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 77namespace WebCore { 78 79//---------------------------------------------------------------------- 80// GraphicsContext3DInternal 81 82GraphicsContext3DInternal::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 95GraphicsContext3DInternal::~GraphicsContext3DInternal() 96{ 97#if USE(CG) 98 if (m_renderOutput) 99 delete[] m_renderOutput; 100#endif 101} 102 103bool 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 133WebKit::WebGraphicsContext3D* GraphicsContext3DInternal::extractWebGraphicsContext3D(GraphicsContext3D* context) 134{ 135 if (!context) 136 return 0; 137 return context->m_internal->m_impl.get(); 138} 139 140PlatformGraphicsContext3D GraphicsContext3DInternal::platformGraphicsContext3D() const 141{ 142 return m_impl.get(); 143} 144 145Platform3DObject GraphicsContext3DInternal::platformTexture() const 146{ 147 return m_impl->getPlatformTextureId(); 148} 149 150void GraphicsContext3DInternal::prepareTexture() 151{ 152 m_impl->prepareTexture(); 153} 154 155#if USE(ACCELERATED_COMPOSITING) 156WebGLLayerChromium* GraphicsContext3DInternal::platformLayer() const 157{ 158 return m_compositingLayer.get(); 159} 160#endif 161 162void GraphicsContext3DInternal::markContextChanged() 163{ 164#if USE(ACCELERATED_COMPOSITING) 165 platformLayer()->setTextureUpdated(); 166#endif 167 m_layerComposited = false; 168} 169 170void GraphicsContext3DInternal::markLayerComposited() 171{ 172 m_layerComposited = true; 173} 174 175bool GraphicsContext3DInternal::layerComposited() const 176{ 177 return m_layerComposited; 178} 179 180void 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 249PassRefPtr<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 266bool 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 272void 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 291IntSize GraphicsContext3DInternal::getInternalFramebufferSize() 292{ 293 return IntSize(m_impl->width(), m_impl->height()); 294} 295 296bool 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) \ 305void GraphicsContext3DInternal::name() \ 306{ \ 307 m_impl->name(); \ 308} 309 310#define DELEGATE_TO_IMPL_R(name, rt) \ 311rt GraphicsContext3DInternal::name() \ 312{ \ 313 return m_impl->name(); \ 314} 315 316#define DELEGATE_TO_IMPL_1(name, t1) \ 317void GraphicsContext3DInternal::name(t1 a1) \ 318{ \ 319 m_impl->name(a1); \ 320} 321 322#define DELEGATE_TO_IMPL_1R(name, t1, rt) \ 323rt GraphicsContext3DInternal::name(t1 a1) \ 324{ \ 325 return m_impl->name(a1); \ 326} 327 328#define DELEGATE_TO_IMPL_2(name, t1, t2) \ 329void 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) \ 335rt 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) \ 341void 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) \ 347rt 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) \ 353void 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) \ 359rt 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) \ 365void 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) \ 371rt 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) \ 377void 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) \ 383rt 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) \ 389void 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) \ 395rt 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) \ 401void 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) \ 407rt 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) \ 413void 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 418DELEGATE_TO_IMPL_R(makeContextCurrent, bool) 419 420bool GraphicsContext3DInternal::isGLES2Compliant() const 421{ 422 return m_impl->isGLES2Compliant(); 423} 424 425DELEGATE_TO_IMPL_1(activeTexture, GC3Denum) 426DELEGATE_TO_IMPL_2(attachShader, Platform3DObject, Platform3DObject) 427 428void GraphicsContext3DInternal::bindAttribLocation(Platform3DObject program, GC3Duint