLubyte subtexture[SUBTEXTURE_WIDTH*SUBTEXTURE_HEIGHT*SUBTEXTURE_DEPTH*4] = { + G, G, R, R, + G, G, R, R, + R, R, G, G, + R, R, G, G, + }; +#undef R +#undef G + + /* These are the expected compressed textures. (In the case of + * a failed comparison, the test program will print out the + * actual compressed data in a format that can be directly used + * here, if desired.) The brave of heart can calculate the compression + * themselves based on the formulae described at: + * http://en.wikipedia.org/wiki/S3_Texture_Compression + * In a nutshell, each group of 16 bytes encodes a 4x4 texture block. + * The first eight bytes of each group are 4-bit alpha values + * for each of the 16 pixels in the texture block. + * The next four bytes in each group are LSB-first RGB565 colors; the + * first two bytes are identified as the color C0, and the next two + * are the color C1. (Two more colors C2 and C3 will be calculated + * from these, but do not appear in the compression data.) The + * last 4 bytes of the group are sixteen 2-bit indices that, for + * each of the 16 pixels in the texture block, select one of the + * colors C0, C1, C2, or C3. + * + * For example, our blue/yellow checkerboard is made up of + * four identical 4x4 blocks. Each of those blocks will + * be encoded as: eight bytes of 0xff (16 alpha values, each 0xf), + * C0 as the RGB565 color yellow (0xffe0), encoded LSB-first; + * C1 as the RGB565 color blue (0x001f), encoded LSB-first; + * and 4 bytes of 16 2-bit color indices reflecting the + * choice of color for each of the 16 pixels: + * 00, 00, 01, 01, = 0x05 + * 00, 00, 01, 01, = 0x05 + * 01, 01, 00, 00, = 0x50 + * 01, 01, 00, 00, = 0x50 + */ + static GLubyte compressedTexture[] = { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xe0, 0xff, 0x1f, 0x00, 0x05, 0x05, 0x50, 0x50, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xe0, 0xff, 0x1f, 0x00, 0x05, 0x05, 0x50, 0x50, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xe0, 0xff, 0x1f, 0x00, 0x05, 0x05, 0x50, 0x50, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xe0, 0xff, 0x1f, 0x00, 0x05, 0x05, 0x50, 0x50 + }; + + /* The similar calculations for the 4x4 subtexture are left + * as an exercise for the reader. + */ + static GLubyte compressedSubTexture[] = { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0xf8, 0xe0, 0x07, 0x05, 0x05, 0x50, 0x50, + }; + + /* The combined texture replaces the initial blue/yellow + * block with the green/red block. (I'd wanted to do + * the more interesting exercise of putting the + * green/red block in the middle of the blue/yellow + * texture, which is a non-trivial replacement, but + * the attempt produces GL_INVALID_OPERATION, showing + * that you can only replace whole blocks of + * subimages with S3TC.) The combined texture looks + * like: + * G G R R B B Y Y B B Y Y B B Y Y + * G G R R B B Y Y B B Y Y B B Y Y + * R R G G Y Y B B Y Y B B Y Y B B + * R R G G Y Y B B Y Y B B Y Y B B + * which encodes just like the green/red block followed + * by 3 copies of the yellow/blue block. + */ + static GLubyte compressedCombinedTexture[] = { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0xf8, 0xe0, 0x07, 0x05, 0x05, 0x50, 0x50, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xe0, 0xff, 0x1f, 0x00, 0x05, 0x05, 0x50, 0x50, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xe0, 0xff, 0x1f, 0x00, 0x05, 0x05, 0x50, 0x50, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xe0, 0xff, 0x1f, 0x00, 0x05, 0x05, 0x50, 0x50 + }; + + /* These are the data we query about the texture. */ + GLint queryIsCompressed; + GLenum queryCompressedFormat; + GLint queryCompressedSize; + GLubyte queryCompressedData[sizeof(compressedTexture)]; + + /* Query the function pointers we need. We actually won't need most + * of these (the "dimension" parameter dictates whether we're testing + * 1D, 2D, or 3D textures), but we'll have them all ready just in case. + */ + DECLARE_GLFUNC_PTR(GetCompressedTexImageARB, PFNGLGETCOMPRESSEDTEXIMAGEARBPROC); + DECLARE_GLFUNC_PTR(CompressedTexImage3DARB, PFNGLCOMPRESSEDTEXIMAGE3DARBPROC); + DECLARE_GLFUNC_PTR(CompressedTexSubImage3DARB, PFNGLCOMPRESSEDTEXSUBIMAGE3DARBPROC); + DECLARE_GLFUNC_PTR(CompressedTexImage2DARB, PFNGLCOMPRESSEDTEXIMAGE2DARBPROC); + DECLARE_GLFUNC_PTR(CompressedTexSubImage2DARB, PFNGLCOMPRESSEDTEXSUBIMAGE2DARBPROC); + DECLARE_GLFUNC_PTR(CompressedTexImage1DARB, PFNGLCOMPRESSEDTEXIMAGE1DARBPROC); + DECLARE_GLFUNC_PTR(CompressedTexSubImage1DARB, PFNGLCOMPRESSEDTEXSUBIMAGE1DARBPROC); + + /* If the necessary functions are missing, we can't continue */ + if (GetCompressedTexImageARB == NULL) { + fprintf(stderr, "%s: GetCompressedTexImageARB function is missing\n", + __FUNCTION__); + return GL_FALSE; + } + switch (dimension) { + case GL_TEXTURE_1D: + if (CompressedTexImage1DARB == NULL || CompressedTexSubImage1DARB == NULL) { + fprintf(stderr, "%s: 1D compressed texture functions are missing\n", + __FUNCTION__); + return GL_FALSE; + }; + break; + case GL_TEXTURE_2D: + if (CompressedTexImage2DARB == NULL || CompressedTexSubImage2DARB == NULL) { + fprintf(stderr, "%s: 2D compressed texture functions are missing\n", + __FUNCTION__); + return GL_FALSE; + }; + break; + case GL_TEXTURE_3D: + if (CompressedTexImage3DARB == NULL || CompressedTexSubImage3DARB == NULL) { + fprintf(stderr, "%s: 3D compressed texture functions are missing\n", + __FUNCTION__); + return GL_FALSE; + }; + break; + default: + fprintf(stderr, "%s: unknown texture dimension 0x%04x passed.\n", + __FUNCTION__, dimension); + return GL_FALSE; + } + + /* Check the compression of our base texture image. */ + if (!check_texture_compression("texture compression", dimension, + TEXTURE_WIDTH, TEXTURE_HEIGHT, TEXTURE_DEPTH, texture, + sizeof(compressedTexture), compressedTexture)) { + + /* Something's wrong with texture compression. The function + * above will have printed an appropriate error. + */ + return GL_FALSE; + } + + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Do the same for our texture subimage */ + if (!check_texture_compression("subtexture compression", dimension, + SUBTEXTURE_WIDTH, SUBTEXTURE_HEIGHT, SUBTEXTURE_DEPTH, subtexture, + sizeof(compressedSubTexture), compressedSubTexture)) { + + /* Something's wrong with texture compression. The function + * above will have printed an appropriate error. + */ + return GL_FALSE; + } + + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Send the base compressed texture down to the hardware. */ + switch(dimension) { + case GL_TEXTURE_3D: + (*CompressedTexImage3DARB)(GL_TEXTURE_3D, 0, + GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, + TEXTURE_WIDTH, TEXTURE_HEIGHT, TEXTURE_DEPTH, 0, + sizeof(compressedTexture), compressedTexture); + break; + + case GL_TEXTURE_2D: + (*CompressedTexImage2DARB)(GL_TEXTURE_2D, 0, + GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, + TEXTURE_WIDTH, TEXTURE_HEIGHT, 0, + sizeof(compressedTexture), compressedTexture); + break; + + case GL_TEXTURE_1D: + (*CompressedTexImage1DARB)(GL_TEXTURE_1D, 0, + GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, + TEXTURE_WIDTH, 0, + sizeof(compressedTexture), compressedTexture); + break; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* For grins, query it to make sure it is as expected. */ + glGetTexLevelParameteriv(dimension, 0, GL_TEXTURE_COMPRESSED_ARB, + &queryIsCompressed); + if (!queryIsCompressed) { + fprintf(stderr, "%s: compressed texture did not come back as compressed\n", + __FUNCTION__); + return GL_FALSE; + } + glGetTexLevelParameteriv(dimension, 0, GL_TEXTURE_INTERNAL_FORMAT, + (GLint *)&queryCompressedFormat); + if (queryCompressedFormat != GL_COMPRESSED_RGBA_S3TC_DXT3_EXT) { + fprintf(stderr, "%s: got internal format 0x%04x, expected GL_COMPRESSED_RGBA_S3TC_DXT3_EXT [0x%04x]\n", + __FUNCTION__, queryCompressedFormat, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT); + return GL_FALSE; + } + glGetTexLevelParameteriv(dimension, 0, GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB, + &queryCompressedSize); + if (queryCompressedSize != sizeof(compressedTexture)) { + fprintf(stderr, "%s: compressed 3D texture changed size: expected %d, actual %d\n", + __FUNCTION__, sizeof(compressedTexture), queryCompressedSize); + return GL_FALSE; + } + (*GetCompressedTexImageARB)(dimension, 0, queryCompressedData); + if (!compare_bytes( + "exercise_CompressedTextures:doublechecking compressed texture", + sizeof(compressedTexture), compressedTexture, + queryCompressedSize, queryCompressedData)) { + return GL_FALSE; + } + + /* Now apply the texture subimage. The current implementation of + * S3TC requires that subimages be only applied to whole blocks. + */ + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + switch(dimension) { + case GL_TEXTURE_3D: + (*CompressedTexSubImage3DARB)(GL_TEXTURE_3D, 0, + 0, 0, 0, /* offsets */ + SUBTEXTURE_WIDTH, SUBTEXTURE_HEIGHT, SUBTEXTURE_DEPTH, + GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, + sizeof(compressedSubTexture), compressedSubTexture); + break; + case GL_TEXTURE_2D: + (*CompressedTexSubImage2DARB)(GL_TEXTURE_2D, 0, + 0, 0, /* offsets */ + SUBTEXTURE_WIDTH, SUBTEXTURE_HEIGHT, + GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, + sizeof(compressedSubTexture), compressedSubTexture); + break; + case GL_TEXTURE_1D: + (*CompressedTexSubImage2DARB)(GL_TEXTURE_2D, 0, + 0, 0, /* offsets */ + SUBTEXTURE_WIDTH, SUBTEXTURE_HEIGHT, + GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, + sizeof(compressedSubTexture), compressedSubTexture); + break; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query the compressed texture back now, and see that it + * is as expected. + */ + (*GetCompressedTexImageARB)(dimension, 0, queryCompressedData); + if (!compare_bytes("exercise_CompressedTextures:combined texture", + sizeof(compressedCombinedTexture), compressedCombinedTexture, + queryCompressedSize, queryCompressedData)) { + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Just for the exercise, uncompress the texture and pull it out. + * We don't check it because the compression is lossy, so it won't + * compare exactly to the source texture; we just + * want to exercise the code paths that convert it. + */ + glGetTexImage(dimension, 0, GL_RGBA, GL_UNSIGNED_BYTE, uncompressedTexture); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* If we survived this far, we pass. */ + return GL_TRUE; +} + +/************************************************************************** + * Functions to assist with GL_EXT_framebuffer_object and + * GL_EXT_framebuffer_blit testing. + */ + +#define FB_STATUS_NAME(x) (\ + x == GL_FRAMEBUFFER_COMPLETE_EXT ? "GL_FRAMEBUFFER_COMPLETE_EXT" : \ + x == GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT ? "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT" : \ + x == GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT ? "GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT" : \ + x == GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT ? "GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT" : \ + x == GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT ? "GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT" : \ + x == GL_FRAMEBUFFER_UNSUPPORTED_EXT ? "GL_FRAMEBUFFER_UNSUPPORTED_EXT" : \ + x == GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT ? "GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT" : \ + x == GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT ? "GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT" : \ + x == GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT ? "GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT" : \ + "unknown") + +static GLboolean +exercise_framebuffer(void) +{ + GLuint framebufferID = 0; + GLuint renderbufferID = 0; + + /* Dimensions of the framebuffer and renderbuffers are arbitrary. + * Since they won't be shown on-screen, we can use whatever we want. + */ + const GLint Width = 100; + const GLint Height = 100; + + /* Every function we use will be referenced through function pointers. + * This will allow this test program to run on OpenGL implementations + * that *don't* implement these extensions (though the implementation + * used to compile them must have up-to-date header files). + */ + DECLARE_GLFUNC_PTR(GenFramebuffersEXT, PFNGLGENFRAMEBUFFERSEXTPROC); + DECLARE_GLFUNC_PTR(IsFramebufferEXT, PFNGLISFRAMEBUFFEREXTPROC); + DECLARE_GLFUNC_PTR(DeleteFramebuffersEXT, PFNGLDELETEFRAMEBUFFERSEXTPROC); + DECLARE_GLFUNC_PTR(BindFramebufferEXT, PFNGLBINDFRAMEBUFFEREXTPROC); + DECLARE_GLFUNC_PTR(GenRenderbuffersEXT, PFNGLGENRENDERBUFFERSEXTPROC); + DECLARE_GLFUNC_PTR(IsRenderbufferEXT, PFNGLISRENDERBUFFEREXTPROC); + DECLARE_GLFUNC_PTR(DeleteRenderbuffersEXT, PFNGLDELETERENDERBUFFERSEXTPROC); + DECLARE_GLFUNC_PTR(BindRenderbufferEXT, PFNGLBINDRENDERBUFFEREXTPROC); + DECLARE_GLFUNC_PTR(FramebufferRenderbufferEXT, PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC); + DECLARE_GLFUNC_PTR(RenderbufferStorageEXT, PFNGLRENDERBUFFERSTORAGEEXTPROC); + DECLARE_GLFUNC_PTR(CheckFramebufferStatusEXT, PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC); + + /* The BlitFramebuffer function comes from a different extension. + * It's possible for an implementation to implement all the above, + * but not BlitFramebuffer; so it's okay if this one comes back + * NULL, as we can still test the rest. + */ + DECLARE_GLFUNC_PTR(BlitFramebufferEXT, PFNGLBLITFRAMEBUFFEREXTPROC); + + /* We cannot test unless we have all the function pointers. */ + if ( + GenFramebuffersEXT == NULL || + IsFramebufferEXT == NULL || + DeleteFramebuffersEXT == NULL || + BindFramebufferEXT == NULL || + GenRenderbuffersEXT == NULL || + IsRenderbufferEXT == NULL || + DeleteRenderbuffersEXT == NULL || + BindRenderbufferEXT == NULL || + FramebufferRenderbufferEXT == NULL || + RenderbufferStorageEXT == NULL || + CheckFramebufferStatusEXT == NULL + ) { + fprintf(stderr, "%s: could not locate all framebuffer functions\n", + __FUNCTION__); + return GL_FALSE; + } + + /* Generate a framebuffer for us to play with. */ + (*GenFramebuffersEXT)(1, &framebufferID); + if (framebufferID == 0) { + fprintf(stderr, "%s: failed to generate a frame buffer ID.\n", + __FUNCTION__); + return GL_FALSE; + } + /* The generated name is not a framebuffer object until bound. */ + (*BindFramebufferEXT)(GL_FRAMEBUFFER_EXT, framebufferID); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + if (!