33 files changed, 665 insertions, 10 deletions

diff --git a/src/shader_recompiler/CMakeLists.txt b/src/shader_recompiler/CMakeLists.txt
index b5b7e5e83..bc3df80c8 100644
--- a/src/shader_recompiler/CMakeLists.txt
+++ b/src/shader_recompiler/CMakeLists.txt
@@ -221,6 +221,7 @@ add_library(shader_recompiler STATIC
     ir_opt/lower_fp16_to_fp32.cpp
     ir_opt/lower_int64_to_int32.cpp
     ir_opt/passes.h
+    ir_opt/rescaling_pass.cpp
     ir_opt/ssa_rewrite_pass.cpp
     ir_opt/texture_pass.cpp
     ir_opt/verification_pass.cpp
diff --git a/src/shader_recompiler/backend/bindings.h b/src/shader_recompiler/backend/bindings.h
index 35503000c..669702553 100644
--- a/src/shader_recompiler/backend/bindings.h
+++ b/src/shader_recompiler/backend/bindings.h
@@ -14,6 +14,8 @@ struct Bindings {
     u32 storage_buffer{};
     u32 texture{};
     u32 image{};
+    u32 texture_scaling_index{};
+    u32 image_scaling_index{};
 };
 
 } // namespace Shader::Backend
diff --git a/src/shader_recompiler/backend/glasm/emit_context.cpp b/src/shader_recompiler/backend/glasm/emit_context.cpp
index 069c019ad..8fd459dfe 100644
--- a/src/shader_recompiler/backend/glasm/emit_context.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_context.cpp
@@ -6,6 +6,7 @@
 
 #include "shader_recompiler/backend/bindings.h"
 #include "shader_recompiler/backend/glasm/emit_context.h"
+#include "shader_recompiler/backend/glasm/emit_glasm.h"
 #include "shader_recompiler/frontend/ir/program.h"
 #include "shader_recompiler/profile.h"
 #include "shader_recompiler/runtime_info.h"
@@ -55,7 +56,8 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
     }
     if (!runtime_info.glasm_use_storage_buffers) {
         if (const size_t num = info.storage_buffers_descriptors.size(); num > 0) {
-            Add("PARAM c[{}]={{program.local[0..{}]}};", num, num - 1);
+            const size_t index{num + PROGRAM_LOCAL_PARAMETER_STORAGE_BUFFER_BASE};
+            Add("PARAM c[{}]={{program.local[0..{}]}};", index, index - 1);
         }
     }
     stage = program.stage;
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm.cpp b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
index 4ce1c4f54..004658546 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
@@ -448,6 +448,9 @@ std::string EmitGLASM(const Profile& profile, const RuntimeInfo& runtime_info, I
         header += fmt::format("SHARED_MEMORY {};", program.shared_memory_size);
         header += fmt::format("SHARED shared_mem[]={{program.sharedmem}};");
     }
+    if (program.info.uses_rescaling_uniform) {
+        header += "PARAM scaling[1]={program.local[0..0]};";
+    }
     header += "TEMP ";
     for (size_t index = 0; index < ctx.reg_alloc.NumUsedRegisters(); ++index) {
         header += fmt::format("R{},", index);
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm.h b/src/shader_recompiler/backend/glasm/emit_glasm.h
index bcb55f062..292655acb 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm.h
+++ b/src/shader_recompiler/backend/glasm/emit_glasm.h
@@ -13,6 +13,8 @@
 
 namespace Shader::Backend::GLASM {
 
+constexpr u32 PROGRAM_LOCAL_PARAMETER_STORAGE_BUFFER_BASE = 1;
+
 [[nodiscard]] std::string EmitGLASM(const Profile& profile, const RuntimeInfo& runtime_info,
                                     IR::Program& program, Bindings& bindings);
 
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
index 09e3a9b82..d325d31c7 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
@@ -608,6 +608,24 @@ void EmitImageWrite(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Re
     ctx.Add("STOREIM.{} {},{},{},{};", format, image, color, coord, type);
 }
 
+void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
+    if (!index.IsImmediate()) {
+        throw NotImplementedException("Non-constant texture rescaling");
+    }
+    ctx.Add("AND.U RC.x,scaling[0].x,{};"
+            "SNE.S {},RC.x,0;",
+            1u << index.U32(), ctx.reg_alloc.Define(inst));
+}
+
+void EmitIsImageScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
+    if (!index.IsImmediate()) {
+        throw NotImplementedException("Non-constant texture rescaling");
+    }
+    ctx.Add("AND.U RC.x,scaling[0].y,{};"
+            "SNE.S {},RC.x,0;",
+            1u << index.U32(), ctx.reg_alloc.Define(inst));
+}
+
 void EmitImageAtomicIAdd32(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord,
                            ScalarU32 value) {
     ImageAtomic(ctx, inst, index, coord, value, "ADD.U32");
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
index 12afda43b..1f343bff5 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
@@ -72,6 +72,7 @@ void EmitInvocationId(EmitContext& ctx, IR::Inst& inst);
 void EmitSampleId(EmitContext& ctx, IR::Inst& inst);
 void EmitIsHelperInvocation(EmitContext& ctx, IR::Inst& inst);
 void EmitYDirection(EmitContext& ctx, IR::Inst& inst);
+void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst);
 void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, ScalarU32 word_offset);
 void EmitWriteLocal(EmitContext& ctx, ScalarU32 word_offset, ScalarU32 value);
 void EmitUndefU1(EmitContext& ctx, IR::Inst& inst);
@@ -303,6 +304,8 @@ void EmitIAdd64(EmitContext& ctx, IR::Inst& inst, Register a, Register b);
 void EmitISub32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
 void EmitISub64(EmitContext& ctx, IR::Inst& inst, Register a, Register b);
 void EmitIMul32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
+void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
+void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, ScalarU32 a, ScalarU32 b);
 void EmitINeg32(EmitContext& ctx, IR::Inst& inst, ScalarS32 value);
 void EmitINeg64(EmitContext& ctx, IR::Inst& inst, Register value);
 void EmitIAbs32(EmitContext& ctx, IR::Inst& inst, ScalarS32 value);
@@ -553,6 +556,8 @@ void EmitImageGradient(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
 void EmitImageRead(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord);
 void EmitImageWrite(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord,
                     Register color);
+void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index);
+void EmitIsImageScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index);
 void EmitBindlessImageAtomicIAdd32(EmitContext&);
 void EmitBindlessImageAtomicSMin32(EmitContext&);
 void EmitBindlessImageAtomicUMin32(EmitContext&);
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
index f55c26b76..8aa494a4d 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
@@ -90,6 +90,14 @@ void EmitIMul32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {
     ctx.Add("MUL.S {}.x,{},{};", inst, a, b);
 }
 
