Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1 | // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | // Context.cpp: Implements the es1::Context class, managing all GL state and performing |
| 16 | // rendering operations. It is the GLES2 specific implementation of EGLContext. |
| 17 | |
| 18 | #include "Context.h" |
| 19 | |
| 20 | #include "main.h" |
| 21 | #include "mathutil.h" |
| 22 | #include "utilities.h" |
| 23 | #include "ResourceManager.h" |
| 24 | #include "Buffer.h" |
| 25 | #include "Framebuffer.h" |
| 26 | #include "Renderbuffer.h" |
| 27 | #include "Texture.h" |
| 28 | #include "VertexDataManager.h" |
| 29 | #include "IndexDataManager.h" |
| 30 | #include "libEGL/Display.h" |
Nicolas Capens | 31c07a3 | 2017-06-13 23:44:13 -0400 | [diff] [blame] | 31 | #include "common/Surface.hpp" |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 32 | #include "Common/Half.hpp" |
| 33 | |
| 34 | #include <EGL/eglext.h> |
| 35 | |
| 36 | using std::abs; |
| 37 | |
| 38 | namespace es1 |
| 39 | { |
Nicolas Capens | f6a377b | 2017-05-19 09:31:35 -0400 | [diff] [blame] | 40 | Context::Context(egl::Display *const display, const Context *shareContext, const egl::Config *config) |
| 41 | : egl::Context(display), config(config), |
Nicolas Capens | e7e70d0 | 2016-06-07 14:40:12 -0400 | [diff] [blame] | 42 | modelViewStack(MAX_MODELVIEW_STACK_DEPTH), |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 43 | projectionStack(MAX_PROJECTION_STACK_DEPTH), |
| 44 | textureStack0(MAX_TEXTURE_STACK_DEPTH), |
| 45 | textureStack1(MAX_TEXTURE_STACK_DEPTH) |
| 46 | { |
| 47 | sw::Context *context = new sw::Context(); |
| 48 | device = new es1::Device(context); |
| 49 | |
| 50 | mVertexDataManager = new VertexDataManager(this); |
| 51 | mIndexDataManager = new IndexDataManager(); |
| 52 | |
| 53 | setClearColor(0.0f, 0.0f, 0.0f, 0.0f); |
| 54 | |
| 55 | mState.depthClearValue = 1.0f; |
| 56 | mState.stencilClearValue = 0; |
| 57 | |
| 58 | mState.cullFaceEnabled = false; |
| 59 | mState.cullMode = GL_BACK; |
| 60 | mState.frontFace = GL_CCW; |
| 61 | mState.depthTestEnabled = false; |
| 62 | mState.depthFunc = GL_LESS; |
| 63 | mState.blendEnabled = false; |
| 64 | mState.sourceBlendRGB = GL_ONE; |
| 65 | mState.sourceBlendAlpha = GL_ONE; |
| 66 | mState.destBlendRGB = GL_ZERO; |
| 67 | mState.destBlendAlpha = GL_ZERO; |
| 68 | mState.blendEquationRGB = GL_FUNC_ADD_OES; |
| 69 | mState.blendEquationAlpha = GL_FUNC_ADD_OES; |
| 70 | mState.stencilTestEnabled = false; |
| 71 | mState.stencilFunc = GL_ALWAYS; |
| 72 | mState.stencilRef = 0; |
| 73 | mState.stencilMask = -1; |
| 74 | mState.stencilWritemask = -1; |
| 75 | mState.stencilFail = GL_KEEP; |
| 76 | mState.stencilPassDepthFail = GL_KEEP; |
| 77 | mState.stencilPassDepthPass = GL_KEEP; |
| 78 | mState.polygonOffsetFillEnabled = false; |
| 79 | mState.polygonOffsetFactor = 0.0f; |
| 80 | mState.polygonOffsetUnits = 0.0f; |
| 81 | mState.sampleAlphaToCoverageEnabled = false; |
| 82 | mState.sampleCoverageEnabled = false; |
| 83 | mState.sampleCoverageValue = 1.0f; |
| 84 | mState.sampleCoverageInvert = false; |
| 85 | mState.scissorTestEnabled = false; |
| 86 | mState.ditherEnabled = true; |
| 87 | mState.shadeModel = GL_SMOOTH; |
| 88 | mState.generateMipmapHint = GL_DONT_CARE; |
| 89 | mState.perspectiveCorrectionHint = GL_DONT_CARE; |
| 90 | mState.fogHint = GL_DONT_CARE; |
| 91 | |
| 92 | mState.lineWidth = 1.0f; |
| 93 | |
| 94 | mState.viewportX = 0; |
| 95 | mState.viewportY = 0; |
| 96 | mState.viewportWidth = 0; |
| 97 | mState.viewportHeight = 0; |
| 98 | mState.zNear = 0.0f; |
| 99 | mState.zFar = 1.0f; |
| 100 | |
| 101 | mState.scissorX = 0; |
| 102 | mState.scissorY = 0; |
| 103 | mState.scissorWidth = 0; |
| 104 | mState.scissorHeight = 0; |
| 105 | |
| 106 | mState.colorMaskRed = true; |
| 107 | mState.colorMaskGreen = true; |
| 108 | mState.colorMaskBlue = true; |
| 109 | mState.colorMaskAlpha = true; |
| 110 | mState.depthMask = true; |
| 111 | |
| 112 | for(int i = 0; i < MAX_TEXTURE_UNITS; i++) |
| 113 | { |
| 114 | mState.textureUnit[i].color = {0, 0, 0, 0}; |
| 115 | mState.textureUnit[i].environmentMode = GL_MODULATE; |
| 116 | mState.textureUnit[i].combineRGB = GL_MODULATE; |
| 117 | mState.textureUnit[i].combineAlpha = GL_MODULATE; |
| 118 | mState.textureUnit[i].src0RGB = GL_TEXTURE; |
| 119 | mState.textureUnit[i].src1RGB = GL_PREVIOUS; |
| 120 | mState.textureUnit[i].src2RGB = GL_CONSTANT; |
| 121 | mState.textureUnit[i].src0Alpha = GL_TEXTURE; |
| 122 | mState.textureUnit[i].src1Alpha = GL_PREVIOUS; |
| 123 | mState.textureUnit[i].src2Alpha = GL_CONSTANT; |
| 124 | mState.textureUnit[i].operand0RGB = GL_SRC_COLOR; |
| 125 | mState.textureUnit[i].operand1RGB = GL_SRC_COLOR; |
| 126 | mState.textureUnit[i].operand2RGB = GL_SRC_ALPHA; |
| 127 | mState.textureUnit[i].operand0Alpha = GL_SRC_ALPHA; |
| 128 | mState.textureUnit[i].operand1Alpha = GL_SRC_ALPHA; |
| 129 | mState.textureUnit[i].operand2Alpha = GL_SRC_ALPHA; |
| 130 | } |
| 131 | |
| 132 | if(shareContext) |
| 133 | { |
| 134 | mResourceManager = shareContext->mResourceManager; |
| 135 | mResourceManager->addRef(); |
| 136 | } |
| 137 | else |
| 138 | { |
| 139 | mResourceManager = new ResourceManager(); |
| 140 | } |
| 141 | |
| 142 | // [OpenGL ES 2.0.24] section 3.7 page 83: |
| 143 | // In the initial state, TEXTURE_2D and TEXTURE_CUBE_MAP have twodimensional |
| 144 | // and cube map texture state vectors respectively associated with them. |
| 145 | // In order that access to these initial textures not be lost, they are treated as texture |
| 146 | // objects all of whose names are 0. |
| 147 | |
| 148 | mTexture2DZero = new Texture2D(0); |
| 149 | mTextureExternalZero = new TextureExternal(0); |
| 150 | |
| 151 | mState.activeSampler = 0; |
Nicolas Capens | 2ce08b1 | 2018-03-02 12:37:47 -0500 | [diff] [blame] | 152 | |
| 153 | for(int type = 0; type < TEXTURE_TYPE_COUNT; type++) |
| 154 | { |
| 155 | bindTexture((TextureType)type, 0); |
| 156 | } |
| 157 | |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 158 | bindArrayBuffer(0); |
| 159 | bindElementArrayBuffer(0); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 160 | bindFramebuffer(0); |
| 161 | bindRenderbuffer(0); |
| 162 | |
| 163 | mState.packAlignment = 4; |
| 164 | mState.unpackAlignment = 4; |
| 165 | |
| 166 | mInvalidEnum = false; |
| 167 | mInvalidValue = false; |
| 168 | mInvalidOperation = false; |
| 169 | mOutOfMemory = false; |
| 170 | mInvalidFramebufferOperation = false; |
| 171 | mMatrixStackOverflow = false; |
| 172 | mMatrixStackUnderflow = false; |
| 173 | |
| 174 | lightingEnabled = false; |
| 175 | |
| 176 | for(int i = 0; i < MAX_LIGHTS; i++) |
| 177 | { |
| 178 | light[i].enabled = false; |
| 179 | light[i].ambient = {0.0f, 0.0f, 0.0f, 1.0f}; |
| 180 | light[i].diffuse = {0.0f, 0.0f, 0.0f, 1.0f}; |
| 181 | light[i].specular = {0.0f, 0.0f, 0.0f, 1.0f}; |
| 182 | light[i].position = {0.0f, 0.0f, 1.0f, 0.0f}; |
| 183 | light[i].direction = {0.0f, 0.0f, -1.0f}; |
| 184 | light[i].attenuation = {1.0f, 0.0f, 0.0f}; |
| 185 | light[i].spotExponent = 0.0f; |
| 186 | light[i].spotCutoffAngle = 180.0f; |
| 187 | } |
| 188 | |
| 189 | light[0].diffuse = {1.0f, 1.0f, 1.0f, 1.0f}; |
| 190 | light[0].specular = {1.0f, 1.0f, 1.0f, 1.0f}; |
| 191 | |
| 192 | globalAmbient = {0.2f, 0.2f, 0.2f, 1.0f}; |
| 193 | materialAmbient = {0.2f, 0.2f, 0.2f, 1.0f}; |
| 194 | materialDiffuse = {0.8f, 0.8f, 0.8f, 1.0f}; |
| 195 | materialSpecular = {0.0f, 0.0f, 0.0f, 1.0f}; |
| 196 | materialEmission = {0.0f, 0.0f, 0.0f, 1.0f}; |
| 197 | materialShininess = 0.0f; |
| 198 | lightModelTwoSide = false; |
| 199 | |
| 200 | matrixMode = GL_MODELVIEW; |
| 201 | |
| 202 | for(int i = 0; i < MAX_TEXTURE_UNITS; i++) |
| 203 | { |
| 204 | texture2Denabled[i] = false; |
| 205 | textureExternalEnabled[i] = false; |
| 206 | } |
| 207 | |
| 208 | clientTexture = GL_TEXTURE0; |
| 209 | |
| 210 | setVertexAttrib(sw::Color0, 1.0f, 1.0f, 1.0f, 1.0f); |
| 211 | |
| 212 | for(int i = 0; i < MAX_TEXTURE_UNITS; i++) |
| 213 | { |
| 214 | setVertexAttrib(sw::TexCoord0 + i, 0.0f, 0.0f, 0.0f, 1.0f); |
| 215 | } |
| 216 | |
| 217 | setVertexAttrib(sw::Normal, 0.0f, 0.0f, 1.0f, 1.0f); |
| 218 | setVertexAttrib(sw::PointSize, 1.0f, 1.0f, 1.0f, 1.0f); |
| 219 | |
| 220 | clipFlags = 0; |
| 221 | |
| 222 | alphaTestEnabled = false; |
| 223 | alphaTestFunc = GL_ALWAYS; |
| 224 | alphaTestRef = 0; |
| 225 | |
| 226 | fogEnabled = false; |
| 227 | fogMode = GL_EXP; |
| 228 | fogDensity = 1.0f; |
| 229 | fogStart = 0.0f; |
| 230 | fogEnd = 1.0f; |
| 231 | fogColor = {0, 0, 0, 0}; |
| 232 | |
| 233 | lineSmoothEnabled = false; |
| 234 | colorMaterialEnabled = false; |
| 235 | normalizeEnabled = false; |
| 236 | rescaleNormalEnabled = false; |
| 237 | multisampleEnabled = true; |
| 238 | sampleAlphaToOneEnabled = false; |
| 239 | |
| 240 | colorLogicOpEnabled = false; |
| 241 | logicalOperation = GL_COPY; |
| 242 | |
| 243 | pointSpriteEnabled = false; |
| 244 | pointSmoothEnabled = false; |
| 245 | pointSizeMin = 0.0f; |
| 246 | pointSizeMax = 1.0f; |
| 247 | pointDistanceAttenuation = {1.0f, 0.0f, 0.0f}; |
| 248 | pointFadeThresholdSize = 1.0f; |
| 249 | |
| 250 | mHasBeenCurrent = false; |
| 251 | |
| 252 | markAllStateDirty(); |
| 253 | } |
| 254 | |
| 255 | Context::~Context() |
| 256 | { |
| 257 | while(!mFramebufferNameSpace.empty()) |
| 258 | { |
| 259 | deleteFramebuffer(mFramebufferNameSpace.firstName()); |
| 260 | } |
| 261 | |
| 262 | for(int type = 0; type < TEXTURE_TYPE_COUNT; type++) |
| 263 | { |
| 264 | for(int sampler = 0; sampler < MAX_TEXTURE_UNITS; sampler++) |
| 265 | { |
| 266 | mState.samplerTexture[type][sampler] = nullptr; |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | for(int i = 0; i < MAX_VERTEX_ATTRIBS; i++) |
| 271 | { |
| 272 | mState.vertexAttribute[i].mBoundBuffer = nullptr; |
| 273 | } |
| 274 | |
| 275 | mState.arrayBuffer = nullptr; |
| 276 | mState.elementArrayBuffer = nullptr; |
| 277 | mState.renderbuffer = nullptr; |
| 278 | |
| 279 | mTexture2DZero = nullptr; |
| 280 | mTextureExternalZero = nullptr; |
| 281 | |
| 282 | delete mVertexDataManager; |
| 283 | delete mIndexDataManager; |
| 284 | |
| 285 | mResourceManager->release(); |
| 286 | delete device; |
| 287 | } |
| 288 | |
Nicolas Capens | 31c07a3 | 2017-06-13 23:44:13 -0400 | [diff] [blame] | 289 | void Context::makeCurrent(gl::Surface *surface) |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 290 | { |
| 291 | if(!mHasBeenCurrent) |
| 292 | { |
| 293 | mState.viewportX = 0; |
| 294 | mState.viewportY = 0; |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 295 | mState.viewportWidth = surface ? surface->getWidth() : 0; |
| 296 | mState.viewportHeight = surface ? surface->getHeight() : 0; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 297 | |
| 298 | mState.scissorX = 0; |
| 299 | mState.scissorY = 0; |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 300 | mState.scissorWidth = surface ? surface->getWidth() : 0; |
| 301 | mState.scissorHeight = surface ? surface->getHeight() : 0; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 302 | |
| 303 | mHasBeenCurrent = true; |
| 304 | } |
| 305 | |
| 306 | // Wrap the existing resources into GL objects and assign them to the '0' names |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 307 | egl::Image *defaultRenderTarget = surface ? surface->getRenderTarget() : nullptr; |
| 308 | egl::Image *depthStencil = surface ? surface->getDepthStencil() : nullptr; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 309 | |
| 310 | Colorbuffer *colorbufferZero = new Colorbuffer(defaultRenderTarget); |
| 311 | DepthStencilbuffer *depthStencilbufferZero = new DepthStencilbuffer(depthStencil); |
| 312 | Framebuffer *framebufferZero = new DefaultFramebuffer(colorbufferZero, depthStencilbufferZero); |
| 313 | |
| 314 | setFramebufferZero(framebufferZero); |
| 315 | |
| 316 | if(defaultRenderTarget) |
| 317 | { |
| 318 | defaultRenderTarget->release(); |
| 319 | } |
| 320 | |
| 321 | if(depthStencil) |
| 322 | { |
| 323 | depthStencil->release(); |
| 324 | } |
| 325 | |
| 326 | markAllStateDirty(); |
| 327 | } |
| 328 | |
Nicolas Capens | f6a377b | 2017-05-19 09:31:35 -0400 | [diff] [blame] | 329 | EGLint Context::getClientVersion() const |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 330 | { |
| 331 | return 1; |
| 332 | } |
| 333 | |
Nicolas Capens | f6a377b | 2017-05-19 09:31:35 -0400 | [diff] [blame] | 334 | EGLint Context::getConfigID() const |
| 335 | { |
| 336 | return config->mConfigID; |
| 337 | } |
| 338 | |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 339 | // This function will set all of the state-related dirty flags, so that all state is set during next pre-draw. |
| 340 | void Context::markAllStateDirty() |
| 341 | { |
| 342 | mDepthStateDirty = true; |
| 343 | mMaskStateDirty = true; |
| 344 | mBlendStateDirty = true; |
| 345 | mStencilStateDirty = true; |
| 346 | mPolygonOffsetStateDirty = true; |
| 347 | mSampleStateDirty = true; |
| 348 | mDitherStateDirty = true; |
| 349 | mFrontFaceDirty = true; |
| 350 | } |
| 351 | |
| 352 | void Context::setClearColor(float red, float green, float blue, float alpha) |
| 353 | { |
| 354 | mState.colorClearValue.red = red; |
| 355 | mState.colorClearValue.green = green; |
| 356 | mState.colorClearValue.blue = blue; |
| 357 | mState.colorClearValue.alpha = alpha; |
| 358 | } |
| 359 | |
| 360 | void Context::setClearDepth(float depth) |
| 361 | { |
| 362 | mState.depthClearValue = depth; |
| 363 | } |
| 364 | |
| 365 | void Context::setClearStencil(int stencil) |
| 366 | { |
| 367 | mState.stencilClearValue = stencil; |
| 368 | } |
| 369 | |
| 370 | void Context::setCullFaceEnabled(bool enabled) |
| 371 | { |
| 372 | mState.cullFaceEnabled = enabled; |
| 373 | } |
| 374 | |
| 375 | bool Context::isCullFaceEnabled() const |
| 376 | { |
| 377 | return mState.cullFaceEnabled; |
| 378 | } |
| 379 | |
| 380 | void Context::setCullMode(GLenum mode) |
| 381 | { |
| 382 | mState.cullMode = mode; |
| 383 | } |
| 384 | |
| 385 | void Context::setFrontFace(GLenum front) |
| 386 | { |
| 387 | if(mState.frontFace != front) |
| 388 | { |
| 389 | mState.frontFace = front; |
| 390 | mFrontFaceDirty = true; |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | void Context::setDepthTestEnabled(bool enabled) |
| 395 | { |
| 396 | if(mState.depthTestEnabled != enabled) |
| 397 | { |
| 398 | mState.depthTestEnabled = enabled; |
| 399 | mDepthStateDirty = true; |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | bool Context::isDepthTestEnabled() const |
| 404 | { |
| 405 | return mState.depthTestEnabled; |
| 406 | } |
| 407 | |
| 408 | void Context::setDepthFunc(GLenum depthFunc) |
| 409 | { |
| 410 | if(mState.depthFunc != depthFunc) |
| 411 | { |
| 412 | mState.depthFunc = depthFunc; |
| 413 | mDepthStateDirty = true; |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | void Context::setDepthRange(float zNear, float zFar) |
| 418 | { |
| 419 | mState.zNear = zNear; |
| 420 | mState.zFar = zFar; |
| 421 | } |
| 422 | |
| 423 | void Context::setAlphaTestEnabled(bool enabled) |
| 424 | { |
| 425 | alphaTestEnabled = enabled; |
| 426 | } |
| 427 | |
| 428 | bool Context::isAlphaTestEnabled() const |
| 429 | { |
| 430 | return alphaTestEnabled; |
| 431 | } |
| 432 | |
| 433 | void Context::setAlphaFunc(GLenum alphaFunc, GLclampf reference) |
| 434 | { |
| 435 | alphaTestFunc = alphaFunc; |
| 436 | alphaTestRef = reference; |
| 437 | } |
| 438 | |
| 439 | void Context::setBlendEnabled(bool enabled) |
| 440 | { |
| 441 | if(mState.blendEnabled != enabled) |
| 442 | { |
| 443 | mState.blendEnabled = enabled; |
| 444 | mBlendStateDirty = true; |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | bool Context::isBlendEnabled() const |
| 449 | { |
| 450 | return mState.blendEnabled; |
| 451 | } |
| 452 | |
| 453 | void Context::setBlendFactors(GLenum sourceRGB, GLenum destRGB, GLenum sourceAlpha, GLenum destAlpha) |
| 454 | { |
| 455 | if(mState.sourceBlendRGB != sourceRGB || |
| 456 | mState.sourceBlendAlpha != sourceAlpha || |
| 457 | mState.destBlendRGB != destRGB || |
| 458 | mState.destBlendAlpha != destAlpha) |
| 459 | { |
| 460 | mState.sourceBlendRGB = sourceRGB; |
| 461 | mState.destBlendRGB = destRGB; |
| 462 | mState.sourceBlendAlpha = sourceAlpha; |
| 463 | mState.destBlendAlpha = destAlpha; |
| 464 | mBlendStateDirty = true; |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | void Context::setBlendEquation(GLenum rgbEquation, GLenum alphaEquation) |
| 469 | { |
| 470 | if(mState.blendEquationRGB != rgbEquation || |
| 471 | mState.blendEquationAlpha != alphaEquation) |
| 472 | { |
