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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/renderer/gpu/webgraphicscontext3d_command_buffer_impl.h" | |
| 6 | |
| 7 #include "third_party/khronos/GLES2/gl2.h" | |
| 8 #ifndef GL_GLEXT_PROTOTYPES | |
| 9 #define GL_GLEXT_PROTOTYPES 1 | |
| 10 #endif | |
| 11 #include "third_party/khronos/GLES2/gl2ext.h" | |
| 12 | |
| 13 #include <algorithm> | |
| 14 #include <set> | |
| 15 | |
| 16 #include "base/bind.h" | |
| 17 #include "base/lazy_instance.h" | |
| 18 #include "base/string_tokenizer.h" | |
| 19 #include "base/command_line.h" | |
| 20 #include "base/debug/trace_event.h" | |
| 21 #include "base/logging.h" | |
| 22 #include "base/message_loop.h" | |
| 23 #include "base/metrics/histogram.h" | |
| 24 #include "base/synchronization/lock.h" | |
| 25 #include "content/public/common/content_switches.h" | |
| 26 #include "content/renderer/gpu/command_buffer_proxy.h" | |
| 27 #include "content/renderer/gpu/gpu_channel_host.h" | |
| 28 #include "content/renderer/render_view_impl.h" | |
| 29 #include "gpu/command_buffer/client/gles2_implementation.h" | |
| 30 #include "gpu/command_buffer/common/constants.h" | |
| 31 #include "webkit/glue/gl_bindings_skia_cmd_buffer.h" | |
| 32 | |
| 33 static base::LazyInstance<base::Lock>::Leaky | |
| 34 g_all_shared_contexts_lock = LAZY_INSTANCE_INITIALIZER; | |
| 35 static base::LazyInstance<std::set<WebGraphicsContext3DCommandBufferImpl*> > | |
| 36 g_all_shared_contexts = LAZY_INSTANCE_INITIALIZER; | |
| 37 | |
| 38 namespace { | |
| 39 | |
| 40 void ClearSharedContexts() { | |
| 41 base::AutoLock lock(g_all_shared_contexts_lock.Get()); | |
| 42 g_all_shared_contexts.Pointer()->clear(); | |
| 43 } | |
| 44 | |
| 45 } // namespace anonymous | |
| 46 | |
| 47 | |
| 48 WebGraphicsContext3DCommandBufferImpl::WebGraphicsContext3DCommandBufferImpl( | |
| 49 int surface_id, | |
| 50 const GURL& active_url, | |
| 51 const base::WeakPtr<WebGraphicsContext3DSwapBuffersClient>& swap_client) | |
| 52 : initialize_failed_(false), | |
| 53 context_(NULL), | |
| 54 gl_(NULL), | |
| 55 host_(NULL), | |
| 56 surface_id_(surface_id), | |
| 57 active_url_(active_url), | |
| 58 swap_client_(swap_client), | |
| 59 context_lost_callback_(0), | |
| 60 context_lost_reason_(GL_NO_ERROR), | |
| 61 swapbuffers_complete_callback_(0), | |
| 62 gpu_preference_(gfx::PreferIntegratedGpu), | |
| 63 cached_width_(0), | |
| 64 cached_height_(0), | |
| 65 bound_fbo_(0), | |
| 66 weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) { | |
| 67 } | |
| 68 | |
| 69 WebGraphicsContext3DCommandBufferImpl:: | |
| 70 ~WebGraphicsContext3DCommandBufferImpl() { | |
| 71 if (host_) { | |
| 72 if (host_->WillGpuSwitchOccur(false, gpu_preference_)) { | |
| 73 host_->ForciblyCloseChannel(); | |
| 74 ClearSharedContexts(); | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 { | |
| 79 base::AutoLock lock(g_all_shared_contexts_lock.Get()); | |
| 80 g_all_shared_contexts.Pointer()->erase(this); | |
| 81 } | |
| 82 delete context_; | |
| 83 } | |
| 84 | |
| 85 bool WebGraphicsContext3DCommandBufferImpl::Initialize( | |
| 86 const WebGraphicsContext3D::Attributes& attributes) { | |
| 87 DCHECK(!context_); | |
| 88 TRACE_EVENT0("gpu", "WebGfxCtx3DCmdBfrImpl::initialize"); | |
| 89 GpuChannelHostFactory* factory = GpuChannelHostFactory::instance(); | |
| 90 if (!factory) | |
| 91 return false; | |
| 92 | |
| 93 // The noExtensions and canRecoverFromContextLoss flags are | |
| 94 // currently used as hints that we are creating a context on | |
