src/libANGLE/renderer/d3d/d3d11/Renderer11.h - experimental/angle/angle - Git at Google

 //
 // Copyright (c) 2012-2014 The ANGLE Project Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //

 // Renderer11.h: Defines a back-end specific class for the D3D11 renderer.

 #ifndef LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_H_
 #define LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_H_

 #include "common/angleutils.h"
 #include "common/mathutil.h"
 #include "libANGLE/AttributeMap.h"
 #include "libANGLE/angletypes.h"
 #include "libANGLE/renderer/d3d/HLSLCompiler.h"
 #include "libANGLE/renderer/d3d/RendererD3D.h"
 #include "libANGLE/renderer/d3d/RenderTargetD3D.h"
 #include "libANGLE/renderer/d3d/d3d11/DebugAnnotator11.h"
 #include "libANGLE/renderer/d3d/d3d11/InputLayoutCache.h"
 #include "libANGLE/renderer/d3d/d3d11/RenderStateCache.h"

 namespace gl
 {
 class FramebufferAttachment;
 struct ImageIndex;
 }

 namespace rx
 {

 class VertexDataManager;
 class IndexDataManager;
 class StreamingIndexBufferInterface;
 class Blit11;
 class Clear11;
 class PixelTransfer11;
 class RenderTarget11;
 class Trim11;
 struct PackPixelsParams;

 struct Renderer11DeviceCaps
 {
     D3D_FEATURE_LEVEL featureLevel;
     bool supportsDXGI1_2;               // Support for DXGI 1.2
     bool supportsClearView;             // Support for ID3D11DeviceContext1::ClearView
     bool supportsConstantBufferOffsets; // Support for Constant buffer offset
     UINT B5G6R5support;                 // Bitfield of D3D11_FORMAT_SUPPORT values for DXGI_FORMAT_B5G6R5_UNORM
     UINT B4G4R4A4support;               // Bitfield of D3D11_FORMAT_SUPPORT values for DXGI_FORMAT_B4G4R4A4_UNORM
     UINT B5G5R5A1support;               // Bitfield of D3D11_FORMAT_SUPPORT values for DXGI_FORMAT_B5G5R5A1_UNORM
 };

 enum
 {
     MAX_VERTEX_UNIFORM_VECTORS_D3D11 = 1024,
     MAX_FRAGMENT_UNIFORM_VECTORS_D3D11 = 1024
 };

 // Possible reasons RendererD3D initialize can fail
 enum D3D11InitError
 {
     // The renderer loaded successfully
     D3D11_INIT_SUCCESS = 0,
     // Failed to load the ANGLE & D3D compiler libraries
     D3D11_INIT_COMPILER_ERROR,
     // Failed to load a necessary DLL (non-compiler)
     D3D11_INIT_MISSING_DEP,
     // CreateDevice returned E_INVALIDARG
     D3D11_INIT_CREATEDEVICE_INVALIDARG,
     // CreateDevice failed with an error other than invalid arg
     D3D11_INIT_CREATEDEVICE_ERROR,
     // DXGI 1.2 required but not found
     D3D11_INIT_INCOMPATIBLE_DXGI,
     // Other initialization error
     D3D11_INIT_OTHER_ERROR,
     // CreateDevice returned E_FAIL
     D3D11_INIT_CREATEDEVICE_FAIL,
     // CreateDevice returned E_NOTIMPL
     D3D11_INIT_CREATEDEVICE_NOTIMPL,
     // CreateDevice returned E_OUTOFMEMORY
     D3D11_INIT_CREATEDEVICE_OUTOFMEMORY,
     // CreateDevice returned DXGI_ERROR_INVALID_CALL
     D3D11_INIT_CREATEDEVICE_INVALIDCALL,
     // CreateDevice returned DXGI_ERROR_SDK_COMPONENT_MISSING
     D3D11_INIT_CREATEDEVICE_COMPONENTMISSING,
     // CreateDevice returned DXGI_ERROR_WAS_STILL_DRAWING
     D3D11_INIT_CREATEDEVICE_WASSTILLDRAWING,
     // CreateDevice returned DXGI_ERROR_NOT_CURRENTLY_AVAILABLE
     D3D11_INIT_CREATEDEVICE_NOTAVAILABLE,
     // CreateDevice returned DXGI_ERROR_DEVICE_HUNG
     D3D11_INIT_CREATEDEVICE_DEVICEHUNG,
     // CreateDevice returned NULL
     D3D11_INIT_CREATEDEVICE_NULL,
     NUM_D3D11_INIT_ERRORS
 };

 class Renderer11 : public RendererD3D
 {
   public:
     explicit Renderer11(egl::Display *display);
     virtual ~Renderer11();

     egl::Error initialize() override;
     virtual bool resetDevice();

     egl::ConfigSet generateConfigs() const override;

     gl::Error flush() override;
     gl::Error finish() override;

     virtual SwapChainD3D *createSwapChain(NativeWindow nativeWindow, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat);

     virtual gl::Error generateSwizzle(gl::Texture *texture);
     virtual gl::Error setSamplerState(gl::SamplerType type, int index, gl::Texture *texture, const gl::SamplerState &sampler);
     virtual gl::Error setTexture(gl::SamplerType type, int index, gl::Texture *texture);

