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Test either GL_FRONT_LEFT or GL_FRONT for front-buffer rendering

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For non-stereo visuals, which is all we support, we treat
GL_FRONT_LEFT as GL_FRONT.  However, they are technically different,
and they have different enum values.  Test for either one to determine
if we're in front-buffer rendering mode.

This fix was suggested by Pierre Willenbrock.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
(cherry picked from commit 2085cf2462)
This commit is contained in:
Ian Romanick 2009-04-28 10:08:57 -07:00
parent f104e4d666
commit 64f36ff9fb
1 changed files with 2 additions and 1 deletions
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3
src/mesa/drivers/dri/intel/intel_buffers.c
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@ -326,7 +326,8 @@ intelDrawBuffer(GLcontext * ctx, GLenum mode)
const GLboolean was_front_buffer_rendering =
intel->is_front_buffer_rendering;
intel->is_front_buffer_rendering = (mode == GL_FRONT_LEFT);
intel->is_front_buffer_rendering = (mode == GL_FRONT_LEFT)
|| (mode == GL_FRONT);
/* If we weren't front-buffer rendering before but we are now, make sure
* that the front-buffer has actually been allocated.