+void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {
+    ctx.Add("DIV.S {}.x,{},{};", inst, a, b);
+}
+
+void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, ScalarU32 a, ScalarU32 b) {
+    ctx.Add("DIV.U {}.x,{},{};", inst, a, b);
+}
+
 void EmitINeg32(EmitContext& ctx, IR::Inst& inst, ScalarS32 value) {
     if (value.type != Type::Register && static_cast<s32>(value.imm_u32) < 0) {
         ctx.Add("MOV.S {},{};", inst, -static_cast<s32>(value.imm_u32));
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
index e537f6073..681aeda8d 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
@@ -210,6 +210,10 @@ void EmitYDirection(EmitContext& ctx, IR::Inst& inst) {
     ctx.Add("MOV.F {}.x,y_direction[0].w;", inst);
 }
 
+void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
+    ctx.Add("MOV.F {}.x,scaling[0].z;", inst);
+}
+
 void EmitUndefU1(EmitContext& ctx, IR::Inst& inst) {
     ctx.Add("MOV.S {}.x,0;", inst);
 }
diff --git a/src/shader_recompiler/backend/glsl/emit_context.cpp b/src/shader_recompiler/backend/glsl/emit_context.cpp
index 4e6f2c0fe..97bd59302 100644
--- a/src/shader_recompiler/backend/glsl/emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_context.cpp
@@ -393,6 +393,9 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
             DefineGenericOutput(index, program.invocations);
         }
     }
+    if (info.uses_rescaling_uniform) {
+        header += "layout(location=0) uniform vec4 scaling;";
+    }
     DefineConstantBuffers(bindings);
     DefineStorageBuffers(bindings);
     SetupImages(bindings);
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
index 170db269a..4c26f3829 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
@@ -445,6 +445,10 @@ void EmitYDirection(EmitContext& ctx, IR::Inst& inst) {
     ctx.AddF32("{}=gl_FrontMaterial.ambient.a;", inst);
 }
 
+void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
+    ctx.AddF32("{}=scaling.z;", inst);
+}
+
 void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, std::string_view word_offset) {
     ctx.AddU32("{}=lmem[{}];", inst, word_offset);
 }
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
index 447eb8e0a..2f78d0267 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
@@ -612,6 +612,22 @@ void EmitImageAtomicExchange32(EmitContext& ctx, IR::Inst& inst, const IR::Value
                value);
 }
 
+void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
+    if (!index.IsImmediate()) {
+        throw NotImplementedException("Non-constant texture rescaling");
+    }
+    const u32 image_index{index.U32()};
+    ctx.AddU1("{}=(ftou(scaling.x)&{})!=0;", inst, 1u << image_index);
+}
+
+void EmitIsImageScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
+    if (!index.IsImmediate()) {
+        throw NotImplementedException("Non-constant texture rescaling");
+    }
+    const u32 image_index{index.U32()};
+    ctx.AddU1("{}=(ftou(scaling.y)&{})!=0;", inst, 1u << image_index);
+}
+
 void EmitBindlessImageSampleImplicitLod(EmitContext&) {
     NotImplemented();
 }
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
index 5936d086f..f86502e4c 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
@@ -85,6 +85,7 @@ void EmitInvocationId(EmitContext& ctx, IR::Inst& inst);
 void EmitSampleId(EmitContext& ctx, IR::Inst& inst);
 void EmitIsHelperInvocation(EmitContext& ctx, IR::Inst& inst);
 void EmitYDirection(EmitContext& ctx, IR::Inst& inst);
+void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst);
 void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, std::string_view word_offset);
 void EmitWriteLocal(EmitContext& ctx, std::string_view word_offset, std::string_view value);
 void EmitUndefU1(EmitContext& ctx, IR::Inst& inst);
@@ -362,6 +363,8 @@ void EmitIAdd64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
 void EmitISub32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
 void EmitISub64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
 void EmitIMul32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
+void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
+void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
 void EmitINeg32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
 void EmitINeg64(EmitContext& ctx, IR::Inst& inst, std::string_view value);
 void EmitIAbs32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
@@ -627,6 +630,8 @@ void EmitImageRead(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
                    std::string_view coords);
 void EmitImageWrite(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
                     std::string_view coords, std::string_view color);
+void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index);
+void EmitIsImageScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index);
 void EmitBindlessImageAtomicIAdd32(EmitContext&);
 void EmitBindlessImageAtomicSMin32(EmitContext&);
 void EmitBindlessImageAtomicUMin32(EmitContext&);
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
index 38419f88f..88c1d4c5e 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
@@ -78,6 +78,14 @@ void EmitIMul32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
     ctx.AddU32("{}=uint({}*{});", inst, a, b);
 }
 
+void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
+    ctx.AddU32("{}=uint(int({})/int({}));", inst, a, b);
+}
+
+void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
+    ctx.AddU32("{}={}/{};", inst, a, b);
+}
+
 void EmitINeg32(EmitContext& ctx, IR::Inst& inst, std::string_view value) {
     ctx.AddU32("{}=uint(-({}));", inst, value);
 }
diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp
index 3c84e6466..723455462 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_context.cpp
@@ -7,11 +7,14 @@
 #include <climits>
 #include <string_view>
 
+#include <boost/container/static_vector.hpp>
+
 #include <fmt/format.h>
 
 #include "common/common_types.h"
 #include "common/div_ceil.h"
 #include "shader_recompiler/backend/spirv/emit_context.h"
+#include "shader_recompiler/backend/spirv/emit_spirv.h"
 
 namespace Shader::Backend::SPIRV {
 namespace {
@@ -474,8 +477,9 @@ void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_vie
 
 EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_info_,
                          IR::Program& program, Bindings& bindings)
-    : Sirit::Module(profile_.supported_spirv), profile{profile_},
-      runtime_info{runtime_info_}, stage{program.stage} {
+    : Sirit::Module(profile_.supported_spirv), profile{profile_}, runtime_info{runtime_info_},
+      stage{program.stage}, texture_rescaling_index{bindings.texture_scaling_index},
+      image_rescaling_index{bindings.image_scaling_index} {
     const bool is_unified{profile.unified_descriptor_binding};
     u32& uniform_binding{is_unified ? bindings.unified : bindings.uniform_buffer};
     u32& storage_binding{is_unified ? bindings.unified : bindings.storage_buffer};
@@ -492,10 +496,11 @@ EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_inf
     DefineStorageBuffers(program.info, storage_binding);
     DefineTextureBuffers(program.info, texture_binding);
     DefineImageBuffers(program.info, image_binding);
-    DefineTextures(program.info, texture_binding);
-    DefineImages(program.info, image_binding);
+    DefineTextures(program.info, texture_binding, bindings.texture_scaling_index);
+    DefineImages(program.info, image_binding, bindings.image_scaling_index);
     DefineAttributeMemAccess(program.info);
     DefineGlobalMemoryFunctions(program.info);
+    DefineRescalingInput(program.info);
 }
 
 EmitContext::~EmitContext() = default;
@@ -996,6 +1001,73 @@ void EmitContext::DefineGlobalMemoryFunctions(const Info& info) {
         define(&StorageDefinitions::U32x4, storage_types.U32x4, U32[4], sizeof(u32[4]));
 }
 