     gl::Error setUniformBuffers(const gl::Data &data,
                                 const std::vector<GLint> &vertexUniformBuffers,
                                 const std::vector<GLint> &fragmentUniformBuffers) override;

     virtual gl::Error setRasterizerState(const gl::RasterizerState &rasterState);
     gl::Error setBlendState(const gl::Framebuffer *framebuffer, const gl::BlendState &blendState, const gl::ColorF &blendColor,
                             unsigned int sampleMask) override;
     virtual gl::Error setDepthStencilState(const gl::DepthStencilState &depthStencilState, int stencilRef,
                                            int stencilBackRef, bool frontFaceCCW);

     virtual void setScissorRectangle(const gl::Rectangle &scissor, bool enabled);
     virtual void setViewport(const gl::Rectangle &viewport, float zNear, float zFar, GLenum drawMode, GLenum frontFace,
                              bool ignoreViewport);

     virtual bool applyPrimitiveType(GLenum mode, GLsizei count, bool usesPointSize);
     gl::Error applyRenderTarget(const gl::Framebuffer *frameBuffer) override;
     gl::Error applyShaders(gl::Program *program,
                            const gl::Framebuffer *framebuffer,
                            bool rasterizerDiscard,
                            bool transformFeedbackActive) override;

     virtual gl::Error applyUniforms(const ProgramImpl &program, const std::vector<gl::LinkedUniform*> &uniformArray);
     virtual gl::Error applyVertexBuffer(const gl::State &state, GLenum mode, GLint first, GLsizei count, GLsizei instances, SourceIndexData *sourceIndexInfo);
     virtual gl::Error applyIndexBuffer(const GLvoid *indices, gl::Buffer *elementArrayBuffer, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo, SourceIndexData *sourceIndexInfo);
     void applyTransformFeedbackBuffers(const gl::State &state) override;

     gl::Error drawArrays(const gl::Data &data, GLenum mode, GLsizei count, GLsizei instances, bool usesPointSize) override;
     virtual gl::Error drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices,
                                    gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo, GLsizei instances,
                                    bool usesPointSize);

     virtual void markAllStateDirty();

     // lost device
     bool testDeviceLost() override;
     bool testDeviceResettable() override;

     VendorID getVendorId() const override;
     std::string getRendererDescription() const override;
     DeviceIdentifier getAdapterIdentifier() const override;

     virtual unsigned int getReservedVertexUniformVectors() const;
     virtual unsigned int getReservedFragmentUniformVectors() const;
     virtual unsigned int getReservedVertexUniformBuffers() const;
     virtual unsigned int getReservedFragmentUniformBuffers() const;
     virtual bool getShareHandleSupport() const;
     virtual bool getPostSubBufferSupport() const;

     virtual int getMajorShaderModel() const;
     int getMinorShaderModel() const override;
     std::string getShaderModelSuffix() const override;

     // Pixel operations
     virtual gl::Error copyImage2D(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                   const gl::Offset &destOffset, TextureStorage *storage, GLint level);
     virtual gl::Error copyImageCube(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                     const gl::Offset &destOffset, TextureStorage *storage, GLenum target, GLint level);
     virtual gl::Error copyImage3D(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                   const gl::Offset &destOffset, TextureStorage *storage, GLint level);
     virtual gl::Error copyImage2DArray(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                        const gl::Offset &destOffset, TextureStorage *storage, GLint level);

     // RenderTarget creation
     virtual gl::Error createRenderTarget(int width, int height, GLenum format, GLsizei samples, RenderTargetD3D **outRT);

     // Framebuffer creation
     FramebufferImpl *createDefaultFramebuffer(const gl::Framebuffer::Data &data) override;
     FramebufferImpl *createFramebuffer(const gl::Framebuffer::Data &data) override;

     // Shader creation
     virtual CompilerImpl *createCompiler(const gl::Data &data);
     virtual ShaderImpl *createShader(GLenum type);
     virtual ProgramImpl *createProgram();

     // Shader operations
     virtual gl::Error loadExecutable(const void *function, size_t length, ShaderType type,
                                      const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
                                      bool separatedOutputBuffers, ShaderExecutableD3D **outExecutable);
     virtual gl::Error compileToExecutable(gl::InfoLog &infoLog, const std::string &shaderHLSL, ShaderType type,
                                           const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
                                           bool separatedOutputBuffers, const D3DCompilerWorkarounds &workarounds,
                                           ShaderExecutableD3D **outExectuable);
     virtual UniformStorageD3D *createUniformStorage(size_t storageSize);

     // Image operations
     virtual ImageD3D *createImage();
     gl::Error generateMipmap(ImageD3D *dest, ImageD3D *source) override;
     gl::Error generateMipmapsUsingD3D(TextureStorage *storage, const gl::SamplerState &samplerState) override;
     virtual TextureStorage *createTextureStorage2D(SwapChainD3D *swapChain);
     virtual TextureStorage *createTextureStorage2D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels, bool hintLevelZeroOnly);
     virtual TextureStorage *createTextureStorageCube(GLenum internalformat, bool renderTarget, int size, int levels, bool hintLevelZeroOnly);
     virtual TextureStorage *createTextureStorage3D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels);
     virtual TextureStorage *createTextureStorage2DArray(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels);

     // Texture creation
     virtual TextureImpl *createTexture(GLenum target);

