fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-25 15:10:10 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

st/nine: Implement ATOC hack

Browse source 
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 <tizbac2@gmail.com>
Signed-off-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Axel Davy 2015-01-14 12:41:16 +01:00
parent 0a4aaf1d41
commit 75676886e4
3 changed files with 13 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
include/D3D9/d3d9types.h
View file

@ -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'),

4
src/gallium/state_trackers/nine/adapter9.c
View file

@ -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;

8
src/gallium/state_trackers/nine/device9.c
View file

@ -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)) {