diff options
Diffstat (limited to 'src/shader_recompiler/backend/spirv')
5 files changed, 232 insertions, 55 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp index 032cf5e03..067f61613 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/emit_context.cpp @@ -125,19 +125,36 @@ u32 NumVertices(InputTopology input_topology) { throw InvalidArgument("Invalid input topology {}", input_topology); } -Id DefineInput(EmitContext& ctx, Id type, std::optional<spv::BuiltIn> builtin = std::nullopt) { - if (ctx.stage == Stage::Geometry) { - const u32 num_vertices{NumVertices(ctx.profile.input_topology)}; - type = ctx.TypeArray(type, ctx.Constant(ctx.U32[1], num_vertices)); +Id DefineInput(EmitContext& ctx, Id type, bool per_invocation, + std::optional<spv::BuiltIn> builtin = std::nullopt) { + switch (ctx.stage) { + case Stage::TessellationControl: + case Stage::TessellationEval: + if (per_invocation) { + type = ctx.TypeArray(type, ctx.Constant(ctx.U32[1], 32u)); + } + break; + case Stage::Geometry: + if (per_invocation) { + const u32 num_vertices{NumVertices(ctx.profile.input_topology)}; + type = ctx.TypeArray(type, ctx.Constant(ctx.U32[1], num_vertices)); + } + break; + default: + break; } return DefineVariable(ctx, type, builtin, spv::StorageClass::Input); } -Id DefineOutput(EmitContext& ctx, Id type, std::optional<spv::BuiltIn> builtin = std::nullopt) { +Id DefineOutput(EmitContext& ctx, Id type, std::optional<u32> invocations, + std::optional<spv::BuiltIn> builtin = std::nullopt) { + if (invocations && ctx.stage == Stage::TessellationControl) { + type = ctx.TypeArray(type, ctx.Constant(ctx.U32[1], *invocations)); + } return DefineVariable(ctx, type, builtin, spv::StorageClass::Output); } -void DefineGenericOutput(EmitContext& ctx, size_t index) { +void DefineGenericOutput(EmitContext& ctx, size_t index, std::optional<u32> invocations) { static constexpr std::string_view swizzle{"xyzw"}; const size_t base_attr_index{static_cast<size_t>(IR::Attribute::Generic0X) + index * 4}; u32 element{0}; @@ -150,7 +167,7 @@ void DefineGenericOutput(EmitContext& ctx, size_t index) { } const u32 num_components{xfb_varying ? xfb_varying->components : remainder}; - const Id id{DefineOutput(ctx, ctx.F32[num_components])}; + const Id id{DefineOutput(ctx, ctx.F32[num_components], invocations)}; ctx.Decorate(id, spv::Decoration::Location, static_cast<u32>(index)); if (element > 0) { ctx.Decorate(id, spv::Decoration::Component, element); @@ -161,10 +178,10 @@ void DefineGenericOutput(EmitContext& ctx, size_t index) { ctx.Decorate(id, spv::Decoration::Offset, xfb_varying->offset); } if (num_components < 4 || element > 0) { - ctx.Name(id, fmt::format("out_attr{}", index)); - } else { const std::string_view subswizzle{swizzle.substr(element, num_components)}; ctx.Name(id, fmt::format("out_attr{}_{}", index, subswizzle)); + } else { + ctx.Name(id, fmt::format("out_attr{}", index)); } const GenericElementInfo info{ .id = id, @@ -383,7 +400,7 @@ EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& bin AddCapability(spv::Capability::Shader); DefineCommonTypes(program.info); DefineCommonConstants(); - DefineInterfaces(program.info); + DefineInterfaces(program); DefineLocalMemory(program); DefineSharedMemory(program); DefineSharedMemoryFunctions(program); @@ -472,9 +489,9 @@ void EmitContext::DefineCommonConstants() { f32_zero_value = Constant(F32[1], 0.0f); } -void