| 473 | mState.blendEquationRGB = rgbEquation; |
| 474 | mState.blendEquationAlpha = alphaEquation; |
| 475 | mBlendStateDirty = true; |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | void Context::setStencilTestEnabled(bool enabled) |
| 480 | { |
| 481 | if(mState.stencilTestEnabled != enabled) |
| 482 | { |
| 483 | mState.stencilTestEnabled = enabled; |
| 484 | mStencilStateDirty = true; |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | bool Context::isStencilTestEnabled() const |
| 489 | { |
| 490 | return mState.stencilTestEnabled; |
| 491 | } |
| 492 | |
| 493 | void Context::setStencilParams(GLenum stencilFunc, GLint stencilRef, GLuint stencilMask) |
| 494 | { |
| 495 | if(mState.stencilFunc != stencilFunc || |
| 496 | mState.stencilRef != stencilRef || |
| 497 | mState.stencilMask != stencilMask) |
| 498 | { |
| 499 | mState.stencilFunc = stencilFunc; |
| 500 | mState.stencilRef = (stencilRef > 0) ? stencilRef : 0; |
| 501 | mState.stencilMask = stencilMask; |
| 502 | mStencilStateDirty = true; |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | void Context::setStencilWritemask(GLuint stencilWritemask) |
| 507 | { |
| 508 | if(mState.stencilWritemask != stencilWritemask) |
| 509 | { |
| 510 | mState.stencilWritemask = stencilWritemask; |
| 511 | mStencilStateDirty = true; |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | void Context::setStencilOperations(GLenum stencilFail, GLenum stencilPassDepthFail, GLenum stencilPassDepthPass) |
| 516 | { |
| 517 | if(mState.stencilFail != stencilFail || |
| 518 | mState.stencilPassDepthFail != stencilPassDepthFail || |
| 519 | mState.stencilPassDepthPass != stencilPassDepthPass) |
| 520 | { |
| 521 | mState.stencilFail = stencilFail; |
| 522 | mState.stencilPassDepthFail = stencilPassDepthFail; |
| 523 | mState.stencilPassDepthPass = stencilPassDepthPass; |
| 524 | mStencilStateDirty = true; |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | void Context::setPolygonOffsetFillEnabled(bool enabled) |
| 529 | { |
| 530 | if(mState.polygonOffsetFillEnabled != enabled) |
| 531 | { |
| 532 | mState.polygonOffsetFillEnabled = enabled; |
| 533 | mPolygonOffsetStateDirty = true; |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | bool Context::isPolygonOffsetFillEnabled() const |
| 538 | { |
| 539 | return mState.polygonOffsetFillEnabled; |
| 540 | } |
| 541 | |
| 542 | void Context::setPolygonOffsetParams(GLfloat factor, GLfloat units) |
| 543 | { |
| 544 | if(mState.polygonOffsetFactor != factor || |
| 545 | mState.polygonOffsetUnits != units) |
| 546 | { |
| 547 | mState.polygonOffsetFactor = factor; |
| 548 | mState.polygonOffsetUnits = units; |
| 549 | mPolygonOffsetStateDirty = true; |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | void Context::setSampleAlphaToCoverageEnabled(bool enabled) |
| 554 | { |
| 555 | if(mState.sampleAlphaToCoverageEnabled != enabled) |
| 556 | { |
| 557 | mState.sampleAlphaToCoverageEnabled = enabled; |
| 558 | mSampleStateDirty = true; |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | bool Context::isSampleAlphaToCoverageEnabled() const |
| 563 | { |
| 564 | return mState.sampleAlphaToCoverageEnabled; |
| 565 | } |
| 566 | |
| 567 | void Context::setSampleCoverageEnabled(bool enabled) |
| 568 | { |
| 569 | if(mState.sampleCoverageEnabled != enabled) |
| 570 | { |
| 571 | mState.sampleCoverageEnabled = enabled; |
| 572 | mSampleStateDirty = true; |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | bool Context::isSampleCoverageEnabled() const |
| 577 | { |
| 578 | return mState.sampleCoverageEnabled; |
| 579 | } |
| 580 | |
| 581 | void Context::setSampleCoverageParams(GLclampf value, bool invert) |
| 582 | { |
| 583 | if(mState.sampleCoverageValue != value || |
| 584 | mState.sampleCoverageInvert != invert) |
| 585 | { |
| 586 | mState.sampleCoverageValue = value; |
| 587 | mState.sampleCoverageInvert = invert; |
| 588 | mSampleStateDirty = true; |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | void Context::setScissorTestEnabled(bool enabled) |
| 593 | { |
| 594 | mState.scissorTestEnabled = enabled; |
| 595 | } |
| 596 | |
| 597 | bool Context::isScissorTestEnabled() const |
| 598 | { |
| 599 | return mState.scissorTestEnabled; |
| 600 | } |
| 601 | |
| 602 | void Context::setShadeModel(GLenum mode) |
| 603 | { |
| 604 | mState.shadeModel = mode; |
| 605 | } |
| 606 | |
| 607 | void Context::setDitherEnabled(bool enabled) |
| 608 | { |
| 609 | if(mState.ditherEnabled != enabled) |
| 610 | { |
| 611 | mState.ditherEnabled = enabled; |
| 612 | mDitherStateDirty = true; |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | bool Context::isDitherEnabled() const |
| 617 | { |
| 618 | return mState.ditherEnabled; |
| 619 | } |
| 620 | |
| 621 | void Context::setLightingEnabled(bool enable) |
| 622 | { |
| 623 | lightingEnabled = enable; |
| 624 | } |
| 625 | |
| 626 | bool Context::isLightingEnabled() const |
| 627 | { |
| 628 | return lightingEnabled; |
| 629 | } |
| 630 | |
| 631 | void Context::setLightEnabled(int index, bool enable) |
| 632 | { |
| 633 | light[index].enabled = enable; |
| 634 | } |
| 635 | |
| 636 | bool Context::isLightEnabled(int index) const |
| 637 | { |
| 638 | return light[index].enabled; |
| 639 | } |
| 640 | |
| 641 | void Context::setLightAmbient(int index, float r, float g, float b, float a) |
| 642 | { |
| 643 | light[index].ambient = {r, g, b, a}; |
| 644 | } |
| 645 | |
| 646 | void Context::setLightDiffuse(int index, float r, float g, float b, float a) |
| 647 | { |
| 648 | light[index].diffuse = {r, g, b, a}; |
| 649 | } |
| 650 | |
| 651 | void Context::setLightSpecular(int index, float r, float g, float b, float a) |
| 652 | { |
| 653 | light[index].specular = {r, g, b, a}; |
| 654 | } |
| 655 | |
| 656 | void Context::setLightPosition(int index, float x, float y, float z, float w) |
| 657 | { |
| 658 | sw::float4 v = {x, y, z, w}; |
| 659 | |
| 660 | // Transform from object coordinates to eye coordinates |
| 661 | v = modelViewStack.current() * v; |
| 662 | |
| 663 | light[index].position = {v.x, v.y, v.z, v.w}; |
| 664 | } |
| 665 | |
| 666 | void Context::setLightDirection(int index, float x, float y, float z) |
| 667 | { |
| 668 | // FIXME: Transform by inverse of 3x3 model-view matrix |
| 669 | light[index].direction = {x, y, z}; |
| 670 | } |
| 671 | |
| 672 | void Context::setLightAttenuationConstant(int index, float constant) |
| 673 | { |
| 674 | light[index].attenuation.constant = constant; |
| 675 | } |
| 676 | |
| 677 | void Context::setLightAttenuationLinear(int index, float linear) |
| 678 | { |
| 679 | light[index].attenuation.linear = linear; |
| 680 | } |
| 681 | |
| 682 | void Context::setLightAttenuationQuadratic(int index, float quadratic) |
| 683 | { |
| 684 | light[index].attenuation.quadratic = quadratic; |
| 685 | } |
| 686 | |
| 687 | void Context::setSpotLightExponent(int index, float exponent) |
| 688 | { |
| 689 | light[index].spotExponent = exponent; |
| 690 | } |
| 691 | |
| 692 | void Context::setSpotLightCutoff(int index, float cutoff) |
| 693 | { |
| 694 | light[index].spotCutoffAngle = cutoff; |
| 695 | } |
| 696 | |
| 697 | void Context::setGlobalAmbient(float red, float green, float blue, float alpha) |
| 698 | { |
| 699 | globalAmbient.red = red; |
| 700 | globalAmbient.green = green; |
| 701 | globalAmbient.blue = blue; |
| 702 | globalAmbient.alpha = alpha; |
| 703 | } |
| 704 | |
| 705 | void Context::setMaterialAmbient(float red, float green, float blue, float alpha) |
| 706 | { |
| 707 | materialAmbient.red = red; |
| 708 | materialAmbient.green = green; |
| 709 | materialAmbient.blue = blue; |
| 710 | materialAmbient.alpha = alpha; |
| 711 | } |
| 712 | |
| 713 | void Context::setMaterialDiffuse(float red, float green, float blue, float alpha) |
| 714 | { |
| 715 | materialDiffuse.red = red; |
| 716 | materialDiffuse.green = green; |
| 717 | materialDiffuse.blue = blue; |
| 718 | materialDiffuse.alpha = alpha; |
| 719 | } |
| 720 | |
| 721 | void Context::setMaterialSpecular(float red, float green, float blue, float alpha) |
| 722 | { |
| 723 | materialSpecular.red = red; |
| 724 | materialSpecular.green = green; |
| 725 | materialSpecular.blue = blue; |
| 726 | materialSpecular.alpha = alpha; |
| 727 | } |
| 728 | |
| 729 | void Context::setMaterialEmission(float red, float green, float blue, float alpha) |
| 730 | { |
| 731 | materialEmission.red = red; |
| 732 | materialEmission.green = green; |
| 733 | materialEmission.blue = blue; |
| 734 | materialEmission.alpha = alpha; |
| 735 | } |
| 736 | |
| 737 | void Context::setMaterialShininess(float shininess) |
| 738 | { |
| 739 | materialShininess = shininess; |
| 740 | } |
| 741 | |
| 742 | void Context::setLightModelTwoSide(bool enable) |
| 743 | { |
| 744 | lightModelTwoSide = enable; |
| 745 | } |
| 746 | |
| 747 | void Context::setFogEnabled(bool enable) |
| 748 | { |
| 749 | fogEnabled = enable; |
| 750 | } |
| 751 | |
| 752 | bool Context::isFogEnabled() const |
| 753 | { |
| 754 | return fogEnabled; |
| 755 | } |
| 756 | |
| 757 | void Context::setFogMode(GLenum mode) |
| 758 | { |
| 759 | fogMode = mode; |
| 760 | } |
| 761 | |
| 762 | void Context::setFogDensity(float fogDensity) |
| 763 | { |
| 764 | this->fogDensity = fogDensity; |
| 765 | } |
| 766 | |
| 767 | void Context::setFogStart(float fogStart) |
| 768 | { |
| 769 | this->fogStart = fogStart; |
| 770 | } |
| 771 | |
| 772 | void Context::setFogEnd(float fogEnd) |
| 773 | { |
| 774 | this->fogEnd = fogEnd; |
| 775 | } |
| 776 | |
| 777 | void Context::setFogColor(float r, float g, float b, float a) |
| 778 | { |
| 779 | this->fogColor = {r, g, b, a}; |
| 780 | } |
| 781 | |
| 782 | void Context::setTexture2Denabled(bool enable) |
| 783 | { |
| 784 | texture2Denabled[mState.activeSampler] = enable; |
| 785 | } |
| 786 | |
| 787 | bool Context::isTexture2Denabled() const |
| 788 | { |
| 789 | return texture2Denabled[mState.activeSampler]; |
| 790 | } |
| 791 | |
| 792 | void Context::setTextureExternalEnabled(bool enable) |
| 793 | { |
| 794 | textureExternalEnabled[mState.activeSampler] = enable; |
| 795 | } |
| 796 | |
| 797 | bool Context::isTextureExternalEnabled() const |
| 798 | { |
| 799 | return textureExternalEnabled[mState.activeSampler]; |
| 800 | } |
| 801 | |
| 802 | void Context::setLineWidth(GLfloat width) |
| 803 | { |
| 804 | mState.lineWidth = width; |
| 805 | device->setLineWidth(clamp(width, ALIASED_LINE_WIDTH_RANGE_MIN, ALIASED_LINE_WIDTH_RANGE_MAX)); |
| 806 | } |
| 807 | |
| 808 | void Context::setGenerateMipmapHint(GLenum hint) |
| 809 | { |
| 810 | mState.generateMipmapHint = hint; |
| 811 | } |
| 812 | |
| 813 | void Context::setPerspectiveCorrectionHint(GLenum hint) |
| 814 | { |
| 815 | mState.perspectiveCorrectionHint = hint; |
| 816 | } |
| 817 | |
| 818 | void Context::setFogHint(GLenum hint) |
| 819 | { |
| 820 | mState.fogHint = hint; |
| 821 | } |
| 822 | |
| 823 | void Context::setViewportParams(GLint x, GLint y, GLsizei width, GLsizei height) |
| 824 | { |
| 825 | mState.viewportX = x; |
| 826 | mState.viewportY = y; |
| 827 | mState.viewportWidth = width; |
| 828 | mState.viewportHeight = height; |
| 829 | } |
| 830 | |
| 831 | void Context::setScissorParams(GLint x, GLint y, GLsizei width, GLsizei height) |
| 832 | { |
| 833 | mState.scissorX = x; |
| 834 | mState.scissorY = y; |
| 835 | mState.scissorWidth = width; |
| 836 | mState.scissorHeight = height; |
| 837 | } |
| 838 | |
| 839 | void Context::setColorMask(bool red, bool green, bool blue, bool alpha) |
| 840 | { |
| 841 | if(mState.colorMaskRed != red || mState.colorMaskGreen != green || |
| 842 | mState.colorMaskBlue != blue || mState.colorMaskAlpha != alpha) |
| 843 | { |
| 844 | mState.colorMaskRed = red; |
| 845 | mState.colorMaskGreen = green; |
| 846 | mState.colorMaskBlue = blue; |
| 847 | mState.colorMaskAlpha = alpha; |
| 848 | mMaskStateDirty = true; |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | void Context::setDepthMask(bool mask) |
| 853 | { |
| 854 | if(mState.depthMask != mask) |
| 855 | { |
| 856 | mState.depthMask = mask; |
| 857 | mMaskStateDirty = true; |
| 858 | } |
| 859 | } |
| 860 | |
| 861 | void Context::setActiveSampler(unsigned int active) |
| 862 | { |
| 863 | mState.activeSampler = active; |
| 864 | } |
| 865 | |
| 866 | GLuint Context::getFramebufferName() const |
| 867 | { |
| 868 | return mState.framebuffer; |
| 869 | } |
| 870 | |
| 871 | GLuint Context::getRenderbufferName() const |
| 872 | { |
| 873 | return mState.renderbuffer.name(); |
| 874 | } |
| 875 | |
| 876 | GLuint Context::getArrayBufferName() const |
| 877 | { |
| 878 | return mState.arrayBuffer.name(); |
| 879 | } |
| 880 | |
| 881 | void Context::setVertexAttribArrayEnabled(unsigned int attribNum, bool enabled) |
| 882 | { |
| 883 | mState.vertexAttribute[attribNum].mArrayEnabled = enabled; |
| 884 | } |
| 885 | |
| 886 | const VertexAttribute &Context::getVertexAttribState(unsigned int attribNum) |
| 887 | { |
| 888 | return mState.vertexAttribute[attribNum]; |
| 889 | } |
| 890 | |
| 891 | void Context::setVertexAttribState(unsigned int attribNum, Buffer *boundBuffer, GLint size, GLenum type, bool normalized, |
| 892 | GLsizei stride, const void *pointer) |
| 893 | { |
| 894 | mState.vertexAttribute[attribNum].mBoundBuffer = boundBuffer; |
| 895 | mState.vertexAttribute[attribNum].mSize = size; |
| 896 | mState.vertexAttribute[attribNum].mType = type; |
| 897 | mState.vertexAttribute[attribNum].mNormalized = normalized; |
| 898 | mState.vertexAttribute[attribNum].mStride = stride; |
| 899 | mState.vertexAttribute[attribNum].mPointer = pointer; |
| 900 | } |
| 901 | |
| 902 | const void *Context::getVertexAttribPointer(unsigned int attribNum) const |
| 903 | { |
| 904 | return mState.vertexAttribute[attribNum].mPointer; |
| 905 | } |
| 906 | |
| 907 | const VertexAttributeArray &Context::getVertexAttributes() |
| 908 | { |
| 909 | return mState.vertexAttribute; |
| 910 | } |
| 911 | |
| 912 | void Context::setPackAlignment(GLint alignment) |
| 913 | { |
| 914 | mState.packAlignment = alignment; |
| 915 | } |
| 916 | |
| 917 | GLint Context::getPackAlignment() const |
| 918 | { |
| 919 | return mState.packAlignment; |
| 920 | } |
| 921 | |
| 922 | void Context::setUnpackAlignment(GLint alignment) |
| 923 | { |
| 924 | mState.unpackAlignment = alignment; |
| 925 | } |
| 926 | |
| 927 | GLint Context::getUnpackAlignment() const |
| 928 | { |
| 929 | return mState.unpackAlignment; |
| 930 | } |
| 931 | |
| 932 | GLuint Context::createBuffer() |
| 933 | { |
| 934 | return mResourceManager->createBuffer(); |
| 935 | } |
| 936 | |
| 937 | GLuint Context::createTexture() |
| 938 | { |
| 939 | return mResourceManager->createTexture(); |
| 940 | } |
| 941 | |
| 942 | GLuint Context::createRenderbuffer() |
| 943 | { |
| 944 | return mResourceManager->createRenderbuffer(); |
| 945 | } |
| 946 | |
| 947 | // Returns an unused framebuffer name |
| 948 | GLuint Context::createFramebuffer() |
| 949 | { |
| 950 | return mFramebufferNameSpace.allocate(); |
| 951 | } |
| 952 | |
| 953 | void Context::deleteBuffer(GLuint buffer) |
| 954 | { |
| 955 | detachBuffer(buffer); |
| 956 | |
| 957 | mResourceManager->deleteBuffer(buffer); |
| 958 | } |
| 959 | |
| 960 | void Context::deleteTexture(GLuint texture) |
| 961 | { |
| 962 | detachTexture(texture); |
| 963 | |
| 964 | mResourceManager->deleteTexture(texture); |
| 965 | } |
| 966 | |
| 967 | void Context::deleteRenderbuffer(GLuint renderbuffer) |
| 968 | { |
| 969 | detachRenderbuffer(renderbuffer); |
| 970 | |
| 971 | mResourceManager->deleteRenderbuffer(renderbuffer); |
| 972 | } |
| 973 | |
| 974 | void Context::deleteFramebuffer(GLuint framebuffer) |
| 975 | { |
| 976 | detachFramebuffer(framebuffer); |
| 977 | |
| 978 | Framebuffer *framebufferObject = mFramebufferNameSpace.remove(framebuffer); |
| 979 | |
| 980 | if(framebufferObject) |
| 981 | { |
| 982 | delete framebufferObject; |
| 983 | } |
| 984 | } |
| 985 | |
| 986 | Buffer *Context::getBuffer(GLuint handle) |
| 987 | { |
| 988 | return mResourceManager->getBuffer(handle); |
| 989 | } |
| 990 | |
| 991 | Texture *Context::getTexture(GLuint handle) |
| 992 | { |
| 993 | return mResourceManager->getTexture(handle); |
| 994 | } |
| 995 | |
| 996 | Renderbuffer *Context::getRenderbuffer(GLuint handle) |
| 997 | { |
| 998 | return mResourceManager->getRenderbuffer(handle); |
| 999 | } |
| 1000 | |
| 1001 | Framebuffer *Context::getFramebuffer() |
| 1002 | { |
| 1003 | return getFramebuffer(mState.framebuffer); |
| 1004 | } |
| 1005 | |
| 1006 | void Context::bindArrayBuffer(unsigned int buffer) |
| 1007 | { |
| 1008 | mResourceManager->checkBufferAllocation(buffer); |