+void EmitContext::DefineRescalingInput(const Info& info) {
+    if (!info.uses_rescaling_uniform) {
+        return;
+    }
+    if (profile.unified_descriptor_binding) {
+        DefineRescalingInputPushConstant();
+    } else {
+        DefineRescalingInputUniformConstant();
+    }
+}
+
+void EmitContext::DefineRescalingInputPushConstant() {
+    boost::container::static_vector<Id, 3> members{};
+    u32 member_index{0};
+
+    rescaling_textures_type = TypeArray(U32[1], Const(4u));
+    Decorate(rescaling_textures_type, spv::Decoration::ArrayStride, 4u);
+    members.push_back(rescaling_textures_type);
+    rescaling_textures_member_index = member_index++;
+
+    rescaling_images_type = TypeArray(U32[1], Const(NUM_IMAGE_SCALING_WORDS));
+    Decorate(rescaling_images_type, spv::Decoration::ArrayStride, 4u);
+    members.push_back(rescaling_images_type);
+    rescaling_images_member_index = member_index++;
+
+    if (stage != Stage::Compute) {
+        members.push_back(F32[1]);
+        rescaling_downfactor_member_index = member_index++;
+    }
+    const Id push_constant_struct{TypeStruct(std::span(members.data(), members.size()))};
+    Decorate(push_constant_struct, spv::Decoration::Block);
+    Name(push_constant_struct, "ResolutionInfo");
+
+    MemberDecorate(push_constant_struct, rescaling_textures_member_index, spv::Decoration::Offset,
+                   static_cast<u32>(offsetof(RescalingLayout, rescaling_textures)));
+    MemberName(push_constant_struct, rescaling_textures_member_index, "rescaling_textures");
+
+    MemberDecorate(push_constant_struct, rescaling_images_member_index, spv::Decoration::Offset,
+                   static_cast<u32>(offsetof(RescalingLayout, rescaling_images)));
+    MemberName(push_constant_struct, rescaling_images_member_index, "rescaling_images");
+
+    if (stage != Stage::Compute) {
+        MemberDecorate(push_constant_struct, rescaling_downfactor_member_index,
+                       spv::Decoration::Offset,
+                       static_cast<u32>(offsetof(RescalingLayout, down_factor)));
+        MemberName(push_constant_struct, rescaling_downfactor_member_index, "down_factor");
+    }
+    const Id pointer_type{TypePointer(spv::StorageClass::PushConstant, push_constant_struct)};
+    rescaling_push_constants = AddGlobalVariable(pointer_type, spv::StorageClass::PushConstant);
+    Name(rescaling_push_constants, "rescaling_push_constants");
+
+    if (profile.supported_spirv >= 0x00010400) {
+        interfaces.push_back(rescaling_push_constants);
+    }
+}
+
+void EmitContext::DefineRescalingInputUniformConstant() {
+    const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, F32[4])};
+    rescaling_uniform_constant =
+        AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant);
+    Decorate(rescaling_uniform_constant, spv::Decoration::Location, 0u);
+
+    if (profile.supported_spirv >= 0x00010400) {
+        interfaces.push_back(rescaling_uniform_constant);
+    }
+}
+
 void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) {
     if (info.constant_buffer_descriptors.empty()) {
         return;
@@ -1184,7 +1256,7 @@ void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
     }
 }
 
-void EmitContext::DefineTextures(const Info& info, u32& binding) {
+void EmitContext::DefineTextures(const Info& info, u32& binding, u32& scaling_index) {
     textures.reserve(info.texture_descriptors.size());
     for (const TextureDescriptor& desc : info.texture_descriptors) {
         const Id image_type{ImageType(*this, desc)};
@@ -1206,13 +1278,14 @@ void EmitContext::DefineTextures(const Info& info, u32& binding) {
             interfaces.push_back(id);
         }
         ++binding;
+        ++scaling_index;
     }
     if (info.uses_atomic_image_u32) {
         image_u32 = TypePointer(spv::StorageClass::Image, U32[1]);
     }
 }
 
-void EmitContext::DefineImages(const Info& info, u32& binding) {
+void EmitContext::DefineImages(const Info& info, u32& binding, u32& scaling_index) {
     images.reserve(info.image_descriptors.size());
     for (const ImageDescriptor& desc : info.image_descriptors) {
         if (desc.count != 1) {
@@ -1233,6 +1306,7 @@ void EmitContext::DefineImages(const Info& info, u32& binding) {
             interfaces.push_back(id);
         }
         ++binding;
+        ++scaling_index;
     }
 }
 
diff --git a/src/shader_recompiler/backend/spirv/emit_context.h b/src/shader_recompiler/backend/spirv/emit_context.h
index 112c52382..63f8185d9 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.h
+++ b/src/shader_recompiler/backend/spirv/emit_context.h
@@ -238,6 +238,16 @@ public:
     Id indexed_load_func{};
     Id indexed_store_func{};
 
+    Id rescaling_uniform_constant{};
+    Id rescaling_push_constants{};
+    Id rescaling_textures_type{};
+    Id rescaling_images_type{};
+    u32 rescaling_textures_member_index{};
+    u32 rescaling_images_member_index{};
+    u32 rescaling_downfactor_member_index{};
+    u32 texture_rescaling_index{};
+    u32 image_rescaling_index{};
+
     Id local_memory{};
 
     Id shared_memory_u8{};
@@ -310,10 +320,13 @@ private:
     void DefineStorageBuffers(const Info& info, u32& binding);
     void DefineTextureBuffers(const Info& info, u32& binding);
     void DefineImageBuffers(const Info& info, u32& binding);
-    void DefineTextures(const Info& info, u32& binding);
-    void DefineImages(const Info& info, u32& binding);
+    void DefineTextures(const Info& info, u32& binding, u32& scaling_index);
+    void DefineImages(const Info& info, u32& binding, u32& scaling_index);
     void DefineAttributeMemAccess(const Info& info);
     void DefineGlobalMemoryFunctions(const Info& info);
+    void DefineRescalingInput(const Info& info);
+    void DefineRescalingInputPushConstant();
+    void DefineRescalingInputUniformConstant();
 
     void DefineInputs(const IR::Program& program);
     void DefineOutputs(const IR::Program& program);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h
index db0c935fe..4b25534ce 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.h
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.h
@@ -16,6 +16,19 @@
 
 namespace Shader::Backend::SPIRV {
 
+constexpr u32 NUM_TEXTURE_SCALING_WORDS = 4;
+constexpr u32 NUM_IMAGE_SCALING_WORDS = 2;
+constexpr u32 NUM_TEXTURE_AND_IMAGE_SCALING_WORDS =
+    NUM_TEXTURE_SCALING_WORDS + NUM_IMAGE_SCALING_WORDS;
+
+struct RescalingLayout {
+    alignas(16) std::array<u32, NUM_TEXTURE_SCALING_WORDS> rescaling_textures;
+    alignas(16) std::array<u32, NUM_IMAGE_SCALING_WORDS> rescaling_images;
+    alignas(16) u32 down_factor;
+};
+constexpr u32 RESCALING_LAYOUT_WORDS_OFFSET = offsetof(RescalingLayout, rescaling_textures);
+constexpr u32 RESCALING_LAYOUT_DOWN_FACTOR_OFFSET = offsetof(RescalingLayout, down_factor);
+
 [[nodiscard]] std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_info,
                                          IR::Program& program, Bindings& bindings);
 
