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>
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@ -408,7 +408,7 @@ glamor_init_composite_shaders(ScreenPtr screen)
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if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
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dispatch->glBufferData(GL_ELEMENT_ARRAY_BUFFER,
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eb_size,
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NULL, GL_DYNAMIC_DRAW);
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NULL, GL_STATIC_DRAW);
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eb = dispatch->glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY);
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}
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else {
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@ -428,7 +428,7 @@ glamor_init_composite_shaders(ScreenPtr screen)
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} else {
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dispatch->glBufferData(GL_ELEMENT_ARRAY_BUFFER,
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eb_size,
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eb, GL_DYNAMIC_DRAW);
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eb, GL_STATIC_DRAW);
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dispatch->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
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dispatch->glBindBuffer(GL_ARRAY_BUFFER, glamor_priv->vbo);
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