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-rw-r--r--progs/egl/opengles1/.gitignore15
-rw-r--r--progs/egl/opengles1/Makefile102
-rw-r--r--progs/egl/opengles1/bindtex.c474
-rw-r--r--progs/egl/opengles1/drawtex.c217
-rw-r--r--progs/egl/opengles1/es1_info.c289
-rw-r--r--progs/egl/opengles1/gears.c383
-rw-r--r--progs/egl/opengles1/msaa.c442
-rw-r--r--progs/egl/opengles1/pbuffer.c608
-rw-r--r--progs/egl/opengles1/render_tex.c659
-rw-r--r--progs/egl/opengles1/texture_from_pixmap.c578
-rw-r--r--progs/egl/opengles1/torus.c448
-rw-r--r--progs/egl/opengles1/tri.c211
-rw-r--r--progs/egl/opengles1/two_win.c433
13 files changed, 4859 insertions, 0 deletions
diff --git a/progs/egl/opengles1/.gitignore b/progs/egl/opengles1/.gitignore
new file mode 100644
index 00000000000..135e3deb35b
--- /dev/null
+++ b/progs/egl/opengles1/.gitignore
@@ -0,0 +1,15 @@
+bindtex
+drawtex_x11
+drawtex_screen
+es1_info
+gears_x11
+gears_screen
+msaa
+pbuffer
+render_tex
+texture_from_pixmap
+torus_x11
+torus_screen
+tri_x11
+tri_screen
+two_win
diff --git a/progs/egl/opengles1/Makefile b/progs/egl/opengles1/Makefile
new file mode 100644
index 00000000000..554cff9e6b6
--- /dev/null
+++ b/progs/egl/opengles1/Makefile
@@ -0,0 +1,102 @@
+# progs/egl/opengles1/Makefile
+
+TOP = ../../..
+include $(TOP)/configs/current
+
+
+INCLUDE_DIRS = \
+ -I$(TOP)/include \
+
+HEADERS = $(TOP)/include/GLES/egl.h
+
+
+ES1_LIB_DEPS = \
+ $(TOP)/$(LIB_DIR)/libEGL.so \
+ $(TOP)/$(LIB_DIR)/libGLESv1_CM.so
+
+
+ES1_LIBS = \
+ -L$(TOP)/$(LIB_DIR) -lEGL \
+ -L$(TOP)/$(LIB_DIR) -lGLESv1_CM $(LIBDRM_LIB) -lX11
+
+EGLUT_DIR = $(TOP)/progs/egl/eglut
+
+EGLUT_DEMOS = \
+ drawtex \
+ gears \
+ torus \
+ tri
+
+EGLUT_X11_DEMOS := $(addsuffix _x11,$(EGLUT_DEMOS))
+EGLUT_SCREEN_DEMOS := $(addsuffix _screen,$(EGLUT_DEMOS))
+
+PROGRAMS = \
+ bindtex \
+ es1_info \
+ msaa \
+ pbuffer \
+ render_tex \
+ texture_from_pixmap \
+ two_win
+
+
+.c.o:
+ $(CC) -c $(INCLUDE_DIRS) -I$(EGLUT_DIR) $(CFLAGS) $< -o $@
+
+
+
+default: $(PROGRAMS) $(EGLUT_X11_DEMOS) $(EGLUT_SCREEN_DEMOS)
+
+
+
+bindtex: bindtex.o $(ES1_LIB_DEPS)
+ $(CC) $(CFLAGS) bindtex.o $(ES1_LIBS) -o $@
+
+
+es1_info: es1_info.o $(ES1_LIB_DEPS)
+ $(CC) $(CFLAGS) es1_info.o $(ES1_LIBS) -o $@
+
+
+msaa: msaa.o $(ES1_LIB_DEPS)
+ $(CC) $(CFLAGS) msaa.o $(ES1_LIBS) -o $@
+
+
+pbuffer: pbuffer.o $(ES1_LIB_DEPS)
+ $(CC) $(CFLAGS) pbuffer.o $(ES1_LIBS) -o $@
+
+
+render_tex: render_tex.o $(ES1_LIB_DEPS)
+ $(CC) $(CFLAGS) render_tex.o $(ES1_LIBS) -o $@
+
+
+texture_from_pixmap: texture_from_pixmap.o $(ES1_LIB_DEPS)
+ $(CC) $(CFLAGS) texture_from_pixmap.o $(ES1_LIBS) -o $@
+
+torus: torus.o $(ES1_LIB_DEPS)
+ $(CC) $(CFLAGS) torus.o $(ES1_LIBS) -o $@
+
+
+two_win: two_win.o $(ES1_LIB_DEPS)
+ $(CC) $(CFLAGS) two_win.o $(ES1_LIBS) -o $@
+
+
+$(EGLUT_DIR)/libeglut-x11.a $(EGLUT_DIR)/libeglut-screen.a:
+ @$(MAKE) -C $(EGLUT_DIR)
+
+# define the rules for EGLUT demos
+define eglut-demo-rule
+$(1)_x11 $(1)_screen: $(1)_%: $(1).o $(EGLUT_DIR)/libeglut-%.a $(ES1_LIB_DEPS)
+endef
+$(foreach demo, $(EGLUT_DEMOS), $(eval $(call eglut-demo-rule,$(demo))))
+
+# build EGLUT demos
+$(EGLUT_X11_DEMOS):
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -L$(EGLUT_DIR) -leglut-$* $(ES1_LIBS) -lX11
+$(EGLUT_SCREEN_DEMOS):
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -L$(EGLUT_DIR) -leglut-$* $(ES1_LIBS)
+
+
+clean:
+ -rm -f *.o *~
+ -rm -f $(PROGRAMS) $(EGLUT_X11_DEMOS) $(EGLUT_SCREEN_DEMOS)
+ @$(MAKE) -C $(EGLUT_DIR) clean
diff --git a/progs/egl/opengles1/bindtex.c b/progs/egl/opengles1/bindtex.c
new file mode 100644
index 00000000000..c243b5941b7
--- /dev/null
+++ b/progs/egl/opengles1/bindtex.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 <GLES/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) ||
+ !num_configs) {
+ printf("Error: couldn't get an EGL visual config for pbuffer\n");
+ exit(1);
+ }
+
+ 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);
+ }
+}
+
+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();
+ glFrustumf(-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);
+
+ glGenTextures(1, &tex_pbuf);
+ }
+}
+
+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) ||
+ !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);
+ }
+
+ ctx_win = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL );
+ if (!ctx_win) {
+ printf("Error: eglCreateContext 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][4] = {
+ { 1, 0, 0, 1 },
+ { 0, 1, 0, 1 },
+ { 0, 0, 1, 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(4, 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();
+ glFrustumf(-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/egl/opengles1/drawtex.c b/progs/egl/opengles1/drawtex.c
new file mode 100644
index 00000000000..e9ac0153408
--- /dev/null
+++ b/progs/egl/opengles1/drawtex.c
@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2008 Tunsgten Graphics,Inc. All Rights Reserved.
+ */
+
+/*
+ * Test GL_OES_draw_texture
+ * Brian Paul
+ * August 2008
+ */
+
+#define GL_GLEXT_PROTOTYPES
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include "eglut.h"
+
+
+static GLfloat view_posx = 10.0, view_posy = 20.0;
+static GLfloat width = 200, height = 200;
+static GLboolean animate = GL_FALSE;
+static int win;
+
+
+static void
+draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glDrawTexfOES(view_posx, view_posy, 0.0, width, height);
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+
+#ifdef GL_VERSION_ES_CM_1_0
+ glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+#else
+ glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+#endif
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -15.0);
+}
+
+
+static float
+dist(GLuint i, GLuint j, float x, float y)
+{
+ return sqrt((i-x) * (i-x) + (j-y) * (j-y));
+}
+
+static void
+make_smile_texture(void)
+{
+#define SZ 128
+ GLenum Filter = GL_LINEAR;
+ GLubyte image[SZ][SZ][4];
+ GLuint i, j;
+ GLint cropRect[4];
+
+ for (i = 0; i < SZ; i++) {
+ for (j = 0; j < SZ; j++) {
+ GLfloat d_mouth = dist(i, j, SZ/2, SZ/2);
+ GLfloat d_rt_eye = dist(i, j, SZ*3/4, SZ*3/4);
+ GLfloat d_lt_eye = dist(i, j, SZ*3/4, SZ*1/4);
+ if (d_rt_eye < SZ / 8 || d_lt_eye < SZ / 8) {
+ image[i][j][0] = 20;
+ image[i][j][1] = 50;
+ image[i][j][2] = 255;
+ image[i][j][3] = 255;
+ }
+ else if (i < SZ/2 && d_mouth < SZ/3) {
+ image[i][j][0] = 255;
+ image[i][j][1] = 20;
+ image[i][j][2] = 20;
+ image[i][j][3] = 255;
+ }
+ else {
+ image[i][j][0] = 200;
+ image[i][j][1] = 200;
+ image[i][j][2] = 200;
+ image[i][j][3] = 255;
+ }
+ }
+ }
+
+ glActiveTexture(GL_TEXTURE0); /* unit 0 */
+ glBindTexture(GL_TEXTURE_2D, 42);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SZ, SZ, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, image);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+ cropRect[0] = 0;
+ cropRect[1] = 0;
+ cropRect[2] = SZ;
+ cropRect[3] = SZ;
+ glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropRect);
+#undef SZ
+}
+
+
+
+static void
+init(void)
+{
+ const char *ext = (char *) glGetString(GL_EXTENSIONS);
+
+ if (!strstr(ext, "GL_OES_draw_texture")) {
+ fprintf(stderr, "Sorry, this program requires GL_OES_draw_texture");
+ exit(1);
+ }
+
+ glClearColor(0.4, 0.4, 0.4, 0.0);
+
+ make_smile_texture();
+ glEnable(GL_TEXTURE_2D);
+}
+
+
+static void
+idle(void)
+{
+ if (animate) {
+ view_posx += 1.0;
+ view_posy += 2.0;
+ eglutPostRedisplay();
+ }
+}
+
+static void
+key(unsigned char key)
+{
+ switch (key) {
+ case ' ':
+ animate = !animate;
+ break;
+ case 'w':
+ width -= 1.0f;
+ break;
+ case 'W':
+ width += 1.0f;
+ break;
+ case 'h':
+ height -= 1.0f;
+ break;
+ case 'H':
+ height += 1.0f;
+ break;
+ case 27:
+ eglutDestroyWindow(win);
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+special_key(int key)
+{
+ switch (key) {
+ case EGLUT_KEY_LEFT:
+ view_posx -= 1.0;
+ break;
+ case EGLUT_KEY_RIGHT:
+ view_posx += 1.0;
+ break;
+ case EGLUT_KEY_UP:
+ view_posy += 1.0;
+ break;
+ case EGLUT_KEY_DOWN:
+ view_posy -= 1.0;
+ break;
+ default:
+ break;
+ }
+}
+
+int
+main(int argc, char *argv[])
+{
+ eglutInitWindowSize(400, 300);
+ eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+ eglutInit(argc, argv);
+
+ win = eglutCreateWindow("drawtex");
+
+ eglutIdleFunc(idle);
+ eglutReshapeFunc(reshape);
+ eglutDisplayFunc(draw);
+ eglutKeyboardFunc(key);
+ eglutSpecialFunc(special_key);
+
+ init();
+
+ eglutMainLoop();
+
+ return 0;
+}
diff --git a/progs/egl/opengles1/es1_info.c b/progs/egl/opengles1/es1_info.c
new file mode 100644
index 00000000000..93816b52150
--- /dev/null
+++ b/progs/egl/opengles1/es1_info.c
@@ -0,0 +1,289 @@
+/*
+ * Copyright (C) 2008 Tunsgten Graphics,Inc. All Rights Reserved.
+ */
+
+/*
+ * List OpenGL ES extensions.
+ * Print ES 1 or ES 2 extensions depending on which library we're
+ * linked with: libGLESv1_CM.so vs libGLESv2.so
+ */
+
+#define GL_GLEXT_PROTOTYPES
+
+#include <assert.h>
+#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 <GLES/gl.h>
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+
+
+/*
+ * Print a list of extensions, with word-wrapping.
+ */
+static void
+print_extension_list(const char *ext)
+{
+ const char *indentString = " ";
+ const int indent = 4;
+ const int max = 79;
+ int width, i, j;
+
+ if (!ext || !ext[0])
+ return;
+
+ width = indent;
+ printf(indentString);
+ i = j = 0;
+ while (1) {
+ if (ext[j] == ' ' || ext[j] == 0) {
+ /* found end of an extension name */
+ const int len = j - i;
+ if (width + len > max) {
+ /* start a new line */
+ printf("\n");
+ width = indent;
+ printf(indentString);
+ }
+ /* print the extension name between ext[i] and ext[j] */
+ while (i < j) {
+ printf("%c", ext[i]);
+ i++;
+ }
+ /* either we're all done, or we'll continue with next extension */
+ width += len + 1;
+ if (ext[j] == 0) {
+ break;
+ }
+ else {
+ i++;
+ j++;
+ if (ext[j] == 0)
+ break;
+ printf(", ");
+ width += 2;
+ }
+ }
+ j++;
+ }
+ printf("\n");
+}
+
+
+static void
+info(EGLDisplay egl_dpy)
+{
+ const char *s;
+
+ s = eglQueryString(egl_dpy, EGL_VERSION);
+ printf("EGL_VERSION = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_VENDOR);
+ printf("EGL_VENDOR = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
+ printf("EGL_EXTENSIONS = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
+ printf("EGL_CLIENT_APIS = %s\n", s);
+
+ printf("GL_VERSION: %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+ printf("GL_EXTENSIONS:\n");
+ print_extension_list((char *) glGetString(GL_EXTENSIONS));
+}
+
+
+/*
+ * Create an RGB, double-buffered X window.
