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glsl: Better Storage access and wip warps

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This commit is contained in:
ameerj 2021-05-28 21:24:52 -04:00
parent 86d4a05cec
commit 8ba814efb2
8 changed files with 133 additions and 62 deletions
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4
src/shader_recompiler/backend/glsl/emit_context.cpp
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@ -122,6 +122,10 @@ void EmitContext::SetupExtensions(std::string&) {
header += "#extension GL_AMD_gpu_shader_half_float : enable\n";
}
}
if (info.uses_subgroup_invocation_id || info.uses_subgroup_mask || info.uses_subgroup_vote ||
info.uses_subgroup_shuffles || info.uses_fswzadd) {
header += "#extension GL_ARB_shader_ballot : enable\n";
}
}
void EmitContext::DefineConstantBuffers(Bindings& bindings) {

5
src/shader_recompiler/backend/glsl/emit_glsl.cpp
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@ -183,8 +183,11 @@ std::string EmitGLSL(const Profile& profile, const RuntimeInfo& runtime_info, IR
for (size_t index = 0; index < ctx.reg_alloc.num_used_registers; ++index) {
ctx.header += fmt::format("{} R{};", ctx.reg_alloc.reg_types[index], index);
}
// TODO: track CC usage
// TODO: track usage
ctx.header += "uint carry;";
if (program.info.uses_subgroup_shuffles) {
ctx.header += "bool shfl_in_bounds;\n";
}
ctx.code.insert(0, ctx.header);
ctx.code += "}";
fmt::print("\n{}\n", ctx.code);

16
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
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@ -20,22 +20,26 @@ char OffsetSwizzle(u32 offset) {
}
} // namespace
void EmitGetCbufU8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] const IR::Value& binding,
void EmitGetCbufU8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
throw NotImplementedException("GLSL");
}
void EmitGetCbufS8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] const IR::Value& binding,
void EmitGetCbufS8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
throw NotImplementedException("GLSL");
}
void EmitGetCbufU16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] const IR::Value& binding,
void EmitGetCbufU16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
throw NotImplementedException("GLSL");
}
void EmitGetCbufS16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] const IR::Value& binding,
void EmitGetCbufS16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
throw NotImplementedException("GLSL");
}
@ -151,4 +155,8 @@ void EmitSetFragColor(EmitContext& ctx, u32 index, u32 component, std::string_vi
ctx.Add("frag_color{}.{}={};", index, swizzle, value);
}
void EmitLocalInvocationId(EmitContext& ctx, IR::Inst& inst) {
ctx.AddU32x3("{}=gl_LocalInvocationID;", inst);
}
} // namespace Shader::Backend::GLSL

26
src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
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@ -52,10 +52,14 @@ void EmitSetGotoVariable(EmitContext& ctx);
void EmitGetGotoVariable(EmitContext& ctx);
void EmitSetIndirectBranchVariable(EmitContext& ctx);
void EmitGetIndirectBranchVariable(EmitContext& ctx);
void EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitGetCbufS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitGetCbufU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitGetCbufS16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset);
void EmitGetCbufS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset);
void EmitGetCbufU16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset);
void EmitGetCbufS16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset);
void EmitGetCbufU32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset);
void EmitGetCbufF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
@ -83,7 +87,7 @@ void EmitSetSFlag(EmitContext& ctx);
void EmitSetCFlag(EmitContext& ctx);
void EmitSetOFlag(EmitContext& ctx);
void EmitWorkgroupId(EmitContext& ctx);
void EmitLocalInvocationId(EmitContext& ctx);
void EmitLocalInvocationId(EmitContext& ctx, IR::Inst& inst);
void EmitInvocationId(EmitContext& ctx);
void EmitSampleId(EmitContext& ctx);
void EmitIsHelperInvocation(EmitContext& ctx);
@ -109,10 +113,14 @@ void EmitWriteGlobalS16(EmitContext& ctx);
void EmitWriteGlobal32(EmitContext& ctx, std::string_view address, std::string_view value);
void EmitWriteGlobal64(EmitContext& ctx, std::string_view address, std::string_view value);
void EmitWriteGlobal128(EmitContext& ctx, std::string_view address, std::string_view value);
void EmitLoadStorageU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitLoadStorageS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitLoadStorageU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitLoadStorageS16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitLoadStorageU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset);
void EmitLoadStorageS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset);
void EmitLoadStorageU16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset);
void EmitLoadStorageS16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset);
void EmitLoadStorage32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset);
void EmitLoadStorage64(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,

4
src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
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@ -156,12 +156,12 @@ void EmitBitwiseNot32(EmitContext& ctx, IR::Inst& inst, std::string_view value)
void EmitFindSMsb32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
[[maybe_unused]] std::string_view value) {
throw NotImplementedException("GLSL Instruction");
ctx.AddU32("{}=findMSB(int({}));", inst, value);
}
void EmitFindUMsb32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
[[maybe_unused]] std::string_view value) {
throw NotImplementedException("GLSL Instruction");
ctx.AddU32("{}=findMSB(uint({}));", inst, value);
}
void EmitSMin32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {

72
src/shader_recompiler/backend/glsl/emit_glsl_memory.cpp
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@ -8,45 +8,55 @@
#include "shader_recompiler/frontend/ir/value.h"
namespace Shader::Backend::GLSL {
void EmitLoadStorageU8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
throw NotImplementedException("GLSL Instrucion");
}
void EmitLoadStorageS8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
throw NotImplementedException("GLSL Instrucion");
}
void EmitLoadStorageU16([[maybe_unused]] EmitContext& ctx,
void EmitLoadStorageU8([[maybe_unused]] EmitContext& ctx, IR::Inst& inst,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
throw NotImplementedException("GLSL Instrucion");
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.AddU32("{}=bitfieldExtract(ssbo{}[{}/4],int({}%4)*8,8);", inst, binding.U32(), offset_var,
offset_var);
}
void EmitLoadStorageS16([[maybe_unused]] EmitContext& ctx,
void EmitLoadStorageS8([[maybe_unused]] EmitContext& ctx, IR::Inst& inst,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
throw NotImplementedException("GLSL Instrucion");
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.AddS32("{}=bitfieldExtract(int(ssbo{}[{}/4]),int({}%4)*8,8);", inst, binding.U32(),
offset_var, offset_var);
}
void EmitLoadStorageU16([[maybe_unused]] EmitContext& ctx, IR::Inst& inst,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.AddU32("{}=bitfieldExtract(ssbo{}[{}/4],int(({}/2)%2)*16,16);", inst, binding.U32(),
offset_var, offset_var);
}
void EmitLoadStorageS16([[maybe_unused]] EmitContext& ctx, IR::Inst& inst,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.AddS32("{}=bitfieldExtract(int(ssbo{}[{}/4]),int(({}/2)%2)*16,16);", inst, binding.U32(),
offset_var, offset_var);
}
void EmitLoadStorage32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) {
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.AddU32("{}=ssbo{}[{}];", inst, binding.U32(), offset_var);
ctx.AddU32("{}=ssbo{}[{}/4];", inst, binding.U32(), offset_var);
}
void EmitLoadStorage64(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) {
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.AddU32x2("{}=uvec2(ssbo{}[{}],ssbo{}[{}+1]);", inst, binding.U32(), offset_var,
ctx.AddU32x2("{}=uvec2(ssbo{}[{}/4],ssbo{}[{}/4+1]);", inst, binding.U32(), offset_var,
binding.U32(), offset_var);
}
void EmitLoadStorage128(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) {
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.AddU32x4("{}=uvec4(ssbo{}[{}],ssbo{}[{}+1],ssbo{}[{}+2],ssbo{}[{}+3]);", inst,
ctx.AddU32x4("{}=uvec4(ssbo{}[{}/4],ssbo{}[{}/4+1],ssbo{}[{}/4+2],ssbo{}[{}/4+3]);", inst,
binding.U32(), offset_var, binding.U32(), offset_var, binding.U32(), offset_var,
binding.U32(), offset_var);
}
@ -55,47 +65,59 @@ void EmitWriteStorageU8([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset,
[[maybe_unused]] std::string_view value) {
throw NotImplementedException("GLSL Instrucion");
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.Add("ssbo{}[{}/4]=bitfieldInsert(ssbo{}[{}/4],{},int({}%4)*8,8);", binding.U32(),
offset_var, binding.U32(), offset_var, value, offset_var);
}
void EmitWriteStorageS8([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset,
[[maybe_unused]] std::string_view value) {
throw NotImplementedException("GLSL Instrucion");
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.Add("ssbo{}[{}/4]=bitfieldInsert(ssbo{}[{}/4],{},int({}%4)*8,8);", binding.U32(),
offset_var, binding.U32(), offset_var, value, offset_var);
}
void EmitWriteStorageU16([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset,
[[maybe_unused]] std::string_view value) {
throw NotImplementedException("GLSL Instrucion");
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.Add("ssbo{}[{}/4]=bitfieldInsert(ssbo{}[{}/4],{},int(({}/2)%2)*16,16);", binding.U32(),
offset_var, binding.U32(), offset_var, value, offset_var);
}
void EmitWriteStorageS16([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset,
[[maybe_unused]] std::string_view value) {
throw NotImplementedException("GLSL Instrucion");
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.Add("ssbo{}[{}/4]=bitfieldInsert(ssbo{}[{}/4],{},int(({}/2)%2)*16,16);", binding.U32(),
offset_var, binding.U32(), offset_var, value, offset_var);
}
void EmitWriteStorage32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
std::string_view value) {
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.Add("ssbo{}[{}]={};", binding.U32(), offset_var, value);
ctx.Add("ssbo{}[{}/4]={};", binding.U32(), offset_var, value);
}
void EmitWriteStorage64(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
std::string_view value) {
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.Add("ssbo{}[{}]={}.x;", binding.U32(), offset_var, value);
ctx.Add("ssbo{}[{}+1]={}.y;", binding.U32(), offset_var, value);
ctx.Add("ssbo{}[{}/4]={}.x;", binding.U32(), offset_var, value);
ctx.Add("ssbo{}[({}/4)+1]={}.y;", binding.U32(), offset_var, value);
}
void EmitWriteStorage128([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset,
[[maybe_unused]] std::string_view value) {
throw NotImplementedException("GLSL Instrucion");
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.Add("ssbo{}[{}/4]={}.x;", binding.U32(), offset_var, value);
ctx.Add("ssbo{}[({}/4)+1]={}.y;", binding.U32(), offset_var, value);
ctx.Add("ssbo{}[({}/4)+2]={}.z;", binding.U32(), offset_var, value);
ctx.Add("ssbo{}[({}/4)+3]={}.w;", binding.U32(), offset_var, value);
}
} // namespace Shader::Backend::GLSL

