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spirv: fix image sample lod/clamp/offset translation (#402)

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* spirv: fix image sample lod/clamp translation

* spirv: fix image sample offsets

* fix ImageSample opcodes & offset emission
This commit is contained in:
Vinicius Rangel 2024-08-13 03:12:38 -03:00 • committed by GitHub
parent 5eecd089ab
commit dfcfd62d4f
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GPG key ID: B5690EEEBB952194
7 changed files with 112 additions and 77 deletions
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44
src/shader_recompiler/ir/ir_emitter.cpp
View file

@ -16,18 +16,6 @@ namespace {
UNREACHABLE_MSG("Invalid type = {}, functionName = {}, line = {}", u32(type), functionName,
lineNumber);
}
Value MakeLodClampPair(IREmitter& ir, const F32& bias_lod, const F32& lod_clamp) {
if (!bias_lod.IsEmpty() && !lod_clamp.IsEmpty()) {
return ir.CompositeConstruct(bias_lod, lod_clamp);
} else if (!bias_lod.IsEmpty()) {
return bias_lod;
} else if (!lod_clamp.IsEmpty()) {
return lod_clamp;
} else {
return Value{};
}
}
} // Anonymous namespace
U1 IREmitter::Imm1(bool value) const {
@ -1386,30 +1374,26 @@ Value IREmitter::ImageAtomicExchange(const Value& handle, const Value& coords, c
return Inst(Opcode::ImageAtomicExchange32, Flags{info}, handle, coords, value);
}
Value IREmitter::ImageSampleImplicitLod(const Value& handle, const Value& coords, const F32& bias,
const Value& offset, const F32& lod_clamp,
Value IREmitter::ImageSampleImplicitLod(const Value& handle, const Value& body, const F32& bias,
const U32& offset, TextureInstInfo info) {
return Inst(Opcode::ImageSampleImplicitLod, Flags{info}, handle, body, bias, offset);
}
Value IREmitter::ImageSampleExplicitLod(const Value& handle, const Value& body, const U32& offset,
TextureInstInfo info) {
const Value bias_lc{MakeLodClampPair(*this, bias, lod_clamp)};
return Inst(Opcode::ImageSampleImplicitLod, Flags{info}, handle, coords, bias_lc, offset);
return Inst(Opcode::ImageSampleExplicitLod, Flags{info}, handle, body, IR::F32{}, offset);
}
Value IREmitter::ImageSampleExplicitLod(const Value& handle, const Value& coords, const F32& lod,
const Value& offset, TextureInstInfo info) {
return Inst(Opcode::ImageSampleExplicitLod, Flags{info}, handle, coords, lod, offset);
}
F32 IREmitter::ImageSampleDrefImplicitLod(const Value& handle, const Value& coords, const F32& dref,
const F32& bias, const Value& offset,
const F32& lod_clamp, TextureInstInfo info) {
const Value bias_lc{MakeLodClampPair(*this, bias, lod_clamp)};
return Inst<F32>(Opcode::ImageSampleDrefImplicitLod, Flags{info}, handle, coords, dref, bias_lc,
F32 IREmitter::ImageSampleDrefImplicitLod(const Value& handle, const Value& body, const F32& dref,
const F32& bias, const U32& offset,
TextureInstInfo info) {
return Inst<F32>(Opcode::ImageSampleDrefImplicitLod, Flags{info}, handle, body, dref, bias,
offset);
}
F32 IREmitter::ImageSampleDrefExplicitLod(const Value& handle, const Value& coords, const F32& dref,
const F32& lod, const Value& offset,
TextureInstInfo info) {
return Inst<F32>(Opcode::ImageSampleDrefExplicitLod, Flags{info}, handle, coords, dref, lod,
F32 IREmitter::ImageSampleDrefExplicitLod(const Value& handle, const Value& body, const F32& dref,
const U32& offset, TextureInstInfo info) {
return Inst<F32>(Opcode::ImageSampleDrefExplicitLod, Flags{info}, handle, body, dref, IR::F32{},
offset);
}

22
src/shader_recompiler/ir/ir_emitter.h
View file

@ -241,19 +241,21 @@ public:
[[nodiscard]] Value ImageAtomicExchange(const Value& handle, const Value& coords,
const Value& value, TextureInstInfo info);
[[nodiscard]] Value ImageSampleImplicitLod(const Value& handle, const Value& coords,
const F32& bias, const Value& offset,
const F32& lod_clamp, TextureInstInfo info);
[[nodiscard]] Value ImageSampleExplicitLod(const Value& handle, const Value& coords,
const F32& lod, const Value& offset,
[[nodiscard]] Value ImageSampleImplicitLod(const Value& handle, const Value& body,
const F32& bias, const U32& offset,
TextureInstInfo info);
[[nodiscard]] F32 ImageSampleDrefImplicitLod(const Value& handle, const Value& coords,
[[nodiscard]] Value ImageSampleExplicitLod(const Value& handle, const Value& body,
const U32& offset, TextureInstInfo info);
[[nodiscard]] F32 ImageSampleDrefImplicitLod(const Value& handle, const Value& body,
const F32& dref, const F32& bias,
const Value& offset, const F32& lod_clamp,
const U32& offset, TextureInstInfo info);
[[nodiscard]] F32 ImageSampleDrefExplicitLod(const Value& handle, const Value& body,
const F32& dref, const U32& offset,
TextureInstInfo info);
[[nodiscard]] F32 ImageSampleDrefExplicitLod(const Value& handle, const Value& coords,
const F32& dref, const F32& lod,
const Value& offset, TextureInstInfo info);
[[nodiscard]] Value ImageQueryDimension(const Value& handle, const IR::U32& lod,
const IR::U1& skip_mips);
[[nodiscard]] Value ImageQueryDimension(const Value& handle, const IR::U32& lod,