index, const String& name) 429{ 430 m_impl->bindAttribLocation(program, index, name.utf8().data()); 431} 432 433DELEGATE_TO_IMPL_2(bindBuffer, GC3Denum, Platform3DObject) 434DELEGATE_TO_IMPL_2(bindFramebuffer, GC3Denum, Platform3DObject) 435DELEGATE_TO_IMPL_2(bindRenderbuffer, GC3Denum, Platform3DObject) 436DELEGATE_TO_IMPL_2(bindTexture, GC3Denum, Platform3DObject) 437DELEGATE_TO_IMPL_4(blendColor, GC3Dclampf, GC3Dclampf, GC3Dclampf, GC3Dclampf) 438DELEGATE_TO_IMPL_1(blendEquation, GC3Denum) 439DELEGATE_TO_IMPL_2(blendEquationSeparate, GC3Denum, GC3Denum) 440DELEGATE_TO_IMPL_2(blendFunc, GC3Denum, GC3Denum) 441DELEGATE_TO_IMPL_4(blendFuncSeparate, GC3Denum, GC3Denum, GC3Denum, GC3Denum) 442 443void GraphicsContext3DInternal::bufferData(GC3Denum target, GC3Dsizeiptr size, GC3Denum usage) 444{ 445 m_impl->bufferData(target, size, 0, usage); 446} 447 448void GraphicsContext3DInternal::bufferData(GC3Denum target, GC3Dsizeiptr size, const void* data, GC3Denum usage) 449{ 450 m_impl->bufferData(target, size, data, usage); 451} 452 453void GraphicsContext3DInternal::bufferSubData(GC3Denum target, GC3Dintptr offset, GC3Dsizeiptr size, const void* data) 454{ 455 m_impl->bufferSubData(target, offset, size, data); 456} 457 458DELEGATE_TO_IMPL_1R(checkFramebufferStatus, GC3Denum, GC3Denum) 459DELEGATE_TO_IMPL_1(clear, GC3Dbitfield) 460DELEGATE_TO_IMPL_4(clearColor, GC3Dclampf, GC3Dclampf, GC3Dclampf, GC3Dclampf) 461DELEGATE_TO_IMPL_1(clearDepth, GC3Dclampf) 462DELEGATE_TO_IMPL_1(clearStencil, GC3Dint) 463DELEGATE_TO_IMPL_4(colorMask, GC3Dboolean, GC3Dboolean, GC3Dboolean, GC3Dboolean) 464DELEGATE_TO_IMPL_1(compileShader, Platform3DObject) 465 466DELEGATE_TO_IMPL_8(copyTexImage2D, GC3Denum, GC3Dint, GC3Denum, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Dint) 467DELEGATE_TO_IMPL_8(copyTexSubImage2D, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 468DELEGATE_TO_IMPL_1(cullFace, GC3Denum) 469DELEGATE_TO_IMPL_1(depthFunc, GC3Denum) 470DELEGATE_TO_IMPL_1(depthMask, GC3Dboolean) 471DELEGATE_TO_IMPL_2(depthRange, GC3Dclampf, GC3Dclampf) 472DELEGATE_TO_IMPL_2(detachShader, Platform3DObject, Platform3DObject) 473DELEGATE_TO_IMPL_1(disable, GC3Denum) 474DELEGATE_TO_IMPL_1(disableVertexAttribArray, GC3Duint) 475DELEGATE_TO_IMPL_3(drawArrays, GC3Denum, GC3Dint, GC3Dsizei) 476DELEGATE_TO_IMPL_4(drawElements, GC3Denum, GC3Dsizei, GC3Denum, GC3Dsizeiptr) 477 478DELEGATE_TO_IMPL_1(enable, GC3Denum) 479DELEGATE_TO_IMPL_1(enableVertexAttribArray, GC3Duint) 480DELEGATE_TO_IMPL(finish) 481DELEGATE_TO_IMPL(flush) 482DELEGATE_TO_IMPL_4(framebufferRenderbuffer, GC3Denum, GC3Denum, GC3Denum, Platform3DObject) 483DELEGATE_TO_IMPL_5(framebufferTexture2D, GC3Denum, GC3Denum, GC3Denum, Platform3DObject, GC3Dint) 484DELEGATE_TO_IMPL_1(frontFace, GC3Denum) 485DELEGATE_TO_IMPL_1(generateMipmap, GC3Denum) 486 487bool 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 498bool 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 509DELEGATE_TO_IMPL_4(getAttachedShaders, Platform3DObject, GC3Dsizei, GC3Dsizei*, Platform3DObject*) 510 511GC3Dint GraphicsContext3DInternal::getAttribLocation(Platform3DObject program, const String& name) 512{ 513 return m_impl->getAttribLocation(program, name.utf8().data()); 514} 515 516DELEGATE_TO_IMPL_2(getBooleanv, GC3Denum, GC3Dboolean*) 517 518DELEGATE_TO_IMPL_3(getBufferParameteriv, GC3Denum, GC3Denum, GC3Dint*) 519 520GraphicsContext3D::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 532DELEGATE_TO_IMPL_R(getError, GC3Denum) 533 534DELEGATE_TO_IMPL_2(getFloatv, GC3Denum, GC3Dfloat*) 535 536DELEGATE_TO_IMPL_4(getFramebufferAttachmentParameteriv, GC3Denum, GC3Denum, GC3Denum, GC3Dint*) 537 538DELEGATE_TO_IMPL_2(getIntegerv, GC3Denum, GC3Dint*) 539 540DELEGATE_TO_IMPL_3(getProgramiv, Platform3DObject, GC3Denum, GC3Dint*) 541 542String GraphicsContext3DInternal::getProgramInfoLog(Platform3DObject program) 543{ 544 return m_impl->getProgramInfoLog(program); 