[D3D12] DXBC: Add base vertex index

This commit is contained in:
Triang3l 2018-09-06 22:22:19 +03:00
parent 0d3ef9e05d
commit 2b2d7e71c6
2 changed files with 56 additions and 42 deletions

View File

@ -99,7 +99,7 @@ void DxbcShaderTranslator::PopSystemTemp(uint32_t count) {
system_temp_count_current_ -= std::min(count, system_temp_count_current_);
}
void DxbcShaderTranslator::StartVertexShader_SwapVertexIndex() {
void DxbcShaderTranslator::StartVertexShader_LoadVertexIndex() {
// Vertex index is in an input bound to SV_VertexID, byte swapped according to
// xe_vertex_index_endian system constant and written to GPR 0 (which is
// always present because register_count includes +1).
@ -208,13 +208,9 @@ void DxbcShaderTranslator::StartVertexShader_SwapVertexIndex() {
shader_code_.push_back(0);
rdef_constants_used_ |= 1ull
<< uint32_t(RdefConstantIndex::kSysVertexIndexEndian);
shader_code_.push_back(
EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER,
kSysConst_VertexIndexEndian_Comp |
(kSysConst_VertexIndexEndian_Comp << 2) |
(kSysConst_VertexIndexEndian_Comp << 4) |
(kSysConst_VertexIndexEndian_Comp << 6),
3));
shader_code_.push_back(EncodeVectorReplicatedOperand(
D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER, kSysConst_VertexIndexEndian_Comp,
3));
shader_code_.push_back(uint32_t(RdefConstantBufferIndex::kSystemConstants));
shader_code_.push_back(uint32_t(CbufferRegister::kSystemConstants));
shader_code_.push_back(kSysConst_VertexIndexEndian_Vec);
@ -300,26 +296,46 @@ void DxbcShaderTranslator::StartVertexShader_SwapVertexIndex() {
++stat_.instruction_count;
++stat_.uint_instruction_count;
// Apply the 16-in-32 swap if needed and replicate the swapped value in the
// Apply the 16-in-32 swap if needed.
// movc reg.x, reg.w, reg.y, reg.x
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(reg);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 3, 1));
shader_code_.push_back(reg);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 1, 1));
shader_code_.push_back(reg);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
shader_code_.push_back(reg);
++stat_.instruction_count;
++stat_.movc_instruction_count;
// Add the base vertex index and replicate the swapped value in the
// destination register (what should be in YZW is unknown, but just to make it
// a bit cleaner).
// movc reg, reg.wwww, reg.yyyy, reg.xxxx
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_IADD) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1111, 1));
shader_code_.push_back(reg);
shader_code_.push_back(
EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleWWWW, 1));
shader_code_.push_back(reg);
shader_code_.push_back(
EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleYYYY, 1));
shader_code_.push_back(reg);
shader_code_.push_back(
EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXXXX, 1));
shader_code_.push_back(reg);
rdef_constants_used_ |= 1ull
<< uint32_t(RdefConstantIndex::kSysVertexBaseIndex);
shader_code_.push_back(EncodeVectorReplicatedOperand(
D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER, kSysConst_VertexBaseIndex_Comp,
3));
shader_code_.push_back(uint32_t(RdefConstantBufferIndex::kSystemConstants));
shader_code_.push_back(uint32_t(CbufferRegister::kSystemConstants));
shader_code_.push_back(kSysConst_VertexBaseIndex_Vec);
++stat_.instruction_count;
++stat_.movc_instruction_count;
++stat_.int_instruction_count;
if (uses_register_dynamic_addressing()) {
// Store to indexed GPR 0 in x0[0].
@ -376,7 +392,7 @@ void DxbcShaderTranslator::StartVertexShader() {
++stat_.mov_instruction_count;
// Byte swap and write the vertex index to GPR 0.
StartVertexShader_SwapVertexIndex();
StartVertexShader_LoadVertexIndex();
}
void DxbcShaderTranslator::StartPixelShader() {
@ -498,9 +514,8 @@ void DxbcShaderTranslator::CompletePixelShader() {
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(temp_register);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER,
i | (i << 2) | (i << 4) | (i << 6), 3));
shader_code_.push_back(EncodeVectorReplicatedOperand(
D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER, i, 3));
shader_code_.push_back(uint32_t(RdefConstantBufferIndex::kSystemConstants));
shader_code_.push_back(uint32_t(CbufferRegister::kSystemConstants));
shader_code_.push_back(kSysConst_ColorExpBias_Vec);
@ -852,12 +867,8 @@ void DxbcShaderTranslator::LoadDxbcSourceOperand(
shader_code_.push_back(0);
shader_code_.push_back(0);
shader_code_.push_back(0);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP,
constant_address_component | (constant_address_component << 2) |
(constant_address_component << 4) |
(constant_address_component << 6),
1));
shader_code_.push_back(EncodeVectorReplicatedOperand(
D3D10_SB_OPERAND_TYPE_TEMP, constant_address_component, 1));
shader_code_.push_back(constant_address_register);
++stat_.instruction_count;
++stat_.uint_instruction_count;
@ -985,12 +996,8 @@ void DxbcShaderTranslator::LoadDxbcSourceOperand(
shader_code_.push_back(5);
shader_code_.push_back(0);
shader_code_.push_back(0);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP,
constant_address_component | (constant_address_component << 2) |
(constant_address_component << 4) |
(constant_address_component << 6),
1));
shader_code_.push_back(EncodeVectorReplicatedOperand(
D3D10_SB_OPERAND_TYPE_TEMP, constant_address_component, 1));
shader_code_.push_back(constant_address_register);
++stat_.instruction_count;
++stat_.uint_instruction_count;
@ -1620,12 +1627,8 @@ void DxbcShaderTranslator::SwapVertexData(uint32_t vfetch_index,
shader_code_.push_back(0);
shader_code_.push_back(0);
rdef_constants_used_ |= 1ull << uint32_t(RdefConstantIndex::kFetchConstants);
uint32_t vfetch_component = (vfetch_index & 1) * 2 + 1;
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER,
vfetch_component | (vfetch_component << 2) |
(vfetch_component << 4) | (vfetch_component << 6),
3));
shader_code_.push_back(EncodeVectorReplicatedOperand(
D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER, (vfetch_index & 1) * 2 + 1, 3));
shader_code_.push_back(uint32_t(RdefConstantBufferIndex::kFetchConstants));
shader_code_.push_back(uint32_t(CbufferRegister::kFetchConstants));
shader_code_.push_back(vfetch_index >> 1);

