1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 33 #if ENABLE(WEBGL) 34 35 #include "GraphicsContext3D.h" 36 37 #include "CachedImage.h" 38 #include "WebGLLayerChromium.h" 39 #include "CanvasRenderingContext.h" 40 #include "Chrome.h" 41 #include "ChromeClientImpl.h" 42 #include "Extensions3DChromium.h" 43 #include "GraphicsContext3DInternal.h" 44 #include "HTMLCanvasElement.h" 45 #include "HTMLImageElement.h" 46 #include "ImageBuffer.h" 47 #include "ImageData.h" 48 #include "WebGraphicsContext3D.h" 49 #include "WebKit.h" 50 #include "WebKitClient.h" 51 #include "WebViewImpl.h" 52 53 #include <stdio.h> 54 #include <wtf/FastMalloc.h> 55 #include <wtf/text/CString.h> 56 57 #if USE(CG) 58 #include "GraphicsContext.h" 59 #include "WebGLRenderingContext.h" 60 #include <CoreGraphics/CGContext.h> 61 #include <CoreGraphics/CGImage.h> 62 #endif 63 64 // There are two levels of delegation in this file: 65 // 66 // 1. GraphicsContext3D delegates to GraphicsContext3DInternal. This is done 67 // so that we have some place to store data members common among 68 // implementations; GraphicsContext3D only provides us the m_internal 69 // pointer. We always delegate to the GraphicsContext3DInternal. While we 70 // could sidestep it and go directly to the WebGraphicsContext3D in some 71 // cases, it is better for consistency to always delegate through it. 72 // 73 // 2. GraphicsContext3DInternal delegates to an implementation of 74 // WebGraphicsContext3D. This is done so we have a place to inject an 75 // implementation which remotes the OpenGL calls across processes. 76 77 namespace WebCore { 78 79 //---------------------------------------------------------------------- 80 // GraphicsContext3DInternal 81 82 GraphicsContext3DInternal::GraphicsContext3DInternal() 83 : m_webViewImpl(0) 84 , m_initializedAvailableExtensions(false) 85 , m_layerComposited(false) 86 #if USE(SKIA) 87 #elif USE(CG) 88 , m_renderOutput(0) 89 #else 90 #error Must port to your platform 91 #endif 92 { 93 } 94 95 GraphicsContext3DInternal::~GraphicsContext3DInternal() 96 { 97 #if USE(CG) 98 if (m_renderOutput) 99 delete[] m_renderOutput; 100 #endif 101 } 102 103 bool GraphicsContext3DInternal::initialize(GraphicsContext3D::Attributes attrs, HostWindow* hostWindow, bool renderDirectlyToHostWindow) 104 { 105 WebKit::WebGraphicsContext3D::Attributes webAttributes; 106 webAttributes.alpha = attrs.alpha; 107 webAttributes.depth = attrs.depth; 108 webAttributes.stencil = attrs.stencil; 109 webAttributes.antialias = attrs.antialias; 110 webAttributes.premultipliedAlpha = attrs.premultipliedAlpha; 111 webAttributes.canRecoverFromContextLoss = attrs.canRecoverFromContextLoss; 112 WebKit::WebGraphicsContext3D* webContext = WebKit::webKitClient()->createGraphicsContext3D(); 113 if (!webContext) 114 return false; 115 116 Chrome* chrome = static_cast<Chrome*>(hostWindow); 117 m_webViewImpl = static_cast<WebKit::WebViewImpl*>(chrome->client()->webView()); 118 119 if (!m_webViewImpl) 120 return false; 121 if (!webContext->initialize(webAttributes, m_webViewImpl, renderDirectlyToHostWindow)) { 122 delete webContext; 123 return false; 124 } 125 m_impl.set(webContext); 126 127 #if USE(ACCELERATED_COMPOSITING) 128 m_compositingLayer = WebGLLayerChromium::create(0); 129 #endif 130 return true; 131 } 132 133 WebKit::WebGraphicsContext3D* GraphicsContext3DInternal::extractWebGraphicsContext3D(GraphicsContext3D* context) 134 { 135 if (!context) 136 return 0; 137 return context->m_internal->m_impl.get(); 138 } 139 140 PlatformGraphicsContext3D GraphicsContext3DInternal::platformGraphicsContext3D() const 141 { 142 return m_impl.get(); 143 } 144 145 Platform3DObject GraphicsContext3DInternal::platformTexture() const 146 { 147 return m_impl->getPlatformTextureId(); 148 } 149 150 void GraphicsContext3DInternal::prepareTexture() 151 { 152 m_impl->prepareTexture(); 153 } 154 155 #if USE(ACCELERATED_COMPOSITING) 156 WebGLLayerChromium* GraphicsContext3DInternal::platformLayer() const 157 { 158 return m_compositingLayer.get(); 159 } 160 #endif 161 162 void GraphicsContext3DInternal::markContextChanged() 163 { 164 #if USE(ACCELERATED_COMPOSITING) 165 platformLayer()->setTextureUpdated(); 166 #endif 167 m_layerComposited = false; 168 } 169 170 void GraphicsContext3DInternal::markLayerComposited() 171 { 172 m_layerComposited = true; 173 } 174 175 bool GraphicsContext3DInternal::layerComposited() const 176 { 177 return m_layerComposited; 178 } 179 180 void GraphicsContext3DInternal::paintRenderingResultsToCanvas(CanvasRenderingContext* context) 181 { 182 HTMLCanvasElement* canvas = context->canvas(); 183 ImageBuffer* imageBuffer = canvas->buffer(); 184 unsigned char* pixels = 0; 185 #if USE(SKIA) 186 const SkBitmap* canvasBitmap = imageBuffer->context()->platformContext()->bitmap(); 187 const SkBitmap* readbackBitmap = 0; 188 ASSERT(canvasBitmap->config() == SkBitmap::kARGB_8888_Config); 189 if (canvasBitmap->width() == m_impl->width() && canvasBitmap->height() == m_impl->height()) { 190 // This is the fastest and most common case. We read back 191 // directly into the canvas's backing store. 192 readbackBitmap = canvasBitmap; 193 m_resizingBitmap.reset(); 194 } else { 195 // We need to allocate a temporary bitmap for reading back the 196 // pixel data. We will then use Skia to rescale this bitmap to 197 // the size of the canvas's backing store. 198 if (m_resizingBitmap.width() != m_impl->width() || m_resizingBitmap.height() != m_impl->height()) { 199 m_resizingBitmap.setConfig(SkBitmap::kARGB_8888_Config, 200 m_impl->width(), 201 m_impl->height()); 202 if (!m_resizingBitmap.allocPixels()) 203 return; 204 } 205 readbackBitmap = &m_resizingBitmap; 206 } 207 208 // Read back the frame buffer. 