545} 546 547DELEGATE_TO_IMPL_3(getRenderbufferParameteriv, GC3Denum, GC3Denum, GC3Dint*) 548 549DELEGATE_TO_IMPL_3(getShaderiv, Platform3DObject, GC3Denum, GC3Dint*) 550 551String GraphicsContext3DInternal::getShaderInfoLog(Platform3DObject shader) 552{ 553 return m_impl->getShaderInfoLog(shader); 554} 555 556String GraphicsContext3DInternal::getShaderSource(Platform3DObject shader) 557{ 558 return m_impl->getShaderSource(shader); 559} 560 561String GraphicsContext3DInternal::getString(GC3Denum name) 562{ 563 return m_impl->getString(name); 564} 565 566DELEGATE_TO_IMPL_3(getTexParameterfv, GC3Denum, GC3Denum, GC3Dfloat*) 567DELEGATE_TO_IMPL_3(getTexParameteriv, GC3Denum, GC3Denum, GC3Dint*) 568 569DELEGATE_TO_IMPL_3(getUniformfv, Platform3DObject, GC3Dint, GC3Dfloat*) 570DELEGATE_TO_IMPL_3(getUniformiv, Platform3DObject, GC3Dint, GC3Dint*) 571 572GC3Dint GraphicsContext3DInternal::getUniformLocation(Platform3DObject program, const String& name) 573{ 574 return m_impl->getUniformLocation(program, name.utf8().data()); 575} 576 577DELEGATE_TO_IMPL_3(getVertexAttribfv, GC3Duint, GC3Denum, GC3Dfloat*) 578DELEGATE_TO_IMPL_3(getVertexAttribiv, GC3Duint, GC3Denum, GC3Dint*) 579 580DELEGATE_TO_IMPL_2R(getVertexAttribOffset, GC3Duint, GC3Denum, GC3Dsizeiptr) 581 582DELEGATE_TO_IMPL_2(hint, GC3Denum, GC3Denum) 583DELEGATE_TO_IMPL_1R(isBuffer, Platform3DObject, GC3Dboolean) 584DELEGATE_TO_IMPL_1R(isEnabled, GC3Denum, GC3Dboolean) 585DELEGATE_TO_IMPL_1R(isFramebuffer, Platform3DObject, GC3Dboolean) 586DELEGATE_TO_IMPL_1R(isProgram, Platform3DObject, GC3Dboolean) 587DELEGATE_TO_IMPL_1R(isRenderbuffer, Platform3DObject, GC3Dboolean) 588DELEGATE_TO_IMPL_1R(isShader, Platform3DObject, GC3Dboolean) 589DELEGATE_TO_IMPL_1R(isTexture, Platform3DObject, GC3Dboolean) 590DELEGATE_TO_IMPL_1(lineWidth, GC3Dfloat) 591DELEGATE_TO_IMPL_1(linkProgram, Platform3DObject) 592DELEGATE_TO_IMPL_2(pixelStorei, GC3Denum, GC3Dint) 593DELEGATE_TO_IMPL_2(polygonOffset, GC3Dfloat, GC3Dfloat) 594DELEGATE_TO_IMPL_7(readPixels, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Denum, GC3Denum, void*) 595DELEGATE_TO_IMPL(releaseShaderCompiler) 596DELEGATE_TO_IMPL_4(renderbufferStorage, GC3Denum, GC3Denum, GC3Dsizei, GC3Dsizei) 597DELEGATE_TO_IMPL_2(sampleCoverage, GC3Dclampf, GC3Dboolean) 598DELEGATE_TO_IMPL_4(scissor, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 599 600void GraphicsContext3DInternal::shaderSource(Platform3DObject shader, const String& string) 601{ 602 m_impl->shaderSource(shader, string.utf8().data()); 603} 604 605DELEGATE_TO_IMPL_3(stencilFunc, GC3Denum, GC3Dint, GC3Duint) 606DELEGATE_TO_IMPL_4(stencilFuncSeparate, GC3Denum, GC3Denum, GC3Dint, GC3Duint) 607DELEGATE_TO_IMPL_1(stencilMask, GC3Duint) 608DELEGATE_TO_IMPL_2(stencilMaskSeparate, GC3Denum, GC3Duint) 609DELEGATE_TO_IMPL_3(stencilOp, GC3Denum, GC3Denum, GC3Denum) 610DELEGATE_TO_IMPL_4(stencilOpSeparate, GC3Denum, GC3Denum, GC3Denum, GC3Denum) 611 612bool 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 618DELEGATE_TO_IMPL_3(texParameterf, GC3Denum, GC3Denum, GC3Dfloat) 619DELEGATE_TO_IMPL_3(texParameteri, GC3Denum, GC3Denum, GC3Dint) 620 621void 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 626DELEGATE_TO_IMPL_2(uniform1f, GC3Dint, GC3Dfloat) 627 628void GraphicsContext3DInternal::uniform1fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size) 629{ 630 m_impl->uniform1fv(location, size, v); 631} 632 633DELEGATE_TO_IMPL_2(uniform1i, GC3Dint, GC3Dint) 634 635void GraphicsContext3DInternal::uniform1iv(GC3Dint location, GC3Dint* v, GC3Dsizei size) 636{ 637 m_impl->uniform1iv(location, size, v); 638} 639 640DELEGATE_TO_IMPL_3(uniform2f, GC3Dint, GC3Dfloat, GC3Dfloat) 641 642void GraphicsContext3DInternal::uniform2fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size) 643{ 644 m_impl->uniform2fv(location, size, v); 645} 646 647DELEGATE_TO_IMPL_3(uniform2i, GC3Dint, GC3Dint, GC3Dint) 648 649void