+++ /dev/null
-/* Test GL_NV_fragment_program */
-
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-
-
-static void Display( void )
-{
- glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
-
- glPushMatrix();
-
- glColor4f(0, 0.5, 0, 1);
- glColor4f(0, 1, 0, 1);
- glBegin(GL_POLYGON);
- glVertex2f(-1, -1);
- glVertex2f( 1, -1);
- glVertex2f( 0, 1);
- glEnd();
-
- glPopMatrix();
-
- glutSwapBuffers();
-}
-
-
-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:
- exit(0);
- break;
- }
- glutPostRedisplay();
-}
-
-
-static void Init( void )
-{
-#if 0
- static const char *prog0 =
- "!!FP1.0\n"
- "MUL o[COLR], R0, f[WPOS]; \n"
- "ADD o[COLH], H3, f[TEX0]; \n"
- "ADD_SAT o[COLH], H3, f[TEX0]; \n"
- "ADDX o[COLH], H3, f[TEX0]; \n"
- "ADDHC o[COLH], H3, f[TEX0]; \n"
- "ADDXC o[COLH], H3, f[TEX0]; \n"
- "ADDXC_SAT o[COLH], H30, f[TEX0]; \n"
- "MUL o[COLR].xy, R0.wzyx, f[WPOS]; \n"
- "MUL o[COLR], H0, f[WPOS]; \n"
- "MUL o[COLR], -H0, f[WPOS]; \n"
- "MOV RC, H1; \n"
- "MOV HC, H2; \n"
- "END \n"
- ;
-#endif
-
- /* masked updates, defines, declarations */
- static const char *prog1 =
- "!!FP1.0\n"
- "DEFINE foo = {1, 2, 3, 4}; \n"
- "DEFINE foo2 = 5; \n"
- "DECLARE foo3 = {5, 6, 7, 8}; \n"
- "DECLARE bar = 3; \n"
- "DECLARE bar2; \n"
- "DECLARE bar3 = bar; \n"
- "#DECLARE bar4 = { a, b, c, d }; \n"
- "MOV o[COLR].xy, R0; \n"
- "MOV o[COLR] (NE), R0; \n"
- "MOV o[COLR] (NE.wzyx), R0; \n"
- "MOV o[COLR].xy (NE.wzyx), R0; \n"
- "MOV RC.x (EQ), R1.x; \n"
- "KIL NE; \n"
- "KIL EQ.xyxy; \n"
- "END \n"
- ;
-
- /* texture instructions */
- static const char *prog2 =
- "!!FP1.0\n"
- "TEX R0, f[TEX0], TEX0, 2D; \n"
- "TEX R1, f[TEX1], TEX1, CUBE; \n"
- "TEX R2, f[TEX2], TEX2, 3D; \n"
- "TXP R3, f[TEX3], TEX3, RECT; \n"
- "TXD R3, R2, R1, f[TEX3], TEX3, RECT; \n"
- "MUL o[COLR], R0, f[COL0]; \n"
- "END \n"
- ;
-
- /* test negation, absolute value */
- static const char *prog3 =
- "!!FP1.0\n"
- "MOV R0, -R1; \n"
- "MOV R0, +R1; \n"
- "MOV R0, |-R1|; \n"
- "MOV R0, |+R1|; \n"
- "MOV R0, -|R1|; \n"
- "MOV R0, +|R1|; \n"
- "MOV R0, -|-R1|; \n"
- "MOV R0, -|+R1|; \n"
- "MOV o[COLR], R0; \n"
- "END \n"
- ;
-
- /* literal constant sources */
- static const char *prog4 =
- "!!FP1.0\n"
- "DEFINE Pi = 3.14159; \n"
- "MOV R0, {1, -2, +3, 4}; \n"
- "MOV R0, 5; \n"
- "MOV R0, -5; \n"
- "MOV R0, +5; \n"
- "MOV R0, Pi; \n"
- "MOV o[COLR], R0; \n"
- "END \n"
- ;
-
- /* change the fragment color in a simple way */
- static const char *prog10 =
- "!!FP1.0\n"
- "DEFINE blue = {0, 0, 1, 0};\n"
- "DECLARE color; \n"
- "MOV R0, f[COL0]; \n"
- "#ADD o[COLR], R0, f[COL0]; \n"
- "#ADD o[COLR], blue, f[COL0]; \n"
- "#ADD o[COLR], {1, 0, 0, 0}, f[COL0]; \n"
- "ADD o[COLR], color, f[COL0]; \n"
- "END \n"
- ;
-
- GLuint progs[20];
-
- if (!glutExtensionSupported ("GL_NV_fragment_program")) {
- printf("Sorry, this program requires GL_NV_fragment_program\n");
- exit(1);
- }
-
- glGenProgramsNV(20, progs);
- assert(progs[0]);
- assert(progs[1]);
- assert(progs[0] != progs[1]);
-
-#if 0
- glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[0],
- strlen(prog0),
- (const GLubyte *) prog0);
- assert(glIsProgramNV(progs[0]));
-#endif
-
- glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[1],
- strlen(prog1),
- (const GLubyte *) prog1);
- assert(glIsProgramNV(progs[1]));
-
- glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[2],
- strlen(prog2),
- (const GLubyte *) prog2);
- assert(glIsProgramNV(progs[2]));
- glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[2]);
-
- glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[3],
- strlen(prog3),
- (const GLubyte *) prog3);
- assert(glIsProgramNV(progs[3]));
- glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[3]);
-
- glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[4],
- strlen(prog4),
- (const GLubyte *) prog4);
- assert(glIsProgramNV(progs[4]));
- glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[4]);
-
-
- /* a real program */
- glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[10],
- strlen(prog10),
- (const GLubyte *) prog10);
- assert(glIsProgramNV(progs[10]));
- glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[10]);
-
- glProgramNamedParameter4fNV(progs[10],
- strlen("color"), (const GLubyte *) "color",
- 1, 0, 0, 1);
-
- glEnable(GL_FRAGMENT_PROGRAM_NV);
- glEnable(GL_ALPHA_TEST);
- glAlphaFunc(GL_ALWAYS, 0.0);
-
- printf("glGetError = %d\n", (int) glGetError());
-}
-
-
-int main( int argc, char *argv[] )
-{
- glutInit( &argc, argv );
- glutInitWindowPosition( 0, 0 );
- glutInitWindowSize( 250, 250 );
- glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
- glutCreateWindow(argv[0]);
- glewInit();
- glutReshapeFunc( Reshape );
- glutKeyboardFunc( Key );
- glutDisplayFunc( Display );
- Init();
- glutMainLoop();
- return 0;
-}
projects / mesa.git / blobdiff