View File

@ -173,7 +173,18 @@ class DxbcShaderTranslator : public ShaderTranslator {
(index_dimension << 20) | (index_representation_0 << 22) |
(index_representation_1 << 25) | (index_representation_2 << 28);
}
// For reading from vectors.
// For reading a single component of a vector as a 4-component vector.
static constexpr uint32_t EncodeVectorReplicatedOperand(
uint32_t type, uint32_t component, uint32_t index_dimension,
uint32_t index_representation_0 = 0, uint32_t index_representation_1 = 0,
uint32_t index_representation_2 = 0) {
// D3D10_SB_OPERAND_4_COMPONENT, D3D10_SB_OPERAND_4_COMPONENT_SWIZZLE_MODE.
return 2 | (1 << 2) | (component << 4) | (component << 6) |
(component << 8) | (component << 10) | (type << 12) |
(index_dimension << 20) | (index_representation_0 << 22) |
(index_representation_1 << 25) | (index_representation_2 << 28);
}
// For reading scalars from vectors.
static constexpr uint32_t EncodeVectorSelectOperand(
uint32_t type, uint32_t component, uint32_t index_dimension,
uint32_t index_representation_0 = 0, uint32_t index_representation_1 = 0,
@ -196,7 +207,7 @@ class DxbcShaderTranslator : public ShaderTranslator {
}
// Writing the prologue.
void StartVertexShader_SwapVertexIndex();
void StartVertexShader_LoadVertexIndex();
void StartVertexShader();
void StartPixelShader();