From 1d51803169f72f79e19995072fb9e8a371dbdcbf Mon Sep 17 00:00:00 2001 From: FernandoS27 Date: Sun, 4 Apr 2021 06:47:14 +0200 Subject: shader: Implement indexed attributes --- .../backend/spirv/emit_context.cpp | 124 +++++++++++++++++++++ src/shader_recompiler/backend/spirv/emit_context.h | 4 + src/shader_recompiler/backend/spirv/emit_spirv.h | 4 +- .../backend/spirv/emit_spirv_context_get_set.cpp | 8 +- 4 files changed, 134 insertions(+), 6 deletions(-) (limited to 'src/shader_recompiler/backend') diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp index 002b305dc..eadecb064 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/emit_context.cpp @@ -82,6 +82,28 @@ Id GetAttributeType(EmitContext& ctx, AttributeType type) { } throw InvalidArgument("Invalid attribute type {}", type); } + +struct AttrInfo { + Id pointer; + Id id; + bool needs_cast; +}; + +std::optional AttrTypes(EmitContext& ctx, u32 index) { + const AttributeType type{ctx.profile.generic_input_types.at(index)}; + switch (type) { + case AttributeType::Float: + return AttrInfo{ctx.input_f32, ctx.F32[1], false}; + case AttributeType::UnsignedInt: + return AttrInfo{ctx.input_u32, ctx.U32[1], true}; + case AttributeType::SignedInt: + return AttrInfo{ctx.input_s32, ctx.TypeInt(32, true), true}; + case AttributeType::Disabled: + return std::nullopt; + } + throw InvalidArgument("Invalid attribute type {}", type); +} + } // Anonymous namespace void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name) { @@ -107,6 +129,7 @@ EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& bin DefineConstantBuffers(program.info, binding); DefineStorageBuffers(program.info, binding); DefineTextures(program.info, binding); + DefineAttributeMemAccess(program.info); DefineLabels(program); } @@ -290,6 +313,107 @@ void EmitContext::DefineSharedMemory(const IR::Program& program) { } } +void EmitContext::DefineAttributeMemAccess(const Info& info) { + const auto make_load{[&]() { + const Id end_block{OpLabel()}; + const Id default_label{OpLabel()}; + + const Id func_type_load{TypeFunction(F32[1], U32[1])}; + const Id func{OpFunction(F32[1], spv::FunctionControlMask::MaskNone, func_type_load)}; + const Id offset{OpFunctionParameter(U32[1])}; + AddLabel(); + const Id base_index{OpShiftRightLogical(U32[1], offset, Constant(U32[1], 2U))}; + const Id masked_index{OpBitwiseAnd(U32[1], base_index, Constant(U32[1], 3U))}; + const Id compare_index{OpShiftRightLogical(U32[1], base_index, Constant(U32[1], 2U))}; + std::vector literals; + std::vector labels; + const u32 base_attribute_value = static_cast(IR::Attribute::Generic0X) >> 2; + for (u32 i = 0; i < info.input_generics.size(); i++) { + if (!info.input_generics[i].used) { + continue; + } + literals.push_back(base_attribute_value + i); + labels.push_back(OpLabel()); + } + OpSelectionMerge(end_block, spv::SelectionControlMask::MaskNone); + OpSwitch(compare_index, default_label, literals, labels); + AddLabel(default_label); + OpReturnValue(Constant(F32[1], 0.0f)); + size_t label_index = 0; + for (u32 i = 0; i < info.input_generics.size(); i++) { + if (!info.input_generics[i].used) { + continue; + } + AddLabel(labels[label_index]); + const auto type{AttrTypes(*this, i)}; + if (!type) { + OpReturnValue(Constant(F32[1], 0.0f)); + label_index++; + continue; + } + const Id generic_id{input_generics.at(i)}; + const Id pointer{OpAccessChain(type->pointer, generic_id, masked_index)}; + const Id value{OpLoad(type->id, pointer)}; + const Id result{type->needs_cast ? OpBitcast(F32[1], value) : value}; + OpReturnValue(result); + label_index++; + } + AddLabel(end_block); + OpUnreachable(); + OpFunctionEnd(); + return func; + }}; + const auto make_store{[&]() { + const Id end_block{OpLabel()}; + const Id default_label{OpLabel()}; + + const Id func_type_store{TypeFunction(void_id, U32[1], F32[1])}; + const Id func{OpFunction(void_id, spv::FunctionControlMask::MaskNone, func_type_store)}; + const Id offset{OpFunctionParameter(U32[1])}; + const Id