GraphicsContext3DInternal::uniform2iv(GC3Dint location, GC3Dint* v, GC3Dsizei size) 650{ 651 m_impl->uniform2iv(location, size, v); 652} 653 654DELEGATE_TO_IMPL_4(uniform3f, GC3Dint, GC3Dfloat, GC3Dfloat, GC3Dfloat) 655 656void GraphicsContext3DInternal::uniform3fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size) 657{ 658 m_impl->uniform3fv(location, size, v); 659} 660 661DELEGATE_TO_IMPL_4(uniform3i, GC3Dint, GC3Dint, GC3Dint, GC3Dint) 662 663void GraphicsContext3DInternal::uniform3iv(GC3Dint location, GC3Dint* v, GC3Dsizei size) 664{ 665 m_impl->uniform3iv(location, size, v); 666} 667 668DELEGATE_TO_IMPL_5(uniform4f, GC3Dint, GC3Dfloat, GC3Dfloat, GC3Dfloat, GC3Dfloat) 669 670void GraphicsContext3DInternal::uniform4fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size) 671{ 672 m_impl->uniform4fv(location, size, v); 673} 674 675DELEGATE_TO_IMPL_5(uniform4i, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint) 676 677void GraphicsContext3DInternal::uniform4iv(GC3Dint location, GC3Dint* v, GC3Dsizei size) 678{ 679 m_impl->uniform4iv(location, size, v); 680} 681 682void GraphicsContext3DInternal::uniformMatrix2fv(GC3Dint location, GC3Dboolean transpose, GC3Dfloat* value, GC3Dsizei size) 683{ 684 m_impl->uniformMatrix2fv(location, size, transpose, value); 685} 686 687void GraphicsContext3DInternal::uniformMatrix3fv(GC3Dint location, GC3Dboolean transpose, GC3Dfloat* value, GC3Dsizei size) 688{ 689 m_impl->uniformMatrix3fv(location, size, transpose, value); 690} 691 692void GraphicsContext3DInternal::uniformMatrix4fv(GC3Dint location, GC3Dboolean transpose, GC3Dfloat* value, GC3Dsizei size) 693{ 694 m_impl->uniformMatrix4fv(location, size, transpose, value); 695} 696 697DELEGATE_TO_IMPL_1(useProgram, Platform3DObject) 698DELEGATE_TO_IMPL_1(validateProgram, Platform3DObject) 699 700DELEGATE_TO_IMPL_2(vertexAttrib1f, GC3Duint, GC3Dfloat) 701DELEGATE_TO_IMPL_2(vertexAttrib1fv, GC3Duint, GC3Dfloat*) 702DELEGATE_TO_IMPL_3(vertexAttrib2f, GC3Duint, GC3Dfloat, GC3Dfloat) 703DELEGATE_TO_IMPL_2(vertexAttrib2fv, GC3Duint, GC3Dfloat*) 704DELEGATE_TO_IMPL_4(vertexAttrib3f, GC3Duint, GC3Dfloat, GC3Dfloat, GC3Dfloat) 705DELEGATE_TO_IMPL_2(vertexAttrib3fv, GC3Duint, GC3Dfloat*) 706DELEGATE_TO_IMPL_5(vertexAttrib4f, GC3Duint, GC3Dfloat, GC3Dfloat, GC3Dfloat, GC3Dfloat) 707DELEGATE_TO_IMPL_2(vertexAttrib4fv, GC3Duint, GC3Dfloat*) 708DELEGATE_TO_IMPL_6(vertexAttribPointer, GC3Duint, GC3Dint, GC3Denum, GC3Dboolean, GC3Dsizei, GC3Dsizeiptr) 709 710DELEGATE_TO_IMPL_4(viewport, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 711 712DELEGATE_TO_IMPL_R(createBuffer, Platform3DObject) 713DELEGATE_TO_IMPL_R(createFramebuffer, Platform3DObject) 714DELEGATE_TO_IMPL_R(createProgram, Platform3DObject) 715DELEGATE_TO_IMPL_R(createRenderbuffer, Platform3DObject) 716DELEGATE_TO_IMPL_1R(createShader, GC3Denum, Platform3DObject) 717DELEGATE_TO_IMPL_R(createTexture, Platform3DObject) 718 719DELEGATE_TO_IMPL_1(deleteBuffer, Platform3DObject) 720DELEGATE_TO_IMPL_1(deleteFramebuffer, Platform3DObject) 721DELEGATE_TO_IMPL_1(deleteProgram, Platform3DObject) 722DELEGATE_TO_IMPL_1(deleteRenderbuffer, Platform3DObject) 723DELEGATE_TO_IMPL_1(deleteShader, Platform3DObject) 724DELEGATE_TO_IMPL_1(deleteTexture, Platform3DObject) 725 726DELEGATE_TO_IMPL_1(synthesizeGLError, GC3Denum) 727 728Extensions3D* GraphicsContext3DInternal::getExtensions() 729{ 730 if (!m_extensions) 731 m_extensions = adoptPtr(new Extensions3DChromium(this)); 732 return m_extensions.get(); 733} 734 735namespace { 736 737void 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 745String 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 755void 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 769bool 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 776bool 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 795bool GraphicsContext3DInternal::isExtensionEnabled(const String& name) 796{ 797 