1 // SwiftShader Software Renderer
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3 // Copyright(c) 2005-2013 TransGaming Inc.
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5 // All rights reserved. No part of this software may be copied, distributed, transmitted,
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6 // transcribed, stored in a retrieval system, translated into any human or computer
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7 // language by any means, or disclosed to third parties without the explicit written
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8 // agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
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9 // or implied, including but not limited to any patent rights, are granted to you.
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12 // Context.h: Defines the Context class, managing all GL state and performing
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13 // rendering operations. It is the GLES2 specific implementation of EGLContext.
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15 #ifndef LIBGLESV2_CONTEXT_H_
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16 #define LIBGLESV2_CONTEXT_H_
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18 #include "libEGL/Context.hpp"
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19 #include "ResourceManager.h"
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20 #include "common/NameSpace.hpp"
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21 #include "common/Object.hpp"
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22 #include "common/Image.hpp"
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23 #include "Renderer/Sampler.hpp"
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24 #include "TransformFeedback.h"
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26 #include <GLES2/gl2.h>
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27 #include <GLES2/gl2ext.h>
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28 #include <GLES3/gl3.h>
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29 #include <EGL/egl.h>
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43 struct TranslatedAttribute;
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44 struct TranslatedIndexData;
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53 class Texture2DArray;
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54 class TextureCubeMap;
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55 class TextureExternal;
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58 class RenderbufferStorage;
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61 class StreamingIndexBuffer;
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62 class Stencilbuffer;
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63 class DepthStencilbuffer;
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64 class VertexDataManager;
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65 class IndexDataManager;
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73 MAX_VERTEX_ATTRIBS = 16,
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74 MAX_UNIFORM_VECTORS = 256, // Device limit
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75 MAX_VERTEX_UNIFORM_VECTORS = VERTEX_UNIFORM_VECTORS - 3, // Reserve space for gl_DepthRange
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76 MAX_VARYING_VECTORS = 10,
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77 MAX_TEXTURE_IMAGE_UNITS = TEXTURE_IMAGE_UNITS,
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78 MAX_VERTEX_TEXTURE_IMAGE_UNITS = VERTEX_TEXTURE_IMAGE_UNITS,
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79 MAX_COMBINED_TEXTURE_IMAGE_UNITS = MAX_TEXTURE_IMAGE_UNITS + MAX_VERTEX_TEXTURE_IMAGE_UNITS,
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80 MAX_FRAGMENT_UNIFORM_VECTORS = FRAGMENT_UNIFORM_VECTORS - 3, // Reserve space for gl_DepthRange
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81 MAX_DRAW_BUFFERS = 1,
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82 MAX_ELEMENT_INDEX = 0x7FFFFFFF,
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83 MAX_ELEMENTS_INDICES = 0x7FFFFFFF,
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84 MAX_ELEMENTS_VERTICES = 0x7FFFFFFF,
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85 MAX_VERTEX_OUTPUT_VECTORS = 16,
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86 MAX_FRAGMENT_INPUT_VECTORS = 15,
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87 MIN_PROGRAM_TEXEL_OFFSET = -8,
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88 MAX_PROGRAM_TEXEL_OFFSET = 7,
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91 const GLenum compressedTextureFormats[] =
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95 GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
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96 GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
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97 GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE,
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98 GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE,
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100 #if (GL_ES_VERSION_3_0)
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101 GL_COMPRESSED_R11_EAC,
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102 GL_COMPRESSED_SIGNED_R11_EAC,
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103 GL_COMPRESSED_RG11_EAC,
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104 GL_COMPRESSED_SIGNED_RG11_EAC,
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105 GL_COMPRESSED_RGB8_ETC2,
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106 GL_COMPRESSED_SRGB8_ETC2,
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107 GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,
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108 GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
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109 GL_COMPRESSED_RGBA8_ETC2_EAC,
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110 GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC,
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114 const GLint NUM_COMPRESSED_TEXTURE_FORMATS = sizeof(compressedTextureFormats) / sizeof(compressedTextureFormats[0]);
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116 const float ALIASED_LINE_WIDTH_RANGE_MIN = 1.0f;
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117 const float ALIASED_LINE_WIDTH_RANGE_MAX = 1.0f;
