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// Copyright 2018 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_DAWN_NATIVE_OPENGL_DEVICEGL_H_
#define SRC_DAWN_NATIVE_OPENGL_DEVICEGL_H_
#include <memory>
#include <queue>
#include <utility>
#include "dawn/native/dawn_platform.h"
#include "dawn/common/Platform.h"
#include "dawn/native/Device.h"
#include "dawn/native/QuerySet.h"
#include "dawn/native/opengl/Forward.h"
#include "dawn/native/opengl/GLFormat.h"
#include "dawn/native/opengl/OpenGLFunctions.h"
// Remove windows.h macros after glad's include of windows.h
#if DAWN_PLATFORM_IS(WINDOWS)
#include "dawn/common/windows_with_undefs.h"
#endif
typedef void* EGLImage;
namespace dawn::native::opengl {
class Device final : public DeviceBase {
public:
class Context;
static ResultOrError<Ref<Device>> Create(AdapterBase* adapter,
const DeviceDescriptor* descriptor,
const OpenGLFunctions& functions,
std::unique_ptr<Context> context,
const TogglesState& deviceToggles);
~Device() override;
MaybeError Initialize(const DeviceDescriptor* descriptor);
// Returns all the OpenGL entry points and ensures that the associated
// Context is current.
const OpenGLFunctions& GetGL() const;
const GLFormat& GetGLFormat(const Format& format);
void SubmitFenceSync();
MaybeError ValidateEGLImageCanBeWrapped(const TextureDescriptor* descriptor, ::EGLImage image);
TextureBase* CreateTextureWrappingEGLImage(const ExternalImageDescriptor* descriptor,
::EGLImage image);
ResultOrError<Ref<CommandBufferBase>> CreateCommandBuffer(
CommandEncoder* encoder,
const CommandBufferDescriptor* descriptor) override;
MaybeError TickImpl() override;
MaybeError CopyFromStagingToBufferImpl(BufferBase* source,
uint64_t sourceOffset,
BufferBase* destination,
uint64_t destinationOffset,
uint64_t size) override;
MaybeError CopyFromStagingToTextureImpl(const BufferBase* source,
const TextureDataLayout& src,
const TextureCopy& dst,
const Extent3D& copySizePixels) override;
uint32_t GetOptimalBytesPerRowAlignment() const override;
uint64_t GetOptimalBufferToTextureCopyOffsetAlignment() const override;
float GetTimestampPeriodInNS() const override;
void ForceEventualFlushOfCommands() override;
class Context {
public:
virtual ~Context() {}
virtual void MakeCurrent() = 0;
};
private:
Device(AdapterBase* adapter,
const DeviceDescriptor* descriptor,
const OpenGLFunctions& functions,
std::unique_ptr<Context> context,
const TogglesState& deviceToggless);
ResultOrError<Ref<BindGroupBase>> CreateBindGroupImpl(
const BindGroupDescriptor* descriptor) override;
ResultOrError<Ref<BindGroupLayoutBase>> CreateBindGroupLayoutImpl(
const BindGroupLayoutDescriptor* descriptor,
PipelineCompatibilityToken pipelineCompatibilityToken) override;
ResultOrError<Ref<BufferBase>> CreateBufferImpl(const BufferDescriptor* descriptor) override;
ResultOrError<Ref<PipelineLayoutBase>> CreatePipelineLayoutImpl(
const PipelineLayoutDescriptor* descriptor) override;
ResultOrError<Ref<QuerySetBase>> CreateQuerySetImpl(
const QuerySetDescriptor* descriptor) override;
ResultOrError<Ref<SamplerBase>> CreateSamplerImpl(const SamplerDescriptor* descriptor) override;
ResultOrError<Ref<ShaderModuleBase>> CreateShaderModuleImpl(
const ShaderModuleDescriptor* descriptor,
ShaderModuleParseResult* parseResult,
OwnedCompilationMessages* compilationMessages) override;
ResultOrError<Ref<SwapChainBase>> CreateSwapChainImpl(
Surface* surface,
SwapChainBase* previousSwapChain,
const SwapChainDescriptor* descriptor) override;
ResultOrError<Ref<TextureBase>> CreateTextureImpl(const TextureDescriptor* descriptor) override;
ResultOrError<Ref<TextureViewBase>> CreateTextureViewImpl(
TextureBase* texture,
const TextureViewDescriptor* descriptor) override;
Ref<ComputePipelineBase> CreateUninitializedComputePipelineImpl(
const ComputePipelineDescriptor* descriptor) override;
Ref<RenderPipelineBase> CreateUninitializedRenderPipelineImpl(
const RenderPipelineDescriptor* descriptor) override;
ResultOrError<wgpu::TextureUsage> GetSupportedSurfaceUsageImpl(
const Surface* surface) const override;
GLenum GetBGRAInternalFormat() const;
ResultOrError<ExecutionSerial> CheckAndUpdateCompletedSerials() override;
void DestroyImpl() override;
MaybeError WaitForIdleForDestruction() override;
bool HasPendingCommands() const override;
const OpenGLFunctions mGL;
std::queue<std::pair<GLsync, ExecutionSerial>> mFencesInFlight;
GLFormatTable mFormatTable;
std::unique_ptr<Context> mContext = nullptr;
// Has pending GL commands which are not associated with a fence.
mutable bool mHasPendingCommands = false;
};
} // namespace dawn::native::opengl
#endif // SRC_DAWN_NATIVE_OPENGL_DEVICEGL_H_