Vulkan: Enable FramebufferVk cache on Apple

include/platform/FeaturesVk.h

@@ -333,11 +333,6 @@ struct FeaturesVk : FeatureSetBase
                                        "Enable Android pre-rotation for landscape applications",
                                        &members, "http://anglebug.com/3502"};
 
-    // Cache FramebufferVk objects. Currently hitting a bug on Apple: http://anglebug.com/4442
-    Feature enableFramebufferVkCache = {"enableFramebufferVkCache", FeatureCategory::VulkanFeatures,
-                                        "Enable FramebufferVk objects to be cached", &members,
-                                        "http://anglebug.com/4442"};
-
     // Enable precision qualifiers for shaders generated by Vulkan backend http://anglebug.com/3078
     Feature enablePrecisionQualifiers = {
         "enablePrecisionQualifiers", FeatureCategory::VulkanFeatures,

src/libANGLE/renderer/vulkan/FramebufferVk.cpp

@@ -1954,16 +1954,8 @@ angle::Result FramebufferVk::getFramebuffer(ContextVk *contextVk,
     auto iter = mFramebufferCache.find(mCurrentFramebufferDesc);
     if (iter != mFramebufferCache.end())
     {
-        if (contextVk->getRenderer()->getFeatures().enableFramebufferVkCache.enabled)
-        {
-            *framebufferOut = &iter->second.getFramebuffer();
-            return angle::Result::Continue;
-        }
-        else
-        {
-            // When cache is off just release previous entry, it will be recreated below
-            iter->second.release(contextVk);
-        }
+        *framebufferOut = &iter->second.getFramebuffer();
+        return angle::Result::Continue;
     }
 
     vk::RenderPass *compatibleRenderPass = nullptr;

src/libANGLE/renderer/vulkan/RendererVk.cpp

@@ -1979,9 +1979,6 @@ void RendererVk::initFeatures(DisplayVk *displayVk,
     // Android pre-rotation support can be disabled.
     ANGLE_FEATURE_CONDITION(&mFeatures, enablePreRotateSurfaces, IsAndroid());
 
-    // Currently disable FramebufferVk cache on Apple: http://anglebug.com/4442
-    ANGLE_FEATURE_CONDITION(&mFeatures, enableFramebufferVkCache, !IsApple());
-
     // Currently disabled by default: http://anglebug.com/3078
     ANGLE_FEATURE_CONDITION(
         &mFeatures, enablePrecisionQualifiers,