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118 const float ALIASED_POINT_SIZE_RANGE_MIN = 0.125f;
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119 const float ALIASED_POINT_SIZE_RANGE_MAX = 8192.0f;
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120 const float MAX_TEXTURE_MAX_ANISOTROPY = 16.0f;
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124 QUERY_ANY_SAMPLES_PASSED,
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125 QUERY_ANY_SAMPLES_PASSED_CONSERVATIVE,
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126 QUERY_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN,
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139 // Helper structure describing a single vertex attribute
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140 class VertexAttribute
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143 VertexAttribute() : mType(GL_FLOAT), mSize(0), mNormalized(false), mStride(0), mDivisor(0), mPointer(NULL), mArrayEnabled(false)
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145 mCurrentValue[0].f = 0.0f;
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146 mCurrentValue[1].f = 0.0f;
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147 mCurrentValue[2].f = 0.0f;
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148 mCurrentValue[3].f = 1.0f;
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149 mCurrentValueType = ValueUnion::FloatType;
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152 int typeSize() const
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156 case GL_BYTE: return mSize * sizeof(GLbyte);
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157 case GL_UNSIGNED_BYTE: return mSize * sizeof(GLubyte);
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158 case GL_SHORT: return mSize * sizeof(GLshort);
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159 case GL_UNSIGNED_SHORT: return mSize * sizeof(GLushort);
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160 case GL_FIXED: return mSize * sizeof(GLfixed);
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161 case GL_FLOAT: return mSize * sizeof(GLfloat);
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162 default: UNREACHABLE(); return mSize * sizeof(GLfloat);
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166 GLsizei stride() const
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168 return mStride ? mStride : typeSize();
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171 inline float getCurrentValue(int i) const
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173 switch(mCurrentValueType)
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175 case ValueUnion::FloatType: return mCurrentValue[i].f;
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176 case ValueUnion::IntType: return static_cast<float>(mCurrentValue[i].i);
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177 case ValueUnion::UIntType: return static_cast<float>(mCurrentValue[i].ui);
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178 default: UNREACHABLE(); return mCurrentValue[i].f;
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182 inline GLint getCurrentValueI(int i) const
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184 switch(mCurrentValueType)
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186 case ValueUnion::FloatType: return static_cast<GLint>(mCurrentValue[i].f);
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187 case ValueUnion::IntType: return mCurrentValue[i].i;
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188 case ValueUnion::UIntType: return static_cast<GLint>(mCurrentValue[i].ui);
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189 default: UNREACHABLE(); return mCurrentValue[i].i;
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193 inline GLuint getCurrentValueUI(int i) const
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195 switch(mCurrentValueType)
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197 case ValueUnion::FloatType: return static_cast<GLuint>(mCurrentValue[i].f);
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198 case ValueUnion::IntType: return static_cast<GLuint>(mCurrentValue[i].i);
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199 case ValueUnion::UIntType: return mCurrentValue[i].ui;
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200 default: UNREACHABLE(); return mCurrentValue[i].ui;
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204 inline void setCurrentValue(const GLfloat *values)
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206 mCurrentValue[0].f = values[0];
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207 mCurrentValue[1].f = values[1];
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208 mCurrentValue[2].f = values[2];
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209 mCurrentValue[3].f = values[3];
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210 mCurrentValueType = ValueUnion::FloatType;
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213 inline void setCurrentValue(const GLint *values)
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215 mCurrentValue[0].i = values[0];
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216 mCurrentValue[1].i = values[1];
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217 mCurrentValue[2].i = values[2];
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218 mCurrentValue[3].i = values[3];
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219 mCurrentValueType = ValueUnion::IntType;
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222 inline void setCurrentValue(const GLuint *values)
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224 mCurrentValue[0].ui = values[0];
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225 mCurrentValue[1].ui = values[1];
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226 mCurrentValue[2].ui = values[2];
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227 mCurrentValue[3].ui = values[3];
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228 mCurrentValueType = ValueUnion::UIntType;
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231 // From glVertexAttribPointer
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235 GLsizei mStride; // 0 means natural stride
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236 GLuint mDivisor; // From glVertexAttribDivisor
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240 const void *mPointer;
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244 gl::BindingPointer<Buffer> mBoundBuffer; // Captured when glVertexAttribPointer is called.