| 95 // behalf of WebGL or accelerated 2D canvas, respectively. | |
| 96 if (attributes.noExtensions || !attributes.canRecoverFromContextLoss) | |
| 97 gpu_preference_ = gfx::PreferDiscreteGpu; | |
| 98 | |
| 99 bool retry = false; | |
| 100 | |
| 101 // Note similar code in Pepper PlatformContext3DImpl::Init. | |
| 102 do { | |
| 103 host_ = factory->EstablishGpuChannelSync( | |
| 104 content:: | |
| 105 CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE); | |
| 106 if (!host_) | |
| 107 return false; | |
| 108 DCHECK(host_->state() == GpuChannelHost::kConnected); | |
| 109 | |
| 110 if (!retry) { | |
| 111 // If the creation of this context requires all contexts for this | |
| 112 // renderer to be destroyed on the GPU process side, then drop the | |
| 113 // channel and recreate it. | |
| 114 if (host_->WillGpuSwitchOccur(true, gpu_preference_)) { | |
| 115 host_->ForciblyCloseChannel(); | |
| 116 ClearSharedContexts(); | |
| 117 retry = true; | |
| 118 } | |
| 119 } else { | |
| 120 retry = false; | |
| 121 } | |
| 122 } while (retry); | |
| 123 | |
| 124 const content::GPUInfo& gpu_info = host_->gpu_info(); | |
| 125 UMA_HISTOGRAM_ENUMERATION( | |
| 126 "GPU.WebGraphicsContext3D_Init_CanLoseContext", | |
| 127 attributes.canRecoverFromContextLoss * 2 + gpu_info.can_lose_context, | |
| 128 4); | |
| 129 if (attributes.canRecoverFromContextLoss == false) { | |
| 130 if (gpu_info.can_lose_context) | |
| 131 return false; | |
| 132 } | |
| 133 | |
| 134 attributes_ = attributes; | |
| 135 return true; | |
| 136 } | |
| 137 | |
| 138 bool WebGraphicsContext3DCommandBufferImpl::MaybeInitializeGL() { | |
| 139 if (context_) | |
| 140 return true; | |
| 141 if (initialize_failed_) | |
| 142 return false; | |
| 143 | |
| 144 TRACE_EVENT0("gpu", "WebGfxCtx3DCmdBfrImpl::MaybeInitializeGL"); | |
| 145 | |
| 146 // If the context is being initialized on something other than the main | |
| 147 // thread, then make sure the swap_client_ pointer is NULL so we don't | |
| 148 // accidentally dereference it. | |
| 149 GpuChannelHostFactory* factory = GpuChannelHostFactory::instance(); | |
| 150 if (!factory || !factory->IsMainThread()) | |
| 151 DCHECK(!swap_client_.get()); | |
| 152 | |
| 153 // Convert WebGL context creation attributes into RendererGLContext / EGL size | |
| 154 // requests. | |
| 155 const int alpha_size = attributes_.alpha ? 8 : 0; | |
| 156 const int depth_size = attributes_.depth ? 24 : 0; | |
| 157 const int stencil_size = attributes_.stencil ? 8 : 0; | |
| 158 const int samples = attributes_.antialias ? 4 : 0; | |
| 159 const int sample_buffers = attributes_.antialias ? 1 : 0; | |
| 160 const int32 attribs[] = { | |
| 161 RendererGLContext::ALPHA_SIZE, alpha_size, | |
| 162 RendererGLContext::DEPTH_SIZE, depth_size, | |
| 163 RendererGLContext::STENCIL_SIZE, stencil_size, | |
| 164 RendererGLContext::SAMPLES, samples, | |
| 165 RendererGLContext::SAMPLE_BUFFERS, sample_buffers, | |
| 166 RendererGLContext::SHARE_RESOURCES, attributes_.shareResources ? 1 : 0, | |
| 167 RendererGLContext::BIND_GENERATES_RESOURCES, 0, | |
| 168 RendererGLContext::NONE, | |
| 169 }; | |
| 170 | |
| 171 const char* preferred_extensions = "*"; | |
| 172 | |
| 173 // We need to lock g_all_shared_contexts until after RendererGLContext::Create | |
| 174 // to ensure that the context we picked for our share group isn't deleted. | |
| 175 // (There's also a lock in our destructor.) | |
| 176 { | |
| 177 base::AutoLock lock(g_all_shared_contexts_lock.Get()); | |
| 178 RendererGLContext* share_group = NULL; | |
