Ian Romanick wrote:
Leif Delgass wrote:
On Thu, 2 Jan 2003, Daniel Vogel wrote:
A bit unrelated:
Log: OpenGL Error: GL_INVALID_ENUM (UOpenGLRenderDevice::Unlock)
(if anyone wants the full log let me know)
On OS X 10.2.3 this is caused by
glTexEnvi( GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_COLOR );
This is indeed one of the sources of the GL_INVALID_ENUMs; however, it
appears to be a bug in Mesa. There seems to be a missing break after
texstate.c:423 :
--- texstate.c Tue Jan 21 17:10:15 2003
+++ texstate.fixed.c Tue Jan 21 17:11:19 2003
@@ -421,6 +421,7 @@
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->CombineOperandRGB[2] = operand;
+ break;
default:
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand);
return;
Brian, does that look right to you?
I had just come across this today also. I think a better sollution
would be to fold the GL_OPERAND2_{RGB,ALPHA} cases in with the
GL_OPERAND[01]_{RGB,ALPHA} cases. If we care about filtering out the
cases that are not valid for EXT_texture_env_combine, we should do in
the inner switch in those cases.
Feel free to whip up a patch for that. :)
-Brian
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