Mesa (master): tests: added arbgpuprog, for compile-testing ARB vertex/ fragment programs
Brian Paul
brianp at kemper.freedesktop.org
Fri Jun 12 15:46:38 UTC 2009
Module: Mesa
Branch: master
Commit: 5379f35a15d5c13bb0dbdab3957ad527d666d97b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5379f35a15d5c13bb0dbdab3957ad527d666d97b
Author: Brian Paul <brianp at vmware.com>
Date: Thu Jun 11 12:10:00 2009 -0600
tests: added arbgpuprog, for compile-testing ARB vertex/fragment programs
---
progs/tests/Makefile | 1 +
progs/tests/arbgpuprog.c | 230 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 231 insertions(+), 0 deletions(-)
diff --git a/progs/tests/Makefile b/progs/tests/Makefile
index 5069817..f3f1aea 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 \
diff --git a/progs/tests/arbgpuprog.c b/progs/tests/arbgpuprog.c
new file mode 100644
index 0000000..23aa899
--- /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;
+}
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