| // |
| // 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. |
| // |
| |
| // Renderer.h: Defines a back-end specific class that hides the details of the |
| // implementation-specific renderer. |
| |
| #ifndef LIBGLESV2_RENDERER_RENDERER_H_ |
| #define LIBGLESV2_RENDERER_RENDERER_H_ |
| |
| #include "libGLESv2/Uniform.h" |
| #include "libGLESv2/angletypes.h" |
| |
| #if !defined(ANGLE_COMPILE_OPTIMIZATION_LEVEL) |
| // WARNING: D3DCOMPILE_OPTIMIZATION_LEVEL3 may lead to a DX9 shader compiler hang. |
| // It should only be used selectively to work around specific bugs. |
| #define ANGLE_COMPILE_OPTIMIZATION_LEVEL D3DCOMPILE_OPTIMIZATION_LEVEL1 |
| #endif |
| |
| namespace egl |
| { |
| class Display; |
| } |
| |
| namespace gl |
| { |
| class InfoLog; |
| class ProgramBinary; |
| struct LinkedVarying; |
| class VertexAttribute; |
| class Buffer; |
| class Texture; |
| class Framebuffer; |
| struct VertexAttribCurrentValueData; |
| } |
| |
| namespace rx |
| { |
| class TextureStorageInterface2D; |
| class TextureStorageInterfaceCube; |
| class TextureStorageInterface3D; |
| class TextureStorageInterface2DArray; |
| class VertexBuffer; |
| class IndexBuffer; |
| class QueryImpl; |
| class FenceImpl; |
| class BufferStorage; |
| struct TranslatedIndexData; |
| class ShaderExecutable; |
| class SwapChain; |
| class RenderTarget; |
| class Image; |
| class TextureStorage; |
| class UniformStorage; |
| |
| struct ConfigDesc |
| { |
| GLenum renderTargetFormat; |
| GLenum depthStencilFormat; |
| GLint multiSample; |
| bool fastConfig; |
| bool es3Capable; |
| }; |
| |
| struct dx_VertexConstants |
| { |
| float depthRange[4]; |
| float viewAdjust[4]; |
| }; |
| |
| struct dx_PixelConstants |
| { |
| float depthRange[4]; |
| float viewCoords[4]; |
| float depthFront[4]; |
| }; |
| |
| enum ShaderType |
| { |
| SHADER_VERTEX, |
| SHADER_PIXEL, |
| SHADER_GEOMETRY |
| }; |
| |
| class Renderer |
| { |
| public: |
| explicit Renderer(egl::Display *display); |
| virtual ~Renderer(); |
| |
| virtual EGLint initialize() = 0; |
| virtual bool resetDevice() = 0; |
| |
| virtual int generateConfigs(ConfigDesc **configDescList) = 0; |
| virtual void deleteConfigs(ConfigDesc *configDescList) = 0; |
| |
| virtual void sync(bool block) = 0; |
| |
| virtual SwapChain *createSwapChain(HWND window, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat) = 0; |
| |
| virtual void generateSwizzle(gl::Texture *texture) = 0; |
| virtual void setSamplerState(gl::SamplerType type, int index, const gl::SamplerState &sampler) = 0; |
| virtual void setTexture(gl::SamplerType type, int index, gl::Texture *texture) = 0; |
| |
| virtual bool setUniformBuffers(const gl::Buffer *vertexUniformBuffers[], const gl::Buffer *fragmentUniformBuffers[]) = 0; |
| |
| virtual void setRasterizerState(const gl::RasterizerState &rasterState) = 0; |
| virtual void setBlendState(gl::Framebuffer *framebuffer, const gl::BlendState &blendState, const gl::ColorF &blendColor, |
| unsigned int sampleMask) = 0; |
| virtual void setDepthStencilState(const gl::DepthStencilState &depthStencilState, int stencilRef, |
| int stencilBackRef, bool frontFaceCCW) = 0; |
| |
| virtual void setScissorRectangle(const gl::Rectangle &scissor, bool enabled) = 0; |
| virtual bool setViewport(const gl::Rectangle &viewport, float zNear, float zFar, GLenum drawMode, GLenum frontFace, |
| bool ignoreViewport) = 0; |
| |
| virtual bool applyRenderTarget(gl::Framebuffer *frameBuffer) = 0; |
| virtual void applyShaders(gl::ProgramBinary *programBinary, bool rasterizerDiscard, bool transformFeedbackActive, const gl::VertexFormat inputLayout[]) = 0; |
| virtual void applyUniforms(const gl::ProgramBinary &programBinary) = 0; |
| virtual bool applyPrimitiveType(GLenum primitiveType, GLsizei elementCount) = 0; |
| virtual GLenum applyVertexBuffer(gl::ProgramBinary *programBinary, const gl::VertexAttribute vertexAttributes[], gl::VertexAttribCurrentValueData currentValues[], |
| GLint first, GLsizei count, GLsizei instances) = 0; |
| virtual GLenum applyIndexBuffer(const GLvoid *indices, gl::Buffer *elementArrayBuffer, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo) = 0; |
| virtual void applyTransformFeedbackBuffers(gl::Buffer *transformFeedbackBuffers[], GLintptr offsets[]) = 0; |
| |
| virtual void drawArrays(GLenum mode, GLsizei count, GLsizei instances, bool transformFeedbackActive) = 0; |
