4 files changed, 38 insertions, 20 deletions

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 70eece9af..4e266cdad 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -1098,6 +1098,9 @@ void RasterizerOpenGL::SetupImage(u32 binding, const Tegra::Texture::TICEntry& t
     if (!tic.IsBuffer()) {
         view->ApplySwizzle(tic.x_source, tic.y_source, tic.z_source, tic.w_source);
     }
+    if (entry.IsWritten()) {
+        view->MarkAsModified(texture_cache.Tick());
+    }
     state.images[binding] = view->GetTexture();
 }
 
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index a5cc1a86f..6edb2ca38 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -389,11 +389,10 @@ public:
         for (const auto& sampler : ir.GetSamplers()) {
             entries.samplers.emplace_back(sampler);
         }
-        for (const auto& image : ir.GetImages()) {
+        for (const auto& [offset, image] : ir.GetImages()) {
             entries.images.emplace_back(image);
         }
-        for (const auto& gmem_pair : ir.GetGlobalMemory()) {
-            const auto& [base, usage] = gmem_pair;
+        for (const auto& [base, usage] : ir.GetGlobalMemory()) {
             entries.global_memory_entries.emplace_back(base.cbuf_index, base.cbuf_offset,
                                                        usage.is_read, usage.is_written);
         }
@@ -706,7 +705,7 @@ private:
 
     void DeclareImages() {
         const auto& images{ir.GetImages()};
-        for (const auto& image : images) {
+        for (const auto& [offset, image] : images) {
             const std::string image_type = [&]() {
                 switch (image.GetType()) {
                 case Tegra::Shader::ImageType::Texture1D:
@@ -726,9 +725,16 @@ private:
                     return "image1D";
                 }
             }();
-            code.AddLine("layout (binding = IMAGE_BINDING_{}) coherent volatile writeonly uniform "
+            std::string qualifier = "coherent volatile";
+            if (image.IsRead() && !image.IsWritten()) {
+                qualifier += " readonly";
+            } else if (image.IsWritten() && !image.IsRead()) {
+                qualifier += " writeonly";
+            }
+
+            code.AddLine("layout (binding = IMAGE_BINDING_{}) {} uniform "
                          "{} {};",
-                         image.GetIndex(), image_type, GetImage(image));
+                         image.GetIndex(), qualifier, image_type, GetImage(image));
         }
         if (!images.empty()) {
             code.AddNewLine();
diff --git a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
index 969fe9ced..5450feedf 100644
--- a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
@@ -341,13 +341,16 @@ std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEn
         u64 index{};
         u32 type{};
         u8 is_bindless{};
+        u8 is_read{};
+        u8 is_written{};
         if (!LoadObjectFromPrecompiled(offset) || !LoadObjectFromPrecompiled(index) ||
-            !LoadObjectFromPrecompiled(type) || !LoadObjectFromPrecompiled(is_bindless)) {
+            !LoadObjectFromPrecompiled(type) || !LoadObjectFromPrecompiled(is_bindless) ||
+            !LoadObjectFromPrecompiled(is_read) || !LoadObjectFromPrecompiled(is_written)) {
             return {};
         }
-        entry.entries.images.emplace_back(
-            static_cast<std::size_t>(offset), static_cast<std::size_t>(index),
-            static_cast<Tegra::Shader::ImageType>(type), is_bindless != 0);
+        entry.entries.images.emplace_back(static_cast<u64>(offset), static_cast<std::size_t>(index),
+                                          static_cast<Tegra::Shader::ImageType>(type),
+                                          is_bindless != 0, is_written != 0, is_read != 0);
     }
 
     u32 global_memory_count{};
@@ -429,7 +432,9 @@ bool ShaderDiskCacheOpenGL::SaveDecompiledFile(u64 unique_identifier, const std:
         if (!SaveObjectToPrecompiled(static_cast<u64>(image.GetOffset())) ||
             !SaveObjectToPrecompiled(static_cast<u64>(image.GetIndex())) ||
             !SaveObjectToPrecompiled(static_cast<u32>(image.GetType())) ||
-            !SaveObjectToPrecompiled(static_cast<u8>(image.IsBindless() ? 1 : 0))) {
+            !SaveObjectToPrecompiled(static_cast<u8>(image.IsBindless() ? 1 : 0)) ||
+            !SaveObjectToPrecompiled(static_cast<u8>(image.IsRead() ? 1 : 0)) ||
+            !SaveObjectToPrecompiled(static_cast<u8>(image.IsWritten() ? 1 : 0))) {
             return false;
         }
     }
diff --git a/src/video_core/renderer_opengl/gl_texture_cache.h b/src/video_core/renderer_opengl/gl_texture_cache.h
index 21324488a..8e13ab38b 100644
--- a/src/video_core/renderer_opengl/gl_texture_cache.h
+++ b/src/video_core/renderer_opengl/gl_texture_cache.h
@@ -78,6 +78,17 @@ public:
     /// Attaches this texture view to the current bound GL_DRAW_FRAMEBUFFER
     void Attach(GLenum attachment, GLenum target) const;
 
+    void ApplySwizzle(Tegra::Texture::SwizzleSource x_source,
+                      Tegra::Texture::SwizzleSource y_source,
+                      Tegra::Texture::SwizzleSource z_source,
+                      Tegra::Texture::SwizzleSource w_source);
+
+    void DecorateViewName(GPUVAddr gpu_addr, std::string prefix);
+
+    void MarkAsModified(u64 tick) {
+        surface.MarkAsModified(true, tick);
+    }
+
     GLuint GetTexture() const {
         if (is_proxy) {
             return surface.GetTexture();
@@ -89,13 +100,6 @@ public:
         return surface.GetSurfaceParams();
     }
 
-    void ApplySwizzle(Tegra::Texture::SwizzleSource x_source,
-                      Tegra::Texture::SwizzleSource y_source,
-                      Tegra::Texture::SwizzleSource z_source,
-                      Tegra::Texture::SwizzleSource w_source);
-
-    void DecorateViewName(GPUVAddr gpu_addr, std::string prefix);
-
 private:
     u32 EncodeSwizzle(Tegra::Texture::SwizzleSource x_source,
                       Tegra::Texture::SwizzleSource y_source,
@@ -111,8 +115,8 @@ private:
     GLenum target{};
 
     OGLTextureView texture_view;
-    u32 swizzle;
-    bool is_proxy;
+    u32 swizzle{};
+    bool is_proxy{};
 };
 
 class TextureCacheOpenGL final : public TextureCacheBase {