diff options
Diffstat (limited to 'src/video_core/shader/decode/memory.cpp')
-rw-r--r-- | src/video_core/shader/decode/memory.cpp | 493 |
1 files changed, 0 insertions, 493 deletions
diff --git a/src/video_core/shader/decode/memory.cpp b/src/video_core/shader/decode/memory.cpp index 38f01ca50..ea3c71eed 100644 --- a/src/video_core/shader/decode/memory.cpp +++ b/src/video_core/shader/decode/memory.cpp @@ -17,24 +17,6 @@ using Tegra::Shader::Attribute; using Tegra::Shader::Instruction; using Tegra::Shader::OpCode; using Tegra::Shader::Register; -using Tegra::Shader::TextureMiscMode; -using Tegra::Shader::TextureProcessMode; -using Tegra::Shader::TextureType; - -static std::size_t GetCoordCount(TextureType texture_type) { - switch (texture_type) { - case TextureType::Texture1D: - return 1; - case TextureType::Texture2D: - return 2; - case TextureType::Texture3D: - case TextureType::TextureCube: - return 3; - default: - UNIMPLEMENTED_MSG("Unhandled texture type: {}", static_cast<u32>(texture_type)); - return 0; - } -} u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) { const Instruction instr = {program_code[pc]}; @@ -247,194 +229,6 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) { } break; } - case OpCode::Id::TEX: { - UNIMPLEMENTED_IF_MSG(instr.tex.UsesMiscMode(TextureMiscMode::AOFFI), - "AOFFI is not implemented"); - - if (instr.tex.UsesMiscMode(TextureMiscMode::NODEP)) { - LOG_WARNING(HW_GPU, "TEX.NODEP implementation is incomplete"); - } - - const TextureType texture_type{instr.tex.texture_type}; - const bool is_array = instr.tex.array != 0; - const bool depth_compare = instr.tex.UsesMiscMode(TextureMiscMode::DC); - const auto process_mode = instr.tex.GetTextureProcessMode(); - WriteTexInstructionFloat( - bb, instr, GetTexCode(instr, texture_type, process_mode, depth_compare, is_array)); - break; - } - case OpCode::Id::TEXS: { - const TextureType texture_type{instr.texs.GetTextureType()}; - const bool is_array{instr.texs.IsArrayTexture()}; - const bool depth_compare = instr.texs.UsesMiscMode(TextureMiscMode::DC); - const auto process_mode = instr.texs.GetTextureProcessMode(); - - if (instr.texs.UsesMiscMode(TextureMiscMode::NODEP)) { - LOG_WARNING(HW_GPU, "TEXS.NODEP implementation is incomplete"); - } - - const Node4 components = - GetTexsCode(instr, texture_type, process_mode, depth_compare, is_array); - - if (instr.texs.fp32_flag) { - WriteTexsInstructionFloat(bb, instr, components); - } else { - WriteTexsInstructionHalfFloat(bb, instr, components); - } - break; - } - case OpCode::Id::TLD4: { - ASSERT(instr.tld4.array == 0); - UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::AOFFI), - "AOFFI is not implemented"); - UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::NDV), - "NDV is not implemented"); - UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::PTP), - "PTP is not implemented"); - - if (instr.tld4.UsesMiscMode(TextureMiscMode::NODEP)) { - LOG_WARNING(HW_GPU, "TLD4.NODEP implementation is incomplete"); - } - - const auto texture_type = instr.tld4.texture_type.Value(); - const bool depth_compare = instr.tld4.UsesMiscMode(TextureMiscMode::DC); - const bool is_array = instr.tld4.array != 0; - WriteTexInstructionFloat(bb, instr, - GetTld4Code(instr, texture_type, depth_compare, is_array)); - break; - } - case OpCode::Id::TLD4S: { - UNIMPLEMENTED_IF_MSG(instr.tld4s.UsesMiscMode(TextureMiscMode::AOFFI), - "AOFFI is not implemented"); - if (instr.tld4s.UsesMiscMode(TextureMiscMode::NODEP)) { - LOG_WARNING(HW_GPU, "TLD4S.NODEP implementation is incomplete"); - } - - const bool depth_compare = instr.tld4s.UsesMiscMode(TextureMiscMode::DC); - const Node op_a = GetRegister(instr.gpr8); - const Node op_b = GetRegister(instr.gpr20); - - // TODO(Subv): Figure out how the sampler type is encoded in the TLD4S instruction. - std::vector<Node> coords; - if (depth_compare) { - // Note: TLD4S coordinate encoding works just like TEXS's - const Node op_y = GetRegister(instr.gpr8.Value() + 1); - coords.push_back(op_a); - coords.push_back(op_y); - coords.push_back(op_b); - } else { - coords.push_back(op_a); - coords.push_back(op_b); - } - std::vector<Node> extras; - extras.push_back(Immediate(static_cast<u32>(instr.tld4s.component))); - - const auto& sampler = - GetSampler(instr.sampler, TextureType::Texture2D, false, depth_compare); - - Node4 values; - for (u32 element = 0; element < values.size(); ++element) { - auto coords_copy = coords; - MetaTexture meta{sampler, {}, {}, extras, element}; - values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy)); - } - - WriteTexsInstructionFloat(bb, instr, values); - break; - } - case OpCode::Id::TXQ: { - if (instr.txq.UsesMiscMode(TextureMiscMode::NODEP)) { - LOG_WARNING(HW_GPU, "TXQ.NODEP implementation is incomplete"); - } - - // TODO: The new commits on the texture refactor, change the way samplers work. - // Sadly, not all texture instructions specify the type of texture their sampler - // uses. This must be fixed at a later instance. - const auto& sampler = - GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false, false); - - u32 indexer = 0; - switch (instr.txq.query_type) { - case Tegra::Shader::TextureQueryType::Dimension: { - for (u32 element = 0; element < 4; ++element) { - if (!instr.txq.IsComponentEnabled(element)) { - continue; - } - MetaTexture meta{sampler, {}, {}, {}, element}; - const Node value = - Operation(OperationCode::TextureQueryDimensions, meta, GetRegister(instr.gpr8)); - SetTemporal(bb, indexer++, value); - } - for (u32 i = 0; i < indexer; ++i) { - SetRegister(bb, instr.gpr0.Value() + i, GetTemporal(i)); - } - break; - } - default: - UNIMPLEMENTED_MSG("Unhandled texture query type: {}", - static_cast<u32>(instr.txq.query_type.Value())); - } - break; - } - case OpCode::Id::TMML: { - UNIMPLEMENTED_IF_MSG(instr.tmml.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV), - "NDV is not implemented"); - - if (instr.tmml.UsesMiscMode(TextureMiscMode::NODEP)) { - LOG_WARNING(HW_GPU, "TMML.NODEP implementation is incomplete"); - } - - auto texture_type = instr.tmml.texture_type.Value(); - const bool is_array = instr.tmml.array != 0; - const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, false); - - 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<u32>(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)); - texture_type = TextureType::Texture2D; - } - - for (u32 element = 0; element < 2; ++element) { - auto params = coords; - MetaTexture meta{sampler, {}, {}, {}, element}; - const Node value = Operation(OperationCode::TextureQueryLod, meta, std::move(params)); - SetTemporal(bb, element, value); - } - for (u32 element = 0; element < 2; ++element) { - SetRegister(bb, instr.gpr0.Value() + element, GetTemporal(element)); - } - - break; - } - case OpCode::Id::TLDS: { - const Tegra::Shader::TextureType texture_type{instr.tlds.GetTextureType()}; - const bool is_array{instr.tlds.IsArrayTexture()}; - - UNIMPLEMENTED_IF_MSG(instr.tlds.UsesMiscMode(TextureMiscMode::AOFFI), - "AOFFI is not implemented"); - UNIMPLEMENTED_IF_MSG(instr.tlds.UsesMiscMode(TextureMiscMode::MZ), "MZ is not implemented"); - - if (instr.tlds.UsesMiscMode(TextureMiscMode::NODEP)) { - LOG_WARNING(HW_GPU, "TLDS.NODEP implementation is incomplete"); - } - - WriteTexsInstructionFloat(bb, instr, GetTldsCode(instr, texture_type, is_array)); - break; - } default: UNIMPLEMENTED_MSG("Unhandled memory instruction: {}", opcode->get().GetName()); } @@ -442,291 +236,4 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) { return pc; } -const Sampler& ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler, TextureType type, - bool is_array, bool is_shadow) { - const auto offset = static_cast<std::size_t>(sampler.index.Value()); - - // If this sampler has already been used, return the existing mapping. - const auto itr = - std::find_if(used_samplers.begin(), used_samplers.end(), - [&](const Sampler& entry) { return entry.GetOffset() == offset; }); - if (itr != used_samplers.end()) { - ASSERT(itr->GetType() == type && itr->IsArray() == is_array && - itr->IsShadow() == is_shadow); - return *itr; - } - - // Otherwise create a new mapping for this sampler - const std::size_t next_index = used_samplers.size(); - const Sampler entry{offset, next_index, type, is_array, is_shadow}; - return *used_samplers.emplace(entry).first; -} - -void ShaderIR::WriteTexInstructionFloat(NodeBlock& bb, Instruction instr, const Node4& components) { - u32 dest_elem = 0; - for (u32 elem = 0; elem < 4; ++elem) { - if (!instr.tex.IsComponentEnabled(elem)) { - // Skip disabled components - continue; - } - SetTemporal(bb, dest_elem++, components[elem]); - } - // After writing values in temporals, move them to the real registers - for (u32 i = 0; i < dest_elem; ++i) { - SetRegister(bb, instr.gpr0.Value() + i, GetTemporal(i)); - } -} - -void ShaderIR::WriteTexsInstructionFloat(NodeBlock& bb, Instruction instr, - const Node4& components) { - // TEXS has two destination registers and a swizzle. The first two elements in the swizzle - // go into gpr0+0 and gpr0+1, and the rest goes into gpr28+0 and gpr28+1 - - u32 dest_elem = 0; - for (u32 component = 0; component < 4; ++component) { - if (!instr.texs.IsComponentEnabled(component)) - continue; - SetTemporal(bb, dest_elem++, components[component]); - } - - for (u32 i = 0; i < dest_elem; ++i) { - if (i < 2) { - // Write the first two swizzle components to gpr0 and gpr0+1 - SetRegister(bb, instr.gpr0.Value() + i % 2, GetTemporal(i)); - } else { - ASSERT(instr.texs.HasTwoDestinations()); - // Write the rest of the swizzle components to gpr28 and gpr28+1 - SetRegister(bb, instr.gpr28.Value() + i % 2, GetTemporal(i)); - } - } -} - -void ShaderIR::WriteTexsInstructionHalfFloat(NodeBlock& bb, Instruction instr, - const Node4& components) { - // TEXS.F16 destionation registers are packed in two registers in pairs (just like any half - // float instruction). - - Node4 values; - u32 dest_elem = 0; - for (u32 component = 0; component < 4; ++component) { - if (!instr.texs.IsComponentEnabled(component)) - continue; - values[dest_elem++] = components[component]; - } - if (dest_elem == 0) - return; - - std::generate(values.begin() + dest_elem, values.end(), [&]() { return Immediate(0); }); - - const Node first_value = Operation(OperationCode::HPack2, values[0], values[1]); - if (dest_elem <= 2) { - SetRegister(bb, instr.gpr0, first_value); - return; - } - - SetTemporal(bb, 0, first_value); - SetTemporal(bb, 1, Operation(OperationCode::HPack2, values[2], values[3])); - - SetRegister(bb, instr.gpr0, GetTemporal(0)); - SetRegister(bb, instr.gpr28, GetTemporal(1)); -} - -Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type, - TextureProcessMode process_mode, std::vector<Node> coords, - Node array, Node depth_compare, u32 bias_offset) { - const bool is_array = array; - const bool is_shadow = depth_compare; - - UNIMPLEMENTED_IF_MSG((texture_type == TextureType::Texture3D && (is_array || is_shadow)) || - (texture_type == TextureType::TextureCube && is_array && is_shadow), - "This method is not supported."); - - const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, is_shadow); - - const bool lod_needed = process_mode == TextureProcessMode::LZ || - process_mode == TextureProcessMode::LL || - process_mode == TextureProcessMode::LLA; - - // LOD selection (either via bias or explicit textureLod) not supported in GL for - // sampler2DArrayShadow and samplerCubeArrayShadow. - const bool gl_lod_supported = - !((texture_type == Tegra::Shader::TextureType::Texture2D && is_array && is_shadow) || - (texture_type == Tegra::Shader::TextureType::TextureCube && is_array && is_shadow)); - - const OperationCode read_method = - lod_needed && gl_lod_supported ? OperationCode::TextureLod : OperationCode::Texture; - - UNIMPLEMENTED_IF(process_mode != TextureProcessMode::None && !gl_lod_supported); - - std::vector<Node> extras; - if (process_mode != TextureProcessMode::None && gl_lod_supported) { - if (process_mode == TextureProcessMode::LZ) { - extras.push_back(Immediate(0.0f)); - } else { - // If present, lod or bias are always stored in the register indexed by the gpr20 - // field with an offset depending on the usage of the other registers - extras.push_back(GetRegister(instr.gpr20.Value() + bias_offset)); - } - } - - Node4 values; - for (u32 element = 0; element < values.size(); ++element) { - auto copy_coords = coords; - MetaTexture meta{sampler, array, depth_compare, extras, element}; - values[element] = Operation(read_method, meta, std::move(copy_coords)); - } - - return values; -} - -Node4 ShaderIR::GetTexCode(Instruction instr, TextureType texture_type, - TextureProcessMode process_mode, bool depth_compare, bool is_array) { - const bool lod_bias_enabled = - (process_mode != TextureProcessMode::None && process_mode != TextureProcessMode::LZ); - - const auto [coord_count, total_coord_count] = ValidateAndGetCoordinateElement( - texture_type, depth_compare, is_array, lod_bias_enabled, 4, 5); - // If enabled arrays index is always stored in the gpr8 field - const u64 array_register = instr.gpr8.Value(); - // First coordinate index is the gpr8 or gpr8 + 1 when arrays are used - const u64 coord_register = array_register + (is_array ? 1 : 0); - - std::vector<Node> coords; - for (std::size_t i = 0; i < coord_count; ++i) { - coords.push_back(GetRegister(coord_register + i)); - } - // 1D.DC in OpenGL the 2nd component is ignored. - if (depth_compare && !is_array && texture_type == TextureType::Texture1D) { - coords.push_back(Immediate(0.0f)); - } - - const Node array = is_array ? GetRegister(array_register) : nullptr; - - Node dc{}; - if (depth_compare) { - // Depth is always stored in the register signaled by gpr20 or in the next register if lod - // or bias are used - const u64 depth_register = instr.gpr20.Value() + (lod_bias_enabled ? 1 : 0); - dc = GetRegister(depth_register); - } - - return GetTextureCode(instr, texture_type, process_mode, coords, array, dc, 0); -} - -Node4 ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type, - TextureProcessMode process_mode, bool depth_compare, bool is_array) { - const bool lod_bias_enabled = - (process_mode != TextureProcessMode::None && process_mode != TextureProcessMode::LZ); - - const auto [coord_count, total_coord_count] = ValidateAndGetCoordinateElement( - texture_type, depth_compare, is_array, lod_bias_enabled, 4, 4); - // If enabled arrays index is always stored in the gpr8 field - const u64 array_register = instr.gpr8.Value(); - // First coordinate index is stored in gpr8 field or (gpr8 + 1) when arrays are used - const u64 coord_register = array_register + (is_array ? 1 : 0); - const u64 last_coord_register = - (is_array || !(lod_bias_enabled || depth_compare) || (coord_count > 2)) - ? static_cast<u64>(instr.gpr20.Value()) - : coord_register + 1; - const u32 bias_offset = coord_count > 2 ? 1 : 0; - - std::vector<Node> coords; - for (std::size_t i = 0; i < coord_count; ++i) { - const bool last = (i == (coord_count - 1)) && (coord_count > 1); - coords.push_back(GetRegister(last ? last_coord_register : coord_register + i)); - } - - const Node array = is_array ? GetRegister(array_register) : nullptr; - - Node dc{}; - if (depth_compare) { - // Depth is always stored in the register signaled by gpr20 or in the next register if lod - // or bias are used - const u64 depth_register = instr.gpr20.Value() + (lod_bias_enabled ? 1 : 0); - dc = GetRegister(depth_register); - } - - return GetTextureCode(instr, texture_type, process_mode, coords, array, dc, bias_offset); -} - -Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool depth_compare, - bool is_array) { - const std::size_t coord_count = GetCoordCount(texture_type); - const std::size_t total_coord_count = coord_count + (is_array ? 1 : 0); - const std::size_t total_reg_count = total_coord_count + (depth_compare ? 1 : 0); - - // If enabled arrays index is always stored in the gpr8 field - const u64 array_register = instr.gpr8.Value(); - // First coordinate index is the gpr8 or gpr8 + 1 when arrays are used - const u64 coord_register = array_register + (is_array ? 1 : 0); - - std::vector<Node> coords; - for (size_t i = 0; i < coord_count; ++i) - coords.push_back(GetRegister(coord_register + i)); - - const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, depth_compare); - - Node4 values; - for (u32 element = 0; element < values.size(); ++element) { - auto coords_copy = coords; - MetaTexture meta{sampler, GetRegister(array_register), {}, {}, element}; - values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy)); - } - - return values; -} - -Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is_array) { - const std::size_t type_coord_count = GetCoordCount(texture_type); - const bool lod_enabled = instr.tlds.GetTextureProcessMode() == TextureProcessMode::LL; - - // If enabled arrays index is always stored in the gpr8 field - const u64 array_register = instr.gpr8.Value(); - // if is array gpr20 is used - const u64 coord_register = is_array ? instr.gpr20.Value() : instr.gpr8.Value(); - - const u64 last_coord_register = - ((type_coord_count > 2) || (type_coord_count == 2 && !lod_enabled)) && !is_array - ? static_cast<u64>(instr.gpr20.Value()) - : coord_register + 1; - - 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)); - } - - 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); - - const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, false); - - Node4 values; - for (u32 element = 0; element < values.size(); ++element) { - auto coords_copy = coords; - MetaTexture meta{sampler, array, {}, {lod}, element}; - values[element] = Operation(OperationCode::TexelFetch, meta, std::move(coords_copy)); - } - return values; -} - -std::tuple<std::size_t, std::size_t> ShaderIR::ValidateAndGetCoordinateElement( - TextureType texture_type, bool depth_compare, bool is_array, bool lod_bias_enabled, - std::size_t max_coords, std::size_t max_inputs) { - const std::size_t coord_count = GetCoordCount(texture_type); - - std::size_t total_coord_count = coord_count + (is_array ? 1 : 0) + (depth_compare ? 1 : 0); - const std::size_t total_reg_count = total_coord_count + (lod_bias_enabled ? 1 : 0); - if (total_coord_count > max_coords || total_reg_count > max_inputs) { - UNIMPLEMENTED_MSG("Unsupported Texture operation"); - total_coord_count = std::min(total_coord_count, max_coords); - } - // 1D.DC OpenGL is using a vec3 but 2nd component is ignored later. - total_coord_count += - (depth_compare && !is_array && texture_type == TextureType::Texture1D) ? 1 : 0; - - return {coord_count, total_coord_count}; -} - } // namespace VideoCommon::Shader |