| virtual void drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, |
| gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo, GLsizei instances) = 0; |
| |
| virtual void clear(const gl::ClearParameters &clearParams, gl::Framebuffer *frameBuffer) = 0; |
| |
| virtual void markAllStateDirty() = 0; |
| |
| // lost device |
| virtual void notifyDeviceLost() = 0; |
| virtual bool isDeviceLost() = 0; |
| virtual bool testDeviceLost(bool notify) = 0; |
| virtual bool testDeviceResettable() = 0; |
| |
| // Renderer capabilities |
| virtual DWORD getAdapterVendor() const = 0; |
| virtual std::string getRendererDescription() const = 0; |
| virtual GUID getAdapterIdentifier() const = 0; |
| |
| virtual bool getBGRATextureSupport() const = 0; |
| virtual bool getDXT1TextureSupport() const = 0; |
| virtual bool getDXT3TextureSupport() const = 0; |
| virtual bool getDXT5TextureSupport() const = 0; |
| virtual bool getEventQuerySupport() const = 0; |
| virtual bool getFloat32TextureSupport() const = 0; |
| virtual bool getFloat32TextureFilteringSupport() const= 0; |
| virtual bool getFloat32TextureRenderingSupport() const= 0; |
| virtual bool getFloat16TextureSupport() const= 0; |
| virtual bool getFloat16TextureFilteringSupport() const= 0; |
| virtual bool getFloat16TextureRenderingSupport() const = 0; |
| virtual bool getRGB565TextureSupport() const = 0; |
| virtual bool getLuminanceTextureSupport() const = 0; |
| virtual bool getLuminanceAlphaTextureSupport() const = 0; |
| virtual bool getRGTextureSupport() const = 0; |
| bool getVertexTextureSupport() const { return getMaxVertexTextureImageUnits() > 0; } |
| virtual unsigned int getMaxVertexTextureImageUnits() const = 0; |
| virtual unsigned int getMaxCombinedTextureImageUnits() const = 0; |
| virtual unsigned int getReservedVertexUniformVectors() const = 0; |
| virtual unsigned int getReservedFragmentUniformVectors() const = 0; |
| virtual unsigned int getMaxVertexUniformVectors() const = 0; |
| virtual unsigned int getMaxFragmentUniformVectors() const = 0; |
| virtual unsigned int getMaxVaryingVectors() const = 0; |
| virtual unsigned int getMaxVertexShaderUniformBuffers() const = 0; |
| virtual unsigned int getMaxFragmentShaderUniformBuffers() const = 0; |
| virtual unsigned int getReservedVertexUniformBuffers() const = 0; |
| virtual unsigned int getReservedFragmentUniformBuffers() const = 0; |
| virtual unsigned int getMaxTransformFeedbackBuffers() const = 0; |
| virtual unsigned int getMaxTransformFeedbackSeparateComponents() const = 0; |
| virtual unsigned int getMaxTransformFeedbackInterleavedComponents() const = 0; |
| virtual unsigned int getMaxUniformBufferSize() const = 0; |
| virtual bool getNonPower2TextureSupport() const = 0; |
| virtual bool getDepthTextureSupport() const = 0; |
| virtual bool getOcclusionQuerySupport() const = 0; |
| virtual bool getInstancingSupport() const = 0; |
| virtual bool getTextureFilterAnisotropySupport() const = 0; |
| virtual bool getPBOSupport() const = 0; |
| virtual float getTextureMaxAnisotropy() const = 0; |
| virtual bool getShareHandleSupport() const = 0; |
| virtual bool getDerivativeInstructionSupport() const = 0; |
| virtual bool getPostSubBufferSupport() const = 0; |
| virtual int getMaxRecommendedElementsIndices() const = 0; |
| virtual int getMaxRecommendedElementsVertices() const = 0; |
| |
| virtual int getMajorShaderModel() const = 0; |
| virtual float getMaxPointSize() const = 0; |
| virtual int getMaxViewportDimension() const = 0; |
| virtual int getMaxTextureWidth() const = 0; |
| virtual int getMaxTextureHeight() const = 0; |
| virtual int getMaxTextureDepth() const = 0; |
| virtual int getMaxTextureArrayLayers() const = 0; |
| virtual bool get32BitIndexSupport() const = 0; |
| virtual int getMinSwapInterval() const = 0; |
| virtual int getMaxSwapInterval() const = 0; |
| |
| virtual GLsizei getMaxSupportedSamples() const = 0; |
| virtual GLsizei getMaxSupportedFormatSamples(GLenum internalFormat) const = 0; |
| virtual GLsizei getNumSampleCounts(GLenum internalFormat) const = 0; |
| virtual void getSampleCounts(GLenum internalFormat, GLsizei bufSize, GLint *params) const = 0; |
| |
| virtual unsigned int getMaxRenderTargets() const = 0; |
| |
| // Pixel operations |
| virtual bool copyToRenderTarget(TextureStorageInterface2D *dest, TextureStorageInterface2D *source) = 0; |
