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2a4af6906e
This version does not recycle buffers. It is meant only as an initial solution, and the proper buffer recycling logic has been broken out into a separate change
91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/content_handler/vulkan_native_rasterizer.h"
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#include <utility>
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#include "flutter/vulkan/vulkan_native_surface_magma.h"
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namespace flutter_runner {
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VulkanNativeRasterizer::VulkanNativeRasterizer()
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: compositor_context_(nullptr) {
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auto proc_table = ftl::MakeRefCounted<vulkan::VulkanProcTable>();
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if (!proc_table->HasAcquiredMandatoryProcAddresses()) {
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return;
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}
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auto native_surface = std::make_unique<vulkan::VulkanNativeSurfaceMagma>();
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if (!native_surface->IsValid()) {
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return;
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}
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auto window = std::make_unique<vulkan::VulkanWindow>(
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proc_table, std::move(native_surface));
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if (!window->IsValid()) {
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return;
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}
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window_ = std::move(window);
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}
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VulkanNativeRasterizer::~VulkanNativeRasterizer() = default;
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bool VulkanNativeRasterizer::IsValid() const {
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return window_ == nullptr ? false : window_->IsValid();
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}
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void VulkanNativeRasterizer::SetScene(
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fidl::InterfaceHandle<mozart::Scene> scene) {
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// TODO: Composition is currently unsupported using the Vulkan backend.
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}
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void VulkanNativeRasterizer::Draw(std::unique_ptr<flow::LayerTree> layer_tree,
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ftl::Closure callback) {
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Draw(std::move(layer_tree));
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callback();
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}
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bool VulkanNativeRasterizer::Draw(std::unique_ptr<flow::LayerTree> layer_tree) {
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if (layer_tree == nullptr) {
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FTL_DLOG(INFO) << "Layer tree was not valid.";
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return false;
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}
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if (!window_->IsValid()) {
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FTL_DLOG(INFO) << "Vulkan window was not valid.";
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return false;
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}
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auto surface = window_->AcquireSurface();
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if (!surface && surface->getCanvas() != nullptr) {
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FTL_DLOG(INFO) << "Could not acquire a vulkan surface.";
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return false;
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}
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{
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auto compositor_frame = compositor_context_.AcquireFrame(
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window_->GetSkiaGrContext(), // GrContext*
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surface->getCanvas(), // SkCanvas
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true // instrumentation
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);
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layer_tree->Raster(compositor_frame);
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}
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if (!window_->SwapBuffers()) {
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FTL_DLOG(INFO) << "Could not swap buffers successfully.";
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return false;
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}
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return true;
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}
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} // namespace flutter_runner
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