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shader_decode: Update TLD4 reflecting #1862 changes
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03e088a4f4
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@ -225,7 +225,6 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
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break;
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}
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case OpCode::Id::TLD4: {
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ASSERT(instr.tld4.texture_type == Tegra::Shader::TextureType::Texture2D);
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ASSERT(instr.tld4.array == 0);
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UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::AOFFI),
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"AOFFI is not implemented");
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@ -238,63 +237,29 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
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LOG_WARNING(HW_GPU, "TLD4.NODEP implementation is incomplete");
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}
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const auto texture_type = instr.tld4.texture_type.Value();
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const bool depth_compare = instr.tld4.UsesMiscMode(TextureMiscMode::DC);
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auto texture_type = instr.tld4.texture_type.Value();
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u32 num_coordinates = static_cast<u32>(GetCoordCount(texture_type));
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if (depth_compare)
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num_coordinates += 1;
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const bool is_array = instr.tld4.array != 0;
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const Node texture = GetTld4Code(instr, texture_type, depth_compare, is_array);
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std::vector<Node> params;
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MetaComponents meta_components;
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std::array<Node, 4> dest;
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switch (num_coordinates) {
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case 2: {
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params.push_back(GetRegister(instr.gpr8));
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params.push_back(GetRegister(instr.gpr8.Value() + 1));
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break;
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}
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case 3: {
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params.push_back(GetRegister(instr.gpr8));
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params.push_back(GetRegister(instr.gpr8.Value() + 1));
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params.push_back(GetRegister(instr.gpr8.Value() + 2));
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break;
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}
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default:
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UNIMPLEMENTED_MSG("Unhandled coordinates number {}", static_cast<u32>(num_coordinates));
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params.push_back(GetRegister(instr.gpr8));
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params.push_back(GetRegister(instr.gpr8.Value() + 1));
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num_coordinates = 2;
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texture_type = Tegra::Shader::TextureType::Texture2D;
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}
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params.push_back(Immediate(static_cast<u32>(instr.tld4.component)));
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const auto& sampler = GetSampler(instr.sampler, texture_type, false, depth_compare);
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MetaTexture meta{sampler, num_coordinates};
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const Node texture =
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Operation(OperationCode::F4TextureGather, std::move(meta), std::move(params));
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if (depth_compare) {
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SetRegister(bb, instr.gpr0, texture);
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} else {
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MetaComponents meta;
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std::array<Node, 4> dest;
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std::size_t dest_elem = 0;
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for (std::size_t elem = 0; elem < 4; ++elem) {
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if (!instr.tex.IsComponentEnabled(elem)) {
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// Skip disabled components
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continue;
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}
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meta.components_map[dest_elem] = static_cast<u32>(elem);
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dest[dest_elem] = GetRegister(instr.gpr0.Value() + dest_elem);
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++dest_elem;
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std::size_t dest_elem = 0;
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for (std::size_t elem = 0; elem < 4; ++elem) {
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if (!instr.tex.IsComponentEnabled(elem)) {
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// Skip disabled components
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continue;
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}
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std::generate(dest.begin() + dest_elem, dest.end(), [&]() { return GetRegister(RZ); });
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meta_components.components_map[dest_elem] = static_cast<u32>(elem);
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dest[dest_elem] = GetRegister(instr.gpr0.Value() + dest_elem);
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bb.push_back(Operation(OperationCode::AssignComposite, std::move(meta), texture,
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dest[0], dest[1], dest[2], dest[3]));
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++dest_elem;
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}
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std::generate(dest.begin() + dest_elem, dest.end(), [&]() { return GetRegister(RZ); });
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bb.push_back(Operation(OperationCode::AssignComposite, std::move(meta_components), texture,
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dest[0], dest[1], dest[2], dest[3]));
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break;
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}
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case OpCode::Id::TLD4S: {
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@ -595,6 +560,38 @@ Node ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type,
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(coord_count > 2 ? 1 : 0), std::move(coords));
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}
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Node ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool depth_compare,
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bool is_array) {
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const std::size_t coord_count = GetCoordCount(texture_type);
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const std::size_t total_coord_count = coord_count + (is_array ? 1 : 0);
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const std::size_t total_reg_count = total_coord_count + (depth_compare ? 1 : 0);
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// If enabled arrays index is always stored in the gpr8 field
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const u64 array_register = instr.gpr8.Value();
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// First coordinate index is the gpr8 or gpr8 + 1 when arrays are used
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const u64 coord_register = array_register + (is_array ? 1 : 0);
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std::vector<Node> params;
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for (size_t i = 0; i < coord_count; ++i) {
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params.push_back(GetRegister(coord_register + i));
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}
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std::size_t array_offset{};
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if (is_array) {
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array_offset = params.size();
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params.push_back(GetRegister(array_register));
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}
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const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, depth_compare);
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std::optional<u32> array_offset_value;
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if (is_array)
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array_offset_value = static_cast<u32>(array_offset);
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MetaTexture meta{sampler, static_cast<u32>(params.size()), array_offset_value};
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return Operation(OperationCode::F4TextureGather, std::move(meta), std::move(params));
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}
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std::tuple<std::size_t, std::size_t> ShaderIR::ValidateAndGetCoordinateElement(
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TextureType texture_type, bool depth_compare, bool is_array, bool lod_bias_enabled,
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std::size_t max_coords, std::size_t max_inputs) {
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@ -691,6 +691,9 @@ private:
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Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
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bool is_array);
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Node GetTld4Code(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
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bool depth_compare, bool is_array);
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std::tuple<std::size_t, std::size_t> ValidateAndGetCoordinateElement(
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Tegra::Shader::TextureType texture_type, bool depth_compare, bool is_array,
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bool lod_bias_enabled, std::size_t max_coords, std::size_t max_inputs);
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