initializeExtensions(); 798 String mappedName = mapExtensionName(name); 799 return m_enabledExtensions.contains(mappedName); 800} 801 802DELEGATE_TO_IMPL_4R(mapBufferSubDataCHROMIUM, GC3Denum, GC3Dsizeiptr, GC3Dsizei, GC3Denum, void*) 803DELEGATE_TO_IMPL_1(unmapBufferSubDataCHROMIUM, const void*) 804DELEGATE_TO_IMPL_9R(mapTexSubImage2DCHROMIUM, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Denum, GC3Denum, GC3Denum, void*) 805DELEGATE_TO_IMPL_1(unmapTexSubImage2DCHROMIUM, const void*) 806DELEGATE_TO_IMPL_2(copyTextureToParentTextureCHROMIUM, Platform3DObject, Platform3DObject) 807DELEGATE_TO_IMPL_10(blitFramebufferCHROMIUM, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dbitfield, GC3Denum) 808DELEGATE_TO_IMPL_5(renderbufferStorageMultisampleCHROMIUM, GC3Denum, GC3Dsizei, GC3Denum, GC3Dsizei, GC3Dsizei) 809DELEGATE_TO_IMPL_1(getParentToChildLatchCHROMIUM, GC3Duint*) 810DELEGATE_TO_IMPL_1(getChildToParentLatchCHROMIUM, GC3Duint*) 811DELEGATE_TO_IMPL_1(waitLatchCHROMIUM, GC3Duint) 812DELEGATE_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) \ 822void GraphicsContext3D::name() \ 823{ \ 824 m_internal->name(); \ 825} 826 827#define DELEGATE_TO_INTERNAL_R(name, rt) \ 828rt GraphicsContext3D::name() \ 829{ \ 830 return m_internal->name(); \ 831} 832 833#define DELEGATE_TO_INTERNAL_1(name, t1) \ 834void GraphicsContext3D::name(t1 a1) \ 835{ \ 836 m_internal->name(a1); \ 837} 838 839#define DELEGATE_TO_INTERNAL_1R(name, t1, rt) \ 840rt GraphicsContext3D::name(t1 a1) \ 841{ \ 842 return m_internal->name(a1); \ 843} 844 845#define DELEGATE_TO_INTERNAL_2(name, t1, t2) \ 846void 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) \ 852rt 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) \ 858void 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) \ 864rt 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) \ 870void 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) \ 876rt 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) \ 882void 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) \ 888void 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) \ 894rt 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) \ 900void 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) \ 906rt 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) \ 912void 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) \ 918void 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) \ 924rt 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 929GraphicsContext3D::GraphicsContext3D(GraphicsContext3D::Attributes, HostWindow*, bool) 930{ 931} 932 933GraphicsContext3D::~GraphicsContext3D() 934{ 935} 936 937PassRefPtr<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 948PlatformGraphicsContext3D GraphicsContext3D::platformGraphicsContext3D() const 949{ 950 return m_internal->platformGraphicsContext3D(); 951} 952 953Platform3DObject GraphicsContext3D::platformTexture() const 954{ 955 return m_internal->platformTexture(); 956} 957 958void GraphicsContext3D::prepareTexture() 959{ 960 return m_internal->prepareTexture(); 961} 962 963#if USE(ACCELERATED_COMPOSITING) 964PlatformLayer* GraphicsContext3D::platformLayer() const 965{ 966 WebGLLayerChromium* canvasLayer = m_internal->platformLayer(); 967 canvasLayer->setContext(this); 968 return canvasLayer; 969} 970#endif 971 972DELEGATE_TO_INTERNAL(makeContextCurrent) 973DELEGATE_TO_INTERNAL_2(reshape, int, int) 974DELEGATE_TO_INTERNAL_R(getInternalFramebufferSize, IntSize) 975 976DELEGATE_TO_INTERNAL_1(activeTexture, GC3Denum) 977DELEGATE_TO_INTERNAL_2(attachShader, Platform3DObject, Platform3DObject) 978DELEGATE_TO_INTERNAL_3(bindAttribLocation, Platform3DObject, GC3Duint, const String&) 979 980DELEGATE_TO_INTERNAL_2(bindBuffer, GC3Denum, Platform3DObject) 981DELEGATE_TO_INTERNAL_2(bindFramebuffer, GC3Denum, Platform3DObject) 982DELEGATE_TO_INTERNAL_2(bindRenderbuffer, GC3Denum, Platform3DObject) 