1 // 2 // Copyright (c) 2012-2014 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 // Renderer.h: Defines a back-end specific class that hides the details of the 8 // implementation-specific renderer. 9 10 #ifndef LIBGLESV2_RENDERER_RENDERER_H_ 11 #define LIBGLESV2_RENDERER_RENDERER_H_ 12 13 #include "libGLESv2/Uniform.h" 14 #include "libGLESv2/angletypes.h" 15 16 #if !defined(ANGLE_COMPILE_OPTIMIZATION_LEVEL) 17 // WARNING: D3DCOMPILE_OPTIMIZATION_LEVEL3 may lead to a DX9 shader compiler hang. 18 // It should only be used selectively to work around specific bugs. 19 #define ANGLE_COMPILE_OPTIMIZATION_LEVEL D3DCOMPILE_OPTIMIZATION_LEVEL1 20 #endif 21 22 namespace egl 23 { 24 class Display; 25 } 26 27 namespace gl 28 { 29 class InfoLog; 30 class ProgramBinary; 31 struct LinkedVarying; 32 class VertexAttribute; 33 class Buffer; 34 class Texture; 35 class Framebuffer; 36 struct VertexAttribCurrentValueData; 37 } 38 39 namespace rx 40 { 41 class TextureStorageInterface2D; 42 class TextureStorageInterfaceCube; 43 class TextureStorageInterface3D; 44 class TextureStorageInterface2DArray; 45 class VertexBuffer; 46 class IndexBuffer; 47 class QueryImpl; 48 class FenceImpl; 49 class BufferStorage; 50 struct TranslatedIndexData; 51 class ShaderExecutable; 52 class SwapChain; 53 class RenderTarget; 54 class Image; 55 class TextureStorage; 56 class UniformStorage; 57 58 struct ConfigDesc 59 { 60 GLenum renderTargetFormat; 61 GLenum depthStencilFormat; 62 GLint multiSample; 63 bool fastConfig; 64 bool es3Capable; 65 }; 66 67 struct dx_VertexConstants 68 { 69 float depthRange[4]; 70 float viewAdjust[4]; 71 }; 72 73 struct dx_PixelConstants 74 { 75 float depthRange[4]; 76 float viewCoords[4]; 77 float depthFront[4]; 78 }; 79 80 enum ShaderType 81 { 82 SHADER_VERTEX, 83 SHADER_PIXEL, 84 SHADER_GEOMETRY 85 }; 86 87 class Renderer 88 { 89 public: 90 explicit Renderer(egl::Display *display); 91 virtual ~Renderer(); 92 93 virtual EGLint initialize() = 0; 94 virtual bool resetDevice() = 0; 95 96 virtual int generateConfigs(ConfigDesc **configDescList) = 0; 97 virtual void deleteConfigs(ConfigDesc *configDescList) = 0; 98 99 virtual void sync(bool block) = 0; 100 101 virtual SwapChain *createSwapChain(HWND window, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat) = 0; 102 103 virtual void generateSwizzle(gl::Texture *texture) = 0; 104 virtual void setSamplerState(gl::SamplerType type, int index, const gl::SamplerState &sampler) = 0; 105 virtual void setTexture(gl::SamplerType type, int index, gl::Texture *texture) = 0; 106 107 virtual bool setUniformBuffers(const gl::Buffer *vertexUniformBuffers[], const gl::Buffer *fragmentUniformBuffers[]) = 0; 108 109 virtual void setRasterizerState(const gl::RasterizerState &rasterState) = 0; 110 virtual void setBlendState(gl::Framebuffer *framebuffer, const gl::BlendState &blendState, const gl::ColorF &blendColor, 111 unsigned int sampleMask) = 0; 112 virtual void setDepthStencilState(const gl::DepthStencilState &depthStencilState, int stencilRef, 113 int stencilBackRef, bool frontFaceCCW) = 0; 114 115 virtual void setScissorRectangle(const gl::Rectangle &scissor, bool enabled) = 0; 116 virtual bool setViewport(const gl::Rectangle &viewport, float zNear, float zFar, GLenum drawMode, GLenum frontFace, 117 bool ignoreViewport) = 0; 118 119 virtual bool applyRenderTarget(gl::Framebuffer *frameBuffer) = 0; 120 virtual void applyShaders(gl::ProgramBinary *programBinary, bool rasterizerDiscard, bool transformFeedbackActive, const gl::VertexFormat inputLayout[]) = 0; 121 virtual void applyUniforms(const gl::ProgramBinary &programBinary) = 0; 122 virtual bool applyPrimitiveType(GLenum primitiveType, GLsizei elementCount) = 0; 123 virtual GLenum applyVertexBuffer(gl::ProgramBinary *programBinary, const gl::VertexAttribute vertexAttributes[], gl::VertexAttribCurrentValueData currentValues[], 124 GLint first, GLsizei count, GLsizei instances) = 0; 125 virtual GLenum applyIndexBuffer(const GLvoid *indices, gl::Buffer *elementArrayBuffer, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo) = 0; 126 virtual void applyTransformFeedbackBuffers(gl::Buffer *transformFeedbackBuffers[], GLintptr offsets[]) = 0; 127 128 virtual void drawArrays(GLenum mode, GLsizei count, GLsizei instances, bool transformFeedbackActive) = 0; 129 virtual void drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, 130 gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo, GLsizei instances) = 0; 131 132 virtual void clear(const gl::ClearParameters &clearParams, gl::Framebuffer *frameBuffer) = 0; 133 134 virtual void markAllStateDirty() = 0; 135 136 // lost device 137 virtual void notifyDeviceLost() = 0; 138 virtual bool isDeviceLost() = 0; 139 virtual bool testDeviceLost(bool notify) = 0; 140 virtual bool testDeviceResettable() = 0; 141 142 // Renderer capabilities 143 virtual DWORD getAdapterVendor() const = 0; 144 virtual std::string getRendererDescription() const = 0; 145 virtual GUID getAdapterIdentifier() const = 0; 146 147 virtual bool getBGRATextureSupport() const = 0; 148 virtual bool getDXT1TextureSupport() const = 0; 149 virtual bool getDXT3TextureSupport() const = 0; 150 virtual bool getDXT5TextureSupport() const = 0; 151 virtual bool getEventQuerySupport() const = 0; 152 virtual bool getFloat32TextureSupport() const = 0; 153 virtual bool getFloat32TextureFilteringSupport() const= 0; 154 virtual bool getFloat32TextureRenderingSupport() const= 0; 155 virtual bool getFloat16TextureSupport() const= 0; 156 virtual bool getFloat16TextureFilteringSupport() const= 0; 157 virtual bool getFloat16TextureRenderingSupport() const = 0; 158 virtual bool getRGB565TextureSupport() const = 0; 159 virtual bool getLuminanceTextureSupport() const = 0; 160 virtual bool getLuminanceAlphaTextureSupport() const = 0; 161 virtual bool getRGTextureSupport() const = 0; 162 bool getVertexTextureSupport() const { return getMaxVertexTextureImageUnits() > 0; } 163 virtual unsigned int getMaxVertexTextureImageUnits() const = 0; 164 virtual unsigned int getMaxCombinedTextureImageUnits() const = 0; 165 virtual unsigned int getReservedVertexUniformVectors() const = 0; 166 virtual unsigned int getReservedFragmentUniformVectors() const = 0; 167 virtual unsigned int getMaxVertexUniformVectors() const = 0; 168 virtual unsigned int getMaxFragmentUniformVectors() const = 0; 169 virtual unsigned int getMaxVaryingVectors() const = 0; 170 virtual unsigned int getMaxVertexShaderUniformBuffers() const = 0; 171 virtual unsigned int getMaxFragmentShaderUniformBuffers() const = 0; 172 virtual unsigned int getReservedVertexUniformBuffers() const = 0; 173 virtual unsigned int getReservedFragmentUniformBuffers() const = 0; 174 virtual unsigned int getMaxTransformFeedbackBuffers() const = 0; 175 virtual unsigned int getMaxTransformFeedbackSeparateComponents() const = 0; 176 virtual unsigned int getMaxTransformFeedbackInterleavedComponents() const = 0; 177 virtual unsigned int getMaxUniformBufferSize() const = 0; 178 virtual bool getNonPower2TextureSupport() const = 0; 179 virtual bool getDepthTextureSupport() const = 0; 180 virtual bool getOcclusionQuerySupport() const = 0; 181 virtual bool getInstancingSupport() const = 0; 182 virtual bool getTextureFilterAnisotropySupport() const = 0; 183 virtual bool getPBOSupport() const = 0; 184 virtual float getTextureMaxAnisotropy() const = 0; 185 virtual bool getShareHandleSupport() const = 0; 186 virtual bool getDerivativeInstructionSupport() const = 0; 187 virtual bool getPostSubBufferSupport() const = 0; 188 virtual int getMaxRecommendedElementsIndices() const = 0; 189 virtual int getMaxRecommendedElementsVertices() const = 0; 190 191 virtual int getMajorShaderModel() const = 0; 192 virtual float getMaxPointSize() const = 0; 193 virtual int getMaxViewportDimension() const = 0; 194 virtual int getMaxTextureWidth() const = 0; 195 virtual int getMaxTextureHeight() const = 0; 196 virtual int getMaxTextureDepth() const = 0; 197 virtual int getMaxTextureArrayLayers() const = 0; 198 virtual bool get32BitIndexSupport() const = 0; 199 virtual int getMinSwapInterval() const = 0; 200 virtual int getMaxSwapInterval() const = 0; 201 202 virtual GLsizei getMaxSupportedSamples() const = 0; 203 virtual GLsizei getMaxSupportedFormatSamples(GLenum internalFormat) const = 0; 204 virtual GLsizei getNumSampleCounts(GLenum internalFormat) const = 0; 205 virtual void getSampleCounts(GLenum internalFormat, GLsizei bufSize, GLint *params) const = 0; 206 207 virtual unsigned int getMaxRenderTargets() const = 0; 208 209 // Pixel operations 210 virtual bool copyToRenderTarget(TextureStorageInterface2D *dest, TextureStorageInterface2D *source) = 0; 211 