flutter_flutter/shell/platform/embedder/platform_view_embedder.cc

89 lines
2.6 KiB
C++

// Copyright 2017 The Chromium 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/platform/embedder/platform_view_embedder.h"
#include "flutter/shell/common/io_manager.h"
namespace shell {
PlatformViewEmbedder::PlatformViewEmbedder(PlatformView::Delegate& delegate,
blink::TaskRunners task_runners,
DispatchTable dispatch_table,
bool fbo_reset_after_present)
: PlatformView(delegate, std::move(task_runners)),
dispatch_table_(dispatch_table),
fbo_reset_after_present_(fbo_reset_after_present) {}
PlatformViewEmbedder::~PlatformViewEmbedder() = default;
// |shell::GPUSurfaceGLDelegate|
bool PlatformViewEmbedder::GLContextMakeCurrent() {
return dispatch_table_.gl_make_current_callback();
}
// |shell::GPUSurfaceGLDelegate|
bool PlatformViewEmbedder::GLContextClearCurrent() {
return dispatch_table_.gl_clear_current_callback();
}
// |shell::GPUSurfaceGLDelegate|
bool PlatformViewEmbedder::GLContextPresent() {
return dispatch_table_.gl_present_callback();
}
// |shell::GPUSurfaceGLDelegate|
intptr_t PlatformViewEmbedder::GLContextFBO() const {
return dispatch_table_.gl_fbo_callback();
}
// |shell::GPUSurfaceGLDelegate|
bool PlatformViewEmbedder::GLContextFBOResetAfterPresent() const {
return fbo_reset_after_present_;
}
// |shell::GPUSurfaceGLDelegate|
SkMatrix PlatformViewEmbedder::GLContextSurfaceTransformation() const {
auto callback = dispatch_table_.gl_surface_transformation_callback;
if (!callback) {
SkMatrix matrix;
matrix.setIdentity();
return matrix;
}
return callback();
}
void PlatformViewEmbedder::HandlePlatformMessage(
fml::RefPtr<blink::PlatformMessage> message) {
if (!message) {
return;
}
if (!message->response()) {
return;
}
if (dispatch_table_.platform_message_response_callback == nullptr) {
message->response()->CompleteEmpty();
return;
}
dispatch_table_.platform_message_response_callback(std::move(message));
}
std::unique_ptr<Surface> PlatformViewEmbedder::CreateRenderingSurface() {
return std::make_unique<GPUSurfaceGL>(this);
}
sk_sp<GrContext> PlatformViewEmbedder::CreateResourceContext() const {
auto callback = dispatch_table_.gl_make_resource_current_callback;
if (callback && callback()) {
return IOManager::CreateCompatibleResourceLoadingContext(
GrBackend::kOpenGL_GrBackend);
}
return nullptr;
}
} // namespace shell