209 SkAutoLockPixels bitmapLock(*readbackBitmap); 210 pixels = static_cast<unsigned char*>(readbackBitmap->getPixels()); 211 #elif USE(CG) 212 if (m_renderOutput) 213 pixels = m_renderOutput; 214 #else 215 #error Must port to your platform 216 #endif 217 218 m_impl->readBackFramebuffer(pixels, 4 * m_impl->width() * m_impl->height()); 219 220 if (!m_impl->getContextAttributes().premultipliedAlpha) { 221 size_t bufferSize = 4 * m_impl->width() * m_impl->height(); 222 223 for (size_t i = 0; i < bufferSize; i += 4) { 224 pixels[i + 0] = std::min(255, pixels[i + 0] * pixels[i + 3] / 255); 225 pixels[i + 1] = std::min(255, pixels[i + 1] * pixels[i + 3] / 255); 226 pixels[i + 2] = std::min(255, pixels[i + 2] * pixels[i + 3] / 255); 227 } 228 } 229 230 #if USE(SKIA) 231 readbackBitmap->notifyPixelsChanged(); 232 if (m_resizingBitmap.readyToDraw()) { 233 // We need to draw the resizing bitmap into the canvas's backing store. 234 SkCanvas canvas(*canvasBitmap); 235 SkRect dst; 236 dst.set(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(canvasBitmap->width()), SkIntToScalar(canvasBitmap->height())); 237 canvas.drawBitmapRect(m_resizingBitmap, 0, dst); 238 } 239 #elif USE(CG) 240 if (m_renderOutput && context->is3d()) { 241 WebGLRenderingContext* webGLContext = static_cast<WebGLRenderingContext*>(context); 242 webGLContext->graphicsContext3D()->paintToCanvas(m_renderOutput, m_impl->width(), m_impl->height(), canvas->width(), canvas->height(), imageBuffer->context()->platformContext()); 243 } 244 #else 245 #error Must port to your platform 246 #endif 247 } 248 249 PassRefPtr<ImageData> GraphicsContext3DInternal::paintRenderingResultsToImageData() 250 { 251 if (m_impl->getContextAttributes().premultipliedAlpha) 252 return 0; 253 254 RefPtr<ImageData> imageData = ImageData::create(IntSize(m_impl->width(), m_impl->height())); 255 unsigned char* pixels = imageData->data()->data()->data(); 256 size_t bufferSize = 4 * m_impl->width() * m_impl->height(); 257 258 m_impl->readBackFramebuffer(pixels, bufferSize); 259 260 for (size_t i = 0; i < bufferSize; i += 4) 261 std::swap(pixels[i], pixels[i + 2]); 262 263 return imageData.release(); 264 } 265 266 bool GraphicsContext3DInternal::paintsIntoCanvasBuffer() const 267 { 268 // If the gpu compositor is on then skip the readback and software rendering path. 269 return !m_webViewImpl->isAcceleratedCompositingActive(); 270 } 271 272 void GraphicsContext3DInternal::reshape(int width, int height) 273 { 274 if (width == m_impl->width() && height == m_impl->height()) 275 return; 276 277 m_impl->reshape(width, height); 278 279 #if USE(CG) 280 // Need to reallocate the client-side backing store. 281 // FIXME: make this more efficient. 282 if (m_renderOutput) { 283 delete[] m_renderOutput; 284 m_renderOutput = 0; 285 } 286 int rowBytes = width * 4; 287 m_renderOutput = new unsigned char[height * rowBytes]; 288 #endif // USE(CG) 289 } 290 291 IntSize GraphicsContext3DInternal::getInternalFramebufferSize() 292 { 293 return IntSize(m_impl->width(), m_impl->height()); 294 } 295 296 bool GraphicsContext3DInternal::isContextLost() 297 { 298 return m_impl->isContextLost(); 299 } 300 301 // Macros to assist in delegating from GraphicsContext3DInternal to 302 // WebGraphicsContext3D. 303 304 #define DELEGATE_TO_IMPL(name) \ 305 void GraphicsContext3DInternal::name() \ 306 { \ 307 m_impl->name(); \ 308 } 309 310 #define DELEGATE_TO_IMPL_R(name, rt) \ 311 rt GraphicsContext3DInternal::name() \ 312 { \ 313 return m_impl->name(); \ 314 } 315 316 #define DELEGATE_TO_IMPL_1(name, t1) \ 317 void GraphicsContext3DInternal::name(t1 a1) \ 318 { \ 319 m_impl->name(a1); \ 320 } 321 322 #define DELEGATE_TO_IMPL_1R(name, t1, rt) \ 323 rt GraphicsContext3DInternal::name(t1 a1) \ 324 { \ 325 return m_impl->name(a1); \ 326 } 327 328 #define DELEGATE_TO_IMPL_2(name, t1, t2) \ 329 void GraphicsContext3DInternal::name(t1 a1, t2 a2) \ 330 { \ 331 m_impl->name(a1, a2); \ 332 } 333 334 #define DELEGATE_TO_IMPL_2R(name, t1, t2, rt) \ 335 rt GraphicsContext3DInternal::name(t1 a1, t2 a2) \ 336 { \ 337 return m_impl->name(a1, a2); \ 338 } 339 340 #define DELEGATE_TO_IMPL_3(name, t1, t2, t3) \ 341 void GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3) \ 342 { \ 343 m_impl->name(a1, a2, a3); \ 344 } 345 346 #define DELEGATE_TO_IMPL_3R(name, t1, t2, t3, rt) \ 347 rt GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3) \ 348 { \ 349 return m_impl->name(a1, a2, a3); \ 350 } 351 352 #define DELEGATE_TO_IMPL_4(name, t1, t2, t3, t4) \ 353 void GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4) \ 354 { \ 355 m_impl->name(a1, a2, a3, a4); \ 356 } 357 358 #define DELEGATE_TO_IMPL_4R(name, t1, t2, t3, t4, rt) \ 359 rt GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4) \ 360 { \ 361 return m_impl->name(a1, a2, a3, a4); \ 362 } 363 364 #define DELEGATE_TO_IMPL_5(name, t1, t2, t3, t4, t5) \ 365 void GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5) \ 366 { \ 367 m_impl->name(a1, a2, a3, a4, a5); \ 368 } 369 370 #define DELEGATE_TO_IMPL_5R(name, t1, t2, t3, t4, t5, rt) \ 371 rt GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5) \ 372 { \ 373 return m_impl->name(a1, a2, a3, a4, a5); \ 374 } 375 376 #define DELEGATE_TO_IMPL_6(name, t1, t2, t3, t4, t5, t6) \ 377 void GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6) \ 378 { \ 379 m_impl->name(a1, a2, a3, a4, a5, a6); \ 380 } 381 382 #define DELEGATE_TO_IMPL_6R(name, t1, t2, t3, t4, t5, t6, rt) \ 383 rt GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6) \ 384 { \ 385 return m_impl->name(a1, a2, a3, a4, a5, a6); \ 386 } 387 388 #define DELEGATE_TO_IMPL_7(name, t1, t2, t3, t4, t5, t6, t7) \ 389 void GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7) \ 390 { \ 391 m_impl->name(a1, a2, a3, a4, a5, a6, a7); \ 392 } 393 394 #define DELEGATE_TO_IMPL_7R(name, t1, t2, t3, t4, t5, t6, t7, rt) \ 395 