[Impeller] eagerly bootstrap content context.

shell/platform/android/android_surface_vulkan_impeller.cc

@@ -24,6 +24,8 @@ AndroidSurfaceVulkanImpeller::AndroidSurfaceVulkanImpeller(
   auto& context_vk =
       impeller::ContextVK::Cast(*android_context->GetImpellerContext());
   surface_context_vk_ = context_vk.CreateSurfaceContext();
+  eager_gpu_surface_ =
+      std::make_unique<GPUSurfaceVulkanImpeller>(surface_context_vk_);
 }
 
 AndroidSurfaceVulkanImpeller::~AndroidSurfaceVulkanImpeller() = default;
@@ -46,6 +48,14 @@ std::unique_ptr<Surface> AndroidSurfaceVulkanImpeller::CreateGPUSurface(
     return nullptr;
   }
 
+  if (eager_gpu_surface_) {
+    auto gpu_surface = std::move(eager_gpu_surface_);
+    if (!gpu_surface->IsValid()) {
+      return nullptr;
+    }
+    return gpu_surface;
+  }
+
   std::unique_ptr<GPUSurfaceVulkanImpeller> gpu_surface =
       std::make_unique<GPUSurfaceVulkanImpeller>(surface_context_vk_);
 

shell/platform/android/android_surface_vulkan_impeller.h

@@ -11,6 +11,7 @@
 #include "flutter/shell/platform/android/android_context_vulkan_impeller.h"
 #include "flutter/shell/platform/android/surface/android_native_window.h"
 #include "flutter/shell/platform/android/surface/android_surface.h"
+#include "shell/gpu/gpu_surface_vulkan_impeller.h"
 
 namespace flutter {
 
@@ -49,6 +50,11 @@ class AndroidSurfaceVulkanImpeller : public AndroidSurface {
  private:
   std::shared_ptr<impeller::SurfaceContextVK> surface_context_vk_;
   fml::RefPtr<AndroidNativeWindow> native_window_;
+  // The first GPU Surface is initialized as soon as the
+  // AndroidSurfaceVulkanImpeller is created. This ensures that the pipelines
+  // are bootstrapped as early as possible.
+  std::unique_ptr<GPUSurfaceVulkanImpeller> eager_gpu_surface_;
+
   bool is_valid_ = false;
 
   FML_DISALLOW_COPY_AND_ASSIGN(AndroidSurfaceVulkanImpeller);