diff options
Diffstat (limited to 'progs/tests/vptest1.c')
-rw-r--r-- | progs/tests/vptest1.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/progs/tests/vptest1.c b/progs/tests/vptest1.c new file mode 100644 index 000000000..560df2c3f --- /dev/null +++ b/progs/tests/vptest1.c @@ -0,0 +1,170 @@ +/* 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 Display( void ) +{ + glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); + + glPushMatrix(); + + glBegin(GL_POLYGON); + glVertexAttrib2fNV(0, -1, -1); + glVertexAttrib2fNV(0, 1, -1); + glVertexAttrib2fNV(0, 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 *prog1 = + "!!VP1.0\n" + "MUL o[COL0].xyz, R0, c[35]; \n" + "END\n"; + static const char *prog2 = + "!!VP1.0\n" + "#\n" + "# c[0-3] = modelview projection (composite) matrix\n" + "# c[32] = normalized light direction in object-space\n" + "# c[35] = yellow diffuse material, (1.0, 1.0, 0.0, 1.0)\n" + "# c[64].x = 0.0\n" + "# c[64].z = 0.125, a scaling factor\n" + "#\n" + "# outputs diffuse illumination for color and perturbed position\n" + "#\n" + "DP3 R0, c[32], v[NRML]; # light direction DOT normal\n" + "MUL o[COL0].xyz, R0, c[35]; \n" + "MAX R0, c[64].x, R0; \n" + "MUL R0, R0, v[NRML]; \n" + "MUL R0, R0, c[64].z; \n" + "ADD R1, v[OPOS], -R0; # perturb object space position\n" + "DP4 o[HPOS].x, c[0], R1; \n" + "DP4 o[HPOS].y, c[1], R1; \n" + "DP4 o[HPOS].z, c[2], R1; \n" + "DP4 o[HPOS].w, c[3], R1; \n" + "END\n"; + static const char *prog3 = + "!!VP1.0\n" + "DP4 o[HPOS].x, c[0], v[OPOS];\n" + "DP4 o[HPOS].y, c[1], v[OPOS];\n" + "DP4 o[HPOS].z, c[2], v[OPOS];\n" + "DP4 o[HPOS].w, c[3], v[OPOS];\n" + "DP3 R0.x, c[4], v[NRML];\n" + "DP3 R0.y, c[5], v[NRML]; \n" + "DP3 R0.z, c[6], v[NRML]; # R0 = n' = transformed normal\n" + "DP3 R1.x, c[32], R0; # R1.x = Lpos DOT n'\n" + "DP3 R1.y, c[33], R0; # R1.y = hHat DOT n'\n" + "MOV R1.w, c[38].x; # R1.w = specular power\n" + "LIT R2, R1; # Compute lighting values\n" + "MAD R3, c[35].x, R2.y, c[35].y; # diffuse + emissive\n" + "MAD o[COL0].xyz, c[36], R2.z, R3; # + specular\n" + "END\n"; + static const char *prog4 = + "!!VP1.0\n" + "DP4 R2, R3, c[A0.x];\n" + "DP4 R2, R3, c[A0.x + 5];\n" + "DP4 o[HPOS], R3, c[A0.x - 4];\n" + "END\n"; + static const char *prog5 = + "!!VSP1.0\n" + "DP4 R2, R3, c[A0.x];\n" + "DP4 R2, R3, v[0];\n" + "DP4 c[3], R3, R2;\n" + "END\n"; + + + GLuint progs[5]; + + glGenProgramsNV(2, progs); + assert(progs[0]); + assert(progs[1]); + assert(progs[0] != progs[1]); + + glGenProgramsNV(3, progs + 2); + assert(progs[2]); + assert(progs[3]); + assert(progs[2] != progs[3]); + assert(progs[0] != progs[2]); + + + glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 1, + strlen(prog1), + (const GLubyte *) prog1); + assert(!glIsProgramNV(1)); + + glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 2, + strlen(prog2), + (const GLubyte *) prog2); + assert(glIsProgramNV(2)); + + glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 3, + strlen(prog3), + (const GLubyte *) prog3); + assert(glIsProgramNV(3)); + + glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 4, + strlen(prog4), + (const GLubyte *) prog4); + assert(glIsProgramNV(4)); + + glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 5, + strlen(prog5), + (const GLubyte *) prog5); + assert(glIsProgramNV(5)); + + 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; +} |