diff options
Diffstat (limited to 'progs/tests')
-rw-r--r-- | progs/tests/.gitignore | 4 | ||||
-rw-r--r-- | progs/tests/Makefile | 7 | ||||
-rw-r--r-- | progs/tests/SConscript | 2 | ||||
-rw-r--r-- | progs/tests/arbgpuprog.c | 230 | ||||
-rw-r--r-- | progs/tests/getteximage.c | 217 | ||||
-rw-r--r-- | progs/tests/mipmap_comp_tests.c | 313 | ||||
-rw-r--r-- | progs/tests/persp_hint.c | 149 | ||||
-rw-r--r-- | progs/tests/prim.c | 559 | ||||
-rw-r--r-- | progs/tests/tkmap.c | 71 |
9 files changed, 1551 insertions, 1 deletions
diff --git a/progs/tests/.gitignore b/progs/tests/.gitignore index d6a85387676..917c4f3e8d2 100644 --- a/progs/tests/.gitignore +++ b/progs/tests/.gitignore @@ -5,6 +5,7 @@ arbfpspec arbfptest1 arbfptexture arbfptrig +arbgpuprog arbnpot arbnpot-mipmap arbvptest1 @@ -38,6 +39,7 @@ fptest1 fptexture getprocaddress getproclist.h +getteximage glutfx interleave invert @@ -49,11 +51,13 @@ mapvbo minmag mipgen mipmap_comp +mipmap_comp_tests mipmap_limits mipmap_view multipal no_s3tc packedpixels +persp_hint pbo prog_parameter quads diff --git a/progs/tests/Makefile b/progs/tests/Makefile index 7604b227887..f380ed4f547 100644 --- a/progs/tests/Makefile +++ b/progs/tests/Makefile @@ -17,6 +17,7 @@ SOURCES = \ arbfptest1.c \ arbfptexture.c \ arbfptrig.c \ + arbgpuprog.c \ arbnpot.c \ arbnpot-mipmap.c \ arbvptest1.c \ @@ -48,7 +49,8 @@ SOURCES = \ fptest1.c \ fptexture.c \ getprocaddress.c \ - glutfx \ + getteximage.c \ + glutfx.c \ interleave.c \ invert.c \ jkrahntest.c \ @@ -59,12 +61,15 @@ SOURCES = \ minmag.c \ mipgen.c \ mipmap_comp.c \ + mipmap_comp_tests.c \ mipmap_limits.c \ mipmap_view.c \ multipal.c \ no_s3tc.c \ packedpixels.c \ pbo.c \ + persp_hint.c \ + prim.c \ prog_parameter.c \ quads.c \ random.c \ diff --git a/progs/tests/SConscript b/progs/tests/SConscript index 9d89ff6a0d0..4c75246c30e 100644 --- a/progs/tests/SConscript +++ b/progs/tests/SConscript @@ -82,6 +82,7 @@ progs = [ 'minmag', 'mipgen', 'mipmap_comp', + 'mipmap_comp_tests', 'mipmap_limits', 'mipmap_view', 'multipal', @@ -90,6 +91,7 @@ progs = [ 'no_s3tc', 'packedpixels', 'pbo', + 'persp_hint', 'prog_parameter', 'quads', 'random', diff --git a/progs/tests/arbgpuprog.c b/progs/tests/arbgpuprog.c new file mode 100644 index 00000000000..23aa899d963 --- /dev/null +++ b/progs/tests/arbgpuprog.c @@ -0,0 +1,230 @@ +/** + * Just compile ARB vert/frag program from named file(s). + */ + +#include <assert.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <GL/glut.h> + + +static GLuint FragProg; +static GLuint VertProg; +static GLint Win; + +static PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB_func; +static PFNGLPROGRAMLOCALPARAMETER4DARBPROC glProgramLocalParameter4dARB_func; +static PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC glGetProgramLocalParameterdvARB_func; +static PFNGLGENPROGRAMSARBPROC glGenProgramsARB_func; +static PFNGLPROGRAMSTRINGARBPROC glProgramStringARB_func; +static PFNGLBINDPROGRAMARBPROC glBindProgramARB_func; +static PFNGLISPROGRAMARBPROC glIsProgramARB_func; +static PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB_func; + + +static void Redisplay( void ) +{ + glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); + glutSwapBuffers(); + exit(0); +} + + +static void Reshape( int width, int height ) +{ + glViewport( 0, 0, width, height ); + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 ); + glMatrixMode( GL_MODELVIEW ); + glLoadIdentity(); + glTranslatef( 0.0, 0.0, -15.0 ); +} + + +static void Key( unsigned char key, int x, int y ) +{ + (void) x; + (void) y; + switch (key) { + case 27: + glDeleteProgramsARB_func(1, &VertProg); + glDeleteProgramsARB_func(1, &FragProg); + glutDestroyWindow(Win); + exit(0); + break; + } + glutPostRedisplay(); +} + + +/* A helper for finding errors in program strings */ +static int FindLine( const char *program, int position ) +{ + int i, line = 1; + for (i = 0; i < position; i++) { + if (program[i] == '\n') + line++; + } + return line; +} + + +static void Init( const char *vertProgFile, + const char *fragProgFile ) +{ + GLint errorPos; + char buf[10*1000]; + + if (!glutExtensionSupported("GL_ARB_vertex_program")) { + printf("Sorry, this demo requires GL_ARB_vertex_program\n"); + exit(1); + } + if (!glutExtensionSupported("GL_ARB_fragment_program")) { + printf("Sorry, this demo requires GL_ARB_fragment_program\n"); + exit(1); + } + + printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); + + /* + * Get extension function pointers. + */ + glProgramLocalParameter4fvARB_func = (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC) glutGetProcAddress("glProgramLocalParameter4fvARB"); + assert(glProgramLocalParameter4fvARB_func); + + glProgramLocalParameter4dARB_func = (PFNGLPROGRAMLOCALPARAMETER4DARBPROC) glutGetProcAddress("glProgramLocalParameter4dARB"); + assert(glProgramLocalParameter4dARB_func); + + glGetProgramLocalParameterdvARB_func = (PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC) glutGetProcAddress("glGetProgramLocalParameterdvARB"); + assert(glGetProgramLocalParameterdvARB_func); + + glGenProgramsARB_func = (PFNGLGENPROGRAMSARBPROC) glutGetProcAddress("glGenProgramsARB"); + assert(glGenProgramsARB_func); + + glProgramStringARB_func = (PFNGLPROGRAMSTRINGARBPROC) glutGetProcAddress("glProgramStringARB"); + assert(glProgramStringARB_func); + + glBindProgramARB_func = (PFNGLBINDPROGRAMARBPROC) glutGetProcAddress("glBindProgramARB"); + assert(glBindProgramARB_func); + + glIsProgramARB_func = (PFNGLISPROGRAMARBPROC) glutGetProcAddress("glIsProgramARB"); + assert(glIsProgramARB_func); + + glDeleteProgramsARB_func = (PFNGLDELETEPROGRAMSARBPROC) glutGetProcAddress("glDeleteProgramsARB"); + assert(glDeleteProgramsARB_func); + + /* + * Vertex program + */ + if (vertProgFile) { + FILE *f; + int len; + + glGenProgramsARB_func(1, &VertProg); + assert(VertProg > 0); + glBindProgramARB_func(GL_VERTEX_PROGRAM_ARB, VertProg); + + f = fopen(vertProgFile, "r"); + if (!f) { + printf("Unable to open %s\n", fragProgFile); + exit(1); + } + + len = fread(buf, 1, 10*1000,f); + glProgramStringARB_func(GL_VERTEX_PROGRAM_ARB, + GL_PROGRAM_FORMAT_ASCII_ARB, + len, + (const GLubyte *) buf); + + glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorPos); + if (glGetError() != GL_NO_ERROR || errorPos != -1) { + int l = FindLine(buf, errorPos); + printf("Vertex Program Error (pos=%d line=%d): %s\n", errorPos, l, + (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB)); + exit(0); + } + else { + glEnable(GL_VERTEX_PROGRAM_ARB); + printf("Vertex Program OK\n"); + } + } + + /* + * Fragment program + */ + if (fragProgFile) { + FILE *f; + int len; + + glGenProgramsARB_func(1, &FragProg); + assert(FragProg > 0); + glBindProgramARB_func(GL_FRAGMENT_PROGRAM_ARB, FragProg); + + f = fopen(fragProgFile, "r"); + if (!f) { + printf("Unable to open %s\n", fragProgFile); + exit(1); + } + + len = fread(buf, 1, 10*1000,f); + glProgramStringARB_func(GL_FRAGMENT_PROGRAM_ARB, + GL_PROGRAM_FORMAT_ASCII_ARB, + len, + (const GLubyte *) buf); + + glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorPos); + if (glGetError() != GL_NO_ERROR || errorPos != -1) { + int l = FindLine(buf, errorPos); + printf("Fragment Program Error (pos=%d line=%d): %s\n", errorPos, l, + (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB)); + exit(0); + } + else { + glEnable(GL_FRAGMENT_PROGRAM_ARB); + printf("Fragment Program OK\n"); + } + } +} + + +int main( int argc, char *argv[] ) +{ + const char *vertProgFile = NULL, *fragProgFile = NULL; + int i; + + glutInit( &argc, argv ); + glutInitWindowPosition( 0, 0 ); + glutInitWindowSize( 200, 200 ); + glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); + Win = glutCreateWindow(argv[0]); + glutReshapeFunc( Reshape ); + glutKeyboardFunc( Key ); + glutDisplayFunc( Redisplay ); + + if (argc == 1) { + printf("arbgpuprog:\n"); + printf(" Compile GL_ARB_vertex/fragment_programs, report any errors.\n"); + printf("Usage:\n"); + printf(" arbgpuprog [--vp vertprogfile] [--fp fragprogfile]\n"); + exit(1); + } + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "--vp") == 0) { + vertProgFile = argv[i+1]; + i++; + } + else if (strcmp(argv[i], "--fp") == 0) { + fragProgFile = argv[i+1]; + i++; + } + } + + Init(vertProgFile, fragProgFile); + + glutMainLoop(); + return 0; +} diff --git a/progs/tests/getteximage.c b/progs/tests/getteximage.c new file mode 100644 index 00000000000..e4818a8fabb --- /dev/null +++ b/progs/tests/getteximage.c @@ -0,0 +1,217 @@ +/** + * Test glGetTexImage() + * Brian Paul + * 9 June 2009 + */ + + +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <GL/glew.h> +#include <GL/glut.h> + +static int Win; + + +static void +TestGetTexImage(void) +{ + GLuint iter; + GLubyte *data = (GLubyte *) malloc(1024 * 1024 * 4); + GLubyte *data2 = (GLubyte *) malloc(1024 * 1024 * 4); + + glEnable(GL_TEXTURE_2D); + + printf("glTexImage2D + glGetTexImage:\n"); + + for (iter = 0; iter < 8; iter++) { + GLint p = (iter % 8) + 3; + GLint w = (1 << p); + GLint h = (1 << p); + GLuint i; + GLint level = 0; + + printf(" Testing %d x %d tex image\n", w, h); + + /* fill data */ + for (i = 0; i < w * h * 4; i++) { + data[i] = i & 0xff; + data2[i] = 0; + } + + glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, w, h, 0, + GL_RGBA, GL_UNSIGNED_BYTE, data); + + glBegin(GL_POINTS); + glVertex2f(0, 0); + glEnd(); + + /* get */ + glGetTexImage(GL_TEXTURE_2D, level, GL_RGBA, GL_UNSIGNED_BYTE, data2); + + /* compare */ + for (i = 0; i < w * h * 4; i++) { + if (data2[i] != data[i]) { + printf("glTexImage + glGetTexImage failure!