27
src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp
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@ -206,10 +206,6 @@ void EmitWorkgroupId(EmitContext& ctx) {
NotImplemented();
}
void EmitLocalInvocationId(EmitContext& ctx) {
NotImplemented();
}
void EmitInvocationId(EmitContext& ctx) {
NotImplemented();
}
@ -626,27 +622,4 @@ void EmitSubgroupGeMask(EmitContext& ctx) {
NotImplemented();
}
void EmitShuffleIndex(EmitContext& ctx, IR::Inst& inst, std::string_view value,
std::string_view index, std::string_view clamp,
std::string_view segmentation_mask) {
NotImplemented();
}
void EmitShuffleUp(EmitContext& ctx, IR::Inst& inst, std::string_view value, std::string_view index,
std::string_view clamp, std::string_view segmentation_mask) {
NotImplemented();
}
void EmitShuffleDown(EmitContext& ctx, IR::Inst& inst, std::string_view value,
std::string_view index, std::string_view clamp,
std::string_view segmentation_mask) {
NotImplemented();
}
void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, std::string_view value,
std::string_view index, std::string_view clamp,
std::string_view segmentation_mask) {
NotImplemented();
}
} // namespace Shader::Backend::GLSL

53
src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp
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@ -8,6 +8,59 @@
#include "shader_recompiler/frontend/ir/value.h"
namespace Shader::Backend::GLSL {
namespace {
void SetInBoundsFlag(EmitContext& ctx, IR::Inst& inst) {
IR::Inst* const in_bounds{inst.GetAssociatedPseudoOperation(IR::Opcode::GetInBoundsFromOp)};
if (!in_bounds) {
return;
}
ctx.AddU1("{}=shfl_in_bounds;", *in_bounds);
in_bounds->Invalidate();
}
} // namespace
void EmitShuffleIndex(EmitContext& ctx, IR::Inst& inst, std::string_view value,
std::string_view index, std::string_view clamp,
std::string_view segmentation_mask) {
ctx.Add("shfl_in_bounds=int(gl_SubGroupInvocationARB-{})>=int((gl_SubGroupInvocationARB&{})|({}"
"&~{}));",
index, segmentation_mask, clamp, segmentation_mask);
SetInBoundsFlag(ctx, inst);
ctx.AddU32("{}=shfl_in_bounds?{}:gl_SubGroupInvocationARB-{};", inst, value, index);
}
void EmitShuffleUp(EmitContext& ctx, IR::Inst& inst, std::string_view value, std::string_view index,
std::string_view clamp, std::string_view segmentation_mask) {
ctx.Add("shfl_in_bounds=int(gl_SubGroupInvocationARB-{})>=int((gl_SubGroupInvocationARB&{})|({}"
"&~{}));",
index, segmentation_mask, clamp, segmentation_mask);
SetInBoundsFlag(ctx, inst);
ctx.AddU32("{}=shfl_in_bounds?readInvocationARB({},gl_SubGroupInvocationARB-{}):"
"{};",
inst, value, index, value);
}
void EmitShuffleDown(EmitContext& ctx, IR::Inst& inst, std::string_view value,
std::string_view index, std::string_view clamp,
std::string_view segmentation_mask) {
ctx.Add("shfl_in_bounds=int(gl_SubGroupInvocationARB-{})>=int((gl_SubGroupInvocationARB&{})|({}"
"&~{}));",
index, segmentation_mask, clamp, segmentation_mask);
SetInBoundsFlag(ctx, inst);
ctx.AddU32("{}=shfl_in_bounds?{}:gl_SubGroupInvocationARB-{};", inst, value, index);
}
void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, std::string_view value,
std::string_view index, std::string_view clamp,
std::string_view segmentation_mask) {
ctx.Add("shfl_in_bounds=int(gl_SubGroupInvocationARB-{})>=int((gl_SubGroupInvocationARB&{})|({}"
"&~{}));",
index, segmentation_mask, clamp, segmentation_mask);
SetInBoundsFlag(ctx, inst);
ctx.AddU32("{}=shfl_in_bounds?{}:gl_SubGroupInvocationARB-{};", inst, value, index);
}
void EmitFSwizzleAdd([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
[[maybe_unused]] std::string_view op_a, [[maybe_unused]] std::string_view op_b,
[[maybe_unused]] std::string_view swizzle) {