summaryrefslogtreecommitdiffstats
path: root/progs/tests/floattex.c
diff options
context:
space:
mode:
Diffstat (limited to 'progs/tests/floattex.c')
-rw-r--r--progs/tests/floattex.c169
1 files changed, 0 insertions, 169 deletions
diff --git a/progs/tests/floattex.c b/progs/tests/floattex.c
deleted file mode 100644
index 2345a49b270..00000000000
--- a/progs/tests/floattex.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * Test floating point textures.
- * No actual rendering, yet.
- */
-
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glut.h>
-
-
-/* XXX - temporary */
-#ifndef GL_ARB_texture_float
-#define GL_ARB_texture_float 1
-#define GL_TEXTURE_RED_TYPE_ARB 0x9000
-#define GL_TEXTURE_GREEN_TYPE_ARB 0x9001
-#define GL_TEXTURE_BLUE_TYPE_ARB 0x9002
-#define GL_TEXTURE_ALPHA_TYPE_ARB 0x9003
-#define GL_TEXTURE_LUMINANCE_TYPE_ARB 0x9004
-#define GL_TEXTURE_INTENSITY_TYPE_ARB 0x9005
-#define GL_TEXTURE_DEPTH_TYPE_ARB 0x9006
-#define GL_UNSIGNED_NORMALIZED_ARB 0x9007
-#define GL_RGBA32F_ARB 0x8814
-#define GL_RGB32F_ARB 0x8815
-#define GL_ALPHA32F_ARB 0x8816
-#define GL_INTENSITY32F_ARB 0x8817
-#define GL_LUMINANCE32F_ARB 0x8818
-#define GL_LUMINANCE_ALPHA32F_ARB 0x8819
-#define GL_RGBA16F_ARB 0x881A
-#define GL_RGB16F_ARB 0x881B
-#define GL_ALPHA16F_ARB 0x881C
-#define GL_INTENSITY16F_ARB 0x881D
-#define GL_LUMINANCE16F_ARB 0x881E
-#define GL_LUMINANCE_ALPHA16F_ARB 0x881F
-#endif
-
-
-static GLboolean
-CheckError( int line )
-{
- GLenum error = glGetError();
- if (error) {
- char *err = (char *) gluErrorString( error );
- fprintf( stderr, "GL Error: %s at line %d\n", err, line );
- return GL_TRUE;
- }
- return GL_FALSE;
-}
-
-
-static void
-Draw(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
-Init(void)
-{
- GLfloat tex[16][16][4];
- GLfloat tex2[16][16][4];
- GLint i, j, t;
-
- if (!glutExtensionSupported("GL_MESAX_texture_float")) {
- printf("Sorry, this test requires GL_MESAX_texture_float\n");
- exit(1);
- }
-
- for (i = 0; i < 16; i++) {
- for (j = 0; j < 16; j++) {
- GLfloat s = i / 15.0;
- tex[i][j][0] = s;
- tex[i][j][1] = 2.0 * s;
- tex[i][j][2] = -3.0 * s;
- tex[i][j][3] = 4.0 * s;
- }
- }
-
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F_ARB, 16, 16, 0, GL_RGBA,
- GL_FLOAT, tex);
- CheckError(__LINE__);
-
- glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_RED_TYPE_ARB, &t);
- assert(t == GL_FLOAT);
- glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_GREEN_TYPE_ARB, &t);
- assert(t == GL_FLOAT);
- glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_BLUE_TYPE_ARB, &t);
- assert(t == GL_FLOAT);
- glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_ALPHA_TYPE_ARB, &t);
- assert(t == GL_FLOAT);
-
- CheckError(__LINE__);
-
- /* read back the texture and make sure values are correct */
- glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_FLOAT, tex2);
- CheckError(__LINE__);
- for (i = 0; i < 16; i++) {
- for (j = 0; j < 16; j++) {
- if (tex[i][j][0] != tex2[i][j][0] ||
- tex[i][j][1] != tex2[i][j][1] ||
- tex[i][j][2] != tex2[i][j][2] ||
- tex[i][j][3] != tex2[i][j][3]) {
- printf("tex[%d][%d] %g %g %g %g != tex2[%d][%d] %g %g %g %g\n",
- i, j,
- tex[i][j][0], tex[i][j][1], tex[i][j][2], tex[i][j][3],
- i, j,
- tex2[i][j][0], tex2[i][j][1], tex2[i][j][2], tex2[i][j][3]);
- }
- }
- }
-
-
-}
-
-
-int
-main(int argc, char *argv[])
-{
- glutInit(&argc, argv);
- glutInitWindowPosition(0, 0);
- glutInitWindowSize(400, 400);
- glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
- glutCreateWindow(argv[0]);
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutDisplayFunc(Draw);
- Init();
- glutMainLoop();
- return 0;
-}