\n"); + printf("Expected value %d, found %d\n", data[i], data2[i]); + abort(); + } + } + } + + printf("Passed\n"); + glDisable(GL_TEXTURE_2D); + free(data); + free(data2); +} + + +static GLboolean +ColorsEqual(const GLubyte ref[4], const GLubyte act[4]) +{ + if (abs((int) ref[0] - (int) act[0]) > 1 || + abs((int) ref[1] - (int) act[1]) > 1 || + abs((int) ref[2] - (int) act[2]) > 1 || + abs((int) ref[3] - (int) act[3]) > 1) { + printf("expected %d %d %d %d\n", ref[0], ref[1], ref[2], ref[3]); + printf("found %d %d %d %d\n", act[0], act[1], act[2], act[3]); + return GL_FALSE; + } + return GL_TRUE; +} + + +static void +TestGetTexImageRTT(void) +{ + GLuint iter; + GLuint fb, tex; + GLint w = 512; + GLint h = 256; + GLint level = 0; + + glGenTextures(1, &tex); + glGenFramebuffersEXT(1, &fb); + + glBindTexture(GL_TEXTURE_2D, tex); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, + GL_RGBA, GL_UNSIGNED_BYTE, NULL); + + glBindFramebuffer(GL_FRAMEBUFFER_EXT, fb); + glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, + GL_TEXTURE_2D, tex, level); + + printf("Render to texture + glGetTexImage:\n"); + printf(" Testing %d x %d tex image\n", w, h); + for (iter = 0; iter < 8; iter++) { + GLubyte color[4]; + GLubyte *data2 = (GLubyte *) malloc(w * h * 4); + GLuint i; + + /* random clear color */ + for (i = 0; i < 4; i++) { + color[i] = rand() % 256; + } + + glClearColor(color[0] / 255.0, + color[1] / 255.0, + color[2] / 255.0, + color[3] / 255.0); + + glClear(GL_COLOR_BUFFER_BIT); + + /* get */ + glGetTexImage(GL_TEXTURE_2D, level, GL_RGBA, GL_UNSIGNED_BYTE, data2); + + /* compare */ + for (i = 0; i < w * h; i += 4) { + if (!ColorsEqual(color, data2 + i * 4)) { + printf("Render to texture failure!\n"); + abort(); + } + } + + free(data2); + } + + glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0); + glDeleteFramebuffersEXT(1, &fb); + glDeleteTextures(1, &tex); + + printf("Passed\n"); +} + + + + +static void +Draw(void) +{ + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + TestGetTexImage(); + + if (glutExtensionSupported("GL_EXT_framebuffer_object") || + glutExtensionSupported("GL_ARB_framebuffer_object")) + TestGetTexImageRTT(); + + glutDestroyWindow(Win); + exit(0); + + glutSwapBuffers(); +} + + +static void +Reshape(int width, int height) +{ + glViewport(0, 0, width, height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(0.0, 0.0, -15.0); +} + + +static void +Key(unsigned char key, int x, int y) +{ + (void) x; + (void) y; + switch (key) { + case 27: + glutDestroyWindow(Win); + exit(0); + break; + } + glutPostRedisplay(); +} + + +static void +Init(void) +{ +} + + +int +main(int argc, char *argv[]) +{ + glutInit(&argc, argv); + glutInitWindowPosition(0, 0); + glutInitWindowSize(400, 400); + glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); + Win = glutCreateWindow(argv[0]); + glewInit(); + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + Init(); + glutMainLoop(); + return 0; +} diff --git a/progs/tests/mipmap_comp_tests.c b/progs/tests/mipmap_comp_tests.c new file mode 100644 index 00000000000..8f206253786 --- /dev/null +++ b/progs/tests/mipmap_comp_tests.c @@ -0,0 +1,313 @@ +/* Copyright (c) Mark J. Kilgard, 1994. */ +/* + * (c) Copyright 1993, Silicon Graphics, Inc. + * ALL RIGHTS RESERVED + * Permission to use, copy, modify, and distribute this software for + * any purpose and without fee is hereby granted, provided that the above + * copyright notice appear in all copies and that both the copyright notice + * and this permission notice appear in supporting documentation, and that + * the name of Silicon Graphics, Inc. not be used in advertising + * or publicity pertaining to distribution of the software without specific, + * written prior permission. + * + * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" + * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR + * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON + * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, + * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY + * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, + * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF + * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN + * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE + * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE. + * + * US Government Users Restricted Rights + * Use, duplication, or disclosure by the Government is subject to + * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph + * (c)(1)(ii) of the Rights in Technical Data and Computer Software + * clause at DFARS 252.227-7013 and/or in similar or successor + * clauses in the FAR or the DOD or NASA FAR Supplement. + * Unpublished-- rights reserved under the copyright laws of the + * United States. Contractor/manufacturer is Silicon Graphics, + * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311. + * + * OpenGL(TM) is a trademark of Silicon Graphics, Inc. + */ + +/* mipmap_comp + * Test compressed texture mipmaps + * + * Based on mipmap_limits + */ + +#include <string.h> +#include <stdlib.h> +#include <stdio.h> +#include <GL/glew.h> +#include <GL/glut.h> + +#include "readtex.h" + +#define SIZE 16 /* not larger then 16 */ + +static GLint BaseLevel = 0, MaxLevel ; +static GLfloat MinLod, MaxLod; +static GLfloat LodBias; +static GLboolean NearestFilter; +static GLuint texImage; +static GLuint View; + +struct view { + GLfloat minLod; + GLfloat maxLod; + const char *string; +}; + +static struct view views[] = +{ + { 0, 0, "Green" }, + { 0, 1, "Green, Red" }, + { 0, 2, "Green, Red, Blue" }, + { 0, 3, "Green, Red, Blue, Black" }, + { 0, 4, "Green, Red, Blue, Black, White" }, + { 1, 4, "Red, Blue, Black, White" }, + { 2, 4, "Blue, Black, White" }, + { 3, 4, "Black, White" }, + { 4, 4, "White" }, + { 1, 3, "Red, Blue, Black" }, + { 1, 2, "Red, Blue" }, + { 2, 3, "Blue, Black" }, + { 0, 0, NULL }, +}; + +static void +initValues(void) +{ + View = 9; + BaseLevel = 0; + MaxLevel = 9; + MinLod = views[View].minLod; + MaxLod = views[View].maxLod; + LodBias = 5.0; + NearestFilter = GL_TRUE; +} + + +static void +changeView(void) +{ + if (views[++View].string == NULL) + View = 0; + + MinLod = views[View].minLod; + MaxLod = views[View].maxLod; +} + + +static void +makeImage(int level, int width, int height) +{ + GLubyte img[SIZE*SIZE*3]; + GLubyte color[5][3] = { + { 0, 255, 0 }, + { 255, 0, 0 }, + { 0, 0, 255 }, + { 0, 0, 0 }, + { 255, 255, 255 }, + }; + int i, j; + + for (i = 0; i < height; i++) { + for (j = 0; j < width; j++) { + int k = (i * width + j) * 3; + img[k + 0] = color[level][0]; + img[k + 1] = color[level][1]; + img[k + 2] = color[level][2]; + } + } + + glTexImage2D(GL_TEXTURE_2D, level, 3, width, height, 0, + GL_RGB, GL_UNSIGNED_BYTE, img); +} + + +static void +makeImages(void) +{ + int i, sz; + + for (i = 0, sz = SIZE; sz >= 1; i++, sz /= 2) { + makeImage(i, sz, sz); + printf("Level %d size: %d x %d\n", i, sz, sz); + } +} + + +static void +myInit(void) +{ + + initValues(); + + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_LESS); + glShadeModel(GL_FLAT); + + glTranslatef(0.0, 0.0, -3.6); + + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + glGenTextures(1, &texImage); + glBindTexture(GL_TEXTURE_2D, texImage); + makeImages(); + + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); + glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); + glEnable(GL_TEXTURE_2D); +} + + +static void +display(void) +{ + GLfloat tcm = 1.0; + glBindTexture(GL_TEXTURE_2D, texImage); + + printf("BASE_LEVEL=%d MAX_LEVEL=%d MIN_LOD=%.2g MAX_LOD=%.2g Bias=%.2g Filter=%s\n", + BaseLevel, MaxLevel, MinLod, MaxLod, LodBias, + NearestFilter ? "NEAREST" : "LINEAR"); + printf("You should see: %s\n", views[View].string ); + fflush(stdout); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, BaseLevel); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, MaxLevel); + + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_LOD, MinLod); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, MaxLod); + + if (NearestFilter) { + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, + GL_NEAREST_MIPMAP_NEAREST); + } + else { + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, + GL_LINEAR_MIPMAP_LINEAR); + } + + glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, LodBias); + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + glBegin(GL_QUADS); + glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0); + glTexCoord2f(0.0, tcm); glVertex3f(-2.0, 1.0, 0.0); + glTexCoord2f(tcm * 3000.0, tcm); glVertex3f(3000.0, 1.0, -6000.0); + glTexCoord2f(tcm * 3000.0, 0.0); glVertex3f(3000.0, -1.0, -6000.0); + glEnd(); + glFlush(); +} + + +static void +myReshape(int w, int h) +{ + glViewport(0, 0, w, h); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30000.