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// Copyright 2018 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SRC_DAWN_NATIVE_OPENGL_DEVICEGL_H_
#define SRC_DAWN_NATIVE_OPENGL_DEVICEGL_H_
#include <memory>
#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
using EGLImage = void*;
namespace dawn::native::opengl {
class Device final : public DeviceBase {
public:
class Context;
static ResultOrError<Ref<Device>> Create(AdapterBase* adapter,
const UnpackedPtr<DeviceDescriptor>& descriptor,
const OpenGLFunctions& functions,
std::unique_ptr<Context> context,
const TogglesState& deviceToggles,
Ref<DeviceBase::DeviceLostEvent>&& lostEvent);
~Device() override;
MaybeError Initialize(const UnpackedPtr<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);
int GetMaxTextureMaxAnisotropy() const;
MaybeError ValidateTextureCanBeWrapped(const UnpackedPtr<TextureDescriptor>& descriptor);
Ref<TextureBase> CreateTextureWrappingEGLImage(const ExternalImageDescriptor* descriptor,
::EGLImage image);
Ref<TextureBase> CreateTextureWrappingGLTexture(const ExternalImageDescriptor* descriptor,
GLuint texture);
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;
bool MayRequireDuplicationOfIndirectParameters() const override;
bool ShouldApplyIndexBufferOffsetToFirstIndex() const override;
class Context {
public:
virtual ~Context() {}
virtual void MakeCurrent() = 0;
};
private:
Device(AdapterBase* adapter,
const UnpackedPtr<DeviceDescriptor>& descriptor,
const OpenGLFunctions& functions,
std::unique_ptr<Context> context,
const TogglesState& deviceToggles,
Ref<DeviceBase::DeviceLostEvent>&& lostEvent);
ResultOrError<Ref<BindGroupBase>> CreateBindGroupImpl(
const BindGroupDescriptor* descriptor) override;
ResultOrError<Ref<BindGroupLayoutInternalBase>> CreateBindGroupLayoutImpl(
const BindGroupLayoutDescriptor* descriptor) override;
ResultOrError<Ref<BufferBase>> CreateBufferImpl(
const UnpackedPtr<BufferDescriptor>& descriptor) override;
ResultOrError<Ref<PipelineLayoutBase>> CreatePipelineLayoutImpl(
const UnpackedPtr<PipelineLayoutDescriptor>& descriptor) override;
ResultOrError<Ref<QuerySetBase>> CreateQuerySetImpl(
const QuerySetDescriptor* descriptor) override;
ResultOrError<Ref<SamplerBase>> CreateSamplerImpl(const SamplerDescriptor* descriptor) override;
ResultOrError<Ref<ShaderModuleBase>> CreateShaderModuleImpl(
const UnpackedPtr<ShaderModuleDescriptor>& descriptor,
ShaderModuleParseResult* parseResult,
OwnedCompilationMessages* compilationMessages) override;
ResultOrError<Ref<SwapChainBase>> CreateSwapChainImpl(
Surface* surface,
SwapChainBase* previousSwapChain,
const SurfaceConfiguration* config) override;
ResultOrError<Ref<TextureBase>> CreateTextureImpl(
const UnpackedPtr<TextureDescriptor>& descriptor) override;
ResultOrError<Ref<TextureViewBase>> CreateTextureViewImpl(
TextureBase* texture,
const UnpackedPtr<TextureViewDescriptor>& descriptor) override;
Ref<ComputePipelineBase> CreateUninitializedComputePipelineImpl(
const UnpackedPtr<ComputePipelineDescriptor>& descriptor) override;
Ref<RenderPipelineBase> CreateUninitializedRenderPipelineImpl(
const UnpackedPtr<RenderPipelineDescriptor>& descriptor) override;
ResultOrError<wgpu::TextureUsage> GetSupportedSurfaceUsageImpl(
const Surface* surface) const override;
GLenum GetBGRAInternalFormat(const OpenGLFunctions& gl) const;
void DestroyImpl() override;
const OpenGLFunctions mGL;
GLFormatTable mFormatTable;
std::unique_ptr<Context> mContext = nullptr;
int mMaxTextureMaxAnisotropy = 0;
};
} // namespace dawn::native::opengl
#endif // SRC_DAWN_NATIVE_OPENGL_DEVICEGL_H_