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[D3D12] ROV: Track which RTs and components have been actually written

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This commit is contained in:
Triang3l
2018-10-18 14:54:33 +03:00
parent 1860bc6a59
commit f48ea20880
4 changed files with 186 additions and 61 deletions
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20
src/xenia/gpu/dxbc_shader_translator.h
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@@ -77,17 +77,19 @@ class DxbcShaderTranslator : public ShaderTranslator {
};
enum : uint32_t {
// Whether the write mask is non-zero.
kRTFlag_Used_Shift,
// Whether the render target needs to be merged with another (if the write
// mask is not 1111, or 11 for 16_16, or 1 for 32_FLOAT, or blending is
// enabled and it's not no-op).
kRTFlag_Load_Shift,
kRTFlag_Blend_Shift,
kRTFlag_WriteR_Shift,
kRTFlag_WriteG_Shift,
kRTFlag_WriteB_Shift,
kRTFlag_WriteA_Shift,
kRTFlag_Blend_Shift,
// Whether the component does not exist in the render target format.
kRTFlag_FormatUnusedR_Shift,
kRTFlag_FormatUnusedG_Shift,
kRTFlag_FormatUnusedB_Shift,
kRTFlag_FormatUnusedA_Shift,
// Whether the format is fixed-point and needs to be converted to integer
// (k_8_8_8_8, k_2_10_10_10, k_16_16, k_16_16_16_16).
kRTFlag_FormatFixed_Shift,
@@ -97,13 +99,15 @@ class DxbcShaderTranslator : public ShaderTranslator {
// f16tof32/f32tof16 is needed.
kRTFlag_FormatFloat16_Shift,
kRTFlag_Used = 1u << kRTFlag_Used_Shift,
kRTFlag_Load = 1u << kRTFlag_Load_Shift,
kRTFlag_Blend = 1u << kRTFlag_Blend_Shift,
kRTFlag_WriteR = 1u << kRTFlag_WriteR_Shift,
kRTFlag_WriteG = 1u << kRTFlag_WriteG_Shift,
kRTFlag_WriteB = 1u << kRTFlag_WriteB_Shift,
kRTFlag_WriteA = 1u << kRTFlag_WriteA_Shift,
kRTFlag_Blend = 1u << kRTFlag_Blend_Shift,
kRTFlag_FormatUnusedR = 1u << kRTFlag_FormatUnusedR_Shift,
kRTFlag_FormatUnusedG = 1u << kRTFlag_FormatUnusedG_Shift,
kRTFlag_FormatUnusedB = 1u << kRTFlag_FormatUnusedB_Shift,
kRTFlag_FormatUnusedA = 1u << kRTFlag_FormatUnusedA_Shift,
kRTFlag_FormatFixed = 1u << kRTFlag_FormatFixed_Shift,
kRTFlag_FormatFloat10 = 1u << kRTFlag_FormatFloat10_Shift,
kRTFlag_FormatFloat16 = 1u << kRTFlag_FormatFloat16_Shift,
@@ -919,6 +923,8 @@ class DxbcShaderTranslator : public ShaderTranslator {
// Color outputs in pixel shaders (because of exponent bias, alpha test and
// remapping).
uint32_t system_temp_color_[4];
// Whether the color output has been written in the execution path (ROV only).
uint32_t system_temp_color_written_;
// Depth output in pixel shader, and 3 dwords usable as scratch for operations
// related to depth. Currently only used for ROV depth.
// TODO(Triang3l): Reduce depth to 24-bit in pixel shaders when using a DSV