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Shader_IR: Fix TLD4 and add Bindless Variant.

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This commit fixes an issue where not all 4 results of tld4 were being
written, the color component was defaulted to red, among other things.
It also implements the bindless variant.
This commit is contained in:
Fernando Sahmkow 2019-10-29 20:48:18 -04:00 • committed by FernandoS27
parent 9f93ad08a5
commit 9293c3a0f2
3 changed files with 55 additions and 11 deletions
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32
src/video_core/shader/decode/texture.cpp
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@ -96,6 +96,10 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
}
break;
}
case OpCode::Id::TLD4_B: {
is_bindless = true;
[[fallthrough]];
}
case OpCode::Id::TLD4: {
ASSERT(instr.tld4.array == 0);
UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::NDV),
@ -108,11 +112,14 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
}
const auto texture_type = instr.tld4.texture_type.Value();
const bool depth_compare = instr.tld4.UsesMiscMode(TextureMiscMode::DC);
const bool depth_compare = is_bindless ? instr.tld4_b.UsesMiscMode(TextureMiscMode::DC)
: instr.tld4.UsesMiscMode(TextureMiscMode::DC);
const bool is_array = instr.tld4.array != 0;
const bool is_aoffi = instr.tld4.UsesMiscMode(TextureMiscMode::AOFFI);
const bool is_aoffi = is_bindless ? instr.tld4_b.UsesMiscMode(TextureMiscMode::AOFFI)
: instr.tld4.UsesMiscMode(TextureMiscMode::AOFFI);
WriteTexInstructionFloat(
bb, instr, GetTld4Code(instr, texture_type, depth_compare, is_array, is_aoffi));
bb, instr,
GetTld4Code(instr, texture_type, depth_compare, is_array, is_aoffi, is_bindless), true);
break;
}
case OpCode::Id::TLD4S: {
@ -359,10 +366,11 @@ const Sampler& ShaderIR::GetBindlessSampler(const Tegra::Shader::Register& reg,
return *used_samplers.emplace(entry).first;
}
void ShaderIR::WriteTexInstructionFloat(NodeBlock& bb, Instruction instr, const Node4& components) {
void ShaderIR::WriteTexInstructionFloat(NodeBlock& bb, Instruction instr, const Node4& components,
bool is_tld4) {
u32 dest_elem = 0;
for (u32 elem = 0; elem < 4; ++elem) {
if (!instr.tex.IsComponentEnabled(elem)) {
if (!is_tld4 && !instr.tex.IsComponentEnabled(elem)) {
// Skip disabled components
continue;
}
@ -583,7 +591,7 @@ Node4 ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type,
}
Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool depth_compare,
bool is_array, bool is_aoffi) {
bool is_array, bool is_aoffi, bool is_bindless) {
const std::size_t coord_count = GetCoordCount(texture_type);
// If enabled arrays index is always stored in the gpr8 field
@ -597,6 +605,12 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
}
u64 parameter_register = instr.gpr20.Value();
const auto& sampler =
is_bindless
? GetBindlessSampler(parameter_register++, {{texture_type, is_array, depth_compare}})
: GetSampler(instr.sampler, {{texture_type, is_array, depth_compare}});
std::vector<Node> aoffi;
if (is_aoffi) {
aoffi = GetAoffiCoordinates(GetRegister(parameter_register++), coord_count, true);
@ -607,12 +621,14 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
dc = GetRegister(parameter_register++);
}
const auto& sampler = GetSampler(instr.sampler, {{texture_type, is_array, depth_compare}});
const Node component = is_bindless ? Immediate(static_cast<u32>(instr.tld4_b.component))
: Immediate(static_cast<u32>(instr.tld4.component));
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
auto coords_copy = coords;
MetaTexture meta{sampler, GetRegister(array_register), dc, aoffi, {}, {}, {}, element};
MetaTexture meta{sampler, GetRegister(array_register), dc, aoffi, {}, {}, component,
element};
values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy));
}