diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp
index 5cd505d99d..c8ce582543 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_context.cpp
@@ -182,6 +182,7 @@ void EmitContext::DefineCommonConstants() {
true_value = ConstantTrue(U1);
false_value = ConstantFalse(U1);
u32_zero_value = Constant(U32[1], 0U);
+ f32_zero_value = Constant(F32[1], 0.0f);
}
void EmitContext::DefineInterfaces(const Info& info) {
diff --git a/src/shader_recompiler/backend/spirv/emit_context.h b/src/shader_recompiler/backend/spirv/emit_context.h
index 071e66c2ae..3965869f04 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.h
+++ b/src/shader_recompiler/backend/spirv/emit_context.h
@@ -70,6 +70,7 @@ public:
Id true_value{};
Id false_value{};
Id u32_zero_value{};
+ Id f32_zero_value{};
UniformDefinitions uniform_types;
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h
index 3d0c6f7ba4..105c237452 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.h
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.h
@@ -362,6 +362,7 @@ Id EmitBindlessImageGather(EmitContext&);
Id EmitBindlessImageGatherDref(EmitContext&);
Id EmitBindlessImageFetch(EmitContext&);
Id EmitBindlessImageQueryDimensions(EmitContext&);
+Id EmitBindlessImageQueryLod(EmitContext&);
Id EmitBoundImageSampleImplicitLod(EmitContext&);
Id EmitBoundImageSampleExplicitLod(EmitContext&);
Id EmitBoundImageSampleDrefImplicitLod(EmitContext&);
@@ -370,6 +371,7 @@ Id EmitBoundImageGather(EmitContext&);
Id EmitBoundImageGatherDref(EmitContext&);
Id EmitBoundImageFetch(EmitContext&);
Id EmitBoundImageQueryDimensions(EmitContext&);
+Id EmitBoundImageQueryLod(EmitContext&);
Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
Id bias_lc, Id offset);
Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
@@ -385,6 +387,7 @@ Id EmitImageGatherDref(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id offset,
Id lod, Id ms);
Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod);
+Id EmitImageQueryLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords);
Id EmitVoteAll(EmitContext& ctx, Id pred);
Id EmitVoteAny(EmitContext& ctx, Id pred);
Id EmitVoteEqual(EmitContext& ctx, Id pred);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
index 310cc7af7e..2cd6b38c46 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
@@ -161,6 +161,10 @@ Id EmitBindlessImageQueryDimensions(EmitContext&) {
throw LogicError("Unreachable instruction");
}
+Id EmitBindlessImageQueryLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
Id EmitBoundImageSampleImplicitLod(EmitContext&) {
throw LogicError("Unreachable instruction");
}
@@ -193,6 +197,10 @@ Id EmitBoundImageQueryDimensions(EmitContext&) {
throw LogicError("Unreachable instruction");
}
+Id EmitBoundImageQueryLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
Id bias_lc, Id offset) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
@@ -287,4 +295,11 @@ Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& i
throw LogicError("Unspecified image type {}", info.type.Value());
}
+Id EmitImageQueryLod(EmitContext& ctx, IR::Inst*, const IR::Value& index, Id coords) {
+ const Id zero{ctx.f32_zero_value};
+ const Id image{TextureImage(ctx, index)};
+ return ctx.OpCompositeConstruct(ctx.F32[4], ctx.OpImageQueryLod(ctx.F32[2], image, coords),
+ zero, zero);
+}
+
} // namespace Shader::Backend::SPIRV
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index 6e7dddeada..ba95917277 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -1567,6 +1567,12 @@ Value IREmitter::ImageQueryDimension(const Value& handle, const IR::U32& lod) {
return Inst(op, handle, lod);
}
+Value IREmitter::ImageQueryLod(const Value& handle, const Value& coords) {
+ const Opcode op{handle.IsImmediate() ? Opcode::BoundImageQueryLod
+ : Opcode::BindlessImageQueryLod};
+ return Inst(op, handle, coords);
+}
+
U1 IREmitter::VoteAll(const U1& value) {
return Inst<U1>(Opcode::VoteAll, value);
}
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h
index 8f3325738c..9e752b2083 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.h
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.h
@@ -255,6 +255,8 @@ public:
TextureInstInfo info);
[[nodiscard]] Value ImageQueryDimension(const Value& handle, const IR::U32& lod);
+ [[nodiscard]] Value ImageQueryLod(const Value& handle, const Value& coords);
+
[[nodiscard]] Value ImageGather(const Value& handle, const Value& coords, const Value& offset,
const Value& offset2, TextureInstInfo info);
diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc
index 302b8471df..49cdcd57ff 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.inc
+++ b/src/shader_recompiler/frontend/ir/opcodes.inc
@@ -380,6 +380,7 @@ OPCODE(BindlessImageGather, F32x4, U32,
OPCODE(BindlessImageGatherDref, F32x4, U32, Opaque, Opaque, Opaque, F32, )
OPCODE(BindlessImageFetch, F32x4, U32, Opaque, Opaque, Opaque, Opaque, )
OPCODE(BindlessImageQueryDimensions, U32x4, U32, U32, )
+OPCODE(BindlessImageQueryLod, F32x4, U32, Opaque, )
OPCODE(BoundImageSampleImplicitLod, F32x4, U32, Opaque, Opaque, Opaque, )
OPCODE(BoundImageSampleExplicitLod, F32x4, U32, Opaque, Opaque, Opaque, )
@@ -389,6 +390,7 @@ OPCODE(BoundImageGather, F32x4, U32,
OPCODE(BoundImageGatherDref, F32x4, U32, Opaque, Opaque, Opaque, F32, )
OPCODE(BoundImageFetch, F32x4, U32, Opaque, Opaque, Opaque, Opaque, )
OPCODE(BoundImageQueryDimensions, U32x4, U32, U32, )
+OPCODE(BoundImageQueryLod, F32x4, U32, Opaque, )
OPCODE(ImageSampleImplicitLod, F32x4, U32, Opaque, Opaque, Opaque, )
OPCODE(ImageSampleExplicitLod, F32x4, U32, Opaque, Opaque, Opaque, )
@@ -398,6 +400,7 @@ OPCODE(ImageGather, F32x4, U32,
OPCODE(ImageGatherDref, F32x4, U32, Opaque, Opaque, Opaque, F32, )
OPCODE(ImageFetch, F32x4, U32, Opaque, Opaque, Opaque, Opaque, )
OPCODE(ImageQueryDimensions, U32x4, U32, U32, )
+OPCODE(ImageQueryLod, F32x4, U32, Opaque, )
// Warp operations
OPCODE(VoteAll, U1, U1, )
diff --git a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
index 3b00d7c8c3..04e3a4f539 100644
--- a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
+++ b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
@@ -383,7 +383,8 @@ void VisitUsages(Info& info, IR::Inst& inst) {
case IR::Opcode::ImageGather:
case IR::Opcode::ImageGatherDref:
case IR::Opcode::ImageFetch:
- case IR::Opcode::ImageQueryDimensions: {
+ case IR::Opcode::ImageQueryDimensions:
+ case IR::Opcode::ImageQueryLod: {
const TextureType type{inst.Flags<IR::TextureInstInfo>().type};
info.uses_sampled_1d |= type == TextureType::Color1D || type == TextureType::ColorArray1D ||
type == TextureType::Shadow1D || type == TextureType::ShadowArray1D;
diff --git a/src/shader_recompiler/ir_opt/texture_pass.cpp b/src/shader_recompiler/ir_opt/texture_pass.cpp
index dfacf848f4..6eb286b838 100644
--- a/src/shader_recompiler/ir_opt/texture_pass.cpp
+++ b/src/shader_recompiler/ir_opt/texture_pass.cpp
@@ -57,6 +57,9 @@ IR::Opcode IndexedInstruction(const IR::Inst& inst) {
case IR::Opcode::BoundImageQueryDimensions:
case IR::Opcode::BindlessImageQueryDimensions:
return IR::Opcode::ImageQueryDimensions;
+ case IR::Opcode::BoundImageQueryLod:
+ case IR::Opcode::BindlessImageQueryLod:
+ return IR::Opcode::ImageQueryLod;
default:
return IR::Opcode::Void;
}
@@ -72,6 +75,7 @@ bool IsBindless(const IR::Inst& inst) {
case IR::Opcode::BindlessImageGatherDref:
case IR::Opcode::BindlessImageFetch:
case IR::Opcode::BindlessImageQueryDimensions:
+ case IR::Opcode::BindlessImageQueryLod:
return true;
case IR::Opcode::BoundImageSampleImplicitLod:
case IR::Opcode::BoundImageSampleExplicitLod:
@@ -81,6 +85,7 @@ bool IsBindless(const IR::Inst& inst) {
case IR::Opcode::BoundImageGatherDref:
case IR::Opcode::BoundImageFetch:
case IR::Opcode::BoundImageQueryDimensions:
+ case IR::Opcode::BoundImageQueryLod:
return false;
default:
throw InvalidArgument("Invalid opcode {}", inst.Opcode());