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[D3D12] DXBC RDEF, operand swizzle and cubemap orientation fix

This commit is contained in:
Triang3l 2018-09-12 19:54:24 +03:00
parent 4651a0b5ed
commit 9f7496ac23
2 changed files with 15 additions and 17 deletions
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30
src/xenia/gpu/dxbc_shader_translator.cc
View File

@ -1309,13 +1309,12 @@ void DxbcShaderTranslator::UseDxbcSourceOperand(
if (select_component <= 3) {
component_bits |= ENCODE_D3D10_SB_OPERAND_4_COMPONENT_SELECTION_MODE(
D3D10_SB_OPERAND_4_COMPONENT_SELECT_1_MODE) |
(((operand.swizzle >> (select_component * 2)) & 0x3)
(((swizzle >> (select_component * 2)) & 0x3)
<< D3D10_SB_OPERAND_4_COMPONENT_SELECT_1_SHIFT);
} else {
component_bits |=
ENCODE_D3D10_SB_OPERAND_4_COMPONENT_SELECTION_MODE(
D3D10_SB_OPERAND_4_COMPONENT_SWIZZLE_MODE) |
(operand.swizzle << D3D10_SB_OPERAND_4_COMPONENT_SWIZZLE_SHIFT);
component_bits |= ENCODE_D3D10_SB_OPERAND_4_COMPONENT_SELECTION_MODE(
D3D10_SB_OPERAND_4_COMPONENT_SWIZZLE_MODE) |
(swizzle << D3D10_SB_OPERAND_4_COMPONENT_SWIZZLE_SHIFT);
}
// Apply both the operand negation and the usage negation (for subtraction)
@ -2950,7 +2949,7 @@ uint32_t DxbcShaderTranslator::FindOrAddSamplerBinding(
return sampler_register;
}
void DxbcShaderTranslator::ArrayToCubeDirection(uint32_t reg) {
void DxbcShaderTranslator::ArrayCoordToCubeDirection(uint32_t reg) {
// This does the reverse of what the cube vector ALU instruction does, but
// assuming S and T are normalized.
//
@ -3794,7 +3793,7 @@ void DxbcShaderTranslator::ProcessTextureFetchInstruction(
// at the edges, especially in pixel shader helper invocations, the
// major axis changes, causing S/T to jump between 0 and 1, breaking
// gradient calculation and causing the 1x1 mipmap to be sampled.
ArrayToCubeDirection(system_temp_pv_);
ArrayCoordToCubeDirection(system_temp_pv_);
}
// tfetch1D/2D/Cube just fetch directly. tfetch3D needs to fetch either
@ -4545,14 +4544,14 @@ void DxbcShaderTranslator::ProcessVectorAluInstruction(
++stat_.uint_instruction_count;
// Flip T or S.
// movc pv.xy__, mask.xy__, -pv.xy__, pv.xy__
// movc pv.xy__, mask.yx__, -pv.xy__, pv.xy__
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0011, 1));
shader_code_.push_back(system_temp_pv_);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
D3D10_SB_OPERAND_TYPE_TEMP, 0b11100001, 1));
shader_code_.push_back(cube_mask_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1) |
@ -5941,11 +5940,6 @@ void DxbcShaderTranslator::WriteResourceDefinitions() {
uint32_t chunk_position_dwords = uint32_t(shader_object_.size());
uint32_t new_offset;
// + 1 for shared memory (vfetches can probably appear in pixel shaders too,
// they are handled safely there anyway).
// TODO(Triang3l): Textures, samplers.
uint32_t binding_count = uint32_t(RdefConstantBufferIndex::kCount) + 1;
// ***************************************************************************
// Header
// ***************************************************************************
@ -5954,8 +5948,12 @@ void DxbcShaderTranslator::WriteResourceDefinitions() {
shader_object_.push_back(uint32_t(RdefConstantBufferIndex::kCount));
// Constant buffer offset (set later).
shader_object_.push_back(0);
// Bound resource count (CBV, SRV, UAV, samplers).
shader_object_.push_back(binding_count);
// Bound resource count (samplers, SRV, UAV, CBV).
// + 1 for shared memory (vfetches can probably appear in pixel shaders too,
// they are handled safely there anyway).
shader_object_.push_back(uint32_t(sampler_bindings_.size()) + 1 +
uint32_t(texture_srvs_.size()) +
uint32_t(RdefConstantBufferIndex::kCount));
// Bound resource buffer offset (set later).
shader_object_.push_back(0);
if (is_vertex_shader()) {

2
src/xenia/gpu/dxbc_shader_translator.h
View File

@ -365,7 +365,7 @@ class DxbcShaderTranslator : public ShaderTranslator {
AnisoFilter aniso_filter);
// Converts (S, T, face index) in the specified temporary register to a 3D
// cubemap coordinate.
void ArrayToCubeDirection(uint32_t reg);
void ArrayCoordToCubeDirection(uint32_t reg);
void ProcessVectorAluInstruction(const ParsedAluInstruction& instr);
void ProcessScalarAluInstruction(const ParsedAluInstruction& instr);