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.
7 // Renderer.h: Defines a back-end specific class that hides the details of the
8 // implementation-specific renderer.
10 #ifndef LIBGLESV2_RENDERER_RENDERER_H_
11 #define LIBGLESV2_RENDERER_RENDERER_H_
13 #include "libGLESv2/Uniform.h"
14 #include "libGLESv2/angletypes.h"
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
32 class VertexAttribute;
36 struct VertexAttribCurrentValueData;
41 class TextureStorageInterface2D;
42 class TextureStorageInterfaceCube;
43 class TextureStorageInterface3D;
44 class TextureStorageInterface2DArray;
50 struct TranslatedIndexData;
51 class ShaderExecutable;
60 GLenum renderTargetFormat;
61 GLenum depthStencilFormat;
67 struct dx_VertexConstants
73 struct dx_PixelConstants
90 explicit Renderer(egl::Display *display);
93 virtual EGLint initialize() = 0;
94 virtual bool resetDevice() = 0;
96 virtual int generateConfigs(ConfigDesc **configDescList) = 0;
97 virtual void deleteConfigs(ConfigDesc *configDescList) = 0;
99 virtual void sync(bool block) = 0;
101 virtual SwapChain *createSwapChain(HWND window, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat) = 0;
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;
107 virtual bool setUniformBuffers(const gl::Buffer *vertexUniformBuffers[], const gl::Buffer *fragmentUniformBuffers[]) = 0;
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;
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;
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;
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;
132 virtual void clear(const gl::ClearParameters &clearParams, gl::Framebuffer *frameBuffer) = 0;
134 virtual void markAllStateDirty() = 0;
137 virtual void notifyDeviceLost() = 0;
138 virtual bool isDeviceLost() = 0;
139 virtual bool testDeviceLost(bool notify) = 0;
140 virtual bool testDeviceResettable() = 0;
142 // Renderer capabilities
143 virtual DWORD getAdapterVendor() const = 0;
144 virtual std::string getRendererDescription() const = 0;
145 virtual GUID getAdapterIdentifier() const = 0;
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;
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;
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;
207 virtual unsigned int getMaxRenderTargets() const = 0;
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;
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;
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;
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;
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;
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;
252 virtual VertexBuffer *createVertexBuffer() = 0;
253 virtual IndexBuffer *createIndexBuffer() = 0;
254 virtual BufferStorage *createBufferStorage() = 0;
256 // Query and Fence creation
257 virtual QueryImpl *createQuery(GLenum type) = 0;
258 virtual FenceImpl *createFence() = 0;
260 // Current GLES client version
261 void setCurrentClientVersion(int clientVersion) { mCurrentClientVersion = clientVersion; }
262 int getCurrentClientVersion() const { return mCurrentClientVersion; }
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;
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;
275 egl::Display *mDisplay;
278 DISALLOW_COPY_AND_ASSIGN(Renderer);
280 int mCurrentClientVersion;
284 #endif // LIBGLESV2_RENDERER_RENDERER_H_