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Diffstat (limited to 'progs/tests/arbvptest1.c')
| -rw-r--r-- | progs/tests/arbvptest1.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/progs/tests/arbvptest1.c b/progs/tests/arbvptest1.c new file mode 100644 index 00000000000..0ebd3987f58 --- /dev/null +++ b/progs/tests/arbvptest1.c @@ -0,0 +1,164 @@ +/* Test glGenProgramsARB(), glIsProgramARB(), glLoadProgramARB() */ + +#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); + glVertexAttrib2fARB(0, -1, -1); + glVertexAttrib2fARB(0, 1, -1); + glVertexAttrib2fARB(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 load_program(const char *prog, GLuint prognum) +{ + int a; + GLint errorpos, errno; + + glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum); + glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, + strlen(prog), (const GLubyte *) prog); + + assert(glIsProgramARB(prognum)); + errno = glGetError(); + printf("glGetError = %d\n", errno); + if (errno != GL_NO_ERROR) + { + glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos); + printf("errorpos: %d\n", errorpos); + printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)); + + for (a=-10; a<10; a++) + { + if ((errorpos+a < 0) || (errorpos+a >= strlen(prog))) continue; + printf("%c", prog[errorpos+a]); + } + printf("\n"); + exit(1); + } +} + +static void Init( void ) +{ + GLuint prognum[4]; + + static const char *prog1 = + "!!ARBvp1.0\n" + "TEMP R0;\n" + "MUL result.color.primary.xyz, R0, program.local[35]; \n" + "END\n"; + static const char *prog2 = + "!!ARBvp1.0\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" + "TEMP R0, R1;\n" + "#\n" + "# outputs diffuse illumination for color and perturbed position\n" + "#\n" + "DP3 R0, program.local[32], vertex.normal; # light direction DOT normal\n" + "MUL result.color.primary.xyz, R0, program.local[35]; \n" + "MAX R0, program.local[64].x, R0; \n" + "MUL R0, R0, vertex.normal; \n" + "MUL R0, R0, program.local[64].z; \n" + "ADD R1, vertex.position, -R0; # perturb object space position\n" + "DP4 result.position.x, state.matrix.mvp.row[3], R1; \n" + "DP4 result.position.y, state.matrix.mvp.row[1], R1; \n" + "DP4 result.position.z, state.matrix.mvp.row[2], R1; \n" + "DP4 result.position.w, state.matrix.mvp.row[3], R1; \n" + "END\n"; + static const char *prog3 = + "!!ARBvp1.0\n" + "TEMP R0, R1, R2, R3;\n" + "DP4 result.position.x, state.matrix.mvp.row[0], vertex.position;\n" + "DP4 result.position.y, state.matrix.mvp.row[1], vertex.position;\n" + "DP4 result.position.z, state.matrix.mvp.row[2], vertex.position;\n" + "DP4 result.position.w, state.matrix.mvp.row[3], vertex.position;\n" + "DP3 R0.x, state.matrix.modelview.inverse.row[0], vertex.normal;\n" + "DP3 R0.y, state.matrix.modelview.inverse.row[1], vertex.normal;\n" + "DP3 R0.z, state.matrix.modelview.inverse.row[2], vertex.normal;\n" + "DP3 R1.x, program.env[32], R0; # R1.x = Lpos DOT n'\n" + "DP3 R1.y, program.env[33], R0; # R1.y = hHat DOT n'\n" + "MOV R1.w, program.local[38].x; # R1.w = specular power\n" + "LIT R2, R1; # Compute lighting values\n" + "MAD R3, program.env[35].x, R2.y, program.env[35].y; # diffuse + emissive\n" + "MAD result.color.primary.xyz, program.env[36], R2.z, R3; # + specular\n" + "END\n"; + static const char *prog4 = + "!!ARBvp1.0\n" + "TEMP R2, R3;\n" + "PARAM foo = {0., 0., 0., 1.};\n" + "PARAM blah[] = { program.local[0..8] };\n" + "ADDRESS A0;\n" + "ARL A0.x, foo.x;\n" + "DP4 R2, R3, blah[A0.x].x;\n" + "DP4 R2, R3, blah[A0.x + 5];\n" + "DP4 result.position, R3, blah[A0.x - 4];\n" + "END\n"; + + glGenProgramsARB(4, prognum); + + load_program(prog1, prognum[0]); + load_program(prog2, prognum[1]); + load_program(prog3, prognum[2]); + load_program(prog4, prognum[3]); +} + + +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; +} |