(*IsFramebufferEXT)(framebufferID)) { + fprintf(stderr, "%s: generated a frame buffer ID 0x%x that wasn't a framebuffer\n", + __FUNCTION__, framebufferID); + (*BindFramebufferEXT)(GL_FRAMEBUFFER_EXT, 0); + (*DeleteFramebuffersEXT)(1, &framebufferID); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + { + GLint queriedFramebufferID; + glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &queriedFramebufferID); + if (queriedFramebufferID != framebufferID) { + fprintf(stderr, "%s: bound frame buffer 0x%x, but queried 0x%x\n", + __FUNCTION__, framebufferID, queriedFramebufferID); + (*BindFramebufferEXT)(GL_FRAMEBUFFER_EXT, 0); + (*DeleteFramebuffersEXT)(1, &framebufferID); + return GL_FALSE; + } + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Create a color buffer to attach to the frame buffer object, so + * we can actually operate on it. We go through the same basic checks + * with the renderbuffer that we do with the framebuffer. + */ + (*GenRenderbuffersEXT)(1, &renderbufferID); + if (renderbufferID == 0) { + fprintf(stderr, "%s: could not generate a renderbuffer ID\n", + __FUNCTION__); + (*BindFramebufferEXT)(GL_FRAMEBUFFER_EXT, 0); + (*DeleteFramebuffersEXT)(1, &framebufferID); + return GL_FALSE; + } + (*BindRenderbufferEXT)(GL_RENDERBUFFER_EXT, renderbufferID); + if (!(*IsRenderbufferEXT)(renderbufferID)) { + fprintf(stderr, "%s: generated renderbuffer 0x%x is not a renderbuffer\n", + __FUNCTION__, renderbufferID); + (*BindRenderbufferEXT)(GL_RENDERBUFFER_EXT, 0); + (*DeleteRenderbuffersEXT)(1, &renderbufferID); + (*BindFramebufferEXT)(GL_FRAMEBUFFER_EXT, 0); + (*DeleteFramebuffersEXT)(1, &framebufferID); + return GL_FALSE; + } + { + GLint queriedRenderbufferID = 0; + glGetIntegerv(GL_RENDERBUFFER_BINDING_EXT, &queriedRenderbufferID); + if (renderbufferID != queriedRenderbufferID) { + fprintf(stderr, "%s: bound renderbuffer 0x%x, but got 0x%x\n", + __FUNCTION__, renderbufferID, queriedRenderbufferID); + (*BindRenderbufferEXT)(GL_RENDERBUFFER_EXT, 0); + (*DeleteRenderbuffersEXT)(1, &renderbufferID); + (*BindFramebufferEXT)(GL_FRAMEBUFFER_EXT, 0); + (*DeleteFramebuffersEXT)(1, &framebufferID); + return GL_FALSE; + } + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Add the renderbuffer as a color attachment to the current + * framebuffer (which is our generated framebuffer). + */ + (*FramebufferRenderbufferEXT)(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, + GL_RENDERBUFFER_EXT, renderbufferID); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* The renderbuffer will need some dimensions and storage space. */ + (*RenderbufferStorageEXT)(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* That should be everything we need. If we set up to draw and to + * read from our color attachment, we should be "framebuffer complete", + * meaning the framebuffer is ready to go. + */ + glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT); + glReadBuffer(GL_COLOR_ATTACHMENT1_EXT); + { + GLenum status = (*CheckFramebufferStatusEXT)(GL_FRAMEBUFFER_EXT); + if (status != GL_FRAMEBUFFER_COMPLETE_EXT) { + fprintf(stderr, "%s: framebuffer not complete; status = %s [0x%x]\n", + __FUNCTION__, FB_STATUS_NAME(status), status); + glReadBuffer(0); + glDrawBuffer(0); + (*BindRenderbufferEXT)(GL_RENDERBUFFER_EXT, 0); + (*DeleteRenderbuffersEXT)(1, &renderbufferID); + (*BindFramebufferEXT)(GL_FRAMEBUFFER_EXT, 0); + (*DeleteFramebuffersEXT)(1, &framebufferID); + return GL_FALSE; + } + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Define the contents of the frame buffer */ + glClearColor(0.5, 0.5, 0.5, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + + /* If the GL_EXT_framebuffer_blit is supported, attempt a framebuffer + * blit from (5,5)-(10,10) to (90,90)-(95,95). This is *not* an + * error if framebuffer_blit is *not* supported (as we can still + * effectively test the other functions). + */ + if (BlitFramebufferEXT != NULL) { + (*BlitFramebufferEXT)(5, 5, 10, 10, 90, 90, 95, 95, + GL_COLOR_BUFFER_BIT, GL_NEAREST); + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* We could now test to see whether the framebuffer had the desired + * contents. As this is just a touch test, we'll leave that for now. + * Clean up and go home. + */ + glReadBuffer(0); + glDrawBuffer(0); + (*BindRenderbufferEXT)(GL_RENDERBUFFER_EXT, 0); + (*DeleteRenderbuffersEXT)(1, &renderbufferID); + (*BindFramebufferEXT)(GL_FRAMEBUFFER_EXT, 0); + (*DeleteFramebuffersEXT)(1, &framebufferID); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + return GL_TRUE; +} + +/************************************************************************** + * Functions to assist with GL_ARB_shader_objects testing. + */ + +static void +print_info_log(const char *message, GLhandleARB object) +{ + DECLARE_GLFUNC_PTR(GetObjectParameterivARB, PFNGLGETOBJECTPARAMETERIVARBPROC); + DECLARE_GLFUNC_PTR(GetInfoLogARB, PFNGLGETINFOLOGARBPROC); + int logLength, queryLength; + char *log; + + if (GetObjectParameterivARB == NULL) { + fprintf(stderr, "%s: could not get GetObjectParameterivARB address\n", + message); + return; + } + if (GetInfoLogARB == NULL) { + fprintf(stderr, "%s: could not get GetInfoLogARB address\n", + message); + return; + } + + (*GetObjectParameterivARB)(object, GL_OBJECT_INFO_LOG_LENGTH_ARB, + &logLength); + if (logLength == 0) { + fprintf(stderr, "%s: info log length is 0\n", message); + return; + } + log = malloc(logLength); + if (log == NULL) { + fprintf(stderr, "%s: could not malloc %d bytes for info log\n", + message, logLength); + } + else { + (*GetInfoLogARB)(object, logLength, &queryLength, log); + fprintf(stderr, "%s: info log says '%s'\n", + message, log); + } + free(log); +} + +static GLboolean +exercise_uniform_start(const char *fragmentShaderText, const char *uniformName, + GLhandleARB *returnProgram, GLint *returnUniformLocation) +{ + DECLARE_GLFUNC_PTR(CreateShaderObjectARB, PFNGLCREATESHADEROBJECTARBPROC); + DECLARE_GLFUNC_PTR(ShaderSourceARB, PFNGLSHADERSOURCEARBPROC); + DECLARE_GLFUNC_PTR(CompileShaderARB, PFNGLCOMPILESHADERARBPROC); + DECLARE_GLFUNC_PTR(CreateProgramObjectARB, PFNGLCREATEPROGRAMOBJECTARBPROC); + DECLARE_GLFUNC_PTR(AttachObjectARB, PFNGLATTACHOBJECTARBPROC); + DECLARE_GLFUNC_PTR(LinkProgramARB, PFNGLLINKPROGRAMARBPROC); + DECLARE_GLFUNC_PTR(UseProgramObjectARB, PFNGLUSEPROGRAMOBJECTARBPROC); + DECLARE_GLFUNC_PTR(ValidateProgramARB, PFNGLVALIDATEPROGRAMARBPROC); + DECLARE_GLFUNC_PTR(GetUniformLocationARB, PFNGLGETUNIFORMLOCATIONARBPROC); + DECLARE_GLFUNC_PTR(DeleteObjectARB, PFNGLDELETEOBJECTARBPROC); + DECLARE_GLFUNC_PTR(GetObjectParameterivARB, PFNGLGETOBJECTPARAMETERIVARBPROC); + GLhandleARB fs, program; + GLint uniformLocation; + GLint shaderCompiled, programValidated; + + if (CreateShaderObjectARB == NULL || + ShaderSourceARB == NULL || + CompileShaderARB == NULL || + CreateProgramObjectARB == NULL || + AttachObjectARB == NULL || + LinkProgramARB == NULL || + UseProgramObjectARB == NULL || + ValidateProgramARB == NULL || + GetUniformLocationARB == NULL || + DeleteObjectARB == NULL || + GetObjectParameterivARB == NULL || + 0) { + return GL_FALSE; + } + + /* Create the trivial fragment shader and program. For safety + * we'll check to make sure they compile and link correctly. + */ + fs = (*CreateShaderObjectARB)(GL_FRAGMENT_SHADER_ARB); + (*ShaderSourceARB)(fs, 1, &fragmentShaderText, NULL); + (*CompileShaderARB)(fs); + (*GetObjectParameterivARB)(fs, GL_OBJECT_COMPILE_STATUS_ARB, + &shaderCompiled); + if (!shaderCompiled) { + print_info_log("shader did not compile", fs); + (*DeleteObjectARB)(fs); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + program = (*CreateProgramObjectARB)(); + (*AttachObjectARB)(program, fs); + (*LinkProgramARB)(program); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Make sure we're going to run successfully */ + (*ValidateProgramARB)(program); + (*GetObjectParameterivARB)(program, GL_OBJECT_VALIDATE_STATUS_ARB, + &programValidated); + if (!programValidated) {; + print_info_log("program did not validate", program); + (*DeleteObjectARB)(program); + (*DeleteObjectARB)(fs); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + return GL_FALSE; + } + + /* Put the program in place. We're not allowed to assign to uniform + * variables used by the program until the program is put into use. + */ + (*UseProgramObjectARB)(program); + + /* Once the shader is in place, we're free to delete it; this + * won't affect the copy that's part of the program. + */ + (*DeleteObjectARB)(fs); + + /* Find the location index of the uniform variable we declared; + * the caller will ned that to set the value. + */ + uniformLocation = (*GetUniformLocationARB)(program, uniformName); + if (uniformLocation == -1) { + fprintf(stderr, "%s: could not determine uniform location\n", + __FUNCTION__); + (*DeleteObjectARB)(program); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + return GL_FALSE; + } + + /* All done with what we're supposed to do - return the program + * handle and the uniform location to the caller. + */ + *returnProgram = program; + *returnUniformLocation = uniformLocation; + return GL_TRUE; +} + +static void +exercise_uniform_end(GLhandleARB program) +{ + DECLARE_GLFUNC_PTR(UseProgramObjectARB, PFNGLUSEPROGRAMOBJECTARBPROC); + DECLARE_GLFUNC_PTR(DeleteObjectARB, PFNGLDELETEOBJECTARBPROC); + if (UseProgramObjectARB == NULL || DeleteObjectARB == NULL) { + return; + } + + /* Turn off our program by setting the special value 0, and + * then delete the program object. + */ + (*UseProgramObjectARB)(0); + (*DeleteObjectARB)(program); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); +} + +/************************************************************************** + * Exercises for fences + */ +static GLboolean +exercise_fences(void) +{ + DECLARE_GLFUNC_PTR(DeleteFencesNV, PFNGLDELETEFENCESNVPROC); + DECLARE_GLFUNC_PTR(FinishFenceNV, PFNGLFINISHFENCENVPROC); + DECLARE_GLFUNC_PTR(GenFencesNV, PFNGLGENFENCESNVPROC); + DECLARE_GLFUNC_PTR(GetFenceivNV, PFNGLGETFENCEIVNVPROC); + DECLARE_GLFUNC_PTR(IsFenceNV, PFNGLISFENCENVPROC); + DECLARE_GLFUNC_PTR(SetFenceNV, PFNGLSETFENCENVPROC); + DECLARE_GLFUNC_PTR(TestFenceNV, PFNGLTESTFENCENVPROC); + GLuint fence; + GLint fenceStatus, fenceCondition; + int count; + + /* Make sure we have all the function pointers we need. */ + if (GenFencesNV == NULL || + SetFenceNV == NULL || + IsFenceNV == NULL || + GetFenceivNV == NULL || + TestFenceNV == NULL || + FinishFenceNV == NULL || + DeleteFencesNV == NULL) { + fprintf(stderr, "%s: don't have all the fence functions\n", + __FUNCTION__); + return GL_FALSE; + } + + /* Create and set a simple fence. */ + (*GenFencesNV)(1, &fence); + (*SetFenceNV)(fence, GL_ALL_COMPLETED_NV); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Make sure it reads as a fence. */ + if (!(*IsFenceNV)(fence)) { + fprintf(stderr, "%s: set fence is not a fence\n", __FUNCTION__); + (*DeleteFencesNV)(1, &fence); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Try to read back its current status and condition. */ + (*GetFenceivNV)(fence, GL_FENCE_CONDITION_NV, &fenceCondition); + if (fenceCondition != GL_ALL_COMPLETED_NV) { + fprintf(stderr, "%s: expected fence condition 0x%x, got 0x%x\n", + __FUNCTION__, GL_ALL_COMPLETED_NV, fenceCondition); + (*DeleteFencesNV)(1, &fence); + return GL_FALSE; + } + (*GetFenceivNV)(fence, GL_FENCE_STATUS_NV, &fenceStatus); + if (fenceStatus != GL_TRUE && fenceStatus != GL_FALSE) { + fprintf(stderr,"%s: fence status should be GL_TRUE or GL_FALSE, got 0x%x\n", + __FUNCTION__, fenceStatus); + (*DeleteFencesNV)(1, &fence); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Set the fence again, query its status, and wait for it to finish + * two different ways: once by looping on TestFence(), and a + * second time by a simple call to FinishFence(); + */ + (*SetFenceNV)(fence, GL_ALL_COMPLETED_NV); + glFlush(); + count = 1; + while (!(*TestFenceNV)(fence)) { + count++; + if (count == 0) { + break; + } + } + if (count == 0) { + fprintf(stderr, "%s: fence never returned true\n", __FUNCTION__); + (*DeleteFencesNV)(1, &fence); + return GL_FALSE; + } + (*SetFenceNV)(fence, GL_ALL_COMPLETED_NV); + (*FinishFenceNV)(fence); + if ((*TestFenceNV)(fence) != GL_TRUE) { + fprintf(stderr, "%s: finished fence does not have status GL_TRUE\n", + __FUNCTION__); + (*DeleteFencesNV)(1, &fence); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* All done. Delete the fence and return. */ + (*DeleteFencesNV)(1, &fence); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + return GL_TRUE; +} + +/************************************************************************** + * Exercises for buffer objects + */ +enum Map_Buffer_Usage{ Use_Map_Buffer, Use_Map_Buffer_Range}; +static GLboolean +exercise_buffer_objects(enum Map_Buffer_Usage usage) +{ +#define BUFFER_DATA_SIZE 1024 + GLuint bufferID; + GLint bufferMapped; + static GLubyte data[BUFFER_DATA_SIZE] = {0}; + float *dataPtr; + + /* Get the function pointers we need. These are from + * GL_ARB_vertex_buffer_object and are required in all + * cases. + */ + DECLARE_GLFUNC_PTR(GenBuffersARB, PFNGLGENBUFFERSARBPROC); + DECLARE_GLFUNC_PTR(BindBufferARB, PFNGLBINDBUFFERARBPROC); + DECLARE_GLFUNC_PTR(BufferDataARB, PFNGLBUFFERDATAARBPROC); + DECLARE_GLFUNC_PTR(MapBufferARB, PFNGLMAPBUFFERARBPROC); + DECLARE_GLFUNC_PTR(UnmapBufferARB, PFNGLUNMAPBUFFERARBPROC); + DECLARE_GLFUNC_PTR(DeleteBuffersARB, PFNGLDELETEBUFFERSARBPROC); + DECLARE_GLFUNC_PTR(GetBufferParameterivARB, PFNGLGETBUFFERPARAMETERIVARBPROC); + + /* These are from GL_ARB_map_buffer_range, and are optional + * unless we're given Use_Map_Buffer_Range. Note that they do *not* + * have the standard "ARB" suffixes; this is because the extension + * was introduced *after* a superset was standardized in OpenGL 3.0. + * (The extension really only exists to allow the functionality on + * devices that cannot implement a full OpenGL 3.0 driver.) + */ + DECLARE_GLFUNC_PTR(FlushMappedBufferRange, PFNGLFLUSHMAPPEDBUFFERRANGEPROC); + DECLARE_GLFUNC_PTR(MapBufferRange, PFNGLMAPBUFFERRANGEPROC); + + /* This is from APPLE_flush_buffer_range, and is optional even if + * we're given Use_Map_Buffer_Range. Test it before using it. + */ + DECLARE_GLFUNC_PTR(BufferParameteriAPPLE, PFNGLBUFFERPARAMETERIAPPLEPROC); + + /* Make sure we have all the function pointers we need. */ + if (GenBuffersARB == NULL || + BindBufferARB == NULL || + BufferDataARB == NULL || + MapBufferARB == NULL || + UnmapBufferARB == NULL || + DeleteBuffersARB == NULL || + GetBufferParameterivARB == NULL) { + fprintf(stderr, "%s: missing basic MapBuffer functions\n", __FUNCTION__); + return GL_FALSE; + } + if (usage == Use_Map_Buffer_Range) { + if (FlushMappedBufferRange == NULL || MapBufferRange == NULL) { + fprintf(stderr, "%s: missing MapBufferRange functions\n", __FUNCTION__); + return GL_FALSE; + } + } + + /* Create and define a buffer */ + (*GenBuffersARB)(1, &bufferID); + (*BindBufferARB)(GL_ARRAY_BUFFER_ARB, bufferID); + (*BufferDataARB)(GL_ARRAY_BUFFER_ARB, BUFFER_DATA_SIZE, data, + GL_DYNAMIC_DRAW_ARB); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* If we're using MapBufferRange, and if the BufferParameteriAPPLE + * function is present, use it before mapping. This particular + * use is a no-op, intended just to exercise the entry point. + */ + if (usage == Use_Map_Buffer_Range && BufferParameteriAPPLE != NULL) { + (*BufferParameteriAPPLE)(GL_ARRAY_BUFFER_ARB, + GL_BUFFER_SERIALIZED_MODIFY_APPLE, GL_TRUE); + } + + /* Map it, and make sure it's mapped. */ + switch(usage) { + case Use_Map_Buffer: + dataPtr = (float *) (*MapBufferARB)( + GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB); + break; + case Use_Map_Buffer_Range: + dataPtr = (float *)(*MapBufferRange)(GL_ARRAY_BUFFER_ARB, + 4, 16, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT); + break; + } + if (dataPtr == NULL) { + fprintf(stderr, "%s: %s returned NULL\n", __FUNCTION__, + usage == Use_Map_Buffer ? "MapBuffer" : "MapBufferRange"); + (*BindBufferARB)(GL_ARRAY_BUFFER_ARB, 0); + (*DeleteBuffersARB)(1, &bufferID); + return GL_FALSE; + } + (*GetBufferParameterivARB)(GL_ARRAY_BUFFER_ARB, GL_BUFFER_MAPPED_ARB, + &bufferMapped); + if (!bufferMapped) { + fprintf(stderr, "%s: buffer should be mapped but isn't\n", __FUNCTION__); + (*BindBufferARB)(GL_ARRAY_BUFFER_ARB, 0); + (*DeleteBuffersARB)(1, &bufferID); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Write something to it, just to make sure we don't segfault. */ + *dataPtr = 1.5; + + /* Unmap to show we're finished with the buffer. Note that if we're + * using MapBufferRange, we first have to flush the range we modified. + */ + if (usage == Use_Map_Buffer_Range) { + (*FlushMappedBufferRange)(GL_ARRAY_BUFFER_ARB, 4, 16); + } + if (!