| 1009 | |
| 1010 | mState.arrayBuffer = getBuffer(buffer); |
| 1011 | } |
| 1012 | |
| 1013 | void Context::bindElementArrayBuffer(unsigned int buffer) |
| 1014 | { |
| 1015 | mResourceManager->checkBufferAllocation(buffer); |
| 1016 | |
| 1017 | mState.elementArrayBuffer = getBuffer(buffer); |
| 1018 | } |
| 1019 | |
Nicolas Capens | 2ce08b1 | 2018-03-02 12:37:47 -0500 | [diff] [blame] | 1020 | void Context::bindTexture(TextureType type, GLuint texture) |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1021 | { |
Nicolas Capens | 2ce08b1 | 2018-03-02 12:37:47 -0500 | [diff] [blame] | 1022 | mResourceManager->checkTextureAllocation(texture, type); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1023 | |
Nicolas Capens | 2ce08b1 | 2018-03-02 12:37:47 -0500 | [diff] [blame] | 1024 | mState.samplerTexture[type][mState.activeSampler] = getTexture(texture); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1025 | } |
| 1026 | |
| 1027 | void Context::bindFramebuffer(GLuint framebuffer) |
| 1028 | { |
| 1029 | if(!getFramebuffer(framebuffer)) |
| 1030 | { |
| 1031 | mFramebufferNameSpace.insert(framebuffer, new Framebuffer()); |
| 1032 | } |
| 1033 | |
| 1034 | mState.framebuffer = framebuffer; |
| 1035 | } |
| 1036 | |
| 1037 | void Context::bindRenderbuffer(GLuint renderbuffer) |
| 1038 | { |
| 1039 | mResourceManager->checkRenderbufferAllocation(renderbuffer); |
| 1040 | |
| 1041 | mState.renderbuffer = getRenderbuffer(renderbuffer); |
| 1042 | } |
| 1043 | |
| 1044 | void Context::setFramebufferZero(Framebuffer *buffer) |
| 1045 | { |
| 1046 | delete mFramebufferNameSpace.remove(0); |
| 1047 | mFramebufferNameSpace.insert(0, buffer); |
| 1048 | } |
| 1049 | |
| 1050 | void Context::setRenderbufferStorage(RenderbufferStorage *renderbuffer) |
| 1051 | { |
| 1052 | Renderbuffer *renderbufferObject = mState.renderbuffer; |
| 1053 | renderbufferObject->setStorage(renderbuffer); |
| 1054 | } |
| 1055 | |
| 1056 | Framebuffer *Context::getFramebuffer(unsigned int handle) |
| 1057 | { |
| 1058 | return mFramebufferNameSpace.find(handle); |
| 1059 | } |
| 1060 | |
| 1061 | Buffer *Context::getArrayBuffer() |
| 1062 | { |
| 1063 | return mState.arrayBuffer; |
| 1064 | } |
| 1065 | |
| 1066 | Buffer *Context::getElementArrayBuffer() |
| 1067 | { |
| 1068 | return mState.elementArrayBuffer; |
| 1069 | } |
| 1070 | |
| 1071 | Texture2D *Context::getTexture2D() |
| 1072 | { |
| 1073 | return static_cast<Texture2D*>(getSamplerTexture(mState.activeSampler, TEXTURE_2D)); |
| 1074 | } |
| 1075 | |
| 1076 | TextureExternal *Context::getTextureExternal() |
| 1077 | { |
| 1078 | return static_cast<TextureExternal*>(getSamplerTexture(mState.activeSampler, TEXTURE_EXTERNAL)); |
| 1079 | } |
| 1080 | |
| 1081 | Texture *Context::getSamplerTexture(unsigned int sampler, TextureType type) |
| 1082 | { |
| 1083 | GLuint texid = mState.samplerTexture[type][sampler].name(); |
| 1084 | |
| 1085 | if(texid == 0) // Special case: 0 refers to different initial textures based on the target |
| 1086 | { |
| 1087 | switch(type) |
| 1088 | { |
| 1089 | case TEXTURE_2D: return mTexture2DZero; |
| 1090 | case TEXTURE_EXTERNAL: return mTextureExternalZero; |
| 1091 | default: UNREACHABLE(type); |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | return mState.samplerTexture[type][sampler]; |
| 1096 | } |
| 1097 | |
| 1098 | bool Context::getBooleanv(GLenum pname, GLboolean *params) |
| 1099 | { |
| 1100 | switch(pname) |
| 1101 | { |
| 1102 | case GL_SAMPLE_COVERAGE_INVERT: *params = mState.sampleCoverageInvert; break; |
| 1103 | case GL_DEPTH_WRITEMASK: *params = mState.depthMask; break; |
| 1104 | case GL_COLOR_WRITEMASK: |
| 1105 | params[0] = mState.colorMaskRed; |
| 1106 | params[1] = mState.colorMaskGreen; |
| 1107 | params[2] = mState.colorMaskBlue; |
| 1108 | params[3] = mState.colorMaskAlpha; |
| 1109 | break; |
| 1110 | case GL_CULL_FACE: *params = mState.cullFaceEnabled; break; |
| 1111 | case GL_POLYGON_OFFSET_FILL: *params = mState.polygonOffsetFillEnabled; break; |
| 1112 | case GL_SAMPLE_ALPHA_TO_COVERAGE: *params = mState.sampleAlphaToCoverageEnabled; break; |
| 1113 | case GL_SAMPLE_COVERAGE: *params = mState.sampleCoverageEnabled; break; |
| 1114 | case GL_SCISSOR_TEST: *params = mState.scissorTestEnabled; break; |
| 1115 | case GL_STENCIL_TEST: *params = mState.stencilTestEnabled; break; |
| 1116 | case GL_DEPTH_TEST: *params = mState.depthTestEnabled; break; |
| 1117 | case GL_BLEND: *params = mState.blendEnabled; break; |
| 1118 | case GL_DITHER: *params = mState.ditherEnabled; break; |
| 1119 | case GL_LIGHT_MODEL_TWO_SIDE: *params = lightModelTwoSide; break; |
| 1120 | default: |
| 1121 | return false; |
| 1122 | } |
| 1123 | |
| 1124 | return true; |
| 1125 | } |
| 1126 | |
| 1127 | bool Context::getFloatv(GLenum pname, GLfloat *params) |
| 1128 | { |
| 1129 | // Please note: DEPTH_CLEAR_VALUE is included in our internal getFloatv implementation |
| 1130 | // because it is stored as a float, despite the fact that the GL ES 2.0 spec names |
| 1131 | // GetIntegerv as its native query function. As it would require conversion in any |
| 1132 | // case, this should make no difference to the calling application. |
| 1133 | switch(pname) |
| 1134 | { |
| 1135 | case GL_LINE_WIDTH: *params = mState.lineWidth; break; |
| 1136 | case GL_SAMPLE_COVERAGE_VALUE: *params = mState.sampleCoverageValue; break; |
| 1137 | case GL_DEPTH_CLEAR_VALUE: *params = mState.depthClearValue; break; |
| 1138 | case GL_POLYGON_OFFSET_FACTOR: *params = mState.polygonOffsetFactor; break; |
| 1139 | case GL_POLYGON_OFFSET_UNITS: *params = mState.polygonOffsetUnits; break; |
| 1140 | case GL_ALIASED_LINE_WIDTH_RANGE: |
| 1141 | params[0] = ALIASED_LINE_WIDTH_RANGE_MIN; |
| 1142 | params[1] = ALIASED_LINE_WIDTH_RANGE_MAX; |
| 1143 | break; |
| 1144 | case GL_ALIASED_POINT_SIZE_RANGE: |
| 1145 | params[0] = ALIASED_POINT_SIZE_RANGE_MIN; |
| 1146 | params[1] = ALIASED_POINT_SIZE_RANGE_MAX; |
| 1147 | break; |
| 1148 | case GL_SMOOTH_LINE_WIDTH_RANGE: |
| 1149 | params[0] = SMOOTH_LINE_WIDTH_RANGE_MIN; |
| 1150 | params[1] = SMOOTH_LINE_WIDTH_RANGE_MAX; |
| 1151 | break; |
| 1152 | case GL_SMOOTH_POINT_SIZE_RANGE: |
| 1153 | params[0] = SMOOTH_POINT_SIZE_RANGE_MIN; |
| 1154 | params[1] = SMOOTH_POINT_SIZE_RANGE_MAX; |
| 1155 | break; |
| 1156 | case GL_DEPTH_RANGE: |
| 1157 | params[0] = mState.zNear; |
| 1158 | params[1] = mState.zFar; |
| 1159 | break; |
| 1160 | case GL_COLOR_CLEAR_VALUE: |
| 1161 | params[0] = mState.colorClearValue.red; |
| 1162 | params[1] = mState.colorClearValue.green; |
| 1163 | params[2] = mState.colorClearValue.blue; |
| 1164 | params[3] = mState.colorClearValue.alpha; |
| 1165 | break; |
| 1166 | case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT: |
| 1167 | *params = MAX_TEXTURE_MAX_ANISOTROPY; |
| 1168 | break; |
| 1169 | case GL_MODELVIEW_MATRIX: |
| 1170 | for(int i = 0; i < 16; i++) |
| 1171 | { |
| 1172 | params[i] = modelViewStack.current()[i % 4][i / 4]; |
| 1173 | } |
| 1174 | break; |
| 1175 | case GL_PROJECTION_MATRIX: |
| 1176 | for(int i = 0; i < 16; i++) |
| 1177 | { |
| 1178 | params[i] = projectionStack.current()[i % 4][i / 4]; |
| 1179 | } |
| 1180 | break; |
Nicolas Capens | 59dca94 | 2017-04-13 13:35:09 -0400 | [diff] [blame] | 1181 | case GL_CURRENT_COLOR: |
| 1182 | for(int i = 0; i < 4; i++) |
| 1183 | { |
| 1184 | params[i] = mState.vertexAttribute[sw::Color0].mCurrentValue[i]; |
| 1185 | } |
| 1186 | break; |
| 1187 | case GL_CURRENT_NORMAL: |
| 1188 | for(int i = 0; i < 3; i++) |
| 1189 | { |
| 1190 | params[i] = mState.vertexAttribute[sw::Normal].mCurrentValue[i]; |
| 1191 | } |
| 1192 | break; |
| 1193 | case GL_CURRENT_TEXTURE_COORDS: |
| 1194 | for(int i = 0; i < 4; i++) |
| 1195 | { |
| 1196 | params[i] = mState.vertexAttribute[sw::TexCoord0].mCurrentValue[i]; |
| 1197 | } |
| 1198 | break; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1199 | default: |
| 1200 | return false; |
| 1201 | } |
| 1202 | |
| 1203 | return true; |
| 1204 | } |
| 1205 | |
| 1206 | bool Context::getIntegerv(GLenum pname, GLint *params) |
| 1207 | { |
| 1208 | // Please note: DEPTH_CLEAR_VALUE is not included in our internal getIntegerv implementation |
| 1209 | // because it is stored as a float, despite the fact that the GL ES 2.0 spec names |
| 1210 | // GetIntegerv as its native query function. As it would require conversion in any |
| 1211 | // case, this should make no difference to the calling application. You may find it in |
| 1212 | // Context::getFloatv. |
| 1213 | switch(pname) |
| 1214 | { |
| 1215 | case GL_ARRAY_BUFFER_BINDING: *params = mState.arrayBuffer.name(); break; |
| 1216 | case GL_ELEMENT_ARRAY_BUFFER_BINDING: *params = mState.elementArrayBuffer.name(); break; |
| 1217 | case GL_FRAMEBUFFER_BINDING_OES: *params = mState.framebuffer; break; |
| 1218 | case GL_RENDERBUFFER_BINDING_OES: *params = mState.renderbuffer.name(); break; |
| 1219 | case GL_PACK_ALIGNMENT: *params = mState.packAlignment; break; |
| 1220 | case GL_UNPACK_ALIGNMENT: *params = mState.unpackAlignment; break; |
| 1221 | case GL_GENERATE_MIPMAP_HINT: *params = mState.generateMipmapHint; break; |
| 1222 | case GL_PERSPECTIVE_CORRECTION_HINT: *params = mState.perspectiveCorrectionHint; break; |
| 1223 | case GL_ACTIVE_TEXTURE: *params = (mState.activeSampler + GL_TEXTURE0); break; |
| 1224 | case GL_STENCIL_FUNC: *params = mState.stencilFunc; break; |
| 1225 | case GL_STENCIL_REF: *params = mState.stencilRef; break; |
| 1226 | case GL_STENCIL_VALUE_MASK: *params = mState.stencilMask; break; |
| 1227 | case GL_STENCIL_FAIL: *params = mState.stencilFail; break; |
| 1228 | case GL_STENCIL_PASS_DEPTH_FAIL: *params = mState.stencilPassDepthFail; break; |
| 1229 | case GL_STENCIL_PASS_DEPTH_PASS: *params = mState.stencilPassDepthPass; break; |
| 1230 | case GL_DEPTH_FUNC: *params = mState.depthFunc; break; |
| 1231 | case GL_BLEND_SRC_RGB_OES: *params = mState.sourceBlendRGB; break; |
| 1232 | case GL_BLEND_SRC_ALPHA_OES: *params = mState.sourceBlendAlpha; break; |
| 1233 | case GL_BLEND_DST_RGB_OES: *params = mState.destBlendRGB; break; |
| 1234 | case GL_BLEND_DST_ALPHA_OES: *params = mState.destBlendAlpha; break; |
| 1235 | case GL_BLEND_EQUATION_RGB_OES: *params = mState.blendEquationRGB; break; |
| 1236 | case GL_BLEND_EQUATION_ALPHA_OES: *params = mState.blendEquationAlpha; break; |
| 1237 | case GL_STENCIL_WRITEMASK: *params = mState.stencilWritemask; break; |
| 1238 | case GL_STENCIL_CLEAR_VALUE: *params = mState.stencilClearValue; break; |
| 1239 | case GL_SUBPIXEL_BITS: *params = 4; break; |
| 1240 | case GL_MAX_TEXTURE_SIZE: *params = IMPLEMENTATION_MAX_TEXTURE_SIZE; break; |
| 1241 | case GL_NUM_COMPRESSED_TEXTURE_FORMATS: *params = NUM_COMPRESSED_TEXTURE_FORMATS; break; |
| 1242 | case GL_SAMPLE_BUFFERS: |
| 1243 | case GL_SAMPLES: |
| 1244 | { |
| 1245 | Framebuffer *framebuffer = getFramebuffer(); |
| 1246 | int width, height, samples; |
| 1247 | |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 1248 | if(framebuffer && (framebuffer->completeness(width, height, samples) == GL_FRAMEBUFFER_COMPLETE_OES)) |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1249 | { |
| 1250 | switch(pname) |
| 1251 | { |
| 1252 | case GL_SAMPLE_BUFFERS: |
| 1253 | if(samples > 1) |
| 1254 | { |
| 1255 | *params = 1; |
| 1256 | } |
| 1257 | else |
| 1258 | { |
| 1259 | *params = 0; |
| 1260 | } |
| 1261 | break; |
| 1262 | case GL_SAMPLES: |
| 1263 | *params = samples; |
| 1264 | break; |
| 1265 | } |
| 1266 | } |
| 1267 | else |
| 1268 | { |
| 1269 | *params = 0; |
| 1270 | } |
| 1271 | } |
| 1272 | break; |
| 1273 | case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES: |
| 1274 | { |
| 1275 | Framebuffer *framebuffer = getFramebuffer(); |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 1276 | if(framebuffer) |
| 1277 | { |
| 1278 | *params = framebuffer->getImplementationColorReadType(); |
| 1279 | } |
| 1280 | else |
| 1281 | { |
| 1282 | return error(GL_INVALID_OPERATION, true); |
| 1283 | } |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1284 | } |
| 1285 | break; |
| 1286 | case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES: |
| 1287 | { |
| 1288 | Framebuffer *framebuffer = getFramebuffer(); |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 1289 | if(framebuffer) |
| 1290 | { |
| 1291 | *params = framebuffer->getImplementationColorReadFormat(); |
| 1292 | } |
| 1293 | else |
| 1294 | { |
| 1295 | return error(GL_INVALID_OPERATION, true); |
| 1296 | } |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1297 | } |
| 1298 | break; |
| 1299 | case GL_MAX_VIEWPORT_DIMS: |
| 1300 | { |
| 1301 | int maxDimension = IMPLEMENTATION_MAX_RENDERBUFFER_SIZE; |
| 1302 | params[0] = maxDimension; |
| 1303 | params[1] = maxDimension; |
| 1304 | } |
| 1305 | break; |
| 1306 | case GL_COMPRESSED_TEXTURE_FORMATS: |
| 1307 | { |
| 1308 | for(int i = 0; i < NUM_COMPRESSED_TEXTURE_FORMATS; i++) |
| 1309 | { |
| 1310 | params[i] = compressedTextureFormats[i]; |
| 1311 | } |
| 1312 | } |
| 1313 | break; |
| 1314 | case GL_VIEWPORT: |
| 1315 | params[0] = mState.viewportX; |
| 1316 | params[1] = mState.viewportY; |
| 1317 | params[2] = mState.viewportWidth; |
| 1318 | params[3] = mState.viewportHeight; |
| 1319 | break; |
| 1320 | case GL_SCISSOR_BOX: |
| 1321 | params[0] = mState.scissorX; |
| 1322 | params[1] = mState.scissorY; |
| 1323 | params[2] = mState.scissorWidth; |
| 1324 | params[3] = mState.scissorHeight; |
| 1325 | break; |
| 1326 | case GL_CULL_FACE_MODE: *params = mState.cullMode; break; |
| 1327 | case GL_FRONT_FACE: *params = mState.frontFace; break; |
| 1328 | case GL_RED_BITS: |
| 1329 | case GL_GREEN_BITS: |
| 1330 | case GL_BLUE_BITS: |
| 1331 | case GL_ALPHA_BITS: |
| 1332 | { |
| 1333 | Framebuffer *framebuffer = getFramebuffer(); |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 1334 | Renderbuffer *colorbuffer = framebuffer ? framebuffer->getColorbuffer() : nullptr; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1335 | |
| 1336 | if(colorbuffer) |
| 1337 | { |
| 1338 | switch(pname) |
| 1339 | { |
| 1340 | case GL_RED_BITS: *params = colorbuffer->getRedSize(); break; |
| 1341 | case GL_GREEN_BITS: *params = colorbuffer->getGreenSize(); break; |
| 1342 | case GL_BLUE_BITS: *params = colorbuffer->getBlueSize(); break; |
| 1343 | case GL_ALPHA_BITS: *params = colorbuffer->getAlphaSize(); break; |
| 1344 | } |
| 1345 | } |
| 1346 | else |
| 1347 | { |
| 1348 | *params = 0; |
| 1349 | } |
| 1350 | } |
| 1351 | break; |
| 1352 | case GL_DEPTH_BITS: |
| 1353 | { |
| 1354 | Framebuffer *framebuffer = getFramebuffer(); |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 1355 | Renderbuffer *depthbuffer = framebuffer ? framebuffer->getDepthbuffer() : nullptr; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1356 | |
| 1357 | if(depthbuffer) |
| 1358 | { |
| 1359 | *params = depthbuffer->getDepthSize(); |
| 1360 | } |
| 1361 | else |
| 1362 | { |
| 1363 | *params = 0; |
| 1364 | } |
| 1365 | } |
| 1366 | break; |
| 1367 | case GL_STENCIL_BITS: |
| 1368 | { |
| 1369 | Framebuffer *framebuffer = getFramebuffer(); |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 1370 | Renderbuffer *stencilbuffer = framebuffer ? framebuffer->getStencilbuffer() : nullptr; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1371 | |
| 1372 | if(stencilbuffer) |
| 1373 | { |
| 1374 | *params = stencilbuffer->getStencilSize(); |
| 1375 | } |
| 1376 | else |
| 1377 | { |
| 1378 | *params = 0; |
| 1379 | } |
| 1380 | } |
| 1381 | break; |
| 1382 | case GL_TEXTURE_BINDING_2D: *params = mState.samplerTexture[TEXTURE_2D][mState.activeSampler].name(); break; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1383 | case GL_TEXTURE_BINDING_EXTERNAL_OES: *params = mState.samplerTexture[TEXTURE_EXTERNAL][mState.activeSampler].name(); break; |
| 1384 | case GL_MAX_LIGHTS: *params = MAX_LIGHTS; break; |
| 1385 | case GL_MAX_MODELVIEW_STACK_DEPTH: *params = MAX_MODELVIEW_STACK_DEPTH; break; |
| 1386 | case GL_MAX_PROJECTION_STACK_DEPTH: *params = MAX_PROJECTION_STACK_DEPTH; break; |
| 1387 | case GL_MAX_TEXTURE_STACK_DEPTH: *params = MAX_TEXTURE_STACK_DEPTH; break; |
| 1388 | case GL_MAX_TEXTURE_UNITS: *params = MAX_TEXTURE_UNITS; break; |
| 1389 | case GL_MAX_CLIP_PLANES: *params = MAX_CLIP_PLANES; break; |
| 1390 | case GL_POINT_SIZE_ARRAY_TYPE_OES: *params = mState.vertexAttribute[sw::PointSize].mType; break; |
| 1391 | case GL_POINT_SIZE_ARRAY_STRIDE_OES: *params = mState.vertexAttribute[sw::PointSize].mStride; break; |
| 1392 | case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES: *params = mState.vertexAttribute[sw::PointSize].mBoundBuffer.name(); break; |