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
index d3a93d5f4..bac683ae1 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
@@ -526,6 +526,18 @@ Id EmitYDirection(EmitContext& ctx) {
     return ctx.Const(ctx.runtime_info.y_negate ? -1.0f : 1.0f);
 }
 
+Id EmitResolutionDownFactor(EmitContext& ctx) {
+    if (ctx.profile.unified_descriptor_binding) {
+        const Id pointer_type{ctx.TypePointer(spv::StorageClass::PushConstant, ctx.F32[1])};
+        const Id index{ctx.Const(ctx.rescaling_downfactor_member_index)};
+        const Id pointer{ctx.OpAccessChain(pointer_type, ctx.rescaling_push_constants, index)};
+        return ctx.OpLoad(ctx.F32[1], pointer);
+    } else {
+        const Id composite{ctx.OpLoad(ctx.F32[4], ctx.rescaling_uniform_constant)};
+        return ctx.OpCompositeExtract(ctx.F32[1], composite, 2u);
+    }
+}
+
 Id EmitLoadLocal(EmitContext& ctx, Id word_offset) {
     const Id pointer{ctx.OpAccessChain(ctx.private_u32, ctx.local_memory, word_offset)};
     return ctx.OpLoad(ctx.U32[1], pointer);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
index 1d5364309..4d168a96d 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
@@ -224,6 +224,36 @@ Id Emit(MethodPtrType sparse_ptr, MethodPtrType non_sparse_ptr, EmitContext& ctx
     Decorate(ctx, inst, sample);
     return ctx.OpCompositeExtract(result_type, sample, 1U);
 }
+
+Id IsScaled(EmitContext& ctx, const IR::Value& index, Id member_index, u32 base_index) {
+    const Id push_constant_u32{ctx.TypePointer(spv::StorageClass::PushConstant, ctx.U32[1])};
+    Id bit{};
+    if (index.IsImmediate()) {
+        // Use BitwiseAnd instead of BitfieldExtract for better codegen on Nvidia OpenGL.
+        // LOP32I.NZ is used to set the predicate rather than BFE+ISETP.
+        const u32 index_value{index.U32() + base_index};
+        const Id word_index{ctx.Const(index_value / 32)};
+        const Id bit_index_mask{ctx.Const(1u << (index_value % 32))};
+        const Id pointer{ctx.OpAccessChain(push_constant_u32, ctx.rescaling_push_constants,
+                                           member_index, word_index)};
+        const Id word{ctx.OpLoad(ctx.U32[1], pointer)};
+        bit = ctx.OpBitwiseAnd(ctx.U32[1], word, bit_index_mask);
+    } else {
+        Id index_value{ctx.Def(index)};
+        if (base_index != 0) {
+            index_value = ctx.OpIAdd(ctx.U32[1], index_value, ctx.Const(base_index));
+        }
+        const Id bit_index{ctx.OpBitwiseAnd(ctx.U32[1], index_value, ctx.Const(31u))};
+        bit = ctx.OpBitFieldUExtract(ctx.U32[1], index_value, bit_index, ctx.Const(1u));
+    }
+    return ctx.OpINotEqual(ctx.U1, bit, ctx.u32_zero_value);
+}
+
+Id BitTest(EmitContext& ctx, Id mask, Id bit) {
+    const Id shifted{ctx.OpShiftRightLogical(ctx.U32[1], mask, bit)};
+    const Id bit_value{ctx.OpBitwiseAnd(ctx.U32[1], shifted, ctx.Const(1u))};
+    return ctx.OpINotEqual(ctx.U1, bit_value, ctx.u32_zero_value);
+}
 } // Anonymous namespace
 
 Id EmitBindlessImageSampleImplicitLod(EmitContext&) {
@@ -470,4 +500,28 @@ void EmitImageWrite(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id
     ctx.OpImageWrite(Image(ctx, index, info), coords, color);
 }
 
+Id EmitIsTextureScaled(EmitContext& ctx, const IR::Value& index) {
+    if (ctx.profile.unified_descriptor_binding) {
+        const Id member_index{ctx.Const(ctx.rescaling_textures_member_index)};
+        return IsScaled(ctx, index, member_index, ctx.texture_rescaling_index);
+    } else {
+        const Id composite{ctx.OpLoad(ctx.F32[4], ctx.rescaling_uniform_constant)};
+        const Id mask_f32{ctx.OpCompositeExtract(ctx.F32[1], composite, 0u)};
+        const Id mask{ctx.OpBitcast(ctx.U32[1], mask_f32)};
+        return BitTest(ctx, mask, ctx.Def(index));
+    }
+}
+
+Id EmitIsImageScaled(EmitContext& ctx, const IR::Value& index) {
+    if (ctx.profile.unified_descriptor_binding) {
+        const Id member_index{ctx.Const(ctx.rescaling_images_member_index)};
+        return IsScaled(ctx, index, member_index, ctx.image_rescaling_index);
+    } else {
+        const Id composite{ctx.OpLoad(ctx.F32[4], ctx.rescaling_uniform_constant)};
+        const Id mask_f32{ctx.OpCompositeExtract(ctx.F32[1], composite, 1u)};
+        const Id mask{ctx.OpBitcast(ctx.U32[1], mask_f32)};
+        return BitTest(ctx, mask, ctx.Def(index));
+    }
+}
+
 } // namespace Shader::Backend::SPIRV
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h b/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
index c9db1c164..6cd22dd3e 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
@@ -75,6 +75,7 @@ Id EmitInvocationId(EmitContext& ctx);
 Id EmitSampleId(EmitContext& ctx);
 Id EmitIsHelperInvocation(EmitContext& ctx);
 Id EmitYDirection(EmitContext& ctx);
+Id EmitResolutionDownFactor(EmitContext& ctx);
 Id EmitLoadLocal(EmitContext& ctx, Id word_offset);
 void EmitWriteLocal(EmitContext& ctx, Id word_offset, Id value);
 Id EmitUndefU1(EmitContext& ctx);
@@ -283,6 +284,8 @@ Id EmitIAdd64(EmitContext& ctx, Id a, Id b);
 Id EmitISub32(EmitContext& ctx, Id a, Id b);
 Id EmitISub64(EmitContext& ctx, Id a, Id b);
 Id EmitIMul32(EmitContext& ctx, Id a, Id b);
+Id EmitSDiv32(EmitContext& ctx, Id a, Id b);
+Id EmitUDiv32(EmitContext& ctx, Id a, Id b);
 Id EmitINeg32(EmitContext& ctx, Id value);
 Id EmitINeg64(EmitContext& ctx, Id value);
 Id EmitIAbs32(EmitContext& ctx, Id value);
@@ -510,6 +513,8 @@ Id EmitImageGradient(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, I
                      Id derivates, Id offset, Id lod_clamp);
 Id EmitImageRead(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords);
 void EmitImageWrite(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id color);
+Id EmitIsTextureScaled(EmitContext& ctx, const IR::Value& index);
+Id EmitIsImageScaled(EmitContext& ctx, const IR::Value& index);
 Id EmitBindlessImageAtomicIAdd32(EmitContext&);
 Id EmitBindlessImageAtomicSMin32(EmitContext&);
 Id EmitBindlessImageAtomicUMin32(EmitContext&);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
index 3501d7495..50277eec3 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
@@ -72,6 +72,14 @@ Id EmitIMul32(EmitContext& ctx, Id a, Id b) {
     return ctx.OpIMul(ctx.U32[1], a, b);
 }
 