| 179 if (attributes_.shareResources) { | |
| 180 share_group = g_all_shared_contexts.Pointer()->empty() ? | |
| 181 NULL : (*g_all_shared_contexts.Pointer()->begin())->context_; | |
| 182 } | |
| 183 | |
| 184 if (surface_id_) { | |
| 185 context_ = RendererGLContext::CreateViewContext( | |
| 186 host_, | |
| 187 surface_id_, | |
| 188 share_group, | |
| 189 preferred_extensions, | |
| 190 attribs, | |
| 191 active_url_, | |
| 192 gpu_preference_); | |
| 193 } else { | |
| 194 context_ = RendererGLContext::CreateOffscreenContext( | |
| 195 host_, | |
| 196 gfx::Size(1, 1), | |
| 197 share_group, | |
| 198 preferred_extensions, | |
| 199 attribs, | |
| 200 active_url_, | |
| 201 gpu_preference_); | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 if (!context_) | |
| 206 return false; | |
| 207 | |
| 208 gl_ = context_->GetImplementation(); | |
| 209 | |
| 210 // TODO(twiz): This code is too fragile in that it assumes that only WebGL | |
| 211 // contexts will request noExtensions. | |
| 212 if (gl_ && attributes_.noExtensions) | |
| 213 gl_->EnableFeatureCHROMIUM("webgl_enable_glsl_webgl_validation"); | |
| 214 | |
| 215 context_->SetContextLostCallback( | |
| 216 base::Bind(&WebGraphicsContext3DCommandBufferImpl::OnContextLost, | |
| 217 weak_ptr_factory_.GetWeakPtr())); | |
| 218 | |
| 219 // TODO(gman): Remove this. | |
| 220 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | |
| 221 if (command_line.HasSwitch(switches::kDisableGLSLTranslator)) { | |
| 222 context_->DisableShaderTranslation(); | |
| 223 } | |
| 224 | |
| 225 // Set attributes_ from created offscreen context. | |
| 226 { | |
| 227 GLint alpha_bits = 0; | |
| 228 getIntegerv(GL_ALPHA_BITS, &alpha_bits); | |
| 229 attributes_.alpha = alpha_bits > 0; | |
| 230 GLint depth_bits = 0; | |
| 231 getIntegerv(GL_DEPTH_BITS, &depth_bits); | |
| 232 attributes_.depth = depth_bits > 0; | |
| 233 GLint stencil_bits = 0; | |
| 234 getIntegerv(GL_STENCIL_BITS, &stencil_bits); | |
| 235 attributes_.stencil = stencil_bits > 0; | |
| 236 GLint samples = 0; | |
| 237 getIntegerv(GL_SAMPLES, &samples); | |
| 238 attributes_.antialias = samples > 0; | |
| 239 } | |
| 240 | |
| 241 if (attributes_.shareResources) { | |
| 242 base::AutoLock lock(g_all_shared_contexts_lock.Get()); | |
| 243 g_all_shared_contexts.Pointer()->insert(this); | |
| 244 } | |
| 245 | |
| 246 return true; | |
| 247 } | |
| 248 | |
| 249 bool WebGraphicsContext3DCommandBufferImpl::makeContextCurrent() { | |
| 250 if (!MaybeInitializeGL()) | |
| 251 return false; | |
| 252 return RendererGLContext::MakeCurrent(context_); | |
| 253 } | |
| 254 | |
| 255 int WebGraphicsContext3DCommandBufferImpl::width() { | |
| 256 return cached_width_; | |
| 257 } | |
| 258 | |
| 259 int WebGraphicsContext3DCommandBufferImpl::height() { | |
| 260 return cached_height_; | |
| 261 } | |
| 262 | |
| 263 bool WebGraphicsContext3DCommandBufferImpl::isGLES2Compliant() { | |
| 264 return true; | |
| 265 } | |
| 266 | |
| 267 bool WebGraphicsContext3DCommandBufferImpl::setParentContext( | |
| 268 WebGraphicsContext3D* parent_context) { | |
| 269 WebGraphicsContext3DCommandBufferImpl* parent_context_impl = | |
| 270 static_cast<WebGraphicsContext3DCommandBufferImpl*>(parent_context); | |
| 271 return context_->SetParent( | |
| 272 parent_context_impl ? parent_context_impl->context() : NULL); | |
| 273 } | |
| 274 | |
| 275 WebGLId WebGraphicsContext3DCommandBufferImpl::getPlatformTextureId() { | |
| 276 return context_->GetParentTextureId(); | |
| 277 } | |
| 278 | |
