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glasm: Implement global memory fallbacks

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This commit is contained in:
ReinUsesLisp 2021-05-23 20:17:05 -03:00 committed by ameerj
parent 0794273870
commit c721767bcc
2 changed files with 89 additions and 50 deletions
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22
src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
View file

@ -79,17 +79,17 @@ void EmitUndefU8(EmitContext& ctx);
void EmitUndefU16(EmitContext& ctx);
void EmitUndefU32(EmitContext& ctx);
void EmitUndefU64(EmitContext& ctx);
void EmitLoadGlobalU8(EmitContext& ctx);
void EmitLoadGlobalS8(EmitContext& ctx);
void EmitLoadGlobalU16(EmitContext& ctx);
void EmitLoadGlobalS16(EmitContext& ctx);
void EmitLoadGlobal32(EmitContext& ctx, Register address);
void EmitLoadGlobal64(EmitContext& ctx, Register address);
void EmitLoadGlobal128(EmitContext& ctx, Register address);
void EmitWriteGlobalU8(EmitContext& ctx);
void EmitWriteGlobalS8(EmitContext& ctx);
void EmitWriteGlobalU16(EmitContext& ctx);
void EmitWriteGlobalS16(EmitContext& ctx);
void EmitLoadGlobalU8(EmitContext& ctx, IR::Inst& inst, Register address);
void EmitLoadGlobalS8(EmitContext& ctx, IR::Inst& inst, Register address);
void EmitLoadGlobalU16(EmitContext& ctx, IR::Inst& inst, Register address);
void EmitLoadGlobalS16(EmitContext& ctx, IR::Inst& inst, Register address);
void EmitLoadGlobal32(EmitContext& ctx, IR::Inst& inst, Register address);
void EmitLoadGlobal64(EmitContext& ctx, IR::Inst& inst, Register address);
void EmitLoadGlobal128(EmitContext& ctx, IR::Inst& inst, Register address);
void EmitWriteGlobalU8(EmitContext& ctx, Register address, Register value);
void EmitWriteGlobalS8(EmitContext& ctx, Register address, Register value);
void EmitWriteGlobalU16(EmitContext& ctx, Register address, Register value);
void EmitWriteGlobalS16(EmitContext& ctx, Register address, Register value);
void EmitWriteGlobal32(EmitContext& ctx, Register address, ScalarU32 value);
void EmitWriteGlobal64(EmitContext& ctx, Register address, Register value);
void EmitWriteGlobal128(EmitContext& ctx, Register address, Register value);

