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[D3D12] DXBC: Partial revert of x# changes because literals can be written to them

This commit is contained in:
Triang3l 2018-09-07 23:02:34 +03:00
parent bc9b95ac57
commit 0165136f69
1 changed files with 13 additions and 49 deletions
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62
src/xenia/gpu/dxbc_shader_translator.cc
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@ -457,22 +457,23 @@ void DxbcShaderTranslator::StartPixelShader() {
// Initialize color indexable temporary registers so they have a defined value
// in case the shader doesn't write to all used outputs on all execution
// paths. This must be done via r#.
uint32_t zero_temp_register = PushSystemTemp(true);
// paths.
for (uint32_t i = 0; i < 4; ++i) {
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(6));
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
shader_code_.push_back(EncodeVectorMaskedOperand(
D3D10_SB_OPERAND_TYPE_INDEXABLE_TEMP, 0b1111, 2));
shader_code_.push_back(GetColorIndexableTemp());
shader_code_.push_back(i);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(zero_temp_register);
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
shader_code_.push_back(0);
shader_code_.push_back(0);
shader_code_.push_back(0);
shader_code_.push_back(0);
++stat_.instruction_count;
++stat_.array_instruction_count;
}
PopSystemTemp();
}
void DxbcShaderTranslator::StartTranslation() {
@ -1424,31 +1425,6 @@ void DxbcShaderTranslator::StoreResult(const InstructionResult& result,
}
}
// If writing to an indexable temp, the constant part must be written via r#.
uint32_t constant_temp = UINT32_MAX;
if (constant_mask != 0) {
if ((result.storage_target == InstructionStorageTarget::kRegister &&
uses_register_dynamic_addressing()) ||
result.storage_target == InstructionStorageTarget::kColorTarget) {
constant_temp = PushSystemTemp();
}
}
if (constant_temp != UINT32_MAX) {
// Load constants to r#.
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(8));
shader_code_.push_back(EncodeVectorMaskedOperand(
D3D10_SB_OPERAND_TYPE_TEMP, constant_mask, 1));
shader_code_.push_back(constant_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
for (uint32_t j = 0; j < 4; ++j) {
shader_code_.push_back((constant_values & (1 << j)) ? 0x3F800000 : 0);
}
++stat_.instruction_count;
++stat_.mov_instruction_count;
}
// Store both parts of the write (i == 0 - swizzled, i == 1 - constant).
for (uint32_t i = 0; i < 2; ++i) {
uint32_t mask = i == 0 ? swizzle_mask : constant_mask;
@ -1457,7 +1433,7 @@ void DxbcShaderTranslator::StoreResult(const InstructionResult& result,
}
// r# for the swizzled part, 4-component imm32 for the constant part.
uint32_t source_length = (i == 1 && constant_temp == UINT32_MAX) ? 5 : 2;
uint32_t source_length = i != 0 ? 5 : 2;
switch (result.storage_target) {
case InstructionStorageTarget::kRegister:
if (uses_register_dynamic_addressing()) {
@ -1555,26 +1531,14 @@ void DxbcShaderTranslator::StoreResult(const InstructionResult& result,
D3D10_SB_OPERAND_TYPE_TEMP, swizzle_components, 1));
shader_code_.push_back(reg);
} else {
if (constant_temp != UINT32_MAX) {
// Load constants from the r#.
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(constant_temp);
} else {
// Load constants from an immediate.
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
for (uint32_t j = 0; j < 4; ++j) {
shader_code_.push_back((constant_values & (1 << j)) ? 0x3F800000 : 0);
}
// Load constants.
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
for (uint32_t j = 0; j < 4; ++j) {
shader_code_.push_back((constant_values & (1 << j)) ? 0x3F800000 : 0);
}
}
}
// Free the r# with constants if used.
if (constant_temp != UINT32_MAX) {
PopSystemTemp();
}
}
void DxbcShaderTranslator::SwapVertexData(uint32_t vfetch_index,