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shader_decode: Implement TLDS (untested)
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ec98e4d842
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55e6786254
@ -204,7 +204,7 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
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break;
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}
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case OpCode::Id::TEXS: {
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Tegra::Shader::TextureType texture_type{instr.texs.GetTextureType()};
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const TextureType texture_type{instr.texs.GetTextureType()};
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const bool is_array{instr.texs.IsArrayTexture()};
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const bool depth_compare = instr.texs.UsesMiscMode(TextureMiscMode::DC);
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const auto process_mode = instr.texs.GetTextureProcessMode();
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@ -373,6 +373,22 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
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GetRegister(RZ), GetRegister(RZ)));
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break;
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}
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case OpCode::Id::TLDS: {
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const Tegra::Shader::TextureType texture_type{instr.tlds.GetTextureType()};
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const bool is_array{instr.tlds.IsArrayTexture()};
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UNIMPLEMENTED_IF_MSG(instr.tlds.UsesMiscMode(TextureMiscMode::AOFFI),
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"AOFFI is not implemented");
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UNIMPLEMENTED_IF_MSG(instr.tlds.UsesMiscMode(TextureMiscMode::MZ), "MZ is not implemented");
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if (instr.tlds.UsesMiscMode(TextureMiscMode::NODEP)) {
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LOG_WARNING(HW_GPU, "TMML.NODEP implementation is incomplete");
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}
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const Node texture = GetTldsCode(instr, texture_type, is_array);
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WriteTexsInstructionFloat(bb, instr, texture);
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break;
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}
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default:
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UNIMPLEMENTED_MSG("Unhandled memory instruction: {}", opcode->get().GetName());
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}
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@ -576,22 +592,59 @@ Node ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool dep
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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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std::optional<u32> array_offset;
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if (is_array) {
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array_offset = params.size();
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array_offset = static_cast<u32>(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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MetaTexture meta{sampler, static_cast<u32>(params.size()), array_offset};
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return Operation(OperationCode::F4TextureGather, std::move(meta), std::move(params));
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}
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Node ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is_array) {
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const std::size_t type_coord_count = GetCoordCount(texture_type);
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const std::size_t total_coord_count = type_coord_count + (is_array ? 1 : 0);
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const bool lod_enabled = instr.tlds.GetTextureProcessMode() == TextureProcessMode::LL;
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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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// if is array gpr20 is used
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const u64 coord_register = is_array ? instr.gpr20.Value() : instr.gpr8.Value();
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const u64 last_coord_register =
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((type_coord_count > 2) || (type_coord_count == 2 && !lod_enabled)) && !is_array
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? static_cast<u64>(instr.gpr20.Value())
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: coord_register + 1;
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std::vector<Node> params;
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for (std::size_t i = 0; i < type_coord_count; ++i) {
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const bool last = (i == (type_coord_count - 1)) && (type_coord_count > 1);
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params.push_back(GetRegister(last ? last_coord_register : coord_register + i));
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}
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std::optional<u32> array_offset;
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if (is_array) {
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array_offset = static_cast<u32>(params.size());
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params.push_back(GetRegister(array_register));
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}
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const auto coords_count = static_cast<u32>(params.size());
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if (lod_enabled) {
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// When lod is used always is in grp20
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params.push_back(GetRegister(instr.gpr20));
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} else {
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params.push_back(Immediate(0));
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}
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const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, false);
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MetaTexture meta{sampler, coords_count, array_offset};
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return Operation(OperationCode::F4TexelFetch, 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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@ -635,8 +635,6 @@ private:
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result_type));
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}
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#pragma optimize("", off)
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std::string GenerateTexture(Operation operation, const std::string& func,
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std::string extra_cast(std::string) = nullptr) {
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constexpr std::array<const char*, 4> coord_constructors = {"float", "vec2", "vec3", "vec4"};
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@ -1100,6 +1098,32 @@ private:
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return "vec4(itof(int(" + tmp + ".y)), utof(uint(" + tmp + ".x)), 0, 0)";
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}
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std::string F4TexelFetch(Operation operation) {
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constexpr std::array<const char*, 4> constructors = {"int", "ivec2", "ivec3", "ivec4"};
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const auto& meta = std::get<MetaTexture>(operation.GetMeta());
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const auto count = static_cast<u32>(operation.GetOperandsCount());
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std::string expr = "texelFetch(";
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expr += GetSampler(meta.sampler);
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expr += ", ";
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expr += constructors[meta.coords_count - 1];
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expr += '(';
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for (u32 i = 0; i < count; ++i) {
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expr += VisitOperand(operation, i, Type::Int);
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expr += ", ";
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if (i + 1 == meta.coords_count) {
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expr += ')';
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}
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if (i + 1 < count) {
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expr += ", ";
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}
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}
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expr += ')';
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return expr;
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}
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std::string Ipa(Operation operation) {
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const auto& attribute = operation[0];
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// TODO(Rodrigo): Special IPA attribute interactions
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@ -1314,6 +1338,7 @@ private:
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&F4TextureGather,
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&F4TextureQueryDimensions,
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&F4TextureQueryLod,
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&F4TexelFetch,
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&Ipa,
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@ -154,6 +154,7 @@ enum class OperationCode {
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F4TextureGather, /// (MetaTexture, float[N] coords, float[M] params) -> float4
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F4TextureQueryDimensions, /// (MetaTexture, float a) -> float4
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F4TextureQueryLod, /// (MetaTexture, float[N] coords) -> float4
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F4TexelFetch, /// (MetaTexture, int[N], int) -> float4
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Ipa, /// (abuf src) -> float
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@ -694,6 +695,9 @@ private:
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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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Node GetTldsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
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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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