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[D3D12] Don't use _COLOR blend modes for alpha

This commit is contained in:
Triang3l 2018-09-19 22:54:35 +03:00
parent cbd36218bf
commit 9daea21edc
1 changed files with 23 additions and 2 deletions
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25
src/xenia/gpu/d3d12/pipeline_cache.cc
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@ -406,6 +406,27 @@ PipelineCache::UpdateStatus PipelineCache::UpdateBlendStateAndRenderTargets(
/* 15 */ D3D12_BLEND_INV_BLEND_FACTOR, // ONE_MINUS_CONSTANT_ALPHA
/* 16 */ D3D12_BLEND_SRC_ALPHA_SAT,
};
// Like kBlendFactorMap, but with _COLOR modes changed to _ALPHA. Some
// pipelines aren't created in Prey because a color mode is used for alpha.
static const D3D12_BLEND kBlendFactorAlphaMap[] = {
/* 0 */ D3D12_BLEND_ZERO,
/* 1 */ D3D12_BLEND_ONE,
/* 2 */ D3D12_BLEND_ZERO, // ?
/* 3 */ D3D12_BLEND_ZERO, // ?
/* 4 */ D3D12_BLEND_SRC_ALPHA,
/* 5 */ D3D12_BLEND_INV_SRC_ALPHA,
/* 6 */ D3D12_BLEND_SRC_ALPHA,
/* 7 */ D3D12_BLEND_INV_SRC_ALPHA,
/* 8 */ D3D12_BLEND_DEST_ALPHA,
/* 9 */ D3D12_BLEND_INV_DEST_ALPHA,
/* 10 */ D3D12_BLEND_DEST_ALPHA,
/* 11 */ D3D12_BLEND_INV_DEST_ALPHA,
/* 12 */ D3D12_BLEND_BLEND_FACTOR, // CONSTANT_COLOR
/* 13 */ D3D12_BLEND_INV_BLEND_FACTOR, // ONE_MINUS_CONSTANT_COLOR
/* 14 */ D3D12_BLEND_BLEND_FACTOR, // CONSTANT_ALPHA
/* 15 */ D3D12_BLEND_INV_BLEND_FACTOR, // ONE_MINUS_CONSTANT_ALPHA
/* 16 */ D3D12_BLEND_SRC_ALPHA_SAT,
};
static const D3D12_BLEND_OP kBlendOpMap[] = {
/* 0 */ D3D12_BLEND_OP_ADD,
/* 1 */ D3D12_BLEND_OP_SUBTRACT,
@ -434,10 +455,10 @@ PipelineCache::UpdateStatus PipelineCache::UpdateBlendStateAndRenderTargets(
blend_desc.BlendOp = kBlendOpMap[(blend_control & 0x000000E0) >> 5];
// A2XX_RB_BLEND_CONTROL_ALPHA_SRCBLEND
blend_desc.SrcBlendAlpha =
kBlendFactorMap[(blend_control & 0x001F0000) >> 16];
kBlendFactorAlphaMap[(blend_control & 0x001F0000) >> 16];
// A2XX_RB_BLEND_CONTROL_ALPHA_DESTBLEND
blend_desc.DestBlendAlpha =
kBlendFactorMap[(blend_control & 0x1F000000) >> 24];
kBlendFactorAlphaMap[(blend_control & 0x1F000000) >> 24];
// A2XX_RB_BLEND_CONTROL_ALPHA_COMB_FCN
blend_desc.BlendOpAlpha = kBlendOpMap[(blend_control & 0x00E00000) >> 21];
} else {