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authorKeith Whitwell <keith@tungstengraphics.com>2008-10-07 13:09:05 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-10-07 16:33:52 +0100
commita381c9e8b32af6e98879940eba5f11680d4b89b6 (patch)
tree2cc52bfe5a91f5e9481c9ee7ba76d9472ddc250b /progs
parent6ff1cf5b82488dc5a07513b0806c23e70f7a665e (diff)
trivial: exercise vertprog sligtly
Diffstat (limited to 'progs')
-rw-r--r--progs/trivial/Makefile1
-rw-r--r--progs/trivial/vp-tri-swap.c103
2 files changed, 104 insertions, 0 deletions
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index c868ab6e6f..65937f2f3f 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -124,6 +124,7 @@ SOURCES = \
vp-clip.c \
vp-line-clip.c \
vp-tri.c \
+ vp-tri-swap.c \
vp-unfilled.c
PROGS = $(SOURCES:%.c=%)
diff --git a/progs/trivial/vp-tri-swap.c b/progs/trivial/vp-tri-swap.c
new file mode 100644
index 0000000000..e9ca1a0378
--- /dev/null
+++ b/progs/trivial/vp-tri-swap.c
@@ -0,0 +1,103 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static void Init( void )
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "MOV result.position, vertex.color;\n"
+ "MOV result.color, vertex.position;\n"
+ "END\n";
+
+
+ glGenProgramsARB(1, &prognum);
+
+ glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+ glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+ strlen(prog1), (const GLubyte *) prog1);
+
+ assert(glIsProgramARB(prognum));
+ errno = glGetError();
+ printf("glGetError = %d\n", errno);
+ if (errno != GL_NO_ERROR)
+ {
+ GLint errorpos;
+
+ glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+ printf("errorpos: %d\n", errorpos);
+ printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+ }
+}
+
+static void Display( void )
+{
+ glClearColor(0.3, 0.3, 0.3, 1);
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glEnable(GL_VERTEX_PROGRAM_NV);
+
+ glBegin(GL_TRIANGLES);
+ glColor3f(0,0,.7);
+ glVertex3f( 0.9, -0.9, -0.0);
+ glColor3f(.8,0,0);
+ glVertex3f( 0.9, 0.9, -0.0);
+ glColor3f(0,.9,0);
+ glVertex3f(-0.9, 0.0, -0.0);
+ glEnd();
+
+
+ glFlush();
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+ 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:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowPosition( 0, 0 );
+ glutInitWindowSize( 250, 250 );
+ glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}