+ * Return the window and context handles.
+ */
+static void
+make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
+ const char *name,
+ int x, int y, int width, int height, int es_ver,
+ Window *winRet,
+ EGLContext *ctxRet,
+ EGLSurface *surfRet)
+{
+ EGLint attribs[] = {
+ EGL_RENDERABLE_TYPE, 0x0,
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_NONE
+ };
+ EGLint ctx_attribs[] = {
+ EGL_CONTEXT_CLIENT_VERSION, 0,
+ EGL_NONE
+ };
+
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+ XVisualInfo *visInfo, visTemplate;
+ int num_visuals;
+ EGLContext ctx;
+ EGLConfig config;
+ EGLint num_configs;
+ EGLint vid;
+
+ scrnum = DefaultScreen( x_dpy );
+ root = RootWindow( x_dpy, scrnum );
+
+ if (es_ver == 1)
+ attribs[1] = EGL_OPENGL_ES_BIT;
+ else
+ attribs[1] = EGL_OPENGL_ES2_BIT;
+ ctx_attribs[1] = es_ver;
+
+ if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+ printf("Error: couldn't get an EGL visual config\n");
+ exit(1);
+ }
+
+ assert(config);
+ assert(num_configs > 0);
+
+ if (!eglGetConfigAttrib(egl_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;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ 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_ES_API);
+
+ ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, ctx_attribs );
+ if (!ctx) {
+ printf("Error: eglCreateContext failed\n");
+ exit(1);
+ }
+
+ *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
+
+ if (!*surfRet) {
+ printf("Error: eglCreateWindowSurface failed\n");
+ exit(1);
+ }
+
+ XFree(visInfo);
+
+ *winRet = win;
+ *ctxRet = ctx;
+}
+
+
+static void
+usage(void)
+{
+ printf("Usage:\n");
+ printf(" -display <displayname> set the display to run on\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ const int winWidth = 400, winHeight = 300;
+ Display *x_dpy;
+ Window win;
+ EGLSurface egl_surf;
+ EGLContext egl_ctx;
+ EGLDisplay egl_dpy;
+ char *dpyName = NULL;
+ EGLint egl_major, egl_minor, es_ver;
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-display") == 0) {
+ dpyName = argv[i+1];
+ i++;
+ }
+ else {
+ usage();
+ return -1;
+ }
+ }
+
+ x_dpy = XOpenDisplay(dpyName);
+ if (!x_dpy) {
+ printf("Error: couldn't open display %s\n",
+ dpyName ? dpyName : getenv("DISPLAY"));
+ return -1;
+ }
+
+ egl_dpy = eglGetDisplay(x_dpy);
+ if (!egl_dpy) {
+ printf("Error: eglGetDisplay() failed\n");
+ return -1;
+ }
+
+ if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
+ printf("Error: eglInitialize() failed\n");
+ return -1;
+ }
+
+ es_ver = 1;
+ /* decide the version from the executable's name */
+ if (argc > 0 && argv[0] && strstr(argv[0], "es2"))
+ es_ver = 2;
+ make_x_window(x_dpy, egl_dpy,
+ "ES info", 0, 0, winWidth, winHeight, es_ver,
+ &win, &egl_ctx, &egl_surf);
+
+ /*XMapWindow(x_dpy, win);*/
+ if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
+ printf("Error: eglMakeCurrent() failed\n");
+ return -1;
+ }
+
+ info(egl_dpy);
+
+ eglDestroyContext(egl_dpy, egl_ctx);
+ eglDestroySurface(egl_dpy, egl_surf);
+ eglTerminate(egl_dpy);
+
+
+ XDestroyWindow(x_dpy, win);
+ XCloseDisplay(x_dpy);
+
+ return 0;
+}
diff --git a/progs/egl/opengles1/gears.c b/progs/egl/opengles1/gears.c
new file mode 100644
index 00000000000..8462a4871a7
--- /dev/null
+++ b/progs/egl/opengles1/gears.c
@@ -0,0 +1,383 @@
+/*
+ * Copyright (C) 2009 Chia-I Wu <[email protected]>
+ *
+ * Based on eglgears by
+ * Copyright (C) 1999-2001 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.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <assert.h>
+
+#include <GLES/gl.h>
+#include "eglut.h"
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+
+struct gear {
+ GLuint vbo;
+ GLfloat *vertices;
+ GLsizei stride;
+
+ GLint num_teeth;
+};
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static struct gear gears[3];
+static GLfloat angle = 0.0;
+
+/*
+ * Initialize a gear wheel.
+ *
+ * Input: gear - gear to initialize
+ * 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
+init_gear(struct gear *gear, GLfloat inner_radius, GLfloat outer_radius,
+ GLfloat width, GLint teeth, GLfloat tooth_depth)
+{
+ GLfloat r0, r1, r2;
+ GLfloat a0, da;
+ GLint verts_per_tooth, total_verts, total_size;
+ GLint count, i;
+ GLfloat *verts;
+
+ r0 = inner_radius;
+ r1 = outer_radius - tooth_depth / 2.0;
+ r2 = outer_radius + tooth_depth / 2.0;
+
+ a0 = 2.0 * M_PI / teeth;
+ da = a0 / 4.0;
+
+ gear->vbo = 0;
+ gear->vertices = NULL;
+ gear->stride = sizeof(GLfloat) * 6; /* XYZ + normal */
+ gear->num_teeth = teeth;
+
+ verts_per_tooth = 10 + 4;
+ total_verts = teeth * verts_per_tooth;
+ total_size = total_verts * gear->stride;
+
+ verts = malloc(total_size);
+ if (!verts) {
+ printf("failed to allocate vertices\n");
+ return;
+ }
+
+#define GEAR_VERT(r, n, sign) \
+ do { \
+ verts[count * 6 + 0] = (r) * vx[n]; \
+ verts[count * 6 + 1] = (r) * vy[n]; \
+ verts[count * 6 + 2] = (sign) * width * 0.5; \
+ verts[count * 6 + 3] = normal[0]; \
+ verts[count * 6 + 4] = normal[1]; \
+ verts[count * 6 + 5] = normal[2]; \
+ count++; \
+ } while (0)
+
+ count = 0;
+ for (i = 0; i < teeth; i++) {
+ GLfloat normal[3];
+ GLfloat vx[5], vy[5];
+ GLfloat u, v;
+
+ normal[0] = 0.0;
+ normal[1] = 0.0;
+ normal[2] = 0.0;
+
+ vx[0] = cos(i * a0 + 0 * da);
+ vy[0] = sin(i * a0 + 0 * da);
+ vx[1] = cos(i * a0 + 1 * da);
+ vy[1] = sin(i * a0 + 1 * da);
+ vx[2] = cos(i * a0 + 2 * da);
+ vy[2] = sin(i * a0 + 2 * da);
+ vx[3] = cos(i * a0 + 3 * da);
+ vy[3] = sin(i * a0 + 3 * da);
+ vx[4] = cos(i * a0 + 4 * da);
+ vy[4] = sin(i * a0 + 4 * da);
+
+ /* outward faces of a tooth, 10 verts */
+ normal[0] = vx[0];
+ normal[1] = vy[0];
+ GEAR_VERT(r1, 0, 1);
+ GEAR_VERT(r1, 0, -1);
+
+ u = r2 * vx[1] - r1 * vx[0];
+ v = r2 * vy[1] - r1 * vy[0];
+ normal[0] = v;
+ normal[1] = -u;
+ GEAR_VERT(r2, 1, 1);
+ GEAR_VERT(r2, 1, -1);
+
+ normal[0] = vx[0];
+ normal[1] = vy[0];
+ GEAR_VERT(r2, 2, 1);
+ GEAR_VERT(r2, 2, -1);
+
+ u = r1 * vx[3] - r2 * vx[2];
+ v = r1 * vy[3] - r2 * vy[2];
+ normal[0] = v;
+ normal[1] = -u;
+ GEAR_VERT(r1, 3, 1);
+ GEAR_VERT(r1, 3, -1);
+
+ normal[0] = vx[0];
+ normal[1] = vy[0];
+ GEAR_VERT(r1, 4, 1);
+ GEAR_VERT(r1, 4, -1);
+
+ /* inside radius cylinder, 4 verts */
+ normal[0] = -vx[4];
+ normal[1] = -vy[4];
+ GEAR_VERT(r0, 4, 1);
+ GEAR_VERT(r0, 4, -1);
+
+ normal[0] = -vx[0];
+ normal[1] = -vy[0];
+ GEAR_VERT(r0, 0, 1);
+ GEAR_VERT(r0, 0, -1);
+
+ assert(count % verts_per_tooth == 0);
+ }
+ assert(count == total_verts);
+#undef GEAR_VERT
+
+ gear->vertices = verts;
+
+ /* setup VBO */
+ glGenBuffers(1, &gear->vbo);
+ if (gear->vbo) {
+ glBindBuffer(GL_ARRAY_BUFFER, gear->vbo);
+ glBufferData(GL_ARRAY_BUFFER, total_size, verts, GL_STATIC_DRAW);
+ }
+}
+
+
+static void
+draw_gear(const struct gear *gear)
+{
+ GLint i;
+
+ if (!gear->vbo && !gear->vertices) {
+ printf("nothing to be drawn\n");
+ return;
+ }
+
+ if (gear->vbo) {
+ glBindBuffer(GL_ARRAY_BUFFER, gear->vbo);
+ glVertexPointer(3, GL_FLOAT, gear->stride, (const GLvoid *) 0);
+ glNormalPointer(GL_FLOAT, gear->stride, (const GLvoid *) (sizeof(GLfloat) * 3));
+ } else {
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ glVertexPointer(3, GL_FLOAT, gear->stride, gear->vertices);
+ glNormalPointer(GL_FLOAT, gear->stride, gear->vertices + 3);
+ }
+
+ glEnableClientState(GL_VERTEX_ARRAY);
+
+ for (i = 0; i < gear->num_teeth; i++) {
+ const GLint base = (10 + 4) * i;
+ GLushort indices[7];
+
+ glShadeModel(GL_FLAT);
+
+ /* front face */
+ indices[0] = base + 12;
+ indices[1] = base + 0;
+ indices[2] = base + 2;
+ indices[3] = base + 4;
+ indices[4] = base + 6;
+ indices[5] = base + 8;
+ indices[6] = base + 10;
+
+ glNormal3f(0.0, 0.0, 1.0);
+ glDrawElements(GL_TRIANGLE_FAN, 7, GL_UNSIGNED_SHORT, indices);
+
+ /* back face */
+ indices[0] = base + 13;
+ indices[1] = base + 11;
+ indices[2] = base + 9;
+ indices[3] = base + 7;
+ indices[4] = base + 5;
+ indices[5] = base + 3;
+ indices[6] = base + 1;
+
+ glNormal3f(0.0, 0.0, -1.0);
+ glDrawElements(GL_TRIANGLE_FAN, 7, GL_UNSIGNED_SHORT, indices);
+
+ glEnableClientState(GL_NORMAL_ARRAY);
+
+ /* outward face of a tooth */
+ glDrawArrays(GL_TRIANGLE_STRIP, base, 10);
+
+ /* inside radius cylinder */
+ glShadeModel(GL_SMOOTH);
+ glDrawArrays(GL_TRIANGLE_STRIP, base + 10, 4);
+
+ glDisableClientState(GL_NORMAL_ARRAY);
+ }
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+}
+
+
+static void
+gears_draw(void)
+{
+ static const GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
+ static const GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
+ static const GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1.0, 0.0, 0.0);
+ glRotatef(view_roty, 0.0, 1.0, 0.0);
+ glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+ glPushMatrix();
+ glTranslatef(-3.0, -2.0, 0.0);
+ glRotatef(angle, 0.0, 0.0, 1.0);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red);
+ draw_gear(&gears[0]);
+
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(3.1, -2.0, 0.0);
+ glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, green);
+ draw_gear(&gears[1]);
+
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(-3.1, 4.2, 0.0);
+ glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue);
+ draw_gear(&gears[2]);
+
+ glPopMatrix();
+
+ glPopMatrix();
+}
+
+
+static void gears_fini(void)
+{
+ GLint i;
+ for (i = 0; i < 3; i++) {
+ struct gear *gear = &gears[i];
+ if (gear->vbo) {
+ glDeleteBuffers(1, &gear->vbo);
+ gear->vbo = 0;
+ }
+ if (gear->vertices) {
+ free(gear->vertices);
+ gear->vertices = NULL;
+ }
+ }
+}
+
+
+static void gears_init(void)
+{
+ static const GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 };
+
+ glLightfv(GL_LIGHT0, GL_POSITION, pos);
+ glEnable(GL_CULL_FACE);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_NORMALIZE);
+
+ init_gear(&gears[0], 1.0, 4.0, 1.0, 20, 0.7);
+ init_gear(&gears[1], 0.5, 2.0, 2.0, 10, 0.7);
+ init_gear(&gears[2], 1.3, 2.0, 0.5, 10, 0.7);
+}
+
+
+/* new window size or exposure */
+static void
+gears_reshape(int width, int height)
+{
+ GLfloat h = (GLfloat) height / (GLfloat) width;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustumf(-1.0, 1.0, -h, h, 5.0, 60.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -40.0);
+}
+
+
+static void
+gears_idle(void)
+{
+ static double t0 = -1.;
+ double dt, t = eglutGet(EGLUT_ELAPSED_TIME) / 1000.0;
+ if (t0 < 0.0)
+ t0 = t;
+ dt = t - t0;
+ t0 = t;
+
+ angle += 70.0 * dt; /* 70 degrees per second */
+ angle = fmod(angle, 360.0); /* prevents eventual overflow */
+
+ eglutPostRedisplay();
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ eglutInitWindowSize(300, 300);
+ eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+ eglutInit(argc, argv);
+
+ eglutCreateWindow("gears");
+
+ eglutIdleFunc(gears_idle);
+ eglutReshapeFunc(gears_reshape);
+ eglutDisplayFunc(gears_draw);
+
+ gears_init();
+
+ eglutMainLoop();
+
+ gears_fini();
+
+ return 0;
+}
diff --git a/progs/egl/opengles1/msaa.c b/progs/egl/opengles1/msaa.c
new file mode 100644
index 00000000000..b4c6c632177
--- /dev/null
+++ b/progs/egl/opengles1/msaa.c
@@ -0,0 +1,442 @@
+/*
+ * 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.
