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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* 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.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#pragma once
#include <memory>
#include "EngineGLImplTraits.hpp"
#include "RenderDeviceBase.hpp"
#include "GLContext.hpp"
#include "VAOCache.hpp"
#include "BaseInterfacesGL.h"
#include "FBOCache.hpp"
#include "TexRegionRender.hpp"
namespace Diligent
{
/// Render device implementation in OpenGL backend.
// RenderDeviceGLESImpl is inherited from RenderDeviceGLImpl
class RenderDeviceGLImpl : public RenderDeviceBase<EngineGLImplTraits>
{
public:
using TRenderDeviceBase = RenderDeviceBase<EngineGLImplTraits>;
RenderDeviceGLImpl(IReferenceCounters* pRefCounters,
IMemoryAllocator& RawMemAllocator,
IEngineFactory* pEngineFactory,
const EngineGLCreateInfo& InitAttribs,
const SwapChainDesc* pSCDesc = nullptr) noexcept(false);
~RenderDeviceGLImpl();
virtual void DILIGENT_CALL_TYPE QueryInterface(const INTERFACE_ID& IID, IObject** ppInterface) override;
/// Implementation of IRenderDevice::CreateBuffer() in OpenGL backend.
void CreateBuffer(const BufferDesc& BuffDesc,
const BufferData* pBuffData,
IBuffer** ppBuffer,
bool bIsDeviceInternal);
virtual void DILIGENT_CALL_TYPE CreateBuffer(const BufferDesc& BuffDesc,
const BufferData* BuffData,
IBuffer** ppBuffer) override final;
/// Implementation of IRenderDevice::CreateShader() in OpenGL backend.
void CreateShader(const ShaderCreateInfo& ShaderCreateInfo,
IShader** ppShader,
bool bIsDeviceInternal);
virtual void DILIGENT_CALL_TYPE CreateShader(const ShaderCreateInfo& ShaderCreateInfo,
IShader** ppShader) override final;
/// Implementation of IRenderDevice::CreateTexture() in OpenGL backend.
void CreateTexture(const TextureDesc& TexDesc,
const TextureData* pData,
ITexture** ppTexture,
bool bIsDeviceInternal);
virtual void DILIGENT_CALL_TYPE CreateTexture(const TextureDesc& TexDesc,
const TextureData* Data,
ITexture** ppTexture) override final;
/// Implementation of IRenderDevice::CreateSampler() in OpenGL backend.
void CreateSampler(const SamplerDesc& SamplerDesc,
ISampler** ppSampler,
bool bIsDeviceInternal);
virtual void DILIGENT_CALL_TYPE CreateSampler(const SamplerDesc& SamplerDesc,
ISampler** ppSampler) override final;
/// Implementation of IRenderDevice::CreateGraphicsPipelineState() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreateGraphicsPipelineState(const GraphicsPipelineStateCreateInfo& PSOCreateInfo,
IPipelineState** ppPipelineState) override final;
/// Implementation of IRenderDevice::CreateComputePipelineState() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreateComputePipelineState(const ComputePipelineStateCreateInfo& PSOCreateInfo,
IPipelineState** ppPipelineState) override final;
/// Implementation of IRenderDevice::CreateRayTracingPipelineState() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreateRayTracingPipelineState(const RayTracingPipelineStateCreateInfo& PSOCreateInfo,
IPipelineState** ppPipelineState) override final;
void CreateGraphicsPipelineState(const GraphicsPipelineStateCreateInfo& PSOCreateInfo,
IPipelineState** ppPipelineState,
bool bIsDeviceInternal);
void CreateComputePipelineState(const ComputePipelineStateCreateInfo& PSOCreateInfo,
IPipelineState** ppPipelineState,
bool bIsDeviceInternal);
/// Implementation of IRenderDevice::CreateFence() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreateFence(const FenceDesc& Desc, IFence** ppFence) override final;
/// Implementation of IRenderDevice::CreateQuery() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreateQuery(const QueryDesc& Desc, IQuery** ppQuery) override final;
/// Implementation of IRenderDevice::CreateRenderPass() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreateRenderPass(const RenderPassDesc& Desc,
IRenderPass** ppRenderPass) override final;
/// Implementation of IRenderDevice::CreateFramebuffer() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreateFramebuffer(const FramebufferDesc& Desc,
IFramebuffer** ppFramebuffer) override final;
/// Implementation of IRenderDevice::CreateBLAS() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreateBLAS(const BottomLevelASDesc& Desc,
IBottomLevelAS** ppBLAS) override final;
/// Implementation of IRenderDevice::CreateTLAS() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreateTLAS(const TopLevelASDesc& Desc,
ITopLevelAS** ppTLAS) override final;
/// Implementation of IRenderDevice::CreateSBT() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreateSBT(const ShaderBindingTableDesc& Desc,
IShaderBindingTable** ppSBT) override final;
/// Implementation of IRenderDevice::CreatePipelineResourceSignature() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE CreatePipelineResourceSignature(const PipelineResourceSignatureDesc& Desc,
IPipelineResourceSignature** ppSignature) override final;
void CreatePipelineResourceSignature(const PipelineResourceSignatureDesc& Desc,
IPipelineResourceSignature** ppSignature,
bool IsDeviceInternal);
/// Implementation of IRenderDeviceGL::CreateTextureFromGLHandle().
