[spir-v] Add is_integer flag to texture descriptors and update image type handling

src/shader_recompiler/backend/spirv/spirv_emit_context.cpp

@@ -30,7 +30,7 @@ enum class Operation {
 
 Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
     const spv::ImageFormat format{spv::ImageFormat::Unknown};
-    const Id type{ctx.F32[1]};
+    const Id type{desc.is_integer ? ctx.U32[1] : ctx.F32[1]};
     const bool depth{desc.is_depth};
     const bool ms{desc.is_multisample};
     switch (desc.type) {
@@ -1377,6 +1377,7 @@ void EmitContext::DefineTextures(const Info& info, u32& binding, u32& scaling_in
             .image_type = image_type,
             .count = desc.count,
             .is_multisample = desc.is_multisample,
+            .is_integer = desc.is_integer,
         });
         if (profile.supported_spirv >= 0x00010400) {
             interfaces.push_back(id);

src/shader_recompiler/backend/spirv/spirv_emit_context.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -38,6 +41,7 @@ struct TextureDefinition {
     Id image_type;
     u32 count;
     bool is_multisample;
+    bool is_integer;
 };
 
 struct TextureBufferDefinition {

src/shader_recompiler/ir_opt/texture_pass.cpp

@@ -445,6 +445,7 @@ public:
         })};
         // TODO: Read this from TIC
         texture_descriptors[index].is_multisample |= desc.is_multisample;
+        texture_descriptors[index].is_integer |= desc.is_integer;
         return index;
     }
 
@@ -607,6 +608,7 @@ void TexturePass(Environment& env, IR::Program& program, const HostTranslateInfo
         default:
             break;
         }
+        const bool is_integer = IsTexturePixelFormatInteger(env, cbuf);
         u32 index;
         switch (inst->GetOpcode()) {
         case IR::Opcode::ImageRead:
@@ -627,7 +629,6 @@ void TexturePass(Environment& env, IR::Program& program, const HostTranslateInfo
             }
             const bool is_written{inst->GetOpcode() != IR::Opcode::ImageRead};
             const bool is_read{inst->GetOpcode() != IR::Opcode::ImageWrite};
-            const bool is_integer{IsTexturePixelFormatInteger(env, cbuf)};
             if (flags.type == TextureType::Buffer) {
                 index = descriptors.Add(ImageBufferDescriptor{
                     .format = flags.image_format,
@@ -672,6 +673,7 @@ void TexturePass(Environment& env, IR::Program& program, const HostTranslateInfo
                     .type = flags.type,
                     .is_depth = flags.is_depth != 0,
                     .is_multisample = is_multisample,
+                    .is_integer = is_integer,
                     .has_secondary = cbuf.has_secondary,
                     .cbuf_index = cbuf.index,
                     .cbuf_offset = cbuf.offset,

src/shader_recompiler/shader_info.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -206,6 +209,7 @@ struct TextureDescriptor {
     TextureType type;
     bool is_depth;
     bool is_multisample;
+    bool is_integer;
     bool has_secondary;
     u32 cbuf_index;
     u32 cbuf_offset;