(*UnmapBufferARB)(GL_ARRAY_BUFFER_ARB)) { + fprintf(stderr, "%s: UnmapBuffer failed\n", __FUNCTION__); + (*BindBufferARB)(GL_ARRAY_BUFFER_ARB, 0); + (*DeleteBuffersARB)(1, &bufferID); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* All done. */ + (*BindBufferARB)(GL_ARRAY_BUFFER_ARB, 0); + (*DeleteBuffersARB)(1, &bufferID); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + return GL_TRUE; + +#undef BUFFER_DATA_SIZE +} + +/************************************************************************** + * Exercises for occlusion query + */ +static GLboolean +exercise_occlusion_query(void) +{ + GLuint queryObject; + GLint queryReady; + GLuint querySampleCount; + GLint queryCurrent; + GLint queryCounterBits; + + /* Get the function pointers we need. These are from + * GL_ARB_vertex_buffer_object and are required in all + * cases. + */ + DECLARE_GLFUNC_PTR(GenQueriesARB, PFNGLGENQUERIESARBPROC); + DECLARE_GLFUNC_PTR(BeginQueryARB, PFNGLBEGINQUERYARBPROC); + DECLARE_GLFUNC_PTR(GetQueryivARB, PFNGLGETQUERYIVARBPROC); + DECLARE_GLFUNC_PTR(EndQueryARB, PFNGLENDQUERYARBPROC); + DECLARE_GLFUNC_PTR(IsQueryARB, PFNGLISQUERYARBPROC); + DECLARE_GLFUNC_PTR(GetQueryObjectivARB, PFNGLGETQUERYOBJECTIVARBPROC); + DECLARE_GLFUNC_PTR(GetQueryObjectuivARB, PFNGLGETQUERYOBJECTUIVARBPROC); + DECLARE_GLFUNC_PTR(DeleteQueriesARB, PFNGLDELETEQUERIESARBPROC); + + /* Make sure we have all the function pointers we need. */ + if (GenQueriesARB == NULL || + BeginQueryARB == NULL || + GetQueryivARB == NULL || + EndQueryARB == NULL || + IsQueryARB == NULL || + GetQueryObjectivARB == NULL || + GetQueryObjectuivARB == NULL || + DeleteQueriesARB == NULL) { + fprintf(stderr, "%s: don't have all the Query functions\n", __FUNCTION__); + return GL_FALSE; + } + + /* Create a query object, and start a query. */ + (*GenQueriesARB)(1, &queryObject); + (*BeginQueryARB)(GL_SAMPLES_PASSED_ARB, queryObject); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* While we're in the query, check the functions that are supposed + * to return which query we're in and how many bits of resolution + * we get. + */ + (*GetQueryivARB)(GL_SAMPLES_PASSED_ARB, GL_CURRENT_QUERY_ARB, &queryCurrent); + if (queryCurrent != queryObject) { + fprintf(stderr, "%s: current query 0x%x != set query 0x%x\n", + __FUNCTION__, queryCurrent, queryObject); + (*EndQueryARB)(GL_SAMPLES_PASSED_ARB); + (*DeleteQueriesARB)(1, &queryObject); + return GL_FALSE; + } + (*GetQueryivARB)(GL_SAMPLES_PASSED_ARB, GL_QUERY_COUNTER_BITS_ARB, + &queryCounterBits); + if (queryCounterBits < 1) { + fprintf(stderr, "%s: query counter bits is too small (%d)\n", + __FUNCTION__, queryCounterBits); + (*EndQueryARB)(GL_SAMPLES_PASSED_ARB); + (*DeleteQueriesARB)(1, &queryObject); + return GL_FALSE; + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Finish up the query. Since we didn't draw anything, the result + * should be 0 passed samples. + */ + (*EndQueryARB)(GL_SAMPLES_PASSED_ARB); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Routine existence test */ + if (!(*IsQueryARB)(queryObject)) { + fprintf(stderr, "%s: query object 0x%x fails existence test\n", + __FUNCTION__, queryObject); + (*DeleteQueriesARB)(1, &queryObject); + return GL_FALSE; + } + + /* Loop until the query is ready, then get back the result. We use + * the signed query for the boolean value of whether the result is + * available, but the unsigned query to actually pull the result; + * this is just to test both entrypoints, but in a real query you may + * need the extra bit of resolution. + */ + queryReady = GL_FALSE; + do { + (*GetQueryObjectivARB)(queryObject, GL_QUERY_RESULT_AVAILABLE_ARB, + &queryReady); + } while (!queryReady); + (*GetQueryObjectuivARB)(queryObject, GL_QUERY_RESULT_ARB, &querySampleCount); + (*DeleteQueriesARB)(1, &queryObject); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* If sample count isn't 0, something's funny. */ + if (querySampleCount > 0) { + fprintf(stderr, "%s: expected query result of 0, got %ud\n", + __FUNCTION__, querySampleCount); + return GL_FALSE; + } + + /* Here, all is well. */ + return GL_TRUE; +} + +/************************************************************************** * The following functions are used to check that the named OpenGL function * actually does what it's supposed to do. - * The naming of these functions is signficant. The getprocaddress.py script + * The naming of these functions is significant. The getprocaddress.py script * scans this file and extracts these function names. */ +static GLboolean +test_WeightPointerARB(generic_func func) +{ + /* Assume we have at least 2 vertex units (or this extension makes + * no sense), and establish a set of 2-element vector weights. + * We use floats that can be represented exactly in binary + * floating point formats so we can compare correctly later. + * We also make sure the 0th entry matches the default weights, + * so we can restore the default easily. + */ +#define USE_VERTEX_UNITS 2 +#define USE_WEIGHT_INDEX 3 + static GLfloat weights[] = { + 1.0, 0.0, + 0.875, 0.125, + 0.75, 0.25, + 0.625, 0.375, + 0.5, 0.5, + 0.375, 0.625, + 0.25, 0.75, + 0.125, 0.875, + 0.0, 1.0, + }; + GLint numVertexUnits; + GLfloat *currentWeights; + int i; + int errorCount = 0; + + PFNGLWEIGHTPOINTERARBPROC WeightPointerARB = (PFNGLWEIGHTPOINTERARBPROC) func; + + /* Make sure we have at least two vertex units */ + glGetIntegerv(GL_MAX_VERTEX_UNITS_ARB, &numVertexUnits); + if (numVertexUnits < USE_VERTEX_UNITS) { + fprintf(stderr, "%s: need %d vertex units, got %d\n", + __FUNCTION__, USE_VERTEX_UNITS, numVertexUnits); + return GL_FALSE; + } + + /* Make sure we allocate enough room to query all the current weights */ + currentWeights = (GLfloat *)malloc(numVertexUnits * sizeof(GLfloat)); + if (currentWeights == NULL) { + fprintf(stderr, "%s: couldn't allocate room for %d floats\n", + __FUNCTION__, numVertexUnits); + return GL_FALSE; + } + + /* Set up the pointer, enable the state, and try to send down a + * weight vector (we'll arbitrarily send index 2). + */ + (*WeightPointerARB)(USE_VERTEX_UNITS, GL_FLOAT, 0, weights); + glEnableClientState(GL_WEIGHT_ARRAY_ARB); + glArrayElement(USE_WEIGHT_INDEX); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Verify that it changed the current state. */ + glGetFloatv(GL_CURRENT_WEIGHT_ARB, currentWeights); + for (i = 0; i < numVertexUnits; i++) { + if (i < USE_VERTEX_UNITS) { + /* This is one of the units we explicitly set. */ + if (currentWeights[i] != weights[USE_VERTEX_UNITS*USE_WEIGHT_INDEX + i]) { + fprintf(stderr, "%s: current weight at index %d is %f, should be %f\n", + __FUNCTION__, i, currentWeights[i], + weights[USE_VERTEX_UNITS*USE_WEIGHT_INDEX + i]); + errorCount++; + } + } + else { + /* All other weights should be 0. */ + if (currentWeights[i] != 0.0) { + fprintf(stderr, "%s: current weight at index %d is %f, should be %f\n", + __FUNCTION__, i, 0.0, + weights[USE_VERTEX_UNITS*USE_WEIGHT_INDEX + i]); + errorCount++; + } + } + } + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Restore the old state. We know the default set of weights is in + * index 0. + */ + glArrayElement(0); + glDisableClientState(GL_WEIGHT_ARRAY_ARB); + (*WeightPointerARB)(0, GL_FLOAT, 0, NULL); + free(currentWeights); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* We're fine if we didn't get any mismatches. */ + if (errorCount == 0) { + return GL_TRUE; + } + else { + return GL_FALSE; + } +} + +/* Wrappers on the exercise_occlusion_query function */ +static GLboolean +test_GenQueriesARB(generic_func func) +{ + (void) func; + return exercise_occlusion_query(); +} +static GLboolean +test_BeginQueryARB(generic_func func) +{ + (void) func; + return exercise_occlusion_query(); +} +static GLboolean +test_GetQueryivARB(generic_func func) +{ + (void) func; + return exercise_occlusion_query(); +} +static GLboolean +test_EndQueryARB(generic_func func) +{ + (void) func; + return exercise_occlusion_query(); +} +static GLboolean +test_IsQueryARB(generic_func func) +{ + (void) func; + return exercise_occlusion_query(); +} +static GLboolean +test_GetQueryObjectivARB(generic_func func) +{ + (void) func; + return exercise_occlusion_query(); +} +static GLboolean +test_GetQueryObjectuivARB(generic_func func) +{ + (void) func; + return exercise_occlusion_query(); +} +static GLboolean +test_DeleteQueriesARB(generic_func func) +{ + (void) func; + return exercise_occlusion_query(); +} + +/* Wrappers on the exercise_buffer_objects() function */ +static GLboolean +test_GenBuffersARB(generic_func func) +{ + (void) func; + return exercise_buffer_objects(Use_Map_Buffer); +} +static GLboolean +test_BindBufferARB(generic_func func) +{ + (void) func; + return exercise_buffer_objects(Use_Map_Buffer); +} +static GLboolean +test_BufferDataARB(generic_func func) +{ + (void) func; + return exercise_buffer_objects(Use_Map_Buffer); +} +static GLboolean +test_MapBufferARB(generic_func func) +{ + (void) func; + return exercise_buffer_objects(Use_Map_Buffer); +} +static GLboolean +test_UnmapBufferARB(generic_func func) +{ + (void) func; + return exercise_buffer_objects(Use_Map_Buffer); +} +static GLboolean +test_DeleteBuffersARB(generic_func func) +{ + (void) func; + return exercise_buffer_objects(Use_Map_Buffer); +} +static GLboolean +test_GetBufferParameterivARB(generic_func func) +{ + (void) func; + return exercise_buffer_objects(Use_Map_Buffer); +} +static GLboolean +test_FlushMappedBufferRange(generic_func func) +{ + (void) func; + return exercise_buffer_objects(Use_Map_Buffer_Range); +} +static GLboolean +test_MapBufferRange(generic_func func) +{ + (void) func; + return exercise_buffer_objects(Use_Map_Buffer_Range); +} +static GLboolean +test_BufferParameteriAPPLE(generic_func func) +{ + (void) func; + return exercise_buffer_objects(Use_Map_Buffer_Range); +} + +/* Wrappers on the exercise_framebuffer() function */ +static GLboolean +test_BindFramebufferEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_BindRenderbufferEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_CheckFramebufferStatusEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_DeleteFramebuffersEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_DeleteRenderbuffersEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_FramebufferRenderbufferEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_GenFramebuffersEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_GenRenderbuffersEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_IsFramebufferEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_IsRenderbufferEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_RenderbufferStorageEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} +static GLboolean +test_BlitFramebufferEXT(generic_func func) +{ + (void) func; + return exercise_framebuffer(); +} + +/* These are wrappers on the exercise_CompressedTextures function. + * Unfortunately, we cannot test the 1D counterparts, because the + * texture compressions available all support 2D and higher only. + */ +static GLboolean +test_CompressedTexImage2DARB(generic_func func) +{ + (void) func; + return exercise_CompressedTextures(GL_TEXTURE_2D); +} +static GLboolean +test_CompressedTexSubImage2DARB(generic_func func) +{ + (void) func; + return exercise_CompressedTextures(GL_TEXTURE_2D); +} +static GLboolean +test_CompressedTexImage3DARB(generic_func func) +{ + (void) func; + return exercise_CompressedTextures(GL_TEXTURE_3D); +} +static GLboolean +test_CompressedTexSubImage3DARB(generic_func func) +{ + (void) func; + return exercise_CompressedTextures(GL_TEXTURE_3D); +} +static GLboolean +test_GetCompressedTexImageARB(generic_func func) +{ + (void) func; + return exercise_CompressedTextures(GL_TEXTURE_3D); +} + +/* Wrappers on exercise_fences(). */ +static GLboolean +test_DeleteFencesNV(generic_func func) +{ + (void) func; + return exercise_fences(); +} +static GLboolean +test_GenFencesNV(generic_func func) +{ + (void) func; + return exercise_fences(); +} +static GLboolean +test_SetFenceNV(generic_func func) +{ + (void) func; + return exercise_fences(); +} +static GLboolean +test_TestFenceNV(generic_func func) +{ + (void) func; + return exercise_fences(); +} +static GLboolean +test_FinishFenceNV(generic_func func) +{ + (void) func; + return exercise_fences(); +} +static GLboolean +test_GetFenceivNV(generic_func func) +{ + (void) func; + return exercise_fences(); +} +static GLboolean +test_IsFenceNV(generic_func func) +{ + (void) func; + return exercise_fences(); +} + +/* A bunch of glUniform*() tests */ +static GLboolean +test_Uniform1iv(generic_func func) +{ + PFNGLUNIFORM1IVARBPROC Uniform1ivARB = (PFNGLUNIFORM1IVARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformivARB, PFNGLGETUNIFORMIVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform int uniformColor;" + "void main() {gl_FragColor.r = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLint uniform[1] = {1}; + GLint queriedUniform[1]; + + if (GetUniformivARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is an integer + * so we must set it using integer versions + * of the Uniform* functions. The "1" means we're setting + * one vector's worth of information. + */ + (*Uniform1ivARB)(uniformLocation, 1, uniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformivARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_ints(__FUNCTION__, 1, uniform, 1, queriedUniform); +} + +static GLboolean +test_Uniform1i(generic_func func) +{ + PFNGLUNIFORM1IARBPROC Uniform1iARB = (PFNGLUNIFORM1IARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformivARB, PFNGLGETUNIFORMIVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform int uniformColor;" + "void main() {gl_FragColor.r = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLint uniform[1] = {1}; + GLint queriedUniform[4]; + + if (GetUniformivARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is an integer + * so we must set it using integer versions + * of the Uniform* functions. + */ + (*Uniform1iARB)(uniformLocation, uniform[0]); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformivARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_ints(__FUNCTION__, 1, uniform, 1, queriedUniform); +} + +static GLboolean +test_Uniform1fv(generic_func func) +{ + PFNGLUNIFORM1FVARBPROC Uniform1fvARB = (PFNGLUNIFORM1FVARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformfvARB, PFNGLGETUNIFORMFVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform float uniformColor;" + "void main() {gl_FragColor.r = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLfloat uniform[1] = {1.1}; + GLfloat queriedUniform[1]; + + if (GetUniformfvARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is a float + * so we must set it using float versions + * of the Uniform* functions. The "1" means we're setting + * one vector's worth of information. + */ + (*Uniform1fvARB)(uniformLocation, 1, uniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformfvARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_floats(__FUNCTION__, 1, uniform, 1, queriedUniform); +} + +static GLboolean +test_Uniform1f(generic_func func) +{ + PFNGLUNIFORM1FARBPROC Uniform1fARB = (PFNGLUNIFORM1FARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformfvARB, PFNGLGETUNIFORMFVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform float uniformColor;" + "void main() {gl_FragColor.r = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLfloat uniform[1] = {1.1}; + GLfloat queriedUniform[1]; + + if (GetUniformfvARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is a float + * so we must set it using float versions + * of the Uniform* functions. + */ + (*Uniform1fARB)(uniformLocation, uniform[0]); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformfvARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_floats(__FUNCTION__, 1, uniform, 1, queriedUniform); +} + +static GLboolean +test_Uniform2iv(generic_func func) +{ + PFNGLUNIFORM2IVARBPROC Uniform2ivARB = (PFNGLUNIFORM2IVARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformivARB, PFNGLGETUNIFORMIVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform ivec2 uniformColor;" + "void main() {gl_FragColor.rg = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLint uniform[2] = {1,2}; + GLint queriedUniform[2]; + + if (GetUniformivARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is an integer + * vector 2 (ivec2), so we must set it using integer versions + * of the Uniform* functions. The "1" means we're setting + * one vector's worth of information. + */ + (*Uniform2ivARB)(uniformLocation, 1, uniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformivARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_ints(__FUNCTION__, 2, uniform, 2, queriedUniform); +} + +static GLboolean +test_Uniform2i(generic_func func) +{ + PFNGLUNIFORM2IARBPROC Uniform2iARB = (PFNGLUNIFORM2IARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformivARB, PFNGLGETUNIFORMIVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform ivec2 uniformColor;" + "void main() {gl_FragColor.rg = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLint uniform[2] = {1,2}; + GLint queriedUniform[4]; + + if (GetUniformivARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is an integer + * vector 2 (ivec2), so we must set it using integer versions + * of the Uniform* functions. + */ + (*Uniform2iARB)(uniformLocation, uniform[0], uniform[1]); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformivARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_ints(__FUNCTION__, 2, uniform, 2, queriedUniform); +} + +static GLboolean +test_Uniform2fv(generic_func func) +{ + PFNGLUNIFORM2FVARBPROC Uniform2fvARB = (PFNGLUNIFORM2FVARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformfvARB, PFNGLGETUNIFORMFVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform vec2 uniformColor;" + "void main() {gl_FragColor.rg = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLfloat uniform[2] = {1.1,2.2}; + GLfloat queriedUniform[2]; + + if (GetUniformfvARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is a float + * vector 2 (vec2), so we must set it using float versions + * of the Uniform* functions. The "1" means we're setting + * one vector's worth of information. + */ + (*Uniform2fvARB)(uniformLocation, 1, uniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformfvARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_floats(__FUNCTION__, 2, uniform, 2, queriedUniform); +} + +static GLboolean +test_Uniform2f(generic_func func) +{ + PFNGLUNIFORM2FARBPROC Uniform2fARB = (PFNGLUNIFORM2FARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformfvARB, PFNGLGETUNIFORMFVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform vec2 uniformColor;" + "void main() {gl_FragColor.rg = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLfloat uniform[2] = {1.1,2.2}; + GLfloat queriedUniform[2]; + + if (GetUniformfvARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is a float + * vector 2 (vec2), so we must set it using float versions + * of the Uniform* functions. + */ + (*Uniform2fARB)(uniformLocation, uniform[0], uniform[1]); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformfvARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_floats(__FUNCTION__, 2, uniform, 2, queriedUniform); +} + +static GLboolean +test_Uniform3iv(generic_func func) +{ + PFNGLUNIFORM3IVARBPROC Uniform3ivARB = (PFNGLUNIFORM3IVARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformivARB, PFNGLGETUNIFORMIVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform ivec3 uniformColor;" + "void main() {gl_FragColor.rgb = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLint uniform[3] = {1,2,3}; + GLint queriedUniform[3]; + + if (GetUniformivARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is an integer + * vector 3 (ivec3), so we must set it using integer versions + * of the Uniform* functions. The "1" means we're setting + * one vector's worth of information. + */ + (*Uniform3ivARB)(uniformLocation, 1, uniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformivARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_ints(__FUNCTION__, 3, uniform, 3, queriedUniform); +} + +static GLboolean +test_Uniform3i(generic_func func) +{ + PFNGLUNIFORM3IARBPROC Uniform3iARB = (PFNGLUNIFORM3IARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformivARB, PFNGLGETUNIFORMIVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform ivec3 uniformColor;" + "void main() {gl_FragColor.rgb = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLint uniform[3] = {1,2,3}; + GLint queriedUniform[4]; + + if (GetUniformivARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is an integer + * vector 3 (ivec3), so we must set it using integer versions + * of the Uniform* functions. + */ + (*Uniform3iARB)(uniformLocation, uniform[0], uniform[1], uniform[2]); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformivARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_ints(__FUNCTION__, 3, uniform, 3, queriedUniform); +} + +static GLboolean +test_Uniform3fv(generic_func func) +{ + PFNGLUNIFORM3FVARBPROC Uniform3fvARB = (PFNGLUNIFORM3FVARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformfvARB, PFNGLGETUNIFORMFVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform vec3 uniformColor;" + "void main() {gl_FragColor.rgb = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLfloat uniform[3] = {1.1,2.2,3.3}; + GLfloat queriedUniform[3]; + + if (GetUniformfvARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is a float + * vector 3 (vec3), so we must set it using float versions + * of the Uniform* functions. The "1" means we're setting + * one vector's worth of information. + */ + (*Uniform3fvARB)(uniformLocation, 1, uniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformfvARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_floats(__FUNCTION__, 3, uniform, 3, queriedUniform); +} + +static GLboolean +test_Uniform3f(generic_func func) +{ + PFNGLUNIFORM3FARBPROC Uniform3fARB = (PFNGLUNIFORM3FARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformfvARB, PFNGLGETUNIFORMFVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform vec3 uniformColor;" + "void main() {gl_FragColor.rgb = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLfloat uniform[3] = {1.1,2.2,3.3}; + GLfloat queriedUniform[3]; + + if (GetUniformfvARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is a float + * vector 3 (vec3), so we must set it using float versions + * of the Uniform* functions. + */ + (*Uniform3fARB)(uniformLocation, uniform[0], uniform[1], uniform[2]); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformfvARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_floats(__FUNCTION__, 3, uniform, 3, queriedUniform); +} + +static GLboolean +test_Uniform4iv(generic_func func) +{ + PFNGLUNIFORM4IVARBPROC Uniform4ivARB = (PFNGLUNIFORM4IVARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformivARB, PFNGLGETUNIFORMIVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform ivec4 uniformColor; void main() {gl_FragColor = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLint uniform[4] = {1,2,3,4}; + GLint queriedUniform[4]; + + if (GetUniformivARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is an integer + * vector (ivec4), so we must set it using integer versions + * of the Uniform* functions. The "1" means we're setting + * one vector's worth of information. + */ + (*Uniform4ivARB)(uniformLocation, 1, uniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformivARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_ints(__FUNCTION__, 4, uniform, 4, queriedUniform); +} + +static GLboolean +test_Uniform4i(generic_func func) +{ + PFNGLUNIFORM4IARBPROC Uniform4iARB = (PFNGLUNIFORM4IARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformivARB, PFNGLGETUNIFORMIVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform ivec4 uniformColor; void main() {gl_FragColor = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLint uniform[4] = {1,2,3,4}; + GLint queriedUniform[4]; + + if (GetUniformivARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is an integer + * vector (ivec4), so we must set it using integer versions + * of the Uniform* functions. + */ + (*Uniform4iARB)(uniformLocation, uniform[0], uniform[1], uniform[2], + uniform[3]); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformivARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_ints(__FUNCTION__, 4, uniform, 4, queriedUniform); +} + +static GLboolean +test_Uniform4fv(generic_func func) +{ + PFNGLUNIFORM4FVARBPROC Uniform4fvARB = (PFNGLUNIFORM4FVARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformfvARB, PFNGLGETUNIFORMFVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform vec4 uniformColor; void main() {gl_FragColor = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLfloat uniform[4] = {1.1,2.2,3.3,4.4}; + GLfloat queriedUniform[4]; + + if (GetUniformfvARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is a float + * vector (vec4), so we must set it using float versions + * of the Uniform* functions. The "1" means we're setting + * one vector's worth of information. + */ + (*Uniform4fvARB)(uniformLocation, 1, uniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformfvARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_floats(__FUNCTION__, 4, uniform, 4, queriedUniform); +} + +static GLboolean +test_Uniform4f(generic_func func) +{ + PFNGLUNIFORM4FARBPROC Uniform4fARB = (PFNGLUNIFORM4FARBPROC) func; + DECLARE_GLFUNC_PTR(GetUniformfvARB, PFNGLGETUNIFORMFVARBPROC); + + /* This is a trivial fragment shader that sets the color of the + * fragment to the uniform value passed in. + */ + static const char *fragmentShaderText = + "uniform vec4 uniformColor; void main() {gl_FragColor = uniformColor;}"; + static const char *uniformName = "uniformColor"; + + GLhandleARB program; + GLint uniformLocation; + const GLfloat uniform[4] = {1.1,2.2,3.3,4.4}; + GLfloat queriedUniform[4]; + + if (GetUniformfvARB == NULL) { + return GL_FALSE; + } + + /* Call a helper function to compile up the shader and give + * us back the validated program and uniform location. + * If it fails, something's wrong and we can't continue. + */ + if (!exercise_uniform_start(fragmentShaderText, uniformName, + &program, &uniformLocation)) { + return GL_FALSE; + } + + /* Set the value of the program uniform. Note that you must + * use a compatible type. Our uniform above is an integer + * vector (ivec4), so we must set it using integer versions + * of the Uniform* functions. + */ + (*Uniform4fARB)(uniformLocation, uniform[0], uniform[1], uniform[2], + uniform[3]); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Query it back */ + (*GetUniformfvARB)(program, uniformLocation, queriedUniform); + CheckGLError(__LINE__, __FILE__, __FUNCTION__); + + /* Clean up before we check to see whether it came back unscathed */ + exercise_uniform_end(program); + + /* Now check to see whether the uniform came back as expected. This + * will return GL_TRUE if all is well, or GL_FALSE if the comparison failed. + */ + return compare_floats(__FUNCTION__, 4, uniform, 4, queriedUniform); +} static GLboolean test_ActiveTextureARB(generic_func func) @@ -107,6 +2694,40 @@ test_VertexAttrib1fvARB(generic_func func) } static GLboolean +test_VertexAttrib1dvARB(generic_func func) +{ + PFNGLVERTEXATTRIB1DVARBPROC vertexAttrib1dvARB = (PFNGLVERTEXATTRIB1DVARBPROC) func; + PFNGLGETVERTEXATTRIBDVARBPROC getVertexAttribdvARB = (PFNGLGETVERTEXATTRIBDVARBPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvARB"); + + const GLdouble v[1] = {25.0}; + const