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shader/texture: Implement CUBE texture type for TMML and fix arrays

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TMML takes an array argument that has no known meaning, this one appears
as the first component in gpr8 followed by s, t and r. Skip this
component when arrays are being used. Also implement CUBE texture types.

- Used by Pikmin 3: Deluxe Demo.
This commit is contained in:
ReinUsesLisp 2020-10-07 23:17:46 -03:00
parent 3446eb79b5
commit dffaffaac1
1 changed files with 22 additions and 19 deletions
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41
src/video_core/shader/decode/texture.cpp
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@ -292,33 +292,36 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
break;
}
const u64 base_index = is_array ? 1 : 0;
const u64 num_components = [texture_type] {
switch (texture_type) {
case TextureType::Texture1D:
return 1;
case TextureType::Texture2D:
return 2;
case TextureType::TextureCube:
return 3;
default:
UNIMPLEMENTED_MSG("Unhandled texture type {}", static_cast<int>(texture_type));
return 2;
}
}();
// TODO: What's the array component used for?
std::vector<Node> coords;
// TODO: Add coordinates for different samplers once other texture types are implemented.
switch (texture_type) {
case TextureType::Texture1D:
coords.push_back(GetRegister(instr.gpr8));
break;
case TextureType::Texture2D:
coords.push_back(GetRegister(instr.gpr8.Value() + 0));
coords.push_back(GetRegister(instr.gpr8.Value() + 1));
break;
default:
UNIMPLEMENTED_MSG("Unhandled texture type {}", static_cast<int>(texture_type));
// Fallback to interpreting as a 2D texture for now
coords.push_back(GetRegister(instr.gpr8.Value() + 0));
coords.push_back(GetRegister(instr.gpr8.Value() + 1));
coords.reserve(num_components);
for (u64 component = 0; component < num_components; ++component) {
coords.push_back(GetRegister(instr.gpr8.Value() + base_index + component));
}
u32 indexer = 0;
for (u32 element = 0; element < 2; ++element) {
if (!instr.tmml.IsComponentEnabled(element)) {
continue;
}
auto params = coords;
MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, {}, element, index_var};
const Node value = Operation(OperationCode::TextureQueryLod, meta, std::move(params));
SetTemporary(bb, indexer++, value);
Node value = Operation(OperationCode::TextureQueryLod, meta, coords);
SetTemporary(bb, indexer++, std::move(value));
}
for (u32 i = 0; i < indexer; ++i) {
SetRegister(bb, instr.gpr0.Value() + i, GetTemporary(i));