| 1393 | case GL_VERTEX_ARRAY_SIZE: *params = mState.vertexAttribute[sw::Position].mSize; break; |
| 1394 | case GL_VERTEX_ARRAY_TYPE: *params = mState.vertexAttribute[sw::Position].mType; break; |
| 1395 | case GL_VERTEX_ARRAY_STRIDE: *params = mState.vertexAttribute[sw::Position].mStride; break; |
| 1396 | case GL_VERTEX_ARRAY_BUFFER_BINDING: *params = mState.vertexAttribute[sw::Position].mBoundBuffer.name(); break; |
| 1397 | case GL_NORMAL_ARRAY_TYPE: *params = mState.vertexAttribute[sw::Normal].mType; break; |
| 1398 | case GL_NORMAL_ARRAY_STRIDE: *params = mState.vertexAttribute[sw::Normal].mStride; break; |
| 1399 | case GL_NORMAL_ARRAY_BUFFER_BINDING: *params = mState.vertexAttribute[sw::Normal].mBoundBuffer.name(); break; |
| 1400 | case GL_COLOR_ARRAY_SIZE: *params = mState.vertexAttribute[sw::Color0].mSize; break; |
| 1401 | case GL_COLOR_ARRAY_TYPE: *params = mState.vertexAttribute[sw::Color0].mType; break; |
| 1402 | case GL_COLOR_ARRAY_STRIDE: *params = mState.vertexAttribute[sw::Color0].mStride; break; |
| 1403 | case GL_COLOR_ARRAY_BUFFER_BINDING: *params = mState.vertexAttribute[sw::Color0].mBoundBuffer.name(); break; |
| 1404 | case GL_TEXTURE_COORD_ARRAY_SIZE: *params = mState.vertexAttribute[sw::TexCoord0 + mState.activeSampler].mSize; break; |
| 1405 | case GL_TEXTURE_COORD_ARRAY_TYPE: *params = mState.vertexAttribute[sw::TexCoord0 + mState.activeSampler].mType; break; |
| 1406 | case GL_TEXTURE_COORD_ARRAY_STRIDE: *params = mState.vertexAttribute[sw::TexCoord0 + mState.activeSampler].mStride; break; |
| 1407 | case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING: *params = mState.vertexAttribute[sw::TexCoord0 + mState.activeSampler].mBoundBuffer.name(); break; |
| 1408 | default: |
| 1409 | return false; |
| 1410 | } |
| 1411 | |
| 1412 | return true; |
| 1413 | } |
| 1414 | |
| 1415 | bool Context::getPointerv(GLenum pname, const GLvoid **params) |
| 1416 | { |
| 1417 | switch(pname) |
| 1418 | { |
| 1419 | case GL_VERTEX_ARRAY_POINTER: *params = mState.vertexAttribute[sw::Position].mPointer; break; |
| 1420 | case GL_NORMAL_ARRAY_POINTER: *params = mState.vertexAttribute[sw::Normal].mPointer; break; |
| 1421 | case GL_COLOR_ARRAY_POINTER: *params = mState.vertexAttribute[sw::Color0].mPointer; break; |
| 1422 | case GL_POINT_SIZE_ARRAY_POINTER_OES: *params = mState.vertexAttribute[sw::PointSize].mPointer; break; |
| 1423 | case GL_TEXTURE_COORD_ARRAY_POINTER: *params = mState.vertexAttribute[sw::TexCoord0 + mState.activeSampler].mPointer; break; |
| 1424 | default: |
| 1425 | return false; |
| 1426 | } |
| 1427 | |
| 1428 | return true; |
| 1429 | } |
| 1430 | |
| 1431 | int Context::getQueryParameterNum(GLenum pname) |
| 1432 | { |
| 1433 | // Please note: the query type returned for DEPTH_CLEAR_VALUE in this implementation |
| 1434 | // is FLOAT rather than INT, as would be suggested by the GL ES 2.0 spec. This is due |
| 1435 | // to the fact that it is stored internally as a float, and so would require conversion |
| 1436 | // if returned from Context::getIntegerv. Since this conversion is already implemented |
| 1437 | // in the case that one calls glGetIntegerv to retrieve a float-typed state variable, we |
| 1438 | // place DEPTH_CLEAR_VALUE with the floats. This should make no difference to the calling |
| 1439 | // application. |
| 1440 | switch(pname) |
| 1441 | { |
| 1442 | case GL_COMPRESSED_TEXTURE_FORMATS: |
| 1443 | return NUM_COMPRESSED_TEXTURE_FORMATS; |
| 1444 | case GL_NUM_COMPRESSED_TEXTURE_FORMATS: |
| 1445 | case GL_ARRAY_BUFFER_BINDING: |
| 1446 | case GL_FRAMEBUFFER_BINDING_OES: |
| 1447 | case GL_RENDERBUFFER_BINDING_OES: |
| 1448 | case GL_PACK_ALIGNMENT: |
| 1449 | case GL_UNPACK_ALIGNMENT: |
| 1450 | case GL_GENERATE_MIPMAP_HINT: |
| 1451 | case GL_RED_BITS: |
| 1452 | case GL_GREEN_BITS: |
| 1453 | case GL_BLUE_BITS: |
| 1454 | case GL_ALPHA_BITS: |
| 1455 | case GL_DEPTH_BITS: |
| 1456 | case GL_STENCIL_BITS: |
| 1457 | case GL_ELEMENT_ARRAY_BUFFER_BINDING: |
| 1458 | case GL_CULL_FACE_MODE: |
| 1459 | case GL_FRONT_FACE: |
| 1460 | case GL_ACTIVE_TEXTURE: |
| 1461 | case GL_STENCIL_FUNC: |
| 1462 | case GL_STENCIL_VALUE_MASK: |
| 1463 | case GL_STENCIL_REF: |
| 1464 | case GL_STENCIL_FAIL: |
| 1465 | case GL_STENCIL_PASS_DEPTH_FAIL: |
| 1466 | case GL_STENCIL_PASS_DEPTH_PASS: |
| 1467 | case GL_DEPTH_FUNC: |
| 1468 | case GL_BLEND_SRC_RGB_OES: |
| 1469 | case GL_BLEND_SRC_ALPHA_OES: |
| 1470 | case GL_BLEND_DST_RGB_OES: |
| 1471 | case GL_BLEND_DST_ALPHA_OES: |
| 1472 | case GL_BLEND_EQUATION_RGB_OES: |
| 1473 | case GL_BLEND_EQUATION_ALPHA_OES: |
| 1474 | case GL_STENCIL_WRITEMASK: |
| 1475 | case GL_STENCIL_CLEAR_VALUE: |
| 1476 | case GL_SUBPIXEL_BITS: |
| 1477 | case GL_MAX_TEXTURE_SIZE: |
| 1478 | case GL_MAX_CUBE_MAP_TEXTURE_SIZE_OES: |
| 1479 | case GL_SAMPLE_BUFFERS: |
| 1480 | case GL_SAMPLES: |
| 1481 | case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES: |
| 1482 | case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES: |
| 1483 | case GL_TEXTURE_BINDING_2D: |
| 1484 | case GL_TEXTURE_BINDING_CUBE_MAP_OES: |
| 1485 | case GL_TEXTURE_BINDING_EXTERNAL_OES: |
| 1486 | return 1; |
| 1487 | case GL_MAX_VIEWPORT_DIMS: |
| 1488 | return 2; |
| 1489 | case GL_VIEWPORT: |
| 1490 | case GL_SCISSOR_BOX: |
| 1491 | return 4; |
| 1492 | case GL_SAMPLE_COVERAGE_INVERT: |
| 1493 | case GL_DEPTH_WRITEMASK: |
| 1494 | case GL_CULL_FACE: // CULL_FACE through DITHER are natural to IsEnabled, |
| 1495 | case GL_POLYGON_OFFSET_FILL: // but can be retrieved through the Get{Type}v queries. |
| 1496 | case GL_SAMPLE_ALPHA_TO_COVERAGE: // For this purpose, they are treated here as bool-natural |
| 1497 | case GL_SAMPLE_COVERAGE: |
| 1498 | case GL_SCISSOR_TEST: |
| 1499 | case GL_STENCIL_TEST: |
| 1500 | case GL_DEPTH_TEST: |
| 1501 | case GL_BLEND: |
| 1502 | case GL_DITHER: |
| 1503 | return 1; |
| 1504 | case GL_COLOR_WRITEMASK: |
| 1505 | return 4; |
| 1506 | case GL_POLYGON_OFFSET_FACTOR: |
| 1507 | case GL_POLYGON_OFFSET_UNITS: |
| 1508 | case GL_SAMPLE_COVERAGE_VALUE: |
| 1509 | case GL_DEPTH_CLEAR_VALUE: |
| 1510 | case GL_LINE_WIDTH: |
| 1511 | return 1; |
| 1512 | case GL_ALIASED_LINE_WIDTH_RANGE: |
| 1513 | case GL_ALIASED_POINT_SIZE_RANGE: |
| 1514 | case GL_DEPTH_RANGE: |
| 1515 | return 2; |
| 1516 | case GL_COLOR_CLEAR_VALUE: |
| 1517 | return 4; |
| 1518 | case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT: |
| 1519 | case GL_MAX_LIGHTS: |
| 1520 | case GL_MAX_MODELVIEW_STACK_DEPTH: |
| 1521 | case GL_MAX_PROJECTION_STACK_DEPTH: |
| 1522 | case GL_MAX_TEXTURE_STACK_DEPTH: |
| 1523 | case GL_MAX_TEXTURE_UNITS: |
| 1524 | case GL_MAX_CLIP_PLANES: |
| 1525 | case GL_POINT_SIZE_ARRAY_TYPE_OES: |
| 1526 | case GL_POINT_SIZE_ARRAY_STRIDE_OES: |
| 1527 | case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES: |
| 1528 | return 1; |
| 1529 | case GL_CURRENT_COLOR: |
| 1530 | return 4; |
| 1531 | case GL_CURRENT_NORMAL: |
| 1532 | return 3; |
| 1533 | case GL_CURRENT_TEXTURE_COORDS: |
| 1534 | return 4; |
| 1535 | case GL_POINT_SIZE: |
| 1536 | case GL_POINT_SIZE_MIN: |
| 1537 | case GL_POINT_SIZE_MAX: |
| 1538 | case GL_POINT_FADE_THRESHOLD_SIZE: |
| 1539 | return 1; |
| 1540 | case GL_POINT_DISTANCE_ATTENUATION: |
| 1541 | return 3; |
| 1542 | case GL_SMOOTH_POINT_SIZE_RANGE: |
| 1543 | case GL_SMOOTH_LINE_WIDTH_RANGE: |
| 1544 | return 2; |
| 1545 | case GL_SHADE_MODEL: |
| 1546 | case GL_MATRIX_MODE: |
| 1547 | case GL_MODELVIEW_STACK_DEPTH: |
| 1548 | case GL_PROJECTION_STACK_DEPTH: |
| 1549 | case GL_TEXTURE_STACK_DEPTH: |
| 1550 | return 1; |
| 1551 | case GL_MODELVIEW_MATRIX: |
| 1552 | case GL_PROJECTION_MATRIX: |
| 1553 | case GL_TEXTURE_MATRIX: |
| 1554 | return 16; |
| 1555 | case GL_ALPHA_TEST_FUNC: |
| 1556 | case GL_ALPHA_TEST_REF: |
| 1557 | case GL_BLEND_DST: |
| 1558 | case GL_BLEND_SRC: |
| 1559 | case GL_LOGIC_OP_MODE: |
| 1560 | case GL_VERTEX_ARRAY_SIZE: |
| 1561 | case GL_VERTEX_ARRAY_TYPE: |
| 1562 | case GL_VERTEX_ARRAY_STRIDE: |
| 1563 | case GL_NORMAL_ARRAY_TYPE: |
| 1564 | case GL_NORMAL_ARRAY_STRIDE: |
| 1565 | case GL_COLOR_ARRAY_SIZE: |
| 1566 | case GL_COLOR_ARRAY_TYPE: |
| 1567 | case GL_COLOR_ARRAY_STRIDE: |
| 1568 | case GL_TEXTURE_COORD_ARRAY_SIZE: |
| 1569 | case GL_TEXTURE_COORD_ARRAY_TYPE: |
| 1570 | case GL_TEXTURE_COORD_ARRAY_STRIDE: |
| 1571 | case GL_VERTEX_ARRAY_POINTER: |
| 1572 | case GL_NORMAL_ARRAY_POINTER: |
| 1573 | case GL_COLOR_ARRAY_POINTER: |
| 1574 | case GL_TEXTURE_COORD_ARRAY_POINTER: |
| 1575 | case GL_LIGHT_MODEL_TWO_SIDE: |
| 1576 | return 1; |
| 1577 | default: |
| 1578 | UNREACHABLE(pname); |
| 1579 | } |
| 1580 | |
| 1581 | return -1; |
| 1582 | } |
| 1583 | |
| 1584 | bool Context::isQueryParameterInt(GLenum pname) |
| 1585 | { |
| 1586 | // Please note: the query type returned for DEPTH_CLEAR_VALUE in this implementation |
| 1587 | // is FLOAT rather than INT, as would be suggested by the GL ES 2.0 spec. This is due |
| 1588 | // to the fact that it is stored internally as a float, and so would require conversion |
| 1589 | // if returned from Context::getIntegerv. Since this conversion is already implemented |
| 1590 | // in the case that one calls glGetIntegerv to retrieve a float-typed state variable, we |
| 1591 | // place DEPTH_CLEAR_VALUE with the floats. This should make no difference to the calling |
| 1592 | // application. |
| 1593 | switch(pname) |
| 1594 | { |
| 1595 | case GL_COMPRESSED_TEXTURE_FORMATS: |
| 1596 | case GL_NUM_COMPRESSED_TEXTURE_FORMATS: |
| 1597 | case GL_ARRAY_BUFFER_BINDING: |
| 1598 | case GL_FRAMEBUFFER_BINDING_OES: |
| 1599 | case GL_RENDERBUFFER_BINDING_OES: |
| 1600 | case GL_PACK_ALIGNMENT: |
| 1601 | case GL_UNPACK_ALIGNMENT: |
| 1602 | case GL_GENERATE_MIPMAP_HINT: |
| 1603 | case GL_RED_BITS: |
| 1604 | case GL_GREEN_BITS: |
| 1605 | case GL_BLUE_BITS: |
| 1606 | case GL_ALPHA_BITS: |
| 1607 | case GL_DEPTH_BITS: |
| 1608 | case GL_STENCIL_BITS: |
| 1609 | case GL_ELEMENT_ARRAY_BUFFER_BINDING: |
| 1610 | case GL_CULL_FACE_MODE: |
| 1611 | case GL_FRONT_FACE: |
| 1612 | case GL_ACTIVE_TEXTURE: |
| 1613 | case GL_STENCIL_FUNC: |
| 1614 | case GL_STENCIL_VALUE_MASK: |
| 1615 | case GL_STENCIL_REF: |
| 1616 | case GL_STENCIL_FAIL: |
| 1617 | case GL_STENCIL_PASS_DEPTH_FAIL: |
| 1618 | case GL_STENCIL_PASS_DEPTH_PASS: |
| 1619 | case GL_DEPTH_FUNC: |
| 1620 | case GL_BLEND_SRC_RGB_OES: |
| 1621 | case GL_BLEND_SRC_ALPHA_OES: |
| 1622 | case GL_BLEND_DST_RGB_OES: |
| 1623 | case GL_BLEND_DST_ALPHA_OES: |
| 1624 | case GL_BLEND_EQUATION_RGB_OES: |
| 1625 | case GL_BLEND_EQUATION_ALPHA_OES: |
| 1626 | case GL_STENCIL_WRITEMASK: |
| 1627 | case GL_STENCIL_CLEAR_VALUE: |
| 1628 | case GL_SUBPIXEL_BITS: |
| 1629 | case GL_MAX_TEXTURE_SIZE: |
| 1630 | case GL_MAX_CUBE_MAP_TEXTURE_SIZE_OES: |
| 1631 | case GL_SAMPLE_BUFFERS: |
| 1632 | case GL_SAMPLES: |
| 1633 | case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES: |
| 1634 | case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES: |
| 1635 | case GL_TEXTURE_BINDING_2D: |
| 1636 | case GL_TEXTURE_BINDING_CUBE_MAP_OES: |
| 1637 | case GL_TEXTURE_BINDING_EXTERNAL_OES: |
| 1638 | case GL_MAX_VIEWPORT_DIMS: |
| 1639 | case GL_VIEWPORT: |
| 1640 | case GL_SCISSOR_BOX: |
| 1641 | case GL_MAX_LIGHTS: |
| 1642 | case GL_MAX_MODELVIEW_STACK_DEPTH: |
| 1643 | case GL_MAX_PROJECTION_STACK_DEPTH: |
| 1644 | case GL_MAX_TEXTURE_STACK_DEPTH: |
| 1645 | case GL_MAX_TEXTURE_UNITS: |
| 1646 | case GL_MAX_CLIP_PLANES: |
| 1647 | case GL_POINT_SIZE_ARRAY_TYPE_OES: |
| 1648 | case GL_POINT_SIZE_ARRAY_STRIDE_OES: |
| 1649 | case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES: |
| 1650 | return true; |
| 1651 | } |
| 1652 | |
| 1653 | return false; |
| 1654 | } |
| 1655 | |
| 1656 | bool Context::isQueryParameterFloat(GLenum pname) |
| 1657 | { |
| 1658 | // Please note: the query type returned for DEPTH_CLEAR_VALUE in this implementation |
| 1659 | // is FLOAT rather than INT, as would be suggested by the GL ES 2.0 spec. This is due |
| 1660 | // to the fact that it is stored internally as a float, and so would require conversion |
| 1661 | // if returned from Context::getIntegerv. Since this conversion is already implemented |
| 1662 | // in the case that one calls glGetIntegerv to retrieve a float-typed state variable, we |
| 1663 | // place DEPTH_CLEAR_VALUE with the floats. This should make no difference to the calling |
| 1664 | // application. |
| 1665 | switch(pname) |
| 1666 | { |
| 1667 | case GL_POLYGON_OFFSET_FACTOR: |
| 1668 | case GL_POLYGON_OFFSET_UNITS: |
| 1669 | case GL_SAMPLE_COVERAGE_VALUE: |
| 1670 | case GL_DEPTH_CLEAR_VALUE: |
| 1671 | case GL_LINE_WIDTH: |
| 1672 | case GL_ALIASED_LINE_WIDTH_RANGE: |
| 1673 | case GL_ALIASED_POINT_SIZE_RANGE: |
| 1674 | case GL_SMOOTH_LINE_WIDTH_RANGE: |
| 1675 | case GL_SMOOTH_POINT_SIZE_RANGE: |
| 1676 | case GL_DEPTH_RANGE: |
| 1677 | case GL_COLOR_CLEAR_VALUE: |
| 1678 | case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT: |
| 1679 | case GL_LIGHT_MODEL_AMBIENT: |
| 1680 | case GL_POINT_SIZE_MIN: |
| 1681 | case GL_POINT_SIZE_MAX: |
| 1682 | case GL_POINT_DISTANCE_ATTENUATION: |
| 1683 | case GL_POINT_FADE_THRESHOLD_SIZE: |
| 1684 | return true; |
| 1685 | } |
| 1686 | |
| 1687 | return false; |
| 1688 | } |
| 1689 | |
| 1690 | bool Context::isQueryParameterBool(GLenum pname) |
| 1691 | { |
| 1692 | switch(pname) |
| 1693 | { |
| 1694 | case GL_SAMPLE_COVERAGE_INVERT: |
| 1695 | case GL_DEPTH_WRITEMASK: |
| 1696 | case GL_CULL_FACE: // CULL_FACE through DITHER are natural to IsEnabled, |
| 1697 | case GL_POLYGON_OFFSET_FILL: // but can be retrieved through the Get{Type}v queries. |
| 1698 | case GL_SAMPLE_ALPHA_TO_COVERAGE: // For this purpose, they are treated here as bool-natural |
| 1699 | case GL_SAMPLE_COVERAGE: |
| 1700 | case GL_SCISSOR_TEST: |
| 1701 | case GL_STENCIL_TEST: |
| 1702 | case GL_DEPTH_TEST: |
| 1703 | case GL_BLEND: |
| 1704 | case GL_DITHER: |
| 1705 | case GL_COLOR_WRITEMASK: |
| 1706 | case GL_LIGHT_MODEL_TWO_SIDE: |
| 1707 | return true; |
| 1708 | } |
| 1709 | |
| 1710 | return false; |
| 1711 | } |
| 1712 | |
| 1713 | bool Context::isQueryParameterPointer(GLenum pname) |
| 1714 | { |
| 1715 | switch(pname) |
| 1716 | { |
| 1717 | case GL_VERTEX_ARRAY_POINTER: |
| 1718 | case GL_NORMAL_ARRAY_POINTER: |
| 1719 | case GL_COLOR_ARRAY_POINTER: |
| 1720 | case GL_TEXTURE_COORD_ARRAY_POINTER: |
| 1721 | case GL_POINT_SIZE_ARRAY_POINTER_OES: |
| 1722 | return true; |
| 1723 | } |
| 1724 | |
| 1725 | return false; |
| 1726 | } |
| 1727 | |
| 1728 | // Applies the render target surface, depth stencil surface, viewport rectangle and scissor rectangle |
| 1729 | bool Context::applyRenderTarget() |
| 1730 | { |
| 1731 | Framebuffer *framebuffer = getFramebuffer(); |
| 1732 | int width, height, samples; |
| 1733 | |
| 1734 | if(!framebuffer || framebuffer->completeness(width, height, samples) != GL_FRAMEBUFFER_COMPLETE_OES) |
| 1735 | { |
| 1736 | return error(GL_INVALID_FRAMEBUFFER_OPERATION_OES, false); |
| 1737 | } |
| 1738 | |
| 1739 | egl::Image *renderTarget = framebuffer->getRenderTarget(); |
| 1740 | device->setRenderTarget(0, renderTarget); |
| 1741 | if(renderTarget) renderTarget->release(); |
| 1742 | |
| 1743 | egl::Image *depthBuffer = framebuffer->getDepthBuffer(); |
| 1744 | device->setDepthBuffer(depthBuffer); |
| 1745 | if(depthBuffer) depthBuffer->release(); |
| 1746 | |
| 1747 | egl::Image *stencilBuffer = framebuffer->getStencilBuffer(); |
| 1748 | device->setStencilBuffer(stencilBuffer); |
| 1749 | if(stencilBuffer) stencilBuffer->release(); |
| 1750 | |
| 1751 | Viewport viewport; |
| 1752 | float zNear = clamp01(mState.zNear); |
| 1753 | float zFar = clamp01(mState.zFar); |
| 1754 | |
| 1755 | viewport.x0 = mState.viewportX; |
| 1756 | viewport.y0 = mState.viewportY; |
| 1757 | viewport.width = mState.viewportWidth; |
| 1758 | viewport.height = mState.viewportHeight; |
| 1759 | viewport.minZ = zNear; |
| 1760 | viewport.maxZ = zFar; |
| 1761 | |
| 1762 | device->setViewport(viewport); |
| 1763 | |
| 1764 | if(mState.scissorTestEnabled) |
| 1765 | { |
| 1766 | sw::Rect scissor = {mState.scissorX, mState.scissorY, mState.scissorX + mState.scissorWidth, mState.scissorY + mState.scissorHeight}; |
| 1767 | scissor.clip(0, 0, width, height); |
| 1768 | |
| 1769 | device->setScissorRect(scissor); |
| 1770 | device->setScissorEnable(true); |
| 1771 | } |
| 1772 | else |
| 1773 | { |
| 1774 | device->setScissorEnable(false); |
| 1775 | } |
| 1776 | |
| 1777 | return true; |
| 1778 | } |
| 1779 | |
| 1780 | // Applies the fixed-function state (culling, depth test, alpha blending, stenciling, etc) |
| 1781 | void Context::applyState(GLenum drawMode) |
| 1782 | { |