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246 bool mArrayEnabled; // From glEnable/DisableVertexAttribArray
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250 enum Type { FloatType, IntType, UIntType };
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256 ValueUnion mCurrentValue[4]; // From glVertexAttrib
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257 ValueUnion::Type mCurrentValueType;
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260 typedef VertexAttribute VertexAttributeArray[MAX_VERTEX_ATTRIBS];
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262 // Helper structure to store all raw state
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265 Color colorClearValue;
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266 GLclampf depthClearValue;
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267 int stencilClearValue;
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275 GLenum sourceBlendRGB;
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276 GLenum destBlendRGB;
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277 GLenum sourceBlendAlpha;
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278 GLenum destBlendAlpha;
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279 GLenum blendEquationRGB;
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280 GLenum blendEquationAlpha;
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283 GLenum stencilFunc;
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285 GLuint stencilMask;
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286 GLenum stencilFail;
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287 GLenum stencilPassDepthFail;
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288 GLenum stencilPassDepthPass;
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289 GLuint stencilWritemask;
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290 GLenum stencilBackFunc;
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291 GLint stencilBackRef;
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292 GLuint stencilBackMask;
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293 GLenum stencilBackFail;
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294 GLenum stencilBackPassDepthFail;
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295 GLenum stencilBackPassDepthPass;
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296 GLuint stencilBackWritemask;
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297 bool polygonOffsetFill;
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298 GLfloat polygonOffsetFactor;
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299 GLfloat polygonOffsetUnits;
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300 bool sampleAlphaToCoverage;
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301 bool sampleCoverage;
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302 GLclampf sampleCoverageValue;
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303 bool sampleCoverageInvert;
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306 bool primitiveRestartFixedIndex;
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307 bool rasterizerDiscard;
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311 GLenum generateMipmapHint;
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312 GLenum fragmentShaderDerivativeHint;
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316 GLsizei viewportWidth;
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317 GLsizei viewportHeight;
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323 GLsizei scissorWidth;
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324 GLsizei scissorHeight;
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327 bool colorMaskGreen;
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328 bool colorMaskBlue;
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329 bool colorMaskAlpha;
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332 unsigned int activeSampler; // Active texture unit selector - GL_TEXTURE0
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333 gl::BindingPointer<Buffer> arrayBuffer;
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334 gl::BindingPointer<Buffer> copyReadBuffer;
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335 gl::BindingPointer<Buffer> copyWriteBuffer;
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336 gl::BindingPointer<Buffer> pixelPackBuffer;
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337 gl::BindingPointer<Buffer> pixelUnpackBuffer;
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338 gl::BindingPointer<Buffer> uniformBuffer;
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340 GLuint readFramebuffer;
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341 GLuint drawFramebuffer;
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342 GLuint readFramebufferColorIndex;
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343 GLuint drawFramebufferColorIndices[MAX_COLOR_ATTACHMENTS];
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344 gl::BindingPointer<Renderbuffer> renderbuffer;
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345 GLuint currentProgram;
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346 GLuint vertexArray;
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347 GLuint transformFeedback;
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348 gl::BindingPointer<Sampler> sampler[MAX_COMBINED_TEXTURE_IMAGE_UNITS];
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350 VertexAttribute vertexAttribute[MAX_VERTEX_ATTRIBS];
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351 gl::BindingPointer<Texture> samplerTexture[TEXTURE_TYPE_COUNT][MAX_COMBINED_TEXTURE_IMAGE_UNITS];
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352 gl::BindingPointer<Query> activeQuery[QUERY_TYPE_COUNT];
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354 egl::Image::UnpackInfo unpackInfo;
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355 GLint packAlignment;
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356 GLint packRowLength;
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357 GLint packSkipPixels;
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358 GLint packSkipRows;
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361 class Context : public egl::Context
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364 Context(const egl::Config *config, const Context *shareContext, EGLint clientVersion);
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366 virtual void makeCurrent(egl::Surface *surface);
