1 files changed, 55 insertions, 8 deletions

diff --git a/progs/vp/vp-tris.c b/progs/vp/vp-tris.c
index eb450cb5981..3fe35f7e3e6 100644
--- a/progs/vp/vp-tris.c
+++ b/progs/vp/vp-tris.c
@@ -5,10 +5,27 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
-#define GL_GLEXT_PROTOTYPES
 #include <GL/glut.h>
+
+#ifndef WIN32
 #include <unistd.h>
 #include <signal.h>
+#define GL_GLEXT_PROTOTYPES
+#else
+#include <GL/glext.h>
+#endif
+
+#ifdef WIN32
+static PFNGLBINDPROGRAMARBPROC glBindProgramARB = NULL;
+static PFNGLGENPROGRAMSARBPROC glGenProgramsARB = NULL;
+static PFNGLPROGRAMSTRINGARBPROC glProgramStringARB = NULL;
+static PFNGLISPROGRAMARBPROC glIsProgramARB = NULL;
+
+static PFNGLBINDPROGRAMNVPROC glBindProgramNV = NULL;
+static PFNGLGENPROGRAMSNVPROC glGenProgramsNV = NULL;
+static PFNGLLOADPROGRAMNVPROC glLoadProgramNV = NULL;
+static PFNGLISPROGRAMNVPROC glIsProgramNV = NULL;
+#endif
 
 static const char *filename = NULL;
 static GLuint nr_steps = 4;
@@ -25,6 +42,9 @@ static void usage( char *name )
 
 unsigned show_fps = 0;
 unsigned int frame_cnt = 0;
+
+#ifndef WIN32
+
 void alarmhandler(int);
 
 void alarmhandler (int sig)
@@ -39,6 +59,8 @@ void alarmhandler (int sig)
    alarm(5);
 }
 
+#endif
+
 static void args(int argc, char *argv[])
 {
    GLint i;
@@ -83,7 +105,7 @@ static void Init( void )
       exit(1);
    }
 
-   sz = fread(buf, 1, sizeof(buf), f);
+   sz = (GLuint) fread(buf, 1, sizeof(buf), f);
    if (!feof(f)) {
       fprintf(stderr, "file too long\n");
       exit(1);
@@ -91,13 +113,37 @@ static void Init( void )
 
    fprintf(stderr, "%.*s\n", sz, buf);
 
-   glEnable(GL_VERTEX_PROGRAM_NV);
+   if (strncmp( buf, "!!VP", 4 ) == 0) {
+#ifdef WIN32
+      glBindProgramNV = (PFNGLBINDPROGRAMNVPROC) wglGetProcAddress( "glBindProgramNV" );
+      glGenProgramsNV = (PFNGLGENPROGRAMSNVPROC) wglGetProcAddress( "glGenProgramsNV" );
+      glLoadProgramNV = (PFNGLLOADPROGRAMNVPROC) wglGetProcAddress( "glLoadProgramNV" );
+      glIsProgramNV = (PFNGLISPROGRAMNVPROC) wglGetProcAddress( "glIsProgramNV" );
+#endif
+
+      glEnable( GL_VERTEX_PROGRAM_NV );
+      glGenProgramsNV( 1, &prognum );
+      glBindProgramNV( GL_VERTEX_PROGRAM_NV, prognum );
+      glLoadProgramNV( GL_VERTEX_PROGRAM_NV, prognum, sz, (const GLubyte *) buf );
+      assert( glIsProgramNV( prognum ) );
+   }
+   else {
+#ifdef WIN32
+      glBindProgramARB = (PFNGLBINDPROGRAMARBPROC) wglGetProcAddress( "glBindProgramARB" );
+      glGenProgramsARB = (PFNGLGENPROGRAMSARBPROC) wglGetProcAddress( "glGenProgramsARB" );
+      glProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC) wglGetProcAddress( "glProgramStringARB" );
+      glIsProgramARB = (PFNGLISPROGRAMARBPROC) wglGetProcAddress( "glIsProgramARB" );
+#endif
 
-   glGenProgramsARB(1, &prognum);
+      glEnable(GL_VERTEX_PROGRAM_ARB);
 
-   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
-   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-		      sz, (const GLubyte *) buf);
+      glGenProgramsARB(1, &prognum);
+
+      glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+      glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		        sz, (const GLubyte *) buf);
+      assert(glIsProgramARB(prognum));
+   }
 
    errno = glGetError();
    printf("glGetError = %d\n", errno);
@@ -109,7 +155,6 @@ static void Init( void )
       printf("errorpos: %d\n", errorpos);
       printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
    }
-   assert(glIsProgramARB(prognum));
 }
 
 
@@ -236,10 +281,12 @@ int main( int argc, char *argv[] )
    glutDisplayFunc( Display );
    args( argc, argv );
    Init();
+#ifndef WIN32
    if (show_fps) {
       signal(SIGALRM, alarmhandler);
       alarm(5);
    }
+#endif
    glutMainLoop();
    return 0;
 }