store_value{OpFunctionParameter(F32[1])}; + AddLabel(); + const Id base_index{OpShiftRightLogical(U32[1], offset, Constant(U32[1], 2U))}; + const Id masked_index{OpBitwiseAnd(U32[1], base_index, Constant(U32[1], 3U))}; + const Id compare_index{OpShiftRightLogical(U32[1], base_index, Constant(U32[1], 2U))}; + std::vector literals; + std::vector labels; + const u32 base_attribute_value = static_cast(IR::Attribute::Generic0X) >> 2; + for (u32 i = 0; i < info.stores_generics.size(); i++) { + if (!info.stores_generics[i]) { + continue; + } + literals.push_back(base_attribute_value + i); + labels.push_back(OpLabel()); + } + OpSelectionMerge(end_block, spv::SelectionControlMask::MaskNone); + OpSwitch(compare_index, default_label, literals, labels); + AddLabel(default_label); + OpReturn(); + size_t label_index = 0; + for (u32 i = 0; i < info.stores_generics.size(); i++) { + if (!info.stores_generics[i]) { + continue; + } + AddLabel(labels[label_index]); + const Id generic_id{output_generics.at(i)}; + const Id pointer{OpAccessChain(output_f32, generic_id, masked_index)}; + OpStore(pointer, store_value); + OpReturn(); + label_index++; + } + AddLabel(end_block); + OpUnreachable(); + OpFunctionEnd(); + return func; + }}; + if (info.loads_indexed_attributes) { + indexed_load_func = make_load(); + } + if (info.stores_indexed_attributes) { + indexed_store_func = make_store(); + } +} + void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) { if (info.constant_buffer_descriptors.empty()) { return; diff --git a/src/shader_recompiler/backend/spirv/emit_context.h b/src/shader_recompiler/backend/spirv/emit_context.h index 03c5a6aba..7a2ac0511 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.h +++ b/src/shader_recompiler/backend/spirv/emit_context.h @@ -116,6 +116,9 @@ public: Id fswzadd_lut_a{}; Id fswzadd_lut_b{}; + Id indexed_load_func{}; + Id indexed_store_func{}; + Id local_memory{}; Id shared_memory_u8{}; @@ -148,6 +151,7 @@ private: void DefineConstantBuffers(const Info& info, u32& binding); void DefineStorageBuffers(const Info& info, u32& binding); void DefineTextures(const Info& info, u32& binding); + void DefineAttributeMemAccess(const Info& info); void DefineLabels(IR::Program& program); void DefineConstantBuffers(const Info& info, Id UniformDefinitions::*member_type, u32 binding, diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h index 712c5e61f..08460c94e 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.h +++ b/src/shader_recompiler/backend/spirv/emit_spirv.h @@ -51,8 +51,8 @@ Id EmitGetCbufF32(EmitContext& ctx, const IR::Value& binding, const IR::Value& o Id EmitGetCbufU32x2(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset); Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr); void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value); -void EmitGetAttributeIndexed(EmitContext& ctx); -void EmitSetAttributeIndexed(EmitContext& ctx); +Id EmitGetAttributeIndexed(EmitContext& ctx, Id offset); +void EmitSetAttributeIndexed(EmitContext& ctx, Id offset, Id value); void EmitSetFragColor(EmitContext& ctx, u32 index, u32 component, Id value); void EmitSetFragDepth(EmitContext& ctx, Id value); void EmitGetZFlag(EmitContext& ctx); 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 1bfc60294..a60eca815 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 @@ -216,12 +216,12 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value) { ctx.OpStore(*output, value); } -void EmitGetAttributeIndexed(EmitContext&) { - throw NotImplementedException("SPIR-V Instruction"); +Id EmitGetAttributeIndexed(EmitContext& ctx, Id offset) { + return ctx.OpFunctionCall(ctx.F32[1], ctx.indexed_load_func, offset); } -void EmitSetAttributeIndexed(EmitContext&) { - throw NotImplementedException("SPIR-V Instruction"); +void EmitSetAttributeIndexed(EmitContext& ctx, Id offset, Id value) { + ctx.OpFunctionCall(ctx.void_id, ctx.indexed_store_func, offset, value); } void EmitSetFragColor(EmitContext& ctx, u32 index, u32 component, Id value) { -- cgit v1.2.3