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shader_ir/memory: Emit AL2P IR

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This commit is contained in:
ReinUsesLisp
2019-04-29 23:28:28 -03:00
parent 7632a7d6d2
commit 002ecbea19
2 changed files with 22 additions and 0 deletions
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17
src/video_core/shader/decode/memory.cpp
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@ -12,6 +12,8 @@
#include "video_core/engines/shader_bytecode.h"
#include "video_core/shader/shader_ir.h"
#pragma optimize("", off)
namespace VideoCommon::Shader {
using Tegra::Shader::Attribute;
@ -239,6 +241,21 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
}
break;
}
case OpCode::Id::AL2P: {
// Ignore al2p.direction since we don't care about it.
// Calculate emulation fake physical address.
const Node fixed_address{Immediate(static_cast<u32>(instr.al2p.address))};
const Node reg{GetRegister(instr.gpr8)};
const Node fake_address{Operation(OperationCode::IAdd, NO_PRECISE, reg, fixed_address)};
// Set the fake address to target register.
SetRegister(bb, instr.gpr0, fake_address);
// Signal the shader IR to declare all possible attributes and varyings
use_physical_attributes = true;
break;
}
default:
UNIMPLEMENTED_MSG("Unhandled memory instruction: {}", opcode->get().GetName());
}