+++ /dev/null
-/**
- * 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);
- fclose(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);
- fclose(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;
-}
projects / mesa.git / blobdiff