rt GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7) \ 396 { \ 397 return m_impl->name(a1, a2, a3, a4, a5, a6, a7); \ 398 } 399 400 #define DELEGATE_TO_IMPL_8(name, t1, t2, t3, t4, t5, t6, t7, t8) \ 401 void GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8) \ 402 { \ 403 m_impl->name(a1, a2, a3, a4, a5, a6, a7, a8); \ 404 } 405 406 #define DELEGATE_TO_IMPL_9R(name, t1, t2, t3, t4, t5, t6, t7, t8, t9, rt) \ 407 rt GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8, t9 a9) \ 408 { \ 409 return m_impl->name(a1, a2, a3, a4, a5, a6, a7, a8, a9); \ 410 } 411 412 #define DELEGATE_TO_IMPL_10(name, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10) \ 413 void GraphicsContext3DInternal::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8, t9 a9, t10 a10) \ 414 { \ 415 m_impl->name(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); \ 416 } 417 418 DELEGATE_TO_IMPL_R(makeContextCurrent, bool) 419 420 bool GraphicsContext3DInternal::isGLES2Compliant() const 421 { 422 return m_impl->isGLES2Compliant(); 423 } 424 425 DELEGATE_TO_IMPL_1(activeTexture, GC3Denum) 426 DELEGATE_TO_IMPL_2(attachShader, Platform3DObject, Platform3DObject) 427 428 void GraphicsContext3DInternal::bindAttribLocation(Platform3DObject program, GC3Duint index, const String& name) 429 { 430 m_impl->bindAttribLocation(program, index, name.utf8().data()); 431 } 432 433 DELEGATE_TO_IMPL_2(bindBuffer, GC3Denum, Platform3DObject) 434 DELEGATE_TO_IMPL_2(bindFramebuffer, GC3Denum, Platform3DObject) 435 DELEGATE_TO_IMPL_2(bindRenderbuffer, GC3Denum, Platform3DObject) 436 DELEGATE_TO_IMPL_2(bindTexture, GC3Denum, Platform3DObject) 437 DELEGATE_TO_IMPL_4(blendColor, GC3Dclampf, GC3Dclampf, GC3Dclampf, GC3Dclampf) 438 DELEGATE_TO_IMPL_1(blendEquation, GC3Denum) 439 DELEGATE_TO_IMPL_2(blendEquationSeparate, GC3Denum, GC3Denum) 440 DELEGATE_TO_IMPL_2(blendFunc, GC3Denum, GC3Denum) 441 DELEGATE_TO_IMPL_4(blendFuncSeparate, GC3Denum, GC3Denum, GC3Denum, GC3Denum) 442 443 void GraphicsContext3DInternal::bufferData(GC3Denum target, GC3Dsizeiptr size, GC3Denum usage) 444 { 445 m_impl->bufferData(target, size, 0, usage); 446 } 447 448 void GraphicsContext3DInternal::bufferData(GC3Denum target, GC3Dsizeiptr size, const void* data, GC3Denum usage) 449 { 450 m_impl->bufferData(target, size, data, usage); 451 } 452 453 void GraphicsContext3DInternal::bufferSubData(GC3Denum target, GC3Dintptr offset, GC3Dsizeiptr size, const void* data) 454 { 455 m_impl->bufferSubData(target, offset, size, data); 456 } 457 458 DELEGATE_TO_IMPL_1R(checkFramebufferStatus, GC3Denum, GC3Denum) 459 DELEGATE_TO_IMPL_1(clear, GC3Dbitfield) 460 DELEGATE_TO_IMPL_4(clearColor, GC3Dclampf, GC3Dclampf, GC3Dclampf, GC3Dclampf) 461 DELEGATE_TO_IMPL_1(clearDepth, GC3Dclampf) 462 DELEGATE_TO_IMPL_1(clearStencil, GC3Dint) 463 DELEGATE_TO_IMPL_4(colorMask, GC3Dboolean, GC3Dboolean, GC3Dboolean, GC3Dboolean) 464 DELEGATE_TO_IMPL_1(compileShader, Platform3DObject) 465 466 DELEGATE_TO_IMPL_8(copyTexImage2D, GC3Denum, GC3Dint, GC3Denum, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Dint) 467 DELEGATE_TO_IMPL_8(copyTexSubImage2D, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 468 DELEGATE_TO_IMPL_1(cullFace, GC3Denum) 469 DELEGATE_TO_IMPL_1(depthFunc, GC3Denum) 470 DELEGATE_TO_IMPL_1(depthMask, GC3Dboolean) 471 DELEGATE_TO_IMPL_2(depthRange, GC3Dclampf, GC3Dclampf) 472 DELEGATE_TO_IMPL_2(detachShader, Platform3DObject, Platform3DObject) 473 DELEGATE_TO_IMPL_1(disable, GC3Denum) 474 DELEGATE_TO_IMPL_1(disableVertexAttribArray, GC3Duint) 475 DELEGATE_TO_IMPL_3(drawArrays, GC3Denum, GC3Dint, GC3Dsizei) 476 DELEGATE_TO_IMPL_4(drawElements, GC3Denum, GC3Dsizei, GC3Denum, GC3Dsizeiptr) 477 478 DELEGATE_TO_IMPL_1(enable, GC3Denum) 479 DELEGATE_TO_IMPL_1(enableVertexAttribArray, GC3Duint) 480 DELEGATE_TO_IMPL(finish) 481 DELEGATE_TO_IMPL(flush) 482 DELEGATE_TO_IMPL_4(framebufferRenderbuffer, GC3Denum, GC3Denum, GC3Denum, Platform3DObject) 483 DELEGATE_TO_IMPL_5(framebufferTexture2D, GC3Denum, GC3Denum, GC3Denum, Platform3DObject, GC3Dint) 484 DELEGATE_TO_IMPL_1(frontFace, GC3Denum) 485 DELEGATE_TO_IMPL_1(generateMipmap, GC3Denum) 486 487 bool GraphicsContext3DInternal::getActiveAttrib(Platform3DObject program, GC3Duint index, ActiveInfo& info) 488 { 489 WebKit::WebGraphicsContext3D::ActiveInfo webInfo; 490 if (!m_impl->getActiveAttrib(program, index, webInfo)) 491 return false; 492 info.name = webInfo.name; 493 info.type = webInfo.type; 494 info.size = webInfo.size; 495 return true; 496 } 497 498 bool GraphicsContext3DInternal::getActiveUniform(Platform3DObject program, GC3Duint index, ActiveInfo& info) 499 { 500 WebKit::WebGraphicsContext3D::ActiveInfo webInfo; 501 if (!m_impl->getActiveUniform(program, index, webInfo)) 502 return false; 503 info.name = webInfo.name; 504 info.type = webInfo.type; 505 info.size = webInfo.size; 506 return true; 507 } 508 509 DELEGATE_TO_IMPL_4(getAttachedShaders, Platform3DObject, GC3Dsizei, GC3Dsizei*, Platform3DObject*) 510 511 GC3Dint GraphicsContext3DInternal::getAttribLocation(Platform3DObject program, const String& name) 512 { 513 return m_impl->getAttribLocation(program, name.utf8().data()); 514 } 515 516 DELEGATE_TO_IMPL_2(getBooleanv, GC3Denum, GC3Dboolean*) 517 518 DELEGATE_TO_IMPL_3(getBufferParameteriv, GC3Denum, GC3Denum, GC3Dint*) 519 520 GraphicsContext3D::Attributes GraphicsContext3DInternal::getContextAttributes() 521 { 522 WebKit::WebGraphicsContext3D::Attributes webAttributes = m_impl->getContextAttributes(); 523 GraphicsContext3D::Attributes attributes; 524 attributes.alpha = webAttributes.alpha; 525 attributes.depth = webAttributes.depth; 526 attributes.stencil = webAttributes.stencil; 527 attributes.antialias = webAttributes.antialias; 528 attributes.premultipliedAlpha = webAttributes.premultipliedAlpha; 529 