From: Marek Olšák <marek.ol...@amd.com>
The GL limit is MaxTextureCombinedUnits, but the real usable limit is
MaxTextureCoordUnits. This is probably a spec bug.
Mesa will ignore glTexEnv calls where unit >= MaxTextureCoordUnits.
---
tests/general/texunits.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tests/general/texunits.c b/tests/general/texunits.c
index b68dcf7..c6fbcb1 100644
--- a/tests/general/texunits.c
+++ b/tests/general/texunits.c
@@ -276,30 +276,30 @@ test_texture_params(void)
static GLboolean
test_texture_env(void)
{
/* Texture Environment state is fixed-function; not used by shaders */
int i;
clear_errors();
/* set per-unit state */
- for (i = 0; i < MaxTextureCombinedUnits; i++) {
+ for (i = 0; i < MaxTextureCoordUnits; i++) {
glActiveTexture(GL_TEXTURE0 + i);
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, Random[i]);
if (!piglit_check_gl_error(GL_NO_ERROR)) {
return GL_FALSE;
}
}
/* check per-unit state */
- for (i = 0; i < MaxTextureCombinedUnits; i++) {
+ for (i = 0; i < MaxTextureCoordUnits; i++) {
GLfloat v[4];
glActiveTexture(GL_TEXTURE0 + i);
glGetTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, v);
if (!equal4v(v, Random[i])) {
printf("Setting per-unit env state failed for unit %d\n", i);
report4v(Random[i], v);
return GL_FALSE;
}
}
--
2.7.4
_______________________________________________
Piglit mailing list
Piglit@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/piglit
