diff options
Diffstat (limited to 'src/video_core/shader')
| -rw-r--r-- | src/video_core/shader/decode/texture.cpp | 113 | ||||
| -rw-r--r-- | src/video_core/shader/shader_ir.h | 40 |
2 files changed, 129 insertions, 24 deletions
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp index a775b402b..fa65ac9a9 100644 --- a/src/video_core/shader/decode/texture.cpp +++ b/src/video_core/shader/decode/texture.cpp @@ -40,7 +40,7 @@ static std::size_t GetCoordCount(TextureType texture_type) { u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { const Instruction instr = {program_code[pc]}; const auto opcode = OpCode::Decode(instr); - + bool is_bindless = false; switch (opcode->get().GetId()) { case OpCode::Id::TEX: { if (instr.tex.UsesMiscMode(TextureMiscMode::NODEP)) { @@ -54,7 +54,25 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { const auto process_mode = instr.tex.GetTextureProcessMode(); WriteTexInstructionFloat( bb, instr, - GetTexCode(instr, texture_type, process_mode, depth_compare, is_array, is_aoffi)); + GetTexCode(instr, texture_type, process_mode, depth_compare, is_array, is_aoffi, {})); + break; + } + case OpCode::Id::TEX_B: { + 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_b.texture_type}; + const bool is_array = instr.tex_b.array != 0; + const bool is_aoffi = instr.tex.UsesMiscMode(TextureMiscMode::AOFFI); + const bool depth_compare = instr.tex_b.UsesMiscMode(TextureMiscMode::DC); + const auto process_mode = instr.tex_b.GetTextureProcessMode(); + WriteTexInstructionFloat(bb, instr, + GetTexCode(instr, texture_type, process_mode, depth_compare, + is_array, is_aoffi, {instr.gpr20})); break; } case OpCode::Id::TEXS: { @@ -134,6 +152,9 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { WriteTexsInstructionFloat(bb, instr, values); break; } + case OpCode::Id::TXQ_B: + is_bindless = true; + [[fallthrough]]; case OpCode::Id::TXQ: { if (instr.txq.UsesMiscMode(TextureMiscMode::NODEP)) { LOG_WARNING(HW_GPU, "TXQ.NODEP implementation is incomplete"); @@ -143,7 +164,10 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { // 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); + is_bindless + ? GetBindlessSampler(instr.gpr8, Tegra::Shader::TextureType::Texture2D, false, + false) + : GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false, false); u32 indexer = 0; switch (instr.txq.query_type) { @@ -154,7 +178,8 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { } MetaTexture meta{sampler, {}, {}, {}, {}, {}, {}, element}; const Node value = - Operation(OperationCode::TextureQueryDimensions, meta, GetRegister(instr.gpr8)); + Operation(OperationCode::TextureQueryDimensions, meta, + GetRegister(instr.gpr8.Value() + (is_bindless ? 1 : 0))); SetTemporal(bb, indexer++, value); } for (u32 i = 0; i < indexer; ++i) { @@ -168,6 +193,9 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { } break; } + case OpCode::Id::TMML_B: + is_bindless = true; + [[fallthrough]]; case OpCode::Id::TMML: { UNIMPLEMENTED_IF_MSG(instr.tmml.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV), "NDV is not implemented"); @@ -178,7 +206,9 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { 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); + const auto& sampler = is_bindless + ? GetBindlessSampler(instr.gpr20, texture_type, is_array, false) + : GetSampler(instr.sampler, texture_type, is_array, false); std::vector<Node> coords; @@ -199,17 +229,19 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { coords.push_back(GetRegister(instr.gpr8.Value() + 1)); texture_type = TextureType::Texture2D; } - + u32 indexer = 0; for (u32 element = 0; element < 2; ++element) { + if (!instr.tmml.IsComponentEnabled(element)) { + continue; + } auto params = coords; MetaTexture meta{sampler, {}, {}, {}, {}, {}, {}, element}; const Node value = Operation(OperationCode::TextureQueryLod, meta, std::move(params)); - SetTemporal(bb, element, value); + SetTemporal(bb, indexer++, value); } - for (u32 element = 0; element < 2; ++element) { - SetRegister(bb, instr.gpr0.Value() + element, GetTemporal(element)); + for (u32 i = 0; i < indexer; ++i) { + SetRegister(bb, instr.gpr0.Value() + i, GetTemporal(i)); } - break; } case OpCode::Id::TLDS: { @@ -254,6 +286,34 @@ const Sampler& ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler, Textu return *used_samplers.emplace(entry).first; } +const Sampler& ShaderIR::GetBindlessSampler(const Tegra::Shader::Register& reg, TextureType type, + bool is_array, bool is_shadow) { + const Node sampler_register = GetRegister(reg); + const Node base_sampler = + TrackCbuf(sampler_register, global_code, static_cast<s64>(global_code.size())); + const auto cbuf = std::get_if<CbufNode>(base_sampler); + const auto cbuf_offset_imm = std::get_if<ImmediateNode>(cbuf->GetOffset()); + ASSERT(cbuf_offset_imm != nullptr); + const auto cbuf_offset = cbuf_offset_imm->GetValue(); + const auto cbuf_index = cbuf->GetIndex(); + const u64 cbuf_key = (cbuf_index << 32) | cbuf_offset; + + // 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() == cbuf_key; }); + 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{cbuf_index, cbuf_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) { @@ -326,22 +386,27 @@ void ShaderIR::WriteTexsInstructionHalfFloat(NodeBlock& bb, Instruction instr, Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type, TextureProcessMode process_mode, std::vector<Node> coords, Node array, Node depth_compare, u32 bias_offset, - std::vector<Node> aoffi) { + std::vector<Node> aoffi, + std::optional<Tegra::Shader::Register> bindless_reg) { const bool is_array = array; const bool is_shadow = depth_compare; + const bool is_bindless = bindless_reg.has_value(); 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 