blob: fbc9696b15d5289f5f81b341787847db2fa81fc4 [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "flutter/shell/gpu/gpu_surface_vulkan.h"
#include "flutter/fml/logging.h"
namespace flutter {
GPUSurfaceVulkan::GPUSurfaceVulkan(
fml::RefPtr<vulkan::VulkanProcTable> proc_table,
std::unique_ptr<vulkan::VulkanNativeSurface> native_surface)
: window_(std::move(proc_table), std::move(native_surface)),
weak_factory_(this) {}
GPUSurfaceVulkan::~GPUSurfaceVulkan() = default;
// |Surface|
bool GPUSurfaceVulkan::IsValid() {
return window_.IsValid();
}
// |Surface|
std::unique_ptr<SurfaceFrame> GPUSurfaceVulkan::AcquireFrame(
const SkISize& size) {
auto surface = window_.AcquireSurface();
if (surface == nullptr) {
return nullptr;
}
SurfaceFrame::SubmitCallback callback =
[weak_this = weak_factory_.GetWeakPtr()](const SurfaceFrame&,
SkCanvas* canvas) -> bool {
// Frames are only ever acquired on the GPU thread. This is also the thread
// on which the weak pointer factory is collected (as this instance is owned
// by the rasterizer). So this use of weak pointers is safe.
if (canvas == nullptr || !weak_this) {
return false;
}
return weak_this->window_.SwapBuffers();
};
return std::make_unique<SurfaceFrame>(std::move(surface),
std::move(callback));
}
// |Surface|
SkMatrix GPUSurfaceVulkan::GetRootTransformation() const {
// This backend does not support delegating to the underlying platform to
// query for root surface transformations. Just return identity.
SkMatrix matrix;
matrix.reset();
return matrix;
}
// |Surface|
GrContext* GPUSurfaceVulkan::GetContext() {
return window_.GetSkiaGrContext();
}
} // namespace flutter