983DELEGATE_TO_INTERNAL_2(bindTexture, GC3Denum, Platform3DObject) 984DELEGATE_TO_INTERNAL_4(blendColor, GC3Dclampf, GC3Dclampf, GC3Dclampf, GC3Dclampf) 985DELEGATE_TO_INTERNAL_1(blendEquation, GC3Denum) 986DELEGATE_TO_INTERNAL_2(blendEquationSeparate, GC3Denum, GC3Denum) 987DELEGATE_TO_INTERNAL_2(blendFunc, GC3Denum, GC3Denum) 988DELEGATE_TO_INTERNAL_4(blendFuncSeparate, GC3Denum, GC3Denum, GC3Denum, GC3Denum) 989 990DELEGATE_TO_INTERNAL_3(bufferData, GC3Denum, GC3Dsizeiptr, GC3Denum) 991DELEGATE_TO_INTERNAL_4(bufferData, GC3Denum, GC3Dsizeiptr, const void*, GC3Denum) 992DELEGATE_TO_INTERNAL_4(bufferSubData, GC3Denum, GC3Dintptr, GC3Dsizeiptr, const void*) 993 994DELEGATE_TO_INTERNAL_1R(checkFramebufferStatus, GC3Denum, GC3Denum) 995DELEGATE_TO_INTERNAL_1(clear, GC3Dbitfield) 996DELEGATE_TO_INTERNAL_4(clearColor, GC3Dclampf, GC3Dclampf, GC3Dclampf, GC3Dclampf) 997DELEGATE_TO_INTERNAL_1(clearDepth, GC3Dclampf) 998DELEGATE_TO_INTERNAL_1(clearStencil, GC3Dint) 999DELEGATE_TO_INTERNAL_4(colorMask, GC3Dboolean, GC3Dboolean, GC3Dboolean, GC3Dboolean) 1000DELEGATE_TO_INTERNAL_1(compileShader, Platform3DObject) 1001 1002DELEGATE_TO_INTERNAL_8(copyTexImage2D, GC3Denum, GC3Dint, GC3Denum, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Dint) 1003DELEGATE_TO_INTERNAL_8(copyTexSubImage2D, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 1004DELEGATE_TO_INTERNAL_1(cullFace, GC3Denum) 1005DELEGATE_TO_INTERNAL_1(depthFunc, GC3Denum) 1006DELEGATE_TO_INTERNAL_1(depthMask, GC3Dboolean) 1007DELEGATE_TO_INTERNAL_2(depthRange, GC3Dclampf, GC3Dclampf) 1008DELEGATE_TO_INTERNAL_2(detachShader, Platform3DObject, Platform3DObject) 1009DELEGATE_TO_INTERNAL_1(disable, GC3Denum) 1010DELEGATE_TO_INTERNAL_1(disableVertexAttribArray, GC3Duint) 1011DELEGATE_TO_INTERNAL_3(drawArrays, GC3Denum, GC3Dint, GC3Dsizei) 1012DELEGATE_TO_INTERNAL_4(drawElements, GC3Denum, GC3Dsizei, GC3Denum, GC3Dintptr) 1013 1014DELEGATE_TO_INTERNAL_1(enable, GC3Denum) 1015DELEGATE_TO_INTERNAL_1(enableVertexAttribArray, GC3Duint) 1016DELEGATE_TO_INTERNAL(finish) 1017DELEGATE_TO_INTERNAL(flush) 1018DELEGATE_TO_INTERNAL_4(framebufferRenderbuffer, GC3Denum, GC3Denum, GC3Denum, Platform3DObject) 1019DELEGATE_TO_INTERNAL_5(framebufferTexture2D, GC3Denum, GC3Denum, GC3Denum, Platform3DObject, GC3Dint) 1020DELEGATE_TO_INTERNAL_1(frontFace, GC3Denum) 1021DELEGATE_TO_INTERNAL_1(generateMipmap, GC3Denum) 1022 1023DELEGATE_TO_INTERNAL_3R(getActiveAttrib, Platform3DObject, GC3Duint, ActiveInfo&, bool) 1024DELEGATE_TO_INTERNAL_3R(getActiveUniform, Platform3DObject, GC3Duint, ActiveInfo&, bool) 1025DELEGATE_TO_INTERNAL_4(getAttachedShaders, Platform3DObject, GC3Dsizei, GC3Dsizei*, Platform3DObject*) 1026DELEGATE_TO_INTERNAL_2R(getAttribLocation, Platform3DObject, const String&, GC3Dint) 1027DELEGATE_TO_INTERNAL_2(getBooleanv, GC3Denum, GC3Dboolean*) 1028DELEGATE_TO_INTERNAL_3(getBufferParameteriv, GC3Denum, GC3Denum, GC3Dint*) 1029DELEGATE_TO_INTERNAL_R(getContextAttributes, GraphicsContext3D::Attributes) 1030DELEGATE_TO_INTERNAL_R(getError, GC3Denum) 1031DELEGATE_TO_INTERNAL_2(getFloatv, GC3Denum, GC3Dfloat*) 1032DELEGATE_TO_INTERNAL_4(getFramebufferAttachmentParameteriv, GC3Denum, GC3Denum, GC3Denum, GC3Dint*) 1033DELEGATE_TO_INTERNAL_2(getIntegerv, GC3Denum, GC3Dint*) 1034DELEGATE_TO_INTERNAL_3(getProgramiv, Platform3DObject, GC3Denum, GC3Dint*) 1035DELEGATE_TO_INTERNAL_1R(getProgramInfoLog, Platform3DObject, String) 1036DELEGATE_TO_INTERNAL_3(getRenderbufferParameteriv, GC3Denum, GC3Denum, GC3Dint*) 1037DELEGATE_TO_INTERNAL_3(getShaderiv, Platform3DObject, GC3Denum, GC3Dint*) 1038DELEGATE_TO_INTERNAL_1R(getShaderInfoLog, Platform3DObject, String) 1039DELEGATE_TO_INTERNAL_1R(getShaderSource, Platform3DObject, String) 1040DELEGATE_TO_INTERNAL_1R(getString, GC3Denum, String) 1041DELEGATE_TO_INTERNAL_3(getTexParameterfv, GC3Denum, GC3Denum, GC3Dfloat*) 1042DELEGATE_TO_INTERNAL_3(getTexParameteriv, GC3Denum, GC3Denum, GC3Dint*) 