GLdouble def[1] = {0}; + GLdouble res[4]; + GLboolean pass; + (*vertexAttrib1dvARB)(6, v); + (*getVertexAttribdvARB)(6, GL_CURRENT_VERTEX_ATTRIB_ARB, res); + pass = (res[0] == 25.0 && res[1] == 0.0 && res[2] == 0.0 && res[3] == 1.0); + (*vertexAttrib1dvARB)(6, def); + return pass; +} + +static GLboolean +test_VertexAttrib1svARB(generic_func func) +{ + PFNGLVERTEXATTRIB1SVARBPROC vertexAttrib1svARB = (PFNGLVERTEXATTRIB1SVARBPROC) func; + PFNGLGETVERTEXATTRIBIVARBPROC getVertexAttribivARB = (PFNGLGETVERTEXATTRIBIVARBPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivARB"); + + const GLshort v[1] = {25.0}; + const GLshort def[1] = {0}; + GLint res[4]; + GLboolean pass; + (*vertexAttrib1svARB)(6, v); + (*getVertexAttribivARB)(6, GL_CURRENT_VERTEX_ATTRIB_ARB, res); + pass = (res[0] == 25 && res[1] == 0 && res[2] == 0 && res[3] == 1); + (*vertexAttrib1svARB)(6, def); + return pass; +} + +static GLboolean test_VertexAttrib4NubvARB(generic_func func) { PFNGLVERTEXATTRIB4NUBVARBPROC vertexAttrib4NubvARB = (PFNGLVERTEXATTRIB4NUBVARBPROC) func; @@ -177,7 +2798,6 @@ test_VertexAttrib4NsvARB(generic_func func) return pass; } - static GLboolean test_VertexAttrib4NusvARB(generic_func func) { @@ -195,42 +2815,110 @@ test_VertexAttrib4NusvARB(generic_func func) return pass; } +static GLboolean +test_VertexAttrib1sNV(generic_func func) +{ + PFNGLVERTEXATTRIB1SNVPROC vertexAttrib1sNV = (PFNGLVERTEXATTRIB1SNVPROC) func; + PFNGLGETVERTEXATTRIBIVNVPROC getVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivNV"); + + const GLshort v[4] = {2, 0, 0, 1}; + const GLshort def[4] = {0, 0, 0, 1}; + GLint res[4]; + (*vertexAttrib1sNV)(6, v[0]); + (*getVertexAttribivNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib1sNV)(6, def[0]); + return compare_shorts_to_ints(__FUNCTION__, 4, v, 4, res); +} static GLboolean -test_VertexAttrib4ubNV(generic_func func) +test_VertexAttrib1fNV(generic_func func) { - PFNGLVERTEXATTRIB4UBNVPROC vertexAttrib4ubNV = (PFNGLVERTEXATTRIB4UBNVPROC) func; + PFNGLVERTEXATTRIB1FNVPROC vertexAttrib1fNV = (PFNGLVERTEXATTRIB1FNVPROC) func; PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); - const GLubyte v[4] = {255, 0, 255, 0}; - const GLubyte def[4] = {0, 0, 0, 255}; + const GLfloat v[4] = {2.5, 0.0, 0.0, 1.0}; + const GLfloat def[4] = {0, 0, 0, 1}; GLfloat res[4]; - GLboolean pass; - (*vertexAttrib4ubNV)(6, v[0], v[1], v[2], v[3]); + (*vertexAttrib1fNV)(6, v[0]); (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); - pass = (res[0] == 1.0 && res[1] == 0.0 && res[2] == 1.0 && res[3] == 0.0); - (*vertexAttrib4ubNV)(6, def[0], def[1], def[2], def[3]); - return pass; + (*vertexAttrib1fNV)(6, def[0]); + return compare_floats(__FUNCTION__, 4, v, 4, res); } +static GLboolean +test_VertexAttrib1dNV(generic_func func) +{ + PFNGLVERTEXATTRIB1DNVPROC vertexAttrib1dNV = (PFNGLVERTEXATTRIB1DNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 0.0, 0.0, 1.0}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttrib1dNV)(6, v[0]); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib1dNV)(6, def[0]); + return compare_doubles(__FUNCTION__, 4, v, 4, res); +} static GLboolean test_VertexAttrib2sNV(generic_func func) { PFNGLVERTEXATTRIB2SNVPROC vertexAttrib2sNV = (PFNGLVERTEXATTRIB2SNVPROC) func; + PFNGLGETVERTEXATTRIBIVNVPROC getVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivNV"); + + const GLshort v[4] = {2, 4, 0, 1}; + const GLshort def[4] = {0, 0, 0, 1}; + GLint res[4]; + (*vertexAttrib2sNV)(6, v[0], v[1]); + (*getVertexAttribivNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib2sNV)(6, def[0], def[1]); + return compare_shorts_to_ints(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib2fNV(generic_func func) +{ + PFNGLVERTEXATTRIB2FNVPROC vertexAttrib2fNV = (PFNGLVERTEXATTRIB2FNVPROC) func; PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); - const GLshort v[2] = {2, -4,}; - const GLshort def[2] = {0, 0}; + const GLfloat v[4] = {2.5, 4.25, 0.0, 1.0}; + const GLfloat def[4] = {0, 0, 0, 1}; GLfloat res[4]; - GLboolean pass; - (*vertexAttrib2sNV)(6, v[0], v[1]); + (*vertexAttrib2fNV)(6, v[0], v[1]); (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); - pass = (EQUAL(res[0], 2) && EQUAL(res[1], -4) && EQUAL(res[2], 0) && res[3] == 1.0); - (*vertexAttrib2sNV)(6, def[0], def[1]); - return pass; + (*vertexAttrib2fNV)(6, def[0], def[1]); + return compare_floats(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib2dNV(generic_func func) +{ + PFNGLVERTEXATTRIB2DNVPROC vertexAttrib2dNV = (PFNGLVERTEXATTRIB2DNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 4.25, 0.0, 1.0}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttrib2dNV)(6, v[0], v[1]); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib2dNV)(6, def[0], def[1]); + return compare_doubles(__FUNCTION__, 4, v, 4, res); } +static GLboolean +test_VertexAttrib3sNV(generic_func func) +{ + PFNGLVERTEXATTRIB3SNVPROC vertexAttrib3sNV = (PFNGLVERTEXATTRIB3SNVPROC) func; + PFNGLGETVERTEXATTRIBIVNVPROC getVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivNV"); + + const GLshort v[4] = {2, 4, 7, 1}; + const GLshort def[4] = {0, 0, 0, 1}; + GLint res[4]; + (*vertexAttrib3sNV)(6, v[0], v[1], v[2]); + (*getVertexAttribivNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib3sNV)(6, def[0], def[1], def[2]); + return compare_shorts_to_ints(__FUNCTION__, 4, v, 4, res); +} static GLboolean test_VertexAttrib3fNV(generic_func func) @@ -238,35 +2926,467 @@ test_VertexAttrib3fNV(generic_func func) PFNGLVERTEXATTRIB3FNVPROC vertexAttrib3fNV = (PFNGLVERTEXATTRIB3FNVPROC) func; PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); - const GLfloat v[3] = {0.2, 0.4, 0.8}; - const GLfloat def[3] = {0, 0, 0}; + const GLfloat v[4] = {2.5, 4.25, 7.125, 1.0}; + const GLfloat def[4] = {0, 0, 0, 1}; GLfloat res[4]; - GLboolean pass; (*vertexAttrib3fNV)(6, v[0], v[1], v[2]); (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); - pass = (EQUAL(res[0], 0.2) && EQUAL(res[1], 0.4) && EQUAL(res[2], 0.8) && res[3] == 1.0); (*vertexAttrib3fNV)(6, def[0], def[1], def[2]); - return pass; + return compare_floats(__FUNCTION__, 4, v, 4, res); } +static GLboolean +test_VertexAttrib3dNV(generic_func func) +{ + PFNGLVERTEXATTRIB3DNVPROC vertexAttrib3dNV = (PFNGLVERTEXATTRIB3DNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 4.25, 7.125, 1.0}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttrib3dNV)(6, v[0], v[1], v[2]); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib3dNV)(6, def[0], def[1], def[2]); + return compare_doubles(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib4sNV(generic_func func) +{ + PFNGLVERTEXATTRIB4SNVPROC vertexAttrib4sNV = (PFNGLVERTEXATTRIB4SNVPROC) func; + PFNGLGETVERTEXATTRIBIVNVPROC getVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivNV"); + + const GLshort v[4] = {2, 4, 7, 5}; + const GLshort def[4] = {0, 0, 0, 1}; + GLint res[4]; + (*vertexAttrib4sNV)(6, v[0], v[1], v[2], v[3]); + (*getVertexAttribivNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib4sNV)(6, def[0], def[1], def[2], def[3]); + return compare_shorts_to_ints(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib4fNV(generic_func func) +{ + PFNGLVERTEXATTRIB4FNVPROC vertexAttrib4fNV = (PFNGLVERTEXATTRIB4FNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLfloat v[4] = {2.5, 4.25, 7.125, 5.0625}; + const GLfloat def[4] = {0, 0, 0, 1}; + GLfloat res[4]; + (*vertexAttrib4fNV)(6, v[0], v[1], v[2], v[3]); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib4fNV)(6, def[0], def[1], def[2], def[3]); + return compare_floats(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib4dNV(generic_func func) +{ + PFNGLVERTEXATTRIB4DNVPROC vertexAttrib4dNV = (PFNGLVERTEXATTRIB4DNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 4.25, 7.125, 5.0625}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttrib4dNV)(6, v[0], v[1], v[2], v[3]); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib4dNV)(6, def[0], def[1], def[2], def[3]); + return compare_doubles(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib4ubNV(generic_func func) +{ + PFNGLVERTEXATTRIB4UBNVPROC vertexAttrib4ubNV = (PFNGLVERTEXATTRIB4UBNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLubyte v[4] = {255, 0, 255, 0}; + const GLubyte def[4] = {0, 0, 0, 255}; + GLfloat res[4]; + /* There's no byte-value query; so we use the float-value query. + * Bytes are interpreted as steps between 0 and 1, so the + * expected float values will be 0.0 for byte value 0 and 1.0 for + * byte value 255. + */ + GLfloat expectedResults[4] = {1.0, 0.0, 1.0, 0.0}; + (*vertexAttrib4ubNV)(6, v[0], v[1], v[2], v[3]); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib4ubNV)(6, def[0], def[1], def[2], def[3]); + return compare_floats(__FUNCTION__, 4, expectedResults, 4, res); +} + +static GLboolean +test_VertexAttrib1fvNV(generic_func func) +{ + PFNGLVERTEXATTRIB1FVNVPROC vertexAttrib1fvNV = (PFNGLVERTEXATTRIB1FVNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLfloat v[4] = {2.5, 0.0, 0.0, 1.0}; + const GLfloat def[4] = {0, 0, 0, 1}; + GLfloat res[4]; + (*vertexAttrib1fvNV)(6, v); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib1fvNV)(6, def); + return compare_floats(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib1dvNV(generic_func func) +{ + PFNGLVERTEXATTRIB1DVNVPROC vertexAttrib1dvNV = (PFNGLVERTEXATTRIB1DVNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 0.0, 0.0, 1.0}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttrib1dvNV)(6, v); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib1dvNV)(6, def); + return compare_doubles(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib2svNV(generic_func func) +{ + PFNGLVERTEXATTRIB2SVNVPROC vertexAttrib2svNV = (PFNGLVERTEXATTRIB2SVNVPROC) func; + PFNGLGETVERTEXATTRIBIVNVPROC getVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivNV"); + + const GLshort v[4] = {2, 4, 0, 1}; + const GLshort def[4] = {0, 0, 0, 1}; + GLint res[4]; + (*vertexAttrib2svNV)(6, v); + (*getVertexAttribivNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib2svNV)(6, def); + return compare_shorts_to_ints(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib2fvNV(generic_func func) +{ + PFNGLVERTEXATTRIB2FVNVPROC vertexAttrib2fvNV = (PFNGLVERTEXATTRIB2FVNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLfloat v[4] = {2.5, 4.25, 0.0, 1.0}; + const GLfloat def[4] = {0, 0, 0, 1}; + GLfloat res[4]; + (*vertexAttrib2fvNV)(6, v); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib2fvNV)(6, def); + return compare_floats(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib2dvNV(generic_func func) +{ + PFNGLVERTEXATTRIB2DVNVPROC vertexAttrib2dvNV = (PFNGLVERTEXATTRIB2DVNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 4.25, 0.0, 1.0}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttrib2dvNV)(6, v); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib2dvNV)(6, def); + return compare_doubles(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib3svNV(generic_func func) +{ + PFNGLVERTEXATTRIB3SVNVPROC vertexAttrib3svNV = (PFNGLVERTEXATTRIB3SVNVPROC) func; + PFNGLGETVERTEXATTRIBIVNVPROC getVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivNV"); + + const GLshort v[4] = {2, 4, 7, 1}; + const GLshort def[4] = {0, 0, 0, 1}; + GLint res[4]; + (*vertexAttrib3svNV)(6, v); + (*getVertexAttribivNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib3svNV)(6, def); + return compare_shorts_to_ints(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib3fvNV(generic_func func) +{ + PFNGLVERTEXATTRIB3FVNVPROC vertexAttrib3fvNV = (PFNGLVERTEXATTRIB3FVNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLfloat v[4] = {2.5, 4.25, 7.125, 1.0}; + const GLfloat def[4] = {0, 0, 0, 1}; + GLfloat res[4]; + (*vertexAttrib3fvNV)(6, v); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib3fvNV)(6, def); + return compare_floats(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib3dvNV(generic_func func) +{ + PFNGLVERTEXATTRIB3DVNVPROC vertexAttrib3dvNV = (PFNGLVERTEXATTRIB3DVNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 4.25, 7.125, 1.0}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttrib3dvNV)(6, v); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib3dvNV)(6, def); + return compare_doubles(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib4svNV(generic_func func) +{ + PFNGLVERTEXATTRIB4SVNVPROC vertexAttrib4svNV = (PFNGLVERTEXATTRIB4SVNVPROC) func; + PFNGLGETVERTEXATTRIBIVNVPROC getVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivNV"); + + const GLshort v[4] = {2, 4, 7, 5}; + const GLshort def[4] = {0, 0, 0, 1}; + GLint res[4]; + (*vertexAttrib4svNV)(6, v); + (*getVertexAttribivNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib4svNV)(6, def); + return compare_shorts_to_ints(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib4fvNV(generic_func func) +{ + PFNGLVERTEXATTRIB4FVNVPROC vertexAttrib4fvNV = (PFNGLVERTEXATTRIB4FVNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLfloat v[4] = {2.5, 4.25, 7.125, 5.0625}; + const GLfloat def[4] = {0, 0, 0, 1}; + GLfloat res[4]; + (*vertexAttrib4fvNV)(6, v); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib4fvNV)(6, def); + return compare_floats(__FUNCTION__, 4, v, 4, res); +} static GLboolean test_VertexAttrib4dvNV(generic_func func) { PFNGLVERTEXATTRIB4DVNVPROC vertexAttrib4dvNV = (PFNGLVERTEXATTRIB4DVNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 4.25, 7.125, 5.0625}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttrib4dvNV)(6, v); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib4dvNV)(6, def); + return compare_doubles(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttrib4ubvNV(generic_func func) +{ + PFNGLVERTEXATTRIB4UBVNVPROC vertexAttrib4ubvNV = (PFNGLVERTEXATTRIB4UBVNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLubyte v[4] = {255, 0, 255, 0}; + const GLubyte def[4] = {0, 0, 0, 255}; + GLfloat res[4]; + /* There's no byte-value query; so we use the float-value query. + * Bytes are interpreted as steps between 0 and 1, so the + * expected float values will be 0.0 for byte value 0 and 1.0 for + * byte value 255. + */ + GLfloat expectedResults[4] = {1.0, 0.0, 1.0, 0.0}; + (*vertexAttrib4ubvNV)(6, v); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttrib4ubvNV)(6, def); + return compare_floats(__FUNCTION__, 4, expectedResults, 4, res); +} + +static GLboolean +test_VertexAttribs1fvNV(generic_func func) +{ + PFNGLVERTEXATTRIBS1FVNVPROC vertexAttribs1fvNV = (PFNGLVERTEXATTRIBS1FVNVPROC) func; PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); - const GLdouble v[4] = {0.2, 0.4, 0.8, 1.2}; + const GLfloat v[4] = {2.5, 0.0, 0.0, 1.0}; + const GLfloat def[4] = {0, 0, 0, 1}; + GLfloat res[4]; + (*vertexAttribs1fvNV)(6, 