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Use GL_STATIC_DRAW for element index buffer 

The buffer never changes anyway.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
This commit is contained in:
Grigori Goronzy 2013-10-02 00:37:56 +02:00 committed by Eric Anholt
parent 8afa008ec4
commit 5695708ecd
1 changed files with 2 additions and 2 deletions
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4
glamor/glamor_render.c
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@ -408,7 +408,7 @@ glamor_init_composite_shaders(ScreenPtr screen)
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) { if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
dispatch->glBufferData(GL_ELEMENT_ARRAY_BUFFER, dispatch->glBufferData(GL_ELEMENT_ARRAY_BUFFER,
eb_size, eb_size,
NULL, GL_DYNAMIC_DRAW); NULL, GL_STATIC_DRAW);
eb = dispatch->glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY); eb = dispatch->glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY);
} }
else { else {
@ -428,7 +428,7 @@ glamor_init_composite_shaders(ScreenPtr screen)
} else { } else {
dispatch->glBufferData(GL_ELEMENT_ARRAY_BUFFER, dispatch->glBufferData(GL_ELEMENT_ARRAY_BUFFER,
eb_size, eb_size,
eb, GL_DYNAMIC_DRAW); eb, GL_STATIC_DRAW);
dispatch->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); dispatch->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
dispatch->glBindBuffer(GL_ARRAY_BUFFER, glamor_priv->vbo); dispatch->glBindBuffer(GL_ARRAY_BUFFER, glamor_priv->vbo);