     // Renderbuffer creation
     virtual RenderbufferImpl *createRenderbuffer();

     // Buffer creation
     virtual BufferImpl *createBuffer();
     virtual VertexBuffer *createVertexBuffer();
     virtual IndexBuffer *createIndexBuffer();

     // Vertex Array creation
     VertexArrayImpl *createVertexArray(const gl::VertexArray::Data &data) override;

     // Query and Fence creation
     virtual QueryImpl *createQuery(GLenum type);
     virtual FenceNVImpl *createFenceNV();
     virtual FenceSyncImpl *createFenceSync();

     // Transform Feedback creation
     virtual TransformFeedbackImpl* createTransformFeedback();

     // D3D11-renderer specific methods
     ID3D11Device *getDevice() { return mDevice; }
     void *getD3DDevice() override;
     ID3D11DeviceContext *getDeviceContext() { return mDeviceContext; };
     ID3D11DeviceContext1 *getDeviceContext1IfSupported() { return mDeviceContext1; };
     DXGIFactory *getDxgiFactory() { return mDxgiFactory; };

     Blit11 *getBlitter() { return mBlit; }
     Clear11 *getClearer() { return mClear; }

     // Buffer-to-texture and Texture-to-buffer copies
     virtual bool supportsFastCopyBufferToTexture(GLenum internalFormat) const;
     virtual gl::Error fastCopyBufferToTexture(const gl::PixelUnpackState &unpack, unsigned int offset, RenderTargetD3D *destRenderTarget,
                                               GLenum destinationFormat, GLenum sourcePixelsType, const gl::Box &destArea);

     void unapplyRenderTargets();
     void setOneTimeRenderTarget(ID3D11RenderTargetView *renderTargetView);
     gl::Error packPixels(ID3D11Texture2D *readTexture, const PackPixelsParams &params, uint8_t *pixelsOut);

     bool getLUID(LUID *adapterLuid) const override;
     VertexConversionType getVertexConversionType(gl::VertexFormatType vertexFormatType) const override;
     GLenum getVertexComponentType(gl::VertexFormatType vertexFormatType) const override;

     gl::Error readTextureData(ID3D11Texture2D *texture, unsigned int subResource, const gl::Rectangle &area, GLenum format,
                               GLenum type, GLuint outputPitch, const gl::PixelPackState &pack, uint8_t *pixels);

     void setShaderResource(gl::SamplerType shaderType, UINT resourceSlot, ID3D11ShaderResourceView *srv);

     gl::Error blitRenderbufferRect(const gl::Rectangle &readRect, const gl::Rectangle &drawRect, RenderTargetD3D *readRenderTarget,
                                    RenderTargetD3D *drawRenderTarget, GLenum filter, const gl::Rectangle *scissor,
                                    bool colorBlit, bool depthBlit, bool stencilBlit);

     bool isES3Capable() const;
     const Renderer11DeviceCaps &getRenderer11DeviceCaps() { return mRenderer11DeviceCaps; };

     RendererClass getRendererClass() const override { return RENDERER_D3D11; }
     InputLayoutCache *getInputLayoutCache() { return &mInputLayoutCache; }

   protected:
     void createAnnotator() override;
     gl::Error clearTextures(gl::SamplerType samplerType, size_t rangeStart, size_t rangeEnd) override;

   private:
     void generateCaps(gl::Caps *outCaps, gl::TextureCapsMap *outTextureCaps,
                       gl::Extensions *outExtensions,
                       gl::Limitations *outLimitations) const override;

     Workarounds generateWorkarounds() const override;

     gl::Error drawLineLoop(GLsizei count, GLenum type, const GLvoid *indices, int minIndex, gl::Buffer *elementArrayBuffer);
     gl::Error drawTriangleFan(GLsizei count, GLenum type, const GLvoid *indices, int minIndex, gl::Buffer *elementArrayBuffer, int instances);

     ID3D11Texture2D *resolveMultisampledTexture(ID3D11Texture2D *source, unsigned int subresource);
     void unsetConflictingSRVs(gl::SamplerType shaderType, uintptr_t resource, const gl::ImageIndex &index);

     void populateRenderer11DeviceCaps();

     HMODULE mD3d11Module;
     HMODULE mDxgiModule;
     std::vector<D3D_FEATURE_LEVEL> mAvailableFeatureLevels;
     D3D_DRIVER_TYPE mDriverType;

     HLSLCompiler mCompiler;

     void initializeDevice();
     void releaseDeviceResources();
     void release();

     RenderStateCache mStateCache;

     // current render target states
     uintptr_t mAppliedRTVs[gl::IMPLEMENTATION_MAX_DRAW_BUFFERS];
     uintptr_t mAppliedDSV;
     bool mDepthStencilInitialized;
     bool mRenderTargetDescInitialized;

     struct RenderTargetDesc
     {
         size_t width;
         size_t height;
         DXGI_FORMAT format;
     };
     RenderTargetDesc mRenderTargetDesc;

     // Currently applied sampler states
     std::vector<bool> mForceSetVertexSamplerStates;
     std::vector<gl::SamplerState> mCurVertexSamplerStates;

     std::vector<bool> mForceSetPixelSamplerStates;
     std::vector<gl::SamplerState> mCurPixelSamplerStates;