EmitContext::DefineInterfaces(const Info& info) { - DefineInputs(info); - DefineOutputs(info); +void EmitContext::DefineInterfaces(const IR::Program& program) { + DefineInputs(program.info); + DefineOutputs(program); } void EmitContext::DefineLocalMemory(const IR::Program& program) { @@ -972,26 +989,29 @@ void EmitContext::DefineLabels(IR::Program& program) { void EmitContext::DefineInputs(const Info& info) { if (info.uses_workgroup_id) { - workgroup_id = DefineInput(*this, U32[3], spv::BuiltIn::WorkgroupId); + workgroup_id = DefineInput(*this, U32[3], false, spv::BuiltIn::WorkgroupId); } if (info.uses_local_invocation_id) { - local_invocation_id = DefineInput(*this, U32[3], spv::BuiltIn::LocalInvocationId); + local_invocation_id = DefineInput(*this, U32[3], false, spv::BuiltIn::LocalInvocationId); + } + if (info.uses_invocation_id) { + invocation_id = DefineInput(*this, U32[1], false, spv::BuiltIn::InvocationId); } if (info.uses_is_helper_invocation) { - is_helper_invocation = DefineInput(*this, U1, spv::BuiltIn::HelperInvocation); + is_helper_invocation = DefineInput(*this, U1, false, spv::BuiltIn::HelperInvocation); } if (info.uses_subgroup_mask) { - subgroup_mask_eq = DefineInput(*this, U32[4], spv::BuiltIn::SubgroupEqMaskKHR); - subgroup_mask_lt = DefineInput(*this, U32[4], spv::BuiltIn::SubgroupLtMaskKHR); - subgroup_mask_le = DefineInput(*this, U32[4], spv::BuiltIn::SubgroupLeMaskKHR); - subgroup_mask_gt = DefineInput(*this, U32[4], spv::BuiltIn::SubgroupGtMaskKHR); - subgroup_mask_ge = DefineInput(*this, U32[4], spv::BuiltIn::SubgroupGeMaskKHR); + subgroup_mask_eq = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupEqMaskKHR); + subgroup_mask_lt = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLtMaskKHR); + subgroup_mask_le = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLeMaskKHR); + subgroup_mask_gt = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGtMaskKHR); + subgroup_mask_ge = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGeMaskKHR); } if (info.uses_subgroup_invocation_id || (profile.warp_size_potentially_larger_than_guest && (info.uses_subgroup_vote || info.uses_subgroup_mask))) { subgroup_local_invocation_id = - DefineInput(*this, U32[1], spv::BuiltIn::SubgroupLocalInvocationId); + DefineInput(*this, U32[1], false, spv::BuiltIn::SubgroupLocalInvocationId); } if (info.uses_fswzadd) { const Id f32_one{Constant(F32[1], 1.0f)}; @@ -1004,29 +1024,32 @@ void EmitContext::DefineInputs(const Info& info) { if (info.loads_position) { const bool is_fragment{stage != Stage::Fragment}; const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::Position : spv::BuiltIn::FragCoord}; - input_position = DefineInput(*this, F32[4], built_in); + input_position = DefineInput(*this, F32[4], true, built_in); } if (info.loads_instance_id) { if (profile.support_vertex_instance_id) { - instance_id = DefineInput(*this, U32[1], spv::BuiltIn::InstanceId); + instance_id = DefineInput(*this, U32[1], true, spv::BuiltIn::InstanceId); } else { - instance_index = DefineInput(*this, U32[1], spv::BuiltIn::InstanceIndex); - base_instance = DefineInput(*this, U32[1], spv::BuiltIn::BaseInstance); + instance_index = DefineInput(*this, U32[1], true, spv::BuiltIn::InstanceIndex); + base_instance = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseInstance); } } if (info.loads_vertex_id) { if (profile.support_vertex_instance_id) { - vertex_id = DefineInput(*this, U32[1], spv::BuiltIn::VertexId); + vertex_id = DefineInput(*this, U32[1], true, spv::BuiltIn::VertexId); } else { - vertex_index = DefineInput(*this, U32[1], spv::BuiltIn::VertexIndex); - base_vertex = DefineInput(*this, U32[1], spv::BuiltIn::BaseVertex); + vertex_index = DefineInput(*this, U32[1], true, spv::BuiltIn::VertexIndex); + base_vertex = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseVertex); } } if (info.loads_front_face) { - front_face = DefineInput(*this, U1, spv::BuiltIn::FrontFacing); + front_face = DefineInput(*this, U1, true, spv::BuiltIn::FrontFacing); } if (info.loads_point_coord) { - point_coord = DefineInput(*this, F32[2], spv::BuiltIn::PointCoord); + point_coord = DefineInput(*this, F32[2], true, spv::BuiltIn::PointCoord); + } + if (info.loads_tess_coord) { + tess_coord = DefineInput(*this, F32[3], false, spv::BuiltIn::TessCoord); } for (size_t index = 0; index < info.input_generics.size(); ++index) { const InputVarying generic{info.input_generics[index]}; @@ -1038,7 +1061,7 @@ void EmitContext::DefineInputs(const Info& info) { continue; } const Id type{GetAttributeType(*this, input_type)}; - const Id id{DefineInput(*this, type)}; + const Id id{DefineInput(*this, type, true)}; Decorate(id, spv::Decoration::Location, static_cast<u32>(index)); Name(id, fmt::format("in_attr{}", index)); input_generics[index] = id; @@ -1059,58 +1082,98 @@ void EmitContext::DefineInputs(const Info& info) { break; } } + if (stage == Stage::TessellationEval) { + for (size_t index = 0; index < info.uses_patches.size(); ++index) { + if (!info.uses_patches[index]) { + continue; + } + const Id id{DefineInput(*this, F32[4], false)}; + Decorate(id, spv::Decoration::Patch); + Decorate(id, spv::Decoration::Location, static_cast<u32>(index)); + patches[index] = id; + } + } } -void EmitContext::DefineOutputs(const Info& info) { +void EmitContext::DefineOutputs(const IR::Program& program) { + const Info& info{program.info}; + const std::optional<u32> invocations{program.invocations}; if (info.stores_position || stage == Stage::VertexB) { - output_position = DefineOutput(*this, F32[4], spv::BuiltIn::Position); + output_position = DefineOutput(*this, F32[4], invocations, spv::BuiltIn::Position); } if (info.stores_point_size || profile.fixed_state_point_size) { if (stage == Stage::Fragment) { throw NotImplementedException("Storing PointSize in fragment stage"); } - output_point_size = DefineOutput(*this, F32[1], spv::BuiltIn::PointSize); + output_point_size = DefineOutput(*this, F32[1], invocations, spv::BuiltIn::PointSize); } if (info.stores_clip_distance) { if (stage == Stage::Fragment) { throw NotImplementedException("Storing ClipDistance in fragment stage"); } const Id type{TypeArray(F32[1], Constant(U32[1], 8U))}; - clip_distances = DefineOutput(*this, type, spv::BuiltIn::ClipDistance); + clip_distances = DefineOutput(*this, type, invocations, spv::BuiltIn::ClipDistance); } if (info.stores_layer && (profile.support_viewport_index_layer_non_geometry || stage == Stage::Geometry)) { if (stage == Stage::Fragment) { throw NotImplementedException("Storing Layer in fragment stage"); } - layer = DefineOutput(*this, U32[1], spv::BuiltIn::Layer); + layer = DefineOutput(*this, U32[1], invocations, spv::BuiltIn::Layer); } if (info.stores_viewport_index && (profile.support_viewport_index_layer_non_geometry || stage == Stage::Geometry)) { if (stage == Stage::Fragment) { throw NotImplementedException("Storing ViewportIndex in fragment stage"); } - viewport_index = DefineOutput(*this, U32[1], spv::BuiltIn::ViewportIndex); + viewport_index = DefineOutput(*this, U32[1], invocations, spv::BuiltIn::ViewportIndex); } for (size_t index = 0; index < info.stores_generics.size(); ++index) { if (info.stores_generics[index]) { - DefineGenericOutput(*this, index); + DefineGenericOutput(*this, index, invocations); } } - if (stage == Stage::Fragment) { + switch (stage) { + case Stage::TessellationControl: + if (info.stores_tess_level_outer) { + const Id type{TypeArray(F32[1], Constant(U32[1], 4))}; + output_tess_level_outer = + DefineOutput(*this, type, std::nullopt, spv::BuiltIn::TessLevelOuter); + Decorate(output_tess_level_outer, spv::Decoration::Patch); + } + if (info.stores_tess_level_inner) { + const Id type{TypeArray(F32[1], Constant(U32[1], 2))}; + output_tess_level_inner = + DefineOutput(*this, type, std::nullopt, spv::BuiltIn::TessLevelInner); + Decorate(output_tess_level_inner, spv::Decoration::Patch); + } + for (size_t index = 0; index < info.uses_patches.size(); ++index) { + if (!info.uses_patches[index]) { + continue; + } + const Id id{DefineOutput(*this, F32[4], std::nullopt)}; + Decorate(id, spv::Decoration::Patch); + Decorate(id, spv::Decoration::Location, static_cast<u32>(index)); + patches[index] = id; + } + break; + case Stage::Fragment: for (u32 index = 0; index < 8; ++index) { if (!info.stores_frag_color[index]) { continue; } - frag_color[index] = DefineOutput(*this, F32[4]); + frag_color[index] = DefineOutput(*this, F32[4], std::nullopt); Decorate(frag_color[index], spv::Decoration::Location, index); Name(frag_color[index], fmt::format("frag_color{}", index)); } if (info.stores_frag_depth) { - frag_depth = DefineOutput(*this, F32[1]); + frag_depth = DefineOutput(*this, F32[1], std::nullopt); Decorate(frag_depth, spv::Decoration::BuiltIn, spv::BuiltIn::FragDepth); Name(frag_depth, "frag_depth"); } + break; + default: + break; } } diff --git a/src/shader_recompiler/backend/spirv/emit_context.h b/src/shader_recompiler/backend/spirv/emit_context.h index 0da14d5f8..ba0a253b3 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.h +++ b/src/shader_recompiler/backend/spirv/emit_context.h @@ -147,6 +147,7 @@ public: Id workgroup_id{}; Id local_invocation_id{}; + Id invocation_id{}; Id is_helper_invocation{}; Id subgroup_local_invocation_id{}; Id subgroup_mask_eq{}; @@ -162,6 +163,7 @@ public: Id base_vertex{}; Id front_face{}; Id point_coord{}; + Id tess_coord{}; Id clip_distances{}; Id layer{}; Id viewport_index{}; @@ -204,6 +206,10 @@ public: Id output_position{}; std::array<std::array<GenericElementInfo, 4>, 32> output_generics{}; + Id output_tess_level_outer{}; + Id output_tess_level_inner{}; + std::array<Id, 30> patches{}; + std::array<Id, 8> frag_color{}; Id frag_depth{}; @@ -212,7 +218,7 @@ public: private: void DefineCommonTypes(const Info& info); void DefineCommonConstants(); - void DefineInterfaces(const Info& info); + void DefineInterfaces(const IR::Program& program); void DefineLocalMemory(const IR::Program& program); void DefineSharedMemory(const IR::Program& program); void DefineSharedMemoryFunctions(const IR::Program& program); @@ -226,7 +232,7 @@ private: void DefineLabels(IR::Program& program); void DefineInputs(const