+ */
+
+/*
+ * Test MSAA with X/EGL and OpenGL ES 1.x
+ * Brian Paul
+ * 15 September 2008
+ */
+
+#define USE_FULL_GL 0
+
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#if USE_FULL_GL
+#include <GL/gl.h> /* use full OpenGL */
+#else
+#include <GLES/gl.h> /* use OpenGL ES 1.x */
+#include <GLES/glext.h>
+#endif
+#include <EGL/egl.h>
+
+
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+static GLboolean AA = 0*GL_TRUE;
+
+
+static void
+draw(void)
+{
+ float a;
+
+ static const GLfloat verts[4][2] = {
+ { -1, -.1 },
+ { 1, -.1 },
+ { -1, .1 },
+ { 1, .1 }
+ };
+ static const GLfloat colors[4][4] = {
+ { 1, 0, 0, 1 },
+ { 0, 1, 0, 1 },
+ { 0, 0, 1, 1 },
+ { 1, 0, 1, 1 }
+ };
+
+ if (AA) {
+ printf("MSAA enabled\n");
+ glEnable(GL_MULTISAMPLE);
+ }
+ else {
+ printf("MSAA disabled\n");
+ glDisable(GL_MULTISAMPLE);
+ }
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1, 0, 0);
+ glRotatef(view_roty, 0, 1, 0);
+ glRotatef(view_rotz, 0, 0, 1);
+
+ {
+ glVertexPointer(2, GL_FLOAT, 0, verts);
+ glColorPointer(4, GL_FLOAT, 0, colors);
+
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_COLOR_ARRAY);
+
+ for (a = 0; a < 360; a += 20.0) {
+ glPushMatrix();
+
+ glRotatef(a, 0, 0, 1);
+ glTranslatef(1.5, 0, 0);
+
+ /* draw triangle */
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+ glPopMatrix();
+ }
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_COLOR_ARRAY);
+ }
+
+ glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat ary = 3.0;
+ GLfloat arx = ary * (GLfloat) width / (GLfloat) height;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+#ifdef GL_VERSION_ES_CM_1_0
+ glOrthof(-arx, arx, -ary, ary, -1.0, 1.0);
+#else
+ glOrtho(-arx, arx, -ary, ary, -1.0, 1.0);
+#endif
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+
+
+static void
+init(void)
+{
+ printf("Press 'a' to toggle multisample antialiasing\n");
+ printf("Press 'Esc' to exit\n");
+}
+
+
+/*
+ * Create an RGB, double-buffered X window.
+ * Return the window and context handles.
+ */
+static void
+make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
+ const char *name,
+ int x, int y, int width, int height,
+ Window *winRet,
+ EGLContext *ctxRet,
+ EGLSurface *surfRet)
+{
+ static const EGLint attribs[] = {
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_DEPTH_SIZE, 1,
+ EGL_SAMPLES, 1,
+ EGL_SAMPLE_BUFFERS, 1,
+ EGL_NONE
+ };
+
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+ XVisualInfo *visInfo, visTemplate;
+ int num_visuals;
+ EGLContext ctx;
+ EGLConfig config;
+ EGLint num_configs;
+ EGLint vid;
+
+ scrnum = DefaultScreen( x_dpy );
+ root = RootWindow( x_dpy, scrnum );
+
+ if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+ printf("Error: couldn't get an EGL visual config\n");
+ exit(1);
+ }
+
+ if (num_configs < 1) {
+ printf("Error: Unable to find multisample pixel format.\n");
+ printf("Try running glxinfo to see if your server supports MSAA.\n");
+ exit(1);
+ }
+
+ if (!eglGetConfigAttrib(egl_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;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ 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);
+ }
+
+#if USE_FULL_GL
+ eglBindAPI(EGL_OPENGL_API);
+#else
+ eglBindAPI(EGL_OPENGL_ES_API);
+#endif
+
+ ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
+ if (!ctx) {
+ printf("Error: eglCreateContext failed\n");
+ exit(1);
+ }
+
+ *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
+
+ if (!*surfRet) {
+ printf("Error: eglCreateWindowSurface failed\n");
+ exit(1);
+ }
+
+ XFree(visInfo);
+
+ *winRet = win;
+ *ctxRet = ctx;
+}
+
+
+static void
+event_loop(Display *dpy, Window win,
+ EGLDisplay egl_dpy, EGLSurface egl_surf)
+{
+ while (1) {
+ int redraw = 0;
+ XEvent event;
+
+ XNextEvent(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 {
+ r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+ NULL, NULL);
+ if (buffer[0] == 'a') {
+ AA = !AA;
+ redraw = 1;
+ }
+ else if (buffer[0] == 27) {
+ /* escape */
+ return;
+ }
+ }
+ }
+ redraw = 1;
+ break;
+ default:
+ ; /*no-op*/
+ }
+
+ if (redraw) {
+ draw();
+ eglSwapBuffers(egl_dpy, egl_surf);
+ }
+ }
+}
+
+
+static void
+usage(void)
+{
+ printf("Usage:\n");
+ printf(" -display <displayname> set the display to run on\n");
+ printf(" -info display OpenGL renderer info\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ const int winWidth = 600, winHeight = 600;
+ Display *x_dpy;
+ Window win;
+ EGLSurface egl_surf;
+ EGLContext egl_ctx;
+ EGLDisplay egl_dpy;
+ char *dpyName = NULL;
+ GLboolean printInfo = GL_FALSE;
+ EGLint egl_major, egl_minor;
+ int i;
+ const char *s;
+
+ static struct {
+ char *name;
+ GLenum value;
+ enum {GetString, GetInteger} type;
+ } info_items[] = {
+ {"GL_RENDERER", GL_RENDERER, GetString},
+ {"GL_VERSION", GL_VERSION, GetString},
+ {"GL_VENDOR", GL_VENDOR, GetString},
+ {"GL_EXTENSIONS", GL_EXTENSIONS, GetString},
+ {"GL_MAX_PALETTE_MATRICES_OES", GL_MAX_PALETTE_MATRICES_OES, GetInteger},
+ {"GL_MAX_VERTEX_UNITS_OES", GL_MAX_VERTEX_UNITS_OES, GetInteger},
+ };
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-display") == 0) {
+ dpyName = argv[i+1];
+ i++;
+ }
+ else if (strcmp(argv[i], "-info") == 0) {
+ printInfo = GL_TRUE;
+ }
+ else {
+ usage();
+ return -1;
+ }
+ }
+
+ x_dpy = XOpenDisplay(dpyName);
+ if (!x_dpy) {
+ printf("Error: couldn't open display %s\n",
+ dpyName ? dpyName : getenv("DISPLAY"));
+ return -1;
+ }
+
+ egl_dpy = eglGetDisplay(x_dpy);
+ if (!egl_dpy) {
+ printf("Error: eglGetDisplay() failed\n");
+ return -1;
+ }
+
+ if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
+ printf("Error: eglInitialize() failed\n");
+ return -1;
+ }
+
+ s = eglQueryString(egl_dpy, EGL_VERSION);
+ printf("EGL_VERSION = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_VENDOR);
+ printf("EGL_VENDOR = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
+ printf("EGL_EXTENSIONS = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
+ printf("EGL_CLIENT_APIS = %s\n", s);
+
+ make_x_window(x_dpy, egl_dpy,
+ "msaa", 0, 0, winWidth, winHeight,
+ &win, &egl_ctx, &egl_surf);
+
+ XMapWindow(x_dpy, win);
+ if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
+ printf("Error: eglMakeCurrent() failed\n");
+ return -1;
+ }
+
+ if (printInfo) {
+ for (i = 0; i < sizeof(info_items)/sizeof(info_items[0]); i++) {
+ switch (info_items[i].type) {
+ case GetString:
+ printf("%s = %s\n", info_items[i].name, (char *)glGetString(info_items[i].value));
+ break;
+ case GetInteger: {
+ GLint rv = -1;
+ glGetIntegerv(info_items[i].value, &rv);
+ printf("%s = %d\n", info_items[i].name, rv);
+ break;
+ }
+ }
+ }
+ };
+ init();
+
+ /* Set initial projection/viewing transformation.
+ * We can't be sure we'll get a ConfigureNotify event when the window
+ * first appears.
+ */
+ reshape(winWidth, winHeight);
+
+ event_loop(x_dpy, win, egl_dpy, egl_surf);
+
+ eglDestroyContext(egl_dpy, egl_ctx);
+ eglDestroySurface(egl_dpy, egl_surf);
+ eglTerminate(egl_dpy);
+
+
+ XDestroyWindow(x_dpy, win);
+ XCloseDisplay(x_dpy);
+
+ return 0;
+}
diff --git a/progs/egl/opengles1/pbuffer.c b/progs/egl/opengles1/pbuffer.c
new file mode 100644
index 00000000000..60f864445af
--- /dev/null
+++ b/progs/egl/opengles1/pbuffer.c
@@ -0,0 +1,608 @@
+/*
+ * Copyright (C) 2008 Tunsgten Graphics,Inc. All Rights Reserved.
+ */
+
+/*
+ * Test EGL Pbuffers
+ * Brian Paul
+ * August 2008
+ */
+
+
+#include <assert.h>
+#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 <GLES/gl.h>
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+
+
+
+static int WinWidth = 300, WinHeight = 300;
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+
+
+static void
+Normal(GLfloat *n, GLfloat nx, GLfloat ny, GLfloat nz)
+{
+ n[0] = nx;
+ n[1] = ny;
+ n[2] = nz;
+}
+
+static void
+Vertex(GLfloat *v, GLfloat vx, GLfloat vy, GLfloat vz)
+{
+ v[0] = vx;
+ v[1] = vy;
+ v[2] = vz;
+}
+
+static void
+Texcoord(GLfloat *v, GLfloat s, GLfloat t)
+{
+ v[0] = s;
+ v[1] = t;
+}
+
+
+/* Borrowed from glut, adapted */
+static void
+draw_torus(GLfloat r, GLfloat R, GLint nsides, GLint rings)
+{
+ int i, j;
+ GLfloat theta, phi, theta1;
+ GLfloat cosTheta, sinTheta;
+ GLfloat cosTheta1, sinTheta1;
+ GLfloat ringDelta, sideDelta;
+ GLfloat varray[100][3], narray[100][3], tarray[100][2];
+ int vcount;
+
+ glVertexPointer(3, GL_FLOAT, 0, varray);
+ glNormalPointer(GL_FLOAT, 0, narray);
+ glTexCoordPointer(2, GL_FLOAT, 0, tarray);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_NORMAL_ARRAY);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+ ringDelta = 2.0 * M_PI / rings;
+ sideDelta = 2.0 * M_PI / nsides;
+
+ theta = 0.0;
+ cosTheta = 1.0;
+ sinTheta = 0.0;
+ for (i = rings - 1; i >= 0; i--) {
+ theta1 = theta + ringDelta;
+ cosTheta1 = cos(theta1);
+ sinTheta1 = sin(theta1);
+
+ vcount = 0; /* glBegin(GL_QUAD_STRIP); */
+
+ phi = 0.0;
+ for (j = nsides; j >= 0; j--) {
+ GLfloat s0, s1, t;
+ GLfloat cosPhi, sinPhi, dist;
+
+ phi += sideDelta;
+ cosPhi = cos(phi);
+ sinPhi = sin(phi);
+ dist = R + r * cosPhi;
+
+ s0 = 20.0 * theta / (2.0 * M_PI);
+ s1 = 20.0 * theta1 / (2.0 * M_PI);
+ t = 8.0 * phi / (2.0 * M_PI);
+
+ Normal(narray[vcount], cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi);
+ Texcoord(tarray[vcount], s1, t);
+ Vertex(varray[vcount], cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi);
+ vcount++;
+
+ Normal(narray[vcount], cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi);
+ Texcoord(tarray[vcount], s0, t);
+ Vertex(varray[vcount], cosTheta * dist, -sinTheta * dist, r * sinPhi);
+ vcount++;
+ }
+
+ /*glEnd();*/
+ assert(vcount <= 100);
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, vcount);
+
+ theta = theta1;
+ cosTheta = cosTheta1;
+ sinTheta = sinTheta1;
+ }
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_NORMAL_ARRAY);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+
+static void
+draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1, 0, 0);
+ glRotatef(view_roty, 0, 1, 0);
+ glRotatef(view_rotz, 0, 0, 1);
+ glScalef(0.5, 0.5, 0.5);
+
+ draw_torus(1.0, 3.0, 30, 60);
+
+ glPopMatrix();
+
+ glFinish();
+}
+
+
+/**
+ * Draw to both the window and pbuffer and compare results.