     // Currently applied textures
     struct SRVRecord
     {
         uintptr_t srv;
         uintptr_t resource;
         D3D11_SHADER_RESOURCE_VIEW_DESC desc;
     };

     // A cache of current SRVs that also tracks the highest 'used' (non-NULL) SRV
     // We might want to investigate a more robust approach that is also fast when there's
     // a large gap between used SRVs (e.g. if SRV 0 and 7 are non-NULL, this approach will
     // waste time on SRVs 1-6.)
     class SRVCache : angle::NonCopyable
     {
       public:
         SRVCache()
             : mHighestUsedSRV(0)
         {
         }

         void initialize(size_t size)
         {
             mCurrentSRVs.resize(size);
         }

         size_t size() const { return mCurrentSRVs.size(); }
         size_t highestUsed() const { return mHighestUsedSRV; }

         const SRVRecord &operator[](size_t index) const { return mCurrentSRVs[index]; }
         void clear();
         void update(size_t resourceIndex, ID3D11ShaderResourceView *srv);

       private:
         std::vector<SRVRecord> mCurrentSRVs;
         size_t mHighestUsedSRV;
     };

     SRVCache mCurVertexSRVs;
     SRVCache mCurPixelSRVs;

     // A block of NULL pointers, cached so we don't re-allocate every draw call
     std::vector<ID3D11ShaderResourceView*> mNullSRVs;

     // Currently applied blend state
     bool mForceSetBlendState;
     gl::BlendState mCurBlendState;
     gl::ColorF mCurBlendColor;
     unsigned int mCurSampleMask;

     // Currently applied rasterizer state
     bool mForceSetRasterState;
     gl::RasterizerState mCurRasterState;

     // Currently applied depth stencil state
     bool mForceSetDepthStencilState;
     gl::DepthStencilState mCurDepthStencilState;
     int mCurStencilRef;
     int mCurStencilBackRef;

     // Currently applied scissor rectangle
     bool mForceSetScissor;
     bool mScissorEnabled;
     gl::Rectangle mCurScissor;

     // Currently applied viewport
     bool mForceSetViewport;
     gl::Rectangle mCurViewport;
     float mCurNear;
     float mCurFar;

     // Currently applied primitive topology
     D3D11_PRIMITIVE_TOPOLOGY mCurrentPrimitiveTopology;

     // Currently applied index buffer
     ID3D11Buffer *mAppliedIB;
     DXGI_FORMAT mAppliedIBFormat;
     unsigned int mAppliedIBOffset;
     bool mAppliedIBChanged;

     // Currently applied transform feedback buffers
     size_t mAppliedNumXFBBindings;
     ID3D11Buffer *mAppliedTFBuffers[gl::IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_BUFFERS]; // Tracks the current D3D buffers
                                                                                         // in use for streamout
     GLintptr mAppliedTFOffsets[gl::IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_BUFFERS]; // Tracks the current GL-specified
                                                                                    // buffer offsets to transform feedback
                                                                                    // buffers
     UINT mCurrentD3DOffsets[gl::IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_BUFFERS];  // Tracks the D3D buffer offsets,
                                                                                  // which may differ from GLs, due
                                                                                  // to different append behavior

     // Currently applied shaders
     uintptr_t mAppliedVertexShader;
     uintptr_t mAppliedGeometryShader;
     uintptr_t mAppliedPixelShader;

     dx_VertexConstants mVertexConstants;
     dx_VertexConstants mAppliedVertexConstants;
     ID3D11Buffer *mDriverConstantBufferVS;
     ID3D11Buffer *mCurrentVertexConstantBuffer;
     unsigned int mCurrentConstantBufferVS[gl::IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS];
     GLintptr mCurrentConstantBufferVSOffset[gl::IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS];
     GLsizeiptr mCurrentConstantBufferVSSize[gl::IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS];

     dx_PixelConstants mPixelConstants;
     dx_PixelConstants mAppliedPixelConstants;
     ID3D11Buffer *mDriverConstantBufferPS;
     ID3D11Buffer *mCurrentPixelConstantBuffer;
     unsigned int mCurrentConstantBufferPS[gl::IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS];
     GLintptr mCurrentConstantBufferPSOffset[gl::IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS];
     GLsizeiptr mCurrentConstantBufferPSSize[gl::IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS];

     ID3D11Buffer *mCurrentGeometryConstantBuffer;

     // Vertex, index and input layouts
     VertexDataManager *mVertexDataManager;
     IndexDataManager *mIndexDataManager;
     InputLayoutCache mInputLayoutCache;

     StreamingIndexBufferInterface *mLineLoopIB;
     StreamingIndexBufferInterface *mTriangleFanIB;

     // Texture copy resources
     Blit11 *mBlit;
     PixelTransfer11 *mPixelTransfer;

     // Masked clear resources
     Clear11 *mClear;

     // Perform trim for D3D resources
     Trim11 *mTrim;

     // Sync query
     ID3D11Query *mSyncQuery;

     ID3D11Device *mDevice;
     Renderer11DeviceCaps mRenderer11DeviceCaps;
     ID3D11DeviceContext *mDeviceContext;
     ID3D11DeviceContext1 *mDeviceContext1;
     IDXGIAdapter *mDxgiAdapter;
     DXGI_ADAPTER_DESC mAdapterDescription;
     char mDescription[128];
     DXGIFactory *mDxgiFactory;
     ID3D11Debug *mDebug;
 };

 }
 #endif // LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_H_
	//
	// Copyright (c) 2012-2014 The ANGLE Project Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.
	//

	// Renderer11.h: Defines a back-end specific class for the D3D11 renderer.