auto& sampler = is_bindless + ? GetBindlessSampler(*bindless_reg, texture_type, is_array, is_shadow) + : 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. + // 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)); @@ -359,8 +424,9 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type, lod = Immediate(0.0f); break; case TextureProcessMode::LB: - // 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 + // 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 bias = GetRegister(instr.gpr20.Value() + bias_offset); break; case TextureProcessMode::LL: @@ -384,11 +450,18 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type, Node4 ShaderIR::GetTexCode(Instruction instr, TextureType texture_type, TextureProcessMode process_mode, bool depth_compare, bool is_array, - bool is_aoffi) { + bool is_aoffi, std::optional<Tegra::Shader::Register> bindless_reg) { const bool lod_bias_enabled{ (process_mode != TextureProcessMode::None && process_mode != TextureProcessMode::LZ)}; + const bool is_bindless = bindless_reg.has_value(); + u64 parameter_register = instr.gpr20.Value(); + if (is_bindless) { + ++parameter_register; + } + + const u32 bias_lod_offset = (is_bindless ? 1 : 0); if (lod_bias_enabled) { ++parameter_register; } @@ -423,7 +496,8 @@ Node4 ShaderIR::GetTexCode(Instruction instr, TextureType texture_type, dc = GetRegister(parameter_register++); } - return GetTextureCode(instr, texture_type, process_mode, coords, array, dc, 0, aoffi); + return GetTextureCode(instr, texture_type, process_mode, coords, array, dc, bias_lod_offset, + aoffi, bindless_reg); } Node4 ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type, @@ -459,7 +533,8 @@ Node4 ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type, dc = GetRegister(depth_register); } - return GetTextureCode(instr, texture_type, process_mode, coords, array, dc, bias_offset, {}); + return GetTextureCode(instr, texture_type, process_mode, coords, array, dc, bias_offset, {}, + {}); } Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool depth_compare, diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h index 1afab08c0..57af8b10f 100644 --- a/src/video_core/shader/shader_ir.h +++ b/src/video_core/shader/shader_ir.h @@ -196,9 +196,23 @@ enum class ExitMethod { class Sampler { public: + // Use this constructor for bounded Samplers explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type, bool is_array, bool is_shadow) - : offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow} {} + : offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow}, + is_bindless{false} {} + + // Use this constructor for bindless Samplers + explicit Sampler(u32 cbuf_index, u32 cbuf_offset, std::size_t index, + Tegra::Shader::TextureType type, bool is_array, bool is_shadow) + : offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type}, + is_array{is_array}, is_shadow{is_shadow}, is_bindless{true} {} + + // Use this only for serialization/deserialization + explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type, + bool is_array, bool is_shadow, bool is_bindless) + : offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow}, + is_bindless{is_bindless} {} std::size_t GetOffset() const { return offset; @@ -220,6 +234,14 @@ public: return is_shadow; } + bool IsBindless() const { + return is_bindless; + } + + std::pair<u32, u32> GetBindlessCBuf() const { + return {static_cast<u32>(offset >> 32), static_cast<u32>(offset)}; + } + bool operator<(const Sampler& rhs) const { return std::tie(offset, index, type, is_array, is_shadow) < std::tie(rhs.offset, rhs.index, rhs.type, rhs.is_array, rhs.is_shadow); @@ -231,8 +253,9 @@ private: std::size_t offset{}; std::size_t index{}; ///< Value used to index into the generated GLSL sampler array. Tegra::Shader::TextureType type{}; ///< The type used to sample this texture (Texture2D, etc) - bool is_array{}; ///< Whether the texture is being sampled as an array texture or not. - bool is_shadow{}; ///< Whether the texture is being sampled as a depth texture or not. + bool is_array{}; ///< Whether the texture is being sampled as an array texture or not. + bool is_shadow{}; ///< Whether the texture is being sampled as a depth texture or not. + bool is_bindless{}; ///< Whether this sampler belongs to a bindless texture or not. }; class ConstBuffer { @@ -735,6 +758,11 @@ private: const Sampler& GetSampler(const Tegra::Shader::Sampler& sampler, Tegra::Shader::TextureType type, bool is_array, bool is_shadow); + // Accesses a texture sampler for a bindless texture. + const Sampler& GetBindlessSampler(const Tegra::Shader::Register& reg, + Tegra::Shader::TextureType type, bool is_array, + bool is_shadow); + /// Extracts a sequence of bits from a node Node BitfieldExtract(Node value, u32 offset, u32 bits); @@ -748,7 +776,8 @@ private: Node4 GetTexCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type, Tegra::Shader::TextureProcessMode process_mode, bool depth_compare, - bool is_array, bool is_aoffi); + bool is_array, bool is_aoffi, + std::optional<Tegra::Shader::Register> bindless_reg); Node4 GetTexsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type, Tegra::Shader::TextureProcessMode process_mode, bool depth_compare, @@ -768,7 +797,8 @@ private: Node4 GetTextureCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type, Tegra::Shader::TextureProcessMode process_mode, std::vector<Node> coords, - Node array, Node depth_compare, u32 bias_offset, std::vector<Node> aoffi); + Node array, Node depth_compare, u32 bias_offset, std::vector<Node> aoffi, + std::optional<Tegra::Shader::Register> bindless_reg); Node GetVideoOperand(Node op, bool is_chunk, bool is_signed, Tegra::Shader::VideoType type, u64 byte_height); |