diff options
Diffstat (limited to 'progs/tests/arbgpuprog.c')
| -rw-r--r-- | progs/tests/arbgpuprog.c | 230 |
1 files changed, 230 insertions, 0 deletions
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; +} |