isa/mutter
1
0
Fork 0
mirror of https://github.com/brl/mutter.git synced 2024-12-25 04:22:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Unnecessary glColorMask on alpha drops performance

Browse Source 
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>
This commit is contained in:
Johan Bilien 2009-04-24 15:07:49 +01:00 committed by Emmanuele Bassi
parent 598939cee1
commit 8eb66da6b0
1 changed files with 1 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gl/cogl-fbo.c
View File

@ -321,13 +321,7 @@ cogl_draw_buffer (CoglBufferTarget target, CoglHandle offscreen)
/* Bind window framebuffer object */
GE( glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, 0) );
if (target == COGL_WINDOW_BUFFER)
{
/* Draw to RGB channels */
GE( glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_FALSE) );
}
else if (target == COGL_MASK_BUFFER)
if (target == COGL_MASK_BUFFER)
{
/* Draw only to ALPHA channel */
GE( glColorMask (GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE) );