+ */
+static void
+draw_both(EGLDisplay egl_dpy, EGLSurface egl_surf, EGLSurface egl_pbuf,
+ EGLContext egl_ctx)
+{
+ unsigned *wbuf, *pbuf;
+ int x = 100, y = 110;
+ int i, dif;
+
+ wbuf = (unsigned *) malloc(WinWidth * WinHeight * 4);
+ pbuf = (unsigned *) malloc(WinWidth * WinHeight * 4);
+
+ glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+ /* first draw to window */
+ if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
+ printf("Error: eglMakeCurrent(window) failed\n");
+ return;
+ }
+ draw();
+ glReadPixels(0, 0, WinWidth, WinHeight, GL_RGBA, GL_UNSIGNED_BYTE, wbuf);
+ printf("Window[%d,%d] = 0x%08x\n", x, y, wbuf[y*WinWidth+x]);
+
+ eglSwapBuffers(egl_dpy, egl_surf);
+
+ /* then draw to pbuffer */
+ if (!eglMakeCurrent(egl_dpy, egl_pbuf, egl_pbuf, egl_ctx)) {
+ printf("Error: eglMakeCurrent(pbuffer) failed\n");
+ return;
+ }
+ draw();
+ glReadPixels(0, 0, WinWidth, WinHeight, GL_RGBA, GL_UNSIGNED_BYTE, pbuf);
+ printf("Pbuffer[%d,%d] = 0x%08x\n", x, y, pbuf[y*WinWidth+x]);
+
+
+ /* compare renderings */
+ for (dif = i = 0; i < WinWidth * WinHeight; i++) {
+ if (wbuf[i] != pbuf[i]) {
+ dif = 1;
+ break;
+ }
+ }
+
+ if (dif)
+ printf("Difference at %d: 0x%08x vs. 0x%08x\n", i, wbuf[i], pbuf[i]);
+ else
+ printf("Window rendering matches Pbuffer rendering!\n");
+
+ free(wbuf);
+ free(pbuf);
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+ WinWidth = width;
+ WinHeight = height;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+
+#ifdef GL_VERSION_ES_CM_1_0
+ glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+#else
+ glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+#endif
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -15.0);
+}
+
+
+static void
+make_texture(void)
+{
+#define SZ 64
+ GLenum Filter = GL_LINEAR;
+ GLubyte image[SZ][SZ][4];
+ GLuint i, j;
+
+ for (i = 0; i < SZ; i++) {
+ for (j = 0; j < SZ; j++) {
+ GLfloat d = (i - SZ/2) * (i - SZ/2) + (j - SZ/2) * (j - SZ/2);
+ d = sqrt(d);
+ if (d < SZ/3) {
+ image[i][j][0] = 255;
+ image[i][j][1] = 255;
+ image[i][j][2] = 255;
+ image[i][j][3] = 255;
+ }
+ else {
+ image[i][j][0] = 127;
+ image[i][j][1] = 127;
+ image[i][j][2] = 127;
+ image[i][j][3] = 255;
+ }
+ }
+ }
+
+ glActiveTexture(GL_TEXTURE0); /* unit 0 */
+ glBindTexture(GL_TEXTURE_2D, 42);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SZ, SZ, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, image);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+#undef SZ
+}
+
+
+
+static void
+init(void)
+{
+ static const GLfloat red[4] = {1, 0, 0, 0};
+ static const GLfloat white[4] = {1.0, 1.0, 1.0, 1.0};
+ static const GLfloat diffuse[4] = {0.7, 0.7, 0.7, 1.0};
+ static const GLfloat specular[4] = {0.001, 0.001, 0.001, 1.0};
+ static const GLfloat pos[4] = {20, 20, 50, 1};
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, white);
+ glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 9.0);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glLightfv(GL_LIGHT0, GL_POSITION, pos);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
+
+ glClearColor(0.4, 0.4, 0.4, 0.0);
+ glEnable(GL_DEPTH_TEST);
+
+ make_texture();
+ glEnable(GL_TEXTURE_2D);
+}
+
+
+/*
+ * Create an RGB, double-buffered X window.
+ * Return the window and context handles.
+ */
+static void
+make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
+ const char *name,
+ int x, int y, int width, int height,
+ Window *winRet,
+ EGLContext *ctxRet,
+ EGLSurface *surfRet)
+{
+ static const EGLint attribs[] = {
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_DEPTH_SIZE, 1,
+ EGL_NONE
+ };
+
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+ XVisualInfo *visInfo, visTemplate;
+ int num_visuals;
+ EGLContext ctx;
+ EGLConfig config;
+ EGLint num_configs;
+ EGLint vid;
+
+ scrnum = DefaultScreen( x_dpy );
+ root = RootWindow( x_dpy, scrnum );
+
+ if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+ printf("Error: couldn't get an EGL visual config\n");
+ exit(1);
+ }
+
+ assert(config);
+ assert(num_configs > 0);
+
+ if (!eglGetConfigAttrib(egl_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;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ 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_ES_API);
+
+ ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
+ if (!ctx) {
+ printf("Error: eglCreateContext failed\n");
+ exit(1);
+ }
+
+ *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
+
+ if (!*surfRet) {
+ printf("Error: eglCreateWindowSurface failed\n");
+ exit(1);
+ }
+
+ XFree(visInfo);
+
+ *winRet = win;
+ *ctxRet = ctx;
+}
+
+
+static EGLSurface
+make_pbuffer(Display *x_dpy, EGLDisplay egl_dpy, int width, int height)
+{
+ static const EGLint config_attribs[] = {
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_DEPTH_SIZE, 1,
+ EGL_NONE
+ };
+ EGLConfig config;
+ EGLSurface pbuf;
+ EGLint num_configs;
+ EGLint pbuf_attribs[5];
+
+ pbuf_attribs[0] = EGL_WIDTH;
+ pbuf_attribs[1] = width;
+ pbuf_attribs[2] = EGL_HEIGHT;
+ pbuf_attribs[3] = height;
+ pbuf_attribs[4] = EGL_NONE;
+
+ if (!eglChooseConfig( egl_dpy, config_attribs, &config, 1, &num_configs)) {
+ printf("Error: couldn't get an EGL config for pbuffer\n");
+ exit(1);
+ }
+
+ pbuf = eglCreatePbufferSurface(egl_dpy, config, pbuf_attribs);
+
+ return pbuf;
+}
+
+
+static void
+event_loop(Display *dpy, Window win,
+ EGLDisplay egl_dpy, EGLSurface egl_surf, EGLSurface egl_pbuf,
+ EGLContext egl_ctx)
+{
+ int anim = 0;
+
+ while (1) {
+ int redraw = 0;
+
+ if (!anim || XPending(dpy)) {
+ XEvent event;
+ XNextEvent(dpy, &event);
+
+ switch (event.type) {
+ case Expose:
+ redraw = 1;
+ break;
+ case ConfigureNotify:
+ if (event.xconfigure.window == win)
+ 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 {
+ r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+ NULL, NULL);
+ if (buffer[0] == ' ') {
+ anim = !anim;
+ }
+ else if (buffer[0] == 27) {
+ /* escape */
+ return;
+ }
+ }
+ }
+ redraw = 1;
+ break;
+ default:
+ ; /*no-op*/
+ }
+ }
+
+ if (anim) {
+ view_rotx += 1.0;
+ view_roty += 2.0;
+ redraw = 1;
+ }
+
+ if (redraw) {
+ draw_both(egl_dpy, egl_surf, egl_pbuf, egl_ctx);
+ }
+ }
+}
+
+
+static void
+usage(void)
+{
+ printf("Usage:\n");
+ printf(" -display <displayname> set the display to run on\n");
+ printf(" -info display OpenGL renderer info\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ Display *x_dpy;
+ Window win;
+ EGLSurface egl_surf, egl_pbuf;
+ EGLContext egl_ctx;
+ EGLDisplay egl_dpy;
+ char *dpyName = NULL;
+ GLboolean printInfo = GL_FALSE;
+ EGLint egl_major, egl_minor;
+ int i;
+ const char *s;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-display") == 0) {
+ dpyName = argv[i+1];
+ i++;
+ }
+ else if (strcmp(argv[i], "-info") == 0) {
+ printInfo = GL_TRUE;
+ }
+ else {
+ usage();
+ return -1;
+ }
+ }
+
+ x_dpy = XOpenDisplay(dpyName);
+ if (!x_dpy) {
+ printf("Error: couldn't open display %s\n",
+ dpyName ? dpyName : getenv("DISPLAY"));
+ return -1;
+ }
+
+ egl_dpy = eglGetDisplay(x_dpy);
+ if (!egl_dpy) {
+ printf("Error: eglGetDisplay() failed\n");
+ return -1;
+ }
+
+ if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
+ printf("Error: eglInitialize() failed\n");
+ return -1;
+ }
+
+ s = eglQueryString(egl_dpy, EGL_VERSION);
+ printf("EGL_VERSION = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_VENDOR);
+ printf("EGL_VENDOR = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
+ printf("EGL_EXTENSIONS = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
+ printf("EGL_CLIENT_APIS = %s\n", s);
+
+ make_x_window(x_dpy, egl_dpy,
+ "pbuffer", 0, 0, WinWidth, WinHeight,
+ &win, &egl_ctx, &egl_surf);
+
+ egl_pbuf = make_pbuffer(x_dpy, egl_dpy, WinWidth, WinHeight);
+ if (!egl_pbuf) {
+ printf("Error: eglCreatePBufferSurface() failed\n");
+ return -1;
+ }
+
+ XMapWindow(x_dpy, win);
+ if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
+ printf("Error: eglMakeCurrent() failed\n");
+ return -1;
+ }
+
+ 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();
+
+ /* Set initial projection/viewing transformation.
+ * We can't be sure we'll get a ConfigureNotify event when the window
+ * first appears.
+ */
+ reshape(WinWidth, WinHeight);
+
+ event_loop(x_dpy, win, egl_dpy, egl_surf, egl_pbuf, egl_ctx);
+
+ eglDestroyContext(egl_dpy, egl_ctx);
+ eglDestroySurface(egl_dpy, egl_surf);
+ eglTerminate(egl_dpy);
+
+
+ XDestroyWindow(x_dpy, win);
+ XCloseDisplay(x_dpy);
+
+ return 0;
+}
diff --git a/progs/egl/opengles1/render_tex.c b/progs/egl/opengles1/render_tex.c
new file mode 100644
index 00000000000..0200fa4cb06
--- /dev/null
+++ b/progs/egl/opengles1/render_tex.c
@@ -0,0 +1,659 @@
+/*
+ * Copyright (C) 2008 Tunsgten Graphics,Inc. All Rights Reserved.
+ */
+
+/*
+ * Test EGL render to texture.