+Id EmitSDiv32(EmitContext& ctx, Id a, Id b) {
+    return ctx.OpSDiv(ctx.U32[1], a, b);
+}
+
+Id EmitUDiv32(EmitContext& ctx, Id a, Id b) {
+    return ctx.OpUDiv(ctx.U32[1], a, b);
+}
+
 Id EmitINeg32(EmitContext& ctx, Id value) {
     return ctx.OpSNegate(ctx.U32[1], value);
 }
diff --git a/src/shader_recompiler/frontend/ir/basic_block.cpp b/src/shader_recompiler/frontend/ir/basic_block.cpp
index 7c08b25ce..974efa4a0 100644
--- a/src/shader_recompiler/frontend/ir/basic_block.cpp
+++ b/src/shader_recompiler/frontend/ir/basic_block.cpp
@@ -22,6 +22,11 @@ void Block::AppendNewInst(Opcode op, std::initializer_list<Value> args) {
     PrependNewInst(end(), op, args);
 }
 
+Block::iterator Block::PrependNewInst(iterator insertion_point, const Inst& base_inst) {
+    Inst* const inst{inst_pool->Create(base_inst)};
+    return instructions.insert(insertion_point, *inst);
+}
+
 Block::iterator Block::PrependNewInst(iterator insertion_point, Opcode op,
                                       std::initializer_list<Value> args, u32 flags) {
     Inst* const inst{inst_pool->Create(op, flags)};
diff --git a/src/shader_recompiler/frontend/ir/basic_block.h b/src/shader_recompiler/frontend/ir/basic_block.h
index 9ce1ed07e..fbfe98266 100644
--- a/src/shader_recompiler/frontend/ir/basic_block.h
+++ b/src/shader_recompiler/frontend/ir/basic_block.h
@@ -40,6 +40,9 @@ public:
     /// Appends a new instruction to the end of this basic block.
     void AppendNewInst(Opcode op, std::initializer_list<Value> args);
 
+    /// Prepends a copy of an instruction to this basic block before the insertion point.
+    iterator PrependNewInst(iterator insertion_point, const Inst& base_inst);
+
     /// Prepends a new instruction to this basic block before the insertion point.
     iterator PrependNewInst(iterator insertion_point, Opcode op,
                             std::initializer_list<Value> args = {}, u32 flags = 0);
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index 13159a68d..356f889ac 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -375,6 +375,10 @@ F32 IREmitter::YDirection() {
     return Inst<F32>(Opcode::YDirection);
 }
 
+F32 IREmitter::ResolutionDownFactor() {
+    return Inst<F32>(Opcode::ResolutionDownFactor);
+}
+
 U32 IREmitter::LaneId() {
     return Inst<U32>(Opcode::LaneId);
 }
@@ -1141,6 +1145,10 @@ U32 IREmitter::IMul(const U32& a, const U32& b) {
     return Inst<U32>(Opcode::IMul32, a, b);
 }
 
+U32 IREmitter::IDiv(const U32& a, const U32& b, bool is_signed) {
+    return Inst<U32>(is_signed ? Opcode::SDiv32 : Opcode::UDiv32, a, b);
+}
+
 U32U64 IREmitter::INeg(const U32U64& value) {
     switch (value.Type()) {
     case Type::U32:
@@ -1938,6 +1946,14 @@ Value IREmitter::ImageAtomicExchange(const Value& handle, const Value& coords, c
     return Inst(op, Flags{info}, handle, coords, value);
 }
 
+U1 IREmitter::IsTextureScaled(const U32& index) {
+    return Inst<U1>(Opcode::IsTextureScaled, index);
+}
+
+U1 IREmitter::IsImageScaled(const U32& index) {
+    return Inst<U1>(Opcode::IsImageScaled, index);
+}
+
 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 1b89ca5a0..13eefa88b 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.h
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.h
@@ -102,6 +102,8 @@ public:
     [[nodiscard]] U1 IsHelperInvocation();
     [[nodiscard]] F32 YDirection();
 
+    [[nodiscard]] F32 ResolutionDownFactor();
+
     [[nodiscard]] U32 LaneId();
 
     [[nodiscard]] U32 LoadGlobalU8(const U64& address);
@@ -207,6 +209,7 @@ public:
     [[nodiscard]] U32U64 IAdd(const U32U64& a, const U32U64& b);
     [[nodiscard]] U32U64 ISub(const U32U64& a, const U32U64& b);
     [[nodiscard]] U32 IMul(const U32& a, const U32& b);
+    [[nodiscard]] U32 IDiv(const U32& a, const U32& b, bool is_signed = false);
     [[nodiscard]] U32U64 INeg(const U32U64& value);
     [[nodiscard]] U32 IAbs(const U32& value);
     [[nodiscard]] U32U64 ShiftLeftLogical(const U32U64& base, const U32& shift);
@@ -356,6 +359,10 @@ public:
                                        TextureInstInfo info);
     [[nodiscard]] Value ImageAtomicExchange(const Value& handle, const Value& coords,
                                             const Value& value, TextureInstInfo info);
+
+    [[nodiscard]] U1 IsTextureScaled(const U32& index);
+    [[nodiscard]] U1 IsImageScaled(const U32& index);
+
     [[nodiscard]] U1 VoteAll(const U1& value);
     [[nodiscard]] U1 VoteAny(const U1& value);
     [[nodiscard]] U1 VoteEqual(const U1& value);
diff --git a/src/shader_recompiler/frontend/ir/microinstruction.cpp b/src/shader_recompiler/frontend/ir/microinstruction.cpp
index 30b470bdd..97e2bf6af 100644
--- a/src/shader_recompiler/frontend/ir/microinstruction.cpp
+++ b/src/shader_recompiler/frontend/ir/microinstruction.cpp
@@ -47,6 +47,17 @@ Inst::Inst(IR::Opcode op_, u32 flags_) noexcept : op{op_}, flags{flags_} {
     }
 }
 