1, v); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs1fvNV)(6, 1, def); + return compare_floats(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttribs1dvNV(generic_func func) +{ + PFNGLVERTEXATTRIBS1DVNVPROC vertexAttribs1dvNV = (PFNGLVERTEXATTRIBS1DVNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 0.0, 0.0, 1.0}; const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttribs1dvNV)(6, 1, v); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs1dvNV)(6, 1, def); + return compare_doubles(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttribs2svNV(generic_func func) +{ + PFNGLVERTEXATTRIBS2SVNVPROC vertexAttribs2svNV = (PFNGLVERTEXATTRIBS2SVNVPROC) func; + PFNGLGETVERTEXATTRIBIVNVPROC getVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivNV"); + + const GLshort v[4] = {2, 4, 0, 1}; + const GLshort def[4] = {0, 0, 0, 1}; + GLint res[4]; + (*vertexAttribs2svNV)(6, 1, v); + (*getVertexAttribivNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs2svNV)(6, 1, def); + return compare_shorts_to_ints(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttribs2fvNV(generic_func func) +{ + PFNGLVERTEXATTRIBS2FVNVPROC vertexAttribs2fvNV = (PFNGLVERTEXATTRIBS2FVNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLfloat v[4] = {2.5, 4.25, 0.0, 1.0}; + const GLfloat def[4] = {0, 0, 0, 1}; GLfloat res[4]; - GLboolean pass; - (*vertexAttrib4dvNV)(6, v); + (*vertexAttribs2fvNV)(6, 1, v); (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); - pass = (EQUAL(res[0], 0.2) && EQUAL(res[1], 0.4) && EQUAL(res[2], 0.8) && EQUAL(res[3], 1.2)); - (*vertexAttrib4dvNV)(6, def); - return pass; + (*vertexAttribs2fvNV)(6, 1, def); + return compare_floats(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttribs2dvNV(generic_func func) +{ + PFNGLVERTEXATTRIBS2DVNVPROC vertexAttribs2dvNV = (PFNGLVERTEXATTRIBS2DVNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 4.25, 0.0, 1.0}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttribs2dvNV)(6, 1, v); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs2dvNV)(6, 1, def); + return compare_doubles(__FUNCTION__, 4, v, 4, res); } +static GLboolean +test_VertexAttribs3svNV(generic_func func) +{ + PFNGLVERTEXATTRIBS3SVNVPROC vertexAttribs3svNV = (PFNGLVERTEXATTRIBS3SVNVPROC) func; + PFNGLGETVERTEXATTRIBIVNVPROC getVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivNV"); + + const GLshort v[4] = {2, 4, 7, 1}; + const GLshort def[4] = {0, 0, 0, 1}; + GLint res[4]; + (*vertexAttribs3svNV)(6, 1, v); + (*getVertexAttribivNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs3svNV)(6, 1, def); + return compare_shorts_to_ints(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttribs3fvNV(generic_func func) +{ + PFNGLVERTEXATTRIBS3FVNVPROC vertexAttribs3fvNV = (PFNGLVERTEXATTRIBS3FVNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLfloat v[4] = {2.5, 4.25, 7.125, 1.0}; + const GLfloat def[4] = {0, 0, 0, 1}; + GLfloat res[4]; + (*vertexAttribs3fvNV)(6, 1, v); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs3fvNV)(6, 1, def); + return compare_floats(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttribs3dvNV(generic_func func) +{ + PFNGLVERTEXATTRIBS3DVNVPROC vertexAttribs3dvNV = (PFNGLVERTEXATTRIBS3DVNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 4.25, 7.125, 1.0}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttribs3dvNV)(6, 1, v); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs3dvNV)(6, 1, def); + return compare_doubles(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttribs4svNV(generic_func func) +{ + PFNGLVERTEXATTRIBS4SVNVPROC vertexAttribs4svNV = (PFNGLVERTEXATTRIBS4SVNVPROC) func; + PFNGLGETVERTEXATTRIBIVNVPROC getVertexAttribivNV = (PFNGLGETVERTEXATTRIBIVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribivNV"); + + const GLshort v[4] = {2, 4, 7, 5}; + const GLshort def[4] = {0, 0, 0, 1}; + GLint res[4]; + (*vertexAttribs4svNV)(6, 1, v); + (*getVertexAttribivNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs4svNV)(6, 1, def); + return compare_shorts_to_ints(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttribs4fvNV(generic_func func) +{ + PFNGLVERTEXATTRIBS4FVNVPROC vertexAttribs4fvNV = (PFNGLVERTEXATTRIBS4FVNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLfloat v[4] = {2.5, 4.25, 7.125, 5.0625}; + const GLfloat def[4] = {0, 0, 0, 1}; + GLfloat res[4]; + (*vertexAttribs4fvNV)(6, 1, v); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs4fvNV)(6, 1, def); + return compare_floats(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttribs4dvNV(generic_func func) +{ + PFNGLVERTEXATTRIBS4DVNVPROC vertexAttribs4dvNV = (PFNGLVERTEXATTRIBS4DVNVPROC) func; + PFNGLGETVERTEXATTRIBDVNVPROC getVertexAttribdvNV = (PFNGLGETVERTEXATTRIBDVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribdvNV"); + + const GLdouble v[4] = {2.5, 4.25, 7.125, 5.0625}; + const GLdouble def[4] = {0, 0, 0, 1}; + GLdouble res[4]; + (*vertexAttribs4dvNV)(6, 1, v); + (*getVertexAttribdvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs4dvNV)(6, 1, def); + return compare_doubles(__FUNCTION__, 4, v, 4, res); +} + +static GLboolean +test_VertexAttribs4ubvNV(generic_func func) +{ + PFNGLVERTEXATTRIBS4UBVNVPROC vertexAttribs4ubvNV = (PFNGLVERTEXATTRIBS4UBVNVPROC) func; + PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV"); + + const GLubyte v[4] = {255, 0, 255, 0}; + const GLubyte def[4] = {0, 0, 0, 255}; + GLfloat res[4]; + /* There's no byte-value query; so we use the float-value query. + * Bytes are interpreted as steps between 0 and 1, so the + * expected float values will be 0.0 for byte value 0 and 1.0 for + * byte value 255. + */ + GLfloat expectedResults[4] = {1.0, 0.0, 1.0, 0.0}; + (*vertexAttribs4ubvNV)(6, 1, v); + (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res); + (*vertexAttribs4ubvNV)(6, 1, def); + return compare_floats(__FUNCTION__, 4, expectedResults, 4, res); +} static GLboolean test_StencilFuncSeparateATI(generic_func func) @@ -387,17 +3507,32 @@ extension_supported(const char *haystack, const char *needle) } -static void +/* Run all the known extension function tests, if the extension is supported. + * Return a count of how many failed. + */ +static int check_functions( const char *extensions ) { struct name_test_pair *entry; - int failures = 0, passes = 0; - int totalFail = 0, totalPass = 0; + int failures = 0, passes = 0, untested = 0; + int totalFail = 0, totalPass = 0, totalUntested = 0, totalUnsupported = 0; int doTests; - + const char *version = (const char *) glGetString(GL_VERSION); + + /* The functions list will have "real" entries (consisting of + * a GL function name and a pointer to an exercise function for + * that GL function), and "group" entries (indicated as + * such by having a "-" as the first character of the name). + * "Group" names always start with the "-" character, and can + * be numeric (e.g. "-1.0", "-2.1"), indicating that a particular + * OpenGL version is required for the following functions; or can be + * an extension name (e.g. "-GL_ARB_multitexture") that means + * that the named extension is required for the following functions. + */ for (entry = functions; entry->name; entry++) { + /* Check if this is a group indicator */ if (entry->name[0] == '-') { - const char *version = (const char *) glGetString(GL_VERSION); + /* A group indicator; check if it's an OpenGL version group */ if (entry->name[1] == '1') { /* check GL version 1.x */ if (version[0] == '1' && @@ -419,14 +3554,27 @@ check_functions( const char *extensions ) /* check if the named extension is available */ doTests = extension_supported(extensions, entry->name+1); } + + /* doTests is now set if we're starting an OpenGL version + * group, and the running OpenGL version is at least the + * version required; or if we're starting an OpenGL extension + * group, and the extension is supported. + */ if (doTests) printf("Testing %s functions\n", entry->name + 1); - totalFail += failures; - totalPass += passes; + + /* Each time we hit a title function, reset the function + * counts. + */ failures = 0; passes = 0; + untested = 0; } else if (doTests) { + /* Here, we know we're trying to exercise a function for + * a supported extension. See whether we have a test for + * it, and try to run it. + */ generic_func funcPtr = (generic_func) glXGetProcAddressARB((const GLubyte *) entry->name); if (funcPtr) { if (entry->test) { @@ -436,21 +3584,36 @@ check_functions( const char *extensions ) if (b) { printf(" Pass\n"); passes++; + totalPass++; } else { printf(" FAIL!!!\n"); failures++; + totalFail++; } } else { - passes++; + untested++; + totalUntested++; } } else { printf(" glXGetProcAddress(%s) failed!\n", entry->name); failures++; + totalFail++; } } + else { + /* Here, we have a function that belongs to a group that + * is known to be unsupported. + */ + totalUnsupported++; + } + + /* Make sure a poor test case doesn't leave any lingering + * OpenGL errors. + */ + CheckGLError(__LINE__, __FILE__, __FUNCTION__); if (doTests && (!(entry+1)->name || (entry+1)->name[0] == '-')) { if (failures > 0) { @@ -459,18 +3622,29 @@ check_functions( const char *extensions ) if (passes > 0) { printf(" %d passed.\n", passes); } + if (untested > 0) { + printf(" %d untested.\n", untested); + } } } - totalFail += failures; - totalPass += passes; printf("-----------------------------\n"); - printf("Total: %d pass %d fail\n", totalPass, totalFail); + printf("Total: %d pass %d fail %d untested %d unsupported %d total\n", + totalPass, totalFail, totalUntested, totalUnsupported, + totalPass + totalFail + totalUntested + totalUnsupported); + + return totalFail; } +/* Return an error code */ +#define ERROR_NONE 0 +#define ERROR_NO_VISUAL 1 +#define ERROR_NO_CONTEXT 2 +#define ERROR_NO_MAKECURRENT 3 +#define ERROR_FAILED 4 -static void +static int print_screen_info(Display *dpy, int scrnum, Bool allowDirect) { Window win; @@ -496,6 +3670,7 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect) GLXContext ctx; XVisualInfo *visinfo; int width = 100, height = 100; + int failures; root = RootWindow(dpy, scrnum); @@ -504,7 +3679,7 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect) visinfo = glXChooseVisual(dpy, scrnum, attribDouble); if (!visinfo) { fprintf(stderr, "Error: couldn't find RGB GLX visual\n"); - return; + return ERROR_NO_VISUAL; } } @@ -521,26 +3696,29 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect) if (!ctx) { fprintf(stderr, "Error: glXCreateContext failed\n"); XDestroyWindow(dpy, win); - return; + return ERROR_NO_CONTEXT; } - if (glXMakeCurrent(dpy, win, ctx)) { - check_functions( (const char *) glGetString(GL_EXTENSIONS) ); - } - else { + if (!glXMakeCurrent(dpy, win, ctx)) { fprintf(stderr, "Error: glXMakeCurrent failed\n"); + glXDestroyContext(dpy, ctx); + XDestroyWindow(dpy, win); + return ERROR_NO_MAKECURRENT; } + failures = check_functions( (const char *) glGetString(GL_EXTENSIONS) ); glXDestroyContext(dpy, ctx); XDestroyWindow(dpy, win); -} + return (failures == 0 ? ERROR_NONE : ERROR_FAILED); +} int main(int argc, char *argv[]) { char *displayName = NULL; Display *dpy; + int returnCode; dpy = XOpenDisplay(displayName); if (!dpy) { @@ -548,9 +3726,9 @@ main(int argc, char *argv[]) return -1; } - print_screen_info(dpy, 0, GL_TRUE); + returnCode = print_screen_info(dpy, 0, GL_TRUE); XCloseDisplay(dpy); - return 0; + return returnCode; } diff --git a/progs/tests/getprocaddress.py b/progs/tests/getprocaddress.py index 8adfc51bd60..699195bd48c 100644 --- a/progs/tests/getprocaddress.py +++ b/progs/tests/getprocaddress.py @@ -52,7 +52,7 @@ static struct name_test_pair functions[] = {""" prev_category = None - for f in api.functionIterateByOffset(): + for f in api.functionIterateByCategory(): [category, num] = api.get_category_for_name( f.name ) if category != prev_category: print ' { "-%s", NULL},' % category diff --git a/progs/tests/getteximage.c b/progs/tests/getteximage.c index e4818a8fabb..71f29b4ac84 100644 --- a/progs/tests/getteximage.c +++ b/progs/tests/getteximage.c @@ -15,7 +15,7 @@ static int Win; static void -TestGetTexImage(void) +TestGetTexImage(GLboolean npot) { GLuint iter; GLubyte *data = (GLubyte *) malloc(1024 * 1024 * 4); @@ -27,8 +27,8 @@ TestGetTexImage(void) for (iter = 0; iter < 8; iter++) { GLint p = (iter % 8) + 3; - GLint w = (1 << p); - GLint h = (1 << p); + GLint w = npot ? (p * 20) : (1 << p); + GLint h = npot ? (p * 10) : (1 << p); GLuint i; GLint level = 0; @@ -83,63 +83,94 @@ ColorsEqual(const GLubyte ref[4], const GLubyte act[4]) static void -TestGetTexImageRTT(void) +TestGetTexImageRTT(GLboolean npot) { GLuint iter; - GLuint fb, tex; - GLint w = 512; - GLint h = 256; - GLint level = 0; - - glGenTextures(1, &tex); - glGenFramebuffersEXT(1, &fb); - - glBindTexture(GL_TEXTURE_2D, tex); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, - GL_RGBA, GL_UNSIGNED_BYTE, NULL); - - glBindFramebuffer(GL_FRAMEBUFFER_EXT, fb); - glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, - GL_TEXTURE_2D, tex, level); printf("Render to texture + glGetTexImage:\n"); - printf(" Testing %d x %d tex image\n", w, h); + for (iter = 0; iter < 8; iter++) { - GLubyte color[4]; - GLubyte *data2 = (GLubyte *) malloc(w * h * 4); - GLuint i; - /* random clear color */ - for (i = 0; i < 4; i++) { - color[i] = rand() % 256; + GLuint fb, tex; + GLint w, h; + GLint level = 0; + + if (npot) { + w = 200 + iter * 40; + h = 200 + iter * 12; + } + else { + w = 4 << iter; + h = 4 << iter; } - glClearColor(color[0] / 255.0, - color[1] / 255.0, - color[2] / 255.0, - color[3] / 255.0); + glGenTextures(1, &tex); + glGenFramebuffersEXT(1, &fb); - glClear(GL_COLOR_BUFFER_BIT); + glBindTexture(GL_TEXTURE_2D, tex); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, + GL_RGBA, GL_UNSIGNED_BYTE, NULL); - /* get */ - glGetTexImage(GL_TEXTURE_2D, level, GL_RGBA, GL_UNSIGNED_BYTE, data2); + glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb); + glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, + GL_TEXTURE_2D, tex, level); - /* compare */ - for (i = 0; i < w * h; i += 4) { - if (!ColorsEqual(color, data2 + i * 4)) { - printf("Render to texture failure!\n"); - abort(); + glViewport(0, 0, w, h); + + printf(" Testing %d x %d tex image\n", w, h); + { + static const GLubyte blue[4] = {0, 0, 255, 255}; + GLubyte color[4]; + GLubyte *data2 = (GLubyte *) malloc(w * h * 4); + GLuint i; + + /* random clear color */ + for (i = 0; i < 4; i++) { + color[i] = rand() % 256; + } + + glClearColor(color[0] / 255.0, + color[1] / 255.0, + color[2] / 255.0, + color[3] / 255.0); + + glClear(GL_COLOR_BUFFER_BIT); + + /* draw polygon over top half, in blue */ + glColor4ubv(blue); + glRectf(0, 0.5, 1.0, 1.0); + + /* get */ + glGetTexImage(GL_TEXTURE_2D, level, GL_RGBA, GL_UNSIGNED_BYTE, data2); + + /* compare */ + for (i = 0; i < w * h; i += 4) { + if (i < w * h / 2) { + /* lower half */ + if (!ColorsEqual(color, data2 + i * 4)) { + printf("Render to texture failure (expected clear color)!