diff options
Diffstat (limited to 'progs/tests')
| -rw-r--r-- | progs/tests/Makefile | 5 | ||||
| -rw-r--r-- | progs/tests/SConscript | 1 | ||||
| -rw-r--r-- | progs/tests/arbgpuprog.c | 230 | ||||
| -rw-r--r-- | progs/tests/getteximage.c | 217 | ||||
| -rw-r--r-- | progs/tests/persp_hint.c | 149 |
5 files changed, 601 insertions, 1 deletions
diff --git a/progs/tests/Makefile b/progs/tests/Makefile index 7604b22788..23fe3c35c1 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 \ @@ -65,6 +67,7 @@ SOURCES = \ no_s3tc.c \ packedpixels.c \ pbo.c \ + persp_hint.c \ prog_parameter.c \ quads.c \ random.c \ diff --git a/progs/tests/SConscript b/progs/tests/SConscript index 9d89ff6a0d..9e3a646f80 100644 --- a/progs/tests/SConscript +++ b/progs/tests/SConscript @@ -90,6 +90,7 @@ 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 0000000000..23aa899d96 --- /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 0000000000..e4818a8fab --- /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/persp_hint.c b/progs/tests/persp_hint.c new file mode 100644 index 0000000000..27140d1f56 --- /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; +} |