From 75676886e4dd43c1e9ab85891d1ab6b2bf1fad92 Mon Sep 17 00:00:00 2001 From: Axel Davy Date: Wed, 14 Jan 2015 12:41:16 +0100 Subject: [PATCH] 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 Signed-off-by: Axel Davy --- include/D3D9/d3d9types.h | 1 + src/gallium/state_trackers/nine/adapter9.c | 4 ++++ src/gallium/state_trackers/nine/device9.c | 8 ++++++++ 3 files changed, 13 insertions(+) diff --git a/include/D3D9/d3d9types.h b/include/D3D9/d3d9types.h index 859c2f56dc4..e0f1e720ab1 100644 --- a/include/D3D9/d3d9types.h +++ b/include/D3D9/d3d9types.h @@ -651,6 +651,7 @@ typedef enum _D3DFORMAT { D3DFMT_BINARYBUFFER = 199, D3DFMT_ATI1 = MAKEFOURCC('A', 'T', 'I', '1'), D3DFMT_ATI2 = MAKEFOURCC('A', 'T', 'I', '2'), + D3DFMT_ATOC = MAKEFOURCC('A', 'T', 'O', 'C'), D3DFMT_DF16 = MAKEFOURCC('D', 'F', '1', '6'), D3DFMT_DF24 = MAKEFOURCC('D', 'F', '2', '4'), D3DFMT_INTZ = MAKEFOURCC('I', 'N', 'T', 'Z'), 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; diff --git a/src/gallium/state_trackers/nine/device9.c b/src/gallium/state_trackers/nine/device9.c index 63f9f16586e..46b4c5a6c44 100644 --- a/src/gallium/state_trackers/nine/device9.c +++ b/src/gallium/state_trackers/nine/device9.c @@ -2075,6 +2075,14 @@ NineDevice9_SetRenderState( struct NineDevice9 *This, } } + /* NV hack */ + if (State == D3DRS_ADAPTIVETESS_Y && + (Value == D3DFMT_ATOC || (Value == D3DFMT_UNKNOWN && state->rs[NINED3DRS_ALPHACOVERAGE]))) { + state->rs[NINED3DRS_ALPHACOVERAGE] = (Value == D3DFMT_ATOC); + state->changed.group |= NINE_STATE_BLEND; + return D3D_OK; + } + user_assert(State < Elements(state->rs), D3DERR_INVALIDCALL); if (likely(state->rs[State] != Value) || unlikely(This->is_recording)) { -- 2.30.2