return attributes; 530 } 531 532 DELEGATE_TO_IMPL_R(getError, GC3Denum) 533 534 DELEGATE_TO_IMPL_2(getFloatv, GC3Denum, GC3Dfloat*) 535 536 DELEGATE_TO_IMPL_4(getFramebufferAttachmentParameteriv, GC3Denum, GC3Denum, GC3Denum, GC3Dint*) 537 538 DELEGATE_TO_IMPL_2(getIntegerv, GC3Denum, GC3Dint*) 539 540 DELEGATE_TO_IMPL_3(getProgramiv, Platform3DObject, GC3Denum, GC3Dint*) 541 542 String GraphicsContext3DInternal::getProgramInfoLog(Platform3DObject program) 543 { 544 return m_impl->getProgramInfoLog(program); 545 } 546 547 DELEGATE_TO_IMPL_3(getRenderbufferParameteriv, GC3Denum, GC3Denum, GC3Dint*) 548 549 DELEGATE_TO_IMPL_3(getShaderiv, Platform3DObject, GC3Denum, GC3Dint*) 550 551 String GraphicsContext3DInternal::getShaderInfoLog(Platform3DObject shader) 552 { 553 return m_impl->getShaderInfoLog(shader); 554 } 555 556 String GraphicsContext3DInternal::getShaderSource(Platform3DObject shader) 557 { 558 return m_impl->getShaderSource(shader); 559 } 560 561 String GraphicsContext3DInternal::getString(GC3Denum name) 562 { 563 return m_impl->getString(name); 564 } 565 566 DELEGATE_TO_IMPL_3(getTexParameterfv, GC3Denum, GC3Denum, GC3Dfloat*) 567 DELEGATE_TO_IMPL_3(getTexParameteriv, GC3Denum, GC3Denum, GC3Dint*) 568 569 DELEGATE_TO_IMPL_3(getUniformfv, Platform3DObject, GC3Dint, GC3Dfloat*) 570 DELEGATE_TO_IMPL_3(getUniformiv, Platform3DObject, GC3Dint, GC3Dint*) 571 572 GC3Dint GraphicsContext3DInternal::getUniformLocation(Platform3DObject program, const String& name) 573 { 574 return m_impl->getUniformLocation(program, name.utf8().data()); 575 } 576 577 DELEGATE_TO_IMPL_3(getVertexAttribfv, GC3Duint, GC3Denum, GC3Dfloat*) 578 DELEGATE_TO_IMPL_3(getVertexAttribiv, GC3Duint, GC3Denum, GC3Dint*) 579 580 DELEGATE_TO_IMPL_2R(getVertexAttribOffset, GC3Duint, GC3Denum, GC3Dsizeiptr) 581 582 DELEGATE_TO_IMPL_2(hint, GC3Denum, GC3Denum) 583 DELEGATE_TO_IMPL_1R(isBuffer, Platform3DObject, GC3Dboolean) 584 DELEGATE_TO_IMPL_1R(isEnabled, GC3Denum, GC3Dboolean) 585 DELEGATE_TO_IMPL_1R(isFramebuffer, Platform3DObject, GC3Dboolean) 586 DELEGATE_TO_IMPL_1R(isProgram, Platform3DObject, GC3Dboolean) 587 DELEGATE_TO_IMPL_1R(isRenderbuffer, Platform3DObject, GC3Dboolean) 588 DELEGATE_TO_IMPL_1R(isShader, Platform3DObject, GC3Dboolean) 589 DELEGATE_TO_IMPL_1R(isTexture, Platform3DObject, GC3Dboolean) 590 DELEGATE_TO_IMPL_1(lineWidth, GC3Dfloat) 591 DELEGATE_TO_IMPL_1(linkProgram, Platform3DObject) 592 DELEGATE_TO_IMPL_2(pixelStorei, GC3Denum, GC3Dint) 593 DELEGATE_TO_IMPL_2(polygonOffset, GC3Dfloat, GC3Dfloat) 594 DELEGATE_TO_IMPL_7(readPixels, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Denum, GC3Denum, void*) 595 DELEGATE_TO_IMPL(releaseShaderCompiler) 596 DELEGATE_TO_IMPL_4(renderbufferStorage, GC3Denum, GC3Denum, GC3Dsizei, GC3Dsizei) 597 DELEGATE_TO_IMPL_2(sampleCoverage, GC3Dclampf, GC3Dboolean) 598 DELEGATE_TO_IMPL_4(scissor, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 599 600 void GraphicsContext3DInternal::shaderSource(Platform3DObject shader, const String& string) 601 { 602 m_impl->shaderSource(shader, string.utf8().data()); 603 } 604 605 DELEGATE_TO_IMPL_3(stencilFunc, GC3Denum, GC3Dint, GC3Duint) 606 DELEGATE_TO_IMPL_4(stencilFuncSeparate, GC3Denum, GC3Denum, GC3Dint, GC3Duint) 607 DELEGATE_TO_IMPL_1(stencilMask, GC3Duint) 608 DELEGATE_TO_IMPL_2(stencilMaskSeparate, GC3Denum, GC3Duint) 609 DELEGATE_TO_IMPL_3(stencilOp, GC3Denum, GC3Denum, GC3Denum) 610 DELEGATE_TO_IMPL_4(stencilOpSeparate, GC3Denum, GC3Denum, GC3Denum, GC3Denum) 611 612 bool GraphicsContext3DInternal::texImage2D(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height, GC3Dint border, GC3Denum format, GC3Denum type, const void* pixels) 613 { 614 m_impl->texImage2D(target, level, internalformat, width, height, border, format, type, pixels); 615 return true; 616 } 617 618 DELEGATE_TO_IMPL_3(texParameterf, GC3Denum, GC3Denum, GC3Dfloat) 619 DELEGATE_TO_IMPL_3(texParameteri, GC3Denum, GC3Denum, GC3Dint) 620 621 void GraphicsContext3DInternal::texSubImage2D(GC3Denum target, GC3Dint level, GC3Dint xoffset, GC3Dint yoffset, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Denum type, const void* pixels) 622 { 623 m_impl->texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels); 624 } 625 626 DELEGATE_TO_IMPL_2(uniform1f, GC3Dint, GC3Dfloat) 627 628 void GraphicsContext3DInternal::uniform1fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size) 629 { 630 m_impl->uniform1fv(location, size, v); 631 } 632 633 DELEGATE_TO_IMPL_2(uniform1i, GC3Dint, GC3Dint) 634 635 void GraphicsContext3DInternal::uniform1iv(GC3Dint location, GC3Dint* v, GC3Dsizei size) 636 { 637 m_impl->uniform1iv(location, size, v); 638 } 639 640 DELEGATE_TO_IMPL_3(uniform2f, GC3Dint, GC3Dfloat, GC3Dfloat) 641 642 void GraphicsContext3DInternal::uniform2fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size) 643 { 644 m_impl->uniform2fv(location, size, v); 645 } 646 647 DELEGATE_TO_IMPL_3(uniform2i, GC3Dint, GC3Dint, GC3Dint) 648 649 void GraphicsContext3DInternal::uniform2iv(GC3Dint location, GC3Dint* v, GC3Dsizei size) 650 { 651 m_impl->uniform2iv(location, size, v); 652 } 653 654 DELEGATE_TO_IMPL_4(uniform3f, GC3Dint, GC3Dfloat, GC3Dfloat, GC3Dfloat) 655 656 void GraphicsContext3DInternal::uniform3fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size) 657 { 658 m_impl->uniform3fv(location, size, v); 659 } 660 661 DELEGATE_TO_IMPL_4(uniform3i, GC3Dint, GC3Dint, GC3Dint, GC3Dint) 662 663 void GraphicsContext3DInternal::uniform3iv(GC3Dint location, GC3Dint* v, GC3Dsizei size) 664 { 665 m_impl->uniform3iv(location, size, v); 666 } 667 668 DELEGATE_TO_IMPL_5(uniform4f, GC3Dint, GC3Dfloat, GC3Dfloat, GC3Dfloat, GC3Dfloat) 669 670 void GraphicsContext3DInternal::uniform4fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size) 671 { 672 