	#ifndef LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_H_
	#define LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_H_

	#include "common/angleutils.h"
	#include "common/mathutil.h"
	#include "libANGLE/AttributeMap.h"
	#include "libANGLE/angletypes.h"
	#include "libANGLE/renderer/d3d/HLSLCompiler.h"
	#include "libANGLE/renderer/d3d/RendererD3D.h"
	#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
	#include "libANGLE/renderer/d3d/d3d11/DebugAnnotator11.h"
	#include "libANGLE/renderer/d3d/d3d11/InputLayoutCache.h"
	#include "libANGLE/renderer/d3d/d3d11/RenderStateCache.h"

	namespace gl
	{
	class FramebufferAttachment;
	struct ImageIndex;
	}

	namespace rx
	{

	class VertexDataManager;
	class IndexDataManager;
	class StreamingIndexBufferInterface;
	class Blit11;
	class Clear11;
	class PixelTransfer11;
	class RenderTarget11;
	class Trim11;
	struct PackPixelsParams;

	struct Renderer11DeviceCaps
	{
	D3D_FEATURE_LEVEL featureLevel;
	bool supportsDXGI1_2; // Support for DXGI 1.2
	bool supportsClearView; // Support for ID3D11DeviceContext1::ClearView
	bool supportsConstantBufferOffsets; // Support for Constant buffer offset
	UINT B5G6R5support; // Bitfield of D3D11_FORMAT_SUPPORT values for DXGI_FORMAT_B5G6R5_UNORM
	UINT B4G4R4A4support; // Bitfield of D3D11_FORMAT_SUPPORT values for DXGI_FORMAT_B4G4R4A4_UNORM
	UINT B5G5R5A1support; // Bitfield of D3D11_FORMAT_SUPPORT values for DXGI_FORMAT_B5G5R5A1_UNORM
	};

	enum
	{
	MAX_VERTEX_UNIFORM_VECTORS_D3D11 = 1024,
	MAX_FRAGMENT_UNIFORM_VECTORS_D3D11 = 1024
	};

	// Possible reasons RendererD3D initialize can fail
	enum D3D11InitError
	{
	// The renderer loaded successfully
	D3D11_INIT_SUCCESS = 0,
	// Failed to load the ANGLE & D3D compiler libraries
	D3D11_INIT_COMPILER_ERROR,
	// Failed to load a necessary DLL (non-compiler)
	D3D11_INIT_MISSING_DEP,
	// CreateDevice returned E_INVALIDARG
	D3D11_INIT_CREATEDEVICE_INVALIDARG,
	// CreateDevice failed with an error other than invalid arg
	D3D11_INIT_CREATEDEVICE_ERROR,
	// DXGI 1.2 required but not found
	D3D11_INIT_INCOMPATIBLE_DXGI,
	// Other initialization error
	D3D11_INIT_OTHER_ERROR,
	// CreateDevice returned E_FAIL
	D3D11_INIT_CREATEDEVICE_FAIL,
	// CreateDevice returned E_NOTIMPL
	D3D11_INIT_CREATEDEVICE_NOTIMPL,
	// CreateDevice returned E_OUTOFMEMORY
	D3D11_INIT_CREATEDEVICE_OUTOFMEMORY,
	// CreateDevice returned DXGI_ERROR_INVALID_CALL
	D3D11_INIT_CREATEDEVICE_INVALIDCALL,
	// CreateDevice returned DXGI_ERROR_SDK_COMPONENT_MISSING
	D3D11_INIT_CREATEDEVICE_COMPONENTMISSING,
	// CreateDevice returned DXGI_ERROR_WAS_STILL_DRAWING
	D3D11_INIT_CREATEDEVICE_WASSTILLDRAWING,
	// CreateDevice returned DXGI_ERROR_NOT_CURRENTLY_AVAILABLE
	D3D11_INIT_CREATEDEVICE_NOTAVAILABLE,
	// CreateDevice returned DXGI_ERROR_DEVICE_HUNG
	D3D11_INIT_CREATEDEVICE_DEVICEHUNG,
	// CreateDevice returned NULL
	D3D11_INIT_CREATEDEVICE_NULL,
	NUM_D3D11_INIT_ERRORS
	};

	class Renderer11 : public RendererD3D
	{
	public:
	explicit Renderer11(egl::Display *display);
	virtual ~Renderer11();

	egl::Error initialize() override;
	virtual bool resetDevice();

	egl::ConfigSet generateConfigs() const override;

	gl::Error flush() override;
	gl::Error finish() override;

	virtual SwapChainD3D *createSwapChain(NativeWindow nativeWindow, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat);

	virtual gl::Error generateSwizzle(gl::Texture *texture);
	virtual gl::Error setSamplerState(gl::SamplerType type, int index, gl::Texture *texture, const gl::SamplerState &sampler);
	virtual gl::Error setTexture(gl::SamplerType type, int index, gl::Texture *texture);

