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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-04-16 07:07:42 +0200 |
---|---|---|
committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-04-23 23:04:13 +0200 |
commit | 4fb921ff6bd6f9596c7e7cd9524932f2a44e9490 (patch) | |
tree | e48867fbae160e4f0ebf155f7dc4cf81c5683150 /src/video_core/shader | |
parent | shader_ir: Turn classes into data structures (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/shader/decode/texture.cpp | 125 | ||||
-rw-r--r-- | src/video_core/shader/shader_ir.h | 24 |
2 files changed, 87 insertions, 62 deletions
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp index 193368c29..8f0bb996e 100644 --- a/src/video_core/shader/decode/texture.cpp +++ b/src/video_core/shader/decode/texture.cpp @@ -139,7 +139,8 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { } const Node component = Immediate(static_cast<u32>(instr.tld4s.component)); - const SamplerInfo info{TextureType::Texture2D, false, is_depth_compare, false}; + SamplerInfo info; + info.is_shadow = is_depth_compare; const std::optional<Sampler> sampler = GetSampler(instr.sampler, info); Node4 values; @@ -164,20 +165,20 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { "AOFFI is not implemented"); const bool is_array = instr.txd.is_array != 0; - u64 base_reg = instr.gpr8.Value(); const auto derivate_reg = instr.gpr20.Value(); const auto texture_type = instr.txd.texture_type.Value(); const auto coord_count = GetCoordCount(texture_type); - Node index_var{}; - const std::optional<Sampler> sampler = - is_bindless - ? GetBindlessSampler(base_reg, index_var, {{texture_type, is_array, false, false}}) - : GetSampler(instr.sampler, {{texture_type, is_array, false, false}}); + u64 base_reg = instr.gpr8.Value(); + Node index_var; + SamplerInfo info; + info.type = texture_type; + info.is_array = is_array; + const std::optional<Sampler> sampler = is_bindless + ? GetBindlessSampler(base_reg, info, index_var) + : GetSampler(instr.sampler, info); Node4 values; if (!sampler) { - for (u32 element = 0; element < values.size(); ++element) { - values[element] = Immediate(0); - } + std::generate(values.begin(), values.end(), [this] { return Immediate(0); }); WriteTexInstructionFloat(bb, instr, values); break; } @@ -215,12 +216,10 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { is_bindless = true; [[fallthrough]]; case OpCode::Id::TXQ: { - // 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. - Node index_var{}; - const std::optional<Sampler> sampler = - is_bindless ? GetBindlessSampler(instr.gpr8, index_var) : GetSampler(instr.sampler); + Node index_var; + const std::optional<Sampler> sampler = is_bindless + ? GetBindlessSampler(instr.gpr8, {}, index_var) + : GetSampler(instr.sampler, {}); if (!sampler) { u32 indexer = 0; @@ -268,10 +267,15 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { UNIMPLEMENTED_IF_MSG(instr.tmml.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV), "NDV is not implemented"); - auto texture_type = instr.tmml.texture_type.Value(); - Node index_var{}; + const auto texture_type = instr.tmml.texture_type.Value(); + const bool is_array = instr.tmml.array != 0; + SamplerInfo info; + info.type = texture_type; + info.is_array = is_array; + Node index_var; const std::optional<Sampler> sampler = - is_bindless ? GetBindlessSampler(instr.gpr20, index_var) : GetSampler(instr.sampler); + is_bindless ? GetBindlessSampler(instr.gpr20, info, index_var) + : GetSampler(instr.sampler, info); if (!sampler) { u32 indexer = 0; @@ -300,12 +304,11 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { coords.push_back(GetRegister(instr.gpr8.Value() + 1)); break; default: - UNIMPLEMENTED_MSG("Unhandled texture type {}", static_cast<u32>(texture_type)); + UNIMPLEMENTED_MSG("Unhandled texture type {}", static_cast<int>(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; } u32 indexer = 0; for (u32 element = 0; element < 2; ++element) { @@ -354,23 +357,30 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { return pc; } -ShaderIR::SamplerInfo ShaderIR::GetSamplerInfo(std::optional<SamplerInfo> sampler_info, u32 