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vulkan_native_surface_android.cc
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vulkan_native_surface_android.cc
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// 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/vulkan/vulkan_native_surface_android.h"
#include <android/native_window.h>
#include "third_party/skia/include/gpu/vk/GrVkBackendContext.h"
namespace vulkan {
VulkanNativeSurfaceAndroid::VulkanNativeSurfaceAndroid(
ANativeWindow* native_window)
: native_window_(native_window) {
if (native_window_ == nullptr) {
return;
}
ANativeWindow_acquire(native_window_);
}
VulkanNativeSurfaceAndroid::~VulkanNativeSurfaceAndroid() {
if (native_window_ == nullptr) {
return;
}
ANativeWindow_release(native_window_);
}
const char* VulkanNativeSurfaceAndroid::GetExtensionName() const {
return VK_KHR_ANDROID_SURFACE_EXTENSION_NAME;
}
uint32_t VulkanNativeSurfaceAndroid::GetSkiaExtensionName() const {
return kKHR_android_surface_GrVkExtensionFlag;
}
VkSurfaceKHR VulkanNativeSurfaceAndroid::CreateSurfaceHandle(
VulkanProcTable& vk,
const VulkanHandle<VkInstance>& instance) const {
if (!vk.IsValid() || !instance) {
return VK_NULL_HANDLE;
}
const VkAndroidSurfaceCreateInfoKHR create_info = {
.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR,
.pNext = nullptr,
.flags = 0,
.window = native_window_,
};
VkSurfaceKHR surface = VK_NULL_HANDLE;
if (VK_CALL_LOG_ERROR(vk.CreateAndroidSurfaceKHR(
instance, &create_info, nullptr, &surface)) != VK_SUCCESS) {
return VK_NULL_HANDLE;
}
return surface;
}
bool VulkanNativeSurfaceAndroid::IsValid() const {
return native_window_ != nullptr;
}
SkISize VulkanNativeSurfaceAndroid::GetSize() const {
return native_window_ == nullptr
? SkISize::Make(0, 0)
: SkISize::Make(ANativeWindow_getWidth(native_window_),
ANativeWindow_getHeight(native_window_));
}
} // namespace vulkan