	gl::Error setUniformBuffers(const gl::Data &data,
	const std::vector<GLint> &vertexUniformBuffers,
	const std::vector<GLint> &fragmentUniformBuffers) override;

	virtual gl::Error setRasterizerState(const gl::RasterizerState &rasterState);
	gl::Error setBlendState(const gl::Framebuffer *framebuffer, const gl::BlendState &blendState, const gl::ColorF &blendColor,
	unsigned int sampleMask) override;
	virtual gl::Error setDepthStencilState(const gl::DepthStencilState &depthStencilState, int stencilRef,
	int stencilBackRef, bool frontFaceCCW);

	virtual void setScissorRectangle(const gl::Rectangle &scissor, bool enabled);
	virtual void setViewport(const gl::Rectangle &viewport, float zNear, float zFar, GLenum drawMode, GLenum frontFace,
	bool ignoreViewport);

	virtual bool applyPrimitiveType(GLenum mode, GLsizei count, bool usesPointSize);
	gl::Error applyRenderTarget(const gl::Framebuffer *frameBuffer) override;
	gl::Error applyShaders(gl::Program *program,
	const gl::Framebuffer *framebuffer,
	bool rasterizerDiscard,
	bool transformFeedbackActive) override;

	virtual gl::Error applyUniforms(const ProgramImpl &program, const std::vector<gl::LinkedUniform*> &uniformArray);
	virtual gl::Error applyVertexBuffer(const gl::State &state, GLenum mode, GLint first, GLsizei count, GLsizei instances, SourceIndexData *sourceIndexInfo);
	virtual gl::Error applyIndexBuffer(const GLvoid indices, gl::Buffer elementArrayBuffer, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData indexInfo, SourceIndexData sourceIndexInfo);
	void applyTransformFeedbackBuffers(const gl::State &state) override;

	gl::Error drawArrays(const gl::Data &data, GLenum mode, GLsizei count, GLsizei instances, bool usesPointSize) override;
	virtual gl::Error drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices,
	gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo, GLsizei instances,
	bool usesPointSize);

	virtual void markAllStateDirty();

	// lost device
	bool testDeviceLost() override;
	bool testDeviceResettable() override;

	VendorID getVendorId() const override;
	std::string getRendererDescription() const override;
	DeviceIdentifier getAdapterIdentifier() const override;

	virtual unsigned int getReservedVertexUniformVectors() const;
	virtual unsigned int getReservedFragmentUniformVectors() const;
	virtual unsigned int getReservedVertexUniformBuffers() const;
	virtual unsigned int getReservedFragmentUniformBuffers() const;
	virtual bool getShareHandleSupport() const;
	virtual bool getPostSubBufferSupport() const;

	virtual int getMajorShaderModel() const;
	int getMinorShaderModel() const override;
	std::string getShaderModelSuffix() const override;

	// Pixel operations
	virtual gl::Error copyImage2D(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
	const gl::Offset &destOffset, TextureStorage *storage, GLint level);
	virtual gl::Error copyImageCube(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
	const gl::Offset &destOffset, TextureStorage *storage, GLenum target, GLint level);
	virtual gl::Error copyImage3D(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
	const gl::Offset &destOffset, TextureStorage *storage, GLint level);
	virtual gl::Error copyImage2DArray(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
	const gl::Offset &destOffset, TextureStorage *storage, GLint level);

	// RenderTarget creation
	virtual gl::Error createRenderTarget(int width, int height, GLenum format, GLsizei samples, RenderTargetD3D **outRT);

	// Framebuffer creation
	FramebufferImpl *createDefaultFramebuffer(const gl::Framebuffer::Data &data) override;
	FramebufferImpl *createFramebuffer(const gl::Framebuffer::Data &data) override;

	// Shader creation
	virtual CompilerImpl *createCompiler(const gl::Data &data);
	virtual ShaderImpl *createShader(GLenum type);
	virtual ProgramImpl *createProgram();

	// Shader operations
	virtual gl::Error loadExecutable(const void *function, size_t length, ShaderType type,
	const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
	bool separatedOutputBuffers, ShaderExecutableD3D **outExecutable);
	virtual gl::Error compileToExecutable(gl::InfoLog &infoLog, const std::string &shaderHLSL, ShaderType type,
	const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
	bool separatedOutputBuffers, const D3DCompilerWorkarounds &workarounds,
	ShaderExecutableD3D **outExectuable);
	virtual UniformStorageD3D *createUniformStorage(size_t storageSize);

	// Image operations
	virtual ImageD3D *createImage();
	gl::Error generateMipmap(ImageD3D dest, ImageD3D source) override;
	gl::Error generateMipmapsUsingD3D(TextureStorage *storage, const gl::SamplerState &samplerState) override;
	virtual TextureStorage createTextureStorage2D(SwapChainD3D swapChain);
	virtual TextureStorage *createTextureStorage2D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels, bool hintLevelZeroOnly);
	virtual TextureStorage *createTextureStorageCube(GLenum internalformat, bool renderTarget, int size, int levels, bool hintLevelZeroOnly);
	virtual TextureStorage *createTextureStorage3D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels);
	virtual TextureStorage *createTextureStorage2DArray(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels);

	// Texture creation
	virtual TextureImpl *createTexture(GLenum target);

	// Renderbuffer creation
	virtual RenderbufferImpl *createRenderbuffer();