m_impl->uniform4fv(location, size, v); 673 } 674 675 DELEGATE_TO_IMPL_5(uniform4i, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint) 676 677 void GraphicsContext3DInternal::uniform4iv(GC3Dint location, GC3Dint* v, GC3Dsizei size) 678 { 679 m_impl->uniform4iv(location, size, v); 680 } 681 682 void GraphicsContext3DInternal::uniformMatrix2fv(GC3Dint location, GC3Dboolean transpose, GC3Dfloat* value, GC3Dsizei size) 683 { 684 m_impl->uniformMatrix2fv(location, size, transpose, value); 685 } 686 687 void GraphicsContext3DInternal::uniformMatrix3fv(GC3Dint location, GC3Dboolean transpose, GC3Dfloat* value, GC3Dsizei size) 688 { 689 m_impl->uniformMatrix3fv(location, size, transpose, value); 690 } 691 692 void GraphicsContext3DInternal::uniformMatrix4fv(GC3Dint location, GC3Dboolean transpose, GC3Dfloat* value, GC3Dsizei size) 693 { 694 m_impl->uniformMatrix4fv(location, size, transpose, value); 695 } 696 697 DELEGATE_TO_IMPL_1(useProgram, Platform3DObject) 698 DELEGATE_TO_IMPL_1(validateProgram, Platform3DObject) 699 700 DELEGATE_TO_IMPL_2(vertexAttrib1f, GC3Duint, GC3Dfloat) 701 DELEGATE_TO_IMPL_2(vertexAttrib1fv, GC3Duint, GC3Dfloat*) 702 DELEGATE_TO_IMPL_3(vertexAttrib2f, GC3Duint, GC3Dfloat, GC3Dfloat) 703 DELEGATE_TO_IMPL_2(vertexAttrib2fv, GC3Duint, GC3Dfloat*) 704 DELEGATE_TO_IMPL_4(vertexAttrib3f, GC3Duint, GC3Dfloat, GC3Dfloat, GC3Dfloat) 705 DELEGATE_TO_IMPL_2(vertexAttrib3fv, GC3Duint, GC3Dfloat*) 706 DELEGATE_TO_IMPL_5(vertexAttrib4f, GC3Duint, GC3Dfloat, GC3Dfloat, GC3Dfloat, GC3Dfloat) 707 DELEGATE_TO_IMPL_2(vertexAttrib4fv, GC3Duint, GC3Dfloat*) 708 DELEGATE_TO_IMPL_6(vertexAttribPointer, GC3Duint, GC3Dint, GC3Denum, GC3Dboolean, GC3Dsizei, GC3Dsizeiptr) 709 710 DELEGATE_TO_IMPL_4(viewport, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 711 712 DELEGATE_TO_IMPL_R(createBuffer, Platform3DObject) 713 DELEGATE_TO_IMPL_R(createFramebuffer, Platform3DObject) 714 DELEGATE_TO_IMPL_R(createProgram, Platform3DObject) 715 DELEGATE_TO_IMPL_R(createRenderbuffer, Platform3DObject) 716 DELEGATE_TO_IMPL_1R(createShader, GC3Denum, Platform3DObject) 717 DELEGATE_TO_IMPL_R(createTexture, Platform3DObject) 718 719 DELEGATE_TO_IMPL_1(deleteBuffer, Platform3DObject) 720 DELEGATE_TO_IMPL_1(deleteFramebuffer, Platform3DObject) 721 DELEGATE_TO_IMPL_1(deleteProgram, Platform3DObject) 722 DELEGATE_TO_IMPL_1(deleteRenderbuffer, Platform3DObject) 723 DELEGATE_TO_IMPL_1(deleteShader, Platform3DObject) 724 DELEGATE_TO_IMPL_1(deleteTexture, Platform3DObject) 725 726 DELEGATE_TO_IMPL_1(synthesizeGLError, GC3Denum) 727 728 Extensions3D* GraphicsContext3DInternal::getExtensions() 729 { 730 if (!m_extensions) 731 m_extensions = adoptPtr(new Extensions3DChromium(this)); 732 return m_extensions.get(); 733 } 734 735 namespace { 736 737 void splitStringHelper(const String& str, HashSet<String>& set) 738 { 739 Vector<String> substrings; 740 str.split(" ", substrings); 741 for (size_t i = 0; i < substrings.size(); ++i) 742 set.add(substrings[i]); 743 } 744 745 String mapExtensionName(const String& name) 746 { 747 if (name == "GL_ANGLE_framebuffer_blit" 748 || name == "GL_ANGLE_framebuffer_multisample") 749 return "GL_CHROMIUM_framebuffer_multisample"; 750 return name; 751 } 752 753 } // anonymous namespace 754 755 void GraphicsContext3DInternal::initializeExtensions() 756 { 757 if (!m_initializedAvailableExtensions) { 758 String extensionsString = getString(GraphicsContext3D::EXTENSIONS); 759 splitStringHelper(extensionsString, m_enabledExtensions); 760 761 String requestableExtensionsString = m_impl->getRequestableExtensionsCHROMIUM(); 762 splitStringHelper(requestableExtensionsString, m_requestableExtensions); 763 764 m_initializedAvailableExtensions = true; 765 } 766 } 767 768 769 bool GraphicsContext3DInternal::supportsExtension(const String& name) 770 { 771 initializeExtensions(); 772 String mappedName = mapExtensionName(name); 773 return m_enabledExtensions.contains(mappedName) || m_requestableExtensions.contains(mappedName); 774 } 775 776 bool GraphicsContext3DInternal::ensureExtensionEnabled(const String& name) 777 { 778 initializeExtensions(); 779 780 String mappedName = mapExtensionName(name); 781 if (m_enabledExtensions.contains(mappedName)) 782 return true; 783 784 if (m_requestableExtensions.contains(mappedName)) { 785 m_impl->requestExtensionCHROMIUM(mappedName.ascii().data()); 786 m_enabledExtensions.clear(); 787 m_requestableExtensions.clear(); 788 m_initializedAvailableExtensions = false; 789 } 790 791 initializeExtensions(); 792 return m_enabledExtensions.contains(mappedName); 793 } 794 795 bool GraphicsContext3DInternal::isExtensionEnabled(const String& name) 796 { 797 initializeExtensions(); 798 String mappedName = mapExtensionName(name); 799 return m_enabledExtensions.contains(mappedName); 800 } 801 802 DELEGATE_TO_IMPL_4R(mapBufferSubDataCHROMIUM, GC3Denum, GC3Dsizeiptr, GC3Dsizei, GC3Denum, void*) 803 DELEGATE_TO_IMPL_1(unmapBufferSubDataCHROMIUM, const void*) 804 DELEGATE_TO_IMPL_9R(mapTexSubImage2DCHROMIUM, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Denum, GC3Denum, GC3Denum, void*) 805 DELEGATE_TO_IMPL_1(unmapTexSubImage2DCHROMIUM, const void*) 806 DELEGATE_TO_IMPL_2(copyTextureToParentTextureCHROMIUM, Platform3DObject, Platform3DObject) 807 DELEGATE_TO_IMPL_10(blitFramebufferCHROMIUM, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dbitfield, GC3Denum) 808 DELEGATE_TO_IMPL_5(renderbufferStorageMultisampleCHROMIUM, GC3Denum, GC3Dsizei, GC3Denum, GC3Dsizei, GC3Dsizei) 809 DELEGATE_TO_IMPL_1(getParentToChildLatchCHROMIUM, GC3Duint*) 810 DELEGATE_TO_IMPL_1(getChildToParentLatchCHROMIUM, GC3Duint*) 811 DELEGATE_TO_IMPL_1(waitLatchCHROMIUM, GC3Duint) 812 DELEGATE_TO_IMPL_1(setLatchCHROMIUM, GC3Duint) 813 814 //---------------------------------------------------------------------- 815 // GraphicsContext3D 816 // 817 818 // Macros to assist in delegating from GraphicsContext3D to 819 // GraphicsContext3DInternal. 