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Shader_IR: Correct TLD4S Depth Compare.

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This commit is contained in:
Fernando Sahmkow 2019-12-11 19:43:43 -04:00 • committed by FernandoS27
parent af89723fa3
commit c0ee0aa1a8
2 changed files with 16 additions and 9 deletions
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17
src/video_core/shader/decode/texture.cpp
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@ -107,8 +107,8 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
break;
}
case OpCode::Id::TLD4S: {
UNIMPLEMENTED_IF_MSG(instr.tld4s.UsesMiscMode(TextureMiscMode::AOFFI),
"AOFFI is not implemented");
const bool uses_aoffi = instr.tld4s.UsesMiscMode(TextureMiscMode::AOFFI);
UNIMPLEMENTED_IF_MSG(uses_aoffi, "AOFFI is not implemented");
const bool depth_compare = instr.tld4s.UsesMiscMode(TextureMiscMode::DC);
const Node op_a = GetRegister(instr.gpr8);
@ -116,15 +116,22 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
// TODO(Subv): Figure out how the sampler type is encoded in the TLD4S instruction.
std::vector<Node> coords;
Node dc_reg;
if (depth_compare) {
// Note: TLD4S coordinate encoding works just like TEXS's
const Node op_y = GetRegister(instr.gpr8.Value() + 1);
coords.push_back(op_a);
coords.push_back(op_y);
coords.push_back(op_b);
dc_reg = uses_aoffi ? GetRegister(instr.gpr20.Value() + 1) : op_b;
} else {
coords.push_back(op_a);
coords.push_back(op_b);
if (uses_aoffi) {
const Node op_y = GetRegister(instr.gpr8.Value() + 1);
coords.push_back(op_y);
} else {
coords.push_back(op_b);
}
dc_reg = {};
}
const Node component = Immediate(static_cast<u32>(instr.tld4s.component));
@ -134,7 +141,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
auto coords_copy = coords;
MetaTexture meta{sampler, {}, {}, {}, {}, {}, {}, component, element};
MetaTexture meta{sampler, {}, dc_reg, {}, {}, {}, {}, component, element};
values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
}