117
src/shader_recompiler/backend/glasm/emit_glasm_memory.cpp
View file

@ -29,8 +29,39 @@ void StorageOp(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
}
}
void GlobalStorageOp(EmitContext& ctx, Register address, std::string_view then_expr,
std::string_view else_expr = {}) {
const size_t num_buffers{ctx.info.storage_buffers_descriptors.size()};
for (size_t index = 0; index < num_buffers; ++index) {
if (!ctx.info.nvn_buffer_used[index]) {
continue;
}
const auto& ssbo{ctx.info.storage_buffers_descriptors[index]};
ctx.Add("LDC.U64 DC.x,c[{}];" // ssbo_addr
"LDC.U32 RC.x,c[{}];" // ssbo_size_u32
"CVT.U64.U32 DC.y,RC.x;" // ssbo_size = ssbo_size_u32
"ADD.U64 DC.y,DC.y,DC.x;" // ssbo_end = ssbo_addr + ssbo_size
"SGE.U64 RC.x,{}.x,DC.x;" // a = input_addr >= ssbo_addr ? -1 : 1
"SLT.U64 RC.y,{}.x,DC.y;" // b = input_addr < ssbo_end ? -1 : 1
"AND.U.CC RC.x,RC.x,RC.y;"
"IF NE.x;" // a && b
"SUB.U64 DC.x,{}.x,DC.x;" // offset = input_addr - ssbo_addr
"PK64.U DC.y,c[{}];" // host_ssbo = cbuf
"ADD.U64 DC.x,DC.x,DC.y;" // host_addr = host_ssbo + offset
"{}",
"ELSE;", index, index, ssbo.cbuf_offset, ssbo.cbuf_offset + 8, address, address,
address, index, then_expr);
}
if (!else_expr.empty()) {
ctx.Add("{}", else_expr);
}
for (size_t index = 0; index < num_buffers; ++index) {
ctx.Add("ENDIF;");
}
}
template <typename ValueType>
void Store(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset, ValueType value,
void Write(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset, ValueType value,
std::string_view size) {
StorageOp(ctx, binding, offset, fmt::format("STORE.{} {},DC.x;", size, value));
}
@ -41,65 +72,73 @@ void Load(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32
StorageOp(ctx, binding, offset, fmt::format("LOAD.{} {},DC.x;", size, ret),
fmt::format("MOV.U {},{{0,0,0,0}};", ret));
}
template <typename ValueType>
void GlobalWrite(EmitContext& ctx, Register address, ValueType value, std::string_view size) {
GlobalStorageOp(ctx, address, fmt::format("STORE.{} {},DC.x;", size, value));
}
void GlobalLoad(EmitContext& ctx, IR::Inst& inst, Register address, std::string_view size) {
const Register ret{ctx.reg_alloc.Define(inst)};
GlobalStorageOp(ctx, address, fmt::format("LOAD.{} {},DC.x;", size, ret),
fmt::format("MOV.S {},0;", ret));
}
} // Anonymous namespace
void EmitLoadGlobalU8([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
void EmitLoadGlobalU8(EmitContext& ctx, IR::Inst& inst, Register address) {
GlobalLoad(ctx, inst, address, "U8");
}
void EmitLoadGlobalS8([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
void EmitLoadGlobalS8(EmitContext& ctx, IR::Inst& inst, Register address) {
GlobalLoad(ctx, inst, address, "S8");
}
void EmitLoadGlobalU16([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
void EmitLoadGlobalU16(EmitContext& ctx, IR::Inst& inst, Register address) {
GlobalLoad(ctx, inst, address, "U16");
}
void EmitLoadGlobalS16([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
void EmitLoadGlobalS16(EmitContext& ctx, IR::Inst& inst, Register address) {
GlobalLoad(ctx, inst, address, "S16");
}
void EmitLoadGlobal32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address) {
throw NotImplementedException("GLASM instruction");
void EmitLoadGlobal32(EmitContext& ctx, IR::Inst& inst, Register address) {
GlobalLoad(ctx, inst, address, "U32");
}
void EmitLoadGlobal64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address) {
throw NotImplementedException("GLASM instruction");
void EmitLoadGlobal64(EmitContext& ctx, IR::Inst& inst, Register address) {
GlobalLoad(ctx, inst, address, "U32X2");
}
void EmitLoadGlobal128([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address) {
throw NotImplementedException("GLASM instruction");
void EmitLoadGlobal128(EmitContext& ctx, IR::Inst& inst, Register address) {
GlobalLoad(ctx, inst, address, "U32X4");
}
void EmitWriteGlobalU8([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
void EmitWriteGlobalU8(EmitContext& ctx, Register address, Register value) {
GlobalWrite(ctx, address, value, "U8");
}
void EmitWriteGlobalS8([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
void EmitWriteGlobalS8(EmitContext& ctx, Register address, Register value) {
GlobalWrite(ctx, address, value, "S8");
}
void EmitWriteGlobalU16([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
void EmitWriteGlobalU16(EmitContext& ctx, Register address, Register value) {
GlobalWrite(ctx, address, value, "U16");
}
void EmitWriteGlobalS16([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
void EmitWriteGlobalS16(EmitContext& ctx, Register address, Register value) {
GlobalWrite(ctx, address, value, "S16");
}
void EmitWriteGlobal32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address,
[[maybe_unused]] ScalarU32 value) {
throw NotImplementedException("GLASM instruction");
void EmitWriteGlobal32(EmitContext& ctx, Register address, ScalarU32 value) {
GlobalWrite(ctx, address, value, "U32");
}
void EmitWriteGlobal64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address,
[[maybe_unused]] Register value) {
throw NotImplementedException("GLASM instruction");
void EmitWriteGlobal64(EmitContext& ctx, Register address, Register value) {
GlobalWrite(ctx, address, value, "U32X2");
}
void EmitWriteGlobal128([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address,
[[maybe_unused]] Register value) {
throw NotImplementedException("GLASM instruction");
void EmitWriteGlobal128(EmitContext& ctx, Register address, Register value) {
GlobalWrite(ctx, address, value, "U32X4");
}
void EmitLoadStorageU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
@ -139,37 +178,37 @@ void EmitLoadStorage128(EmitContext& ctx, IR::Inst& inst, const IR::Value& bindi
void EmitWriteStorageU8(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
ScalarU32 value) {
Store(ctx, binding, offset, value, "U8");
Write(ctx, binding, offset, value, "U8");
}
void EmitWriteStorageS8(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
ScalarS32 value) {
Store(ctx, binding, offset, value, "S8");
Write(ctx, binding, offset, value, "S8");
}
void EmitWriteStorageU16(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
ScalarU32 value) {
Store(ctx, binding, offset, value, "U16");
Write(ctx, binding, offset, value, "U16");
}
void EmitWriteStorageS16(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
ScalarS32 value) {
Store(ctx, binding, offset, value, "S16");
Write(ctx, binding, offset, value, "S16");
}
void EmitWriteStorage32(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
ScalarU32 value) {
Store(ctx, binding, offset, value, "U32");
Write(ctx, binding, offset, value, "U32");
}
void EmitWriteStorage64(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
Register value) {
Store(ctx, binding, offset, value, "U32X2");
Write(ctx, binding, offset, value, "U32X2");
}
void EmitWriteStorage128(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
Register value) {
Store(ctx, binding, offset, value, "U32X4");
Write(ctx, binding, offset, value, "U32X4");
}
} // namespace Shader::Backend::GLASM