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-rw-r--r--progs/tests/vptest2.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/progs/tests/vptest2.c b/progs/tests/vptest2.c
new file mode 100644
index 0000000000..2158e07f04
--- /dev/null
+++ b/progs/tests/vptest2.c
@@ -0,0 +1,151 @@
+/* Test vertex state program execution */
+
+#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();
+ glutSolidCube(2.0);
+ 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 Test1( void )
+{
+ static const GLfloat p[4] = {9, 8, 7, 6};
+ GLfloat q[4];
+ /* test addition */
+ static const char *prog =
+ "!!VSP1.0\n"
+ "MOV R0, c[0];\n"
+ "MOV R1, c[1];\n"
+ "ADD c[2], R0, R1;\n"
+ "END\n";
+
+ glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1,
+ strlen(prog),
+ (const GLubyte *) prog);
+ assert(glIsProgramNV(1));
+
+ glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 0, 1, 2, 3, 4);
+ glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 1, 10, 20, 30, 40);
+
+ glExecuteProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1, p);
+
+ glGetProgramParameterfvNV(GL_VERTEX_PROGRAM_NV, 2, GL_PROGRAM_PARAMETER_NV, q);
+ printf("Result c[2] = %g %g %g %g (should be 11 22 33 44)\n",
+ q[0], q[1], q[2], q[3]);
+}
+
+
+static void Test2( void )
+{
+ static const GLfloat p[4] = {9, 8, 7, 6};
+ GLfloat q[4];
+ /* test swizzling */
+ static const char *prog =
+ "!!VSP1.0\n"
+ "MOV R0, c[0].wzyx;\n"
+ "MOV R1, c[1].wzyx;\n"
+ "ADD c[2], R0, R1;\n"
+ "END\n";
+
+ glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1,
+ strlen(prog),
+ (const GLubyte *) prog);
+ assert(glIsProgramNV(1));
+
+ glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 0, 1, 2, 3, 4);
+ glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 1, 10, 20, 30, 40);
+
+ glExecuteProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1, p);
+
+ glGetProgramParameterfvNV(GL_VERTEX_PROGRAM_NV, 2, GL_PROGRAM_PARAMETER_NV, q);
+ printf("Result c[2] = %g %g %g %g (should be 44 33 22 11)\n",
+ q[0], q[1], q[2], q[3]);
+}
+
+
+static void Test3( void )
+{
+ static const GLfloat p[4] = {0, 0, 0, 0};
+ GLfloat q[4];
+ /* normalize vector */
+ static const char *prog =
+ "!!VSP1.0\n"
+ "# c[0] = (nx,ny,nz)\n"
+ "# R0.xyz = normalize(R1)\n"
+ "# R0.w = 1/sqrt(nx*nx + ny*ny + nz*nz)\n"
+ "# c[2] = R0\n"
+ "DP3 R0.w, c[0], c[0];\n"
+ "RSQ R0.w, R0.w;\n"
+ "MUL R0.xyz, c[0], R0.w;\n"
+ "MOV c[2], R0;\n"
+ "END\n";
+
+ glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1,
+ strlen(prog),
+ (const GLubyte *) prog);
+ assert(glIsProgramNV(1));
+
+ glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 0, 0, 10, 0, 0);
+
+ glExecuteProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1, p);
+
+ glGetProgramParameterfvNV(GL_VERTEX_PROGRAM_NV, 2, GL_PROGRAM_PARAMETER_NV, q);
+ printf("Result c[2] = %g %g %g %g (should be 0, 1, 0, 0.1)\n",
+ q[0], q[1], q[2], q[3]);
+}
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowPosition( 0, 0 );
+ glutInitWindowSize( 50, 50 );
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+ glutCreateWindow(argv[0]);
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ Test1();
+ Test2();
+ Test3();
+ glutMainLoop();
+ return 0;
+}