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); +} + + +static void +key(unsigned char k, int x, int y) +{ + (void) x; + (void) y; + switch (k) { +#if 0 + case 'b': + BaseLevel--; + if (BaseLevel < 0) + BaseLevel = 0; + break; + case 'B': + BaseLevel++; + if (BaseLevel > 10) + BaseLevel = 10; + break; + case 'm': + MaxLevel--; + if (MaxLevel < 0) + MaxLevel = 0; + break; + case 'M': + MaxLevel++; + if (MaxLevel > 10) + MaxLevel = 10; + break; + case 'l': + LodBias -= 0.25; + break; + case 'L': + LodBias += 0.25; + break; + case 'n': + MinLod -= 0.25; + break; + case 'N': + MinLod += 0.25; + break; + case 'x': + MaxLod -= 0.25; + break; + case 'X': + MaxLod += 0.25; + break; + case 'f': + NearestFilter = !NearestFilter; + break; +#endif + case ' ': + initValues(); + break; + case 27: /* Escape */ + exit(0); + break; + default: + changeView(); + break; + } + glutPostRedisplay(); +} + + +static void +usage(void) +{ + printf("usage:\n"); + printf(" Any Change view\n"); + printf(" SPACE reset values\n"); +} + + +int +main(int argc, char** argv) +{ + glutInit(&argc, argv); + glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH); + glutInitWindowSize (600, 600); + glutCreateWindow (argv[0]); + glewInit(); + myInit(); + glutReshapeFunc (myReshape); + glutDisplayFunc(display); + glutKeyboardFunc(key); + usage(); + glutMainLoop(); + return 0; /* ANSI C requires main to return int. */ +} diff --git a/progs/tests/persp_hint.c b/progs/tests/persp_hint.c new file mode 100644 index 00000000000..27140d1f567 --- /dev/null +++ b/progs/tests/persp_hint.c @@ -0,0 +1,149 @@ +/* + * Test the GL_PERSPECTIVE_CORRECTION_HINT setting and its effect on + * color interpolation. + * + * Press 'i' to toggle between GL_NICEST/GL_FASTEST/GL_DONT_CARE. + * + * Depending on the driver, the hint may make a difference, or not. + */ + + +#include <stdlib.h> +#include <stdio.h> +#include <GL/glut.h> + + +static GLenum PerspHint = GL_DONT_CARE; + + +static void +init(void) +{ + GLubyte image[256][256][4]; + GLuint i, j; + for (i = 0; i < 256; i++) { + for (j = 0; j < 256; j++) { + image[i][j][0] = j; + image[i][j][1] = j; + image[i][j][2] = j; + image[i][j][3] = 255; + } + } + glTexImage2D(GL_TEXTURE_2D, 0, 4, 256, 256, 0, + GL_RGBA, GL_UNSIGNED_BYTE, image); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); + + printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); +} + + +static void +display(void) +{ + switch (PerspHint) { + case GL_NICEST: + printf("hint = GL_NICEST\n"); + break; + case GL_FASTEST: + printf("hint = GL_FASTEST\n"); + break; + case GL_DONT_CARE: + printf("hint = GL_DONT_CARE\n"); + break; + default: + ; + } + + glClear(GL_COLOR_BUFFER_BIT); + +#if 1 + glBegin(GL_QUADS); + /* exercise perspective interpolation */ + glColor3f(0.0, 0.0, 0.0); glVertex3f(-1.0, -1.0, -1.0); + glColor3f(0.0, 0.0, 0.0); glVertex3f(-1.0, 1.0, -1.0); + glColor3f(0.0, 1.0, 0.0); glVertex3f( 7.0, 1.0, -7.0); + glColor3f(0.0, 1.0, 0.0); glVertex3f( 7.0, -1.0, -7.0); + + /* stripe of linear interpolation */ + glColor3f(0.0, 0.0, 0.0); glVertex3f(-1.0, -0.1, -1.001); + glColor3f(0.0, 0.0, 0.0); glVertex3f(-1.0, 0.1, -1.001); + glColor3f(0.0, 1.0, 0.0); glVertex3f( 1.0, 0.1, -1.001); + glColor3f(0.0, 1.0, 0.0); glVertex3f( 1.0, -0.1, -1.001); + glEnd(); +#else + glEnable(GL_TEXTURE_2D); + glBegin(GL_QUADS); + glTexCoord2f(0.0, 0.0); glVertex3f(-1.0, 0.0, -1.0); + glTexCoord2f(0.0, 1.0); glVertex3f(-1.0, 1.0, -1.0); + glTexCoord2f(1.0, 1.0); glVertex3f( 5.0, 1.0, -7.0); + glTexCoord2f(1.0, 0.0); glVertex3f( 5.0, 0.0, -7.0); + + glTexCoord2f(0.0, 0.0); glVertex3f(-1.0, -1.0, -1.001); + glTexCoord2f(0.0, 1.0); glVertex3f(-1.0, 0.0, -1.001); + glTexCoord2f(1.0, 1.0); glVertex3f( 1.0, 0.0, -1.001); + glTexCoord2f(1.0, 0.0); glVertex3f( 1.0, -1.0, -1.001); + glEnd(); +#endif + + glFlush(); +} + + +static void +reshape(int w, int h) +{ + glViewport(0, 0, w, h); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + gluPerspective(90.0, (GLfloat) w / h, 1.0, 300.