+Inst::Inst(const Inst& base) : op{base.op}, flags{base.flags} {
+    if (base.op == Opcode::Phi) {
+        throw NotImplementedException("Copying phi node");
+    }
+    std::construct_at(&args);
+    const size_t num_args{base.NumArgs()};
+    for (size_t index = 0; index < num_args; ++index) {
+        SetArg(index, base.Arg(index));
+    }
+}
+
 Inst::~Inst() {
     if (op == Opcode::Phi) {
         std::destroy_at(&phi_args);
diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc
index d91098c80..6929919df 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.inc
+++ b/src/shader_recompiler/frontend/ir/opcodes.inc
@@ -62,6 +62,7 @@ OPCODE(InvocationId,                                        U32,
 OPCODE(SampleId,                                            U32,                                                                                            )
 OPCODE(IsHelperInvocation,                                  U1,                                                                                             )
 OPCODE(YDirection,                                          F32,                                                                                            )
+OPCODE(ResolutionDownFactor,                                F32,                                                                                            )
 
 // Undefined
 OPCODE(UndefU1,                                             U1,                                                                                             )
@@ -286,6 +287,8 @@ OPCODE(IAdd64,                                              U64,            U64,
 OPCODE(ISub32,                                              U32,            U32,            U32,                                                            )
 OPCODE(ISub64,                                              U64,            U64,            U64,                                                            )
 OPCODE(IMul32,                                              U32,            U32,            U32,                                                            )
+OPCODE(SDiv32,                                              U32,            U32,            U32,                                                            )
+OPCODE(UDiv32,                                              U32,            U32,            U32,                                                            )
 OPCODE(INeg32,                                              U32,            U32,                                                                            )
 OPCODE(INeg64,                                              U64,            U64,                                                                            )
 OPCODE(IAbs32,                                              U32,            U32,                                                                            )
@@ -490,6 +493,9 @@ OPCODE(ImageGradient,                                       F32x4,          Opaq
 OPCODE(ImageRead,                                           U32x4,          Opaque,         Opaque,                                                         )
 OPCODE(ImageWrite,                                          Void,           Opaque,         Opaque,         U32x4,                                          )
 
+OPCODE(IsTextureScaled,                                     U1,             U32,                                                                            )
+OPCODE(IsImageScaled,                                       U1,             U32,                                                                            )
+
 // Atomic Image operations
 
 OPCODE(BindlessImageAtomicIAdd32,                           U32,            U32,            Opaque,            U32,                                         )
diff --git a/src/shader_recompiler/frontend/ir/value.h b/src/shader_recompiler/frontend/ir/value.h
index 6c9ef6bdd..947579852 100644
--- a/src/shader_recompiler/frontend/ir/value.h
+++ b/src/shader_recompiler/frontend/ir/value.h
@@ -116,10 +116,10 @@ public:
 class Inst : public boost::intrusive::list_base_hook<> {
 public:
     explicit Inst(IR::Opcode op_, u32 flags_) noexcept;
+    explicit Inst(const Inst& base);
     ~Inst();
 
     Inst& operator=(const Inst&) = delete;
-    Inst(const Inst&) = delete;
 
     Inst& operator=(Inst&&) = delete;
     Inst(Inst&&) = delete;
diff --git a/src/shader_recompiler/frontend/maxwell/translate_program.cpp b/src/shader_recompiler/frontend/maxwell/translate_program.cpp
index 2fc542f0e..267ebe4af 100644
--- a/src/shader_recompiler/frontend/maxwell/translate_program.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate_program.cpp
@@ -179,6 +179,10 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
     Optimization::TexturePass(env, program);
 