\n"); + abort(); + } + } + else { + /* upper half */ + if (!ColorsEqual(blue, data2 + i * 4)) { + printf("Render to texture failure (expected blue)!\n"); + abort(); + } + } } + + free(data2); } - free(data2); - } + glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); + glDeleteFramebuffersEXT(1, &fb); + glDeleteTextures(1, &tex); - glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0); - glDeleteFramebuffersEXT(1, &fb); - glDeleteTextures(1, &tex); + } printf("Passed\n"); } @@ -152,11 +183,16 @@ Draw(void) { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - TestGetTexImage(); + TestGetTexImage(GL_FALSE); + if (glutExtensionSupported("GL_ARB_texture_non_power_of_two")) + TestGetTexImage(GL_TRUE); if (glutExtensionSupported("GL_EXT_framebuffer_object") || - glutExtensionSupported("GL_ARB_framebuffer_object")) - TestGetTexImageRTT(); + glutExtensionSupported("GL_ARB_framebuffer_object")) { + TestGetTexImageRTT(GL_FALSE); + if (glutExtensionSupported("GL_ARB_texture_non_power_of_two")) + TestGetTexImageRTT(GL_TRUE); + } glutDestroyWindow(Win); exit(0); @@ -171,10 +207,10 @@ Reshape(int width, int height) glViewport(0, 0, width, height); glMatrixMode(GL_PROJECTION); glLoadIdentity(); - glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0); + glOrtho(0, 1, 0, 1, -1, 1); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); - glTranslatef(0.0, 0.0, -15.0); + glTranslatef(0.0, 0.0, 0.0); } diff --git a/progs/tests/texcompsub.c b/progs/tests/texcompsub.c index 79a5f958a12..50106bf1e22 100644 --- a/progs/tests/texcompsub.c +++ b/progs/tests/texcompsub.c @@ -6,6 +6,7 @@ #include <assert.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> #include <GL/glew.h> #include <GL/glut.h> @@ -31,6 +32,8 @@ CheckError(int line) static void LoadCompressedImage(void) { + unsigned char ImgDataTemp[ImgSize / 4]; + unsigned i; const GLenum filter = GL_LINEAR; glTexImage2D(Target, 0, CompFormat, ImgWidth, ImgHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); @@ -40,11 +43,24 @@ LoadCompressedImage(void) 0, 0, /* pos */ ImgWidth, ImgHeight / 2, CompFormat, ImgSize / 2, ImgData + ImgSize / 2); - /* top half */ + + /* top left */ + for (i = 0; i < ImgHeight / 8; i++) { + memcpy(&ImgDataTemp[i * ImgWidth], &ImgData[i * 2 * ImgWidth], ImgWidth); + } glCompressedTexSubImage2DARB(Target, 0, 0, ImgHeight / 2, /* pos */ - ImgWidth, ImgHeight / 2, - CompFormat, ImgSize / 2, ImgData); + ImgWidth / 2, ImgHeight / 2, + CompFormat, ImgSize / 4, ImgDataTemp); + + /* top right */ + for (i = 0; i < ImgHeight / 8; i++) { + memcpy(&ImgDataTemp[i * ImgWidth], &ImgData[i * 2 * ImgWidth + ImgWidth], ImgWidth); + } + glCompressedTexSubImage2DARB(Target, 0, + ImgWidth / 2, ImgHeight / 2, /* pos */ + ImgWidth / 2, ImgHeight / 2, + CompFormat, ImgSize / 4, ImgDataTemp); glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, filter); glTexParameteri(Target, GL_TEXTURE_MAG_FILTER, filter); diff --git a/progs/tests/texwrap.c b/progs/tests/texwrap.c index 12f045b72e0..92c8a2f14c2 100644 --- a/progs/tests/texwrap.c +++ b/progs/tests/texwrap.c @@ -258,8 +258,26 @@ static void Init( void ) } glBindTexture(GL_TEXTURE_2D, BORDER_TEXTURE); +#ifdef TEST_PBO_DLIST + /* test fetching teximage from PBO in display list */ + { + GLuint b = 42, l = 10; + + glBindBufferARB(GL_PIXEL_UNPACK_BUFFER, b); + glBufferDataARB(GL_PIXEL_UNPACK_BUFFER, sizeof(BorderImage), + BorderImage, GL_STREAM_DRAW); + + glNewList(l, GL_COMPILE); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SIZE+2, SIZE+2, 1, + GL_RGBA, GL_UNSIGNED_BYTE, (void *) 0/* BorderImage*/); + glEndList(); + glCallList(l); + glBindBufferARB(GL_PIXEL_UNPACK_BUFFER, 0); + } +#else glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SIZE+2, SIZE+2, 1, GL_RGBA, GL_UNSIGNED_BYTE, (void *) BorderImage); +#endif for (i = 0; i < SIZE; i++) { for (j = 0; j < SIZE; j++) { diff --git a/progs/trivial/.gitignore b/progs/trivial/.gitignore index dce733a70ae..4d6e405c500 100644 --- a/progs/trivial/.gitignore +++ b/progs/trivial/.gitignore @@ -5,10 +5,17 @@ clear-random clear-repeat clear-scissor clear-undefined +createwin +dlist-begin-call-end dlist-dangling dlist-degenerate dlist-edgeflag dlist-edgeflag-dangling +dlist-flat-tri +dlist-mat-tri +dlist-recursive-call +dlist-tri-flat-tri +dlist-tri-mat-tri draw2arrays drawarrays drawelements @@ -31,6 +38,7 @@ lineloop lineloop-clip lineloop-elts linestrip +linestrip-clip linestrip-flat-stipple linestrip-stipple linestrip-stipple-wide @@ -71,8 +79,10 @@ quadstrip-cont quadstrip-flat readtex.c readtex.h +readpixels tri tri-alpha +tri-alpha-tex tri-array-interleaved tri-blend tri-blend-color @@ -80,6 +90,7 @@ tri-blend-max tri-blend-min tri-blend-revsub tri-blend-sub +tri-clear tri-clip tri-cull tri-cull-both @@ -94,6 +105,7 @@ tri-fog tri-fp tri-fp-const-imm tri-lit +tri-lit-material tri-logicop-none tri-logicop-xor tri-mask-tri @@ -102,6 +114,7 @@ tri-orig tri-query tri-repeat tri-scissor-tri +tri-square tri-stencil tri-stipple tri-tex @@ -111,6 +124,7 @@ tri-unfilled tri-unfilled-clip tri-unfilled-edgeflag tri-unfilled-fog +tri-unfilled-point tri-unfilled-smooth tri-unfilled-tri tri-unfilled-tri-lit @@ -119,6 +133,7 @@ tri-unfilled-userclip-stip tri-userclip tri-viewport tri-z +tri-z-9 tri-z-eq trifan trifan-flat diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile index 3bd8faff99a..70728616d28 100644 --- a/progs/trivial/Makefile +++ b/progs/trivial/Makefile @@ -18,6 +18,7 @@ SOURCES = \ clear-repeat.c \ clear-random.c \ clear.c \ + createwin.c \ dlist-dangling.c \ dlist-flat-tri.c \ dlist-mat-tri.c \ @@ -48,6 +49,7 @@ SOURCES = \ lineloop-clip.c \ lineloop-elts.c \ lineloop.c \ + linestrip-clip.c \ linestrip-flat-stipple.c \ linestrip-stipple-wide.c \ linestrip-stipple.c \ @@ -87,7 +89,9 @@ SOURCES = \ quadstrip-cont.c \ quadstrip-flat.c \ quadstrip.c \ + readpixels.c \ tri-alpha.c \ + tri-alpha-tex.c \ tri-array-interleaved.c \ tri-blend-color.c \ tri-blend-max.c \ @@ -95,6 +99,7 @@ SOURCES = \ tri-blend-revsub.c \ tri-blend-sub.c \ tri-blend.c \ + tri-clear.c \ tri-clip.c \ tri-cull-both.c \ tri-cull.c \ @@ -117,6 +122,7 @@ SOURCES = \ tri-query.c \ tri-repeat.c \ tri-scissor-tri.c \ + tri-square.c \ tri-stencil.c \ tri-stipple.c \ tri-multitex-vbo.c \ @@ -126,6 +132,7 @@ SOURCES = \ tri-unfilled-fog.c \ tri-unfilled-edgeflag.c \ tri-unfilled-clip.c \ + tri-unfilled-point.c \ tri-unfilled-smooth.c \ tri-unfilled-tri.c \ tri-unfilled-tri-lit.c \ @@ -134,6 +141,7 @@ SOURCES = \ tri-unfilled.c \ tri-userclip.c \ tri-viewport.c \ + tri-z-9.c \ tri-z-eq.c \ tri-z.c \ tri.c \ diff --git a/progs/util/shaderutil.c b/progs/util/shaderutil.c index 13b68d90e0b..489e71cc30c 100644 --- a/progs/util/shaderutil.c +++ b/progs/util/shaderutil.c @@ -9,21 +9,12 @@ #include <assert.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> #include <GL/glew.h> #include <GL/glut.h> #include "shaderutil.h" -static void -Init(void) -{ - static GLboolean firstCall = GL_TRUE; - if (firstCall) { - firstCall = GL_FALSE; - } -} - - GLboolean ShadersSupported(void) { @@ -47,8 +38,6 @@ CompileShaderText(GLenum shaderType, const char *text) GLuint shader; GLint stat; - Init(); - shader = glCreateShader(shaderType); glShaderSource(shader, 1, (const GLchar **) &text, NULL); glCompileShader(shader); @@ -79,9 +68,6 @@ CompileShaderFile(GLenum shaderType, const char *filename) GLuint shader; FILE *f; - Init(); - - f = fopen(filename, "r"); if (!f) { fprintf(stderr, "Unable to open shader file %s\n", filename); @@ -136,7 +122,7 @@ LinkShaders(GLuint vertShader, GLuint fragShader) void -InitUniforms(GLuint program, struct uniform_info uniforms[]) +SetUniformValues(GLuint program, struct uniform_info uniforms[]) { GLuint i; @@ -144,28 +130,133 @@ InitUniforms(GLuint program, struct uniform_info uniforms[]) uniforms[i].location = glGetUniformLocation(program, uniforms[i].name); - printf("Uniform %s location: %d\n", uniforms[i].name, - uniforms[i].location); - - switch (uniforms[i].size) { - case 1: - if (uniforms[i].type == GL_INT) - glUniform1i(uniforms[i].location, - (GLint) uniforms[i].value[0]); - else - glUniform1fv(uniforms[i].location, 1, uniforms[i].value); + switch (uniforms[i].type) { + case GL_INT: + case GL_SAMPLER_1D: + case GL_SAMPLER_2D: + case GL_SAMPLER_3D: + case GL_SAMPLER_CUBE: + case GL_SAMPLER_2D_RECT_ARB: + glUniform1i(uniforms[i].location, + (GLint) uniforms[i].value[0]); + break; + case GL_FLOAT: + glUniform1fv(uniforms[i].location, 1, uniforms[i].value); break; - case 2: + case GL_FLOAT_VEC2: glUniform2fv(uniforms[i].location, 1, uniforms[i].value); break; - case 3: + case GL_FLOAT_VEC3: glUniform3fv(uniforms[i].location, 1, uniforms[i].value); break; - case 4: + case GL_FLOAT_VEC4: glUniform4fv(uniforms[i].location, 1, uniforms[i].value); break; default: - abort(); + if (strncmp(uniforms[i].name, "gl_", 3) == 0) { + /* built-in uniform: ignore */ + } + else { + fprintf(stderr, + "Unexpected uniform data type in SetUniformValues\n"); + abort(); + } } } } + + +/** Get list of uniforms used in the program */ +GLuint +GetUniforms(GLuint program, struct uniform_info uniforms[]) +{ + GLint n, max, i; + + glGetProgramiv(program, GL_ACTIVE_UNIFORMS, &n); + glGetProgramiv(program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max); + + for (i = 0; i < n; i++) { + GLint size, len; + GLenum type; + char name[100]; + + glGetActiveUniform(program, i, 100, &len, &size, &type, name); + + uniforms[i].name = strdup(name); + uniforms[i].size = size; + uniforms[i].type = type; + uniforms[i].location = glGetUniformLocation(program, name); + } + + uniforms[i].name = NULL; /* end of list */ + + return n; +} + + +void +PrintUniforms(const struct uniform_info uniforms[]) +{ + GLint i; + + printf("Uniforms:\n"); + + for (i = 0; uniforms[i].name; i++) { + printf(" %d: %s size=%d type=0x%x loc=%d value=%g, %g, %g, %g\n", + i, + uniforms[i].name, + uniforms[i].size, + uniforms[i].type, + uniforms[i].location, + uniforms[i].value[0], + uniforms[i].value[1], + uniforms[i].value[2], + uniforms[i].value[3]); + } +} + + +/** Get list of attribs used in the program */ +GLuint +GetAttribs(GLuint program, struct attrib_info attribs[]) +{ + GLint n, max, i; + + glGetProgramiv(program, GL_ACTIVE_ATTRIBUTES, &n); + glGetProgramiv(program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max); + + for (i = 0; i < n; i++) { + GLint size, len; + GLenum type; + char name[100]; + + glGetActiveAttrib(program, i, 100, &len, &size, &type, name); + + attribs[i].name = strdup(name); + attribs[i].size = size; + attribs[i].type = type; + attribs[i].location = glGetAttribLocation(program, name); + } + + attribs[i].name = NULL; /* end of list */ + + return n; +} + + +void +PrintAttribs(const struct attrib_info attribs[]) +{ + GLint i; + + printf("Attribs:\n"); + + for (i = 0; attribs[i].name; i++) { + printf(" %d: %s size=%d type=0x%x loc=%d\n", + i, + attribs[i].name, + attribs[i].size, + attribs[i].type, + attribs[i].location); + } +} diff --git a/progs/util/shaderutil.h b/progs/util/shaderutil.h index cfb8c1f3b06..0a6be026759 100644 --- a/progs/util/shaderutil.h +++ b/progs/util/shaderutil.h @@ -6,8 +6,8 @@ struct uniform_info { const char *name; - GLuint size; - GLenum type; /**< GL_FLOAT or GL_INT */ + GLuint size; /**< number of value[] elements: 1, 2, 3 or 4 */ + GLenum type; /**< GL_FLOAT, GL_FLOAT_VEC4, GL_INT, etc */ GLfloat value[4]; GLint location; /**< filled in by InitUniforms() */ }; @@ -15,6 +15,15 @@ struct uniform_info #define END_OF_UNIFORMS { NULL, 0, GL_NONE, { 0, 0, 0, 0 }, -1 } +struct attrib_info +{ + const char *name; + GLuint size; /**< number of value[] elements: 1, 2, 3 or 4 */ + GLenum type; /**< GL_FLOAT, GL_FLOAT_VEC4, GL_INT, etc */ + GLint location; +}; + + extern GLboolean ShadersSupported(void); @@ -28,7 +37,18 @@ extern GLuint LinkShaders(GLuint vertShader, GLuint fragShader); extern void -InitUniforms(GLuint program, struct uniform_info uniforms[]); +SetUniformValues(GLuint program, struct uniform_info uniforms[]); + +extern GLuint +GetUniforms(GLuint program, struct uniform_info uniforms[]); + +extern void +PrintUniforms(const struct uniform_info uniforms[]); +extern GLuint +GetAttribs(GLuint program, struct attrib_info attribs[]); + +extern void +PrintAttribs(const struct attrib_info attribs[]); #endif /* SHADER_UTIL_H */ diff --git a/progs/vp/arl-static.txt b/progs/vp/arl-static.txt index aea87b79a49..83aebf689ea 100644 --- a/progs/vp/arl-static.txt +++ b/progs/vp/arl-static.txt @@ -1,5 +1,5 @@ !!ARBvp1.0 -PARAM arr[5] = { {.0,.1,.2,.3}, {.4,.5,.6,.7}, {.8,.9,.10,.1}, {.12,.3,.4,.14}, {.5,.8,.1,.9}, {.2,0,.4,.1}, {.6,.1,.8,.9}}; +PARAM arr[7] = { {.0,.1,.2,.3}, {.4,.5,.6,.7}, {.8,.9,.10,.1}, {.12,.3,.4,.14}, {.5,.8,.1,.9}, {.2,0,.4,.1}, {.6,.1,.8,.9}}; ADDRESS addr; ARL addr.x, {3}.x; MOV result.color, arr[addr.x]; diff --git a/progs/vp/arl-unused.txt b/progs/vp/arl-unused.txt index 7bdbb8e86c7..c2afe3c0924 100644 --- a/progs/vp/arl-unused.txt +++ b/progs/vp/arl-unused.txt @@ -1,5 +1,5 @@ !!ARBvp1.0 -PARAM arr[5] = { {.0,.1,.2,.3}, {.4,.5,.6,.7}, {.8,.9,.10,.1}, {.12,.3,.4,.14}, {.5,.8,.1,.9}, {.2,0,.4,.1}, {.6,.1,.8,.9}}; +PARAM arr[7] = { {.0,.1,.2,.3}, {.4,.5,.6,.7}, {.8,.9,.10,.1}, {.12,.3,.4,.14}, {.5,.8,.1,.9}, {.2,0,.4,.1}, {.6,.1,.8,.9}}; ADDRESS addr; ARL addr.x, {3}.x; # not actually used MOV result.color, arr[3]; diff --git a/progs/xdemos/Makefile b/progs/xdemos/Makefile index 6581df80398..53e1c54ef3c 100644 --- a/progs/xdemos/Makefile +++ b/progs/xdemos/Makefile @@ -26,6 +26,7 @@ PROGS = \ glxsnoop \ glxswapcontrol \ manywin \ + multictx \ offset \ overlay \ pbinfo \ diff --git a/progs/xdemos/glxcontexts.c b/progs/xdemos/glxcontexts.c index 481749be3d8..9f83679acd3 100644 --- a/progs/xdemos/glxcontexts.c +++ b/progs/xdemos/glxcontexts.c @@ -378,6 +378,9 @@ make_window( Display *dpy, const char *name, scrnum = DefaultScreen( dpy ); root = RootWindow( dpy, scrnum ); + if (visinfo) + XFree(visinfo); + visinfo = glXChooseVisual( dpy, scrnum, attribs ); if (!visinfo) { printf("Error: couldn't get an RGB, Double-buffered visual\n"); diff --git a/progs/xdemos/glxgears.c b/progs/xdemos/glxgears.c index bc84ee3dbd2..088f25a357a 100644 --- a/progs/xdemos/glxgears.c +++ b/progs/xdemos/glxgears.c @@ -23,10 +23,7 @@ * This is a port of the infamous "gears" demo to straight GLX (i.e. no GLUT) * Port by Brian Paul 23 March 2001 * - * Command line options: - * -info print GL implementation information - * -stereo use stereo enabled GLX visual - * + * See usage() below for command line options. */ @@ -45,10 +42,6 @@ typedef int (*PFNGLXGETSWAPINTERVALMESAPROC)(void); #endif -static int is_glx_extension_supported(Display *dpy, const char *query); - -static void query_vsync(Display *dpy); - #define BENCHMARK #ifdef BENCHMARK @@ -572,7 +565,7 @@ make_window( Display *dpy, const char *name, /** * Determine whether or not a GLX extension is supported. */ -int +static int is_glx_extension_supported(Display *dpy, const char *query) { const int scrnum = DefaultScreen(dpy); @@ -592,7 +585,7 @@ is_glx_extension_supported(Display *dpy, const char *query) /** * Attempt to determine whether or not the display is synched to vblank. */ -void +static void query_vsync(Display *dpy) { int interval = 0; diff --git a/progs/xdemos/glxswapcontrol.c b/progs/xdemos/glxswapcontrol.c index df9f7ad784b..cd60d460a06 100644 --- a/progs/xdemos/glxswapcontrol.c +++ b/progs/xdemos/glxswapcontrol.c @@ -587,6 +587,9 @@ event_loop(Display *dpy, Window win) angle += 2.0; draw(); + + glXSwapBuffers(dpy, win); + if ( get_frame_usage != NULL ) { GLfloat temp; @@ -594,8 +597,6 @@ event_loop(Display *dpy, Window win) frame_usage += temp; } - glXSwapBuffers(dpy, win); - /* calc framerate */ { static int t0 = -1; diff --git a/progs/xdemos/multictx.c b/progs/xdemos/multictx.c new file mode 100644 index 00000000000..75255b28605 --- /dev/null +++ b/progs/xdemos/multictx.c @@ -0,0 +1,585 @@ +/* + * Copyright (C) 2009 VMware, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * Test rendering with two contexts into one window. + * Setup different rendering state for each context to check that + * context switching is handled properly. + * + * Brian Paul + * 6 Aug 2009 + */ + + +#include <math.