+ * Brian Paul
+ * August 2008
+ */
+
+
+#include <assert.h>
+#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 <GLES/gl.h>
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+
+
+static int TexWidth = 256, TexHeight = 256;
+
+static int WinWidth = 300, WinHeight = 300;
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+
+static GLuint DotTexture, RenderTexture;
+
+
+static void
+Normal(GLfloat *n, GLfloat nx, GLfloat ny, GLfloat nz)
+{
+ n[0] = nx;
+ n[1] = ny;
+ n[2] = nz;
+}
+
+static void
+Vertex(GLfloat *v, GLfloat vx, GLfloat vy, GLfloat vz)
+{
+ v[0] = vx;
+ v[1] = vy;
+ v[2] = vz;
+}
+
+static void
+Texcoord(GLfloat *v, GLfloat s, GLfloat t)
+{
+ v[0] = s;
+ v[1] = t;
+}
+
+
+/* Borrowed from glut, adapted */
+static void
+draw_torus(GLfloat r, GLfloat R, GLint nsides, GLint rings)
+{
+ int i, j;
+ GLfloat theta, phi, theta1;
+ GLfloat cosTheta, sinTheta;
+ GLfloat cosTheta1, sinTheta1;
+ GLfloat ringDelta, sideDelta;
+ GLfloat varray[100][3], narray[100][3], tarray[100][2];
+ int vcount;
+
+ glVertexPointer(3, GL_FLOAT, 0, varray);
+ glNormalPointer(GL_FLOAT, 0, narray);
+ glTexCoordPointer(2, GL_FLOAT, 0, tarray);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_NORMAL_ARRAY);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+ ringDelta = 2.0 * M_PI / rings;
+ sideDelta = 2.0 * M_PI / nsides;
+
+ theta = 0.0;
+ cosTheta = 1.0;
+ sinTheta = 0.0;
+ for (i = rings - 1; i >= 0; i--) {
+ theta1 = theta + ringDelta;
+ cosTheta1 = cos(theta1);
+ sinTheta1 = sin(theta1);
+
+ vcount = 0; /* glBegin(GL_QUAD_STRIP); */
+
+ phi = 0.0;
+ for (j = nsides; j >= 0; j--) {
+ GLfloat s0, s1, t;
+ GLfloat cosPhi, sinPhi, dist;
+
+ phi += sideDelta;
+ cosPhi = cos(phi);
+ sinPhi = sin(phi);
+ dist = R + r * cosPhi;
+
+ s0 = 20.0 * theta / (2.0 * M_PI);
+ s1 = 20.0 * theta1 / (2.0 * M_PI);
+ t = 8.0 * phi / (2.0 * M_PI);
+
+ Normal(narray[vcount], cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi);
+ Texcoord(tarray[vcount], s1, t);
+ Vertex(varray[vcount], cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi);
+ vcount++;
+
+ Normal(narray[vcount], cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi);
+ Texcoord(tarray[vcount], s0, t);
+ Vertex(varray[vcount], cosTheta * dist, -sinTheta * dist, r * sinPhi);
+ vcount++;
+ }
+
+ /*glEnd();*/
+ assert(vcount <= 100);
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, vcount);
+
+ theta = theta1;
+ cosTheta = cosTheta1;
+ sinTheta = sinTheta1;
+ }
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_NORMAL_ARRAY);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+
+static void
+draw_torus_to_texture(void)
+{
+ glViewport(0, 0, TexWidth, TexHeight);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustumf(-1, 1, -1, 1, 5.0, 60.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -15.0);
+
+ glClearColor(0.4, 0.4, 0.4, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glBindTexture(GL_TEXTURE_2D, DotTexture);
+
+ glEnable(GL_LIGHTING);
+
+ glPushMatrix();
+ glRotatef(view_roty, 0, 1, 0);
+ glScalef(0.5, 0.5, 0.5);
+
+ draw_torus(1.0, 3.0, 30, 60);
+
+ glPopMatrix();
+
+ glDisable(GL_LIGHTING);
+
+#if 0
+ glBindTexture(GL_TEXTURE_2D, RenderTexture);
+ glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, TexWidth, TexHeight);
+#endif
+
+ glFinish();
+}
+
+
+static void
+draw_textured_quad(void)
+{
+ GLfloat ar = (GLfloat) WinWidth / (GLfloat) WinHeight;
+
+ glViewport(0, 0, WinWidth, WinHeight);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -8.0);
+
+ glClearColor(0.4, 0.4, 1.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glBindTexture(GL_TEXTURE_2D, RenderTexture);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1, 0, 0);
+ glRotatef(view_rotz, 0, 0, 1);
+
+ {
+ static const GLfloat texcoord[4][2] = {
+ { 0, 0 }, { 1, 0 }, { 0, 1 }, { 1, 1 }
+ };
+ static const GLfloat vertex[4][2] = {
+ { -1, -1 }, { 1, -1 }, { -1, 1 }, { 1, 1 }
+ };
+
+ glVertexPointer(2, GL_FLOAT, 0, vertex);
+ glTexCoordPointer(2, GL_FLOAT, 0, texcoord);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+ }
+
+ glPopMatrix();
+}
+
+
+
+static void
+draw(EGLDisplay egl_dpy, EGLSurface egl_surf, EGLSurface egl_pbuf,
+ EGLContext egl_ctx)
+{
+ /*printf("Begin draw\n");*/
+
+ /* first draw torus to pbuffer /texture */
+#if 01
+ if (!eglMakeCurrent(egl_dpy, egl_pbuf, egl_pbuf, egl_ctx)) {
+#else
+ if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
+#endif
+ printf("Error: eglMakeCurrent(pbuf) failed\n");
+ return;
+ }
+ draw_torus_to_texture();
+
+ /* draw textured quad to window */
+ if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
+ printf("Error: eglMakeCurrent(pbuffer) failed\n");
+ return;
+ }
+
+ glBindTexture(GL_TEXTURE_2D, RenderTexture);
+ eglBindTexImage(egl_dpy, egl_pbuf, EGL_BACK_BUFFER);
+ draw_textured_quad();
+ eglReleaseTexImage(egl_dpy, egl_pbuf, EGL_BACK_BUFFER);
+
+ eglSwapBuffers(egl_dpy, egl_surf);
+
+ /*printf("End draw\n");*/
+}
+
+
+
+static void
+make_dot_texture(void)
+{
+#define SZ 64
+ GLenum Filter = GL_LINEAR;
+ GLubyte image[SZ][SZ][4];
+ GLuint i, j;
+
+ for (i = 0; i < SZ; i++) {
+ for (j = 0; j < SZ; j++) {
+ GLfloat d = (i - SZ/2) * (i - SZ/2) + (j - SZ/2) * (j - SZ/2);
+ d = sqrt(d);
+ if (d < SZ/3) {
+ image[i][j][0] = 255;
+ image[i][j][1] = 255;
+ image[i][j][2] = 255;
+ image[i][j][3] = 255;
+ }
+ else {
+ image[i][j][0] = 127;
+ image[i][j][1] = 127;
+ image[i][j][2] = 127;
+ image[i][j][3] = 255;
+ }
+ }
+ }
+
+ glGenTextures(1, &DotTexture);
+ glBindTexture(GL_TEXTURE_2D, DotTexture);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SZ, SZ, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, image);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+#undef SZ
+}
+
+
+static void
+make_render_texture(void)
+{
+ GLenum Filter = GL_LINEAR;
+ glGenTextures(1, &RenderTexture);
+ glBindTexture(GL_TEXTURE_2D, RenderTexture);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TexWidth, TexHeight, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+}
+
+
+static void
+init(void)
+{
+ static const GLfloat red[4] = {1, 0, 0, 0};
+ static const GLfloat white[4] = {1.0, 1.0, 1.0, 1.0};
+ static const GLfloat diffuse[4] = {0.7, 0.7, 0.7, 1.0};
+ static const GLfloat specular[4] = {0.001, 0.001, 0.001, 1.0};
+ static const GLfloat pos[4] = {20, 20, 50, 1};
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, white);
+ glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 9.0);
+
+ glEnable(GL_LIGHT0);
+ glLightfv(GL_LIGHT0, GL_POSITION, pos);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
+
+ glEnable(GL_DEPTH_TEST);
+
+ make_dot_texture();
+ make_render_texture();
+
+ printf("DotTexture=%u RenderTexture=%u\n", DotTexture, RenderTexture);
+
+ glEnable(GL_TEXTURE_2D);
+}
+
+
+/*
+ * Create an RGB, double-buffered X window.
+ * Return the window and context handles.
+ */
+static void
+make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
+ const char *name,
+ int x, int y, int width, int height,
+ Window *winRet,
+ EGLContext *ctxRet,
+ EGLSurface *surfRet)
+{
+ static const EGLint attribs[] = {
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_DEPTH_SIZE, 1,
+ EGL_NONE
+ };
+
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+ XVisualInfo *visInfo, visTemplate;
+ int num_visuals;
+ EGLContext ctx;
+ EGLConfig config;
+ EGLint num_configs;
+ EGLint vid;
+
+ scrnum = DefaultScreen( x_dpy );
+ root = RootWindow( x_dpy, scrnum );
+
+ if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+ printf("Error: couldn't get an EGL visual config\n");
+ exit(1);
+ }
+
+ assert(config);
+ assert(num_configs > 0);
+
+ if (!eglGetConfigAttrib(egl_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;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ 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_ES_API);
+
+ ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
+ if (!ctx) {
+ printf("Error: eglCreateContext failed\n");
+ exit(1);
+ }
+
+ *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
+
+ if (!*surfRet) {
+ printf("Error: eglCreateWindowSurface failed\n");
+ exit(1);
+ }
+
+ XFree(visInfo);
+
+ *winRet = win;
+ *ctxRet = ctx;
+}
+
+
+static EGLSurface
+make_pbuffer(Display *x_dpy, EGLDisplay egl_dpy, int width, int height)
+{
+ static const EGLint config_attribs[] = {
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_DEPTH_SIZE, 1,
+ EGL_NONE
+ };
+ EGLConfig config;
+ EGLSurface pbuf;
+ EGLint num_configs;
+ EGLint pbuf_attribs[15];
+ int i = 0;
+
+ pbuf_attribs[i++] = EGL_WIDTH;
+ pbuf_attribs[i++] = width;
+ pbuf_attribs[i++] = EGL_HEIGHT;
+ pbuf_attribs[i++] = height;
+ pbuf_attribs[i++] = EGL_TEXTURE_FORMAT;
+ pbuf_attribs[i++] = EGL_TEXTURE_RGBA;
+ pbuf_attribs[i++] = EGL_TEXTURE_TARGET;
+ pbuf_attribs[i++] = EGL_TEXTURE_2D;
+ pbuf_attribs[i++] = EGL_MIPMAP_TEXTURE;
+ pbuf_attribs[i++] = EGL_FALSE;
+ pbuf_attribs[i++] = EGL_NONE;
+ assert(i <= 15);
+
+ if (!eglChooseConfig( egl_dpy, config_attribs, &config, 1, &num_configs)) {
+ printf("Error: couldn't get an EGL config for pbuffer\n");
+ exit(1);
+ }
+
+ pbuf = eglCreatePbufferSurface(egl_dpy, config, pbuf_attribs);
+
+ return pbuf;
+}
+
+
+static void
+event_loop(Display *dpy, Window win,
+ EGLDisplay egl_dpy, EGLSurface egl_surf, EGLSurface egl_pbuf,
+ EGLContext egl_ctx)
+{
+ int anim = 0;
+
+ while (1) {
+ int redraw = 0;
+
+ if (!anim || XPending(dpy)) {
+ XEvent event;
+ XNextEvent(dpy, &event);
+
+ switch (event.type) {
+ case Expose:
+ redraw = 1;
+ break;
+ case ConfigureNotify:
+ if (event.xconfigure.window == win) {
+ WinWidth = event.xconfigure.width;
+ WinHeight = 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] == ' ') {
+ anim = !anim;
+ }
+ else if (buffer[0] == 'z') {
+ view_rotz += 5.0;
+ }
+ else if (buffer[0] == 'Z') {
+ view_rotz -= 5.0;
+ }
+ else if (buffer[0] == 27) {
+ /* escape */
+ return;
+ }
+ }
+ }
+ redraw = 1;
+ break;
+ default:
+ ; /*no-op*/
+ }
+ }
+
+ if (anim) {
+ view_rotx += 1.0;
+ view_roty += 2.0;
+ redraw = 1;
+ }
+
+ if (redraw) {
+ draw(egl_dpy, egl_surf, egl_pbuf, egl_ctx);
+ }
+ }
+}
+
+
+static void
+usage(void)
+{
+ printf("Usage:\n");
+ printf(" -display <displayname> set the display to run on\n");
+ printf(" -info display OpenGL renderer info\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ Display *x_dpy;
+ Window win;
+ EGLSurface egl_surf, egl_pbuf;
+ EGLContext egl_ctx;
+ EGLDisplay egl_dpy;
+ char *dpyName = NULL;
+ GLboolean printInfo = GL_FALSE;
+ EGLint egl_major, egl_minor;
+ int i;
+ const char *s;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-display") == 0) {
+ dpyName = argv[i+1];
+ i++;
+ }
+ else if (strcmp(argv[i], "-info") == 0) {
+ printInfo = GL_TRUE;
+ }
+ else {
+ usage();
+ return -1;
+ }
+ }
+
+ x_dpy = XOpenDisplay(dpyName);
+ if (!x_dpy) {
+ printf("Error: couldn't open display %s\n",
+ dpyName ? dpyName : getenv("DISPLAY"));
+ return -1;
+ }
+
+ egl_dpy = eglGetDisplay(x_dpy);
+ if (!egl_dpy) {
+ printf("Error: eglGetDisplay() failed\n");
+ return -1;
+ }
+
+ if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
+ printf("Error: eglInitialize() failed\n");
+ return -1;
+ }
+
+ s = eglQueryString(egl_dpy, EGL_VERSION);
+ printf("EGL_VERSION = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_VENDOR);
+ printf("EGL_VENDOR = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
+ printf("EGL_EXTENSIONS = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
+ printf("EGL_CLIENT_APIS = %s\n", s);
+
+ make_x_window(x_dpy, egl_dpy,
+ "render_tex", 0, 0, WinWidth, WinHeight,
+ &win, &egl_ctx, &egl_surf);
+
+ egl_pbuf = make_pbuffer(x_dpy, egl_dpy, TexWidth, TexHeight);
+ if (!egl_pbuf) {
+ printf("Error: eglCreatePBufferSurface() failed\n");
+ return -1;
+ }
+
+ XMapWindow(x_dpy, win);
+ if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
+ printf("Error: eglMakeCurrent() failed\n");
+ return -1;
+ }
+
+ 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();
+
+ event_loop(x_dpy, win, egl_dpy, egl_surf, egl_pbuf, egl_ctx);
+
+ eglDestroyContext(egl_dpy, egl_ctx);
+ eglDestroySurface(egl_dpy, egl_surf);
+ eglTerminate(egl_dpy);
+
+
+ XDestroyWindow(x_dpy, win);
+ XCloseDisplay(x_dpy);
+
+ return 0;
+}
diff --git a/progs/egl/opengles1/texture_from_pixmap.c b/progs/egl/opengles1/texture_from_pixmap.c
new file mode 100644
index 00000000000..79b9474a574
--- /dev/null
+++ b/progs/egl/opengles1/texture_from_pixmap.c
@@ -0,0 +1,578 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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.
+ *
+ * Authors:
+ * Chia-I Wu <[email protected]>
+ */
+
+/*
+ * This demo uses EGL_KHR_image_pixmap and GL_OES_EGL_image to demonstrate
+ * texture-from-pixmap.
