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[D3D12] ROV: Don't clamp during blending for floats

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Triang3l
2018-10-21 13:44:35 +03:00
parent eb185ab64c
commit 24bf39e942
2 changed files with 193 additions and 133 deletions
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20
src/xenia/gpu/dxbc_shader_translator.h
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@@ -745,14 +745,27 @@ class DxbcShaderTranslator : public ShaderTranslator {
bool high,
uint32_t width_temp,
uint32_t offset_temp);
// Components of rt_format_flags_temp.
enum : uint32_t {
kROVRTFormatFlagTemp_ColorFixed,
kROVRTFormatFlagTemp_AlphaFixed,
kROVRTFormatFlagTemp_Float10,
kROVRTFormatFlagTemp_Float16,
kROVRTFormatFlagTemp_Fixed_Swizzle =
kROVRTFormatFlagTemp_ColorFixed * 0b00010101 +
kROVRTFormatFlagTemp_AlphaFixed * 0b01000000,
};
void CompletePixelShader_WriteToROV_LoadColor(
uint32_t edram_dword_offset_low_temp,
uint32_t edram_dword_offset_high_temp, uint32_t rt_index,
uint32_t target_temp);
uint32_t rt_format_flags_temp, uint32_t target_temp);
// Clamps the color to the range representable by the render target's format.
// Will also remove NaN since min and max return the non-NaN value.
// color_in_temp and color_out_temp may be the same.
void CompletePixelShader_WriteToROV_ClampColor(uint32_t rt_index,
uint32_t color_temp);
uint32_t color_in_temp,
uint32_t color_out_temp);
// Extracts 0.0 or plus/minus 1.0 from a blend constant. For example, it can
// be used to extract one scale for color and alpha into XY, and another scale
// for color and alpha into ZW. constant_swizzle is a bit mask indicating
@@ -769,6 +782,7 @@ class DxbcShaderTranslator : public ShaderTranslator {
uint32_t factor_swizzle, uint32_t factor_out_temp,
uint32_t write_mask = 0b1111);
void CompletePixelShader_WriteToROV_Blend(uint32_t rt_index,
uint32_t rt_format_flags_temp,
uint32_t src_color_and_output_temp,
uint32_t dest_color_temp);
// Assumes the incoming color is already clamped to the range representable by
@@ -776,7 +790,7 @@ class DxbcShaderTranslator : public ShaderTranslator {
void CompletePixelShader_WriteToROV_StoreColor(
uint32_t edram_dword_offset_low_temp,
uint32_t edram_dword_offset_high_temp, uint32_t rt_index,
uint32_t source_and_scratch_temp);
uint32_t rt_format_flags_temp, uint32_t source_and_scratch_temp);
void CompletePixelShader_WriteToROV();
void CompletePixelShader();
void CompleteShaderCode();