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Merge pull request #2784 from ReinUsesLisp/smem

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shader_ir: Implement shared memory
This commit is contained in:
bunnei 2019-09-18 16:26:05 -04:00 • committed by GitHub
commit b31880dc5e
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 81 additions and 21 deletions
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23
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -325,6 +325,7 @@ public:
DeclareRegisters();
DeclarePredicates();
DeclareLocalMemory();
DeclareSharedMemory();
DeclareInternalFlags();
DeclareInputAttributes();
DeclareOutputAttributes();
@ -499,6 +500,13 @@ private:
code.AddNewLine();
}
void DeclareSharedMemory() {
if (stage != ProgramType::Compute) {
return;
}
code.AddLine("shared uint {}[];", GetSharedMemory());
}
void DeclareInternalFlags() {
for (u32 flag = 0; flag < static_cast<u32>(InternalFlag::Amount); flag++) {
const auto flag_code = static_cast<InternalFlag>(flag);
@ -881,6 +889,12 @@ private:
Type::Uint};
}
if (const auto smem = std::get_if<SmemNode>(&*node)) {
return {
fmt::format("{}[{} >> 2]", GetSharedMemory(), Visit(smem->GetAddress()).AsUint()),
Type::Uint};
}
if (const auto internal_flag = std::get_if<InternalFlagNode>(&*node)) {
return {GetInternalFlag(internal_flag->GetFlag()), Type::Bool};
}
@ -1286,6 +1300,11 @@ private:
target = {
fmt::format("{}[{} >> 2]", GetLocalMemory(), Visit(lmem->GetAddress()).AsUint()),
Type::Uint};
} else if (const auto smem = std::get_if<SmemNode>(&*dest)) {
ASSERT(stage == ProgramType::Compute);
target = {
fmt::format("{}[{} >> 2]", GetSharedMemory(), Visit(smem->GetAddress()).AsUint()),
Type::Uint};
} else if (const auto gmem = std::get_if<GmemNode>(&*dest)) {
const std::string real = Visit(gmem->GetRealAddress()).AsUint();
const std::string base = Visit(gmem->GetBaseAddress()).AsUint();
@ -2175,6 +2194,10 @@ private:
return "lmem_" + suffix;
}
std::string GetSharedMemory() const {
return fmt::format("smem_{}", suffix);
}
std::string GetInternalFlag(InternalFlag flag) const {
constexpr std::array InternalFlagNames = {"zero_flag", "sign_flag", "carry_flag",
"overflow_flag"};