	// Buffer creation
	virtual BufferImpl *createBuffer();
	virtual VertexBuffer *createVertexBuffer();
	virtual IndexBuffer *createIndexBuffer();

	// Vertex Array creation
	VertexArrayImpl *createVertexArray(const gl::VertexArray::Data &data) override;

	// Query and Fence creation
	virtual QueryImpl *createQuery(GLenum type);
	virtual FenceNVImpl *createFenceNV();
	virtual FenceSyncImpl *createFenceSync();

	// Transform Feedback creation
	virtual TransformFeedbackImpl* createTransformFeedback();

	// D3D11-renderer specific methods
	ID3D11Device *getDevice() { return mDevice; }
	void *getD3DDevice() override;
	ID3D11DeviceContext *getDeviceContext() { return mDeviceContext; };
	ID3D11DeviceContext1 *getDeviceContext1IfSupported() { return mDeviceContext1; };
	DXGIFactory *getDxgiFactory() { return mDxgiFactory; };

	Blit11 *getBlitter() { return mBlit; }
	Clear11 *getClearer() { return mClear; }

	// Buffer-to-texture and Texture-to-buffer copies
	virtual bool supportsFastCopyBufferToTexture(GLenum internalFormat) const;
	virtual gl::Error fastCopyBufferToTexture(const gl::PixelUnpackState &unpack, unsigned int offset, RenderTargetD3D *destRenderTarget,
	GLenum destinationFormat, GLenum sourcePixelsType, const gl::Box &destArea);

	void unapplyRenderTargets();
	void setOneTimeRenderTarget(ID3D11RenderTargetView *renderTargetView);
	gl::Error packPixels(ID3D11Texture2D readTexture, const PackPixelsParams &params, uint8_t pixelsOut);

	bool getLUID(LUID *adapterLuid) const override;
	VertexConversionType getVertexConversionType(gl::VertexFormatType vertexFormatType) const override;
	GLenum getVertexComponentType(gl::VertexFormatType vertexFormatType) const override;

	gl::Error readTextureData(ID3D11Texture2D *texture, unsigned int subResource, const gl::Rectangle &area, GLenum format,
	GLenum type, GLuint outputPitch, const gl::PixelPackState &pack, uint8_t *pixels);

	void setShaderResource(gl::SamplerType shaderType, UINT resourceSlot, ID3D11ShaderResourceView *srv);

	gl::Error blitRenderbufferRect(const gl::Rectangle &readRect, const gl::Rectangle &drawRect, RenderTargetD3D *readRenderTarget,
	RenderTargetD3D drawRenderTarget, GLenum filter, const gl::Rectangle scissor,
	bool colorBlit, bool depthBlit, bool stencilBlit);

	bool isES3Capable() const;
	const Renderer11DeviceCaps &getRenderer11DeviceCaps() { return mRenderer11DeviceCaps; };

	RendererClass getRendererClass() const override { return RENDERER_D3D11; }
	InputLayoutCache *getInputLayoutCache() { return &mInputLayoutCache; }

	protected:
	void createAnnotator() override;
	gl::Error clearTextures(gl::SamplerType samplerType, size_t rangeStart, size_t rangeEnd) override;

	private:
	void generateCaps(gl::Caps outCaps, gl::TextureCapsMap outTextureCaps,
	gl::Extensions *outExtensions,
	gl::Limitations *outLimitations) const override;

	Workarounds generateWorkarounds() const override;

	gl::Error drawLineLoop(GLsizei count, GLenum type, const GLvoid indices, int minIndex, gl::Buffer elementArrayBuffer);
	gl::Error drawTriangleFan(GLsizei count, GLenum type, const GLvoid indices, int minIndex, gl::Buffer elementArrayBuffer, int instances);

	ID3D11Texture2D resolveMultisampledTexture(ID3D11Texture2D source, unsigned int subresource);
	void unsetConflictingSRVs(gl::SamplerType shaderType, uintptr_t resource, const gl::ImageIndex &index);

	void populateRenderer11DeviceCaps();

	HMODULE mD3d11Module;
	HMODULE mDxgiModule;
	std::vector<D3D_FEATURE_LEVEL> mAvailableFeatureLevels;
	D3D_DRIVER_TYPE mDriverType;

	HLSLCompiler mCompiler;

	void initializeDevice();
	void releaseDeviceResources();
	void release();

	RenderStateCache mStateCache;

	// current render target states
	uintptr_t mAppliedRTVs[gl::IMPLEMENTATION_MAX_DRAW_BUFFERS];
	uintptr_t mAppliedDSV;
	bool mDepthStencilInitialized;
	bool mRenderTargetDescInitialized;

	struct RenderTargetDesc
	{
	size_t width;
	size_t height;
	DXGI_FORMAT format;
	};
	RenderTargetDesc mRenderTargetDesc;

	// Currently applied sampler states
	std::vector<bool> mForceSetVertexSamplerStates;
	std::vector<gl::SamplerState> mCurVertexSamplerStates;

	std::vector<bool> mForceSetPixelSamplerStates;
	std::vector<gl::SamplerState> mCurPixelSamplerStates;

	// Currently applied textures
	struct SRVRecord
	{
	uintptr_t srv;
	uintptr_t resource;
	D3D11_SHADER_RESOURCE_VIEW_DESC desc;
	};

