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[D3D12] DXBC - reset interpolators and point parameters

This commit is contained in:
Triang3l 2018-09-02 00:16:58 +03:00
parent 5f24315c0e
commit 71e9085532
2 changed files with 81 additions and 0 deletions
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75
src/xenia/gpu/dxbc_shader_translator.cc
View File

@ -81,6 +81,81 @@ void DxbcShaderTranslator::PopSystemTemp(uint32_t count) {
system_temp_count_current_ -= std::min(count, system_temp_count_current_); system_temp_count_current_ -= std::min(count, system_temp_count_current_);
} }
void DxbcShaderTranslator::StartVertexShaderCode() {
// Zero the interpolators.
for (uint32_t i = 0; i < kInterpolatorCount; ++i) {
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(8));
shader_code_.push_back(
ENCODE_D3D10_SB_OPERAND_NUM_COMPONENTS(D3D10_SB_OPERAND_4_COMPONENT) |
ENCODE_D3D10_SB_OPERAND_4_COMPONENT_SELECTION_MODE(
D3D10_SB_OPERAND_4_COMPONENT_MASK_MODE) |
D3D10_SB_OPERAND_4_COMPONENT_MASK_ALL |
ENCODE_D3D10_SB_OPERAND_TYPE(D3D10_SB_OPERAND_TYPE_OUTPUT) |
ENCODE_D3D10_SB_OPERAND_INDEX_DIMENSION(D3D10_SB_OPERAND_INDEX_1D) |
ENCODE_D3D10_SB_OPERAND_INDEX_REPRESENTATION(
0, D3D10_SB_OPERAND_INDEX_IMMEDIATE32));
shader_code_.push_back(kVSOutInterpolatorRegister + i);
shader_code_.push_back(
ENCODE_D3D10_SB_OPERAND_NUM_COMPONENTS(D3D10_SB_OPERAND_4_COMPONENT) |
ENCODE_D3D10_SB_OPERAND_4_COMPONENT_SELECTION_MODE(
D3D10_SB_OPERAND_4_COMPONENT_SWIZZLE_MODE) |
D3D10_SB_OPERAND_4_COMPONENT_NOSWIZZLE |
ENCODE_D3D10_SB_OPERAND_TYPE(D3D10_SB_OPERAND_TYPE_IMMEDIATE32) |
ENCODE_D3D10_SB_OPERAND_INDEX_DIMENSION(D3D10_SB_OPERAND_INDEX_0D));
shader_code_.push_back(0);
shader_code_.push_back(0);
shader_code_.push_back(0);
shader_code_.push_back(0);
++stat_.instruction_count;
++stat_.mov_instruction_count;
}
// Zero the point coordinate (will be set in the geometry shader if needed)
// and set the point size to a negative value to tell the geometry shader that
// it should use the global point size - the vertex shader may overwrite it
// later.
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(8));
shader_code_.push_back(
ENCODE_D3D10_SB_OPERAND_NUM_COMPONENTS(D3D10_SB_OPERAND_4_COMPONENT) |
ENCODE_D3D10_SB_OPERAND_4_COMPONENT_SELECTION_MODE(
D3D10_SB_OPERAND_4_COMPONENT_MASK_MODE) |
D3D10_SB_OPERAND_4_COMPONENT_MASK_X |
D3D10_SB_OPERAND_4_COMPONENT_MASK_Y |
D3D10_SB_OPERAND_4_COMPONENT_MASK_Z |
ENCODE_D3D10_SB_OPERAND_TYPE(D3D10_SB_OPERAND_TYPE_OUTPUT) |
ENCODE_D3D10_SB_OPERAND_INDEX_DIMENSION(D3D10_SB_OPERAND_INDEX_1D) |
ENCODE_D3D10_SB_OPERAND_INDEX_REPRESENTATION(
0, D3D10_SB_OPERAND_INDEX_IMMEDIATE32));
shader_code_.push_back(kVSOutPointParametersRegister);
shader_code_.push_back(
ENCODE_D3D10_SB_OPERAND_NUM_COMPONENTS(D3D10_SB_OPERAND_4_COMPONENT) |
ENCODE_D3D10_SB_OPERAND_4_COMPONENT_SELECTION_MODE(
D3D10_SB_OPERAND_4_COMPONENT_SWIZZLE_MODE) |
D3D10_SB_OPERAND_4_COMPONENT_NOSWIZZLE |
ENCODE_D3D10_SB_OPERAND_TYPE(D3D10_SB_OPERAND_TYPE_IMMEDIATE32) |
ENCODE_D3D10_SB_OPERAND_INDEX_DIMENSION(D3D10_SB_OPERAND_INDEX_0D));
shader_code_.push_back(0);
shader_code_.push_back(0);
// -1.0f
shader_code_.push_back(0xBF800000u);
shader_code_.push_back(0);
++stat_.instruction_count;
++stat_.mov_instruction_count;
}
void DxbcShaderTranslator::StartPixelShaderCode() {}
void DxbcShaderTranslator::StartTranslation() {
// Write stage-specific prologue.
if (is_vertex_shader()) {
StartVertexShaderCode();
} else if (is_pixel_shader()) {
StartPixelShaderCode();
}
}
void DxbcShaderTranslator::CompleteVertexShaderCode() {} void DxbcShaderTranslator::CompleteVertexShaderCode() {}
void DxbcShaderTranslator::CompletePixelShaderCode() {} void DxbcShaderTranslator::CompletePixelShaderCode() {}

6
src/xenia/gpu/dxbc_shader_translator.h
View File

@ -62,6 +62,8 @@ class DxbcShaderTranslator : public ShaderTranslator {
protected: protected:
void Reset() override; void Reset() override;
void StartTranslation() override;
std::vector<uint8_t> CompleteTranslation() override; std::vector<uint8_t> CompleteTranslation() override;
private: private:
@ -134,6 +136,10 @@ class DxbcShaderTranslator : public ShaderTranslator {
// Frees the last allocated internal r# registers for later reuse. // Frees the last allocated internal r# registers for later reuse.
void PopSystemTemp(uint32_t count = 1); void PopSystemTemp(uint32_t count = 1);
// Writing the prologue.
void StartVertexShaderCode();
void StartPixelShaderCode();
// Writing the epilogue. // Writing the epilogue.
void CompleteVertexShaderCode(); void CompleteVertexShaderCode();
void CompletePixelShaderCode(); void CompletePixelShaderCode();