820 821 #define DELEGATE_TO_INTERNAL(name) \ 822 void GraphicsContext3D::name() \ 823 { \ 824 m_internal->name(); \ 825 } 826 827 #define DELEGATE_TO_INTERNAL_R(name, rt) \ 828 rt GraphicsContext3D::name() \ 829 { \ 830 return m_internal->name(); \ 831 } 832 833 #define DELEGATE_TO_INTERNAL_1(name, t1) \ 834 void GraphicsContext3D::name(t1 a1) \ 835 { \ 836 m_internal->name(a1); \ 837 } 838 839 #define DELEGATE_TO_INTERNAL_1R(name, t1, rt) \ 840 rt GraphicsContext3D::name(t1 a1) \ 841 { \ 842 return m_internal->name(a1); \ 843 } 844 845 #define DELEGATE_TO_INTERNAL_2(name, t1, t2) \ 846 void GraphicsContext3D::name(t1 a1, t2 a2) \ 847 { \ 848 m_internal->name(a1, a2); \ 849 } 850 851 #define DELEGATE_TO_INTERNAL_2R(name, t1, t2, rt) \ 852 rt GraphicsContext3D::name(t1 a1, t2 a2) \ 853 { \ 854 return m_internal->name(a1, a2); \ 855 } 856 857 #define DELEGATE_TO_INTERNAL_3(name, t1, t2, t3) \ 858 void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3) \ 859 { \ 860 m_internal->name(a1, a2, a3); \ 861 } 862 863 #define DELEGATE_TO_INTERNAL_3R(name, t1, t2, t3, rt) \ 864 rt GraphicsContext3D::name(t1 a1, t2 a2, t3 a3) \ 865 { \ 866 return m_internal->name(a1, a2, a3); \ 867 } 868 869 #define DELEGATE_TO_INTERNAL_4(name, t1, t2, t3, t4) \ 870 void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4) \ 871 { \ 872 m_internal->name(a1, a2, a3, a4); \ 873 } 874 875 #define DELEGATE_TO_INTERNAL_4R(name, t1, t2, t3, t4, rt) \ 876 rt GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4) \ 877 { \ 878 return m_internal->name(a1, a2, a3, a4); \ 879 } 880 881 #define DELEGATE_TO_INTERNAL_5(name, t1, t2, t3, t4, t5) \ 882 void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5) \ 883 { \ 884 m_internal->name(a1, a2, a3, a4, a5); \ 885 } 886 887 #define DELEGATE_TO_INTERNAL_6(name, t1, t2, t3, t4, t5, t6) \ 888 void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6) \ 889 { \ 890 m_internal->name(a1, a2, a3, a4, a5, a6); \ 891 } 892 893 #define DELEGATE_TO_INTERNAL_6R(name, t1, t2, t3, t4, t5, t6, rt) \ 894 rt GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6) \ 895 { \ 896 return m_internal->name(a1, a2, a3, a4, a5, a6); \ 897 } 898 899 #define DELEGATE_TO_INTERNAL_7(name, t1, t2, t3, t4, t5, t6, t7) \ 900 void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7) \ 901 { \ 902 m_internal->name(a1, a2, a3, a4, a5, a6, a7); \ 903 } 904 905 #define DELEGATE_TO_INTERNAL_7R(name, t1, t2, t3, t4, t5, t6, t7, rt) \ 906 rt GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7) \ 907 { \ 908 return m_internal->name(a1, a2, a3, a4, a5, a6, a7); \ 909 } 910 911 #define DELEGATE_TO_INTERNAL_8(name, t1, t2, t3, t4, t5, t6, t7, t8) \ 912 void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8) \ 913 { \ 914 m_internal->name(a1, a2, a3, a4, a5, a6, a7, a8); \ 915 } 916 917 #define DELEGATE_TO_INTERNAL_9(name, t1, t2, t3, t4, t5, t6, t7, t8, t9) \ 918 void GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8, t9 a9) \ 919 { \ 920 m_internal->name(a1, a2, a3, a4, a5, a6, a7, a8, a9); \ 921 } 922 923 #define DELEGATE_TO_INTERNAL_9R(name, t1, t2, t3, t4, t5, t6, t7, t8, t9, rt) \ 924 rt GraphicsContext3D::name(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8, t9 a9) \ 925 { \ 926 return m_internal->name(a1, a2, a3, a4, a5, a6, a7, a8, a9); \ 927 } 928 929 GraphicsContext3D::GraphicsContext3D(GraphicsContext3D::Attributes, HostWindow*, bool) 930 { 931 } 932 933 GraphicsContext3D::~GraphicsContext3D() 934 { 935 } 936 937 PassRefPtr<GraphicsContext3D> GraphicsContext3D::create(GraphicsContext3D::Attributes attrs, HostWindow* hostWindow, GraphicsContext3D::RenderStyle renderStyle) 938 { 939 OwnPtr<GraphicsContext3DInternal> internal = adoptPtr(new GraphicsContext3DInternal()); 940 if (!internal->initialize(attrs, hostWindow, renderStyle == RenderDirectlyToHostWindow)) { 941 return 0; 942 } 943 RefPtr<GraphicsContext3D> result = adoptRef(new GraphicsContext3D(attrs, hostWindow, renderStyle == RenderDirectlyToHostWindow)); 944 result->m_internal = internal.release(); 945 return result.release(); 946 } 947 948 PlatformGraphicsContext3D GraphicsContext3D::platformGraphicsContext3D() const 949 { 950 return m_internal->platformGraphicsContext3D(); 951 } 952 953 Platform3DObject GraphicsContext3D::platformTexture() const 954 { 955 return m_internal->platformTexture(); 956 } 957 958 void GraphicsContext3D::prepareTexture() 959 { 960 return m_internal->prepareTexture(); 961 } 962 963 #if USE(ACCELERATED_COMPOSITING) 964 PlatformLayer* GraphicsContext3D::platformLayer() const 965 { 966 WebGLLayerChromium* canvasLayer = m_internal->platformLayer(); 967 canvasLayer->setContext(this); 968 return canvasLayer; 969 } 970 #endif 971 972 DELEGATE_TO_INTERNAL(makeContextCurrent) 973 DELEGATE_TO_INTERNAL_2(reshape, int, int) 974 DELEGATE_TO_INTERNAL_R(getInternalFramebufferSize, IntSize) 975 976 DELEGATE_TO_INTERNAL_1(activeTexture, GC3Denum) 977 DELEGATE_TO_INTERNAL_2(attachShader, Platform3DObject, Platform3DObject) 978 DELEGATE_TO_INTERNAL_3(bindAttribLocation, Platform3DObject, GC3Duint, const String&) 979 980 DELEGATE_TO_INTERNAL_2(bindBuffer, GC3Denum, Platform3DObject) 981 DELEGATE_TO_INTERNAL_2(bindFramebuffer, GC3Denum, Platform3DObject) 982 DELEGATE_TO_INTERNAL_2(bindRenderbuffer, GC3Denum, Platform3DObject) 983 DELEGATE_TO_INTERNAL_2(bindTexture, GC3Denum, Platform3DObject) 984 DELEGATE_TO_INTERNAL_4(blendColor, GC3Dclampf, GC3Dclampf, GC3Dclampf, GC3Dclampf) 985 DELEGATE_TO_INTERNAL_1(blendEquation, GC3Denum) 986 DELEGATE_TO_INTERNAL_2(blendEquationSeparate, GC3Denum, GC3Denum) 987 DELEGATE_TO_INTERNAL_2(blendFunc, GC3Denum, GC3Denum) 988 