     Optimization::ConstantPropagationPass(program);
+
+    if (Settings::values.resolution_info.active) {
+        Optimization::RescalingPass(program);
+    }
     Optimization::DeadCodeEliminationPass(program);
     if (Settings::values.renderer_debug) {
         Optimization::VerificationPass(program);
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 f69e1c9cc..1e476d83d 100644
--- a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
+++ b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
@@ -430,6 +430,11 @@ void VisitUsages(Info& info, IR::Inst& inst) {
     case IR::Opcode::IsHelperInvocation:
         info.uses_is_helper_invocation = true;
         break;
+    case IR::Opcode::ResolutionDownFactor:
+    case IR::Opcode::IsTextureScaled:
+    case IR::Opcode::IsImageScaled:
+        info.uses_rescaling_uniform = true;
+        break;
     case IR::Opcode::LaneId:
         info.uses_subgroup_invocation_id = true;
         break;
diff --git a/src/shader_recompiler/ir_opt/passes.h b/src/shader_recompiler/ir_opt/passes.h
index 2f89b1ea0..f877c7ba0 100644
--- a/src/shader_recompiler/ir_opt/passes.h
+++ b/src/shader_recompiler/ir_opt/passes.h
@@ -19,6 +19,7 @@ void GlobalMemoryToStorageBufferPass(IR::Program& program);
 void IdentityRemovalPass(IR::Program& program);
 void LowerFp16ToFp32(IR::Program& program);
 void LowerInt64ToInt32(IR::Program& program);
+void RescalingPass(IR::Program& program);
 void SsaRewritePass(IR::Program& program);
 void TexturePass(Environment& env, IR::Program& program);
 void VerificationPass(const IR::Program& program);
diff --git a/src/shader_recompiler/ir_opt/rescaling_pass.cpp b/src/shader_recompiler/ir_opt/rescaling_pass.cpp
new file mode 100644
index 000000000..c28500dd1
--- /dev/null
+++ b/src/shader_recompiler/ir_opt/rescaling_pass.cpp
@@ -0,0 +1,327 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/alignment.h"
+#include "common/settings.h"
+#include "shader_recompiler/environment.h"
+#include "shader_recompiler/frontend/ir/ir_emitter.h"
+#include "shader_recompiler/frontend/ir/modifiers.h"
+#include "shader_recompiler/frontend/ir/program.h"
+#include "shader_recompiler/frontend/ir/value.h"
+#include "shader_recompiler/ir_opt/passes.h"
+#include "shader_recompiler/shader_info.h"
+
+namespace Shader::Optimization {
+namespace {
+[[nodiscard]] bool IsTextureTypeRescalable(TextureType type) {
+    switch (type) {
+    case TextureType::Color2D:
+    case TextureType::ColorArray2D:
+        return true;
+    case TextureType::Color1D:
+    case TextureType::ColorArray1D:
+    case TextureType::Color3D:
+    case TextureType::ColorCube:
+    case TextureType::ColorArrayCube:
+    case TextureType::Buffer:
+        break;
+    }
+    return false;
+}
+
+void VisitMark(IR::Block& block, IR::Inst& inst) {
+    switch (inst.GetOpcode()) {
+    case IR::Opcode::ShuffleIndex:
+    case IR::Opcode::ShuffleUp:
+    case IR::Opcode::ShuffleDown:
+    case IR::Opcode::ShuffleButterfly: {
+        const IR::Value shfl_arg{inst.Arg(0)};
+        if (shfl_arg.IsImmediate()) {
+            break;
+        }
+        const IR::Inst* const arg_inst{shfl_arg.InstRecursive()};
+        if (arg_inst->GetOpcode() != IR::Opcode::BitCastU32F32) {
+            break;
+        }
+        const IR::Value bitcast_arg{arg_inst->Arg(0)};
+        if (bitcast_arg.IsImmediate()) {
+            break;
+        }
+        IR::Inst* const bitcast_inst{bitcast_arg.InstRecursive()};
+        bool must_patch_outside = false;
+        if (bitcast_inst->GetOpcode() == IR::Opcode::GetAttribute) {
+            const IR::Attribute attr{bitcast_inst->Arg(0).Attribute()};
+            switch (attr) {
+            case IR::Attribute::PositionX:
+            case IR::Attribute::PositionY:
+                bitcast_inst->SetFlags<u32>(0xDEADBEEF);
+                must_patch_outside = true;
+                break;
+            default:
+                break;
+            }
+        }
+        if (must_patch_outside) {
+            const auto it{IR::Block::InstructionList::s_iterator_to(inst)};
+            IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
+            const IR::F32 new_inst{&*block.PrependNewInst(it, inst)};
+            const IR::F32 up_factor{ir.FPRecip(ir.ResolutionDownFactor())};
+            const IR::Value converted{ir.FPMul(new_inst, up_factor)};
+            inst.ReplaceUsesWith(converted);
+        }
+        break;
+    }
+
+    default:
+        break;
+    }
+}
+
+void PatchFragCoord(IR::Block& block, IR::Inst& inst) {
+    IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
+    const IR::F32 down_factor{ir.ResolutionDownFactor()};
+    const IR::F32 frag_coord{ir.GetAttribute(inst.Arg(0).Attribute())};
+    const IR::F32 downscaled_frag_coord{ir.FPMul(frag_coord, down_factor)};
+    inst.ReplaceUsesWith(downscaled_frag_coord);
+}
+
+void PatchPointSize(IR::Block& block, IR::Inst& inst) {
+    IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
+    const IR::F32 point_value{inst.Arg(1)};
+    const IR::F32 up_factor{ir.FPRecip(ir.ResolutionDownFactor())};
+    const IR::F32 upscaled_point_value{ir.FPMul(point_value, up_factor)};
+    inst.SetArg(1, upscaled_point_value);
+}
+
+[[nodiscard]] IR::U32 Scale(IR::IREmitter& ir, const IR::U1& is_scaled, const IR::U32& value) {
+    IR::U32 scaled_value{value};
+    if (const u32 up_scale = Settings::values.resolution_info.up_scale; up_scale != 1) {
+        scaled_value = ir.IMul(scaled_value, ir.Imm32(up_scale));
+    }
+    if (const u32 down_shift = Settings::values.resolution_info.down_shift; down_shift != 0) {
+        scaled_value = ir.ShiftRightArithmetic(scaled_value, ir.Imm32(down_shift));
+    }
+    return IR::U32{ir.Select(is_scaled, scaled_value, value)};
+}
+
+[[nodiscard]] IR::U32 SubScale(IR::IREmitter& ir, const IR::U1& is_scaled, const IR::U32& value,
+                               const IR::Attribute attrib) {
+    const IR::F32 up_factor{ir.Imm32(Settings::values.resolution_info.up_factor)};
+    const IR::F32 base{ir.FPMul(ir.ConvertUToF(32, 32, value), up_factor)};
+    const IR::F32 frag_coord{ir.GetAttribute(attrib)};
+    const IR::F32 down_factor{ir.Imm32(Settings::values.resolution_info.down_factor)};
+    const IR::F32 floor{ir.FPMul(up_factor, ir.FPFloor(ir.FPMul(frag_coord, down_factor)))};
+    const IR::F16F32F64 deviation{ir.FPAdd(base, ir.FPAdd(frag_coord, ir.FPNeg(floor)))};
+    return IR::U32{ir.Select(is_scaled, ir.ConvertFToU(32, deviation), value)};
+}
+
+[[nodiscard]] IR::U32 DownScale(IR::IREmitter& ir, const IR::U1& is_scaled, const IR::U32& value) {
+    IR::U32 scaled_value{value};
+    if (const u32 down_shift = Settings::values.resolution_info.down_shift; down_shift != 0) {
+        scaled_value = ir.ShiftLeftLogical(scaled_value, ir.Imm32(down_shift));
+    }
+    if (const u32 up_scale = Settings::values.resolution_info.up_scale; up_scale != 1) {
+        scaled_value = ir.IDiv(scaled_value, ir.Imm32(up_scale));
+    }
+    return IR::U32{ir.Select(is_scaled, scaled_value, value)};
+}
+
+void PatchImageQueryDimensions(IR::Block& block, IR::Inst& inst) {
+    const auto it{IR::Block::InstructionList::s_iterator_to(inst)};
+    IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
+    const auto info{inst.Flags<IR::TextureInstInfo>()};
+    const IR::U1 is_scaled{ir.IsTextureScaled(ir.Imm32(info.descriptor_index))};
+    switch (info.type) {
+    case TextureType::Color2D:
+    case TextureType::ColorArray2D: {
