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authorAxel Davy <[email protected]>2015-01-14 12:41:16 +0100
committerAxel Davy <[email protected]>2015-02-06 00:07:19 +0100
commit75676886e4dd43c1e9ab85891d1ab6b2bf1fad92 (patch)
treefeb250fbc71f1e257a930971bfae311ee627b6ee /src/gallium/state_trackers/nine/adapter9.c
parent0a4aaf1d411360c2a557fb016ffcb41f2701b9a2 (diff)
st/nine: Implement ATOC hack
ATOC is an hack for Alpha to coverage that is supported by NV and Intel. You need to check the support for it with CheckDeviceFormat. Reviewed-by: Tiziano Bacocco <[email protected]> Signed-off-by: Axel Davy <[email protected]>
Diffstat (limited to 'src/gallium/state_trackers/nine/adapter9.c')
-rw-r--r--src/gallium/state_trackers/nine/adapter9.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/nine/adapter9.c b/src/gallium/state_trackers/nine/adapter9.c
index 84578aca5ea..459aac3695f 100644
--- a/src/gallium/state_trackers/nine/adapter9.c
+++ b/src/gallium/state_trackers/nine/adapter9.c
@@ -307,6 +307,10 @@ NineAdapter9_CheckDeviceFormat( struct NineAdapter9 *This,
return screen->get_param(screen, PIPE_CAP_MULTISAMPLE_Z_RESOLVE) ?
D3D_OK : D3DERR_NOTAVAILABLE;
+ /* ATOC hack */
+ if (CheckFormat == D3DFMT_ATOC && RType == D3DRTYPE_SURFACE)
+ return D3D_OK;
+
if (Usage & D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING)
bind |= PIPE_BIND_BLENDABLE;