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h> /* for usleep */
+#include <sys/time.h> /* for gettimeofday */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+struct app_data {
+ /* native */
+ Display *xdpy;
+ Window canvas, cube;
+ Pixmap pix;
+ unsigned int width, height, depth;
+ GC fg, bg;
+
+ /* EGL */
+ EGLDisplay dpy;
+ EGLContext ctx;
+ EGLSurface surf;
+ EGLImageKHR img;
+
+ /* OpenGL ES */
+ GLuint texture;
+
+ PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
+ PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
+ PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
+
+ /* app state */
+ Bool loop;
+ Bool redraw, reshape;
+
+ struct {
+ Bool active;
+ unsigned long next_frame; /* in ms */
+ float view_rotx;
+ float view_roty;
+ float view_rotz;
+
+ } animate;
+
+ struct {
+ Bool active;
+ int x1, y1;
+ int x2, y2;
+ } paint;
+};
+
+static void
+gl_redraw(void)
+{
+ const GLfloat verts[4][2] = {
+ { -1, -1 },
+ { 1, -1 },
+ { 1, 1 },
+ { -1, 1 }
+ };
+ const GLfloat texcoords[4][2] = {
+ { 0, 1 },
+ { 1, 1 },
+ { 1, 0 },
+ { 0, 0 }
+ };
+ const GLfloat faces[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);
+
+ glVertexPointer(2, GL_FLOAT, 0, verts);
+ glTexCoordPointer(2, GL_FLOAT, 0, texcoords);
+
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+ for (i = 0; i < 6; i++) {
+ glPushMatrix();
+ glRotatef(faces[i][0], faces[i][1], faces[i][2], faces[i][3]);
+ glTranslatef(0, 0, 1.0);
+ glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+ glPopMatrix();
+ }
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+static void
+gl_reshape(int width, int height)
+{
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+ glViewport(0, 0, width, height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -10.0);
+}
+
+static void
+app_redraw(struct app_data *data)
+{
+ /* pixmap has changed */
+ if (data->reshape || data->paint.active) {
+ eglWaitNative(EGL_CORE_NATIVE_ENGINE);
+
+ if (data->reshape) {
+ data->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D,
+ (GLeglImageOES) data->img);
+ }
+ }
+
+ XCopyArea(data->xdpy, data->pix, data->canvas, data->fg,
+ 0, 0, data->width, data->height, 0, 0);
+
+ glPushMatrix();
+ glRotatef(data->animate.view_rotx, 1, 0, 0);
+ glRotatef(data->animate.view_roty, 0, 1, 0);
+ glRotatef(data->animate.view_rotz, 0, 0, 1);
+ gl_redraw();
+ glPopMatrix();
+
+ eglSwapBuffers(data->dpy, data->surf);
+}
+
+static void
+app_reshape(struct app_data *data)
+{
+ const EGLint img_attribs[] = {
+ EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
+ EGL_NONE
+ };
+
+ XResizeWindow(data->xdpy, data->cube, data->width, data->height);
+ XMoveWindow(data->xdpy, data->cube, data->width, 0);
+
+ if (data->img)
+ data->eglDestroyImageKHR(data->dpy, data->img);
+ if (data->pix)
+ XFreePixmap(data->xdpy, data->pix);
+
+ data->pix = XCreatePixmap(data->xdpy, data->canvas, data->width, data->height, data->depth);
+ XFillRectangle(data->xdpy, data->pix, data->bg, 0, 0, data->width, data->height);
+
+ data->img = data->eglCreateImageKHR(data->dpy, EGL_NO_CONTEXT,
+ EGL_NATIVE_PIXMAP_KHR, (EGLClientBuffer) data->pix, img_attribs);
+
+ gl_reshape(data->width, data->height);
+}
+
+static void
+app_toggle_animate(struct app_data *data)
+{
+ data->animate.active = !data->animate.active;
+
+ if (data->animate.active) {
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ data->animate.next_frame = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+ }
+}
+
+static void
+app_next_event(struct app_data *data)
+{
+ XEvent event;
+
+ data->reshape = False;
+ data->redraw = False;
+ data->paint.active = False;
+
+ if (data->animate.active) {
+ struct timeval tv;
+ unsigned long now;
+
+ gettimeofday(&tv, NULL);
+ now = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+
+ /* wait for next frame */
+ if (!XPending(data->xdpy) && now < data->animate.next_frame) {
+ usleep((data->animate.next_frame - now) * 1000);
+ gettimeofday(&tv, NULL);
+ now = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+ }
+
+ while (now >= data->animate.next_frame) {
+ data->animate.view_rotx += 1.0;
+ data->animate.view_roty += 2.0;
+ data->animate.view_rotz += 1.5;
+
+ /* 30fps */
+ data->animate.next_frame += 1000 / 30;
+ }
+
+ /* check again in case there were events when sleeping */
+ if (!XPending(data->xdpy)) {
+ data->redraw = True;
+ return;
+ }
+ }
+
+ XNextEvent(data->xdpy, &event);
+
+ switch (event.type) {
+ case ConfigureNotify:
+ data->width = event.xconfigure.width / 2;
+ data->height = event.xconfigure.height;
+ data->reshape = True;
+ break;
+ case Expose:
+ data->redraw = True;
+ break;
+ case KeyPress:
+ {
+ int code;
+
+ code = XLookupKeysym(&event.xkey, 0);
+ switch (code) {
+ case XK_a:
+ app_toggle_animate(data);
+ break;
+ case XK_Escape:
+ data->loop = False;
+ break;
+ default:
+ break;
+ }
+ }
+ break;
+ case ButtonPress:
+ data->paint.x1 = data->paint.x2 = event.xbutton.x;
+ data->paint.y1 = data->paint.y2 = event.xbutton.y;
+ break;
+ case ButtonRelease:
+ data->paint.active = False;
+ break;
+ case MotionNotify:
+ data->paint.x1 = data->paint.x2;
+ data->paint.y1 = data->paint.y2;
+ data->paint.x2 = event.xmotion.x;
+ data->paint.y2 = event.xmotion.y;
+ data->paint.active = True;
+ break;
+ default:
+ break;
+ }
+
+ if (data->paint.active || data->reshape)
+ data->redraw = True;
+}
+
+static void
+app_init_gl(struct app_data *data)
+{
+ glClearColor(0.1, 0.1, 0.3, 0.0);
+ glColor4f(1.0, 1.0, 1.0, 1.0);
+
+ glGenTextures(1, &data->texture);
+
+ glBindTexture(GL_TEXTURE_2D, data->texture);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_DEPTH_TEST);
+}
+
+static Bool
+app_init_exts(struct app_data *data)
+{
+ const char *exts;
+
+ exts = eglQueryString(data->dpy, EGL_EXTENSIONS);
+ data->eglCreateImageKHR =
+ (PFNEGLCREATEIMAGEKHRPROC) eglGetProcAddress("eglCreateImageKHR");
+ data->eglDestroyImageKHR =
+ (PFNEGLDESTROYIMAGEKHRPROC) eglGetProcAddress("eglDestroyImageKHR");
+ if (!exts || !strstr(exts, "EGL_KHR_image_pixmap") ||
+ !data->eglCreateImageKHR || !data->eglDestroyImageKHR) {
+ printf("EGL does not support EGL_KHR_image_pixmap\n");
+ return False;
+ }
+
+ exts = (const char *) glGetString(GL_EXTENSIONS);
+ data->glEGLImageTargetTexture2DOES = (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)
+ eglGetProcAddress("glEGLImageTargetTexture2DOES");
+ if (!exts || !strstr(exts, "GL_OES_EGL_image") ||
+ !data->glEGLImageTargetTexture2DOES) {
+ printf("OpenGL ES does not support GL_OES_EGL_image\n");
+ return False;
+ }
+
+ return True;
+}
+
+static void
+app_run(struct app_data *data)
+{
+ Window root;
+ int x, y;
+ unsigned int border;
+
+ if (!eglMakeCurrent(data->dpy, data->surf, data->surf, data->ctx))
+ return;
+
+ if (!app_init_exts(data))
+ return;
+
+ printf("Draw something on the left with the mouse!\n");
+
+ app_init_gl(data);
+
+ if (!XGetGeometry(data->xdpy, data->canvas, &root, &x, &y,
+ &data->width, &data->height, &border, &data->depth))
+ return;
+ data->width /= 2;
+
+ app_reshape(data);
+
+ XMapWindow(data->xdpy, data->canvas);
+ XMapWindow(data->xdpy, data->cube);
+
+ app_toggle_animate(data);
+ data->loop = True;
+
+ while (data->loop) {
+ app_next_event(data);
+
+ if (data->reshape)
+ app_reshape(data);
+ if (data->paint.active) {
+ XDrawLine(data->xdpy, data->pix, data->fg,
+ data->paint.x1, data->paint.y1,
+ data->paint.x2, data->paint.y2);
+ }
+
+ if (data->redraw)
+ app_redraw(data);
+ }
+
+ eglMakeCurrent(data->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+}
+
+static Bool
+make_x_window(struct app_data *data, const char *name,
+ int x, int y, int width, int height)
+{
+ static const EGLint attribs[] = {
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_DEPTH_SIZE, 1,
+ EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT,
+ EGL_NONE
+ };
+ static const EGLint ctx_attribs[] = {
+ EGL_CONTEXT_CLIENT_VERSION, 1,
+ EGL_NONE
+ };
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+ XVisualInfo *visInfo, visTemplate;
+ int num_visuals;
+ EGLConfig config;
+ EGLint num_configs;
+ EGLint vid;
+
+ scrnum = DefaultScreen( data->xdpy );
+ root = RootWindow( data->xdpy, scrnum );
+
+ if (!eglChooseConfig( data->dpy, attribs, &config, 1, &num_configs)) {
+ printf("Error: couldn't get an EGL visual config\n");
+ exit(1);
+ }
+
+ assert(config);
+ assert(num_configs > 0);
+
+ if (!eglGetConfigAttrib(data->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(data->xdpy, 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( data->xdpy, root, visInfo->visual, AllocNone);
+ attr.event_mask = StructureNotifyMask | ExposureMask |
+ KeyPressMask | ButtonPressMask | ButtonMotionMask;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ win = XCreateWindow( data->xdpy, root, 0, 0, width * 2, 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(data->xdpy, win, &sizehints);
+ XSetStandardProperties(data->xdpy, win, name, name,
+ None, (char **)NULL, 0, &sizehints);
+ }
+
+ data->canvas = win;
+
+ attr.event_mask = 0x0;
+ win = XCreateWindow( data->xdpy, win, width, 0, width, height,
+ 0, visInfo->depth, InputOutput,
+ visInfo->visual, mask, &attr );
+ data->cube = win;
+
+ eglBindAPI(EGL_OPENGL_ES_API);
+
+ data->ctx = eglCreateContext(data->dpy, config, EGL_NO_CONTEXT, ctx_attribs );
+ if (!data->ctx) {
+ printf("Error: eglCreateContext failed\n");
+ exit(1);
+ }
+
+ data->surf = eglCreateWindowSurface(data->dpy, config, data->cube, NULL);
+ if (!data->surf) {
+ printf("Error: eglCreateWindowSurface failed\n");
+ exit(1);
+ }
+
+ XFree(visInfo);
+
+ return (data->canvas && data->cube && data->ctx && data->surf);
+}
+
+static void
+app_fini(struct app_data *data)
+{
+ if (data->img)
+ data->eglDestroyImageKHR(data->dpy, data->img);
+ if (data->pix)
+ XFreePixmap(data->xdpy, data->pix);
+
+ if (data->fg)
+ XFreeGC(data->xdpy, data->fg);
+ if (data->bg)
+ XFreeGC(data->xdpy, data->bg);
+
+ if (data->surf)
+ eglDestroySurface(data->dpy, data->surf);
+ if (data->ctx)
+ eglDestroyContext(data->dpy, data->ctx);
+
+ if (data->cube)
+ XDestroyWindow(data->xdpy, data->cube);
+ if (data->canvas)
+ XDestroyWindow(data->xdpy, data->canvas);
+
+ if (data->dpy)
+ eglTerminate(data->dpy);
+ if (data->xdpy)
+ XCloseDisplay(data->xdpy);
+}
+
+static Bool
+app_init(struct app_data *data, int argc, char **argv)
+{
+ XGCValues gc_vals;
+
+ memset(data, 0, sizeof(*data));
+
+ data->xdpy = XOpenDisplay(NULL);
+ if (!data->xdpy)
+ goto fail;
+
+ data->dpy = eglGetDisplay(data->xdpy);
+ if (!data->dpy || !eglInitialize(data->dpy, NULL, NULL))
+ goto fail;
+
+ if (!make_x_window(data, "EGLImage TFP", 0, 0, 300, 300))
+ goto fail;
+
+ gc_vals.function = GXcopy;
+ gc_vals.foreground = WhitePixel(data->xdpy, DefaultScreen(data->xdpy));
+ gc_vals.line_width = 3;
+ gc_vals.line_style = LineSolid;
+ gc_vals.fill_style = FillSolid;
+
+ data->fg = XCreateGC(data->xdpy, data->canvas,
+ GCFunction | GCForeground | GCLineWidth | GCLineStyle | GCFillStyle,
+ &gc_vals);
+ gc_vals.foreground = BlackPixel(data->xdpy, DefaultScreen(data->xdpy));
+ data->bg = XCreateGC(data->xdpy, data->canvas,
+ GCFunction | GCForeground | GCLineWidth | GCLineStyle | GCFillStyle,
+ &gc_vals);
+ if (!data->fg || !data->bg)
+ goto fail;
+
+ return True;
+
+fail:
+ app_fini(data);
+ return False;
+}
+
+int
+main(int argc, char **argv)
+{
+ struct app_data data;
+
+ if (app_init(&data, argc, argv)) {
+ app_run(&data);
+ app_fini(&data);
+ }
+
+ return 0;
+}
diff --git a/progs/egl/opengles1/torus.c b/progs/egl/opengles1/torus.c
new file mode 100644
index 00000000000..8f262b53d6c
--- /dev/null
+++ b/progs/egl/opengles1/torus.c
@@ -0,0 +1,448 @@
+/*
+ * Copyright (C) 2008 Tunsgten Graphics,Inc. All Rights Reserved.