+        const IR::Value new_inst{&*block.PrependNewInst(it, inst)};
+        const IR::U32 width{DownScale(ir, is_scaled, IR::U32{ir.CompositeExtract(new_inst, 0)})};
+        const IR::U32 height{DownScale(ir, is_scaled, IR::U32{ir.CompositeExtract(new_inst, 1)})};
+        const IR::Value replacement{ir.CompositeConstruct(
+            width, height, ir.CompositeExtract(new_inst, 2), ir.CompositeExtract(new_inst, 3))};
+        inst.ReplaceUsesWith(replacement);
+        break;
+    }
+    case TextureType::Color1D:
+    case TextureType::ColorArray1D:
+    case TextureType::Color3D:
+    case TextureType::ColorCube:
+    case TextureType::ColorArrayCube:
+    case TextureType::Buffer:
+        // Nothing to patch here
+        break;
+    }
+}
+
+void ScaleIntegerComposite(IR::IREmitter& ir, IR::Inst& inst, const IR::U1& is_scaled,
+                           size_t index) {
+    const IR::Value composite{inst.Arg(index)};
+    if (composite.IsEmpty()) {
+        return;
+    }
+    const auto info{inst.Flags<IR::TextureInstInfo>()};
+    const IR::U32 x{Scale(ir, is_scaled, IR::U32{ir.CompositeExtract(composite, 0)})};
+    const IR::U32 y{Scale(ir, is_scaled, IR::U32{ir.CompositeExtract(composite, 1)})};
+    switch (info.type) {
+    case TextureType::Color2D:
+        inst.SetArg(index, ir.CompositeConstruct(x, y));
+        break;
+    case TextureType::ColorArray2D: {
+        const IR::U32 z{ir.CompositeExtract(composite, 2)};
+        inst.SetArg(index, ir.CompositeConstruct(x, y, z));
+        break;
+    }
+    case TextureType::Color1D:
+    case TextureType::ColorArray1D:
+    case TextureType::Color3D:
+    case TextureType::ColorCube:
+    case TextureType::ColorArrayCube:
+    case TextureType::Buffer:
+        // Nothing to patch here
+        break;
+    }
+}
+
+void SubScaleCoord(IR::IREmitter& ir, IR::Inst& inst, const IR::U1& is_scaled) {
+    const auto info{inst.Flags<IR::TextureInstInfo>()};
+    const IR::Value coord{inst.Arg(1)};
+    const IR::U32 coord_x{ir.CompositeExtract(coord, 0)};
+    const IR::U32 coord_y{ir.CompositeExtract(coord, 1)};
+
+    const IR::U32 scaled_x{SubScale(ir, is_scaled, coord_x, IR::Attribute::PositionX)};
+    const IR::U32 scaled_y{SubScale(ir, is_scaled, coord_y, IR::Attribute::PositionY)};
+    switch (info.type) {
+    case TextureType::Color2D:
+        inst.SetArg(1, ir.CompositeConstruct(scaled_x, scaled_y));
+        break;
+    case TextureType::ColorArray2D: {
+        const IR::U32 z{ir.CompositeExtract(coord, 2)};
+        inst.SetArg(1, ir.CompositeConstruct(scaled_x, scaled_y, z));
+        break;
+    }
+    case TextureType::Color1D:
+    case TextureType::ColorArray1D:
+    case TextureType::Color3D:
+    case TextureType::ColorCube:
+    case TextureType::ColorArrayCube:
+    case TextureType::Buffer:
+        // Nothing to patch here
+        break;
+    }
+}
+
+void SubScaleImageFetch(IR::Block& block, IR::Inst& inst) {
+    IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
+    const auto info{inst.Flags<IR::TextureInstInfo>()};
+    if (!IsTextureTypeRescalable(info.type)) {
+        return;
+    }
+    const IR::U1 is_scaled{ir.IsTextureScaled(ir.Imm32(info.descriptor_index))};
+    SubScaleCoord(ir, inst, is_scaled);
+    // Scale ImageFetch offset
+    ScaleIntegerComposite(ir, inst, is_scaled, 2);
+}
+
+void SubScaleImageRead(IR::Block& block, IR::Inst& inst) {
+    IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
+    const auto info{inst.Flags<IR::TextureInstInfo>()};
+    if (!IsTextureTypeRescalable(info.type)) {
+        return;
+    }
+    const IR::U1 is_scaled{ir.IsImageScaled(ir.Imm32(info.descriptor_index))};
+    SubScaleCoord(ir, inst, is_scaled);
+}
+
+void PatchImageFetch(IR::Block& block, IR::Inst& inst) {
+    IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
+    const auto info{inst.Flags<IR::TextureInstInfo>()};
+    if (!IsTextureTypeRescalable(info.type)) {
+        return;
+    }
+    const IR::U1 is_scaled{ir.IsTextureScaled(ir.Imm32(info.descriptor_index))};
+    ScaleIntegerComposite(ir, inst, is_scaled, 1);
+    // Scale ImageFetch offset
+    ScaleIntegerComposite(ir, inst, is_scaled, 2);
+}
+
+void PatchImageRead(IR::Block& block, IR::Inst& inst) {
+    IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
+    const auto info{inst.Flags<IR::TextureInstInfo>()};
+    if (!IsTextureTypeRescalable(info.type)) {
+        return;
+    }
+    const IR::U1 is_scaled{ir.IsImageScaled(ir.Imm32(info.descriptor_index))};
+    ScaleIntegerComposite(ir, inst, is_scaled, 1);
+}
+
+void Visit(const IR::Program& program, IR::Block& block, IR::Inst& inst) {
+    const bool is_fragment_shader{program.stage == Stage::Fragment};
+    switch (inst.GetOpcode()) {
+    case IR::Opcode::GetAttribute: {
+        const IR::Attribute attr{inst.Arg(0).Attribute()};
+        switch (attr) {
+        case IR::Attribute::PositionX:
+        case IR::Attribute::PositionY:
+            if (is_fragment_shader && inst.Flags<u32>() != 0xDEADBEEF) {
+                PatchFragCoord(block, inst);
+            }
+            break;
+        default:
+            break;
+        }
+        break;
+    }
+    case IR::Opcode::SetAttribute: {
+        const IR::Attribute attr{inst.Arg(0).Attribute()};
+        switch (attr) {
+        case IR::Attribute::PointSize:
+            if (inst.Flags<u32>() != 0xDEADBEEF) {
+                PatchPointSize(block, inst);
+            }
+            break;
+        default:
+            break;
+        }
+        break;
+    }
+    case IR::Opcode::ImageQueryDimensions:
+        PatchImageQueryDimensions(block, inst);
+        break;
+    case IR::Opcode::ImageFetch:
+        if (is_fragment_shader) {
+            SubScaleImageFetch(block, inst);
+        } else {
+            PatchImageFetch(block, inst);
+        }
+        break;
+    case IR::Opcode::ImageRead:
+        if (is_fragment_shader) {
+            SubScaleImageRead(block, inst);
+        } else {
+            PatchImageRead(block, inst);
+        }
+        break;
+    default:
+        break;
+    }
+}
+} // Anonymous namespace
+
+void RescalingPass(IR::Program& program) {
+    const bool is_fragment_shader{program.stage == Stage::Fragment};
+    if (is_fragment_shader) {
+        for (IR::Block* const block : program.post_order_blocks) {
+            for (IR::Inst& inst : block->Instructions()) {
+                VisitMark(*block, inst);
+            }
+        }
+    }
+    for (IR::Block* const block : program.post_order_blocks) {
+        for (IR::Inst& inst : block->Instructions()) {
+            Visit(program, *block, inst);
+        }
+    }
+}
+
+} // namespace Shader::Optimization
diff --git a/src/shader_recompiler/shader_info.h b/src/shader_recompiler/shader_info.h
index 4ef4dbd40..9f375c30e 100644
--- a/src/shader_recompiler/shader_info.h
+++ b/src/shader_recompiler/shader_info.h
@@ -172,6 +172,7 @@ struct Info {
     bool uses_global_memory{};
     bool uses_atomic_image_u32{};
     bool uses_shadow_lod{};
+    bool uses_rescaling_uniform{};
 
     IR::Type used_constant_buffer_types{};
     IR::Type used_storage_buffer_types{};
@@ -190,4 +191,13 @@ struct Info {
     ImageDescriptors image_descriptors;
 };
 
+template <typename Descriptors>
+u32 NumDescriptors(const Descriptors& descriptors) {
+    u32 num{};
+    for (const auto& desc : descriptors) {
+        num += desc.count;
+    }
+    return num;
+}
+
 } // namespace Shader