1043DELEGATE_TO_INTERNAL_3(getUniformfv, Platform3DObject, GC3Dint, GC3Dfloat*) 1044DELEGATE_TO_INTERNAL_3(getUniformiv, Platform3DObject, GC3Dint, GC3Dint*) 1045DELEGATE_TO_INTERNAL_2R(getUniformLocation, Platform3DObject, const String&, GC3Dint) 1046DELEGATE_TO_INTERNAL_3(getVertexAttribfv, GC3Duint, GC3Denum, GC3Dfloat*) 1047DELEGATE_TO_INTERNAL_3(getVertexAttribiv, GC3Duint, GC3Denum, GC3Dint*) 1048DELEGATE_TO_INTERNAL_2R(getVertexAttribOffset, GC3Duint, GC3Denum, GC3Dsizeiptr) 1049 1050DELEGATE_TO_INTERNAL_2(hint, GC3Denum, GC3Denum) 1051DELEGATE_TO_INTERNAL_1R(isBuffer, Platform3DObject, GC3Dboolean) 1052DELEGATE_TO_INTERNAL_1R(isEnabled, GC3Denum, GC3Dboolean) 1053DELEGATE_TO_INTERNAL_1R(isFramebuffer, Platform3DObject, GC3Dboolean) 1054DELEGATE_TO_INTERNAL_1R(isProgram, Platform3DObject, GC3Dboolean) 1055DELEGATE_TO_INTERNAL_1R(isRenderbuffer, Platform3DObject, GC3Dboolean) 1056DELEGATE_TO_INTERNAL_1R(isShader, Platform3DObject, GC3Dboolean) 1057DELEGATE_TO_INTERNAL_1R(isTexture, Platform3DObject, GC3Dboolean) 1058DELEGATE_TO_INTERNAL_1(lineWidth, GC3Dfloat) 1059DELEGATE_TO_INTERNAL_1(linkProgram, Platform3DObject) 1060DELEGATE_TO_INTERNAL_2(pixelStorei, GC3Denum, GC3Dint) 1061DELEGATE_TO_INTERNAL_2(polygonOffset, GC3Dfloat, GC3Dfloat) 1062 1063DELEGATE_TO_INTERNAL_7(readPixels, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Denum, GC3Denum, void*) 1064 1065DELEGATE_TO_INTERNAL(releaseShaderCompiler) 1066DELEGATE_TO_INTERNAL_4(renderbufferStorage, GC3Denum, GC3Denum, GC3Dsizei, GC3Dsizei) 1067DELEGATE_TO_INTERNAL_2(sampleCoverage, GC3Dclampf, GC3Dboolean) 1068DELEGATE_TO_INTERNAL_4(scissor, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 1069DELEGATE_TO_INTERNAL_2(shaderSource, Platform3DObject, const String&) 1070DELEGATE_TO_INTERNAL_3(stencilFunc, GC3Denum, GC3Dint, GC3Duint) 1071DELEGATE_TO_INTERNAL_4(stencilFuncSeparate, GC3Denum, GC3Denum, GC3Dint, GC3Duint) 1072DELEGATE_TO_INTERNAL_1(stencilMask, GC3Duint) 1073DELEGATE_TO_INTERNAL_2(stencilMaskSeparate, GC3Denum, GC3Duint) 1074DELEGATE_TO_INTERNAL_3(stencilOp, GC3Denum, GC3Denum, GC3Denum) 1075DELEGATE_TO_INTERNAL_4(stencilOpSeparate, GC3Denum, GC3Denum, GC3Denum, GC3Denum) 1076 1077DELEGATE_TO_INTERNAL_9R(texImage2D, GC3Denum, GC3Dint, GC3Denum, GC3Dsizei, GC3Dsizei, GC3Dint, GC3Denum, GC3Denum, const void*, bool) 1078DELEGATE_TO_INTERNAL_3(texParameterf, GC3Denum, GC3Denum, GC3Dfloat) 1079DELEGATE_TO_INTERNAL_3(texParameteri, GC3Denum, GC3Denum, GC3Dint) 1080DELEGATE_TO_INTERNAL_9(texSubImage2D, GC3Denum, GC3Dint, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei, GC3Denum, GC3Denum, const void*) 1081 1082DELEGATE_TO_INTERNAL_2(uniform1f, GC3Dint, GC3Dfloat) 1083DELEGATE_TO_INTERNAL_3(uniform1fv, GC3Dint, GC3Dfloat*, GC3Dsizei) 1084DELEGATE_TO_INTERNAL_2(uniform1i, GC3Dint, GC3Dint) 1085DELEGATE_TO_INTERNAL_3(uniform1iv, GC3Dint, GC3Dint*, GC3Dsizei) 1086DELEGATE_TO_INTERNAL_3(uniform2f, GC3Dint, GC3Dfloat, GC3Dfloat) 1087DELEGATE_TO_INTERNAL_3(uniform2fv, GC3Dint, GC3Dfloat*, GC3Dsizei) 1088DELEGATE_TO_INTERNAL_3(uniform2i, GC3Dint, GC3Dint, GC3Dint) 1089DELEGATE_TO_INTERNAL_3(uniform2iv, GC3Dint, GC3Dint*, GC3Dsizei) 1090DELEGATE_TO_INTERNAL_4(uniform3f, GC3Dint, GC3Dfloat, GC3Dfloat, GC3Dfloat) 1091DELEGATE_TO_INTERNAL_3(uniform3fv, GC3Dint, GC3Dfloat*, GC3Dsizei) 1092DELEGATE_TO_INTERNAL_4(uniform3i, GC3Dint, GC3Dint, GC3Dint, GC3Dint) 1093DELEGATE_TO_INTERNAL_3(uniform3iv, GC3Dint, GC3Dint*, GC3Dsizei) 1094DELEGATE_TO_INTERNAL_5(uniform4f, GC3Dint, GC3Dfloat, GC3Dfloat, GC3Dfloat, GC3Dfloat) 1095DELEGATE_TO_INTERNAL_3(uniform4fv, GC3Dint, GC3Dfloat*, GC3Dsizei) 1096DELEGATE_TO_INTERNAL_5(uniform4i, GC3Dint, GC3Dint, GC3Dint, GC3Dint, GC3Dint) 1097DELEGATE_TO_INTERNAL_3(uniform4iv, GC3Dint, GC3Dint*, GC3Dsizei) 1098DELEGATE_TO_INTERNAL_4(uniformMatrix2fv, GC3Dint, GC3Dboolean, GC3Dfloat*, GC3Dsizei) 1099DELEGATE_TO_INTERNAL_4(uniformMatrix3fv, GC3Dint, GC3Dboolean, GC3Dfloat*, GC3Dsizei) 