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367 virtual EGLint getClientVersion() const;
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369 void markAllStateDirty();
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371 // State manipulation
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372 void setClearColor(float red, float green, float blue, float alpha);
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373 void setClearDepth(float depth);
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374 void setClearStencil(int stencil);
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376 void setCullFace(bool enabled);
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377 bool isCullFaceEnabled() const;
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378 void setCullMode(GLenum mode);
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379 void setFrontFace(GLenum front);
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381 void setDepthTest(bool enabled);
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382 bool isDepthTestEnabled() const;
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383 void setDepthFunc(GLenum depthFunc);
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384 void setDepthRange(float zNear, float zFar);
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386 void setBlend(bool enabled);
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387 bool isBlendEnabled() const;
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388 void setBlendFactors(GLenum sourceRGB, GLenum destRGB, GLenum sourceAlpha, GLenum destAlpha);
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389 void setBlendColor(float red, float green, float blue, float alpha);
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390 void setBlendEquation(GLenum rgbEquation, GLenum alphaEquation);
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392 void setStencilTest(bool enabled);
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393 bool isStencilTestEnabled() const;
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394 void setStencilParams(GLenum stencilFunc, GLint stencilRef, GLuint stencilMask);
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395 void setStencilBackParams(GLenum stencilBackFunc, GLint stencilBackRef, GLuint stencilBackMask);
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396 void setStencilWritemask(GLuint stencilWritemask);
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397 void setStencilBackWritemask(GLuint stencilBackWritemask);
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398 void setStencilOperations(GLenum stencilFail, GLenum stencilPassDepthFail, GLenum stencilPassDepthPass);
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399 void setStencilBackOperations(GLenum stencilBackFail, GLenum stencilBackPassDepthFail, GLenum stencilBackPassDepthPass);
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401 void setPolygonOffsetFill(bool enabled);
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402 bool isPolygonOffsetFillEnabled() const;
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403 void setPolygonOffsetParams(GLfloat factor, GLfloat units);
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405 void setSampleAlphaToCoverage(bool enabled);
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406 bool isSampleAlphaToCoverageEnabled() const;
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407 void setSampleCoverage(bool enabled);
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408 bool isSampleCoverageEnabled() const;
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409 void setSampleCoverageParams(GLclampf value, bool invert);
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411 void setDither(bool enabled);
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412 bool isDitherEnabled() const;
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414 void setPrimitiveRestartFixedIndex(bool enabled);
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415 bool isPrimitiveRestartFixedIndexEnabled() const;
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417 void setRasterizerDiscard(bool enabled);
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418 bool isRasterizerDiscardEnabled() const;
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420 void setLineWidth(GLfloat width);
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422 void setGenerateMipmapHint(GLenum hint);
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423 void setFragmentShaderDerivativeHint(GLenum hint);
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425 void setViewportParams(GLint x, GLint y, GLsizei width, GLsizei height);
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427 void setScissorTest(bool enabled);
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428 bool isScissorTestEnabled() const;
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429 void setScissorParams(GLint x, GLint y, GLsizei width, GLsizei height);
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431 void setColorMask(bool red, bool green, bool blue, bool alpha);
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432 unsigned int getColorMask() const;
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433 void setDepthMask(bool mask);
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435 void setActiveSampler(unsigned int active);
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437 GLuint getReadFramebufferName() const;
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438 GLuint getDrawFramebufferName() const;
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439 GLuint getRenderbufferName() const;
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441 void setReadFramebufferColorIndex(GLuint index);
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442 void setDrawFramebufferColorIndices(GLsizei n, const GLenum *bufs);
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443 GLuint getReadFramebufferColorIndex() const;
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445 GLuint getActiveQuery(GLenum target) const;
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447 GLuint getArrayBufferName() const;
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448 GLuint getElementArrayBufferName() const;
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450 void setEnableVertexAttribArray(unsigned int attribNum, bool enabled);
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451 void setVertexAttribDivisor(unsigned int attribNum, GLuint divisor);