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); +} + + +static void +key(unsigned char k, int x, int y) +{ + switch (k) { + case 27: /* Escape */ + exit(0); + break; + case 'i': + if (PerspHint == GL_FASTEST) + PerspHint = GL_NICEST; + else if (PerspHint == GL_NICEST) + PerspHint = GL_DONT_CARE; + else + PerspHint = GL_FASTEST; + glHint(GL_PERSPECTIVE_CORRECTION_HINT, PerspHint); + break; + default: + return; + } + glutPostRedisplay(); +} + + +int +main(int argc, char** argv) +{ + glutInit(&argc, argv); + glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB); + glutInitWindowSize (500, 500); + glutCreateWindow (argv[0]); + glutReshapeFunc (reshape); + glutDisplayFunc(display); + glutKeyboardFunc(key); + + printf("Main quad: perspective projection\n"); + printf("Middle stripe: linear interpolation\n"); + printf("Press 'i' to toggle interpolation hint\n"); + init(); + + glutMainLoop(); + return 0; +} diff --git a/progs/tests/prim.c b/progs/tests/prim.c new file mode 100644 index 00000000000..3e006e823d7 --- /dev/null +++ b/progs/tests/prim.c @@ -0,0 +1,559 @@ +#define GL_GLEXT_PROTOTYPES +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <GL/glut.h> + + +#define PIXEL_CENTER(x) ((long)(x) + 0.5) + +#define GAP 10 +#define ROWS 3 +#define COLS 4 + +#define OPENGL_WIDTH 48 +#define OPENGL_HEIGHT 13 + + +GLenum provoking = GL_LAST_VERTEX_CONVENTION_EXT; +GLenum rgb, doubleBuffer, windType; +GLint windW, windH; + +GLenum mode1, mode2; +GLint boxW, boxH; +GLubyte OpenGL_bits[] = { + 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, + 0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01, + 0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01, + 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, + 0x3e, 0x8f, 0xb7, 0xf9, 0xfc, 0x01, + 0x63, 0xdb, 0xb0, 0x8d, 0x0d, 0x00, + 0x63, 0xdb, 0xb7, 0x8d, 0x0d, 0x00, + 0x63, 0xdb, 0xb6, 0x8d, 0x0d, 0x00, + 0x63, 0x8f, 0xf3, 0xcc, 0x0d, 0x00, + 0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0a, + 0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0e, + 0x63, 0x00, 0x00, 0x8c, 0xed, 0x0e, + 0x3e, 0x00, 0x00, 0xf8, 0x0c, 0x00, +}; + + +#include "tkmap.c" + +static void Init(void) +{ + + mode1 = GL_TRUE; + mode2 = GL_TRUE; +} + +static void Reshape(int width, int height) +{ + + windW = (GLint)width; + windH = (GLint)height; +} + +static void RotateColorMask(void) +{ + static GLint rotation = 0; + + rotation = (rotation + 1) & 0x3; + switch (rotation) { + case 0: + glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); + glIndexMask( 0xff ); + break; + case 1: + glColorMask(GL_FALSE, GL_TRUE, GL_TRUE, GL_TRUE); + glIndexMask(0xFE); + break; + case 2: + glColorMask(GL_TRUE, GL_FALSE, GL_TRUE, GL_TRUE); + glIndexMask(0xFD); + break; + case 3: + glColorMask(GL_TRUE, GL_TRUE, GL_FALSE, GL_TRUE); + glIndexMask(0xFB); + break; + } +} + +static void Key(unsigned char key, int x, int y) +{ + + switch (key) { + case 27: + exit(1); + case '1': + mode1 = !mode1; + break; + case '2': + mode2 = !mode2; + break; + case '3': + RotateColorMask(); + break; + case 'p': + if (provoking == GL_FIRST_VERTEX_CONVENTION_EXT) { + printf("provoke last\n"); + provoking = GL_LAST_VERTEX_CONVENTION_EXT; + } + else { + printf("provoke first\n"); + provoking = GL_FIRST_VERTEX_CONVENTION_EXT; + } + glProvokingVertexEXT(provoking); + break; + default: + return; + } + + glutPostRedisplay(); +} + +static void Viewport(GLint row, GLint column) +{ + GLint x, y; + + boxW = (windW - (COLS + 1) * GAP) / COLS; + boxH = (windH - (ROWS + 1) * GAP) / ROWS; + + x = GAP + column * (boxW + GAP); + y = GAP + row * (boxH + GAP); + + glViewport(x, y, boxW, boxH); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(-boxW/2, boxW/2, -boxH/2, boxH/2, 0.0, 1.0); + glMatrixMode(GL_MODELVIEW); + + glEnable(GL_SCISSOR_TEST); + glScissor(x, y, boxW, boxH); +} + +static void Point(void) +{ + GLint i; + + glBegin(GL_POINTS); + SetColor(COLOR_WHITE); + glVertex2i(0, 0); + for (i = 1; i < 8; i++) { + GLint j = i * 2; + SetColor(COLOR_BLACK+i); + glVertex2i(-j, -j); + glVertex2i(-j, 0); + glVertex2i(-j, j); + glVertex2i(0, j); + glVertex2i(j, j); + glVertex2i(j, 0); + glVertex2i(j, -j); + glVertex2i(0, -j); + } + glEnd(); +} + +static void Lines(void) +{ + GLint i; + + glPushMatrix(); + + glTranslatef(-12, 0, 0); + for (i = 1; i < 8; i++) { + glBegin(GL_LINES); + SetColor(COLOR_BLACK+i); + glVertex2i(-boxW/4, -boxH/4); + SetColor(COLOR_BLACK+i+1); + glVertex2i(boxW/4, boxH/4); + glEnd(); + glTranslatef(4, 0, 0); + } + + glPopMatrix(); + + glBegin(GL_LINES); + glVertex2i(0, 0); + glEnd(); +} + +static void LineStrip(void) +{ + + glBegin(GL_LINE_STRIP); + SetColor(COLOR_RED); + glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4)); + SetColor(COLOR_GREEN); + glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4)); + SetColor(COLOR_BLUE); + glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4)); + SetColor(COLOR_WHITE); + glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4)); + glEnd(); + + glBegin(GL_LINE_STRIP); + glVertex2i(0, 0); + glEnd(); +} + +static void LineLoop(void) +{ + + glBegin(GL_LINE_LOOP); + SetColor(COLOR_RED); + glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4)); + SetColor(COLOR_GREEN); + glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4)); + SetColor(COLOR_BLUE); + glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4)); + SetColor(COLOR_WHITE); + glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4)); + glEnd(); + + glEnable(GL_LOGIC_OP); + glLogicOp(GL_XOR); + + glEnable(GL_BLEND); + glBlendFunc(GL_ONE, GL_ONE); + + SetColor(COLOR_MAGENTA); + glBegin(GL_LINE_LOOP); + glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(-boxH/8)); + glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8)); + glEnd(); + glBegin(GL_LINE_LOOP); + glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8+5)); + glVertex2f(PIXEL_CENTER(boxW/8), PIXEL_CENTER(boxH/8+5)); + glEnd(); + glDisable(GL_LOGIC_OP); + glDisable(GL_BLEND); + + SetColor(COLOR_GREEN); + glBegin(GL_POINTS); + glVertex2i(0, 0); + glEnd(); + + glBegin(GL_LINE_LOOP); + glVertex2i(0, 0); + glEnd(); +} + +static void Bitmap(void) +{ + + glBegin(GL_LINES); + SetColor(COLOR_GREEN); + glVertex2i(-boxW/2, 0); + glVertex2i(boxW/2, 0); + glVertex2i(0, -boxH/2); + glVertex2i(0, boxH/2); + SetColor(COLOR_RED); + glVertex2i(0, -3); + glVertex2i(0, -3+OPENGL_HEIGHT); + SetColor(COLOR_BLUE); + glVertex2i(0, -3); + glVertex2i(OPENGL_WIDTH, -3); + glEnd(); + + SetColor(COLOR_GREEN); + + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE); + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + + glRasterPos2i(0, 0); + glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, 0, 3, 0.0, 0.0, OpenGL_bits); +} + +static void Triangles(void) +{ + + glBegin(GL_TRIANGLES); + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, -boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/8, -boxH/16); + SetColor(COLOR_BLUE); + glVertex2i(boxW/8, -boxH/16); + + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/8, boxH/16); + SetColor(COLOR_BLUE); + glVertex2i(boxW/8, boxH/16); + glEnd(); + + glBegin(GL_TRIANGLES); + glVertex2i(0, 0); + glVertex2i(-100, 100); + glEnd(); +} + +static void TriangleStrip(void) +{ + + glBegin(GL_TRIANGLE_STRIP); + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, -boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/4, boxH/4); + SetColor(COLOR_BLUE); + glVertex2i(0, -boxH/4); + SetColor(COLOR_WHITE); + glVertex2i(0, boxH/4); + SetColor(COLOR_CYAN); + glVertex2i(boxW/4, -boxH/4); + SetColor(COLOR_YELLOW); + glVertex2i(boxW/4, boxH/4); + glEnd(); + + glBegin(GL_TRIANGLE_STRIP); + glVertex2i(0, 0); + glVertex2i(-100, 100); + glEnd(); +} + +static void TriangleFan(void) +{ + GLint vx[8][2]; + GLint x0, y0, x1, y1, x2, y2, x3, y3; + GLint i; + + y0 = -boxH/4; + y1 = y0 + boxH/2/3; + y2 = y1 + boxH/2/3; + y3 = boxH/4; + x0 = -boxW/4; + x1 = x0 + boxW/2/3; + x2 = x1 + boxW/2/3; + x3 = boxW/4; + + vx[0][0] = x0; vx[0][1] = y1; + vx[1][0] = x0; vx[1][1] = y2; + vx[2][0] = x1; vx[2][1] = y3; + vx[3][0] = x2; vx[3][1] = y3; + vx[4][0] = x3; vx[4][1] = y2; + vx[5][0] = x3; vx[5][1] = y1; + vx[6][0] = x2; vx[6][1] = y0; + vx[7][0] = x1; vx[7][1] = y0; + + glBegin(GL_TRIANGLE_FAN); + SetColor(COLOR_WHITE); + glVertex2i(0, 0); + for (i = 0; i < 8; i++) { + SetColor(COLOR_WHITE-i); + glVertex2iv(vx[i]); + } + glEnd(); + + glBegin(GL_TRIANGLE_FAN); + glVertex2i(0, 0); + glVertex2i(-100, 100); + glEnd(); +} + +static void Rect(void) +{ + + SetColor(COLOR_GREEN); + glRecti(-boxW/4, -boxH/4, boxW/4, boxH/4); +} + +static void PolygonFunc(void) +{ + GLint vx[8][2]; + GLint x0, y0, x1, y1, x2, y2, x3, y3; + GLint i; + + y0 = -boxH/4; + y1 = y0 + boxH/2/3; + y2 = y1 + boxH/2/3; + y3 = boxH/4; + x0 = -boxW/4; + x1 = x0 + boxW/2/3; + x2 = x1 + boxW/2/3; + x3 = boxW/4; + + vx[0][0] = x0; vx[0][1] = y1; + vx[1][0] = x0; vx[1][1] = y2; + vx[2][0] = x1; vx[2][1] = y3; + vx[3][0] = x2; vx[3][1] = y3; + vx[4][0] = x3; vx[4][1] = y2; + vx[5][0] = x3; vx[5][1] = y1; + vx[6][0] = x2; vx[6][1] = y0; + vx[7][0] = x1; vx[7][1] = y0; + + glBegin(GL_POLYGON); + for (i = 0; i < 8; i++) { + SetColor(COLOR_WHITE-i); + glVertex2iv(vx[i]); + } + glEnd(); + + glBegin(GL_POLYGON); + glVertex2i(0, 