diff options
Diffstat (limited to 'progs/tests/fptest1.c')
| -rw-r--r-- | progs/tests/fptest1.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/progs/tests/fptest1.c b/progs/tests/fptest1.c new file mode 100644 index 000000000..d0bcdaa22 --- /dev/null +++ b/progs/tests/fptest1.c @@ -0,0 +1,220 @@ +/* Test GL_NV_fragment_program */ + +#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 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 ) +{ + 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" + ; + + /* 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]; + + 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]); + glutReshapeFunc( Reshape ); + glutKeyboardFunc( Key ); + glutDisplayFunc( Display ); + Init(); + glutMainLoop(); + return 0; +} |