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <sys/time.h> +#include <unistd.h> +#include <X11/Xlib.h> +#include <X11/keysym.h> +#include <GL/gl.h> +#include <GL/glx.h> + + + +#ifndef M_PI +#define M_PI 3.14159265 +#endif + + +/** Event handler results: */ +#define NOP 0 +#define EXIT 1 +#define DRAW 2 + +static GLfloat view_rotx = 0.0, view_roty = 210.0, view_rotz = 0.0; +static GLint gear1, gear2; +static GLfloat angle = 0.0; + +static GLboolean animate = GL_TRUE; /* Animation */ + + +static double +current_time(void) +{ + struct timeval tv; +#ifdef __VMS + (void) gettimeofday(&tv, NULL ); +#else + struct timezone tz; + (void) gettimeofday(&tv, &tz); +#endif + return (double) tv.tv_sec + tv.tv_usec / 1000000.0; +} + + +/* + * + * Draw a gear wheel. You'll probably want to call this function when + * building a display list since we do a lot of trig here. + * + * Input: inner_radius - radius of hole at center + * outer_radius - radius at center of teeth + * width - width of gear + * teeth - number of teeth + * tooth_depth - depth of tooth + */ +static void +gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width, + GLint teeth, GLfloat tooth_depth) +{ + GLint i; + GLfloat r0, r1, r2; + GLfloat angle, da; + GLfloat u, v, len; + + r0 = inner_radius; + r1 = outer_radius - tooth_depth / 2.0; + r2 = outer_radius + tooth_depth / 2.0; + + da = 2.0 * M_PI / teeth / 4.0; + + glShadeModel(GL_FLAT); + + glNormal3f(0.0, 0.0, 1.0); + + /* draw front face */ + glBegin(GL_QUAD_STRIP); + for (i = 0; i <= teeth; i++) { + angle = i * 2.0 * M_PI / teeth; + glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5); + glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5); + if (i < teeth) { + glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5); + glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), + width * 0.5); + } + } + glEnd(); + + /* draw front sides of teeth */ + glBegin(GL_QUADS); + da = 2.0 * M_PI / teeth / 4.0; + for (i = 0; i < teeth; i++) { + angle = i * 2.0 * M_PI / teeth; + + glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5); + glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5); + glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), + width * 0.5); + glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), + width * 0.5); + } + glEnd(); + + glNormal3f(0.0, 0.0, -1.0); + + /* draw back face */ + glBegin(GL_QUAD_STRIP); + for (i = 0; i <= teeth; i++) { + angle = i * 2.0 * M_PI / teeth; + glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5); + glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5); + if (i < teeth) { + glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), + -width * 0.5); + glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5); + } + } + glEnd(); + + /* draw back sides of teeth */ + glBegin(GL_QUADS); + da = 2.0 * M_PI / teeth / 4.0; + for (i = 0; i < teeth; i++) { + angle = i * 2.0 * M_PI / teeth; + + glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), + -width * 0.5); + glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), + -width * 0.5); + glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5); + glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5); + } + glEnd(); + + /* draw outward faces of teeth */ + glBegin(GL_QUAD_STRIP); + for (i = 0; i < teeth; i++) { + angle = i * 2.0 * M_PI / teeth; + + glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5); + glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5); + u = r2 * cos(angle + da) - r1 * cos(angle); + v = r2 * sin(angle + da) - r1 * sin(angle); + len = sqrt(u * u + v * v); + u /= len; + v /= len; + glNormal3f(v, -u, 0.0); + glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5); + glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5); + glNormal3f(cos(angle), sin(angle), 0.0); + glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), + width * 0.5); + glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), + -width * 0.5); + u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da); + v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da); + glNormal3f(v, -u, 0.0); + glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), + width * 0.5); + glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), + -width * 0.5); + glNormal3f(cos(angle), sin(angle), 0.0); + } + + glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5); + glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5); + + glEnd(); + + glShadeModel(GL_SMOOTH); + + /* draw inside radius cylinder */ + glBegin(GL_QUAD_STRIP); + for (i = 0; i <= teeth; i++) { + angle = i * 2.0 * M_PI / teeth; + glNormal3f(-cos(angle), -sin(angle), 0.0); + glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5); + glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5); + } + glEnd(); +} + + +static void +draw(int ctx) +{ + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + glPushMatrix(); + glRotatef(view_rotx, 1.0, 0.0, 0.0); + glRotatef(view_roty + angle, 0.0, 1.0, 0.0); + glRotatef(view_rotz, 0.0, 0.0, 1.0); + + if (ctx == 0) { + glDisable(GL_CULL_FACE); + glPushMatrix(); + glRotatef(angle, 0.0, 0.0, 1.0); + glCallList(gear1); + glPopMatrix(); + /* This should not effect the other context's rendering */ + glEnable(GL_CULL_FACE); + glCullFace(GL_FRONT_AND_BACK); + } + else { + glPushMatrix(); + glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0); + glCallList(gear2); + glPopMatrix(); + } + + glPopMatrix(); + + /* this flush is important since we'll be switching contexts next */ + glFlush(); +} + + + +static void +draw_frame(Display *dpy, Window win, GLXContext ctx1, GLXContext ctx2) +{ + static double tRot0 = -1.0; + double dt, t = current_time(); + + if (tRot0 < 0.0) + tRot0 = t; + dt = t - tRot0; + tRot0 = t; + + if (animate) { + /* advance rotation for next frame */ + angle += 70.0 * dt; /* 70 degrees per second */ + if (angle > 3600.0) + angle -= 3600.0; + } + + glXMakeCurrent(dpy, (GLXDrawable) win, ctx1); + draw(0); + + glXMakeCurrent(dpy, (GLXDrawable) win, ctx2); + draw(1); + + glXSwapBuffers(dpy, win); +} + + +/* new window size or exposure */ +static void +reshape(Display *dpy, Window win, + GLXContext ctx1, GLXContext ctx2, int width, int height) +{ + int i; + + width /= 2; + + /* loop: left half of window, right half of window */ + for (i = 0; i < 2; i++) { + if (i == 0) + glXMakeCurrent(dpy, win, ctx1); + else + glXMakeCurrent(dpy, win, ctx2); + + glViewport(width * i, 0, width, height); + glScissor(width * i, 0, width, height); + + { + GLfloat h = (GLfloat) height / (GLfloat) width; + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0); + } + + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(0.0, 0.0, -30.0); + } +} + + + +static void +init(Display *dpy, Window win, GLXContext ctx1, GLXContext ctx2) +{ + static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 }; + static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 }; + static GLfloat green[4] = { 0.0, 0.8, 0.2, 0.5 }; + /*static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };*/ + + /* first ctx */ + { + static GLuint stipple[32] = { + 0x00ff00ff, 0x00ff00ff, 0x00ff00ff, 0x00ff00ff, + 0x00ff00ff, 0x00ff00ff, 0x00ff00ff, 0x00ff00ff, + + 0xff00ff00, 0xff00ff00, 0xff00ff00, 0xff00ff00, + 0xff00ff00, 0xff00ff00, 0xff00ff00, 0xff00ff00, + + 0x00ff00ff, 0x00ff00ff, 0x00ff00ff, 0x00ff00ff, + 0x00ff00ff, 0x00ff00ff, 0x00ff00ff, 0x00ff00ff, + + 0xff00ff00, 0xff00ff00, 0xff00ff00, 0xff00ff00, + 0xff00ff00, 0xff00ff00, 0xff00ff00, 0xff00ff00 + }; + + glXMakeCurrent(dpy, win, ctx1); + + glLightfv(GL_LIGHT0, GL_POSITION, pos); + glEnable(GL_LIGHTING); + glEnable(GL_LIGHT0); + glEnable(GL_DEPTH_TEST); + + gear1 = glGenLists(1); + glNewList(gear1, GL_COMPILE); + glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red); + gear(1.0, 4.0, 1.0, 20, 0.7); + glEndList(); + + glEnable(GL_NORMALIZE); + glEnable(GL_SCISSOR_TEST); + glClearColor(0.4, 0.4, 0.4, 1.0); + + glPolygonStipple((GLubyte *) stipple); + glEnable(GL_POLYGON_STIPPLE); + } + + /* second ctx */ + { + glXMakeCurrent(dpy, win, ctx2); + + glLightfv(GL_LIGHT0, GL_POSITION, pos); + glEnable(GL_LIGHTING); + glEnable(GL_LIGHT0); + glEnable(GL_DEPTH_TEST); + + gear2 = glGenLists(1); + glNewList(gear2, GL_COMPILE); + glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green); + gear(1.5, 3.0, 1.5, 16, 0.7); + glEndList(); + + glEnable(GL_NORMALIZE); + glEnable(GL_SCISSOR_TEST); + glClearColor(0.6, 0.6, 0.6, 1.0); + + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } +} + + +/** + * Create an RGB, double-buffered window. + * Return the window and two context handles. + */ +static void +make_window_and_contexts( Display *dpy, const char *name, + int x, int y, int width, int height, + Window *winRet, + GLXContext *ctxRet1, + GLXContext *ctxRet2) +{ + int attribs[] = { GLX_RGBA, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + GLX_DOUBLEBUFFER, + GLX_DEPTH_SIZE, 1, + None }; + int scrnum; + XSetWindowAttributes attr; + unsigned long mask; + Window root; + Window win; + XVisualInfo *visinfo; + + scrnum = DefaultScreen( dpy ); + root = RootWindow( dpy, scrnum ); + + visinfo = glXChooseVisual( dpy, scrnum, attribs ); + if (!visinfo) { + printf("Error: couldn't get an RGB, Double-buffered visual\n"); + exit(1); + } + + /* window attributes */ + attr.background_pixel = 0; + attr.border_pixel = 0; + attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone); + attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; + mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; + + win = XCreateWindow( dpy, root, x, y, width, height, + 0, visinfo->depth, InputOutput, + visinfo->visual, mask, &attr ); + + /* set hints and properties */ + { + XSizeHints sizehints; + sizehints.x = x; + sizehints.y = y; + sizehints.width = width; + sizehints.height = height; + sizehints.flags = USSize | USPosition; + XSetNormalHints(dpy, win, &sizehints); + XSetStandardProperties(dpy, win, name, name, + None, (char **)NULL, 0, &sizehints); + } + + *winRet = win; + *ctxRet1 = glXCreateContext( dpy, visinfo, NULL, True ); + *ctxRet2 = glXCreateContext( dpy, visinfo, NULL, True ); + + if (!*ctxRet1 || !*ctxRet2) { + printf("Error: glXCreateContext failed\n"); + exit(1); + } + + XFree(visinfo); +} + + +/** + * Handle one X event. + * \return NOP, EXIT or DRAW + */ +static int +handle_event(Display *dpy, Window win, GLXContext ctx1, GLXContext ctx2, + XEvent *event) +{ + (void) dpy; + (void) win; + + switch (event->type) { + case Expose: + return DRAW; + case ConfigureNotify: + reshape(dpy, win, ctx1, ctx2, + event->xconfigure.width, event->xconfigure.height); + break; + case KeyPress: + { + char buffer[10]; + int r, code; + code = XLookupKeysym(&event->xkey, 0); + if (code == XK_Left) { + view_roty += 5.0; + } + else if (code == XK_Right) { + view_roty -= 5.0; + } + else if (code == XK_Up) { + view_rotx += 5.0; + } + else if (code == XK_Down) { + view_rotx -= 5.0; + } + else { + r = XLookupString(&event->xkey, buffer, sizeof(buffer), + NULL, NULL); + if (buffer[0] == 27) { + /* escape */ + return EXIT; + } + else if (buffer[0] == 'a' || buffer[0] == 'A') { + animate = !animate; + } + } + return DRAW; + } + } + return NOP; +} + + +static void +event_loop(Display *dpy, Window win, GLXContext ctx1, GLXContext ctx2) +{ + while (1) { + int op; + while (!animate || XPending(dpy) > 0) { + XEvent event; + XNextEvent(dpy, &event); + op = handle_event(dpy, win, ctx1, ctx2, &event); + if (op == EXIT) + return; + else if (op == DRAW) + break; + } + + draw_frame(dpy, win, ctx1, ctx2); + } +} + + +int +main(int argc, char *argv[]) +{ + unsigned int winWidth = 800, winHeight = 400; + int x = 0, y = 0; + Display *dpy; + Window win; + GLXContext ctx1, ctx2; + char *dpyName = NULL; + GLboolean printInfo = GL_FALSE; + int i; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-display") == 0) { + dpyName = argv[i+1]; + i++; + } + else { + return 1; + } + } + + dpy = XOpenDisplay(dpyName); + if (!dpy) { + printf("Error: couldn't open display %s\n", + dpyName ? dpyName : getenv("DISPLAY")); + return -1; + } + + make_window_and_contexts(dpy, "multictx", x, y, winWidth, winHeight, + &win, &ctx1, &ctx2); + XMapWindow(dpy, win); + + if (printInfo) { + printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); + printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); + printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR)); + printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS)); + } + + init(dpy, win, ctx1, ctx2); + + /* Set initial projection/viewing transformation. + * We can't be sure we'll get a ConfigureNotify event when the window + * first appears. + */ + reshape(dpy, win, ctx1, ctx2, winWidth, winHeight); + + event_loop(dpy, win, ctx1, ctx2); + + glDeleteLists(gear1, 1); + glDeleteLists(gear2, 1); + glXDestroyContext(dpy, ctx1); + glXDestroyContext(dpy, ctx2); + XDestroyWindow(dpy, win); + XCloseDisplay(dpy); + + return 0; +} |