virtual void DILIGENT_CALL_TYPE CreateTextureFromGLHandle(Uint32 GLHandle,
Uint32 GLBindTarget,
const TextureDesc& TexDesc,
RESOURCE_STATE InitialState,
ITexture** ppTexture) override final;
/// Implementation of IRenderDeviceGL::CreateBufferFromGLHandle().
virtual void DILIGENT_CALL_TYPE CreateBufferFromGLHandle(Uint32 GLHandle,
const BufferDesc& BuffDesc,
RESOURCE_STATE InitialState,
IBuffer** ppBuffer) override final;
/// Implementation of IRenderDeviceGL::CreateDummyTexture().
virtual void DILIGENT_CALL_TYPE CreateDummyTexture(const TextureDesc& TexDesc,
RESOURCE_STATE InitialState,
ITexture** ppTexture) override final;
/// Implementation of IRenderDevice::ReleaseStaleResources() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE ReleaseStaleResources(bool ForceRelease = false) override final {}
/// Implementation of IRenderDevice::IdleGPU() in OpenGL backend.
virtual void DILIGENT_CALL_TYPE IdleGPU() override final;
FBOCache& GetFBOCache(GLContext::NativeGLContextType Context);
void OnReleaseTexture(ITexture* pTexture);
VAOCache& GetVAOCache(GLContext::NativeGLContextType Context);
void OnDestroyPSO(IPipelineState* pPSO);
void OnDestroyBuffer(IBuffer* pBuffer);
size_t GetCommandQueueCount() const { return 1; }
Uint64 GetCommandQueueMask() const { return Uint64{1}; }
void InitTexRegionRender();
struct DeviceLimits
{
GLint MaxUniformBlocks;
GLint MaxTextureUnits;
GLint MaxStorageBlock;
GLint MaxImagesUnits;
};
const DeviceLimits& GetDeviceLimits() const { return m_DeviceLimits; }
protected:
friend class DeviceContextGLImpl;
friend class TextureBaseGL;
friend class PipelineStateGLImpl;
friend class ShaderGLImpl;
friend class BufferGLImpl;
friend class TextureViewGLImpl;
friend class SwapChainGLImpl;
friend class GLContextState;
// Must be the first member because its constructor initializes OpenGL
GLContext m_GLContext;
std::unordered_set<String> m_ExtensionStrings;
ThreadingTools::LockFlag m_VAOCacheLockFlag;
std::unordered_map<GLContext::NativeGLContextType, VAOCache> m_VAOCache;
ThreadingTools::LockFlag m_FBOCacheLockFlag;
std::unordered_map<GLContext::NativeGLContextType, FBOCache> m_FBOCache;
std::unique_ptr<TexRegionRender> m_pTexRegionRender;
private:
virtual void TestTextureFormat(TEXTURE_FORMAT TexFormat) override final;
bool CheckExtension(const Char* ExtensionString);
void FlagSupportedTexFormats();
int m_ShowDebugGLOutput = 1;
DeviceLimits m_DeviceLimits = {};
};
} // namespace Diligent
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