diff options
9 files changed, 86 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp index 081b2c8e0..c0f5fc402 100644 --- a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp +++ b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp @@ -126,6 +126,22 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, Scal } } +void EmitGetAttributeU32(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, ScalarU32) { + switch (attr) { + case IR::Attribute::PrimitiveId: + ctx.Add("MOV.S {}.x,primitive.id;", inst); + break; + case IR::Attribute::InstanceId: + ctx.Add("MOV.S {}.x,{}.instance;", inst, ctx.attrib_name); + break; + case IR::Attribute::VertexId: + ctx.Add("MOV.S {}.x,{}.id;", inst, ctx.attrib_name); + break; + default: + throw NotImplementedException("Get U32 attribute {}", attr); + } +} + void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, ScalarF32 value, [[maybe_unused]] ScalarU32 vertex) { const u32 element{static_cast<u32>(attr) % 4}; diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h index 1f343bff5..b48007856 100644 --- a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h +++ b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h @@ -50,6 +50,7 @@ void EmitGetCbufU32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, void EmitGetCbufF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32 offset); void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32 offset); void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, ScalarU32 vertex); +void EmitGetAttributeU32(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, ScalarU32 vertex); void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, ScalarF32 value, ScalarU32 vertex); void EmitGetAttributeIndexed(EmitContext& ctx, IR::Inst& inst, ScalarS32 offset, ScalarU32 vertex); void EmitSetAttributeIndexed(EmitContext& ctx, ScalarU32 offset, ScalarF32 value, ScalarU32 vertex); diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp index 6477bd192..5ef46d634 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp +++ b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp @@ -221,6 +221,22 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, } } +void EmitGetAttributeU32(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, std::string_view) { + switch (attr) { + case IR::Attribute::PrimitiveId: + ctx.AddU32("{}=uint(gl_PrimitiveID);", inst); + break; + case IR::Attribute::InstanceId: + ctx.AddU32("{}=uint(gl_InstanceID);", inst); + break; + case IR::Attribute::VertexId: + ctx.AddU32("{}=uint(gl_VertexID);", inst); + break; + default: + throw NotImplementedException("Get U32 attribute {}", attr); + } +} + void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view value, [[maybe_unused]] std::string_view vertex) { if (IR::IsGeneric(attr)) { diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h index f86502e4c..6cabbc717 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h +++ b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h @@ -60,6 +60,8 @@ void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding const IR::Value& offset); void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, std::string_view vertex); +void EmitGetAttributeU32(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, + std::string_view vertex); void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view value, std::string_view vertex); void EmitGetAttributeIndexed(EmitContext& ctx, IR::Inst& inst, std::string_view offset, 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 14f470812..8ea730c80 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 @@ -355,6 +355,31 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) { } } +Id EmitGetAttributeU32(EmitContext& ctx, IR::Attribute attr, Id) { + switch (attr) { + case IR::Attribute::PrimitiveId: + return ctx.OpLoad(ctx.U32[1], ctx.primitive_id); + case IR::Attribute::InstanceId: + if (ctx.profile.support_vertex_instance_id) { + return ctx.OpLoad(ctx.U32[1], ctx.instance_id); + } else { + const Id index{ctx.OpLoad(ctx.U32[1], ctx.instance_index)}; + const Id base{ctx.OpLoad(ctx.U32[1], ctx.base_instance)}; + return ctx.OpISub(ctx.U32[1], index, base); + } + case IR::Attribute::VertexId: + if (ctx.profile.support_vertex_instance_id) { + return ctx.OpLoad(ctx.U32[1], ctx.vertex_id); + } else { + const Id index{ctx.OpLoad(ctx.U32[1], ctx.vertex_index)}; + const Id base{ctx.OpLoad(ctx.U32[1], ctx.base_vertex)}; + return ctx.OpISub(ctx.U32[1], index, base); + } + default: + throw NotImplementedException("Read U32 attribute {}", attr); + } +} + void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value, [[maybe_unused]] Id vertex) { const std::optional<OutAttr> output{OutputAttrPointer(ctx, attr)}; if (!output) { diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h b/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h index 6cd22dd3e..887112deb 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h +++ b/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h @@ -53,6 +53,7 @@ Id EmitGetCbufU32(EmitContext& ctx, const IR::Value& binding, const IR::Value& o Id EmitGetCbufF32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset); Id EmitGetCbufU32x2(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset); Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex); +Id EmitGetAttributeU32(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); diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc index 6929919df..b94ce7406 100644 --- a/src/shader_recompiler/frontend/ir/opcodes.inc +++ b/src/shader_recompiler/frontend/ir/opcodes.inc @@ -40,6 +40,7 @@ OPCODE(GetCbufU32, U32, U32, OPCODE(GetCbufF32, F32, U32, U32, ) OPCODE(GetCbufU32x2, U32x2, U32, U32, ) OPCODE(GetAttribute, F32, Attribute, U32, ) +OPCODE(GetAttributeU32, U32, Attribute, U32, ) OPCODE(SetAttribute, Void, Attribute, F32, U32, ) OPCODE(GetAttributeIndexed, F32, U32, U32, ) OPCODE(SetAttributeIndexed, Void, U32, F32, U32, ) diff --git a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp index 1e476d83d..a78c469be 100644 --- a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp +++ b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp @@ -389,6 +389,7 @@ void VisitUsages(Info& info, IR::Inst& inst) { info.uses_demote_to_helper_invocation = true; break; case IR::Opcode::GetAttribute: + case IR::Opcode::GetAttributeU32: info.loads.mask[static_cast<size_t>(inst.Arg(0).Attribute())] = true; break; case IR::Opcode::SetAttribute: diff --git a/src/shader_recompiler/ir_opt/constant_propagation_pass.cpp b/src/shader_recompiler/ir_opt/constant_propagation_pass.cpp index d089fdd12..c134a12bc 100644 --- a/src/shader_recompiler/ir_opt/constant_propagation_pass.cpp +++ b/src/shader_recompiler/ir_opt/constant_propagation_pass.cpp @@ -505,6 +505,29 @@ void FoldBitCast(IR::Inst& inst, IR::Opcode reverse) { return; } } + if constexpr (op == IR::Opcode::BitCastU32F32) { + // Workaround for new NVIDIA driver bug, where: + // uint attr = ftou(itof(gl_InstanceID)); + // always returned 0. + // We can instead manually optimize this and work around the driver bug: + // uint attr = uint(gl_InstanceID); + if (arg_inst->GetOpcode() == IR::Opcode::GetAttribute) { + const IR::Attribute attr{arg_inst->Arg(0).Attribute()}; + switch (attr) { + case IR::Attribute::PrimitiveId: + case IR::Attribute::InstanceId: + case IR::Attribute::VertexId: + break; + default: + return; + } + // Replace the bitcasts with an integer attribute get + inst.ReplaceOpcode(IR::Opcode::GetAttributeU32); + inst.SetArg(0, arg_inst->Arg(0)); + inst.SetArg(1, arg_inst->Arg(1)); + return; + } + } } void FoldInverseFunc(IR::Inst& inst, IR::Opcode reverse) { |