8
src/shader_recompiler/ir/opcodes.inc
View file

@ -298,10 +298,10 @@ OPCODE(ConvertU16U32, U16, U32,
OPCODE(ConvertU32U16, U32, U16, )
// Image operations
OPCODE(ImageSampleImplicitLod, F32x4, Opaque, Opaque, Opaque, Opaque, )
OPCODE(ImageSampleExplicitLod, F32x4, Opaque, Opaque, Opaque, Opaque, )
OPCODE(ImageSampleDrefImplicitLod, F32, Opaque, Opaque, F32, Opaque, Opaque, )
OPCODE(ImageSampleDrefExplicitLod, F32, Opaque, Opaque, F32, Opaque, Opaque, )
OPCODE(ImageSampleImplicitLod, F32x4, Opaque, Opaque, F32, U32, )
OPCODE(ImageSampleExplicitLod, F32x4, Opaque, Opaque, U32, U32, )
OPCODE(ImageSampleDrefImplicitLod, F32, Opaque, Opaque, Opaque, F32, U32, )
OPCODE(ImageSampleDrefExplicitLod, F32, Opaque, Opaque, Opaque, U32, U32, )
OPCODE(ImageGather, F32x4, Opaque, Opaque, Opaque, Opaque, )
OPCODE(ImageGatherDref, F32x4, Opaque, Opaque, Opaque, Opaque, F32, )
OPCODE(ImageFetch, F32x4, Opaque, Opaque, Opaque, U32, Opaque, )

51
src/shader_recompiler/ir/passes/resource_tracking_pass.cpp
View file

@ -567,25 +567,47 @@ void PatchImageInstruction(IR::Block& block, IR::Inst& inst, Info& info, Descrip
if (inst_info.has_offset) {
// The offsets are six-bit signed integers: X=[5:0], Y=[13:8], and Z=[21:16].
const bool is_gather = inst.GetOpcode() == IR::Opcode::ImageGather ||
inst.GetOpcode() == IR::Opcode::ImageGatherDref;
const u32 arg_pos = is_gather ? 2 : (inst_info.is_depth ? 4 : 3);
const u32 arg_pos = [&]() -> u32 {
switch (inst.GetOpcode()) {
case IR::Opcode::ImageGather:
case IR::Opcode::ImageGatherDref:
return 2;
case IR::Opcode::ImageSampleExplicitLod:
case IR::Opcode::ImageSampleImplicitLod:
return 3;
case IR::Opcode::ImageSampleDrefExplicitLod:
case IR::Opcode::ImageSampleDrefImplicitLod:
return 4;
default:
break;
}
return inst_info.is_depth ? 4 : 3;
}();
const IR::Value arg = inst.Arg(arg_pos);
ASSERT_MSG(arg.Type() == IR::Type::U32, "Unexpected offset type");
const auto sign_ext = [&](u32 value) { return ir.Imm32(s32(value << 24) >> 24); };
union {
u32 raw;
BitField<0, 6, u32> x;
BitField<8, 6, u32> y;
BitField<16, 6, u32> z;
} offset{arg.U32()};
const IR::Value value = ir.CompositeConstruct(sign_ext(offset.x), sign_ext(offset.y));
const auto f = [&](IR::Value value, u32 offset) -> auto {
return ir.BitFieldExtract(IR::U32{arg}, ir.Imm32(offset), ir.Imm32(6), true);
};
const auto x = f(arg, 0);
const auto y = f(arg, 8);
const auto z = f(arg, 16);
const IR::Value value = ir.CompositeConstruct(x, y, z);
inst.SetArg(arg_pos, value);
}
if (inst_info.has_lod_clamp) {
// Final argument contains lod_clamp
const u32 arg_pos = inst_info.is_depth ? 5 : 4;
const u32 arg_pos = [&]() -> u32 {
switch (inst.GetOpcode()) {
case IR::Opcode::ImageSampleImplicitLod:
return 2;
case IR::Opcode::ImageSampleDrefImplicitLod:
return 3;
default:
break;
}
return inst_info.is_depth ? 5 : 4;
}();
inst.SetArg(arg_pos, arg);
}
if (inst_info.explicit_lod) {
@ -593,7 +615,8 @@ void PatchImageInstruction(IR::Block& block, IR::Inst& inst, Info& info, Descrip
inst.GetOpcode() == IR::Opcode::ImageSampleExplicitLod ||
inst.GetOpcode() == IR::Opcode::ImageSampleDrefExplicitLod);
const u32 pos = inst.GetOpcode() == IR::Opcode::ImageSampleExplicitLod ? 2 : 3;
inst.SetArg(pos, arg);
const IR::Value value = inst_info.force_level0 ? ir.Imm32(0.f) : arg;
inst.SetArg(pos, value);
}
}