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shader_ir/memory: Emit AL2P IR
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@ -12,6 +12,8 @@
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#include "video_core/engines/shader_bytecode.h"
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#include "video_core/shader/shader_ir.h"
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#pragma optimize("", off)
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namespace VideoCommon::Shader {
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using Tegra::Shader::Attribute;
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@ -239,6 +241,21 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
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}
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break;
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}
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case OpCode::Id::AL2P: {
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// Ignore al2p.direction since we don't care about it.
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// Calculate emulation fake physical address.
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const Node fixed_address{Immediate(static_cast<u32>(instr.al2p.address))};
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const Node reg{GetRegister(instr.gpr8)};
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const Node fake_address{Operation(OperationCode::IAdd, NO_PRECISE, reg, fixed_address)};
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// Set the fake address to target register.
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SetRegister(bb, instr.gpr0, fake_address);
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// Signal the shader IR to declare all possible attributes and varyings
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use_physical_attributes = true;
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break;
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}
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default:
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UNIMPLEMENTED_MSG("Unhandled memory instruction: {}", opcode->get().GetName());
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}
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@ -615,6 +615,10 @@ public:
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return static_cast<std::size_t>(coverage_end * sizeof(u64));
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}
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bool HasPhysicalAttributes() const {
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return use_physical_attributes;
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}
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const Tegra::Shader::Header& GetHeader() const {
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return header;
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}
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@ -879,6 +883,7 @@ private:
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std::set<Sampler> used_samplers;
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std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances> used_clip_distances{};
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std::map<GlobalMemoryBase, GlobalMemoryUsage> used_global_memory;
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bool use_physical_attributes = true; // Shader uses AL2P
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Tegra::Shader::Header header;
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};
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