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vkd3d: Mask out attachments which cannot safely be written to. 

Signed-off-by: Hans-Kristian Arntzen <post@arntzen-software.no>
This commit is contained in:
Hans-Kristian Arntzen 2020-11-19 11:28:51 +01:00
parent 0dc0d75967
commit ffc1fa646c
1 changed files with 11 additions and 0 deletions
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11
libs/vkd3d/state.c
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@ -2464,6 +2464,9 @@ static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *s
}
blend_attachment_from_d3d12(&graphics->blend_attachments[i], rt_desc);
if (graphics->null_attachment_mask & (1u << i))
memset(&graphics->blend_attachments[i], 0, sizeof(graphics->blend_attachments[i]));
}
for (i = rt_count; i < ARRAY_SIZE(graphics->rtv_formats); ++i)
@ -2539,6 +2542,14 @@ static HRESULT d3d12_pipeline_state_init_graphics(struct d3d12_pipeline_state *s
ps_compile_args.output_swizzles = ps_output_swizzle;
ps_compile_args.output_swizzle_count = rt_count;
if (ps_compile_args.dual_source_blending)
{
/* If we're using dual source blending, we can only safely write to MRT 0.
* Be defensive about programs which do not do this for us. */
memset(graphics->blend_attachments + 1, 0,
sizeof(graphics->blend_attachments[0]) * (ARRAY_SIZE(graphics->blend_attachments) - 1));
}
if (compile_args.dual_source_blending && rt_count > 1)
{
WARN("Only one render target is allowed when dual source blending is used.\n");