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452 const VertexAttribute &getVertexAttribState(unsigned int attribNum) const;
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453 void setVertexAttribState(unsigned int attribNum, Buffer *boundBuffer, GLint size, GLenum type,
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454 bool normalized, GLsizei stride, const void *pointer);
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455 const void *getVertexAttribPointer(unsigned int attribNum) const;
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457 const VertexAttributeArray &getVertexArrayAttributes();
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458 // Context attribute current values can be queried independently from VAO current values
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459 const VertexAttributeArray &getCurrentVertexAttributes();
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461 void setUnpackAlignment(GLint alignment);
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462 void setUnpackRowLength(GLint rowLength);
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463 void setUnpackImageHeight(GLint imageHeight);
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464 void setUnpackSkipPixels(GLint skipPixels);
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465 void setUnpackSkipRows(GLint skipRows);
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466 void setUnpackSkipImages(GLint skipImages);
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467 const egl::Image::UnpackInfo& getUnpackInfo() const;
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469 void setPackAlignment(GLint alignment);
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470 void setPackRowLength(GLint rowLength);
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471 void setPackSkipPixels(GLint skipPixels);
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472 void setPackSkipRows(GLint skipRows);
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474 // These create and destroy methods are merely pass-throughs to
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475 // ResourceManager, which owns these object types
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476 GLuint createBuffer();
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477 GLuint createShader(GLenum type);
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478 GLuint createProgram();
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479 GLuint createTexture();
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480 GLuint createRenderbuffer();
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482 void deleteBuffer(GLuint buffer);
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483 void deleteShader(GLuint shader);
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484 void deleteProgram(GLuint program);
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485 void deleteTexture(GLuint texture);
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486 void deleteRenderbuffer(GLuint renderbuffer);
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488 // Framebuffers are owned by the Context, so these methods do not pass through
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489 GLuint createFramebuffer();
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490 void deleteFramebuffer(GLuint framebuffer);
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492 // Fences are owned by the Context
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493 GLuint createFence();
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494 void deleteFence(GLuint fence);
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496 // Queries are owned by the Context
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497 GLuint createQuery();
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498 void deleteQuery(GLuint query);
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500 // Vertex arrays are owned by the Context
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501 GLuint createVertexArray();
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502 void deleteVertexArray(GLuint array);
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504 // Transform feedbacks are owned by the Context
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505 GLuint createTransformFeedback();
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506 void deleteTransformFeedback(GLuint transformFeedback);
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508 // Samplers are owned by the Context
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509 GLuint createSampler();
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510 void deleteSampler(GLuint sampler);
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512 void bindArrayBuffer(GLuint buffer);
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513 void bindElementArrayBuffer(GLuint buffer);
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514 void bindCopyReadBuffer(GLuint buffer);
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515 void bindCopyWriteBuffer(GLuint buffer);
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516 void bindPixelPackBuffer(GLuint buffer);
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517 void bindPixelUnpackBuffer(GLuint buffer);
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518 void bindTransformFeedbackBuffer(GLuint buffer);
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519 void bindUniformBuffer(GLuint buffer);
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520 void bindTexture2D(GLuint texture);
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521 void bindTextureCubeMap(GLuint texture);
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522 void bindTextureExternal(GLuint texture);
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523 void bindTexture3D(GLuint texture);
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524 void bindTexture2DArray(GLuint texture);
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525 void bindReadFramebuffer(GLuint framebuffer);
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526 void bindDrawFramebuffer(GLuint framebuffer);
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527 void bindRenderbuffer(GLuint renderbuffer);
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528 bool bindVertexArray(GLuint array);
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529 bool bindTransformFeedback(GLuint transformFeedback);
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530 bool bindSampler(GLuint unit, GLuint sampler);