offset, +ShaderIR::SamplerInfo ShaderIR::GetSamplerInfo(SamplerInfo info, u32 offset, std::optional<u32> buffer) { - if (sampler_info) { - return *sampler_info; + if (info.IsComplete()) { + return info; } const auto sampler = buffer ? registry.ObtainBindlessSampler(*buffer, offset) : registry.ObtainBoundSampler(offset); if (!sampler) { LOG_WARNING(HW_GPU, "Unknown sampler info"); - return SamplerInfo{TextureType::Texture2D, false, false, false}; - } - return SamplerInfo{sampler->texture_type, sampler->is_array != 0, sampler->is_shadow != 0, - sampler->is_buffer != 0}; + info.type = info.type.value_or(Tegra::Shader::TextureType::Texture2D); + info.is_array = info.is_array.value_or(false); + info.is_shadow = info.is_shadow.value_or(false); + info.is_buffer = info.is_buffer.value_or(false); + return info; + } + info.type = info.type.value_or(sampler->texture_type); + info.is_array = info.is_array.value_or(sampler->is_array != 0); + info.is_shadow = info.is_shadow.value_or(sampler->is_shadow != 0); + info.is_buffer = info.is_buffer.value_or(sampler->is_buffer != 0); + return info; } -std::optional<Sampler> ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler, - std::optional<SamplerInfo> sampler_info) { +std::optional<Sampler> ShaderIR::GetSampler(Tegra::Shader::Sampler sampler, + SamplerInfo sampler_info) { const auto offset = static_cast<u32>(sampler.index.Value()); const auto info = GetSamplerInfo(sampler_info, offset); @@ -385,12 +395,12 @@ std::optional<Sampler> ShaderIR::GetSampler(const Tegra::Shader::Sampler& sample // Otherwise create a new mapping for this sampler const auto next_index = static_cast<u32>(used_samplers.size()); - return used_samplers.emplace_back(next_index, offset, info.type, info.is_array, info.is_shadow, - info.is_buffer, false); + return used_samplers.emplace_back(next_index, offset, *info.type, *info.is_array, + *info.is_shadow, *info.is_buffer, false); } -std::optional<Sampler> ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg, Node& index_var, - std::optional<SamplerInfo> sampler_info) { +std::optional<Sampler> ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg, SamplerInfo info, + Node& index_var) { const Node sampler_register = GetRegister(reg); const auto [base_node, tracked_sampler_info] = TrackBindlessSampler(sampler_register, global_code, static_cast<s64>(global_code.size())); @@ -403,7 +413,7 @@ std::optional<Sampler> ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg, std::get_if<BindlessSamplerNode>(&*tracked_sampler_info)) { const u32 buffer = bindless_sampler_info->GetIndex(); const u32 offset = bindless_sampler_info->GetOffset(); - const auto info = GetSamplerInfo(sampler_info, offset, buffer); + info = GetSamplerInfo(info, offset, buffer); // If this sampler has already been used, return the existing mapping. const auto it = std::find_if(used_samplers.begin(), used_samplers.end(), @@ -418,13 +428,13 @@ std::optional<Sampler> ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg, // Otherwise create a new mapping for this sampler const auto next_index = static_cast<u32>(used_samplers.size()); - return used_samplers.emplace_back(next_index, offset, buffer, info.type, info.is_array, - info.is_shadow, info.is_buffer, false); + return used_samplers.emplace_back(next_index, offset, buffer, *info.type, *info.is_array, + *info.is_shadow, *info.is_buffer, false); } if (const auto array_sampler_info = std::get_if<ArraySamplerNode>(&*tracked_sampler_info)) { const u32 base_offset = array_sampler_info->GetBaseOffset() / 4; index_var = GetCustomVariable(array_sampler_info->GetIndexVar()); - const auto info = GetSamplerInfo(sampler_info, base_offset); + info = GetSamplerInfo(info, base_offset); // If this sampler has already been used, return the existing mapping. const auto it = std::find_if( @@ -440,8 +450,8 @@ std::optional<Sampler> ShaderIR::GetBindlessSampler(Tegra::Shader::Register reg, uses_indexed_samplers = true; // Otherwise create a new mapping for this sampler const auto next_index = static_cast<u32>(used_samplers.size()); - return