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[D3D12] Blend constant values

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Triang3l
2018-10-12 23:56:49 +03:00
parent 5f108246b6
commit 60c7f11fe0
3 changed files with 249 additions and 0 deletions
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209
src/xenia/gpu/dxbc_shader_translator.cc
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@@ -71,6 +71,215 @@ DxbcShaderTranslator::DxbcShaderTranslator(bool edram_rov_used)
}
DxbcShaderTranslator::~DxbcShaderTranslator() = default;
bool DxbcShaderTranslator::GetBlendConstants(uint32_t blend_control,
uint32_t& blend1_out,
uint32_t& blend2_out) {
static const uint32_t kBlend1SrcFactorMap[32] = {
0,
kBlend1_Src_One,
0,
0,
kBlend1_Src_SrcColor_Pos,
kBlend1_Src_One | kBlend1_Src_SrcColor_Neg,
kBlend1_Src_SrcAlpha_Pos,
kBlend1_Src_One | kBlend1_Src_SrcAlpha_Neg,
kBlend1_Src_DestColor_Pos,
kBlend1_Src_One | kBlend1_Src_DestColor_Neg,
kBlend1_Src_DestAlpha_Pos,
kBlend1_Src_One | kBlend1_Src_DestAlpha_Neg,
0,
kBlend1_Src_One,
0,
kBlend1_Src_One,
};
static const uint32_t kBlend2SrcFactorMap[32] = {
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
kBlend2_Src_ConstantColor_Pos,
kBlend2_Src_ConstantColor_Neg,
kBlend2_Src_ConstantAlpha_Pos,
kBlend2_Src_ConstantAlpha_Neg,
kBlend2_Src_AlphaSaturate,
};
static const uint32_t kBlend1SrcAlphaFactorMap[32] = {
0,
kBlend1_SrcAlpha_One,
0,
0,
kBlend1_SrcAlpha_SrcAlpha_Pos,
kBlend1_SrcAlpha_One | kBlend1_SrcAlpha_SrcAlpha_Neg,
kBlend1_SrcAlpha_SrcAlpha_Pos,
kBlend1_SrcAlpha_One | kBlend1_SrcAlpha_SrcAlpha_Neg,
kBlend1_SrcAlpha_DestAlpha_Pos,
kBlend1_SrcAlpha_One | kBlend1_SrcAlpha_DestAlpha_Neg,
kBlend1_SrcAlpha_DestAlpha_Pos,
kBlend1_SrcAlpha_One | kBlend1_SrcAlpha_DestAlpha_Neg,
0,
kBlend1_SrcAlpha_One,
0,
kBlend1_SrcAlpha_One,
};
static const uint32_t kBlend2SrcAlphaFactorMap[32] = {
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
kBlend2_SrcAlpha_ConstantAlpha_Pos,
kBlend2_SrcAlpha_ConstantAlpha_Neg,
kBlend2_SrcAlpha_ConstantAlpha_Pos,
kBlend2_SrcAlpha_ConstantAlpha_Neg,
kBlend2_SrcAlpha_AlphaSaturate,
};
static const uint32_t kBlend1DestFactorMap[32] = {
0,
kBlend1_Dest_One,
0,
0,
kBlend1_Dest_SrcColor_Pos,
kBlend1_Dest_One | kBlend1_Dest_SrcColor_Neg,
kBlend1_Dest_SrcAlpha_Pos,
kBlend1_Dest_One | kBlend1_Dest_SrcAlpha_Neg,
kBlend1_Dest_DestColor_Pos,
kBlend1_Dest_One | kBlend1_Dest_DestColor_Neg,
kBlend1_Dest_DestAlpha_Pos,
kBlend1_Dest_One | kBlend1_Dest_DestAlpha_Neg,
0,
kBlend1_Dest_One,
0,
kBlend1_Dest_One,
};
static const uint32_t kBlend2DestFactorMap[32] = {
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
kBlend2_Dest_ConstantColor_Pos,
kBlend2_Dest_ConstantColor_Neg,
kBlend2_Dest_ConstantAlpha_Pos,
