video_core: Clear runtime on rasterizer cache flush

* When changing res scale or custom textures a large number of textures will be replaced so better not keep the old ones

src/video_core/rasterizer_cache/rasterizer_cache.h

@@ -1264,6 +1264,7 @@ void RasterizerCache<T>::UnregisterAll() {
     }
     texture_cube_cache.clear();
     remove_surfaces.clear();
+    runtime.Clear();
 }
 
 template <class T>

src/video_core/renderer_opengl/gl_texture_runtime.cpp

@@ -96,6 +96,11 @@ TextureRuntime::TextureRuntime(Driver& driver)
 
 TextureRuntime::~TextureRuntime() = default;
 
+void TextureRuntime::Clear() {
+    framebuffer_cache.clear();
+    texture_recycler.clear();
+}
+
 StagingData TextureRuntime::FindStaging(u32 size, bool upload) {
     if (!upload) {
         if (size > download_buffer.size()) {

src/video_core/renderer_opengl/gl_texture_runtime.h

@@ -97,6 +97,9 @@ public:
     /// Causes a GPU command flush
     void Finish() const {}
 
+    /// Destroys runtime cached resources
+    void Clear();
+
     /// Takes back ownership of the allocation for recycling
     void Recycle(const HostTextureTag tag, Allocation&& alloc);
 

src/video_core/renderer_vulkan/vk_renderpass_cache.cpp

@@ -32,13 +32,17 @@ RenderpassCache::~RenderpassCache() {
         }
     }
 
-    for (auto& [key, framebuffer] : framebuffers) {
-        device.destroyFramebuffer(framebuffer);
-    }
-
+    ClearFramebuffers();
     device.destroyRenderPass(present_renderpass);
 }
 
+void RenderpassCache::ClearFramebuffers() {
+    for (auto& [key, framebuffer] : framebuffers) {
+        instance.GetDevice().destroyFramebuffer(framebuffer);
+    }
+    framebuffers.clear();
+}
+
 void RenderpassCache::EnterRenderpass(Surface* const color, Surface* const depth_stencil,
                                       vk::Rect2D render_area, bool do_clear, vk::ClearValue clear) {
     return EnterRenderpass(Framebuffer{color, depth_stencil, render_area}, do_clear, clear);

src/video_core/renderer_vulkan/vk_renderpass_cache.h

@@ -49,6 +49,9 @@ public:
     RenderpassCache(const Instance& instance, Scheduler& scheduler);
     ~RenderpassCache();
 
+    /// Destroys cached framebuffers
+    void ClearFramebuffers();
+
     /// Begins a new renderpass only when no other renderpass is currently active
     void EnterRenderpass(const Framebuffer& framebuffer, bool do_clear = false,
                          vk::ClearValue clear = {});

src/video_core/renderer_vulkan/vk_texture_runtime.cpp

@@ -130,23 +130,7 @@ TextureRuntime::TextureRuntime(const Instance& instance, Scheduler& scheduler,
 }
 
 TextureRuntime::~TextureRuntime() {
-    VmaAllocator allocator = instance.GetAllocator();
-    vk::Device device = instance.GetDevice();
-    device.waitIdle();
-
-    for (const auto& [key, alloc] : texture_recycler) {
-        vmaDestroyImage(allocator, alloc.image, alloc.allocation);
-        device.destroyImageView(alloc.image_view);
-        if (alloc.depth_view) {
-            device.destroyImageView(alloc.depth_view);
-            device.destroyImageView(alloc.stencil_view);
-        }
-        if (alloc.storage_view) {
-            device.destroyImageView(alloc.storage_view);
-        }
-    }
-
-    texture_recycler.clear();
+    Clear();
 }
 
 StagingData TextureRuntime::FindStaging(u32 size, bool upload) {
@@ -164,6 +148,29 @@ void TextureRuntime::Finish() {
     scheduler.Finish();
 }
 
+void TextureRuntime::Clear() {
+    scheduler.Finish();
+
+    VmaAllocator allocator = instance.GetAllocator();
+    vk::Device device = instance.GetDevice();
+    device.waitIdle();
+
+    renderpass_cache.ClearFramebuffers();
+    for (const auto& [key, alloc] : texture_recycler) {
+        vmaDestroyImage(allocator, alloc.image, alloc.allocation);
+        device.destroyImageView(alloc.image_view);
+        if (alloc.depth_view) {
+            device.destroyImageView(alloc.depth_view);
+            device.destroyImageView(alloc.stencil_view);
+        }
+        if (alloc.storage_view) {
+            device.destroyImageView(alloc.storage_view);
+        }
+    }
+
+    texture_recycler.clear();
+}
+
 Allocation TextureRuntime::Allocate(u32 width, u32 height, u32 levels,
                                     VideoCore::PixelFormat format, VideoCore::TextureType type) {
     const FormatTraits traits = instance.GetTraits(format);

src/video_core/renderer_vulkan/vk_texture_runtime.h

@@ -92,6 +92,9 @@ public:
     /// Causes a GPU command flush
     void Finish();
 
+    /// Destroys runtime cached resources
+    void Clear();
+
     /// Takes back ownership of the allocation for recycling
     void Recycle(const HostTextureTag tag, Allocation&& alloc);