| 1783 | Framebuffer *framebuffer = getFramebuffer(); |
Nicolas Capens | dd4c863 | 2018-07-31 15:33:28 -0400 | [diff] [blame] | 1784 | bool frontFaceCCW = (mState.frontFace == GL_CCW); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1785 | |
| 1786 | if(mState.cullFaceEnabled) |
| 1787 | { |
Nicolas Capens | dd4c863 | 2018-07-31 15:33:28 -0400 | [diff] [blame] | 1788 | device->setCullMode(es2sw::ConvertCullMode(mState.cullMode, mState.frontFace), frontFaceCCW); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1789 | } |
| 1790 | else |
| 1791 | { |
Nicolas Capens | dd4c863 | 2018-07-31 15:33:28 -0400 | [diff] [blame] | 1792 | device->setCullMode(sw::CULL_NONE, frontFaceCCW); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1793 | } |
| 1794 | |
| 1795 | if(mDepthStateDirty) |
| 1796 | { |
| 1797 | if(mState.depthTestEnabled) |
| 1798 | { |
| 1799 | device->setDepthBufferEnable(true); |
| 1800 | device->setDepthCompare(es2sw::ConvertDepthComparison(mState.depthFunc)); |
| 1801 | } |
| 1802 | else |
| 1803 | { |
| 1804 | device->setDepthBufferEnable(false); |
| 1805 | } |
| 1806 | |
| 1807 | mDepthStateDirty = false; |
| 1808 | } |
| 1809 | |
| 1810 | if(mBlendStateDirty) |
| 1811 | { |
| 1812 | if(mState.blendEnabled) |
| 1813 | { |
| 1814 | device->setAlphaBlendEnable(true); |
| 1815 | device->setSeparateAlphaBlendEnable(true); |
| 1816 | |
| 1817 | device->setSourceBlendFactor(es2sw::ConvertBlendFunc(mState.sourceBlendRGB)); |
| 1818 | device->setDestBlendFactor(es2sw::ConvertBlendFunc(mState.destBlendRGB)); |
| 1819 | device->setBlendOperation(es2sw::ConvertBlendOp(mState.blendEquationRGB)); |
| 1820 | |
| 1821 | device->setSourceBlendFactorAlpha(es2sw::ConvertBlendFunc(mState.sourceBlendAlpha)); |
| 1822 | device->setDestBlendFactorAlpha(es2sw::ConvertBlendFunc(mState.destBlendAlpha)); |
| 1823 | device->setBlendOperationAlpha(es2sw::ConvertBlendOp(mState.blendEquationAlpha)); |
| 1824 | } |
| 1825 | else |
| 1826 | { |
| 1827 | device->setAlphaBlendEnable(false); |
| 1828 | } |
| 1829 | |
| 1830 | mBlendStateDirty = false; |
| 1831 | } |
| 1832 | |
| 1833 | if(mStencilStateDirty || mFrontFaceDirty) |
| 1834 | { |
| 1835 | if(mState.stencilTestEnabled && framebuffer->hasStencil()) |
| 1836 | { |
| 1837 | device->setStencilEnable(true); |
| 1838 | device->setTwoSidedStencil(true); |
| 1839 | |
| 1840 | // get the maximum size of the stencil ref |
| 1841 | Renderbuffer *stencilbuffer = framebuffer->getStencilbuffer(); |
| 1842 | GLuint maxStencil = (1 << stencilbuffer->getStencilSize()) - 1; |
| 1843 | |
| 1844 | device->setStencilWriteMask(mState.stencilWritemask); |
| 1845 | device->setStencilCompare(es2sw::ConvertStencilComparison(mState.stencilFunc)); |
| 1846 | |
| 1847 | device->setStencilReference((mState.stencilRef < (GLint)maxStencil) ? mState.stencilRef : maxStencil); |
| 1848 | device->setStencilMask(mState.stencilMask); |
| 1849 | |
| 1850 | device->setStencilFailOperation(es2sw::ConvertStencilOp(mState.stencilFail)); |
| 1851 | device->setStencilZFailOperation(es2sw::ConvertStencilOp(mState.stencilPassDepthFail)); |
| 1852 | device->setStencilPassOperation(es2sw::ConvertStencilOp(mState.stencilPassDepthPass)); |
| 1853 | |
| 1854 | device->setStencilWriteMaskCCW(mState.stencilWritemask); |
| 1855 | device->setStencilCompareCCW(es2sw::ConvertStencilComparison(mState.stencilFunc)); |
| 1856 | |
| 1857 | device->setStencilReferenceCCW((mState.stencilRef < (GLint)maxStencil) ? mState.stencilRef : maxStencil); |
| 1858 | device->setStencilMaskCCW(mState.stencilMask); |
| 1859 | |
| 1860 | device->setStencilFailOperationCCW(es2sw::ConvertStencilOp(mState.stencilFail)); |
| 1861 | device->setStencilZFailOperationCCW(es2sw::ConvertStencilOp(mState.stencilPassDepthFail)); |
| 1862 | device->setStencilPassOperationCCW(es2sw::ConvertStencilOp(mState.stencilPassDepthPass)); |
| 1863 | } |
| 1864 | else |
| 1865 | { |
| 1866 | device->setStencilEnable(false); |
| 1867 | } |
| 1868 | |
| 1869 | mStencilStateDirty = false; |
| 1870 | mFrontFaceDirty = false; |
| 1871 | } |
| 1872 | |
| 1873 | if(mMaskStateDirty) |
| 1874 | { |
| 1875 | device->setColorWriteMask(0, es2sw::ConvertColorMask(mState.colorMaskRed, mState.colorMaskGreen, mState.colorMaskBlue, mState.colorMaskAlpha)); |
| 1876 | device->setDepthWriteEnable(mState.depthMask); |
| 1877 | |
| 1878 | mMaskStateDirty = false; |
| 1879 | } |
| 1880 | |
| 1881 | if(mPolygonOffsetStateDirty) |
| 1882 | { |
| 1883 | if(mState.polygonOffsetFillEnabled) |
| 1884 | { |
| 1885 | Renderbuffer *depthbuffer = framebuffer->getDepthbuffer(); |
| 1886 | if(depthbuffer) |
| 1887 | { |
| 1888 | device->setSlopeDepthBias(mState.polygonOffsetFactor); |
| 1889 | float depthBias = ldexp(mState.polygonOffsetUnits, -(int)(depthbuffer->getDepthSize())); |
| 1890 | device->setDepthBias(depthBias); |
| 1891 | } |
| 1892 | } |
| 1893 | else |
| 1894 | { |
| 1895 | device->setSlopeDepthBias(0); |
| 1896 | device->setDepthBias(0); |
| 1897 | } |
| 1898 | |
| 1899 | mPolygonOffsetStateDirty = false; |
| 1900 | } |
| 1901 | |
| 1902 | if(mSampleStateDirty) |
| 1903 | { |
| 1904 | if(mState.sampleAlphaToCoverageEnabled) |
| 1905 | { |
| 1906 | device->setTransparencyAntialiasing(sw::TRANSPARENCY_ALPHA_TO_COVERAGE); |
| 1907 | } |
| 1908 | else |
| 1909 | { |
| 1910 | device->setTransparencyAntialiasing(sw::TRANSPARENCY_NONE); |
| 1911 | } |
| 1912 | |
| 1913 | if(mState.sampleCoverageEnabled) |
| 1914 | { |
| 1915 | unsigned int mask = 0; |
| 1916 | if(mState.sampleCoverageValue != 0) |
| 1917 | { |
| 1918 | int width, height, samples; |
| 1919 | framebuffer->completeness(width, height, samples); |
| 1920 | |
| 1921 | float threshold = 0.5f; |
| 1922 | |
| 1923 | for(int i = 0; i < samples; i++) |
| 1924 | { |
| 1925 | mask <<= 1; |
| 1926 | |
| 1927 | if((i + 1) * mState.sampleCoverageValue >= threshold) |
| 1928 | { |
| 1929 | threshold += 1.0f; |
| 1930 | mask |= 1; |
| 1931 | } |
| 1932 | } |
| 1933 | } |
| 1934 | |
| 1935 | if(mState.sampleCoverageInvert) |
| 1936 | { |
| 1937 | mask = ~mask; |
| 1938 | } |
| 1939 | |
| 1940 | device->setMultiSampleMask(mask); |
| 1941 | } |
| 1942 | else |
| 1943 | { |
| 1944 | device->setMultiSampleMask(0xFFFFFFFF); |
| 1945 | } |
| 1946 | |
| 1947 | mSampleStateDirty = false; |
| 1948 | } |
| 1949 | |
| 1950 | if(mDitherStateDirty) |
| 1951 | { |
| 1952 | // UNIMPLEMENTED(); // FIXME |
| 1953 | |
| 1954 | mDitherStateDirty = false; |
| 1955 | } |
| 1956 | |
| 1957 | switch(mState.shadeModel) |
| 1958 | { |
| 1959 | default: UNREACHABLE(mState.shadeModel); |
| 1960 | case GL_SMOOTH: device->setShadingMode(sw::SHADING_GOURAUD); break; |
| 1961 | case GL_FLAT: device->setShadingMode(sw::SHADING_FLAT); break; |
| 1962 | } |
| 1963 | |
| 1964 | device->setLightingEnable(lightingEnabled); |
| 1965 | device->setGlobalAmbient(sw::Color<float>(globalAmbient.red, globalAmbient.green, globalAmbient.blue, globalAmbient.alpha)); |
| 1966 | |
| 1967 | for(int i = 0; i < MAX_LIGHTS; i++) |
| 1968 | { |
| 1969 | device->setLightEnable(i, light[i].enabled); |
| 1970 | device->setLightAmbient(i, sw::Color<float>(light[i].ambient.red, light[i].ambient.green, light[i].ambient.blue, light[i].ambient.alpha)); |
| 1971 | device->setLightDiffuse(i, sw::Color<float>(light[i].diffuse.red, light[i].diffuse.green, light[i].diffuse.blue, light[i].diffuse.alpha)); |
| 1972 | device->setLightSpecular(i, sw::Color<float>(light[i].specular.red, light[i].specular.green, light[i].specular.blue, light[i].specular.alpha)); |
| 1973 | device->setLightAttenuation(i, light[i].attenuation.constant, light[i].attenuation.linear, light[i].attenuation.quadratic); |
| 1974 | |
| 1975 | if(light[i].position.w != 0.0f) |
| 1976 | { |
| 1977 | device->setLightPosition(i, sw::Point(light[i].position.x / light[i].position.w, light[i].position.y / light[i].position.w, light[i].position.z / light[i].position.w)); |
| 1978 | } |
| 1979 | else // Directional light |
| 1980 | { |
| 1981 | // Hack: set the position far way |
| 1982 | float max = sw::max(abs(light[i].position.x), abs(light[i].position.y), abs(light[i].position.z)); |
| 1983 | device->setLightPosition(i, sw::Point(1e10f * (light[i].position.x / max), 1e10f * (light[i].position.y / max), 1e10f * (light[i].position.z / max))); |
| 1984 | } |
| 1985 | } |
| 1986 | |
| 1987 | device->setMaterialAmbient(sw::Color<float>(materialAmbient.red, materialAmbient.green, materialAmbient.blue, materialAmbient.alpha)); |
| 1988 | device->setMaterialDiffuse(sw::Color<float>(materialDiffuse.red, materialDiffuse.green, materialDiffuse.blue, materialDiffuse.alpha)); |
| 1989 | device->setMaterialSpecular(sw::Color<float>(materialSpecular.red, materialSpecular.green, materialSpecular.blue, materialSpecular.alpha)); |
| 1990 | device->setMaterialEmission(sw::Color<float>(materialEmission.red, materialEmission.green, materialEmission.blue, materialEmission.alpha)); |
| 1991 | device->setMaterialShininess(materialShininess); |
| 1992 | |
| 1993 | device->setDiffuseMaterialSource(sw::MATERIAL_MATERIAL); |
| 1994 | device->setSpecularMaterialSource(sw::MATERIAL_MATERIAL); |
| 1995 | device->setAmbientMaterialSource(sw::MATERIAL_MATERIAL); |
| 1996 | device->setEmissiveMaterialSource(sw::MATERIAL_MATERIAL); |
| 1997 | |
Nicolas Capens | 00bfa18 | 2016-05-20 21:30:54 -0700 | [diff] [blame] | 1998 | device->setProjectionMatrix(projectionStack.current()); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1999 | device->setModelMatrix(modelViewStack.current()); |
| 2000 | device->setTextureMatrix(0, textureStack0.current()); |
| 2001 | device->setTextureMatrix(1, textureStack1.current()); |
| 2002 | device->setTextureTransform(0, textureStack0.isIdentity() ? 0 : 4, false); |
| 2003 | device->setTextureTransform(1, textureStack1.isIdentity() ? 0 : 4, false); |
| 2004 | device->setTexGen(0, sw::TEXGEN_NONE); |
| 2005 | device->setTexGen(1, sw::TEXGEN_NONE); |
| 2006 | |
| 2007 | device->setAlphaTestEnable(alphaTestEnabled); |
| 2008 | device->setAlphaCompare(es2sw::ConvertAlphaComparison(alphaTestFunc)); |
| 2009 | device->setAlphaReference(alphaTestRef * 0xFF); |
| 2010 | |
| 2011 | device->setFogEnable(fogEnabled); |
| 2012 | device->setFogColor(sw::Color<float>(fogColor.red, fogColor.green, fogColor.blue, fogColor.alpha)); |
| 2013 | device->setFogDensity(fogDensity); |
| 2014 | device->setFogStart(fogStart); |
| 2015 | device->setFogEnd(fogEnd); |
| 2016 | |
| 2017 | switch(fogMode) |
| 2018 | { |
| 2019 | case GL_LINEAR: device->setVertexFogMode(sw::FOG_LINEAR); break; |
| 2020 | case GL_EXP: device->setVertexFogMode(sw::FOG_EXP); break; |
| 2021 | case GL_EXP2: device->setVertexFogMode(sw::FOG_EXP2); break; |
| 2022 | default: UNREACHABLE(fogMode); |
| 2023 | } |
| 2024 | |
| 2025 | device->setColorLogicOpEnabled(colorLogicOpEnabled); |
| 2026 | device->setLogicalOperation(es2sw::ConvertLogicalOperation(logicalOperation)); |
| 2027 | |
| 2028 | device->setNormalizeNormals(normalizeEnabled || rescaleNormalEnabled); |
| 2029 | } |
| 2030 | |
| 2031 | GLenum Context::applyVertexBuffer(GLint base, GLint first, GLsizei count) |
| 2032 | { |
| 2033 | TranslatedAttribute attributes[MAX_VERTEX_ATTRIBS]; |
| 2034 | |
| 2035 | GLenum err = mVertexDataManager->prepareVertexData(first, count, attributes); |
| 2036 | if(err != GL_NO_ERROR) |
| 2037 | { |
| 2038 | return err; |
| 2039 | } |
| 2040 | |
| 2041 | device->resetInputStreams(false); |
| 2042 | |
| 2043 | for(int i = 0; i < MAX_VERTEX_ATTRIBS; i++) |
| 2044 | { |
| 2045 | sw::Resource *resource = attributes[i].vertexBuffer; |
| 2046 | const void *buffer = (char*)resource->data() + attributes[i].offset; |
| 2047 | |
| 2048 | int stride = attributes[i].stride; |
| 2049 | |
| 2050 | buffer = (char*)buffer + stride * base; |
| 2051 | |
| 2052 | sw::Stream attribute(resource, buffer, stride); |
| 2053 | |
| 2054 | attribute.type = attributes[i].type; |
| 2055 | attribute.count = attributes[i].count; |
| 2056 | attribute.normalized = attributes[i].normalized; |
| 2057 | |
| 2058 | device->setInputStream(i, attribute); |
| 2059 | } |
| 2060 | |
| 2061 | return GL_NO_ERROR; |
| 2062 | } |
| 2063 | |
| 2064 | // Applies the indices and element array bindings |
| 2065 | GLenum Context::applyIndexBuffer(const void *indices, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo) |
| 2066 | { |
| 2067 | GLenum err = mIndexDataManager->prepareIndexData(type, count, mState.elementArrayBuffer, indices, indexInfo); |
| 2068 | |
| 2069 | if(err == GL_NO_ERROR) |
| 2070 | { |
| 2071 | device->setIndexBuffer(indexInfo->indexBuffer); |
| 2072 | } |
| 2073 | |
| 2074 | return err; |
| 2075 | } |
| 2076 | |
| 2077 | void Context::applyTextures() |
| 2078 | { |
| 2079 | for(int unit = 0; unit < MAX_TEXTURE_UNITS; unit++) |
| 2080 | { |
| 2081 | Texture *texture = nullptr; |
| 2082 | |
| 2083 | if(textureExternalEnabled[unit]) |
| 2084 | { |
| 2085 | texture = getSamplerTexture(unit, TEXTURE_EXTERNAL); |
| 2086 | } |
| 2087 | else if(texture2Denabled[unit]) |
| 2088 | { |
| 2089 | texture = getSamplerTexture(unit, TEXTURE_2D); |
| 2090 | } |
| 2091 | |
| 2092 | if(texture && texture->isSamplerComplete()) |
| 2093 | { |
| 2094 | texture->autoGenerateMipmaps(); |
| 2095 | |
| 2096 | GLenum wrapS = texture->getWrapS(); |
| 2097 | GLenum wrapT = texture->getWrapT(); |
| 2098 | GLenum minFilter = texture->getMinFilter(); |
| 2099 | GLenum magFilter = texture->getMagFilter(); |
| 2100 | GLfloat maxAnisotropy = texture->getMaxAnisotropy(); |
| 2101 | |
| 2102 | device->setAddressingModeU(sw::SAMPLER_PIXEL, unit, es2sw::ConvertTextureWrap(wrapS)); |
| 2103 | device->setAddressingModeV(sw::SAMPLER_PIXEL, unit, es2sw::ConvertTextureWrap(wrapT)); |
| 2104 | |
| 2105 | device->setTextureFilter(sw::SAMPLER_PIXEL, unit, es2sw::ConvertTextureFilter(minFilter, magFilter, maxAnisotropy)); |
| 2106 | device->setMipmapFilter(sw::SAMPLER_PIXEL, unit, es2sw::ConvertMipMapFilter(minFilter)); |
| 2107 | device->setMaxAnisotropy(sw::SAMPLER_PIXEL, unit, maxAnisotropy); |
| 2108 | |
| 2109 | applyTexture(unit, texture); |
| 2110 | |
| 2111 | device->setConstantColor(unit, sw::Color<float>(mState.textureUnit[unit].color.red, mState.textureUnit[unit].color.green, mState.textureUnit[unit].color.blue, mState.textureUnit[unit].color.alpha)); |
| 2112 | |
| 2113 | if(mState.textureUnit[unit].environmentMode != GL_COMBINE) |
| 2114 | { |
| 2115 | device->setFirstArgument(unit, sw::TextureStage::SOURCE_TEXTURE); // Cs |
| 2116 | device->setFirstModifier(unit, sw::TextureStage::MODIFIER_COLOR); |
| 2117 | device->setSecondArgument(unit, sw::TextureStage::SOURCE_CURRENT); // Cp |
| 2118 | device->setSecondModifier(unit, sw::TextureStage::MODIFIER_COLOR); |
| 2119 | device->setThirdArgument(unit, sw::TextureStage::SOURCE_CONSTANT); // Cc |
| 2120 | device->setThirdModifier(unit, sw::TextureStage::MODIFIER_COLOR); |
| 2121 | |
| 2122 | device->setFirstArgumentAlpha(unit, sw::TextureStage::SOURCE_TEXTURE); // As |
| 2123 | device->setFirstModifierAlpha(unit, sw::TextureStage::MODIFIER_ALPHA); |
| 2124 | device->setSecondArgumentAlpha(unit, sw::TextureStage::SOURCE_CURRENT); // Ap |
| 2125 | device->setSecondModifierAlpha(unit, sw::TextureStage::MODIFIER_ALPHA); |
| 2126 | device->setThirdArgumentAlpha(unit, sw::TextureStage::SOURCE_CONSTANT); // Ac |
| 2127 | device->setThirdModifierAlpha(unit, sw::TextureStage::MODIFIER_ALPHA); |
| 2128 | |
| 2129 | GLenum texFormat = texture->getFormat(GL_TEXTURE_2D, 0); |
| 2130 | |
| 2131 | switch(mState.textureUnit[unit].environmentMode) |
| 2132 | { |
| 2133 | case GL_REPLACE: |
| 2134 | if(IsAlpha(texFormat)) // GL_ALPHA |
| 2135 | { |
| 2136 | // Cv = Cp, Av = As |
| 2137 | device->setStageOperation(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2138 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_SELECTARG1); |
| 2139 | } |
| 2140 | else if(IsRGB(texFormat)) // GL_LUMINANCE (or 1) / GL_RGB (or 3) |
| 2141 | { |
| 2142 | // Cv = Cs, Av = Ap |
| 2143 | device->setStageOperation(unit, sw::TextureStage::STAGE_SELECTARG1); |
| 2144 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2145 | } |
| 2146 | else if(IsRGBA(texFormat)) // GL_LUMINANCE_ALPHA (or 2) / GL_RGBA (or 4) |
| 2147 | { |
| 2148 | // Cv = Cs, Av = As |
| 2149 | device->setStageOperation(unit, sw::TextureStage::STAGE_SELECTARG1); |
| 2150 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_SELECTARG1); |
| 2151 | } |
| 2152 | else UNREACHABLE(texFormat); |
| 2153 | break; |
| 2154 | case GL_MODULATE: |
| 2155 | if(IsAlpha(texFormat)) // GL_ALPHA |
| 2156 | { |
| 2157 | // Cv = Cp, Av = ApAs |
| 2158 | device->setStageOperation(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2159 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_MODULATE); |