	// A cache of current SRVs that also tracks the highest 'used' (non-NULL) SRV
	// We might want to investigate a more robust approach that is also fast when there's
	// a large gap between used SRVs (e.g. if SRV 0 and 7 are non-NULL, this approach will
	// waste time on SRVs 1-6.)
	class SRVCache : angle::NonCopyable
	{
	public:
	SRVCache()
	: mHighestUsedSRV(0)
	{
	}

	void initialize(size_t size)
	{
	mCurrentSRVs.resize(size);
	}

	size_t size() const { return mCurrentSRVs.size(); }
	size_t highestUsed() const { return mHighestUsedSRV; }

	const SRVRecord &operator[](size_t index) const { return mCurrentSRVs[index]; }
	void clear();
	void update(size_t resourceIndex, ID3D11ShaderResourceView *srv);

	private:
	std::vector<SRVRecord> mCurrentSRVs;
	size_t mHighestUsedSRV;
	};

	SRVCache mCurVertexSRVs;
	SRVCache mCurPixelSRVs;

	// A block of NULL pointers, cached so we don't re-allocate every draw call
	std::vector<ID3D11ShaderResourceView*> mNullSRVs;

	// Currently applied blend state
	bool mForceSetBlendState;
	gl::BlendState mCurBlendState;
	gl::ColorF mCurBlendColor;
	unsigned int mCurSampleMask;

	// Currently applied rasterizer state
	bool mForceSetRasterState;
	gl::RasterizerState mCurRasterState;

	// Currently applied depth stencil state
	bool mForceSetDepthStencilState;
	gl::DepthStencilState mCurDepthStencilState;
	int mCurStencilRef;
	int mCurStencilBackRef;

	// Currently applied scissor rectangle
	bool mForceSetScissor;
	bool mScissorEnabled;
	gl::Rectangle mCurScissor;

	// Currently applied viewport
	bool mForceSetViewport;
	gl::Rectangle mCurViewport;
	float mCurNear;
	float mCurFar;

	// Currently applied primitive topology
	D3D11_PRIMITIVE_TOPOLOGY mCurrentPrimitiveTopology;

	// Currently applied index buffer
	ID3D11Buffer *mAppliedIB;
	DXGI_FORMAT mAppliedIBFormat;
	unsigned int mAppliedIBOffset;
	bool mAppliedIBChanged;

	// Currently applied transform feedback buffers
	size_t mAppliedNumXFBBindings;
	ID3D11Buffer *mAppliedTFBuffers[gl::IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_BUFFERS]; // Tracks the current D3D buffers
	// in use for streamout
	GLintptr mAppliedTFOffsets[gl::IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_BUFFERS]; // Tracks the current GL-specified
	// buffer offsets to transform feedback
	// buffers
	UINT mCurrentD3DOffsets[gl::IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_BUFFERS]; // Tracks the D3D buffer offsets,
	// which may differ from GLs, due
	// to different append behavior

	// Currently applied shaders
	uintptr_t mAppliedVertexShader;
	uintptr_t mAppliedGeometryShader;
	uintptr_t mAppliedPixelShader;

	dx_VertexConstants mVertexConstants;
	dx_VertexConstants mAppliedVertexConstants;
	ID3D11Buffer *mDriverConstantBufferVS;
	ID3D11Buffer *mCurrentVertexConstantBuffer;
	unsigned int mCurrentConstantBufferVS[gl::IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS];
	GLintptr mCurrentConstantBufferVSOffset[gl::IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS];
	GLsizeiptr mCurrentConstantBufferVSSize[gl::IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS];

	dx_PixelConstants mPixelConstants;
	dx_PixelConstants mAppliedPixelConstants;
	ID3D11Buffer *mDriverConstantBufferPS;
	ID3D11Buffer *mCurrentPixelConstantBuffer;
	unsigned int mCurrentConstantBufferPS[gl::IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS];
	GLintptr mCurrentConstantBufferPSOffset[gl::IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS];
	GLsizeiptr mCurrentConstantBufferPSSize[gl::IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS];

	ID3D11Buffer *mCurrentGeometryConstantBuffer;

	// Vertex, index and input layouts
	VertexDataManager *mVertexDataManager;
	IndexDataManager *mIndexDataManager;
	InputLayoutCache mInputLayoutCache;

	StreamingIndexBufferInterface *mLineLoopIB;
	StreamingIndexBufferInterface *mTriangleFanIB;

	// Texture copy resources
	Blit11 *mBlit;
	PixelTransfer11 *mPixelTransfer;

	// Masked clear resources
	Clear11 *mClear;

	// Perform trim for D3D resources
	Trim11 *mTrim;

	// Sync query
	ID3D11Query *mSyncQuery;

	ID3D11Device *mDevice;
	Renderer11DeviceCaps mRenderer11DeviceCaps;
	ID3D11DeviceContext *mDeviceContext;
	ID3D11DeviceContext1 *mDeviceContext1;
	IDXGIAdapter *mDxgiAdapter;
	DXGI_ADAPTER_DESC mAdapterDescription;
	char mDescription[128];
	DXGIFactory *mDxgiFactory;
	ID3D11Debug *mDebug;
	};

	}
	#endif // LIBANGLE_RENDERER_D3D_D3D11_RENDERER11_H_