From 4e81fc8296c6204645151bbaa23a7d80827a4293 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Sat, 27 Apr 2019 20:50:35 -0300 Subject: [PATCH] shader: Implement texture buffers --- src/video_core/engines/shader_bytecode.h | 16 +++++++++ src/video_core/shader/decode/texture.cpp | 44 ++++++++++++++++++++++++ src/video_core/shader/shader_ir.h | 2 ++ 3 files changed, 62 insertions(+) diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index ffb3ec3e0..5b32e1249 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -1231,6 +1231,20 @@ union Instruction { } } texs; + union { + BitField<28, 1, u64> is_array; + BitField<29, 2, TextureType> texture_type; + BitField<35, 1, u64> aoffi; + BitField<49, 1, u64> nodep_flag; + BitField<50, 1, u64> ms; // Multisample? + BitField<54, 1, u64> cl; + BitField<55, 1, u64> process_mode; + + TextureProcessMode GetTextureProcessMode() const { + return process_mode == 0 ? TextureProcessMode::LZ : TextureProcessMode::LL; + } + } tld; + union { BitField<49, 1, u64> nodep_flag; BitField<53, 4, u64> texture_info; @@ -1408,6 +1422,7 @@ public: TXQ, // Texture Query TXQ_B, // Texture Query Bindless TEXS, // Texture Fetch with scalar/non-vec4 source/destinations + TLD, // Texture Load TLDS, // Texture Load with scalar/non-vec4 source/destinations TLD4, // Texture Load 4 TLD4S, // Texture Load 4 with scalar / non - vec4 source / destinations @@ -1682,6 +1697,7 @@ private: INST("1101111101001---", Id::TXQ, Type::Texture, "TXQ"), INST("1101111101010---", Id::TXQ_B, Type::Texture, "TXQ_B"), INST("1101-00---------", Id::TEXS, Type::Texture, "TEXS"), + INST("11011100--11----", Id::TLD, Type::Texture, "TLD"), INST("1101101---------", Id::TLDS, Type::Texture, "TLDS"), INST("110010----111---", Id::TLD4, Type::Texture, "TLD4"), INST("1101111100------", Id::TLD4S, Type::Texture, "TLD4S"), diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp index 4a356dbd4..b22831c64 100644 --- a/src/video_core/shader/decode/texture.cpp +++ b/src/video_core/shader/decode/texture.cpp @@ -245,6 +245,18 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { } break; } + case OpCode::Id::TLD: { + UNIMPLEMENTED_IF_MSG(instr.tld.aoffi, "AOFFI is not implemented"); + UNIMPLEMENTED_IF_MSG(instr.tld.ms, "MS is not implemented"); + UNIMPLEMENTED_IF_MSG(instr.tld.cl, "CL is not implemented"); + + if (instr.tld.nodep_flag) { + LOG_WARNING(HW_GPU, "TLD.NODEP implementation is incomplete"); + } + + WriteTexInstructionFloat(bb, instr, GetTldCode(instr)); + break; + } case OpCode::Id::TLDS: { const Tegra::Shader::TextureType texture_type{instr.tlds.GetTextureType()}; const bool is_array{instr.tlds.IsArrayTexture()}; @@ -575,6 +587,38 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de return values; } +Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) { + const auto texture_type{instr.tld.texture_type}; + const bool is_array{instr.tld.is_array}; + const bool lod_enabled{instr.tld.GetTextureProcessMode() == TextureProcessMode::LL}; + const std::size_t coord_count{GetCoordCount(texture_type)}; + + u64 gpr8_cursor{instr.gpr8.Value()}; + const Node array_register{is_array ? GetRegister(gpr8_cursor++) : nullptr}; + + std::vector coords; + for (std::size_t i = 0; i < coord_count; ++i) { + coords.push_back(GetRegister(gpr8_cursor++)); + } + + u64 gpr20_cursor{instr.gpr20.Value()}; + // const Node bindless_register{is_bindless ? GetRegister(gpr20_cursor++) : nullptr}; + const Node lod{lod_enabled ? GetRegister(gpr20_cursor++) : Immediate(0u)}; + // const Node aoffi_register{is_aoffi ? GetRegister(gpr20_cursor++) : nullptr}; + // const Node multisample{is_multisample ? GetRegister(gpr20_cursor++) : nullptr}; + + 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_register, {}, {}, {}, lod, {}, element}; + values[element] = Operation(OperationCode::TexelFetch, 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; diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h index edcf2288e..1b84c0672 100644 --- a/src/video_core/shader/shader_ir.h +++ b/src/video_core/shader/shader_ir.h @@ -277,6 +277,8 @@ private: Node4 GetTld4Code(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type, bool depth_compare, bool is_array, bool is_aoffi); + Node4 GetTldCode(Tegra::Shader::Instruction instr); + Node4 GetTldsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type, bool is_array);