virtual bool copyToRenderTarget(TextureStorageInterfaceCube *dest, TextureStorageInterfaceCube *source) = 0; 212 virtual bool copyToRenderTarget(TextureStorageInterface3D *dest, TextureStorageInterface3D *source) = 0; 213 virtual bool copyToRenderTarget(TextureStorageInterface2DArray *dest, TextureStorageInterface2DArray *source) = 0; 214 215 virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat, 216 GLint xoffset, GLint yoffset, TextureStorageInterface2D *storage, GLint level) = 0; 217 virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat, 218 GLint xoffset, GLint yoffset, TextureStorageInterfaceCube *storage, GLenum target, GLint level) = 0; 219 virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat, 220 GLint xoffset, GLint yoffset, GLint zOffset, TextureStorageInterface3D *storage, GLint level) = 0; 221 virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat, 222 GLint xoffset, GLint yoffset, GLint zOffset, TextureStorageInterface2DArray *storage, GLint level) = 0; 223 224 virtual bool blitRect(gl::Framebuffer *readTarget, const gl::Rectangle &readRect, gl::Framebuffer *drawTarget, const gl::Rectangle &drawRect, 225 const gl::Rectangle *scissor, bool blitRenderTarget, bool blitDepth, bool blitStencil, GLenum filter) = 0; 226 virtual void readPixels(gl::Framebuffer *framebuffer, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, 227 GLenum type, GLuint outputPitch, const gl::PixelPackState &pack, void* pixels) = 0; 228 229 // RenderTarget creation 230 virtual RenderTarget *createRenderTarget(SwapChain *swapChain, bool depth) = 0; 231 virtual RenderTarget *createRenderTarget(int width, int height, GLenum format, GLsizei samples) = 0; 232 233 // Shader operations 234 virtual ShaderExecutable *loadExecutable(const void *function, size_t length, rx::ShaderType type, 235 const std::vector<gl::LinkedVarying> &transformFeedbackVaryings, 236 bool separatedOutputBuffers) = 0; 237 virtual ShaderExecutable *compileToExecutable(gl::InfoLog &infoLog, const char *shaderHLSL, rx::ShaderType type, 238 const std::vector<gl::LinkedVarying> &transformFeedbackVaryings, 239 bool separatedOutputBuffers, D3DWorkaroundType workaround) = 0; 240 virtual UniformStorage *createUniformStorage(size_t storageSize) = 0; 241 242 // Image operations 243 virtual Image *createImage() = 0; 244 virtual void generateMipmap(Image *dest, Image *source) = 0; 245 virtual TextureStorage *createTextureStorage2D(SwapChain *swapChain) = 0; 246 virtual TextureStorage *createTextureStorage2D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels) = 0; 247 virtual TextureStorage *createTextureStorageCube(GLenum internalformat, bool renderTarget, int size, int levels) = 0; 248 virtual TextureStorage *createTextureStorage3D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels) = 0; 249 virtual TextureStorage *createTextureStorage2DArray(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels) = 0; 250 251 // Buffer creation 252 virtual VertexBuffer *createVertexBuffer() = 0; 253 virtual IndexBuffer *createIndexBuffer() = 0; 254 virtual BufferStorage *createBufferStorage() = 0; 255 256 // Query and Fence creation 257 virtual QueryImpl *createQuery(GLenum type) = 0; 258 virtual FenceImpl *createFence() = 0; 259 260 // Current GLES client version 261 void setCurrentClientVersion(int clientVersion) { mCurrentClientVersion = clientVersion; } 262 int getCurrentClientVersion() const { return mCurrentClientVersion; } 263 264 // Buffer-to-texture and Texture-to-buffer copies 265 virtual bool supportsFastCopyBufferToTexture(GLenum internalFormat) const = 0; 266 virtual bool fastCopyBufferToTexture(const gl::PixelUnpackState &unpack, unsigned int offset, RenderTarget *destRenderTarget, 267 GLenum destinationFormat, GLenum sourcePixelsType, const gl::Box &destArea) = 0; 268 269 virtual bool getLUID(LUID *adapterLuid) const = 0; 270 virtual GLenum getNativeTextureFormat(GLenum internalFormat) const = 0; 271 virtual rx::VertexConversionType getVertexConversionType(const gl::VertexFormat &vertexFormat) const = 0; 272 virtual GLenum getVertexComponentType(const gl::VertexFormat &vertexFormat) const = 0; 273 274 protected: 275 egl::Display *mDisplay; 276 277 private: 278 DISALLOW_COPY_AND_ASSIGN(Renderer); 279 280 int mCurrentClientVersion; 281 }; 282 283 } 284 #endif // LIBGLESV2_RENDERER_RENDERER_H_ 285