Info& info); - void DefineOutputs(const Info& info); + void DefineOutputs(const IR::Program& program); }; } // namespace Shader::Backend::SPIRV diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp index 3bf4c6a9e..105602ccf 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp @@ -45,6 +45,8 @@ ArgType Arg(EmitContext& ctx, const IR::Value& arg) { return arg.Label(); } else if constexpr (std::is_same_v<ArgType, IR::Attribute>) { return arg.Attribute(); + } else if constexpr (std::is_same_v<ArgType, IR::Patch>) { + return arg.Patch(); } else if constexpr (std::is_same_v<ArgType, IR::Reg>) { return arg.Reg(); } @@ -120,6 +122,30 @@ Id DefineMain(EmitContext& ctx, IR::Program& program) { return main; } +spv::ExecutionMode ExecutionMode(TessPrimitive primitive) { + switch (primitive) { + case TessPrimitive::Isolines: + return spv::ExecutionMode::Isolines; + case TessPrimitive::Triangles: + return spv::ExecutionMode::Triangles; + case TessPrimitive::Quads: + return spv::ExecutionMode::Quads; + } + throw InvalidArgument("Tessellation primitive {}", primitive); +} + +spv::ExecutionMode ExecutionMode(TessSpacing spacing) { + switch (spacing) { + case TessSpacing::Equal: + return spv::ExecutionMode::SpacingEqual; + case TessSpacing::FractionalOdd: + return spv::ExecutionMode::SpacingFractionalOdd; + case TessSpacing::FractionalEven: + return spv::ExecutionMode::SpacingFractionalEven; + } + throw InvalidArgument("Tessellation spacing {}", spacing); +} + void DefineEntryPoint(const IR::Program& program, EmitContext& ctx, Id main) { const std::span interfaces(ctx.interfaces.data(), ctx.interfaces.size()); spv::ExecutionModel execution_model{}; @@ -134,6 +160,19 @@ void DefineEntryPoint(const IR::Program& program, EmitContext& ctx, Id main) { case Stage::VertexB: execution_model = spv::ExecutionModel::Vertex; break; + case Stage::TessellationControl: + execution_model = spv::ExecutionModel::TessellationControl; + ctx.AddCapability(spv::Capability::Tessellation); + ctx.AddExecutionMode(main, spv::ExecutionMode::OutputVertices, program.invocations); + break; + case Stage::TessellationEval: + execution_model = spv::ExecutionModel::TessellationEvaluation; + ctx.AddCapability(spv::Capability::Tessellation); + ctx.AddExecutionMode(main, ExecutionMode(ctx.profile.tess_primitive)); + ctx.AddExecutionMode(main, ExecutionMode(ctx.profile.tess_spacing)); + ctx.AddExecutionMode(main, ctx.profile.tess_clockwise ? spv::ExecutionMode::VertexOrderCw + : spv::ExecutionMode::VertexOrderCcw); + break; case Stage::Geometry: execution_model = spv::ExecutionModel::Geometry; ctx.AddCapability(spv::Capability::Geometry); diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h index 55b2edba0..8caf30f1b 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.h +++ b/src/shader_recompiler/backend/spirv/emit_spirv.h @@ -55,6 +55,8 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex); void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value, Id vertex); Id EmitGetAttributeIndexed(EmitContext& ctx, Id offset, Id vertex); void EmitSetAttributeIndexed(EmitContext& ctx, Id offset, Id value, Id vertex); +Id EmitGetPatch(EmitContext& ctx, IR::Patch patch); +void EmitSetPatch(EmitContext& ctx, IR::Patch patch, Id value); void EmitSetFragColor(EmitContext& ctx, u32 index, u32 component, Id value); void EmitSetFragDepth(EmitContext& ctx, Id value); void EmitGetZFlag(EmitContext& ctx); @@ -67,6 +69,7 @@ void EmitSetCFlag(EmitContext& ctx); void EmitSetOFlag(EmitContext& ctx); Id EmitWorkgroupId(EmitContext& ctx); Id EmitLocalInvocationId(EmitContext& ctx); +Id EmitInvocationId(EmitContext& ctx); Id EmitIsHelperInvocation(EmitContext& ctx); Id EmitLoadLocal(EmitContext& ctx, Id word_offset); void EmitWriteLocal(EmitContext& ctx, Id word_offset, Id value); diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp index 59c56c5ba..4a1aeece5 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp @@ -32,13 +32,26 @@ std::optional<AttrInfo> AttrTypes(EmitContext& ctx, u32 index) { template <typename... Args> Id AttrPointer(EmitContext& ctx, Id pointer_type, Id vertex, Id base, Args&&... args) { - if (ctx.stage == Stage::Geometry) { + switch (ctx.stage) { + case Stage::TessellationControl: + case Stage::TessellationEval: + case Stage::Geometry: return ctx.OpAccessChain(pointer_type, base, vertex, std::forward<Args>(args)...); - } else { + default: return ctx.OpAccessChain(pointer_type, base, std::forward<Args>(args)...); } } +template <typename... Args> +Id OutputAccessChain(EmitContext& ctx, Id result_type, Id base, Args&&... args) { + if (ctx.stage == Stage::TessellationControl) { + const Id invocation_id{ctx.OpLoad(ctx.U32[1], ctx.invocation_id)}; + return ctx.OpAccessChain(result_type, base, invocation_id, std::forward<Args>(args)...); + } else { + return ctx.OpAccessChain(result_type, base, std::forward<Args>(args)...); + } +} + std::optional<Id> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) { if (IR::IsGeneric(attr)) { const u32 index{IR::GenericAttributeIndex(attr)}; @@ -49,7 +62,7 @@ std::optional<Id> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) { } else { const u32 index_element{element - info.first_element}; const Id index_id{ctx.Constant(ctx.U32[1], index_element)}; - return ctx.OpAccessChain(ctx.output_f32, info.id, index_id); + return OutputAccessChain(ctx, ctx.output_f32, info.id, index_id); } } switch (attr) { @@ -61,7 +74,7 @@ std::optional<Id> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) { case IR::Attribute::PositionW: { const u32 element{static_cast<u32>(attr) % 4}; const Id element_id{ctx.Constant(ctx.U32[1], element)}; - return ctx.OpAccessChain(ctx.output_f32, ctx.output_position, element_id); + return OutputAccessChain(ctx, ctx.output_f32, ctx.output_position, element_id); } case IR::Attribute::ClipDistance0: case IR::Attribute::ClipDistance1: @@ -74,7 +87,7 @@ std::optional<Id> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) { const u32 base{static_cast<u32>(IR::Attribute::ClipDistance0)}; const u32 index{static_cast<u32>(attr) - base}; const Id clip_num{ctx.Constant(ctx.U32[1], index)}; - return ctx.OpAccessChain(ctx.output_f32, ctx.clip_distances, clip_num); + return OutputAccessChain(ctx, ctx.output_f32, ctx.clip_distances, clip_num); } case IR::Attribute::Layer: return ctx.profile.support_viewport_index_layer_non_geometry || @@ -222,11 +235,18 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) { ctx.Constant(ctx.U32[1], std::numeric_limits<u32>::max()), ctx.u32_zero_value); case IR::Attribute::PointSpriteS: - return ctx.OpLoad(ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.point_coord, - ctx.u32_zero_value)); + return ctx.OpLoad(ctx.F32[1], + ctx.OpAccessChain(ctx.input_f32, ctx.point_coord, ctx.u32_zero_value)); case IR::Attribute::PointSpriteT: - return ctx.OpLoad(ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.point_coord, - ctx.Constant(ctx.U32[1], 1U))); + return ctx.OpLoad(ctx.F32[1], ctx.OpAccessChain(ctx.input_f32, ctx.point_coord, + ctx.Constant(ctx.U32[1], 1U))); + case IR::Attribute::TessellationEvaluationPointU: + return ctx.OpLoad(ctx.F32[1], + ctx.OpAccessChain(ctx.input_f32, ctx.tess_coord, ctx.u32_zero_value)); + case IR::Attribute::TessellationEvaluationPointV: + return ctx.OpLoad(ctx.F32[1], ctx.OpAccessChain(ctx.input_f32, ctx.tess_coord, + ctx.Constant(ctx.U32[1], 1U))); + default: throw NotImplementedException("Read attribute {}", attr); } @@ -240,9 +260,12 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value, [[maybe_un } Id EmitGetAttributeIndexed(EmitContext& ctx, Id offset, Id vertex) { - if (ctx.stage == Stage::Geometry) { + switch (ctx.stage) { + case Stage::TessellationControl: + case Stage::TessellationEval: + case Stage::Geometry: return ctx.OpFunctionCall(ctx.F32[1], ctx.indexed_load_func, offset, vertex); - } else { + default: return ctx.OpFunctionCall(ctx.F32[1], ctx.indexed_load_func, offset); } } @@ -251,6 +274,45 @@ void EmitSetAttributeIndexed(EmitContext& ctx, Id offset, Id value, [[maybe_unus ctx.OpFunctionCall(ctx.void_id, ctx.indexed_store_func, offset, value); } +Id EmitGetPatch(EmitContext& ctx, IR::Patch patch) { + if (!IR::IsGeneric(patch)) { + throw NotImplementedException("Non-generic patch load"); + } + const u32 index{IR::GenericPatchIndex(patch)}; + const Id element{ctx.Constant(ctx.U32[1], IR::GenericPatchElement(patch))}; + const Id pointer{ctx.OpAccessChain(ctx.input_f32, ctx.patches.at(index), element)}; + return ctx.OpLoad(ctx.F32[1], pointer); +} + +void EmitSetPatch(EmitContext& ctx, IR::Patch patch, Id value) { + const Id pointer{[&] { + if (IR::IsGeneric(patch)) { + const u32 index{IR::GenericPatchIndex(patch)}; + const Id element{ctx.Constant(ctx.U32[1], IR::GenericPatchElement(patch))}; + return ctx.OpAccessChain(ctx.output_f32, ctx.patches.at(index), element); + } + switch (patch) { + case IR::Patch::TessellationLodLeft: + case IR::Patch::TessellationLodRight: + case IR::Patch::TessellationLodTop: + case IR::Patch::TessellationLodBottom: { + const u32 index{static_cast<u32>(patch) - u32(IR::Patch::TessellationLodLeft)}; + const Id index_id{ctx.Constant(ctx.U32[1], index)}; + return ctx.OpAccessChain(ctx.output_f32, ctx.output_tess_level_outer, index_id); + } + case IR::Patch::TessellationLodInteriorU: + return ctx.OpAccessChain(ctx.output_f32, ctx.output_tess_level_inner, + ctx.u32_zero_value); + case IR::Patch::TessellationLodInteriorV: + return ctx.OpAccessChain(ctx.output_f32, ctx.output_tess_level_inner, + ctx.Constant(ctx.U32[1], 1u)); + default: + throw NotImplementedException("Patch {}", patch); + } + }()}; + ctx.OpStore(pointer, value); +} + void EmitSetFragColor(EmitContext& ctx, u32 index, u32 component, Id value) { const Id component_id{ctx.Constant(ctx.U32[1], component)}; const Id pointer{ctx.OpAccessChain(ctx.output_f32, ctx.frag_color.at(index), component_id)}; @@ -301,6 +363,10 @@ Id EmitLocalInvocationId(EmitContext& ctx) { return ctx.OpLoad(ctx.U32[3], ctx.local_invocation_id); } +Id EmitInvocationId(EmitContext& ctx) { + return ctx.OpLoad(ctx.U32[1], ctx.invocation_id); +} + Id EmitIsHelperInvocation(EmitContext& ctx) { return ctx.OpLoad(ctx.U1, ctx.is_helper_invocation); } |