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[D3D12] Dithered alpha to coverage

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This commit is contained in:
Triang3l
2020-07-07 23:09:28 +03:00
parent 596f1691c0
commit 829c6ee2b0
30 changed files with 2470 additions and 2329 deletions
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46
src/xenia/gpu/dxbc_shader_translator.h
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@@ -132,7 +132,6 @@ class DxbcShaderTranslator : public ShaderTranslator {
kSysFlag_AlphaPassIfLess_Shift,
kSysFlag_AlphaPassIfEqual_Shift,
kSysFlag_AlphaPassIfGreater_Shift,
kSysFlag_AlphaToCoverage_Shift,
kSysFlag_Color0Gamma_Shift,
kSysFlag_Color1Gamma_Shift,
kSysFlag_Color2Gamma_Shift,
@@ -175,7 +174,6 @@ class DxbcShaderTranslator : public ShaderTranslator {
kSysFlag_AlphaPassIfLess = 1u << kSysFlag_AlphaPassIfLess_Shift,
kSysFlag_AlphaPassIfEqual = 1u << kSysFlag_AlphaPassIfEqual_Shift,
kSysFlag_AlphaPassIfGreater = 1u << kSysFlag_AlphaPassIfGreater_Shift,
kSysFlag_AlphaToCoverage = 1u << kSysFlag_AlphaToCoverage_Shift,
kSysFlag_Color0Gamma = 1u << kSysFlag_Color0Gamma_Shift,
kSysFlag_Color1Gamma = 1u << kSysFlag_Color1Gamma_Shift,
kSysFlag_Color2Gamma = 1u << kSysFlag_Color2Gamma_Shift,
@@ -238,10 +236,13 @@ class DxbcShaderTranslator : public ShaderTranslator {
// components of each of the 32 used texture fetch constants.
uint32_t texture_swizzled_signs[8];
// If alpha to mask is disabled, the entire alpha_to_mask value must be 0.
// If alpha to mask is enabled, bits 0:7 are sample offsets, and bit 8 must
// be 1.
uint32_t alpha_to_mask;
uint32_t edram_resolution_square_scale;
uint32_t edram_pitch_tiles;
uint32_t edram_depth_base_dwords;
uint32_t padding_edram_depth_base_dwords;
float color_exp_bias[4];
@@ -1948,19 +1949,20 @@ class DxbcShaderTranslator : public ShaderTranslator {
// 2 vectors.
kSysConst_TextureSwizzledSigns_Vec = kSysConst_SampleCountLog2_Vec + 1,
kSysConst_AlphaToMask_Index = kSysConst_TextureSwizzledSigns_Index + 1,
kSysConst_AlphaToMask_Vec = kSysConst_TextureSwizzledSigns_Vec + 2,
kSysConst_AlphaToMask_Comp = 0,
kSysConst_EDRAMResolutionSquareScale_Index =
kSysConst_TextureSwizzledSigns_Index + 1,
kSysConst_EDRAMResolutionSquareScale_Vec =
kSysConst_TextureSwizzledSigns_Vec + 2,
kSysConst_EDRAMResolutionSquareScale_Comp = 0,
kSysConst_AlphaToMask_Index + 1,
kSysConst_EDRAMResolutionSquareScale_Vec = kSysConst_AlphaToMask_Vec,
kSysConst_EDRAMResolutionSquareScale_Comp = 1,
kSysConst_EDRAMPitchTiles_Index =
kSysConst_EDRAMResolutionSquareScale_Index + 1,
kSysConst_EDRAMPitchTiles_Vec = kSysConst_EDRAMResolutionSquareScale_Vec,
kSysConst_EDRAMPitchTiles_Comp = 1,
kSysConst_EDRAMPitchTiles_Vec = kSysConst_AlphaToMask_Vec,
kSysConst_EDRAMPitchTiles_Comp = 2,
kSysConst_EDRAMDepthBaseDwords_Index = kSysConst_EDRAMPitchTiles_Index + 1,
kSysConst_EDRAMDepthBaseDwords_Vec =
kSysConst_EDRAMResolutionSquareScale_Vec,
kSysConst_EDRAMDepthBaseDwords_Comp = 2,
kSysConst_EDRAMDepthBaseDwords_Vec = kSysConst_AlphaToMask_Vec,
kSysConst_EDRAMDepthBaseDwords_Comp = 3,
kSysConst_ColorExpBias_Index = kSysConst_EDRAMDepthBaseDwords_Index + 1,
kSysConst_ColorExpBias_Vec = kSysConst_EDRAMDepthBaseDwords_Vec + 1,
@@ -2225,17 +2227,17 @@ class DxbcShaderTranslator : public ShaderTranslator {
const DxbcSrc& is_signed);
void ExportToMemory();
void CompleteVertexOrDomainShader();
// Discards the SSAA sample if it fails alpha to coverage.
void CompletePixelShader_WriteToRTVs_AlphaToCoverage();
// Discards the SSAA sample if it's masked out by alpha to coverage.
void CompletePixelShader_WriteToRTVs_AlphaToMask();
void CompletePixelShader_WriteToRTVs();
// Masks the sample away from system_temp_rov_params_.x if it's not covered.
void CompletePixelShader_ROV_AlphaToCoverageSample(uint32_t sample_index,
float threshold,
uint32_t temp,
uint32_t temp_component);
// threshold_offset and temp.temp_component can be the same if needed.
void CompletePixelShader_ROV_AlphaToMaskSample(
uint32_t sample_index, float threshold_base, DxbcSrc threshold_offset,
float threshold_offset_scale, uint32_t temp, uint32_t temp_component);
// Performs alpha to coverage if necessary, updating the low (coverage) bits
// of system_temp_.
void CompletePixelShader_ROV_AlphaToCoverage();
// of system_temp_rov_params_.x.
void CompletePixelShader_ROV_AlphaToMask();
void CompletePixelShader_WriteToROV();
void CompletePixelShader();
@@ -2492,6 +2494,10 @@ class DxbcShaderTranslator : public ShaderTranslator {
bool in_primitive_id_used_;
// Whether InOutRegister::kDSInControlPointIndex has been used in the shader.
bool in_control_point_index_used_;
// Whether the XY of the pixel position has been used in the pixel shader.
bool in_position_xy_used_;
// Whether the faceness has been used in the pixel shader.
bool in_front_face_used_;
// Subroutine labels. D3D10_SB_OPCODE_LABEL is not counted as an instruction
// in STAT.