ContextImpl.h (14974B)
1 // 2 // Copyright 2016 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 // ContextImpl: 7 // Implementation-specific functionality associated with a GL Context. 8 // 9 10 #ifndef LIBANGLE_RENDERER_CONTEXTIMPL_H_ 11 #define LIBANGLE_RENDERER_CONTEXTIMPL_H_ 12 13 #include <vector> 14 15 #include "common/angleutils.h" 16 #include "libANGLE/State.h" 17 #include "libANGLE/renderer/GLImplFactory.h" 18 19 namespace gl 20 { 21 class ErrorSet; 22 class MemoryProgramCache; 23 class Path; 24 class Semaphore; 25 struct Workarounds; 26 } // namespace gl 27 28 namespace rx 29 { 30 class ContextImpl : public GLImplFactory 31 { 32 public: 33 ContextImpl(const gl::State &state, gl::ErrorSet *errorSet); 34 ~ContextImpl() override; 35 36 virtual void onDestroy(const gl::Context *context) {} 37 38 virtual angle::Result initialize() = 0; 39 40 // Flush and finish. 41 virtual angle::Result flush(const gl::Context *context) = 0; 42 virtual angle::Result finish(const gl::Context *context) = 0; 43 44 // Drawing methods. 45 virtual angle::Result drawArrays(const gl::Context *context, 46 gl::PrimitiveMode mode, 47 GLint first, 48 GLsizei count) = 0; 49 virtual angle::Result drawArraysInstanced(const gl::Context *context, 50 gl::PrimitiveMode mode, 51 GLint first, 52 GLsizei count, 53 GLsizei instanceCount) = 0; 54 // Necessary for Vulkan since gl_InstanceIndex includes baseInstance 55 virtual angle::Result drawArraysInstancedBaseInstance(const gl::Context *context, 56 gl::PrimitiveMode mode, 57 GLint first, 58 GLsizei count, 59 GLsizei instanceCount, 60 GLuint baseInstance) = 0; 61 62 virtual angle::Result drawElements(const gl::Context *context, 63 gl::PrimitiveMode mode, 64 GLsizei count, 65 gl::DrawElementsType type, 66 const void *indices) = 0; 67 virtual angle::Result drawElementsBaseVertex(const gl::Context *context, 68 gl::PrimitiveMode mode, 69 GLsizei count, 70 gl::DrawElementsType type, 71 const void *indices, 72 GLint baseVertex) = 0; 73 virtual angle::Result drawElementsInstanced(const gl::Context *context, 74 gl::PrimitiveMode mode, 75 GLsizei count, 76 gl::DrawElementsType type, 77 const void *indices, 78 GLsizei instances) = 0; 79 virtual angle::Result drawElementsInstancedBaseVertex(const gl::Context *context, 80 gl::PrimitiveMode mode, 81 GLsizei count, 82 gl::DrawElementsType type, 83 const void *indices, 84 GLsizei instances, 85 GLint baseVertex) = 0; 86 virtual angle::Result drawElementsInstancedBaseVertexBaseInstance(const gl::Context *context, 87 gl::PrimitiveMode mode, 88 GLsizei count, 89 gl::DrawElementsType type, 90 const void *indices, 91 GLsizei instances, 92 GLint baseVertex, 93 GLuint baseInstance) = 0; 94 virtual angle::Result drawRangeElements(const gl::Context *context, 95 gl::PrimitiveMode mode, 96 GLuint start, 97 GLuint end, 98 GLsizei count, 99 gl::DrawElementsType type, 100 const void *indices) = 0; 101 virtual angle::Result drawRangeElementsBaseVertex(const gl::Context *context, 102 gl::PrimitiveMode mode, 103 GLuint start, 104 GLuint end, 105 GLsizei count, 106 gl::DrawElementsType type, 107 const void *indices, 108 GLint baseVertex) = 0; 109 110 virtual angle::Result drawArraysIndirect(const gl::Context *context, 111 gl::PrimitiveMode mode, 112 const void *indirect) = 0; 113 virtual angle::Result drawElementsIndirect(const gl::Context *context, 114 gl::PrimitiveMode mode, 115 gl::DrawElementsType type, 116 const void *indirect) = 0; 117 118 // MultiDraw* impl added as we need workaround for promoting dynamic attributes in D3D backend 119 virtual angle::Result multiDrawArrays(const gl::Context *context, 120 gl::PrimitiveMode mode, 121 const GLint *firsts, 122 const GLsizei *counts, 123 GLsizei drawcount) = 0; 124 virtual angle::Result multiDrawArraysIndirect(const gl::Context *context, 125 gl::PrimitiveMode mode, 126 const void *indirect, 127 GLsizei drawcount, 128 GLsizei stride) = 0; 129 virtual angle::Result multiDrawArraysInstanced(const gl::Context *context, 130 gl::PrimitiveMode mode, 131 const GLint *firsts, 132 const GLsizei *counts, 133 const GLsizei *instanceCounts, 134 GLsizei drawcount) = 0; 135 virtual angle::Result multiDrawElements(const gl::Context *context, 136 gl::PrimitiveMode mode, 137 const GLsizei *counts, 138 gl::DrawElementsType type, 139 const GLvoid *const *indices, 140 GLsizei drawcount) = 0; 141 virtual angle::Result multiDrawElementsInstanced(const gl::Context *context, 142 gl::PrimitiveMode mode, 143 const GLsizei *counts, 144 gl::DrawElementsType type, 145 const GLvoid *const *indices, 146 const GLsizei *instanceCounts, 147 GLsizei drawcount) = 0; 148 virtual angle::Result multiDrawElementsIndirect(const gl::Context *context, 149 gl::PrimitiveMode mode, 150 gl::DrawElementsType type, 151 const void *indirect, 152 GLsizei drawcount, 153 GLsizei stride) = 0; 154 virtual