DELEGATE_TO_INTERNAL_4(blendFuncSeparate, GC3Denum, GC3Denum, GC3Denum, GC3Denum) 989 990 DELEGATE_TO_INTERNAL_3(bufferData, GC3Denum, GC3Dsizeiptr, GC3Denum) 991 DELEGATE_TO_INTERNAL_4(bufferData, GC3Denum, GC3Dsizeiptr, const void*, GC3Denum) 992 DELEGATE_TO_INTERNAL_4(bufferSubData, GC3Denum, GC3Dintptr, GC3Dsizeiptr, const void*) 993 994 DELEGATE_TO_INTERNAL_1R(checkFramebufferStatus, GC3Denum, GC3Denum) 995 DELEGATE_TO_INTERNAL_1(clear, GC3Dbitfield) 996 DELEGATE_TO_INTERNAL_4(clearColor, GC3Dclampf, GC3Dclampf, GC3Dclampf, GC3Dclampf) 997 DELEGATE_TO_INTERNAL_1(clearDepth, GC3Dclampf) 998 DELEGATE_TO_INTERNAL_1(clearStencil, GC3Dint) 999 DELEGATE_TO_INTERNAL_4(colorMask, GC3Dboolean, GC3Dboolean, GC3Dboolean, GC3Dboolean) 1000 DELEGATE_TO_INTERNAL_1(compileShader, Platform3DObject) 1001 1002 DELEGATE_TO_INTERNAL_8(copyTexImage2D, GC3Denum, GC3Dint, GC3Denum, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Dint) 1003 DELEGATE_TO_INTERNAL_8(copyTexSubImage2D, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 1004 DELEGATE_TO_INTERNAL_1(cullFace, GC3Denum) 1005 DELEGATE_TO_INTERNAL_1(depthFunc, GC3Denum) 1006 DELEGATE_TO_INTERNAL_1(depthMask, GC3Dboolean) 1007 DELEGATE_TO_INTERNAL_2(depthRange, GC3Dclampf, GC3Dclampf) 1008 DELEGATE_TO_INTERNAL_2(detachShader, Platform3DObject, Platform3DObject) 1009 DELEGATE_TO_INTERNAL_1(disable, GC3Denum) 1010 DELEGATE_TO_INTERNAL_1(disableVertexAttribArray, GC3Duint) 1011 DELEGATE_TO_INTERNAL_3(drawArrays, GC3Denum, GC3Dint, GC3Dsizei) 1012 DELEGATE_TO_INTERNAL_4(drawElements, GC3Denum, GC3Dsizei, GC3Denum, GC3Dintptr) 1013 1014 DELEGATE_TO_INTERNAL_1(enable, GC3Denum) 1015 DELEGATE_TO_INTERNAL_1(enableVertexAttribArray, GC3Duint) 1016 DELEGATE_TO_INTERNAL(finish) 1017 DELEGATE_TO_INTERNAL(flush) 1018 DELEGATE_TO_INTERNAL_4(framebufferRenderbuffer, GC3Denum, GC3Denum, GC3Denum, Platform3DObject) 1019 DELEGATE_TO_INTERNAL_5(framebufferTexture2D, GC3Denum, GC3Denum, GC3Denum, Platform3DObject, GC3Dint) 1020 DELEGATE_TO_INTERNAL_1(frontFace, GC3Denum) 1021 DELEGATE_TO_INTERNAL_1(generateMipmap, GC3Denum) 1022 1023 DELEGATE_TO_INTERNAL_3R(getActiveAttrib, Platform3DObject, GC3Duint, ActiveInfo&, bool) 1024 DELEGATE_TO_INTERNAL_3R(getActiveUniform, Platform3DObject, GC3Duint, ActiveInfo&, bool) 1025 DELEGATE_TO_INTERNAL_4(getAttachedShaders, Platform3DObject, GC3Dsizei, GC3Dsizei*, Platform3DObject*) 1026 DELEGATE_TO_INTERNAL_2R(getAttribLocation, Platform3DObject, const String&, GC3Dint) 1027 DELEGATE_TO_INTERNAL_2(getBooleanv, GC3Denum, GC3Dboolean*) 1028 DELEGATE_TO_INTERNAL_3(getBufferParameteriv, GC3Denum, GC3Denum, GC3Dint*) 1029 DELEGATE_TO_INTERNAL_R(getContextAttributes, GraphicsContext3D::Attributes) 1030 DELEGATE_TO_INTERNAL_R(getError, GC3Denum) 1031 DELEGATE_TO_INTERNAL_2(getFloatv, GC3Denum, GC3Dfloat*) 1032 DELEGATE_TO_INTERNAL_4(getFramebufferAttachmentParameteriv, GC3Denum, GC3Denum, GC3Denum, GC3Dint*) 1033 DELEGATE_TO_INTERNAL_2(getIntegerv, GC3Denum, GC3Dint*) 1034 DELEGATE_TO_INTERNAL_3(getProgramiv, Platform3DObject, GC3Denum, GC3Dint*) 1035 DELEGATE_TO_INTERNAL_1R(getProgramInfoLog, Platform3DObject, String) 1036 DELEGATE_TO_INTERNAL_3(getRenderbufferParameteriv, GC3Denum, GC3Denum, GC3Dint*) 1037 DELEGATE_TO_INTERNAL_3(getShaderiv, Platform3DObject, GC3Denum, GC3Dint*) 1038 DELEGATE_TO_INTERNAL_1R(getShaderInfoLog, Platform3DObject, String) 1039 DELEGATE_TO_INTERNAL_1R(getShaderSource, Platform3DObject, String) 1040 DELEGATE_TO_INTERNAL_1R(getString, GC3Denum, String) 1041 DELEGATE_TO_INTERNAL_3(getTexParameterfv, GC3Denum, GC3Denum, GC3Dfloat*) 1042 DELEGATE_TO_INTERNAL_3(getTexParameteriv, GC3Denum, GC3Denum, GC3Dint*) 1043 DELEGATE_TO_INTERNAL_3(getUniformfv, Platform3DObject, GC3Dint, GC3Dfloat*) 1044 DELEGATE_TO_INTERNAL_3(getUniformiv, Platform3DObject, GC3Dint, GC3Dint*) 1045 DELEGATE_TO_INTERNAL_2R(getUniformLocation, Platform3DObject, const String&, GC3Dint) 1046 DELEGATE_TO_INTERNAL_3(getVertexAttribfv, GC3Duint, GC3Denum, GC3Dfloat*) 1047 DELEGATE_TO_INTERNAL_3(getVertexAttribiv, GC3Duint, GC3Denum, GC3Dint*) 1048 DELEGATE_TO_INTERNAL_2R(getVertexAttribOffset, GC3Duint, GC3Denum, GC3Dsizeiptr) 1049 1050 DELEGATE_TO_INTERNAL_2(hint, GC3Denum, GC3Denum) 1051 DELEGATE_TO_INTERNAL_1R(isBuffer, Platform3DObject, GC3Dboolean) 1052 DELEGATE_TO_INTERNAL_1R(isEnabled, GC3Denum, GC3Dboolean) 1053 DELEGATE_TO_INTERNAL_1R(isFramebuffer, Platform3DObject, GC3Dboolean) 1054 DELEGATE_TO_INTERNAL_1R(isProgram, Platform3DObject, GC3Dboolean) 1055 DELEGATE_TO_INTERNAL_1R(isRenderbuffer, Platform3DObject, GC3Dboolean) 1056 DELEGATE_TO_INTERNAL_1R(isShader, Platform3DObject, GC3Dboolean) 1057 DELEGATE_TO_INTERNAL_1R(isTexture, Platform3DObject, GC3Dboolean) 1058 DELEGATE_TO_INTERNAL_1(lineWidth, GC3Dfloat) 1059 DELEGATE_TO_INTERNAL_1(linkProgram, Platform3DObject) 1060 DELEGATE_TO_INTERNAL_2(pixelStorei, GC3Denum, GC3Dint) 1061 DELEGATE_TO_INTERNAL_2(polygonOffset, GC3Dfloat, GC3Dfloat) 1062 1063 DELEGATE_TO_INTERNAL_7(readPixels, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Denum, GC3Denum, void*) 1064 1065 DELEGATE_TO_INTERNAL(releaseShaderCompiler) 1066 DELEGATE_TO_INTERNAL_4(renderbufferStorage, GC3Denum, GC3Denum, GC3Dsizei, GC3Dsizei) 1067 DELEGATE_TO_INTERNAL_2(sampleCoverage, GC3Dclampf, GC3Dboolean) 1068 DELEGATE_TO_INTERNAL_4(scissor, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 1069 DELEGATE_TO_INTERNAL_2(shaderSource, Platform3DObject, const String&) 1070 DELEGATE_TO_INTERNAL_3(stencilFunc, GC3Denum, GC3Dint, GC3Duint) 1071 DELEGATE_TO_INTERNAL_4(stencilFuncSeparate, GC3Denum, GC3Denum, GC3Dint, GC3Duint) 1072 DELEGATE_TO_INTERNAL_1(stencilMask, GC3Duint) 1073 DELEGATE_TO_INTERNAL_2(stencilMaskSeparate, GC3Denum, GC3Duint) 1074 DELEGATE_TO_INTERNAL_3(stencilOp, GC3Denum, GC3Denum, GC3Denum) 1075 