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[D3D12] Write pixel, not sample, position to ps_param_gen

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Triang3l
2018-10-24 17:06:41 +03:00
parent e68a0c37b9
commit cabffea4d7
2 changed files with 33 additions and 6 deletions
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31
src/xenia/gpu/dxbc_shader_translator.cc
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@@ -961,10 +961,9 @@ void DxbcShaderTranslator::StartPixelShader() {
++stat_.dynamic_flow_control_count;
// Write VPOS (without supersampling because SSAA is used to fake MSAA, and
// at integer coordinates rather than half-pixel if needed) to XY.
system_constants_used_ |= (1ull << kSysConst_SSAAInvScale_Index) |
(1ull << kSysConst_PixelHalfPixelOffset_Index);
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MAD) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(13));
system_constants_used_ |= 1ull << kSysConst_SSAAInvScale_Index;
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MUL) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0011, 1));
shader_code_.push_back(param_gen_value_temp);
@@ -978,6 +977,30 @@ void DxbcShaderTranslator::StartPixelShader() {
shader_code_.push_back(cbuffer_index_system_constants_);
shader_code_.push_back(uint32_t(CbufferRegister::kSystemConstants));
shader_code_.push_back(kSysConst_SSAAInvScale_Vec);
++stat_.instruction_count;
++stat_.float_instruction_count;
// Floor VPOS so with AA, the resulting pixel corner/center is written, not
// the sample position (games likely don't expect it to be fractional).
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_ROUND_NI) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(5));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0011, 1));
shader_code_.push_back(param_gen_value_temp);
shader_code_.push_back(
EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(param_gen_value_temp);
++stat_.instruction_count;
++stat_.float_instruction_count;
// If in OpenGL half-pixel offset mode, write the center of the pixel.
system_constants_used_ |= 1ull << kSysConst_PixelHalfPixelOffset_Index;
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_ADD) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0011, 1));
shader_code_.push_back(param_gen_value_temp);
shader_code_.push_back(
EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(param_gen_value_temp);
shader_code_.push_back(
EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER,
kSysConst_PixelHalfPixelOffset_Comp, 3));