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531 void useProgram(GLuint program);
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533 void beginQuery(GLenum target, GLuint query);
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534 void endQuery(GLenum target);
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536 void setFramebufferZero(Framebuffer *framebuffer);
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538 void setRenderbufferStorage(RenderbufferStorage *renderbuffer);
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540 void setVertexAttrib(GLuint index, const GLfloat *values);
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541 void setVertexAttrib(GLuint index, const GLint *values);
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542 void setVertexAttrib(GLuint index, const GLuint *values);
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544 Buffer *getBuffer(GLuint handle) const;
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545 Fence *getFence(GLuint handle) const;
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546 Shader *getShader(GLuint handle) const;
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547 Program *getProgram(GLuint handle) const;
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548 virtual Texture *getTexture(GLuint handle) const;
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549 Framebuffer *getFramebuffer(GLuint handle) const;
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550 virtual Renderbuffer *getRenderbuffer(GLuint handle) const;
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551 Query *getQuery(GLuint handle) const;
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552 VertexArray *getVertexArray(GLuint array) const;
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553 VertexArray *getCurrentVertexArray() const;
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554 TransformFeedback *getTransformFeedback(GLuint transformFeedback) const;
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555 TransformFeedback *getTransformFeedback() const;
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556 Sampler *getSampler(GLuint sampler) const;
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558 Buffer *getArrayBuffer() const;
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559 Buffer *getElementArrayBuffer() const;
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560 Buffer *getCopyReadBuffer() const;
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561 Buffer *getCopyWriteBuffer() const;
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562 Buffer *getPixelPackBuffer() const;
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563 Buffer *getPixelUnpackBuffer() const;
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564 Buffer *getUniformBuffer() const;
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565 bool getBuffer(GLenum target, es2::Buffer **buffer) const;
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566 Program *getCurrentProgram() const;
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567 Texture2D *getTexture2D() const;
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568 Texture3D *getTexture3D() const;
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569 Texture2DArray *getTexture2DArray() const;
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570 TextureCubeMap *getTextureCubeMap() const;
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571 TextureExternal *getTextureExternal() const;
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572 Texture *getSamplerTexture(unsigned int sampler, TextureType type) const;
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573 Framebuffer *getReadFramebuffer() const;
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574 Framebuffer *getDrawFramebuffer() const;
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576 bool getFloatv(GLenum pname, GLfloat *params) const;
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577 template<typename T> bool getIntegerv(GLenum pname, T *params) const;
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578 bool getBooleanv(GLenum pname, GLboolean *params) const;
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579 template<typename T> bool getTransformFeedbackiv(GLuint xfb, GLenum pname, T *param) const;
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581 bool getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *numParams) const;
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583 bool hasZeroDivisor() const;
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585 void readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei *bufSize, void* pixels);
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586 void clear(GLbitfield mask);
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587 void clearColorBuffer(GLint drawbuffer, const GLint *value);
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588 void clearColorBuffer(GLint drawbuffer, const GLuint *value);
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589 void clearColorBuffer(GLint drawbuffer, const GLfloat *value);
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590 void clearDepthBuffer(GLint drawbuffer, const GLfloat *value);
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591 void clearStencilBuffer(GLint drawbuffer, const GLint *value);
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592 void clearDepthStencilBuffer(GLint drawbuffer, GLfloat depth, GLint stencil);
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593 void drawArrays(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount = 1);
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594 void drawElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void *indices, GLsizei instanceCount = 1);
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598 void recordInvalidEnum();
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599 void recordInvalidValue();
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600 void recordInvalidOperation();
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601 void recordOutOfMemory();
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602 void recordInvalidFramebufferOperation();
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606 static int getSupportedMultiSampleDepth(sw::Format format, int requested);
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608 void blitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
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609 GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
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612 virtual void bindTexImage(egl::Surface *surface);
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613 virtual EGLenum validateSharedImage(EGLenum target, GLuint name, GLuint textureLevel);
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614 virtual egl::Image *createSharedImage(EGLenum target, GLuint name, GLuint textureLevel);
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616 Device *getDevice();
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618 const GLubyte* getExtensions(GLuint index, GLuint* numExt = nullptr) const;
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621 virtual ~Context();
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623 egl::Image *getScissoredImage(GLint drawbuffer, int &x0, int &y0, int &width, int &height, bool depthStencil);
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624 void applyScissor(int width, int height);
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625 bool applyRenderTarget();
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626 void applyState(GLenum drawMode);
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627 GLenum applyVertexBuffer(GLint base, GLint first, GLsizei count, GLsizei instanceId);
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628 GLenum applyIndexBuffer(const void *indices, GLuint start, GLuint end, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo);
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629 void applyShaders();
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630 void applyTextures();
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631 void applyTextures(sw::SamplerType type);
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632 void applyTexture(sw::SamplerType type, int sampler, Texture *texture);
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634 void detachBuffer(GLuint buffer);
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635 void detachTexture(GLuint texture);
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636 void detachFramebuffer(GLuint framebuffer);
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637 void detachRenderbuffer(GLuint renderbuffer);
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639 bool cullSkipsDraw(GLenum drawMode);
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640 bool isTriangleMode(GLenum drawMode);
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642 Query *createQuery(GLuint handle, GLenum type);
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644 const EGLint clientVersion;
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645 const egl::Config *const mConfig;
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649 gl::BindingPointer<Texture2D> mTexture2DZero;
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650 gl::BindingPointer<Texture3D> mTexture3DZero;
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651 gl::BindingPointer<Texture2DArray> mTexture2DArrayZero;
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652 gl::BindingPointer<TextureCubeMap> mTextureCubeMapZero;
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653 gl::BindingPointer<TextureExternal> mTextureExternalZero;
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655 typedef std::map<GLint, Framebuffer*> FramebufferMap;
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656 FramebufferMap mFramebufferMap;
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657 gl::NameSpace mFramebufferNameSpace;
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659 typedef std::map<GLint, Fence*> FenceMap;
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660 FenceMap mFenceMap;
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661 gl::NameSpace mFenceNameSpace;
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663 typedef std::map<GLint, Query*> QueryMap;
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664 QueryMap mQueryMap;
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665 gl::NameSpace mQueryNameSpace;
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667 typedef std::map<GLint, VertexArray*> VertexArrayMap;
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668 VertexArrayMap mVertexArrayMap;
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669 gl::NameSpace mVertexArrayNameSpace;
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671 typedef std::map<GLint, TransformFeedback*> TransformFeedbackMap;
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672 TransformFeedbackMap mTransformFeedbackMap;
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673 gl::NameSpace mTransformFeedbackNameSpace;
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675 typedef std::map<GLint, Sampler*> SamplerMap;
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676 SamplerMap mSamplerMap;
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677 gl::NameSpace mSamplerNameSpace;
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679 VertexDataManager *mVertexDataManager;
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680 IndexDataManager *mIndexDataManager;
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684 bool mInvalidValue;
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685 bool mInvalidOperation;
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687 bool mInvalidFramebufferOperation;
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689 bool mHasBeenCurrent;
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691 unsigned int mAppliedProgramSerial;
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693 // state caching flags
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694 bool mDepthStateDirty;
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695 bool mMaskStateDirty;
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696 bool mPixelPackingStateDirty;
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697 bool mBlendStateDirty;
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698 bool mStencilStateDirty;
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699 bool mPolygonOffsetStateDirty;
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700 bool mSampleStateDirty;
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701 bool mFrontFaceDirty;
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702 bool mDitherStateDirty;
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705 ResourceManager *mResourceManager;
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709 #endif // INCLUDE_CONTEXT_H_
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