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[D3D12] Take 0 being bottom-right sample with 2x MSAA in D3D12 into account

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Triang3l
2021-06-06 20:58:50 +03:00
parent c4a5048e62
commit 3f156f26c4
3 changed files with 130 additions and 82 deletions
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11
src/xenia/gpu/dxbc_shader_translator.h
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@@ -768,15 +768,16 @@ class DxbcShaderTranslator : public ShaderTranslator {
void ExportToMemory();
void CompleteVertexOrDomainShader();
// For RTV, adds the sample to coverage_temp.coverage_temp_component if it
// passes alpha to mask (except for sample 0, which overwrites the output to
// initialize it).
// passes alpha to mask (or, if initialize == true (for the first sample
// tested), overwrites the output to initialize it).
// For ROV, masks the sample away from coverage_temp.coverage_temp_component
// if it doesn't pass alpha to mask.
// threshold_offset and temp.temp_component can be the same if needed.
void CompletePixelShader_AlphaToMaskSample(
uint32_t sample_index, float threshold_base, dxbc::Src threshold_offset,
float threshold_offset_scale, uint32_t coverage_temp,
uint32_t coverage_temp_component, uint32_t temp, uint32_t temp_component);
bool initialize, uint32_t sample_index, float threshold_base,
dxbc::Src threshold_offset, float threshold_offset_scale,
uint32_t coverage_temp, uint32_t coverage_temp_component, uint32_t temp,
uint32_t temp_component);
// Performs alpha to coverage if necessary, for RTV, writing to oMask, and for
// ROV, updating the low (coverage) bits of system_temp_rov_params_.x. Done
// manually even for RTV to maintain the guest dithering pattern and because