| virtual bool copyToRenderTarget(TextureStorageInterfaceCube *dest, TextureStorageInterfaceCube *source) = 0; |
| virtual bool copyToRenderTarget(TextureStorageInterface3D *dest, TextureStorageInterface3D *source) = 0; |
| virtual bool copyToRenderTarget(TextureStorageInterface2DArray *dest, TextureStorageInterface2DArray *source) = 0; |
| |
| virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat, |
| GLint xoffset, GLint yoffset, TextureStorageInterface2D *storage, GLint level) = 0; |
| virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat, |
| GLint xoffset, GLint yoffset, TextureStorageInterfaceCube *storage, GLenum target, GLint level) = 0; |
| virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat, |
| GLint xoffset, GLint yoffset, GLint zOffset, TextureStorageInterface3D *storage, GLint level) = 0; |
| virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat, |
| GLint xoffset, GLint yoffset, GLint zOffset, TextureStorageInterface2DArray *storage, GLint level) = 0; |
| |
| virtual bool blitRect(gl::Framebuffer *readTarget, const gl::Rectangle &readRect, gl::Framebuffer *drawTarget, const gl::Rectangle &drawRect, |
| const gl::Rectangle *scissor, bool blitRenderTarget, bool blitDepth, bool blitStencil, GLenum filter) = 0; |
| virtual void readPixels(gl::Framebuffer *framebuffer, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, |
| GLenum type, GLuint outputPitch, const gl::PixelPackState &pack, void* pixels) = 0; |
| |
| // RenderTarget creation |
| virtual RenderTarget *createRenderTarget(SwapChain *swapChain, bool depth) = 0; |
| virtual RenderTarget *createRenderTarget(int width, int height, GLenum format, GLsizei samples) = 0; |
| |
| // Shader operations |
| virtual ShaderExecutable *loadExecutable(const void *function, size_t length, rx::ShaderType type, |
| const std::vector<gl::LinkedVarying> &transformFeedbackVaryings, |
| bool separatedOutputBuffers) = 0; |
| virtual ShaderExecutable *compileToExecutable(gl::InfoLog &infoLog, const char *shaderHLSL, rx::ShaderType type, |
| const std::vector<gl::LinkedVarying> &transformFeedbackVaryings, |
| bool separatedOutputBuffers, D3DWorkaroundType workaround) = 0; |
| virtual UniformStorage *createUniformStorage(size_t storageSize) = 0; |
| |
| // Image operations |
| virtual Image *createImage() = 0; |
| virtual void generateMipmap(Image *dest, Image *source) = 0; |
| virtual TextureStorage *createTextureStorage2D(SwapChain *swapChain) = 0; |
| virtual TextureStorage *createTextureStorage2D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels) = 0; |
| virtual TextureStorage *createTextureStorageCube(GLenum internalformat, bool renderTarget, int size, int levels) = 0; |
| virtual TextureStorage *createTextureStorage3D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels) = 0; |
| virtual TextureStorage *createTextureStorage2DArray(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels) = 0; |
| |
| // Buffer creation |
| virtual VertexBuffer *createVertexBuffer() = 0; |
| virtual IndexBuffer *createIndexBuffer() = 0; |
| virtual BufferStorage *createBufferStorage() = 0; |
| |
| // Query and Fence creation |
| virtual QueryImpl *createQuery(GLenum type) = 0; |
| virtual FenceImpl *createFence() = 0; |
| |
| // Current GLES client version |
| void setCurrentClientVersion(int clientVersion) { mCurrentClientVersion = clientVersion; } |
| int getCurrentClientVersion() const { return mCurrentClientVersion; } |
| |
| // Buffer-to-texture and Texture-to-buffer copies |
| virtual bool supportsFastCopyBufferToTexture(GLenum internalFormat) const = 0; |
| virtual bool fastCopyBufferToTexture(const gl::PixelUnpackState &unpack, unsigned int offset, RenderTarget *destRenderTarget, |
| GLenum destinationFormat, GLenum sourcePixelsType, const gl::Box &destArea) = 0; |
| |
| virtual bool getLUID(LUID *adapterLuid) const = 0; |
| virtual GLenum getNativeTextureFormat(GLenum internalFormat) const = 0; |
| virtual rx::VertexConversionType getVertexConversionType(const gl::VertexFormat &vertexFormat) const = 0; |
| virtual GLenum getVertexComponentType(const gl::VertexFormat &vertexFormat) const = 0; |
| |
| protected: |
| egl::Display *mDisplay; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Renderer); |
| |
| int mCurrentClientVersion; |
| }; |
| |
| } |
| #endif // LIBGLESV2_RENDERER_RENDERER_H_ |