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[DXBC] ROV: Inline 24-bit depth conversion

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Triang3l
2020-07-05 22:50:24 +03:00
parent 713f26b5c8
commit 0fbf0eec9d
3 changed files with 49 additions and 51 deletions
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18
src/xenia/gpu/dxbc_shader_translator.h
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@@ -2166,6 +2166,14 @@ class DxbcShaderTranslator : public ShaderTranslator {
bool ROV_IsDepthStencilEarly() const {
return !is_depth_only_pixel_shader_ && !writes_depth();
}
// Converts the depth value to 24-bit (storing the result in bits 0:23 and
// zeros in 24:31, not creating room for stencil - since this may be involved
// in comparisons) according to the format specified in the system constants.
// Source and destination may be the same, temporary must be different than
// both.
void ROV_DepthTo24Bit(uint32_t d24_temp, uint32_t d24_temp_component,
uint32_t d32_temp, uint32_t d32_temp_component,
uint32_t temp_temp, uint32_t temp_temp_component);
// Does all the depth/stencil-related things, including or not including
// writing based on whether it's late, or on whether it's safe to do it early.
// Updates system_temp_rov_params_ result and coverage if allowed and safe,
@@ -2231,15 +2239,6 @@ class DxbcShaderTranslator : public ShaderTranslator {
void CompletePixelShader_WriteToROV();
void CompletePixelShader();
// Writes a function that converts depth to 24 bits, putting it in 0:23, not
// creating space for stencil (ROV only).
// Input:
// - system_temps_subroutine_[0].x - Z/W + polygon offset at sample.
// Output:
// - system_temps_subroutine_[0].x - 24-bit depth.
// Local temps:
// - system_temps_subroutine_[0].y.
void CompleteShaderCode_ROV_DepthTo24BitSubroutine();
// Writes a function that does early (or both early and late, when not
// separating) depth/stencil testing for one sample (ROV only).
// Input:
@@ -2496,7 +2495,6 @@ class DxbcShaderTranslator : public ShaderTranslator {
// Subroutine labels. D3D10_SB_OPCODE_LABEL is not counted as an instruction
// in STAT.
uint32_t label_rov_depth_to_24bit_;
uint32_t label_rov_depth_stencil_sample_;
uint32_t label_rov_color_sample_[4];