| 2160 | } |
| 2161 | else if(IsRGB(texFormat)) // GL_LUMINANCE (or 1) / GL_RGB (or 3) |
| 2162 | { |
| 2163 | // Cv = CpCs, Av = Ap |
| 2164 | device->setStageOperation(unit, sw::TextureStage::STAGE_MODULATE); |
| 2165 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2166 | } |
| 2167 | else if(IsRGBA(texFormat)) // GL_LUMINANCE_ALPHA (or 2) / GL_RGBA (or 4) |
| 2168 | { |
| 2169 | // Cv = CpCs, Av = ApAs |
| 2170 | device->setStageOperation(unit, sw::TextureStage::STAGE_MODULATE); |
| 2171 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_MODULATE); |
| 2172 | } |
| 2173 | else UNREACHABLE(texFormat); |
| 2174 | break; |
| 2175 | case GL_DECAL: |
| 2176 | if(texFormat == GL_ALPHA || |
| 2177 | texFormat == GL_LUMINANCE || |
| 2178 | texFormat == GL_LUMINANCE_ALPHA) |
| 2179 | { |
| 2180 | // undefined // FIXME: Log |
| 2181 | device->setStageOperation(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2182 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2183 | } |
| 2184 | else if(IsRGB(texFormat)) // GL_LUMINANCE (or 1) / GL_RGB (or 3) |
| 2185 | { |
| 2186 | // Cv = Cs, Av = Ap |
| 2187 | device->setStageOperation(unit, sw::TextureStage::STAGE_SELECTARG1); |
| 2188 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2189 | } |
| 2190 | else if(IsRGBA(texFormat)) // GL_LUMINANCE_ALPHA (or 2) / GL_RGBA (or 4) |
| 2191 | { |
| 2192 | // Cv = Cp(1 - As) + CsAs, Av = Ap |
| 2193 | device->setStageOperation(unit, sw::TextureStage::STAGE_BLENDTEXTUREALPHA); // Alpha * (Arg1 - Arg2) + Arg2 |
| 2194 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2195 | } |
| 2196 | else UNREACHABLE(texFormat); |
| 2197 | break; |
| 2198 | case GL_BLEND: |
| 2199 | if(IsAlpha(texFormat)) // GL_ALPHA |
| 2200 | { |
| 2201 | // Cv = Cp, Av = ApAs |
| 2202 | device->setStageOperation(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2203 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_MODULATE); |
| 2204 | } |
| 2205 | else if(IsRGB(texFormat)) // GL_LUMINANCE (or 1) / GL_RGB (or 3) |
| 2206 | { |
| 2207 | // Cv = Cp(1 - Cs) + CcCs, Av = Ap |
| 2208 | device->setStageOperation(unit, sw::TextureStage::STAGE_LERP); // Arg3 * (Arg1 - Arg2) + Arg2 |
| 2209 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2210 | } |
| 2211 | else if(IsRGBA(texFormat)) // GL_LUMINANCE_ALPHA (or 2) / GL_RGBA (or 4) |
| 2212 | { |
| 2213 | // Cv = Cp(1 - Cs) + CcCs, Av = ApAs |
| 2214 | device->setStageOperation(unit, sw::TextureStage::STAGE_LERP); // Arg3 * (Arg1 - Arg2) + Arg2 |
| 2215 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_MODULATE); |
| 2216 | } |
| 2217 | else UNREACHABLE(texFormat); |
| 2218 | break; |
| 2219 | case GL_ADD: |
| 2220 | if(IsAlpha(texFormat)) // GL_ALPHA |
| 2221 | { |
| 2222 | // Cv = Cp, Av = ApAs |
| 2223 | device->setStageOperation(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2224 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_MODULATE); |
| 2225 | } |
| 2226 | else if(IsRGB(texFormat)) // GL_LUMINANCE (or 1) / GL_RGB (or 3) |
| 2227 | { |
| 2228 | // Cv = Cp + Cs, Av = Ap |
| 2229 | device->setStageOperation(unit, sw::TextureStage::STAGE_ADD); |
| 2230 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_SELECTARG2); |
| 2231 | } |
| 2232 | else if(IsRGBA(texFormat)) // GL_LUMINANCE_ALPHA (or 2) / GL_RGBA (or 4) |
| 2233 | { |
| 2234 | // Cv = Cp + Cs, Av = ApAs |
| 2235 | device->setStageOperation(unit, sw::TextureStage::STAGE_ADD); |
| 2236 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_MODULATE); |
| 2237 | } |
| 2238 | else UNREACHABLE(texFormat); |
| 2239 | break; |
| 2240 | default: |
| 2241 | UNREACHABLE(mState.textureUnit[unit].environmentMode); |
| 2242 | } |
| 2243 | } |
| 2244 | else // GL_COMBINE |
| 2245 | { |
| 2246 | device->setFirstArgument(unit, es2sw::ConvertSourceArgument(mState.textureUnit[unit].src0RGB)); |
| 2247 | device->setFirstModifier(unit, es2sw::ConvertSourceOperand(mState.textureUnit[unit].operand0RGB)); |
| 2248 | device->setSecondArgument(unit, es2sw::ConvertSourceArgument(mState.textureUnit[unit].src1RGB)); |
| 2249 | device->setSecondModifier(unit, es2sw::ConvertSourceOperand(mState.textureUnit[unit].operand1RGB)); |
| 2250 | device->setThirdArgument(unit, es2sw::ConvertSourceArgument(mState.textureUnit[unit].src2RGB)); |
| 2251 | device->setThirdModifier(unit, es2sw::ConvertSourceOperand(mState.textureUnit[unit].operand2RGB)); |
| 2252 | |
| 2253 | device->setStageOperation(unit, es2sw::ConvertCombineOperation(mState.textureUnit[unit].combineRGB)); |
| 2254 | |
| 2255 | device->setFirstArgumentAlpha(unit, es2sw::ConvertSourceArgument(mState.textureUnit[unit].src0Alpha)); |
| 2256 | device->setFirstModifierAlpha(unit, es2sw::ConvertSourceOperand(mState.textureUnit[unit].operand0Alpha)); |
| 2257 | device->setSecondArgumentAlpha(unit, es2sw::ConvertSourceArgument(mState.textureUnit[unit].src1Alpha)); |
| 2258 | device->setSecondModifierAlpha(unit, es2sw::ConvertSourceOperand(mState.textureUnit[unit].operand1Alpha)); |
| 2259 | device->setThirdArgumentAlpha(unit, es2sw::ConvertSourceArgument(mState.textureUnit[unit].src2Alpha)); |
| 2260 | device->setThirdModifierAlpha(unit, es2sw::ConvertSourceOperand(mState.textureUnit[unit].operand2Alpha)); |
| 2261 | |
| 2262 | device->setStageOperationAlpha(unit, es2sw::ConvertCombineOperation(mState.textureUnit[unit].combineAlpha)); |
| 2263 | } |
| 2264 | } |
| 2265 | else |
| 2266 | { |
| 2267 | applyTexture(unit, nullptr); |
| 2268 | |
| 2269 | device->setFirstArgument(unit, sw::TextureStage::SOURCE_CURRENT); |
| 2270 | device->setFirstModifier(unit, sw::TextureStage::MODIFIER_COLOR); |
| 2271 | device->setStageOperation(unit, sw::TextureStage::STAGE_SELECTARG1); |
| 2272 | |
| 2273 | device->setFirstArgumentAlpha(unit, sw::TextureStage::SOURCE_CURRENT); |
| 2274 | device->setFirstModifierAlpha(unit, sw::TextureStage::MODIFIER_ALPHA); |
| 2275 | device->setStageOperationAlpha(unit, sw::TextureStage::STAGE_SELECTARG1); |
| 2276 | } |
| 2277 | } |
| 2278 | } |
| 2279 | |
| 2280 | void Context::setTextureEnvMode(GLenum texEnvMode) |
| 2281 | { |
| 2282 | mState.textureUnit[mState.activeSampler].environmentMode = texEnvMode; |
| 2283 | } |
| 2284 | |
| 2285 | void Context::setTextureEnvColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) |
| 2286 | { |
| 2287 | mState.textureUnit[mState.activeSampler].color = {red, green, blue, alpha}; |
| 2288 | } |
| 2289 | |
| 2290 | void Context::setCombineRGB(GLenum combineRGB) |
| 2291 | { |
| 2292 | mState.textureUnit[mState.activeSampler].combineRGB = combineRGB; |
| 2293 | } |
| 2294 | |
| 2295 | void Context::setCombineAlpha(GLenum combineAlpha) |
| 2296 | { |
| 2297 | mState.textureUnit[mState.activeSampler].combineAlpha = combineAlpha; |
| 2298 | } |
| 2299 | |
| 2300 | void Context::setOperand0RGB(GLenum operand) |
| 2301 | { |
| 2302 | mState.textureUnit[mState.activeSampler].operand0RGB = operand; |
| 2303 | } |
| 2304 | |
| 2305 | void Context::setOperand1RGB(GLenum operand) |
| 2306 | { |
| 2307 | mState.textureUnit[mState.activeSampler].operand1RGB = operand; |
| 2308 | } |
| 2309 | |
| 2310 | void Context::setOperand2RGB(GLenum operand) |
| 2311 | { |
| 2312 | mState.textureUnit[mState.activeSampler].operand2RGB = operand; |
| 2313 | } |
| 2314 | |
| 2315 | void Context::setOperand0Alpha(GLenum operand) |
| 2316 | { |
| 2317 | mState.textureUnit[mState.activeSampler].operand0Alpha = operand; |
| 2318 | } |
| 2319 | |
| 2320 | void Context::setOperand1Alpha(GLenum operand) |
| 2321 | { |
| 2322 | mState.textureUnit[mState.activeSampler].operand1Alpha = operand; |
| 2323 | } |
| 2324 | |
| 2325 | void Context::setOperand2Alpha(GLenum operand) |
| 2326 | { |
| 2327 | mState.textureUnit[mState.activeSampler].operand2Alpha = operand; |
| 2328 | } |
| 2329 | |
| 2330 | void Context::setSrc0RGB(GLenum src) |
| 2331 | { |
| 2332 | mState.textureUnit[mState.activeSampler].src0RGB = src; |
| 2333 | } |
| 2334 | |
| 2335 | void Context::setSrc1RGB(GLenum src) |
| 2336 | { |
| 2337 | mState.textureUnit[mState.activeSampler].src1RGB = src; |
| 2338 | } |
| 2339 | |
| 2340 | void Context::setSrc2RGB(GLenum src) |
| 2341 | { |
| 2342 | mState.textureUnit[mState.activeSampler].src2RGB = src; |
| 2343 | } |
| 2344 | |
| 2345 | void Context::setSrc0Alpha(GLenum src) |
| 2346 | { |
| 2347 | mState.textureUnit[mState.activeSampler].src0Alpha = src; |
| 2348 | } |
| 2349 | |
| 2350 | void Context::setSrc1Alpha(GLenum src) |
| 2351 | { |
| 2352 | mState.textureUnit[mState.activeSampler].src1Alpha = src; |
| 2353 | } |
| 2354 | |
| 2355 | void Context::setSrc2Alpha(GLenum src) |
| 2356 | { |
| 2357 | mState.textureUnit[mState.activeSampler].src2Alpha = src; |
| 2358 | } |
| 2359 | |
| 2360 | void Context::applyTexture(int index, Texture *baseTexture) |
| 2361 | { |
| 2362 | sw::Resource *resource = 0; |
| 2363 | |
| 2364 | if(baseTexture) |
| 2365 | { |
| 2366 | resource = baseTexture->getResource(); |
| 2367 | } |
| 2368 | |
| 2369 | device->setTextureResource(index, resource); |
| 2370 | |
| 2371 | if(baseTexture) |
| 2372 | { |
Nicolas Capens | b3f54e8 | 2017-12-19 13:38:18 -0500 | [diff] [blame] | 2373 | int topLevel = baseTexture->getTopLevel(); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2374 | |
| 2375 | if(baseTexture->getTarget() == GL_TEXTURE_2D || baseTexture->getTarget() == GL_TEXTURE_EXTERNAL_OES) |
| 2376 | { |
| 2377 | Texture2D *texture = static_cast<Texture2D*>(baseTexture); |
| 2378 | |
| 2379 | for(int mipmapLevel = 0; mipmapLevel < sw::MIPMAP_LEVELS; mipmapLevel++) |
| 2380 | { |
| 2381 | int surfaceLevel = mipmapLevel; |
| 2382 | |
| 2383 | if(surfaceLevel < 0) |
| 2384 | { |
| 2385 | surfaceLevel = 0; |
| 2386 | } |
Nicolas Capens | b3f54e8 | 2017-12-19 13:38:18 -0500 | [diff] [blame] | 2387 | else if(surfaceLevel > topLevel) |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2388 | { |
Nicolas Capens | b3f54e8 | 2017-12-19 13:38:18 -0500 | [diff] [blame] | 2389 | surfaceLevel = topLevel; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2390 | } |
| 2391 | |
| 2392 | egl::Image *surface = texture->getImage(surfaceLevel); |
| 2393 | device->setTextureLevel(index, 0, mipmapLevel, surface, sw::TEXTURE_2D); |
| 2394 | } |
| 2395 | } |
| 2396 | else UNIMPLEMENTED(); |
| 2397 | } |
| 2398 | else |
| 2399 | { |
| 2400 | device->setTextureLevel(index, 0, 0, 0, sw::TEXTURE_NULL); |
| 2401 | } |
| 2402 | } |
| 2403 | |
| 2404 | void Context::readPixels(GLint x, GLint y, GLsizei width, GLsizei height, |
| 2405 | GLenum format, GLenum type, GLsizei *bufSize, void* pixels) |
| 2406 | { |
| 2407 | Framebuffer *framebuffer = getFramebuffer(); |
| 2408 | int framebufferWidth, framebufferHeight, framebufferSamples; |
| 2409 | |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 2410 | if(!framebuffer || (framebuffer->completeness(framebufferWidth, framebufferHeight, framebufferSamples) != GL_FRAMEBUFFER_COMPLETE_OES)) |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2411 | { |
| 2412 | return error(GL_INVALID_FRAMEBUFFER_OPERATION_OES); |
| 2413 | } |
| 2414 | |
| 2415 | if(getFramebufferName() != 0 && framebufferSamples != 0) |
| 2416 | { |
| 2417 | return error(GL_INVALID_OPERATION); |
| 2418 | } |
| 2419 | |
| 2420 | if(format != GL_RGBA || type != GL_UNSIGNED_BYTE) |
| 2421 | { |
| 2422 | if(format != framebuffer->getImplementationColorReadFormat() || type != framebuffer->getImplementationColorReadType()) |
| 2423 | { |
| 2424 | return error(GL_INVALID_OPERATION); |
| 2425 | } |
| 2426 | } |
| 2427 | |
Nicolas Capens | 3b4a25c | 2018-02-22 20:14:07 -0500 | [diff] [blame] | 2428 | GLsizei outputPitch = gl::ComputePitch(width, format, type, mState.packAlignment); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2429 | |
| 2430 | // Sized query sanity check |
| 2431 | if(bufSize) |
| 2432 | { |
| 2433 | int requiredSize = outputPitch * height; |
| 2434 | if(requiredSize > *bufSize) |
| 2435 | { |
| 2436 | return error(GL_INVALID_OPERATION); |
| 2437 | } |
| 2438 | } |
| 2439 | |
| 2440 | egl::Image *renderTarget = framebuffer->getRenderTarget(); |
| 2441 | |
| 2442 | if(!renderTarget) |
| 2443 | { |
| 2444 | return error(GL_OUT_OF_MEMORY); |
| 2445 | } |
| 2446 | |
| 2447 | sw::Rect rect = {x, y, x + width, y + height}; |
| 2448 | rect.clip(0, 0, renderTarget->getWidth(), renderTarget->getHeight()); |
| 2449 | |
Nicolas Capens | e5a5788 | 2018-02-07 17:18:00 -0500 | [diff] [blame] | 2450 | unsigned char *source = (unsigned char*)renderTarget->lock(rect.x0, rect.y0, 0, sw::LOCK_READONLY); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2451 | unsigned char *dest = (unsigned char*)pixels; |
| 2452 | int inputPitch = (int)renderTarget->getPitch(); |
| 2453 | |
| 2454 | for(int j = 0; j < rect.y1 - rect.y0; j++) |
| 2455 | { |
| 2456 | unsigned short *dest16 = (unsigned short*)dest; |
| 2457 | unsigned int *dest32 = (unsigned int*)dest; |
| 2458 | |
Nicolas Capens | 3e5f6fd | 2018-02-26 17:47:06 -0500 | [diff] [blame] | 2459 | if(renderTarget->getExternalFormat() == sw::FORMAT_A8B8G8R8 && |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2460 | format == GL_RGBA && type == GL_UNSIGNED_BYTE) |
| 2461 | { |
| 2462 | memcpy(dest, source, (rect.x1 - rect.x0) * 4); |
| 2463 | } |
Nicolas Capens | 3e5f6fd | 2018-02-26 17:47:06 -0500 | [diff] [blame] | 2464 | else if(renderTarget->getExternalFormat() == sw::FORMAT_A8R8G8B8 && |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2465 | format == GL_RGBA && type == GL_UNSIGNED_BYTE) |
| 2466 | { |
| 2467 | for(int i = 0; i < rect.x1 - rect.x0; i++) |
| 2468 | { |
| 2469 | unsigned int argb = *(unsigned int*)(source + 4 * i); |
| 2470 | |
| 2471 | dest32[i] = (argb & 0xFF00FF00) | ((argb & 0x000000FF) << 16) | ((argb & 0x00FF0000) >> 16); |
| 2472 | } |
| 2473 | } |
Nicolas Capens | 3e5f6fd | 2018-02-26 17:47:06 -0500 | [diff] [blame] | 2474 | else if(renderTarget->getExternalFormat() == sw::FORMAT_X8R8G8B8 && |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2475 | format == GL_RGBA && type == GL_UNSIGNED_BYTE) |
| 2476 | { |
| 2477 | for(int i = 0; i < rect.x1 - rect.x0; i++) |
| 2478 | { |
| 2479 | unsigned int xrgb = *(unsigned int*)(source + 4 * i); |
| 2480 | |
| 2481 | dest32[i] = (xrgb & 0xFF00FF00) | ((xrgb & 0x000000FF) << 16) | ((xrgb & 0x00FF0000) >> 16) | 0xFF000000; |
| 2482 | } |
| 2483 | } |
Nicolas Capens | 3e5f6fd | 2018-02-26 17:47:06 -0500 | [diff] [blame] | 2484 | else if(renderTarget->getExternalFormat() == sw::FORMAT_X8R8G8B8 && |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2485 | format == GL_BGRA_EXT && type == GL_UNSIGNED_BYTE) |
| 2486 | { |
| 2487 | for(int i = 0; i < rect.x1 - rect.x0; i++) |
| 2488 | { |
| 2489 | unsigned int xrgb = *(unsigned int*)(source + 4 * i); |
| 2490 | |
| 2491 | dest32[i] = xrgb | 0xFF000000; |
| 2492 | } |
| 2493 | } |
Nicolas Capens | 3e5f6fd | 2018-02-26 17:47:06 -0500 | [diff] [blame] | 2494 | else if(renderTarget->getExternalFormat() == sw::FORMAT_A8R8G8B8 && |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2495 | format == GL_BGRA_EXT && type == GL_UNSIGNED_BYTE) |
| 2496 | { |
| 2497 | memcpy(dest, source, (rect.x1 - rect.x0) * 4); |
| 2498 | } |
Nicolas Capens | 3e5f6fd | 2018-02-26 17:47:06 -0500 | [diff] [blame] | 2499 | else if(renderTarget->getExternalFormat() == sw::FORMAT_A1R5G5B5 && |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2500 | format == GL_BGRA_EXT && type == GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT) |
| 2501 | { |
| 2502 | memcpy(dest, source, (rect.x1 - rect.x0) * 2); |
| 2503 | } |
Nicolas Capens | 3e5f6fd | 2018-02-26 17:47:06 -0500 | [diff] [blame] | 2504 | else if(renderTarget->getExternalFormat() == sw::FORMAT_R5G6B5 && |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2505 | format == 0x80E0 && type == GL_UNSIGNED_SHORT_5_6_5) // GL_BGR_EXT |
| 2506 | { |
| 2507 | memcpy(dest, source, (rect.x1 - rect.x0) * 2); |
| 2508 | } |
| 2509 | else |
| 2510 | { |
| 2511 | for(int i = 0; i < rect.x1 - rect.x0; i++) |
| 2512 | { |
Ben Clayton | 60a3d6f | 2019-02-26 17:24:46 +0000 | [diff] [blame] | 2513 | float r = 0.f; |
| 2514 | float g = 0.f; |
| 2515 | float b = 0.f; |
| 2516 | float a = 0.f; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2517 | |
Nicolas Capens | 3e5f6fd | 2018-02-26 17:47:06 -0500 | [diff] [blame] | 2518 | switch(renderTarget->getExternalFormat()) |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2519 | { |
| 2520 | case sw::FORMAT_R5G6B5: |
| 2521 | { |
| 2522 | unsigned short rgb = *(unsigned short*)(source + 2 * i); |
| 2523 | |
| 2524 | a = 1.0f; |
| 2525 | b = (rgb & 0x001F) * (1.0f / 0x001F); |
| 2526 | g = (rgb & 0x07E0) * (1.0f / 0x07E0); |
| 2527 | r = (rgb & 0xF800) * (1.0f / 0xF800); |
| 2528 | } |
| 2529 | break; |
| 2530 | case sw::FORMAT_A1R5G5B5: |
| 2531 | { |
| 2532 | unsigned short argb = *(unsigned short*)(source + 2 * i); |
| 2533 | |
| 2534 | a = (argb & 0x8000) ? 1.0f : 0.0f; |
| 2535 | b = (argb & 0x001F) * (1.0f / 0x001F); |
| 2536 | g = (argb & 0x03E0) * (1.0f / 0x03E0); |
| 2537 | r = (argb & 0x7C00) * (1.0f / 0x7C00); |
| 2538 | } |
| 2539 | break; |
| 2540 | case sw::FORMAT_A8R8G8B8: |
| 2541 | { |
| 2542 | unsigned int argb = *(unsigned int*)(source + 4 * i); |
| 2543 | |
| 2544 | a = (argb & 0xFF000000) * (1.0f / 0xFF000000); |
| 2545 | b = (argb & 0x000000FF) * (1.0f / 0x000000FF); |
| 2546 | g = (argb & 0x0000FF00) * (1.0f / 0x0000FF00); |
| 2547 | r = (argb & 0x00FF0000) * (1.0f / 0x00FF0000); |
| 2548 | } |
| 2549 | break; |
| 2550 | case sw::FORMAT_A8B8G8R8: |
| 2551 | { |
| 2552 | unsigned int abgr = *(unsigned int*)(source + 4 * i); |
| 2553 | |
| 2554 | a = (abgr & 0xFF000000) * (1.0f / 0xFF000000); |
| 2555 | b = (abgr & 0x00FF0000) * (1.0f / 0x00FF0000); |
| 2556 | g = (abgr & 0x0000FF00) * (1.0f / 0x0000FF00); |
| 2557 | r = (abgr & 0x000000FF) * (1.0f / 0x000000FF); |
| 2558 | } |
| 2559 | break; |
| 2560 | case sw::FORMAT_X8R8G8B8: |
| 2561 | { |
| 2562 | unsigned int xrgb = *(unsigned int*)(source + 4 * i); |
| 2563 | |
| 2564 | a = 1.0f; |
| 2565 | b = (xrgb & 0x000000FF) * (1.0f / 0x000000FF); |
| 2566 | g = (xrgb & 0x0000FF00) * (1.0f / 0x0000FF00); |
| 2567 | r = (xrgb & 0x00FF0000) * (1.0f / 0x00FF0000); |
| 2568 | } |
| 2569 | break; |
| 2570 | case sw::FORMAT_X8B8G8R8: |
| 2571 | { |
| 2572 | unsigned int xbgr = *(unsigned int*)(source + 4 * i); |
| 2573 | |
| 2574 | a = 1.0f; |
| 2575 | b = (xbgr & 0x00FF0000) * (1.0f / 0x00FF0000); |
| 2576 | g = (xbgr & 0x0000FF00) * (1.0f / 0x0000FF00); |
| 2577 | r = (xbgr & 0x000000FF) * (1.0f / 0x000000FF); |
| 2578 | } |
| 2579 | break; |
| 2580 | case sw::FORMAT_A2R10G10B10: |
| 2581 | { |
| 2582 | unsigned int argb = *(unsigned int*)(source + 4 * i); |
| 2583 | |
| 2584 | a = (argb & 0xC0000000) * (1.0f / 0xC0000000); |
| 2585 | b = (argb & 0x000003FF) * (1.0f / 0x000003FF); |
| 2586 | g = (argb & 0x000FFC00) * (1.0f / 0x000FFC00); |
| 2587 | r = (argb & 0x3FF00000) * (1.0f / 0x3FF00000); |
| 2588 | } |
| 2589 | break; |
| 2590 | default: |
| 2591 | UNIMPLEMENTED(); // FIXME |
Nicolas Capens | 3e5f6fd | 2018-02-26 17:47:06 -0500 | [diff] [blame] | 2592 | UNREACHABLE(renderTarget->getExternalFormat()); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2593 | } |
| 2594 | |
| 2595 | switch(format) |
| 2596 | { |
| 2597 | case GL_RGBA: |
| 2598 | switch(type) |
| 2599 | { |
| 2600 | case GL_UNSIGNED_BYTE: |
| 2601 | dest[4 * i + 0] = (unsigned char)(255 * r + 0.5f); |
| 2602 | dest[4 * i + 1] = (unsigned char)(255 * g + 0.5f); |
| 2603 | dest[4 * i + 2] = (unsigned char)(255 * b + 0.5f); |
| 2604 | dest[4 * i + 3] = (unsigned char)(255 * a + 0.5f); |
| 2605 | break; |
| 2606 | default: UNREACHABLE(type); |
| 2607 | } |
| 2608 | break; |
| 2609 | case GL_BGRA_EXT: |
| 2610 | switch(type) |
| 2611 | { |
| 2612 | case GL_UNSIGNED_BYTE: |
| 2613 | dest[4 * i + 0] = (unsigned char)(255 * b + 0.5f); |
| 2614 | dest[4 * i + 1] = (unsigned char)(255 * g + 0.5f); |
| 2615 | dest[4 * i + 2] = (unsigned char)(255 * r + 0.5f); |
| 2616 | dest[4 * i + 3] = (unsigned char)(255 * a + 0.5f); |
| 2617 | break; |
| 2618 | case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT: |
| 2619 | // According to the desktop GL spec in the "Transfer of Pixel Rectangles" section |
| 2620 | // this type is packed as follows: |
| 2621 | // 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 |
| 2622 | // -------------------------------------------------------------------------------- |
| 2623 | // | 4th | 3rd | 2nd | 1st component | |
| 2624 | // -------------------------------------------------------------------------------- |
| 2625 | // in the case of BGRA_EXT, B is the first component, G the second, and so forth. |
| 2626 | dest16[i] = |
| 2627 | ((unsigned short)(15 * a + 0.5f) << 12)| |
| 2628 | ((unsigned short)(15 * r + 0.5f) << 8) | |
| 2629 | ((unsigned short)(15 * g + 0.5f) << 4) | |
| 2630 | ((unsigned short)(15 * b + 0.5f) << 0); |
| 2631 | break; |
| 2632 | case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT: |
| 2633 | // According to the desktop GL spec in the "Transfer of Pixel Rectangles" section |
| 2634 | // this type is packed as follows: |
| 2635 | // 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 |
| 2636 | // -------------------------------------------------------------------------------- |
| 2637 | // | 4th | 3rd | 2nd | 1st component | |
| 2638 | // -------------------------------------------------------------------------------- |
| 2639 | // in the case of BGRA_EXT, B is the first component, G the second, and so forth. |
| 2640 | dest16[i] = |
| 2641 | ((unsigned short)( a + 0.5f) << 15) | |
| 2642 | ((unsigned short)(31 * r + 0.5f) << 10) | |
| 2643 | ((unsigned short)(31 * g + 0.5f) << 5) | |
| 2644 | ((unsigned short)(31 * b + 0.5f) << 0); |
| 2645 | break; |
| 2646 | default: UNREACHABLE(type); |
| 2647 | } |
| 2648 | break; |
| 2649 | case GL_RGB: |
| 2650 | switch(type) |
| 2651 | { |
| 2652 | case GL_UNSIGNED_SHORT_5_6_5: |
| 2653 | dest16[i] = |
| 2654 | ((unsigned short)(31 * b + 0.5f) << 0) | |
| 2655 | ((unsigned short)(63 * g + 0.5f) << 5) | |
| 2656 | ((unsigned short)(31 * r + 0.5f) << 11); |
| 2657 | break; |
| 2658 | default: UNREACHABLE(type); |
| 2659 | } |
| 2660 | break; |
| 2661 | default: UNREACHABLE(format); |
| 2662 | } |
| 2663 | } |
| 2664 | } |
| 2665 | |
| 2666 | source += inputPitch; |
| 2667 | dest += outputPitch; |
| 2668 | } |
| 2669 | |
| 2670 | renderTarget->unlock(); |
| 2671 | renderTarget->release(); |
| 2672 | } |
| 2673 | |
| 2674 | void Context::clear(GLbitfield mask) |
| 2675 | { |
| 2676 | Framebuffer *framebuffer = getFramebuffer(); |
| 2677 | |
| 2678 | if(!framebuffer || framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE_OES) |
| 2679 | { |
| 2680 | return error(GL_INVALID_FRAMEBUFFER_OPERATION_OES); |
| 2681 | } |
| 2682 | |
| 2683 | if(!applyRenderTarget()) |
| 2684 | { |
| 2685 | return; |
| 2686 | } |
| 2687 | |
| 2688 | float depth = clamp01(mState.depthClearValue); |
| 2689 | int stencil = mState.stencilClearValue & 0x000000FF; |
| 2690 | |
| 2691 | if(mask & GL_COLOR_BUFFER_BIT) |
| 2692 | { |
| 2693 | unsigned int rgbaMask = (mState.colorMaskRed ? 0x1 : 0) | |
| 2694 | (mState.colorMaskGreen ? 0x2 : 0) | |
| 2695 | (mState.colorMaskBlue ? 0x4 : 0) | |
| 2696 | (mState.colorMaskAlpha ? 0x8 : 0); |
| 2697 | |
| 2698 | if(rgbaMask != 0) |
| 2699 | { |
| 2700 | device->clearColor(mState.colorClearValue.red, mState.colorClearValue.green, mState.colorClearValue.blue, mState.colorClearValue.alpha, rgbaMask); |
| 2701 | } |
| 2702 | } |
| 2703 | |
| 2704 | if(mask & GL_DEPTH_BUFFER_BIT) |
| 2705 | { |
| 2706 | if(mState.depthMask != 0) |
| 2707 | { |
| 2708 | device->clearDepth(depth); |
| 2709 | } |
| 2710 | } |
| 2711 | |
| 2712 | if(mask & GL_STENCIL_BUFFER_BIT) |
| 2713 | { |
| 2714 | if(mState.stencilWritemask != 0) |
| 2715 | { |
| 2716 | device->clearStencil(stencil, mState.stencilWritemask); |
| 2717 | } |
| 2718 | } |
| 2719 | } |
| 2720 | |
| 2721 | void Context::drawArrays(GLenum mode, GLint first, GLsizei count) |
| 2722 | { |
| 2723 | sw::DrawType primitiveType; |
| 2724 | int primitiveCount; |
| 2725 | |
| 2726 | if(!es2sw::ConvertPrimitiveType(mode, count, GL_NONE, primitiveType, primitiveCount)) |
| 2727 | return error(GL_INVALID_ENUM); |
| 2728 | |
| 2729 | if(primitiveCount <= 0) |
| 2730 | { |
| 2731 | return; |
| 2732 | } |
| 2733 | |
| 2734 | if(!applyRenderTarget()) |
| 2735 | { |
| 2736 | return; |
| 2737 | } |
| 2738 | |
| 2739 | applyState(mode); |
| 2740 | |
| 2741 | GLenum err = applyVertexBuffer(0, first, count); |
| 2742 | if(err != GL_NO_ERROR) |
| 2743 | { |
| 2744 | return error(err); |
| 2745 | } |
| 2746 | |
| 2747 | applyTextures(); |
| 2748 | |
| 2749 | if(!cullSkipsDraw(mode)) |
| 2750 | { |
| 2751 | device->drawPrimitive(primitiveType, primitiveCount); |
| 2752 | } |
| 2753 | } |
| 2754 | |
| 2755 | void Context::drawElements(GLenum mode, GLsizei count, GLenum type, const void *indices) |
| 2756 | { |
| 2757 | if(!indices && !mState.elementArrayBuffer) |
| 2758 | { |
| 2759 | return error(GL_INVALID_OPERATION); |
| 2760 | } |
| 2761 | |
| 2762 | sw::DrawType primitiveType; |
| 2763 | int primitiveCount; |
| 2764 | |
| 2765 | if(!es2sw::ConvertPrimitiveType(mode, count, type, primitiveType, primitiveCount)) |
| 2766 | return error(GL_INVALID_ENUM); |
| 2767 | |
| 2768 | if(primitiveCount <= 0) |
| 2769 | { |
| 2770 | return; |
| 2771 | } |
| 2772 | |
| 2773 | if(!applyRenderTarget()) |
| 2774 | { |
| 2775 | return; |
| 2776 | } |
| 2777 | |
| 2778 | applyState(mode); |
| 2779 | |
| 2780 | TranslatedIndexData indexInfo; |
| 2781 | GLenum err = applyIndexBuffer(indices, count, mode, type, &indexInfo); |
| 2782 | if(err != GL_NO_ERROR) |
| 2783 | { |
| 2784 | return error(err); |
| 2785 | } |
| 2786 | |
| 2787 | GLsizei vertexCount = indexInfo.maxIndex - indexInfo.minIndex + 1; |
| 2788 | err = applyVertexBuffer(-(int)indexInfo.minIndex, indexInfo.minIndex, vertexCount); |
| 2789 | if(err != GL_NO_ERROR) |
| 2790 | { |
| 2791 | return error(err); |
| 2792 | } |
| 2793 | |
| 2794 | applyTextures(); |
| 2795 | |
| 2796 | if(!cullSkipsDraw(mode)) |
| 2797 | { |
| 2798 | device->drawIndexedPrimitive(primitiveType, indexInfo.indexOffset, primitiveCount); |
| 2799 | } |
| 2800 | } |
| 2801 | |
| 2802 | void Context::drawTexture(GLfloat x, GLfloat y, GLfloat z, GLfloat width, GLfloat height) |
| 2803 | { |
| 2804 | es1::Framebuffer *framebuffer = getFramebuffer(); |
Alexis Hetu | 5cd502b | 2018-03-22 08:29:31 -0400 | [diff] [blame] | 2805 | es1::Renderbuffer *renderbuffer = framebuffer ? framebuffer->getColorbuffer() : nullptr; |
| 2806 | if(!renderbuffer) |
| 2807 | { |
| 2808 | return; |
| 2809 | } |
| 2810 | |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2811 | float targetWidth = (float)renderbuffer->getWidth(); |
| 2812 | float targetHeight = (float)renderbuffer->getHeight(); |
| 2813 | float x0 = 2.0f * x / targetWidth - 1.0f; |
| 2814 | float y0 = 2.0f * y / targetHeight - 1.0f; |
| 2815 | float x1 = 2.0f * (x + width) / targetWidth - 1.0f; |
| 2816 | float y1 = 2.0f * (y + height) / targetHeight - 1.0f; |
| 2817 | float Zw = sw::clamp(mState.zNear + z * (mState.zFar - mState.zNear), mState.zNear, mState.zFar); |
| 2818 | |
| 2819 | float vertices[][3] = {{x0, y0, Zw}, |
| 2820 | {x0, y1, Zw}, |
| 2821 | {x1, y0, Zw}, |
| 2822 | {x1, y1, Zw}}; |
| 2823 | |
| 2824 | ASSERT(mState.samplerTexture[TEXTURE_2D][1].name() == 0); // Multi-texturing unimplemented |
| 2825 | es1::Texture *texture = getSamplerTexture(0, TEXTURE_2D); |
| 2826 | float textureWidth = (float)texture->getWidth(GL_TEXTURE_2D, 0); |
| 2827 | float textureHeight = (float)texture->getHeight(GL_TEXTURE_2D, 0); |
| 2828 | int Ucr = texture->getCropRectU(); |
| 2829 | int Vcr = texture->getCropRectV(); |
| 2830 | int Wcr = texture->getCropRectW(); |
| 2831 | int Hcr = texture->getCropRectH(); |
| 2832 | |
| 2833 | float texCoords[][2] = {{Ucr / textureWidth, Vcr / textureHeight}, |
| 2834 | {Ucr / textureWidth, (Vcr + Hcr) / textureHeight}, |
| 2835 | {(Ucr + Wcr) / textureWidth, Vcr / textureHeight}, |
| 2836 | {(Ucr + Wcr) / textureWidth, (Vcr + Hcr) / textureHeight}}; |
| 2837 | |
| 2838 | VertexAttribute oldPositionAttribute = mState.vertexAttribute[sw::Position]; |
| 2839 | VertexAttribute oldTexCoord0Attribute = mState.vertexAttribute[sw::TexCoord0]; |
| 2840 | gl::BindingPointer<Buffer> oldArrayBuffer = mState.arrayBuffer; |
| 2841 | mState.arrayBuffer = nullptr; |
| 2842 | |
| 2843 | glVertexPointer(3, GL_FLOAT, 3 * sizeof(float), vertices); |
| 2844 | glEnableClientState(GL_VERTEX_ARRAY); |
| 2845 | glTexCoordPointer(2, GL_FLOAT, 2 * sizeof(float), texCoords); |
| 2846 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
| 2847 | |
| 2848 | sw::Matrix P = projectionStack.current(); |
| 2849 | sw::Matrix M = modelViewStack.current(); |
| 2850 | sw::Matrix T = textureStack0.current(); |
| 2851 | |
| 2852 | projectionStack.identity(); |
| 2853 | modelViewStack.identity(); |
| 2854 | textureStack0.identity(); |
| 2855 | |
| 2856 | drawArrays(GL_TRIANGLE_STRIP, 0, 4); |
| 2857 | |
| 2858 | // Restore state |
| 2859 | mState.vertexAttribute[sw::Position] = oldPositionAttribute; |
| 2860 | mState.vertexAttribute[sw::TexCoord0] = oldTexCoord0Attribute; |
| 2861 | mState.arrayBuffer = oldArrayBuffer; |
| 2862 | oldArrayBuffer = nullptr; |
| 2863 | oldPositionAttribute.mBoundBuffer = nullptr; |
| 2864 | oldTexCoord0Attribute.mBoundBuffer = nullptr; |
| 2865 | textureStack0.load(T); |
| 2866 | modelViewStack.load(M); |
| 2867 | projectionStack.load(P); |
| 2868 | } |
| 2869 | |
Nicolas Capens | 81aa97b | 2017-06-27 17:08:08 -0400 | [diff] [blame] | 2870 | void Context::blit(sw::Surface *source, const sw::SliceRect &sRect, sw::Surface *dest, const sw::SliceRect &dRect) |
| 2871 | { |
Alexis Hetu | 10c74a6 | 2017-11-29 14:00:32 -0500 | [diff] [blame] | 2872 | sw::SliceRectF sRectF((float)sRect.x0, (float)sRect.y0, (float)sRect.x1, (float)sRect.y1, sRect.slice); |
| 2873 | device->blit(source, sRectF, dest, dRect, false); |
Nicolas Capens | 81aa97b | 2017-06-27 17:08:08 -0400 | [diff] [blame] | 2874 | } |
| 2875 | |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 2876 | void Context::finish() |
| 2877 | { |
| 2878 | device->finish(); |
| 2879 | } |
| 2880 | |
| 2881 | void Context::flush() |
| 2882 | { |
| 2883 | // We don't queue anything without processing it as fast as possible |
| 2884 | } |
| 2885 | |
| 2886 | void Context::recordInvalidEnum() |
| 2887 | { |
| 2888 | mInvalidEnum = true; |
| 2889 | } |
| 2890 | |
| 2891 | void Context::recordInvalidValue() |
| 2892 | { |
| 2893 | mInvalidValue = true; |
| 2894 | } |
| 2895 | |
| 2896 | void Context::recordInvalidOperation() |
| 2897 | { |
| 2898 | mInvalidOperation = true; |
| 2899 | } |
| 2900 | |
| 2901 | void Context::recordOutOfMemory() |
| 2902 | { |
| 2903 | mOutOfMemory = true; |
| 2904 | } |
| 2905 | |
| 2906 | void Context::recordInvalidFramebufferOperation() |
| 2907 | { |
| 2908 | mInvalidFramebufferOperation = true; |
| 2909 | } |
| 2910 | |
| 2911 | void Context::recordMatrixStackOverflow() |
| 2912 | { |
| 2913 | mMatrixStackOverflow = true; |
| 2914 | } |
| 2915 | |
| 2916 | void Context::recordMatrixStackUnderflow() |
| 2917 | { |
| 2918 | mMatrixStackUnderflow = true; |
| 2919 | } |
| 2920 | |
| 2921 | // Get one of the recorded errors and clear its flag, if any. |
| 2922 | // [OpenGL ES 2.0.24] section 2.5 page 13. |
| 2923 | GLenum Context::getError() |
| 2924 | { |
| 2925 | if(mInvalidEnum) |
| 2926 | { |
| 2927 | mInvalidEnum = false; |
| 2928 | |
| 2929 | return GL_INVALID_ENUM; |
| 2930 | } |
| 2931 | |
| 2932 | if(mInvalidValue) |
| 2933 | { |
| 2934 | mInvalidValue = false; |
| 2935 | |
| 2936 | return GL_INVALID_VALUE; |
| 2937 | } |
| 2938 | |
| 2939 | if(mInvalidOperation) |
| 2940 | { |
| 2941 | mInvalidOperation = false; |
| 2942 | |
| 2943 | return GL_INVALID_OPERATION; |
| 2944 | } |
| 2945 | |
| 2946 | if(mOutOfMemory) |
| 2947 | { |
| 2948 | mOutOfMemory = false; |
| 2949 | |
| 2950 | return GL_OUT_OF_MEMORY; |
| 2951 | } |
| 2952 | |
| 2953 | if(mInvalidFramebufferOperation) |
| 2954 | { |
| 2955 | mInvalidFramebufferOperation = false; |
| 2956 | |
| 2957 | return GL_INVALID_FRAMEBUFFER_OPERATION_OES; |
| 2958 | } |
| 2959 | |
| 2960 | if(mMatrixStackOverflow) |
| 2961 | { |
| 2962 | mMatrixStackOverflow = false; |
| 2963 | |
| 2964 | return GL_INVALID_FRAMEBUFFER_OPERATION_OES; |
| 2965 | } |
| 2966 | |
| 2967 | if(mMatrixStackUnderflow) |
| 2968 | { |
| 2969 | mMatrixStackUnderflow = false; |
| 2970 | |
| 2971 | return GL_INVALID_FRAMEBUFFER_OPERATION_OES; |
| 2972 | } |
| 2973 | |
| 2974 | return GL_NO_ERROR; |
| 2975 | } |
| 2976 | |
| 2977 | int Context::getSupportedMultisampleCount(int requested) |
| 2978 | { |
| 2979 | int supported = 0; |
| 2980 | |
| 2981 | for(int i = NUM_MULTISAMPLE_COUNTS - 1; i >= 0; i--) |
| 2982 | { |
| 2983 | if(supported >= requested) |
| 2984 | { |
| 2985 | return supported; |
| 2986 | } |
| 2987 | |
| 2988 | supported = multisampleCount[i]; |
| 2989 | } |
| 2990 | |
| 2991 | return supported; |
| 2992 | } |
| 2993 | |
| 2994 | void Context::detachBuffer(GLuint buffer) |
| 2995 | { |
| 2996 | // [OpenGL ES 2.0.24] section 2.9 page 22: |
| 2997 | // If a buffer object is deleted while it is bound, all bindings to that object in the current context |
