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intel: Don't return a renderbuffer with alpha when just GL_RGB is requested.

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Fixes oglconform rbGetterFuncs testcase.  The span code for this mode hasn't
actually been tested.
This commit is contained in:
Eric Anholt
2008-07-26 17:12:04 -07:00
parent 1e645b3659
commit 902e401a38
2 changed files with 72 additions and 0 deletions
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8
src/mesa/drivers/dri/intel/intel_fbo.c
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@@ -212,6 +212,14 @@ intel_alloc_renderbuffer_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
rb->_ActualFormat = GL_RGB8;
rb->DataType = GL_UNSIGNED_BYTE;
rb->RedBits = 8;
rb->GreenBits = 8;
rb->BlueBits = 8;
rb->AlphaBits = 0;
cpp = 4;
break;
case GL_RGBA:
case GL_RGBA2:
case GL_RGBA4: