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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2019-12-16 08:09:24 +0100 |
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committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2019-12-16 08:09:24 +0100 |
commit | e09c1fbc1f5868b1bff54a69a58fd6d788c54251 (patch) | |
tree | 4c77f899cb97fa590fbb028ef9ba3c5187900b99 /src/video_core/shader/decode | |
parent | shader/texture: Enable arrayed TLD4 (diff) | |
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Diffstat (limited to 'src/video_core/shader/decode')
-rw-r--r-- | src/video_core/shader/decode/texture.cpp | 74 |
1 files changed, 56 insertions, 18 deletions
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp index 6b6458993..dd8ff851e 100644 --- a/src/video_core/shader/decode/texture.cpp +++ b/src/video_core/shader/decode/texture.cpp @@ -91,18 +91,17 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { case OpCode::Id::TLD4: { UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::NDV), "NDV is not implemented"); - UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::PTP), - "PTP is not implemented"); - const auto texture_type = instr.tld4.texture_type.Value(); 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 = 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, is_bindless)); + const bool is_ptp = is_bindless ? instr.tld4_b.UsesMiscMode(TextureMiscMode::PTP) + : instr.tld4.UsesMiscMode(TextureMiscMode::PTP); + WriteTexInstructionFloat(bb, instr, + GetTld4Code(instr, texture_type, depth_compare, is_array, is_aoffi, + is_ptp, is_bindless)); break; } case OpCode::Id::TLD4S: { @@ -145,7 +144,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { Node4 values; for (u32 element = 0; element < values.size(); ++element) { auto coords_copy = coords; - MetaTexture meta{sampler, {}, depth_compare, aoffi, {}, {}, {}, component, element}; + MetaTexture meta{sampler, {}, depth_compare, aoffi, {}, {}, {}, {}, component, element}; values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy)); } @@ -194,7 +193,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { } for (u32 element = 0; element < values.size(); ++element) { - MetaTexture meta{*sampler, {}, {}, {}, derivates, {}, {}, {}, element}; + MetaTexture meta{*sampler, {}, {}, {}, {}, derivates, {}, {}, {}, element}; values[element] = Operation(OperationCode::TextureGradient, std::move(meta), coords); } @@ -234,7 +233,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { if (!instr.txq.IsComponentEnabled(element)) { continue; } - MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, element}; + MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, {}, element}; const Node value = Operation(OperationCode::TextureQueryDimensions, meta, GetRegister(instr.gpr8.Value() + (is_bindless ? 1 : 0))); @@ -303,7 +302,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { continue; } auto params = coords; - MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, element}; + MetaTexture meta{*sampler, {}, {}, {}, {}, {}, {}, {}, {}, element}; const Node value = Operation(OperationCode::TextureQueryLod, meta, std::move(params)); SetTemporary(bb, indexer++, value); } @@ -542,7 +541,7 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type, for (u32 element = 0; element < values.size(); ++element) { auto copy_coords = coords; - MetaTexture meta{*sampler, array, depth_compare, aoffi, {}, bias, lod, {}, element}; + MetaTexture meta{*sampler, array, depth_compare, aoffi, {}, {}, bias, lod, {}, element}; values[element] = Operation(read_method, meta, std::move(copy_coords)); } @@ -639,7 +638,9 @@ 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_bindless) { + bool is_array, bool is_aoffi, bool is_ptp, bool is_bindless) { + ASSERT_MSG(!(is_aoffi && is_ptp), "AOFFI and PTP can't be enabled at the same time"); + const std::size_t coord_count = GetCoordCount(texture_type); // If enabled arrays index is always stored in the gpr8 field @@ -665,12 +666,15 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de return values; } - std::vector<Node> aoffi; + std::vector<Node> aoffi, ptp; if (is_aoffi) { aoffi = GetAoffiCoordinates(GetRegister(parameter_register++), coord_count, true); + } else if (is_ptp) { + ptp = GetPtpCoordinates( + {GetRegister(parameter_register++), GetRegister(parameter_register++)}); } - Node dc{}; + Node dc; if (depth_compare) { dc = GetRegister(parameter_register++); } @@ -680,8 +684,8 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de for (u32 element = 0; element < values.size(); ++element) { auto coords_copy = coords; - MetaTexture meta{*sampler, GetRegister(array_register), dc, aoffi, {}, {}, {}, component, - element}; + MetaTexture meta{ + *sampler, GetRegister(array_register), dc, aoffi, ptp, {}, {}, {}, component, element}; values[element] = Operation(OperationCode::TextureGather, meta, std::move(coords_copy)); } @@ -714,7 +718,7 @@ Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) { Node4 values; for (u32 element = 0; element < values.size(); ++element) { auto coords_copy = coords; - MetaTexture meta{sampler, array_register, {}, {}, {}, {}, lod, {}, element}; + MetaTexture meta{sampler, array_register, {}, {}, {}, {}, {}, lod, {}, element}; values[element] = Operation(OperationCode::TexelFetch, meta, std::move(coords_copy)); } @@ -759,7 +763,7 @@ Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is Node4 values; for (u32 element = 0; element < values.size(); ++element) { auto coords_copy = coords; - MetaTexture meta{sampler, array, {}, {}, {}, {}, lod, {}, element}; + MetaTexture meta{sampler, array, {}, {}, {}, {}, {}, lod, {}, element}; values[element] = Operation(OperationCode::TexelFetch, meta, std::move(coords_copy)); } return values; @@ -824,4 +828,38 @@ std::vector<Node> ShaderIR::GetAoffiCoordinates(Node aoffi_reg, std::size_t coor return aoffi; } +std::vector<Node> ShaderIR::GetPtpCoordinates(std::array<Node, 2> ptp_regs) { + static constexpr u32 num_entries = 8; + + std::vector<Node> ptp; + ptp.reserve(num_entries); + + const auto global_size = static_cast<s64>(global_code.size()); + const std::optional low = TrackImmediate(ptp_regs[0], global_code, global_size); + const std::optional high = TrackImmediate(ptp_regs[1], global_code, global_size); + if (!low || !high) { + for (u32 entry = 0; entry < num_entries; ++entry) { + const u32 reg = entry / 4; + const u32 offset = entry % 4; + const Node value = BitfieldExtract(ptp_regs[reg], offset * 8, 6); + const Node condition = + Operation(OperationCode::LogicalIGreaterEqual, value, Immediate(32)); + const Node negative = Operation(OperationCode::IAdd, value, Immediate(-64)); + ptp.push_back(Operation(OperationCode::Select, condition, negative, value)); + } + return ptp; + } + + const u64 immediate = (static_cast<u64>(*high) << 32) | static_cast<u64>(*low); + for (u32 entry = 0; entry < num_entries; ++entry) { + s32 value = (immediate >> (entry * 8)) & 0b111111; + if (value >= 32) { + value -= 64; + } + ptp.push_back(Immediate(value)); + } + + return ptp; +} + } // namespace VideoCommon::Shader |