| 2998 | // (i.e. in the thread that called Delete-Buffers) are reset to zero. |
| 2999 | |
| 3000 | if(mState.arrayBuffer.name() == buffer) |
| 3001 | { |
| 3002 | mState.arrayBuffer = nullptr; |
| 3003 | } |
| 3004 | |
| 3005 | if(mState.elementArrayBuffer.name() == buffer) |
| 3006 | { |
| 3007 | mState.elementArrayBuffer = nullptr; |
| 3008 | } |
| 3009 | |
| 3010 | for(int attribute = 0; attribute < MAX_VERTEX_ATTRIBS; attribute++) |
| 3011 | { |
| 3012 | if(mState.vertexAttribute[attribute].mBoundBuffer.name() == buffer) |
| 3013 | { |
| 3014 | mState.vertexAttribute[attribute].mBoundBuffer = nullptr; |
| 3015 | } |
| 3016 | } |
| 3017 | } |
| 3018 | |
| 3019 | void Context::detachTexture(GLuint texture) |
| 3020 | { |
| 3021 | // [OpenGL ES 2.0.24] section 3.8 page 84: |
| 3022 | // If a texture object is deleted, it is as if all texture units which are bound to that texture object are |
| 3023 | // rebound to texture object zero |
| 3024 | |
| 3025 | for(int type = 0; type < TEXTURE_TYPE_COUNT; type++) |
| 3026 | { |
| 3027 | for(int sampler = 0; sampler < MAX_TEXTURE_UNITS; sampler++) |
| 3028 | { |
| 3029 | if(mState.samplerTexture[type][sampler].name() == texture) |
| 3030 | { |
| 3031 | mState.samplerTexture[type][sampler] = nullptr; |
| 3032 | } |
| 3033 | } |
| 3034 | } |
| 3035 | |
| 3036 | // [OpenGL ES 2.0.24] section 4.4 page 112: |
| 3037 | // If a texture object is deleted while its image is attached to the currently bound framebuffer, then it is |
| 3038 | // as if FramebufferTexture2D had been called, with a texture of 0, for each attachment point to which this |
| 3039 | // image was attached in the currently bound framebuffer. |
| 3040 | |
| 3041 | Framebuffer *framebuffer = getFramebuffer(); |
| 3042 | |
| 3043 | if(framebuffer) |
| 3044 | { |
| 3045 | framebuffer->detachTexture(texture); |
| 3046 | } |
| 3047 | } |
| 3048 | |
| 3049 | void Context::detachFramebuffer(GLuint framebuffer) |
| 3050 | { |
| 3051 | // [OpenGL ES 2.0.24] section 4.4 page 107: |
| 3052 | // If a framebuffer that is currently bound to the target FRAMEBUFFER is deleted, it is as though |
| 3053 | // BindFramebuffer had been executed with the target of FRAMEBUFFER and framebuffer of zero. |
| 3054 | |
| 3055 | if(mState.framebuffer == framebuffer) |
| 3056 | { |
| 3057 | bindFramebuffer(0); |
| 3058 | } |
| 3059 | } |
| 3060 | |
| 3061 | void Context::detachRenderbuffer(GLuint renderbuffer) |
| 3062 | { |
| 3063 | // [OpenGL ES 2.0.24] section 4.4 page 109: |
| 3064 | // If a renderbuffer that is currently bound to RENDERBUFFER is deleted, it is as though BindRenderbuffer |
| 3065 | // had been executed with the target RENDERBUFFER and name of zero. |
| 3066 | |
| 3067 | if(mState.renderbuffer.name() == renderbuffer) |
| 3068 | { |
| 3069 | bindRenderbuffer(0); |
| 3070 | } |
| 3071 | |
| 3072 | // [OpenGL ES 2.0.24] section 4.4 page 111: |
| 3073 | // If a renderbuffer object is deleted while its image is attached to the currently bound framebuffer, |
| 3074 | // then it is as if FramebufferRenderbuffer had been called, with a renderbuffer of 0, for each attachment |
| 3075 | // point to which this image was attached in the currently bound framebuffer. |
| 3076 | |
| 3077 | Framebuffer *framebuffer = getFramebuffer(); |
| 3078 | |
| 3079 | if(framebuffer) |
| 3080 | { |
| 3081 | framebuffer->detachRenderbuffer(renderbuffer); |
| 3082 | } |
| 3083 | } |
| 3084 | |
| 3085 | bool Context::cullSkipsDraw(GLenum drawMode) |
| 3086 | { |
| 3087 | return mState.cullFaceEnabled && mState.cullMode == GL_FRONT_AND_BACK && isTriangleMode(drawMode); |
| 3088 | } |
| 3089 | |
| 3090 | bool Context::isTriangleMode(GLenum drawMode) |
| 3091 | { |
| 3092 | switch(drawMode) |
| 3093 | { |
| 3094 | case GL_TRIANGLES: |
| 3095 | case GL_TRIANGLE_FAN: |
| 3096 | case GL_TRIANGLE_STRIP: |
| 3097 | return true; |
| 3098 | case GL_POINTS: |
| 3099 | case GL_LINES: |
| 3100 | case GL_LINE_LOOP: |
| 3101 | case GL_LINE_STRIP: |
| 3102 | return false; |
| 3103 | default: UNREACHABLE(drawMode); |
| 3104 | } |
| 3105 | |
| 3106 | return false; |
| 3107 | } |
| 3108 | |
| 3109 | void Context::setVertexAttrib(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
| 3110 | { |
| 3111 | ASSERT(index < MAX_VERTEX_ATTRIBS); |
| 3112 | |
| 3113 | mState.vertexAttribute[index].mCurrentValue[0] = x; |
| 3114 | mState.vertexAttribute[index].mCurrentValue[1] = y; |
| 3115 | mState.vertexAttribute[index].mCurrentValue[2] = z; |
| 3116 | mState.vertexAttribute[index].mCurrentValue[3] = w; |
| 3117 | |
| 3118 | mVertexDataManager->dirtyCurrentValue(index); |
| 3119 | } |
| 3120 | |
Nicolas Capens | 31c07a3 | 2017-06-13 23:44:13 -0400 | [diff] [blame] | 3121 | void Context::bindTexImage(gl::Surface *surface) |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 3122 | { |
| 3123 | es1::Texture2D *textureObject = getTexture2D(); |
| 3124 | |
| 3125 | if(textureObject) |
| 3126 | { |
| 3127 | textureObject->bindTexImage(surface); |
| 3128 | } |
| 3129 | } |
| 3130 | |
| 3131 | EGLenum Context::validateSharedImage(EGLenum target, GLuint name, GLuint textureLevel) |
| 3132 | { |
| 3133 | switch(target) |
| 3134 | { |
| 3135 | case EGL_GL_TEXTURE_2D_KHR: |
| 3136 | break; |
| 3137 | case EGL_GL_RENDERBUFFER_KHR: |
| 3138 | break; |
| 3139 | default: |
| 3140 | return EGL_BAD_PARAMETER; |
| 3141 | } |
| 3142 | |
| 3143 | if(textureLevel >= IMPLEMENTATION_MAX_TEXTURE_LEVELS) |
| 3144 | { |
| 3145 | return EGL_BAD_MATCH; |
| 3146 | } |
| 3147 | |
| 3148 | if(target == EGL_GL_TEXTURE_2D_KHR) |
| 3149 | { |
| 3150 | Texture *texture = getTexture(name); |
| 3151 | |
| 3152 | if(!texture || texture->getTarget() != GL_TEXTURE_2D) |
| 3153 | { |
| 3154 | return EGL_BAD_PARAMETER; |
| 3155 | } |
| 3156 | |
| 3157 | if(texture->isShared(GL_TEXTURE_2D, textureLevel)) // Bound to an EGLSurface or already an EGLImage sibling |
| 3158 | { |
| 3159 | return EGL_BAD_ACCESS; |
| 3160 | } |
| 3161 | |
| 3162 | if(textureLevel != 0 && !texture->isSamplerComplete()) |
| 3163 | { |
| 3164 | return EGL_BAD_PARAMETER; |
| 3165 | } |
| 3166 | |
Nicolas Capens | b3f54e8 | 2017-12-19 13:38:18 -0500 | [diff] [blame] | 3167 | if(textureLevel == 0 && !(texture->isSamplerComplete() && texture->getTopLevel() == 0)) |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 3168 | { |
| 3169 | return EGL_BAD_PARAMETER; |
| 3170 | } |
| 3171 | } |
| 3172 | else if(target == EGL_GL_RENDERBUFFER_KHR) |
| 3173 | { |
| 3174 | Renderbuffer *renderbuffer = getRenderbuffer(name); |
| 3175 | |
| 3176 | if(!renderbuffer) |
| 3177 | { |
| 3178 | return EGL_BAD_PARAMETER; |
| 3179 | } |
| 3180 | |
| 3181 | if(renderbuffer->isShared()) // Already an EGLImage sibling |
| 3182 | { |
| 3183 | return EGL_BAD_ACCESS; |
| 3184 | } |
| 3185 | } |
| 3186 | else UNREACHABLE(target); |
| 3187 | |
| 3188 | return EGL_SUCCESS; |
| 3189 | } |
| 3190 | |
| 3191 | egl::Image *Context::createSharedImage(EGLenum target, GLuint name, GLuint textureLevel) |
| 3192 | { |
| 3193 | if(target == EGL_GL_TEXTURE_2D_KHR) |
| 3194 | { |
| 3195 | es1::Texture *texture = getTexture(name); |
| 3196 | |
| 3197 | return texture->createSharedImage(GL_TEXTURE_2D, textureLevel); |
| 3198 | } |
| 3199 | else if(target == EGL_GL_RENDERBUFFER_KHR) |
| 3200 | { |
| 3201 | es1::Renderbuffer *renderbuffer = getRenderbuffer(name); |
| 3202 | |
| 3203 | return renderbuffer->createSharedImage(); |
| 3204 | } |
| 3205 | else UNREACHABLE(target); |
| 3206 | |
Nicolas Capens | 58df2f6 | 2016-06-07 14:48:56 -0400 | [diff] [blame] | 3207 | return nullptr; |
| 3208 | } |
| 3209 | |
| 3210 | egl::Image *Context::getSharedImage(GLeglImageOES image) |
| 3211 | { |
| 3212 | return display->getSharedImage(image); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 3213 | } |
| 3214 | |
| 3215 | Device *Context::getDevice() |
| 3216 | { |
| 3217 | return device; |
| 3218 | } |
| 3219 | |
| 3220 | void Context::setMatrixMode(GLenum mode) |
| 3221 | { |
| 3222 | matrixMode = mode; |
| 3223 | } |
| 3224 | |
| 3225 | sw::MatrixStack &Context::currentMatrixStack() |
| 3226 | { |
| 3227 | switch(matrixMode) |
| 3228 | { |
| 3229 | case GL_MODELVIEW: |
| 3230 | return modelViewStack; |
| 3231 | case GL_PROJECTION: |
| 3232 | return projectionStack; |
| 3233 | case GL_TEXTURE: |
| 3234 | switch(mState.activeSampler) |
| 3235 | { |
| 3236 | case 0: return textureStack0; |
| 3237 | case 1: return textureStack1; |
| 3238 | } |
| 3239 | break; |
| 3240 | } |
| 3241 | |
| 3242 | UNREACHABLE(matrixMode); |
| 3243 | return textureStack0; |
| 3244 | } |
| 3245 | |
| 3246 | void Context::loadIdentity() |
| 3247 | { |
| 3248 | currentMatrixStack().identity(); |
| 3249 | } |
| 3250 | |
| 3251 | void Context::load(const GLfloat *m) |
| 3252 | { |
| 3253 | currentMatrixStack().load(m); |
| 3254 | } |
| 3255 | |
| 3256 | void Context::pushMatrix() |
| 3257 | { |
| 3258 | if(!currentMatrixStack().push()) |
| 3259 | { |
| 3260 | return error(GL_STACK_OVERFLOW); |
| 3261 | } |
| 3262 | } |
| 3263 | |
| 3264 | void Context::popMatrix() |
| 3265 | { |
| 3266 | if(!currentMatrixStack().pop()) |
| 3267 | { |
| 3268 | return error(GL_STACK_OVERFLOW); |
| 3269 | } |
| 3270 | } |
| 3271 | |
| 3272 | void Context::rotate(GLfloat angle, GLfloat x, GLfloat y, GLfloat z) |
| 3273 | { |
| 3274 | currentMatrixStack().rotate(angle, x, y, z); |
| 3275 | } |
| 3276 | |
| 3277 | void Context::translate(GLfloat x, GLfloat y, GLfloat z) |
| 3278 | { |
| 3279 | currentMatrixStack().translate(x, y, z); |
| 3280 | } |
| 3281 | |
| 3282 | void Context::scale(GLfloat x, GLfloat y, GLfloat z) |
| 3283 | { |
| 3284 | currentMatrixStack().scale(x, y, z); |
| 3285 | } |
| 3286 | |
| 3287 | void Context::multiply(const GLfloat *m) |
| 3288 | { |
| 3289 | currentMatrixStack().multiply(m); |
| 3290 | } |
| 3291 | |
| 3292 | void Context::frustum(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat zNear, GLfloat zFar) |
| 3293 | { |
| 3294 | currentMatrixStack().frustum(left, right, bottom, top, zNear, zFar); |
| 3295 | } |
| 3296 | |
| 3297 | void Context::ortho(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat zNear, GLfloat zFar) |
| 3298 | { |
| 3299 | currentMatrixStack().ortho(left, right, bottom, top, zNear, zFar); |
| 3300 | } |
| 3301 | |
| 3302 | void Context::setClipPlane(int index, const float plane[4]) |
| 3303 | { |
| 3304 | sw::Plane clipPlane = modelViewStack.current() * sw::Plane(plane); |
| 3305 | device->setClipPlane(index, &clipPlane.A); |
| 3306 | } |
| 3307 | |
| 3308 | void Context::setClipPlaneEnabled(int index, bool enable) |
| 3309 | { |
| 3310 | clipFlags = (clipFlags & ~((int)!enable << index)) | ((int)enable << index); |
| 3311 | device->setClipFlags(clipFlags); |
| 3312 | } |
| 3313 | |
| 3314 | bool Context::isClipPlaneEnabled(int index) const |
| 3315 | { |
| 3316 | return (clipFlags & (1 << index)) != 0; |
| 3317 | } |
| 3318 | |
| 3319 | void Context::setColorLogicOpEnabled(bool enable) |
| 3320 | { |
| 3321 | colorLogicOpEnabled = enable; |
| 3322 | } |
| 3323 | |
| 3324 | bool Context::isColorLogicOpEnabled() const |
| 3325 | { |
| 3326 | return colorLogicOpEnabled; |
| 3327 | } |
| 3328 | |
| 3329 | void Context::setLogicalOperation(GLenum logicOp) |
| 3330 | { |
| 3331 | logicalOperation = logicOp; |
| 3332 | } |
| 3333 | |
| 3334 | void Context::setLineSmoothEnabled(bool enable) |
| 3335 | { |
| 3336 | lineSmoothEnabled = enable; |
| 3337 | } |
| 3338 | |
| 3339 | bool Context::isLineSmoothEnabled() const |
| 3340 | { |
| 3341 | return lineSmoothEnabled; |
| 3342 | } |
| 3343 | |
| 3344 | void Context::setColorMaterialEnabled(bool enable) |
| 3345 | { |
| 3346 | colorMaterialEnabled = enable; |
| 3347 | } |
| 3348 | |
| 3349 | bool Context::isColorMaterialEnabled() const |
| 3350 | { |
| 3351 | return colorMaterialEnabled; |
| 3352 | } |
| 3353 | |
| 3354 | void Context::setNormalizeEnabled(bool enable) |
| 3355 | { |
| 3356 | normalizeEnabled = enable; |
| 3357 | } |
| 3358 | |
| 3359 | bool Context::isNormalizeEnabled() const |
| 3360 | { |
| 3361 | return normalizeEnabled; |
| 3362 | } |
| 3363 | |
| 3364 | void Context::setRescaleNormalEnabled(bool enable) |
| 3365 | { |
| 3366 | rescaleNormalEnabled = enable; |
| 3367 | } |
| 3368 | |
| 3369 | bool Context::isRescaleNormalEnabled() const |
| 3370 | { |
| 3371 | return rescaleNormalEnabled; |
| 3372 | } |
| 3373 | |
| 3374 | void Context::setVertexArrayEnabled(bool enable) |
| 3375 | { |
| 3376 | mState.vertexAttribute[sw::Position].mArrayEnabled = enable; |
| 3377 | } |
| 3378 | |
| 3379 | bool Context::isVertexArrayEnabled() const |
| 3380 | { |
| 3381 | return mState.vertexAttribute[sw::Position].mArrayEnabled; |
| 3382 | } |
| 3383 | |
| 3384 | void Context::setNormalArrayEnabled(bool enable) |
| 3385 | { |
| 3386 | mState.vertexAttribute[sw::Normal].mArrayEnabled = enable; |
| 3387 | } |
| 3388 | |
| 3389 | bool Context::isNormalArrayEnabled() const |
| 3390 | { |
| 3391 | return mState.vertexAttribute[sw::Normal].mArrayEnabled; |
| 3392 | } |
| 3393 | |
| 3394 | void Context::setColorArrayEnabled(bool enable) |
| 3395 | { |
| 3396 | mState.vertexAttribute[sw::Color0].mArrayEnabled = enable; |
| 3397 | } |
| 3398 | |
| 3399 | bool Context::isColorArrayEnabled() const |
| 3400 | { |
| 3401 | return mState.vertexAttribute[sw::Color0].mArrayEnabled; |
| 3402 | } |
| 3403 | |
| 3404 | void Context::setPointSizeArrayEnabled(bool enable) |
| 3405 | { |
| 3406 | mState.vertexAttribute[sw::PointSize].mArrayEnabled = enable; |
| 3407 | } |
| 3408 | |
| 3409 | bool Context::isPointSizeArrayEnabled() const |
| 3410 | { |
| 3411 | return mState.vertexAttribute[sw::PointSize].mArrayEnabled; |
| 3412 | } |
| 3413 | |
| 3414 | void Context::setTextureCoordArrayEnabled(bool enable) |
| 3415 | { |
| 3416 | mState.vertexAttribute[sw::TexCoord0 + clientTexture].mArrayEnabled = enable; |
| 3417 | } |
| 3418 | |
| 3419 | bool Context::isTextureCoordArrayEnabled() const |
| 3420 | { |
| 3421 | return mState.vertexAttribute[sw::TexCoord0 + clientTexture].mArrayEnabled; |
| 3422 | } |
| 3423 | |
| 3424 | void Context::setMultisampleEnabled(bool enable) |
| 3425 | { |
| 3426 | multisampleEnabled = enable; |
| 3427 | } |
| 3428 | |
| 3429 | bool Context::isMultisampleEnabled() const |
| 3430 | { |
| 3431 | return multisampleEnabled; |
| 3432 | } |
| 3433 | |
| 3434 | void Context::setSampleAlphaToOneEnabled(bool enable) |
| 3435 | { |
| 3436 | sampleAlphaToOneEnabled = enable; |
| 3437 | } |
| 3438 | |
| 3439 | bool Context::isSampleAlphaToOneEnabled() const |
| 3440 | { |
| 3441 | return sampleAlphaToOneEnabled; |
| 3442 | } |
| 3443 | |
| 3444 | void Context::setPointSpriteEnabled(bool enable) |
| 3445 | { |
| 3446 | pointSpriteEnabled = enable; |
| 3447 | } |
| 3448 | |
| 3449 | bool Context::isPointSpriteEnabled() const |
| 3450 | { |
| 3451 | return pointSpriteEnabled; |
| 3452 | } |
| 3453 | |
| 3454 | void Context::setPointSmoothEnabled(bool enable) |
| 3455 | { |
| 3456 | pointSmoothEnabled = enable; |
| 3457 | } |
| 3458 | |
| 3459 | bool Context::isPointSmoothEnabled() const |
| 3460 | { |
| 3461 | return pointSmoothEnabled; |
| 3462 | } |
| 3463 | |
| 3464 | void Context::setPointSizeMin(float min) |
| 3465 | { |
| 3466 | pointSizeMin = min; |
| 3467 | } |
| 3468 | |
| 3469 | void Context::setPointSizeMax(float max) |
| 3470 | { |
| 3471 | pointSizeMax = max; |
| 3472 | } |
| 3473 | |
| 3474 | void Context::setPointDistanceAttenuation(float a, float b, float c) |
| 3475 | { |
| 3476 | pointDistanceAttenuation = {a, b, c}; |
| 3477 | } |
| 3478 | |
| 3479 | void Context::setPointFadeThresholdSize(float threshold) |
| 3480 | { |
| 3481 | pointFadeThresholdSize = threshold; |
| 3482 | } |
| 3483 | |
| 3484 | void Context::clientActiveTexture(GLenum texture) |
| 3485 | { |
| 3486 | clientTexture = texture; |
| 3487 | } |
| 3488 | |
| 3489 | GLenum Context::getClientActiveTexture() const |
| 3490 | { |
| 3491 | return clientTexture; |
| 3492 | } |
| 3493 | |
| 3494 | unsigned int Context::getActiveTexture() const |
| 3495 | { |
| 3496 | return mState.activeSampler; |
| 3497 | } |
| 3498 | |
| 3499 | } |
| 3500 | |
Nicolas Capens | f6a377b | 2017-05-19 09:31:35 -0400 | [diff] [blame] | 3501 | egl::Context *es1CreateContext(egl::Display *display, const egl::Context *shareContext, const egl::Config *config) |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 3502 | { |
| 3503 | ASSERT(!shareContext || shareContext->getClientVersion() == 1); // Should be checked by eglCreateContext |
Nicolas Capens | f6a377b | 2017-05-19 09:31:35 -0400 | [diff] [blame] | 3504 | return new es1::Context(display, static_cast<const es1::Context*>(shareContext), config); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 3505 | } |