DELEGATE_TO_INTERNAL_4(stencilOpSeparate, GC3Denum, GC3Denum, GC3Denum, GC3Denum) 1076 1077 DELEGATE_TO_INTERNAL_9R(texImage2D, GC3Denum, GC3Dint, GC3Denum, GC3Dsizei, GC3Dsizei, GC3Dint, GC3Denum, GC3Denum, const void*, bool) 1078 DELEGATE_TO_INTERNAL_3(texParameterf, GC3Denum, GC3Denum, GC3Dfloat) 1079 DELEGATE_TO_INTERNAL_3(texParameteri, GC3Denum, GC3Denum, GC3Dint) 1080 DELEGATE_TO_INTERNAL_9(texSubImage2D, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Denum, GC3Denum, const void*) 1081 1082 DELEGATE_TO_INTERNAL_2(uniform1f, GC3Dint, GC3Dfloat) 1083 DELEGATE_TO_INTERNAL_3(uniform1fv, GC3Dint, GC3Dfloat*, GC3Dsizei) 1084 DELEGATE_TO_INTERNAL_2(uniform1i, GC3Dint, GC3Dint) 1085 DELEGATE_TO_INTERNAL_3(uniform1iv, GC3Dint, GC3Dint*, GC3Dsizei) 1086 DELEGATE_TO_INTERNAL_3(uniform2f, GC3Dint, GC3Dfloat, GC3Dfloat) 1087 DELEGATE_TO_INTERNAL_3(uniform2fv, GC3Dint, GC3Dfloat*, GC3Dsizei) 1088 DELEGATE_TO_INTERNAL_3(uniform2i, GC3Dint, GC3Dint, GC3Dint) 1089 DELEGATE_TO_INTERNAL_3(uniform2iv, GC3Dint, GC3Dint*, GC3Dsizei) 1090 DELEGATE_TO_INTERNAL_4(uniform3f, GC3Dint, GC3Dfloat, GC3Dfloat, GC3Dfloat) 1091 DELEGATE_TO_INTERNAL_3(uniform3fv, GC3Dint, GC3Dfloat*, GC3Dsizei) 1092 DELEGATE_TO_INTERNAL_4(uniform3i, GC3Dint, GC3Dint, GC3Dint, GC3Dint) 1093 DELEGATE_TO_INTERNAL_3(uniform3iv, GC3Dint, GC3Dint*, GC3Dsizei) 1094 DELEGATE_TO_INTERNAL_5(uniform4f, GC3Dint, GC3Dfloat, GC3Dfloat, GC3Dfloat, GC3Dfloat) 1095 DELEGATE_TO_INTERNAL_3(uniform4fv, GC3Dint, GC3Dfloat*, GC3Dsizei) 1096 DELEGATE_TO_INTERNAL_5(uniform4i, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint) 1097 DELEGATE_TO_INTERNAL_3(uniform4iv, GC3Dint, GC3Dint*, GC3Dsizei) 1098 DELEGATE_TO_INTERNAL_4(uniformMatrix2fv, GC3Dint, GC3Dboolean, GC3Dfloat*, GC3Dsizei) 1099 DELEGATE_TO_INTERNAL_4(uniformMatrix3fv, GC3Dint, GC3Dboolean, GC3Dfloat*, GC3Dsizei) 1100 DELEGATE_TO_INTERNAL_4(uniformMatrix4fv, GC3Dint, GC3Dboolean, GC3Dfloat*, GC3Dsizei) 1101 1102 DELEGATE_TO_INTERNAL_1(useProgram, Platform3DObject) 1103 DELEGATE_TO_INTERNAL_1(validateProgram, Platform3DObject) 1104 1105 DELEGATE_TO_INTERNAL_2(vertexAttrib1f, GC3Duint, GC3Dfloat) 1106 DELEGATE_TO_INTERNAL_2(vertexAttrib1fv, GC3Duint, GC3Dfloat*) 1107 DELEGATE_TO_INTERNAL_3(vertexAttrib2f, GC3Duint, GC3Dfloat, GC3Dfloat) 1108 DELEGATE_TO_INTERNAL_2(vertexAttrib2fv, GC3Duint, GC3Dfloat*) 1109 DELEGATE_TO_INTERNAL_4(vertexAttrib3f, GC3Duint, GC3Dfloat, GC3Dfloat, GC3Dfloat) 1110 DELEGATE_TO_INTERNAL_2(vertexAttrib3fv, GC3Duint, GC3Dfloat*) 1111 DELEGATE_TO_INTERNAL_5(vertexAttrib4f, GC3Duint, GC3Dfloat, GC3Dfloat, GC3Dfloat, GC3Dfloat) 1112 DELEGATE_TO_INTERNAL_2(vertexAttrib4fv, GC3Duint, GC3Dfloat*) 1113 DELEGATE_TO_INTERNAL_6(vertexAttribPointer, GC3Duint, GC3Dint, GC3Denum, GC3Dboolean, GC3Dsizei, GC3Dintptr) 1114 1115 DELEGATE_TO_INTERNAL_4(viewport, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 1116 1117 DELEGATE_TO_INTERNAL(markLayerComposited) 1118 DELEGATE_TO_INTERNAL(markContextChanged) 1119 1120 bool GraphicsContext3D::layerComposited() const 1121 { 1122 return m_internal->layerComposited(); 1123 } 1124 1125 DELEGATE_TO_INTERNAL_1(paintRenderingResultsToCanvas, CanvasRenderingContext*) 1126 DELEGATE_TO_INTERNAL_R(paintRenderingResultsToImageData, PassRefPtr<ImageData>) 1127 1128 bool GraphicsContext3D::paintsIntoCanvasBuffer() const 1129 { 1130 return m_internal->paintsIntoCanvasBuffer(); 1131 } 1132 1133 DELEGATE_TO_INTERNAL_R(createBuffer, Platform3DObject) 1134 DELEGATE_TO_INTERNAL_R(createFramebuffer, Platform3DObject) 1135 DELEGATE_TO_INTERNAL_R(createProgram, Platform3DObject) 1136 DELEGATE_TO_INTERNAL_R(createRenderbuffer, Platform3DObject) 1137 DELEGATE_TO_INTERNAL_1R(createShader, GC3Denum, Platform3DObject) 1138 DELEGATE_TO_INTERNAL_R(createTexture, Platform3DObject) 1139 1140 DELEGATE_TO_INTERNAL_1(deleteBuffer, Platform3DObject) 1141 DELEGATE_TO_INTERNAL_1(deleteFramebuffer, Platform3DObject) 1142 DELEGATE_TO_INTERNAL_1(deleteProgram, Platform3DObject) 1143 DELEGATE_TO_INTERNAL_1(deleteRenderbuffer, Platform3DObject) 1144 DELEGATE_TO_INTERNAL_1(deleteShader, Platform3DObject) 1145 DELEGATE_TO_INTERNAL_1(deleteTexture, Platform3DObject) 1146 1147 DELEGATE_TO_INTERNAL_1(synthesizeGLError, GC3Denum) 1148 DELEGATE_TO_INTERNAL_R(getExtensions, Extensions3D*) 1149 1150 DELEGATE_TO_INTERNAL_1(setContextLostCallback, PassOwnPtr<GraphicsContext3D::ContextLostCallback>) 1151 1152 class GraphicsContextLostCallbackAdapter : public WebKit::WebGraphicsContext3D::WebGraphicsContextLostCallback { 1153 public: 1154 virtual void onContextLost(); 1155 static PassOwnPtr<GraphicsContextLostCallbackAdapter> create(PassOwnPtr<GraphicsContext3D::ContextLostCallback>); 1156 virtual ~GraphicsContextLostCallbackAdapter() {} 1157 private: 1158 GraphicsContextLostCallbackAdapter(PassOwnPtr<GraphicsContext3D::ContextLostCallback> cb) : m_contextLostCallback(cb) {} 1159 OwnPtr<GraphicsContext3D::ContextLostCallback> m_contextLostCallback; 1160 }; 1161 1162 void GraphicsContextLostCallbackAdapter::onContextLost() 1163 { 1164 if (m_contextLostCallback) 1165 m_contextLostCallback->onContextLost(); 1166 } 1167 1168 PassOwnPtr<GraphicsContextLostCallbackAdapter> GraphicsContextLostCallbackAdapter::create(PassOwnPtr<GraphicsContext3D::ContextLostCallback> cb) 1169 { 1170 return adoptPtr(new GraphicsContextLostCallbackAdapter(cb)); 1171 } 1172 1173 void GraphicsContext3DInternal::setContextLostCallback(PassOwnPtr<GraphicsContext3D::ContextLostCallback> cb) 1174 { 1175 m_contextLostCallbackAdapter = GraphicsContextLostCallbackAdapter::create(cb); 1176 m_impl->setContextLostCallback(m_contextLostCallbackAdapter.get()); 1177 } 1178 1179 bool GraphicsContext3D::isGLES2Compliant() const 1180 { 1181 return m_internal->isGLES2Compliant(); 1182 } 1183 1184 } // namespace WebCore 1185 1186 #endif // ENABLE(WEBGL) 1187
