diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-10-07 13:09:05 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-10-07 16:33:52 +0100 |
commit | a381c9e8b32af6e98879940eba5f11680d4b89b6 (patch) | |
tree | 2cc52bfe5a91f5e9481c9ee7ba76d9472ddc250b /progs | |
parent | 6ff1cf5b82488dc5a07513b0806c23e70f7a665e (diff) |
trivial: exercise vertprog sligtly
Diffstat (limited to 'progs')
-rw-r--r-- | progs/trivial/Makefile | 1 | ||||
-rw-r--r-- | progs/trivial/vp-tri-swap.c | 103 |
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; +} |