used_samplers.emplace_back(next_index, base_offset, info.type, info.is_array, - info.is_shadow, info.is_buffer, true); + return used_samplers.emplace_back(next_index, base_offset, *info.type, *info.is_array, + *info.is_shadow, *info.is_buffer, true); } return std::nullopt; } @@ -528,11 +538,16 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type, ASSERT_MSG(texture_type != TextureType::Texture3D || !is_array || !is_shadow, "Illegal texture type"); - const SamplerInfo info{texture_type, is_array, is_shadow, false}; + SamplerInfo info; + info.type = texture_type; + info.is_array = is_array; + info.is_shadow = is_shadow; + info.is_buffer = false; + Node index_var; - std::optional<Sampler> sampler = is_bindless - ? GetBindlessSampler(*bindless_reg, index_var, info) - : GetSampler(instr.sampler, info); + const std::optional<Sampler> sampler = is_bindless + ? GetBindlessSampler(*bindless_reg, info, index_var) + : GetSampler(instr.sampler, info); if (!sampler) { return {Immediate(0), Immediate(0), Immediate(0), Immediate(0)}; } @@ -683,10 +698,14 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de u64 parameter_register = instr.gpr20.Value(); - const SamplerInfo info{texture_type, is_array, depth_compare, false}; - Node index_var{}; + SamplerInfo info; + info.type = texture_type; + info.is_array = is_array; + info.is_shadow = depth_compare; + + Node index_var; const std::optional<Sampler> sampler = - is_bindless ? GetBindlessSampler(parameter_register++, index_var, info) + is_bindless ? GetBindlessSampler(parameter_register++, info, index_var) : GetSampler(instr.sampler, info); Node4 values; if (!sampler) { @@ -744,12 +763,12 @@ Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) { // 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); + const std::optional<Sampler> sampler = GetSampler(instr.sampler, {}); 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)); } @@ -757,7 +776,11 @@ Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) { } Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is_array) { - const Sampler& sampler = *GetSampler(instr.sampler); + SamplerInfo info; + info.type = texture_type; + info.is_array = is_array; + info.is_shadow = false; + const std::optional<Sampler> sampler = GetSampler(instr.sampler, info); const std::size_t type_coord_count = GetCoordCount(texture_type); const bool lod_enabled = instr.tlds.GetTextureProcessMode() == TextureProcessMode::LL; @@ -785,7 +808,7 @@ 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; diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h index ae5e414cb..748d73087 100644 --- a/src/video_core/shader/shader_ir.h +++ b/src/video_core/shader/shader_ir.h @@ -191,10 +191,14 @@ private: friend class ASTDecoder; struct SamplerInfo { - Tegra::Shader::TextureType type; - bool is_array; - bool is_shadow; - bool is_buffer; + std::optional<Tegra::Shader::TextureType> type; + std::optional<bool> is_array; + std::optional<bool> is_shadow; + std::optional<bool> is_buffer; + + constexpr bool IsComplete() const noexcept { + return type && is_array && is_shadow && is_buffer; + } }; void Decode(); @@ -327,17 +331,15 @@ private: OperationCode GetPredicateCombiner(Tegra::Shader::PredOperation operation); /// Queries the missing sampler info from the execution context. - SamplerInfo GetSamplerInfo(std::optional<SamplerInfo> sampler_info, u32 offset, + SamplerInfo GetSamplerInfo(SamplerInfo info, u32 offset, std::optional<u32> buffer = std::nullopt); - /// Accesses a texture sampler - std::optional<Sampler> GetSampler(const Tegra::Shader::Sampler& sampler, - std::optional<SamplerInfo> sampler_info = std::nullopt); + /// Accesses a texture sampler. + std::optional<Sampler> GetSampler(Tegra::Shader::Sampler sampler, SamplerInfo info); /// Accesses a texture sampler for a bindless texture. - std::optional<Sampler> GetBindlessSampler( - Tegra::Shader::Register reg, Node& index_var, - std::optional<SamplerInfo> sampler_info = std::nullopt); + std::optional<Sampler> GetBindlessSampler(Tegra::Shader::Register reg, SamplerInfo info, + Node& index_var); /// Accesses an image. Image& GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type); |