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xserver/glamor
Zhigang Gong 67da52ec13 glamor: Add color conversion support by using new shader.
There are two places we need to do color conversion.

1. When upload a image data to a texture.
2. When download a texture to a memory buffer.

As the color format may not be supported in GLES2. We may
need to do the following two operations to convert dat.

a. revert argb to bgra / abgr to rgba.
b. swap argb to abgr / bgra to rgba.

Signed-off-by: Zhigang Gong <zhigang.gong@gmail.com>
2011-09-26 16:47:01 +08:00
..
2011-09-26 16:47:01 +08:00