blob: e539249ed2d7eadf0790067261499e9567b5b41c [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 "impeller/renderer/backend/gles/context_gles.h"
#include "impeller/base/config.h"
#include "impeller/base/validation.h"
#include "impeller/base/work_queue_common.h"
namespace impeller {
std::shared_ptr<ContextGLES> ContextGLES::Create(
std::unique_ptr<ProcTableGLES> gl,
const std::vector<std::shared_ptr<fml::Mapping>>& shader_libraries) {
return std::shared_ptr<ContextGLES>(
new ContextGLES(std::move(gl), shader_libraries));
}
ContextGLES::ContextGLES(std::unique_ptr<ProcTableGLES> gl,
const std::vector<std::shared_ptr<fml::Mapping>>&
shader_libraries_mappings) {
reactor_ = std::make_shared<ReactorGLES>(std::move(gl));
if (!reactor_->IsValid()) {
VALIDATION_LOG << "Could not create valid reactor.";
return;
}
// Create the shader library.
{
auto library = std::shared_ptr<ShaderLibraryGLES>(
new ShaderLibraryGLES(shader_libraries_mappings));
if (!library->IsValid()) {
VALIDATION_LOG << "Could not create valid shader library.";
return;
}
shader_library_ = std::move(library);
}
// Create the pipeline library.
{
pipeline_library_ =
std::shared_ptr<PipelineLibraryGLES>(new PipelineLibraryGLES(reactor_));
}
// Create allocators.
{
resource_allocator_ =
std::shared_ptr<AllocatorGLES>(new AllocatorGLES(reactor_));
if (!resource_allocator_->IsValid()) {
VALIDATION_LOG << "Could not create a resource allocator.";
return;
}
}
// Create the sampler library.
{
sampler_library_ =
std::shared_ptr<SamplerLibraryGLES>(new SamplerLibraryGLES());
}
// Create the work queue.
{
work_queue_ = WorkQueueCommon::Create();
if (!work_queue_) {
VALIDATION_LOG << "Could not create work queue.";
return;
}
}
is_valid_ = true;
}
ContextGLES::~ContextGLES() = default;
const ReactorGLES::Ref& ContextGLES::GetReactor() const {
return reactor_;
}
std::optional<ReactorGLES::WorkerID> ContextGLES::AddReactorWorker(
const std::shared_ptr<ReactorGLES::Worker>& worker) {
if (!IsValid()) {
return std::nullopt;
}
return reactor_->AddWorker(worker);
}
bool ContextGLES::RemoveReactorWorker(ReactorGLES::WorkerID id) {
if (!IsValid()) {
return false;
}
return reactor_->RemoveWorker(id);
}
bool ContextGLES::IsValid() const {
return is_valid_;
}
// |Context|
std::shared_ptr<Allocator> ContextGLES::GetResourceAllocator() const {
return resource_allocator_;
}
// |Context|
std::shared_ptr<ShaderLibrary> ContextGLES::GetShaderLibrary() const {
return shader_library_;
}
// |Context|
std::shared_ptr<SamplerLibrary> ContextGLES::GetSamplerLibrary() const {
return sampler_library_;
}
// |Context|
std::shared_ptr<PipelineLibrary> ContextGLES::GetPipelineLibrary() const {
return pipeline_library_;
}
// |Context|
std::shared_ptr<CommandBuffer> ContextGLES::CreateCommandBuffer() const {
return std::shared_ptr<CommandBufferGLES>(
new CommandBufferGLES(weak_from_this(), reactor_));
}
// |Context|
std::shared_ptr<WorkQueue> ContextGLES::GetWorkQueue() const {
return work_queue_;
}
// |Context|
bool ContextGLES::HasThreadingRestrictions() const {
return true;
}
// |Context|
bool ContextGLES::SupportsOffscreenMSAA() const {
return false;
}
// |Context|
const BackendFeatures& ContextGLES::GetBackendFeatures() const {
return kLegacyBackendFeatures;
}
} // namespace impeller