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i965: Render R8G8B8X8 as R8G8B8A8

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The sampler can handle R8G8B8X8 (and substitute 1.0 for the fourth
component) but we can't use it as a render target.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Chris Forbes 2014-03-29 18:27:42 +13:00
parent 50eed4eed5
commit 58790043bb
1 changed files with 3 additions and 0 deletions
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src/mesa/drivers/dri/i965/brw_surface_formats.c
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@ -583,6 +583,9 @@ brw_init_surface_formats(struct brw_context *brw)
*/
render = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
break;
case BRW_SURFACEFORMAT_R8G8B8X8_UNORM:
render = BRW_SURFACEFORMAT_R8G8B8A8_UNORM;
break;
}
rinfo = &surface_formats[render];