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Implement texture offset support for TexelFetch and TextureGather and add offsets for Tlds

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This commit is contained in:
Kelebek1 2021-02-14 23:21:42 +00:00
parent b0a3915351
commit fb54c38631
3 changed files with 34 additions and 9 deletions
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1
src/video_core/shader/decode/memory.cpp
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@ -330,6 +330,7 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
case StoreType::Bits32:
(this->*set_memory)(bb, GetAddress(0), GetRegister(instr.gpr0));
break;
case StoreType::Unsigned16:
case StoreType::Signed16: {
Node address = GetAddress(0);
Node memory = (this->*get_memory)(address);

11
src/video_core/shader/decode/texture.cpp
View file

@ -806,6 +806,7 @@ Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is
const std::size_t type_coord_count = GetCoordCount(texture_type);
const bool lod_enabled = instr.tlds.GetTextureProcessMode() == TextureProcessMode::LL;
const bool aoffi_enabled = instr.tlds.UsesMiscMode(TextureMiscMode::AOFFI);
// If enabled arrays index is always stored in the gpr8 field
const u64 array_register = instr.gpr8.Value();
@ -820,17 +821,23 @@ Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is
std::vector<Node> coords;
for (std::size_t i = 0; i < type_coord_count; ++i) {
const bool last = (i == (type_coord_count - 1)) && (type_coord_count > 1);
coords.push_back(GetRegister(last ? last_coord_register : coord_register + i));
coords.push_back(
GetRegister(last && !aoffi_enabled ? last_coord_register : coord_register + i));
}
const Node array = is_array ? GetRegister(array_register) : nullptr;
// When lod is used always is in gpr20
const Node lod = lod_enabled ? GetRegister(instr.gpr20) : Immediate(0);
std::vector<Node> aoffi{};
if (aoffi_enabled) {
aoffi = GetAoffiCoordinates(GetRegister(instr.gpr20), type_coord_count, false);
}
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
auto coords_copy = coords;
MetaTexture meta{*sampler, array, {}, {}, {}, {}, {}, lod, {}, element, {}};
MetaTexture meta{*sampler, array, {}, aoffi, {}, {}, {}, lod, {}, element, {}};
values[element] = Operation(OperationCode::TexelFetch, meta, std::move(coords_copy));
}
return values;