kBlend2_Dest_ConstantAlpha_Neg,
kBlend2_Dest_AlphaSaturate,
};
static const uint32_t kBlend1DestAlphaFactorMap[32] = {
0,
kBlend1_DestAlpha_One,
0,
0,
kBlend1_DestAlpha_SrcAlpha_Pos,
kBlend1_DestAlpha_One | kBlend1_DestAlpha_SrcAlpha_Neg,
kBlend1_DestAlpha_SrcAlpha_Pos,
kBlend1_DestAlpha_One | kBlend1_DestAlpha_SrcAlpha_Neg,
kBlend1_DestAlpha_DestAlpha_Pos,
kBlend1_DestAlpha_One | kBlend1_DestAlpha_DestAlpha_Neg,
kBlend1_DestAlpha_DestAlpha_Pos,
kBlend1_DestAlpha_One | kBlend1_DestAlpha_DestAlpha_Neg,
0,
kBlend1_DestAlpha_One,
0,
kBlend1_DestAlpha_One,
};
static const uint32_t kBlend2DestAlphaFactorMap[32] = {
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
kBlend2_DestAlpha_ConstantAlpha_Pos,
kBlend2_DestAlpha_ConstantAlpha_Neg,
kBlend2_DestAlpha_ConstantAlpha_Pos,
kBlend2_DestAlpha_ConstantAlpha_Neg,
kBlend2_DestAlpha_AlphaSaturate,
};
BlendFactor src_factor = BlendFactor(blend_control & 0x1F);
BlendFactor src_alpha_factor = BlendFactor((blend_control >> 16) & 0x1F);
BlendFactor dest_factor = BlendFactor((blend_control >> 8) & 0x1F);
BlendFactor dest_alpha_factor = BlendFactor((blend_control >> 24) & 0x1F);
blend1_out = kBlend1SrcFactorMap[uint32_t(src_factor)] |
kBlend1SrcAlphaFactorMap[uint32_t(src_alpha_factor)] |
kBlend1DestFactorMap[uint32_t(dest_factor)] |
kBlend1DestAlphaFactorMap[uint32_t(dest_alpha_factor)];
uint32_t blend2 = kBlend2SrcFactorMap[uint32_t(src_factor)] |
kBlend2SrcAlphaFactorMap[uint32_t(src_alpha_factor)] |
kBlend2DestFactorMap[uint32_t(dest_factor)] |
kBlend2DestAlphaFactorMap[uint32_t(dest_alpha_factor)];
switch (BlendOp((blend_control >> 5) & 0x7)) {
case BlendOp::kAdd:
blend2 |= kBlend2_Src_OpSign_Pos | kBlend2_Dest_OpSign_Pos;
break;
case BlendOp::kSubtract:
blend2 |= kBlend2_Src_OpSign_Pos | kBlend2_Dest_OpSign_Neg;
break;
case BlendOp::kMin:
blend2 |= kBlend2_Color_OpMin;
break;
case BlendOp::kMax:
blend2 |= kBlend2_Color_OpMax;
break;
case BlendOp::kRevSubtract:
blend2 |= kBlend2_Src_OpSign_Neg | kBlend2_Dest_OpSign_Pos;
break;
default:
assert_always();
}
switch (BlendOp((blend_control >> 21) & 0x7)) {
case BlendOp::kAdd:
blend2 |= kBlend2_SrcAlpha_OpSign_Pos | kBlend2_DestAlpha_OpSign_Pos;
break;
case BlendOp::kSubtract:
blend2 |= kBlend2_SrcAlpha_OpSign_Pos | kBlend2_DestAlpha_OpSign_Neg;
break;
case BlendOp::kMin:
blend2 |= kBlend2_Alpha_OpMin;
break;
case BlendOp::kMax:
blend2 |= kBlend2_Alpha_OpMax;
break;
case BlendOp::kRevSubtract:
blend2 |= kBlend2_SrcAlpha_OpSign_Neg | kBlend2_DestAlpha_OpSign_Pos;
break;
default:
assert_always();
}
blend2_out = blend2;
// 1 * src + 0 * dest is nop, don't waste GPU time.
return (blend_control & 0x1FFF1FFF) != 0x00010001;
}
void DxbcShaderTranslator::Reset() {
ShaderTranslator::Reset();