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drm/radeon/kms: add MSAA texture support for r600-evergreen

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Most of the checking seems to be in place already. As you can see,
log2(number of samples) resides in LAST_LEVEL.

This is required for MSAA support (namely for depth-stencil resolve and
blitting between MSAA resources).

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Marek Olšák
2012-08-09 16:34:16 +02:00
committed by Alex Deucher
parent f00245f182
commit b51ad12a36
3 changed files with 15 additions and 2 deletions
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7
drivers/gpu/drm/radeon/evergreen_cs.c
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@@ -788,6 +788,13 @@ static int evergreen_cs_track_validate_texture(struct radeon_cs_parser *p,
case V_030000_SQ_TEX_DIM_1D_ARRAY:
case V_030000_SQ_TEX_DIM_2D_ARRAY:
depth = 1;
break;
case V_030000_SQ_TEX_DIM_2D_MSAA:
case V_030000_SQ_TEX_DIM_2D_ARRAY_MSAA:
surf.nsamples = 1 << llevel;
llevel = 0;
depth = 1;
break;
case V_030000_SQ_TEX_DIM_3D:
break;
default: