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demos: asst. updates, clean-ups

This commit is contained in:
Brian Paul 2009-04-27 17:01:59 -06:00
parent 2c994ad3cb
commit e0d5ff1a8a
1 changed files with 20 additions and 23 deletions
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43
progs/tests/floattex.c
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@ -1,6 +1,5 @@
/*
* Test floating point textures.
* No actual rendering, yet.
*/
@ -103,7 +102,6 @@ Key(unsigned char key, int x, int y)
}
static void
InitTexture(void)
{
@ -141,6 +139,8 @@ InitTexture(void)
GL_RGB, GL_FLOAT, ftex);
CheckError(__LINE__);
/* sanity checks */
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_RED_TYPE_ARB, &t);
assert(t == GL_FLOAT);
@ -152,32 +152,26 @@ InitTexture(void)
assert(t == GL_FLOAT);
free(image);
free(ftex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
#if 0
/* 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]);
if (1) {
/* read back the texture and make sure values are correct */
GLfloat *tex2 = (GLfloat *)
malloc(imgWidth * imgHeight * 4 * sizeof(GLfloat));
glGetTexImage(GL_TEXTURE_2D, 0, imgFormat, GL_FLOAT, tex2);
CheckError(__LINE__);
for (i = 0; i < imgWidth * imgHeight * 4; i++) {
if (ftex[i] != tex2[i]) {
printf("tex[%d] %g != tex2[%d] %g\n",
i, ftex[i], i, tex2[i]);
}
}
}
#endif
free(ftex);
}
@ -193,7 +187,9 @@ CreateProgram(void)
assert(program);
// InitUniforms(program, Uniforms);
glUseProgram_func(program);
InitUniforms(program, Uniforms);
return program;
}
@ -211,8 +207,9 @@ Init(void)
exit(1);
}
if (!glutExtensionSupported("GL_MESAX_texture_float")) {
printf("Sorry, this test requires GL_MESAX_texture_float\n");
if (!glutExtensionSupported("GL_MESAX_texture_float") &&
!glutExtensionSupported("GL_ARB_texture_float")) {
printf("Sorry, this test requires GL_MESAX/ARB_texture_float\n");
exit(1);
}