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gerrit-public.fairphone.software / platform / external / mesa3d / 450136d368ce7a08cf25992c79b51f51f8a9bb7c / . / progs / tests / vptest2.c
blob: 2158e07f04247577131614844e2e855d0119a7f4 [file] [log] [blame]
Brian Paul797ea812001-12-14 03:03:38 +0000[diff] [blame]1/* Test vertex state program execution */
2
3#include <assert.h>
4#include <string.h>
5#include <stdio.h>
6#include <stdlib.h>
7#include <math.h>
8#define GL_GLEXT_PROTOTYPES
9#include <GL/glut.h>
10
11
12
13static void Display( void )
14{
15 glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
16 glPushMatrix();
17 glutSolidCube(2.0);
18 glPopMatrix();
19 glutSwapBuffers();
20}
21
22
23static void Reshape( int width, int height )
24{
25 glViewport( 0, 0, width, height );
26 glMatrixMode( GL_PROJECTION );
27 glLoadIdentity();
28 glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
29 glMatrixMode( GL_MODELVIEW );
30 glLoadIdentity();
31 glTranslatef( 0.0, 0.0, -15.0 );
32}
33
34
35static void Key( unsigned char key, int x, int y )
36{
37 (void) x;
38 (void) y;
39 switch (key) {
40 case 27:
41 exit(0);
42 break;
43 }
44 glutPostRedisplay();
45}
46
47
48static void Test1( void )
49{
50 static const GLfloat p[4] = {9, 8, 7, 6};
51 GLfloat q[4];
52 /* test addition */
53 static const char *prog =
54 "!!VSP1.0\n"
55 "MOV R0, c[0];\n"
56 "MOV R1, c[1];\n"
57 "ADD c[2], R0, R1;\n"
58 "END\n";
59
60 glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1,
61 strlen(prog),
62 (const GLubyte *) prog);
63 assert(glIsProgramNV(1));
64
65 glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 0, 1, 2, 3, 4);
66 glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 1, 10, 20, 30, 40);
67
68 glExecuteProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1, p);
69
70 glGetProgramParameterfvNV(GL_VERTEX_PROGRAM_NV, 2, GL_PROGRAM_PARAMETER_NV, q);
71 printf("Result c[2] = %g %g %g %g (should be 11 22 33 44)\n",
72 q[0], q[1], q[2], q[3]);
73}
74
75
76static void Test2( void )
77{
78 static const GLfloat p[4] = {9, 8, 7, 6};
79 GLfloat q[4];
80 /* test swizzling */
81 static const char *prog =
82 "!!VSP1.0\n"
83 "MOV R0, c[0].wzyx;\n"
84 "MOV R1, c[1].wzyx;\n"
85 "ADD c[2], R0, R1;\n"
86 "END\n";
87
88 glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1,
89 strlen(prog),
90 (const GLubyte *) prog);
91 assert(glIsProgramNV(1));
92
93 glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 0, 1, 2, 3, 4);
94 glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 1, 10, 20, 30, 40);
95
96 glExecuteProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1, p);
97
98 glGetProgramParameterfvNV(GL_VERTEX_PROGRAM_NV, 2, GL_PROGRAM_PARAMETER_NV, q);
99 printf("Result c[2] = %g %g %g %g (should be 44 33 22 11)\n",
100 q[0], q[1], q[2], q[3]);
101}
102
103
104static void Test3( void )
105{
106 static const GLfloat p[4] = {0, 0, 0, 0};
107 GLfloat q[4];
108 /* normalize vector */
109 static const char *prog =
110 "!!VSP1.0\n"
111 "# c[0] = (nx,ny,nz)\n"
112 "# R0.xyz = normalize(R1)\n"
113 "# R0.w = 1/sqrt(nx*nx + ny*ny + nz*nz)\n"
114 "# c[2] = R0\n"
115 "DP3 R0.w, c[0], c[0];\n"
116 "RSQ R0.w, R0.w;\n"
117 "MUL R0.xyz, c[0], R0.w;\n"
118 "MOV c[2], R0;\n"
119 "END\n";
120
121 glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1,
122 strlen(prog),
123 (const GLubyte *) prog);
124 assert(glIsProgramNV(1));
125
126 glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 0, 0, 10, 0, 0);
127
128 glExecuteProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1, p);
129
130 glGetProgramParameterfvNV(GL_VERTEX_PROGRAM_NV, 2, GL_PROGRAM_PARAMETER_NV, q);
131 printf("Result c[2] = %g %g %g %g (should be 0, 1, 0, 0.1)\n",
132 q[0], q[1], q[2], q[3]);
133}
134
135
136int main( int argc, char *argv[] )
137{
138 glutInit( &argc, argv );
139 glutInitWindowPosition( 0, 0 );
140 glutInitWindowSize( 50, 50 );
141 glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
142 glutCreateWindow(argv[0]);
143 glutReshapeFunc( Reshape );
144 glutKeyboardFunc( Key );
145 glutDisplayFunc( Display );
146 Test1();
147 Test2();
148 Test3();
149 glutMainLoop();
150 return 0;
151}