+ */
+
+/*
+ * Draw a lit, textured torus with X/EGL and OpenGL ES 1.x
+ * Brian Paul
+ * July 2008
+ */
+
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <GLES/gl.h>
+
+#include "eglut.h"
+
+static const struct {
+ GLenum internalFormat;
+ const char *name;
+ GLuint num_entries;
+ GLuint size;
+} cpal_formats[] = {
+ { GL_PALETTE4_RGB8_OES, "GL_PALETTE4_RGB8_OES", 16, 3 },
+ { GL_PALETTE4_RGBA8_OES, "GL_PALETTE4_RGBA8_OES", 16, 4 },
+ { GL_PALETTE4_R5_G6_B5_OES, "GL_PALETTE4_R5_G6_B5_OES", 16, 2 },
+ { GL_PALETTE4_RGBA4_OES, "GL_PALETTE4_RGBA4_OES", 16, 2 },
+ { GL_PALETTE4_RGB5_A1_OES, "GL_PALETTE4_RGB5_A1_OES", 16, 2 },
+ { GL_PALETTE8_RGB8_OES, "GL_PALETTE8_RGB8_OES", 256, 3 },
+ { GL_PALETTE8_RGBA8_OES, "GL_PALETTE8_RGBA8_OES", 256, 4 },
+ { GL_PALETTE8_R5_G6_B5_OES, "GL_PALETTE8_R5_G6_B5_OES", 256, 2 },
+ { GL_PALETTE8_RGBA4_OES, "GL_PALETTE8_RGBA4_OES", 256, 2 },
+ { GL_PALETTE8_RGB5_A1_OES, "GL_PALETTE8_RGB5_A1_OES", 256, 2 }
+};
+#define NUM_CPAL_FORMATS (sizeof(cpal_formats) / sizeof(cpal_formats[0]))
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+static GLint tex_format = NUM_CPAL_FORMATS;
+static GLboolean animate = GL_TRUE;
+static int win;
+
+
+static void
+Normal(GLfloat *n, GLfloat nx, GLfloat ny, GLfloat nz)
+{
+ n[0] = nx;
+ n[1] = ny;
+ n[2] = nz;
+}
+
+static void
+Vertex(GLfloat *v, GLfloat vx, GLfloat vy, GLfloat vz)
+{
+ v[0] = vx;
+ v[1] = vy;
+ v[2] = vz;
+}
+
+static void
+Texcoord(GLfloat *v, GLfloat s, GLfloat t)
+{
+ v[0] = s;
+ v[1] = t;
+}
+
+
+/* Borrowed from glut, adapted */
+static void
+draw_torus(GLfloat r, GLfloat R, GLint nsides, GLint rings)
+{
+ int i, j;
+ GLfloat theta, phi, theta1;
+ GLfloat cosTheta, sinTheta;
+ GLfloat cosTheta1, sinTheta1;
+ GLfloat ringDelta, sideDelta;
+ GLfloat varray[100][3], narray[100][3], tarray[100][2];
+ int vcount;
+
+ glVertexPointer(3, GL_FLOAT, 0, varray);
+ glNormalPointer(GL_FLOAT, 0, narray);
+ glTexCoordPointer(2, GL_FLOAT, 0, tarray);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_NORMAL_ARRAY);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+ ringDelta = 2.0 * M_PI / rings;
+ sideDelta = 2.0 * M_PI / nsides;
+
+ theta = 0.0;
+ cosTheta = 1.0;
+ sinTheta = 0.0;
+ for (i = rings - 1; i >= 0; i--) {
+ theta1 = theta + ringDelta;
+ cosTheta1 = cos(theta1);
+ sinTheta1 = sin(theta1);
+
+ vcount = 0; /* glBegin(GL_QUAD_STRIP); */
+
+ phi = 0.0;
+ for (j = nsides; j >= 0; j--) {
+ GLfloat s0, s1, t;
+ GLfloat cosPhi, sinPhi, dist;
+
+ phi += sideDelta;
+ cosPhi = cos(phi);
+ sinPhi = sin(phi);
+ dist = R + r * cosPhi;
+
+ s0 = 20.0 * theta / (2.0 * M_PI);
+ s1 = 20.0 * theta1 / (2.0 * M_PI);
+ t = 8.0 * phi / (2.0 * M_PI);
+
+ Normal(narray[vcount], cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi);
+ Texcoord(tarray[vcount], s1, t);
+ Vertex(varray[vcount], cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi);
+ vcount++;
+
+ Normal(narray[vcount], cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi);
+ Texcoord(tarray[vcount], s0, t);
+ Vertex(varray[vcount], cosTheta * dist, -sinTheta * dist, r * sinPhi);
+ vcount++;
+ }
+
+ /*glEnd();*/
+ assert(vcount <= 100);
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, vcount);
+
+ theta = theta1;
+ cosTheta = cosTheta1;
+ sinTheta = sinTheta1;
+ }
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_NORMAL_ARRAY);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+
+static void
+draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1, 0, 0);
+ glRotatef(view_roty, 0, 1, 0);
+ glRotatef(view_rotz, 0, 0, 1);
+ glScalef(0.5, 0.5, 0.5);
+
+ draw_torus(1.0, 3.0, 30, 60);
+
+ glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+
+#ifdef GL_VERSION_ES_CM_1_0
+ glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+#else
+ glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+#endif
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -15.0);
+}
+
+
+static GLint
+make_cpal_texture(GLint idx)
+{
+#define SZ 64
+ GLenum internalFormat = GL_PALETTE4_RGB8_OES + idx;
+ GLenum Filter = GL_LINEAR;
+ GLubyte palette[256 * 4 + SZ * SZ];
+ GLubyte *indices;
+ GLsizei image_size;
+ GLuint i, j;
+ GLuint packed_indices = 0;
+
+ assert(cpal_formats[idx].internalFormat == internalFormat);
+
+ /* init palette */
+ switch (internalFormat) {
+ case GL_PALETTE4_RGB8_OES:
+ case GL_PALETTE8_RGB8_OES:
+ /* first entry */
+ palette[0] = 255;
+ palette[1] = 255;
+ palette[2] = 255;
+ /* second entry */
+ palette[3] = 127;
+ palette[4] = 127;
+ palette[5] = 127;
+ break;
+ case GL_PALETTE4_RGBA8_OES:
+ case GL_PALETTE8_RGBA8_OES:
+ /* first entry */
+ palette[0] = 255;
+ palette[1] = 255;
+ palette[2] = 255;
+ palette[3] = 255;
+ /* second entry */
+ palette[4] = 127;
+ palette[5] = 127;
+ palette[6] = 127;
+ palette[7] = 255;
+ break;
+ case GL_PALETTE4_R5_G6_B5_OES:
+ case GL_PALETTE8_R5_G6_B5_OES:
+ {
+ GLushort *pal = (GLushort *) palette;
+ /* first entry */
+ pal[0] = (31 << 11 | 63 << 5 | 31);
+ /* second entry */
+ pal[1] = (15 << 11 | 31 << 5 | 15);
+ }
+ break;
+ case GL_PALETTE4_RGBA4_OES:
+ case GL_PALETTE8_RGBA4_OES:
+ {
+ GLushort *pal = (GLushort *) palette;
+ /* first entry */
+ pal[0] = (15 << 12 | 15 << 8 | 15 << 4 | 15);
+ /* second entry */
+ pal[1] = (7 << 12 | 7 << 8 | 7 << 4 | 15);
+ }
+ break;
+ case GL_PALETTE4_RGB5_A1_OES:
+ case GL_PALETTE8_RGB5_A1_OES:
+ {
+ GLushort *pal = (GLushort *) palette;
+ /* first entry */
+ pal[0] = (31 << 11 | 31 << 6 | 31 << 1 | 1);
+ /* second entry */
+ pal[1] = (15 << 11 | 15 << 6 | 15 << 1 | 1);
+ }
+ break;
+ }
+
+ image_size = cpal_formats[idx].size * cpal_formats[idx].num_entries;
+ indices = palette + image_size;
+ for (i = 0; i < SZ; i++) {
+ for (j = 0; j < SZ; j++) {
+ GLfloat d;
+ GLint index;
+ d = (i - SZ/2) * (i - SZ/2) + (j - SZ/2) * (j - SZ/2);
+ d = sqrt(d);
+ index = (d < SZ / 3) ? 0 : 1;
+
+ if (cpal_formats[idx].num_entries == 16) {
+ /* 4-bit indices packed in GLubyte */
+ packed_indices |= index << (4 * (1 - (j % 2)));
+ if (j % 2) {
+ *(indices + (i * SZ + j - 1) / 2) = packed_indices & 0xff;
+ packed_indices = 0;
+ image_size += 1;
+ }
+ }
+ else {
+ /* 8-bit indices */
+ *(indices + i * SZ + j) = index;
+ image_size += 1;
+ }
+ }
+ }
+
+ glActiveTexture(GL_TEXTURE0); /* unit 0 */
+ glBindTexture(GL_TEXTURE_2D, 42);
+ glCompressedTexImage2D(GL_TEXTURE_2D, 0, internalFormat, SZ, SZ, 0,
+ image_size, palette);
+
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+#undef SZ
+
+ return image_size;
+}
+
+
+static GLint
+make_texture(void)
+{
+#define SZ 64
+ GLenum Filter = GL_LINEAR;
+ GLubyte image[SZ][SZ][4];
+ GLuint i, j;
+
+ for (i = 0; i < SZ; i++) {
+ for (j = 0; j < SZ; j++) {
+ GLfloat d = (i - SZ/2) * (i - SZ/2) + (j - SZ/2) * (j - SZ/2);
+ d = sqrt(d);
+ if (d < SZ/3) {
+ image[i][j][0] = 255;
+ image[i][j][1] = 255;
+ image[i][j][2] = 255;
+ image[i][j][3] = 255;
+ }
+ else {
+ image[i][j][0] = 127;
+ image[i][j][1] = 127;
+ image[i][j][2] = 127;
+ image[i][j][3] = 255;
+ }
+ }
+ }
+
+ glActiveTexture(GL_TEXTURE0); /* unit 0 */
+ glBindTexture(GL_TEXTURE_2D, 42);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SZ, SZ, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, image);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+#undef SZ
+
+ return sizeof(image);
+}
+
+
+
+static void
+init(void)
+{
+ static const GLfloat red[4] = {1, 0, 0, 0};
+ static const GLfloat white[4] = {1.0, 1.0, 1.0, 1.0};
+ static const GLfloat diffuse[4] = {0.7, 0.7, 0.7, 1.0};
+ static const GLfloat specular[4] = {0.001, 0.001, 0.001, 1.0};
+ static const GLfloat pos[4] = {20, 20, 50, 1};
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, white);
+ glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 9.0);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glLightfv(GL_LIGHT0, GL_POSITION, pos);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
+
+ glClearColor(0.4, 0.4, 0.4, 0.0);
+ glEnable(GL_DEPTH_TEST);
+
+ make_texture();
+ glEnable(GL_TEXTURE_2D);
+}
+
+
+static void
+idle(void)
+{
+ if (animate) {
+ view_rotx += 1.0;
+ view_roty += 2.0;
+ eglutPostRedisplay();
+ }
+}
+
+static void
+key(unsigned char key)
+{
+ switch (key) {
+ case ' ':
+ animate = !animate;
+ break;
+ case 't':
+ {
+ GLint size;
+ tex_format = (tex_format + 1) % (NUM_CPAL_FORMATS + 1);
+ if (tex_format < NUM_CPAL_FORMATS) {
+ size = make_cpal_texture(tex_format);
+ printf("Using %s (%d bytes)\n",
+ cpal_formats[tex_format].name, size);
+ }
+ else {
+ size = make_texture();
+ printf("Using uncompressed texture (%d bytes)\n", size);
+ }
+
+ eglutPostRedisplay();
+ }
+ break;
+ case 27:
+ eglutDestroyWindow(win);
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+special_key(int key)
+{
+ switch (key) {
+ case EGLUT_KEY_LEFT:
+ view_roty += 5.0;
+ break;
+ case EGLUT_KEY_RIGHT:
+ view_roty -= 5.0;
+ break;
+ case EGLUT_KEY_UP:
+ view_rotx += 5.0;
+ break;
+ case EGLUT_KEY_DOWN:
+ view_rotx -= 5.0;
+ break;
+ default:
+ break;
+ }
+}
+
+int
+main(int argc, char *argv[])
+{
+ eglutInitWindowSize(300, 300);
+ eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+ eglutInit(argc, argv);
+
+ win = eglutCreateWindow("torus");
+
+ eglutIdleFunc(idle);
+ eglutReshapeFunc(reshape);
+ eglutDisplayFunc(draw);
+ eglutKeyboardFunc(key);
+ eglutSpecialFunc(special_key);
+
+ init();
+
+ eglutMainLoop();
+
+ return 0;
+}
diff --git a/progs/egl/opengles1/tri.c b/progs/egl/opengles1/tri.c
new file mode 100644
index 00000000000..01ad9bd37e4
--- /dev/null
+++ b/progs/egl/opengles1/tri.c
@@ -0,0 +1,211 @@
+/*
+ * 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.