0); + glVertex2i(100, 100); + glEnd(); +} + +static void Quads(void) +{ + + glBegin(GL_QUADS); + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, -boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/8, -boxH/16); + SetColor(COLOR_BLUE); + glVertex2i(boxW/8, -boxH/16); + SetColor(COLOR_WHITE); + glVertex2i(boxW/4, -boxH/4); + + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/8, boxH/16); + SetColor(COLOR_BLUE); + glVertex2i(boxW/8, boxH/16); + SetColor(COLOR_WHITE); + glVertex2i(boxW/4, boxH/4); + glEnd(); + + glBegin(GL_QUADS); + glVertex2i(0, 0); + glVertex2i(100, 100); + glVertex2i(-100, 100); + glEnd(); +} + +static void QuadStrip(void) +{ + + glBegin(GL_QUAD_STRIP); + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, -boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/4, boxH/4); + SetColor(COLOR_BLUE); + glVertex2i(0, -boxH/4); + SetColor(COLOR_WHITE); + glVertex2i(0, boxH/4); + SetColor(COLOR_CYAN); + glVertex2i(boxW/4, -boxH/4); + SetColor(COLOR_YELLOW); + glVertex2i(boxW/4, boxH/4); + glEnd(); + + glBegin(GL_QUAD_STRIP); + glVertex2i(0, 0); + glVertex2i(100, 100); + glVertex2i(-100, 100); + glEnd(); +} + +static void Draw(void) +{ + + glViewport(0, 0, windW, windH); + glDisable(GL_SCISSOR_TEST); + + glPushAttrib(GL_COLOR_BUFFER_BIT); + + glColorMask(1, 1, 1, 1); + glIndexMask(~0); + + glClearColor(0.0, 0.0, 0.0, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + + glPopAttrib(); + + if (mode1) { + glShadeModel(GL_SMOOTH); + } else { + glShadeModel(GL_FLAT); + } + + if (mode2) { + glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); + } else { + glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); + } + + Viewport(0, 0); Point(); + Viewport(0, 1); Lines(); + Viewport(0, 2); LineStrip(); + Viewport(0, 3); LineLoop(); + + Viewport(1, 0); Bitmap(); + Viewport(1, 1); TriangleFan(); + Viewport(1, 2); Triangles(); + Viewport(1, 3); TriangleStrip(); + + Viewport(2, 0); Rect(); + Viewport(2, 1); PolygonFunc(); + Viewport(2, 2); Quads(); + Viewport(2, 3); QuadStrip(); + + glFlush(); + + if (doubleBuffer) { + glutSwapBuffers(); + } +} + +static GLenum Args(int argc, char **argv) +{ + GLint i; + + rgb = GL_TRUE; + doubleBuffer = GL_FALSE; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-ci") == 0) { + rgb = GL_FALSE; + } else if (strcmp(argv[i], "-rgb") == 0) { + rgb = GL_TRUE; + } else if (strcmp(argv[i], "-sb") == 0) { + doubleBuffer = GL_FALSE; + } else if (strcmp(argv[i], "-db") == 0) { + doubleBuffer = GL_TRUE; + } else { + printf("%s (Bad option).\n", argv[i]); + return GL_FALSE; + } + } + return GL_TRUE; +} + +int main(int argc, char **argv) +{ + glutInit(&argc, argv); + + if (Args(argc, argv) == GL_FALSE) { + exit(1); + } + + windW = 600; + windH = 300; + glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH); + + windType = (rgb) ? GLUT_RGB : GLUT_INDEX; + windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; + glutInitDisplayMode(windType); + + if (glutCreateWindow("Primitive Test") == GL_FALSE) { + exit(1); + } + + InitMap(); + + Init(); + + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + glutMainLoop(); + return 0; +} diff --git a/progs/tests/tkmap.c b/progs/tests/tkmap.c new file mode 100644 index 00000000000..3ded79cacaa --- /dev/null +++ b/progs/tests/tkmap.c @@ -0,0 +1,71 @@ + +enum { + COLOR_BLACK = 0, + COLOR_RED, + COLOR_GREEN, + COLOR_YELLOW, + COLOR_BLUE, + COLOR_MAGENTA, + COLOR_CYAN, + COLOR_WHITE +}; + +static float RGBMap[9][3] = { + {0, 0, 0}, + {1, 0, 0}, + {0, 1, 0}, + {1, 1, 0}, + {0, 0, 1}, + {1, 0, 1}, + {0, 1, 1}, + {1, 1, 1}, + {0.5, 0.5, 0.5} +}; + +static void SetColor(int c) +{ + if (glutGet(GLUT_WINDOW_RGBA)) + glColor3fv(RGBMap[c]); + else + glIndexf(c); +} + +static void InitMap(void) +{ + int i; + + if (rgb) + return; + + for (i = 0; i < 9; i++) + glutSetColor(i, RGBMap[i][0], RGBMap[i][1], RGBMap[i][2]); +} + +static void SetFogRamp(int density, int startIndex) +{ + int fogValues, colorValues; + int i, j, k; + float intensity; + + fogValues = 1 << density; + colorValues = 1 << startIndex; + for (i = 0; i < colorValues; i++) { + for (j = 0; j < fogValues; j++) { + k = i * fogValues + j; + intensity = (i * fogValues + j * colorValues) / 255.0; + glutSetColor(k, intensity, intensity, intensity); + } + } +} + +static void SetGreyRamp(void) +{ + int i; + float intensity; + + for (i = 0; i < 255; i++) { + intensity = i / 255.0; + glutSetColor(i, intensity, intensity, intensity); + } +} + |