angle::Result multiDrawArraysInstancedBaseInstance(const gl::Context *context, 155 gl::PrimitiveMode mode, 156 const GLint *firsts, 157 const GLsizei *counts, 158 const GLsizei *instanceCounts, 159 const GLuint *baseInstances, 160 GLsizei drawcount) = 0; 161 virtual angle::Result multiDrawElementsInstancedBaseVertexBaseInstance( 162 const gl::Context *context, 163 gl::PrimitiveMode mode, 164 const GLsizei *counts, 165 gl::DrawElementsType type, 166 const GLvoid *const *indices, 167 const GLsizei *instanceCounts, 168 const GLint *baseVertices, 169 const GLuint *baseInstances, 170 GLsizei drawcount) = 0; 171 172 // Device loss 173 virtual gl::GraphicsResetStatus getResetStatus() = 0; 174 175 // EXT_debug_marker 176 virtual angle::Result insertEventMarker(GLsizei length, const char *marker) = 0; 177 virtual angle::Result pushGroupMarker(GLsizei length, const char *marker) = 0; 178 virtual angle::Result popGroupMarker() = 0; 179 180 // KHR_debug 181 virtual angle::Result pushDebugGroup(const gl::Context *context, 182 GLenum source, 183 GLuint id, 184 const std::string &message) = 0; 185 virtual angle::Result popDebugGroup(const gl::Context *context) = 0; 186 virtual angle::Result handleNoopDrawEvent(); 187 188 // KHR_parallel_shader_compile 189 virtual void setMaxShaderCompilerThreads(GLuint count) {} 190 191 // GL_ANGLE_texture_storage_external 192 virtual void invalidateTexture(gl::TextureType target); 193 194 // EXT_shader_framebuffer_fetch_non_coherent 195 virtual void framebufferFetchBarrier() {} 196 197 // KHR_blend_equation_advanced 198 virtual void blendBarrier() {} 199 200 // State sync with dirty bits. 201 virtual angle::Result syncState(const gl::Context *context, 202 const gl::State::DirtyBits &dirtyBits, 203 const gl::State::DirtyBits &bitMask, 204 gl::Command command) = 0; 205 206 // Disjoint timer queries 207 virtual GLint getGPUDisjoint() = 0; 208 virtual GLint64 getTimestamp() = 0; 209 210 // Context switching 211 virtual angle::Result onMakeCurrent(const gl::Context *context) = 0; 212 virtual angle::Result onUnMakeCurrent(const gl::Context *context); 213 214 // Native capabilities, unmodified by gl::Context. 215 virtual gl::Caps getNativeCaps() const = 0; 216 virtual const gl::TextureCapsMap &getNativeTextureCaps() const = 0; 217 virtual const gl::Extensions &getNativeExtensions() const = 0; 218 virtual const gl::Limitations &getNativeLimitations() const = 0; 219 virtual ShPixelLocalStorageType getNativePixelLocalStorageType() const = 0; 220 221 virtual angle::Result dispatchCompute(const gl::Context *context, 222 GLuint numGroupsX, 223 GLuint numGroupsY, 224 GLuint numGroupsZ) = 0; 225 virtual angle::Result dispatchComputeIndirect(const gl::Context *context, 226 GLintptr indirect) = 0; 227 228 virtual angle::Result memoryBarrier(const gl::Context *context, GLbitfield barriers) = 0; 229 virtual angle::Result memoryBarrierByRegion(const gl::Context *context, 230 GLbitfield barriers) = 0; 231 232 const gl::State &getState() const { return mState; } 233 int getClientMajorVersion() const { return mState.getClientMajorVersion(); } 234 int getClientMinorVersion() const { return mState.getClientMinorVersion(); } 235 const gl::Caps &getCaps() const { return mState.getCaps(); } 236 const gl::TextureCapsMap &getTextureCaps() const { return mState.getTextureCaps(); } 237 const gl::Extensions &getExtensions() const { return mState.getExtensions(); } 238 const gl::Limitations &getLimitations() const { return mState.getLimitations(); } 239 240 // A common GL driver behaviour is to trigger dynamic shader recompilation on a draw call, 241 // based on the current render states. We store a mutable pointer to the program cache so 242 // on draw calls we can store the refreshed shaders in the cache. 243 void setMemoryProgramCache(gl::MemoryProgramCache *memoryProgramCache); 244 245 void handleError(GLenum errorCode, 246 const char *message, 247 const char *file, 248 const char *function, 249 unsigned int line); 250 251 virtual egl::ContextPriority getContextPriority() const; 252 253 // EGL_ANGLE_power_preference implementation. 254 virtual egl::Error releaseHighPowerGPU(gl::Context *context); 255 virtual egl::Error reacquireHighPowerGPU(gl::Context *context); 256 257 // GL_ANGLE_vulkan_image 258 virtual angle::Result acquireTextures(const gl::Context *context, 259 const gl::TextureBarrierVector &textureBarriers); 260 virtual angle::Result releaseTextures(const gl::Context *context, 261 gl::TextureBarrierVector *textureBarriers); 262 263 // AMD_performance_monitor 264 virtual const angle::PerfMonitorCounterGroups &getPerfMonitorCounters(); 265 266 protected: 267 const gl::State &mState; 268 gl::MemoryProgramCache *mMemoryProgramCache; 269 gl::ErrorSet *mErrors; 270 }; 271 272 } // namespace rx 273 274 #endif // LIBANGLE_RENDERER_CONTEXTIMPL_H_