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Unnecessary glColorMask on alpha drops performance
Bug 1228 - Unnecessary glColorMask on alpha drops performance With DRI2, alpha is allowed in the window's framebuffer Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
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@ -321,13 +321,7 @@ cogl_draw_buffer (CoglBufferTarget target, CoglHandle offscreen)
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/* Bind window framebuffer object */
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GE( glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, 0) );
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if (target == COGL_WINDOW_BUFFER)
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{
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/* Draw to RGB channels */
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GE( glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_FALSE) );
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}
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else if (target == COGL_MASK_BUFFER)
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if (target == COGL_MASK_BUFFER)
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{
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/* Draw only to ALPHA channel */
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GE( glColorMask (GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE) );
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