renderer: simplify image view cache

src/graphics/host_gpu/renderer/image/image.cpp

@@ -736,15 +736,10 @@ Image::~Image() {
 	if (m_graphics == nullptr) {
 		return;
 	}
-	{
-		std::lock_guard lock(views.mutex);
-		for (auto& cached: views.views) {
-			if (cached.view != nullptr) {
-				m_graphics->device.destroyImageView(cached.view, nullptr);
-				cached.view = nullptr;
-			}
+	for (const auto& cached: views) {
+		if (cached.view != nullptr) {
+			m_graphics->device.destroyImageView(cached.view, nullptr);
 		}
-		views.views.clear();
 	}
 	if (backing.image != nullptr) {
 		m_graphics->DeleteImage(backing);

src/graphics/host_gpu/renderer/image/image.h

@@ -8,7 +8,6 @@
 
 #include <compare>
 #include <limits>
-#include <mutex>
 #include <optional>
 #include <span>
 #include <utility>
@@ -27,14 +26,6 @@ struct CachedImageView {
 	vk::ImageView view = nullptr;
 };
 
-struct ImageViewCache {
-	ImageViewCache() = default;
-	KYTY_CLASS_NO_COPY(ImageViewCache);
-
-	std::mutex                   mutex;
-	std::vector<CachedImageView> views;
-};
-
 struct ImageUsage {
 	bool texture       = false;
 	bool storage       = false;
@@ -150,7 +141,7 @@ public:
 
 	ImageInfo        info;
 	VulkanImage      backing;
-	ImageViewCache   views;
+	std::vector<CachedImageView> views;
 	ImageUsage       usage;
 	ImageBinding     binding;
 	bool             registered     = false;

src/graphics/host_gpu/renderer/image/imageView.cpp

@@ -4,8 +4,6 @@
 #include "graphics/host_gpu/graphicContext.h"
 #include "graphics/host_gpu/renderer/image/image.h"
 
-#include <mutex>
-
 namespace Libs::Graphics {
 
 namespace {
@@ -357,8 +355,7 @@ vk::ImageView Image::FindView(const ImageViewInfo& view_info) {
 		     image.layers);
 	}
 
-	std::lock_guard lock(views.mutex);
-	for (const auto& cached: views.views) {
+	for (const auto& cached: views) {
 		if (cached.info == normalized) {
 			return cached.view;
 		}
@@ -394,7 +391,7 @@ vk::ImageView Image::FindView(const ImageViewInfo& view_info) {
 		     view_info.level_count, view_info.base_layer, view_info.layer_count,
 		     static_cast<vk::ImageUsageFlags::MaskType>(view_info.usage));
 	}
-	views.views.push_back({normalized, view});
+	views.push_back({normalized, view});
 	return view;
 }