1100DELEGATE_TO_INTERNAL_4(uniformMatrix4fv, GC3Dint, GC3Dboolean, GC3Dfloat*, GC3Dsizei) 1101 1102DELEGATE_TO_INTERNAL_1(useProgram, Platform3DObject) 1103DELEGATE_TO_INTERNAL_1(validateProgram, Platform3DObject) 1104 1105DELEGATE_TO_INTERNAL_2(vertexAttrib1f, GC3Duint, GC3Dfloat) 1106DELEGATE_TO_INTERNAL_2(vertexAttrib1fv, GC3Duint, GC3Dfloat*) 1107DELEGATE_TO_INTERNAL_3(vertexAttrib2f, GC3Duint, GC3Dfloat, GC3Dfloat) 1108DELEGATE_TO_INTERNAL_2(vertexAttrib2fv, GC3Duint, GC3Dfloat*) 1109DELEGATE_TO_INTERNAL_4(vertexAttrib3f, GC3Duint, GC3Dfloat, GC3Dfloat, GC3Dfloat) 1110DELEGATE_TO_INTERNAL_2(vertexAttrib3fv, GC3Duint, GC3Dfloat*) 1111DELEGATE_TO_INTERNAL_5(vertexAttrib4f, GC3Duint, GC3Dfloat, GC3Dfloat, GC3Dfloat, GC3Dfloat) 1112DELEGATE_TO_INTERNAL_2(vertexAttrib4fv, GC3Duint, GC3Dfloat*) 1113DELEGATE_TO_INTERNAL_6(vertexAttribPointer, GC3Duint, GC3Dint, GC3Denum, GC3Dboolean, GC3Dsizei, GC3Dintptr) 1114 1115DELEGATE_TO_INTERNAL_4(viewport, GC3Dint, GC3Dint, GC3Dsizei, GC3Dsizei) 1116 1117DELEGATE_TO_INTERNAL(markLayerComposited) 1118DELEGATE_TO_INTERNAL(markContextChanged) 1119 1120bool GraphicsContext3D::layerComposited() const 1121{ 1122 return m_internal->layerComposited(); 1123} 1124 1125DELEGATE_TO_INTERNAL_1(paintRenderingResultsToCanvas, CanvasRenderingContext*) 1126DELEGATE_TO_INTERNAL_R(paintRenderingResultsToImageData, PassRefPtr<ImageData>) 1127 1128bool GraphicsContext3D::paintsIntoCanvasBuffer() const 1129{ 1130 return m_internal->paintsIntoCanvasBuffer(); 1131} 1132 1133DELEGATE_TO_INTERNAL_R(createBuffer, Platform3DObject) 1134DELEGATE_TO_INTERNAL_R(createFramebuffer, Platform3DObject) 1135DELEGATE_TO_INTERNAL_R(createProgram, Platform3DObject) 1136DELEGATE_TO_INTERNAL_R(createRenderbuffer, Platform3DObject) 1137DELEGATE_TO_INTERNAL_1R(createShader, GC3Denum, Platform3DObject) 1138DELEGATE_TO_INTERNAL_R(createTexture, Platform3DObject) 1139 1140DELEGATE_TO_INTERNAL_1(deleteBuffer, Platform3DObject) 1141DELEGATE_TO_INTERNAL_1(deleteFramebuffer, Platform3DObject) 1142DELEGATE_TO_INTERNAL_1(deleteProgram, Platform3DObject) 1143DELEGATE_TO_INTERNAL_1(deleteRenderbuffer, Platform3DObject) 1144DELEGATE_TO_INTERNAL_1(deleteShader, Platform3DObject) 1145DELEGATE_TO_INTERNAL_1(deleteTexture, Platform3DObject) 1146 1147DELEGATE_TO_INTERNAL_1(synthesizeGLError, GC3Denum) 1148DELEGATE_TO_INTERNAL_R(getExtensions, Extensions3D*) 1149 1150DELEGATE_TO_INTERNAL_1(setContextLostCallback, PassOwnPtr<GraphicsContext3D::ContextLostCallback>) 1151 1152class GraphicsContextLostCallbackAdapter : public WebKit::WebGraphicsContext3D::WebGraphicsContextLostCallback { 1153public: 1154 virtual void onContextLost(); 1155 static PassOwnPtr<GraphicsContextLostCallbackAdapter> create(PassOwnPtr<GraphicsContext3D::ContextLostCallback>); 1156 virtual ~GraphicsContextLostCallbackAdapter() {} 1157private: 1158 GraphicsContextLostCallbackAdapter(PassOwnPtr<GraphicsContext3D::ContextLostCallback> cb) : m_contextLostCallback(cb) {} 1159 OwnPtr<GraphicsContext3D::ContextLostCallback> m_contextLostCallback; 1160}; 1161 1162void GraphicsContextLostCallbackAdapter::onContextLost() 1163{ 1164 if (m_contextLostCallback) 1165 m_contextLostCallback->onContextLost(); 1166} 1167 1168PassOwnPtr<GraphicsContextLostCallbackAdapter> GraphicsContextLostCallbackAdapter::create(PassOwnPtr<GraphicsContext3D::ContextLostCallback> cb) 1169{ 1170 return adoptPtr(new GraphicsContextLostCallbackAdapter(cb)); 1171} 1172 1173void GraphicsContext3DInternal::setContextLostCallback(PassOwnPtr<GraphicsContext3D::ContextLostCallback> cb) 1174{ 1175 m_contextLostCallbackAdapter = GraphicsContextLostCallbackAdapter::create(cb); 1176 m_impl->setContextLostCallback(m_contextLostCallbackAdapter.get()); 1177} 1178 1179bool GraphicsContext3D::isGLES2Compliant() const 1180{ 1181 return m_internal->isGLES2Compliant(); 1182} 1183 1184} // namespace WebCore 1185 1186#endif // ENABLE(WEBGL) 1187