+ */
+
+/*
+ * Draw a triangle with X/EGL and OpenGL ES 1.x
+ * Brian Paul
+ * 5 June 2008
+ */
+
+#define USE_FIXED_POINT 0
+
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <GLES/gl.h> /* use OpenGL ES 1.x */
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+
+#include "eglut.h"
+
+
+#define FLOAT_TO_FIXED(X) ((X) * 65535.0)
+
+
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+
+
+static void
+draw(void)
+{
+#if USE_FIXED_POINT
+ static const GLfixed verts[3][2] = {
+ { -65536, -65536 },
+ { 65536, -65536 },
+ { 0, 65536 }
+ };
+ static const GLfixed colors[3][4] = {
+ { 65536, 0, 0, 65536 },
+ { 0, 65536, 0 , 65536},
+ { 0, 0, 65536 , 65536}
+ };
+#else
+ static const GLfloat verts[3][2] = {
+ { -1, -1 },
+ { 1, -1 },
+ { 0, 1 }
+ };
+ static const GLfloat colors[3][4] = {
+ { 1, 0, 0, 1 },
+ { 0, 1, 0, 1 },
+ { 0, 0, 1, 1 }
+ };
+#endif
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1, 0, 0);
+ glRotatef(view_roty, 0, 1, 0);
+ glRotatef(view_rotz, 0, 0, 1);
+
+ {
+#if USE_FIXED_POINT
+ glVertexPointer(2, GL_FIXED, 0, verts);
+ glColorPointer(4, GL_FIXED, 0, colors);
+#else
+ glVertexPointer(2, GL_FLOAT, 0, verts);
+ glColorPointer(4, GL_FLOAT, 0, colors);
+#endif
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_COLOR_ARRAY);
+
+ /* draw triangle */
+ glDrawArrays(GL_TRIANGLES, 0, 3);
+
+ /* draw some points */
+ glPointSizex(FLOAT_TO_FIXED(15.5));
+ glDrawArrays(GL_POINTS, 0, 3);
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_COLOR_ARRAY);
+ }
+
+ if (0) {
+ /* test code */
+ GLfixed size;
+ glGetFixedv(GL_POINT_SIZE, &size);
+ printf("GL_POINT_SIZE = 0x%x %f\n", size, size / 65536.0);
+ }
+
+ glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+#ifdef GL_VERSION_ES_CM_1_0
+ glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+#else
+ glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+#endif
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -10.0);
+}
+
+
+static void
+test_query_matrix(void)
+{
+ PFNGLQUERYMATRIXXOESPROC procQueryMatrixx;
+ typedef void (*voidproc)();
+ GLfixed mantissa[16];
+ GLint exponent[16];
+ GLbitfield rv;
+ int i;
+
+ procQueryMatrixx = (PFNGLQUERYMATRIXXOESPROC) eglGetProcAddress("glQueryMatrixxOES");
+ assert(procQueryMatrixx);
+ /* Actually try out this one */
+ rv = (*procQueryMatrixx)(mantissa, exponent);
+ for (i = 0; i < 16; i++) {
+ if (rv & (1<<i)) {
+ printf("matrix[%d] invalid\n", i);
+ }
+ else {
+ printf("matrix[%d] = %f * 2^(%d)\n", i, mantissa[i]/65536.0, exponent[i]);
+ }
+ }
+ assert(!eglGetProcAddress("glFoo"));
+}
+
+
+static void
+init(void)
+{
+ glClearColor(0.4, 0.4, 0.4, 0.0);
+
+ if (0)
+ test_query_matrix();
+}
+
+static void
+special_key(int special)
+{
+ switch (special) {
+ case EGLUT_KEY_LEFT:
+ view_roty += 5.0;
+ break;
+ case EGLUT_KEY_RIGHT:
+ view_roty -= 5.0;
+ break;
+ case EGLUT_KEY_UP:
+ view_rotx += 5.0;
+ break;
+ case EGLUT_KEY_DOWN:
+ view_rotx -= 5.0;
+ break;
+ default:
+ break;
+ }
+}
+
+int
+main(int argc, char *argv[])
+{
+ eglutInitWindowSize(300, 300);
+ eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+ eglutInit(argc, argv);
+
+ eglutCreateWindow("tri");
+
+ eglutReshapeFunc(reshape);
+ eglutDisplayFunc(draw);
+ eglutSpecialFunc(special_key);
+
+ init();
+
+ eglutMainLoop();
+
+ return 0;
+}
diff --git a/progs/egl/opengles1/two_win.c b/progs/egl/opengles1/two_win.c
new file mode 100644
index 00000000000..4785e5304d3
--- /dev/null
+++ b/progs/egl/opengles1/two_win.c
@@ -0,0 +1,433 @@
+/*
+ * 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.
+ */
+
+/*
+ * Test drawing to two windows.
+ * Brian Paul
+ * August 2008
+ */
+
+
+#include <assert.h>
+#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 <GLES/gl.h>
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+
+
+static int WinWidth[2] = {150, 300}, WinHeight[2] = {150, 300};
+
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+#ifdef GL_VERSION_ES_CM_1_0
+ glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+#else
+ glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+#endif
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -10.0);
+}
+
+
+static void
+draw(int win)
+{
+ static const GLfloat verts[3][2] = {
+ { -1, -1 },
+ { 1, -1 },
+ { 0, 1 }
+ };
+ static const GLfloat colors[3][4] = {
+ { 1, 0, 0, 1 },
+ { 0, 1, 0, 1 },
+ { 0, 0, 1, 1 }
+ };
+
+ assert(win == 0 || win == 1);
+
+ reshape(WinWidth[win], WinHeight[win]);
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1, 0, 0);
+ glRotatef(view_roty, 0, 1, 0);
+ glRotatef(view_rotz, 0, 0, 1);
+
+ /* draw triangle */
+ {
+ glVertexPointer(2, GL_FLOAT, 0, verts);
+ glColorPointer(4, 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);
+ }
+
+ glPopMatrix();
+}
+
+
+static void
+init(void)
+{
+ glClearColor(0.4, 0.4, 0.4, 0.0);
+}
+
+
+/*
+ * Create an RGB, double-buffered X window.
+ * Return the window and context handles.
+ */
+static void
+make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
+ const char *name,
+ int x, int y, int width, int height,
+ Window *winRet,
+ EGLContext *ctxRet,
+ EGLSurface *surfRet)
+{
+ static const EGLint attribs[] = {
+ EGL_RED_SIZE, 1,
+ EGL_GREEN_SIZE, 1,
+ EGL_BLUE_SIZE, 1,
+ EGL_DEPTH_SIZE, 1,
+ EGL_NONE
+ };
+
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+ XVisualInfo *visInfo, visTemplate;
+ int num_visuals;
+ EGLContext ctx;
+ EGLConfig config;
+ EGLint num_configs;
+ EGLint vid;
+
+ scrnum = DefaultScreen( x_dpy );
+ root = RootWindow( x_dpy, scrnum );
+
+ if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+ printf("Error: couldn't get an EGL visual config\n");
+ exit(1);
+ }
+
+ assert(config);
+ assert(num_configs > 0);
+
+ if (!eglGetConfigAttrib(egl_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;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ win = XCreateWindow( x_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(x_dpy, win, &sizehints);
+ XSetStandardProperties(x_dpy, win, name, name,
+ None, (char **)NULL, 0, &sizehints);
+ }
+
+#if USE_FULL_GL
+ eglBindAPI(EGL_OPENGL_API);
+#else
+ eglBindAPI(EGL_OPENGL_ES_API);
+#endif
+
+ if (ctxRet) {
+ ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
+ if (!ctx) {
+ printf("Error: eglCreateContext failed\n");
+ exit(1);
+ }
+ *ctxRet = ctx;
+ }
+
+ *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
+
+ if (!*surfRet) {
+ printf("Error: eglCreateWindowSurface failed\n");
+ exit(1);
+ }
+
+ XFree(visInfo);
+
+ *winRet = win;
+}
+
+
+static void
+event_loop(Display *dpy, Window win1, Window win2,
+ EGLDisplay egl_dpy, EGLSurface egl_surf1, EGLSurface egl_surf2,
+ EGLContext egl_ctx)
+{
+ while (1) {
+ int redraw = 0;
+ int win;
+ XEvent event;
+
+ XNextEvent(dpy, &event);
+
+ switch (event.type) {
+ case Expose:
+ redraw = 1;
+ break;
+ case ConfigureNotify:
+ if (event.xconfigure.window == win1)
+ win = 0;
+ else
+ win = 1;
+ WinWidth[win] = event.xconfigure.width;
+ WinHeight[win] = 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;
+ }
+ }
+ }
+ redraw = 1;
+ break;
+ default:
+ ; /*no-op*/
+ }
+
+ if (redraw) {
+ /* win 1 */
+ if (!eglMakeCurrent(egl_dpy, egl_surf1, egl_surf1, egl_ctx)) {
+ printf("Error: eglMakeCurrent(1) failed\n");
+ return;
+ }
+ draw(0);
+ eglSwapBuffers(egl_dpy, egl_surf1);
+
+ /* win 2 */
+ if (!eglMakeCurrent(egl_dpy, egl_surf2, egl_surf2, egl_ctx)) {
+ printf("Error: eglMakeCurrent(2) failed\n");
+ return;
+ }
+ draw(1);
+ eglSwapBuffers(egl_dpy, egl_surf2);
+ }
+ }
+}
+
+
+static void
+usage(void)
+{
+ printf("Usage:\n");
+ printf(" -display <displayname> set the display to run on\n");
+ printf(" -info display OpenGL renderer info\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ Display *x_dpy;
+ Window win1, win2;
+ EGLSurface egl_surf1, egl_surf2;
+ EGLContext egl_ctx;
+ EGLDisplay egl_dpy;
+ char *dpyName = NULL;
+ GLboolean printInfo = GL_FALSE;
+ EGLint egl_major, egl_minor;
+ int i;
+ const char *s;
+
+ static struct {
+ char *name;
+ GLenum value;
+ enum {GetString, GetInteger} type;
+ } info_items[] = {
+ {"GL_RENDERER", GL_RENDERER, GetString},
+ {"GL_VERSION", GL_VERSION, GetString},
+ {"GL_VENDOR", GL_VENDOR, GetString},
+ {"GL_EXTENSIONS", GL_EXTENSIONS, GetString},
+ {"GL_MAX_PALETTE_MATRICES_OES", GL_MAX_PALETTE_MATRICES_OES, GetInteger},
+ {"GL_MAX_VERTEX_UNITS_OES", GL_MAX_VERTEX_UNITS_OES, GetInteger},
+ };
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-display") == 0) {
+ dpyName = argv[i+1];
+ i++;
+ }
+ else if (strcmp(argv[i], "-info") == 0) {
+ printInfo = GL_TRUE;
+ }
+ else {
+ usage();
+ return -1;
+ }
+ }
+
+ x_dpy = XOpenDisplay(dpyName);
+ if (!x_dpy) {
+ printf("Error: couldn't open display %s\n",
+ dpyName ? dpyName : getenv("DISPLAY"));
+ return -1;
+ }
+
+ egl_dpy = eglGetDisplay(x_dpy);
+ if (!egl_dpy) {
+ printf("Error: eglGetDisplay() failed\n");
+ return -1;
+ }
+
+ if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
+ printf("Error: eglInitialize() failed\n");
+ return -1;
+ }
+
+ s = eglQueryString(egl_dpy, EGL_VERSION);
+ printf("EGL_VERSION = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_VENDOR);
+ printf("EGL_VENDOR = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
+ printf("EGL_EXTENSIONS = %s\n", s);
+
+ s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
+ printf("EGL_CLIENT_APIS = %s\n", s);
+
+ make_x_window(x_dpy, egl_dpy,
+ "xegl_two_win #1", 0, 0, WinWidth[0], WinHeight[0],
+ &win1, &egl_ctx, &egl_surf1);
+
+ make_x_window(x_dpy, egl_dpy,
+ "xegl_two_win #2", WinWidth[0] + 50, 0,
+ WinWidth[1], WinHeight[1],
+ &win2, NULL, &egl_surf2);
+
+ XMapWindow(x_dpy, win1);
+
+ XMapWindow(x_dpy, win2);
+
+ if (!eglMakeCurrent(egl_dpy, egl_surf1, egl_surf1, egl_ctx)) {
+ printf("Error: eglMakeCurrent() failed\n");
+ return -1;
+ }
+
+ if (printInfo) {
+ for (i = 0; i < sizeof(info_items)/sizeof(info_items[0]); i++) {
+ switch (info_items[i].type) {
+ case GetString:
+ printf("%s = %s\n", info_items[i].name, (char *)glGetString(info_items[i].value));
+ break;
+ case GetInteger: {
+ GLint rv = -1;
+ glGetIntegerv(info_items[i].value, &rv);
+ printf("%s = %d\n", info_items[i].name, rv);
+ break;
+ }
+ }
+ }
+ };
+
+ init();
+
+ event_loop(x_dpy, win1, win2, egl_dpy, egl_surf1, egl_surf2, egl_ctx);
+
+ eglDestroyContext(egl_dpy, egl_ctx);
+ eglDestroySurface(egl_dpy, egl_surf1);
+ eglDestroySurface(egl_dpy, egl_surf2);
+ eglTerminate(egl_dpy);
+
+ XDestroyWindow(x_dpy, win1);
+ XDestroyWindow(x_dpy, win2);
+ XCloseDisplay(x_dpy);
+
+ return 0;
+}
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