| 279 void WebGraphicsContext3DCommandBufferImpl::prepareTexture() { | |
| 280 // Copies the contents of the off-screen render target into the texture | |
| 281 // used by the compositor. | |
| 282 if (swap_client_.get()) | |
| 283 swap_client_->OnViewContextSwapBuffersPosted(); | |
| 284 context_->SwapBuffers(); | |
| 285 context_->Echo(base::Bind( | |
| 286 &WebGraphicsContext3DCommandBufferImpl::OnSwapBuffersComplete, | |
| 287 weak_ptr_factory_.GetWeakPtr())); | |
| 288 #if defined(OS_MACOSX) | |
| 289 // It appears that making the compositor's on-screen context current on | |
| 290 // other platforms implies this flush. TODO(kbr): this means that the | |
| 291 // TOUCH build and, in the future, other platforms might need this. | |
| 292 gl_->Flush(); | |
| 293 #endif | |
| 294 } | |
| 295 | |
| 296 void WebGraphicsContext3DCommandBufferImpl::postSubBufferCHROMIUM( | |
| 297 int x, int y, int width, int height) { | |
| 298 // Same flow control as WebGraphicsContext3DCommandBufferImpl::prepareTexture | |
| 299 // (see above). | |
| 300 if (swap_client_.get()) | |
| 301 swap_client_->OnViewContextSwapBuffersPosted(); | |
| 302 gl_->PostSubBufferCHROMIUM(x, y, width, height); | |
| 303 context_->Echo(base::Bind( | |
| 304 &WebGraphicsContext3DCommandBufferImpl::OnSwapBuffersComplete, | |
| 305 weak_ptr_factory_.GetWeakPtr())); | |
| 306 } | |
| 307 | |
| 308 void WebGraphicsContext3DCommandBufferImpl::reshape(int width, int height) { | |
| 309 cached_width_ = width; | |
| 310 cached_height_ = height; | |
| 311 | |
| 312 gl_->ResizeCHROMIUM(width, height); | |
| 313 | |
| 314 #ifdef FLIP_FRAMEBUFFER_VERTICALLY | |
| 315 scanline_.reset(new uint8[width * 4]); | |
| 316 #endif // FLIP_FRAMEBUFFER_VERTICALLY | |
| 317 } | |
| 318 | |
| 319 #ifdef FLIP_FRAMEBUFFER_VERTICALLY | |
| 320 void WebGraphicsContext3DCommandBufferImpl::FlipVertically( | |
| 321 uint8* framebuffer, | |
| 322 unsigned int width, | |
| 323 unsigned int height) { | |
| 324 uint8* scanline = scanline_.get(); | |
| 325 if (!scanline) | |
| 326 return; | |
| 327 unsigned int row_bytes = width * 4; | |
| 328 unsigned int count = height / 2; | |
| 329 for (unsigned int i = 0; i < count; i++) { | |
| 330 uint8* row_a = framebuffer + i * row_bytes; | |
| 331 uint8* row_b = framebuffer + (height - i - 1) * row_bytes; | |
| 332 // TODO(kbr): this is where the multiplication of the alpha | |
| 333 // channel into the color buffer will need to occur if the | |
| 334 // user specifies the "premultiplyAlpha" flag in the context | |
| 335 // creation attributes. | |
| 336 memcpy(scanline, row_b, row_bytes); | |
| 337 memcpy(row_b, row_a, row_bytes); | |
| 338 memcpy(row_a, scanline, row_bytes); | |
| 339 } | |
| 340 } | |
| 341 #endif | |
| 342 | |
| 343 bool WebGraphicsContext3DCommandBufferImpl::readBackFramebuffer( | |
| 344 unsigned char* pixels, | |
| 345 size_t buffer_size, | |
| 346 WebGLId buffer, | |
| 347 int width, | |
| 348 int height) { | |
| 349 if (buffer_size != static_cast<size_t>(4 * width * height)) { | |
| 350 return false; | |
| 351 } | |
| 352 | |
| 353 // Earlier versions of this code used the GPU to flip the | |
| 354 // framebuffer vertically before reading it back for compositing | |
| 355 // via software. This code was quite complicated, used a lot of | |
| 356 // GPU memory, and didn't provide an obvious speedup. Since this | |
| 357 // vertical flip is only a temporary solution anyway until Chrome | |
| 358 // is fully GPU composited, it wasn't worth the complexity. | |
| 359 | |
| 360 bool mustRestoreFBO = (bound_fbo_ != buffer); | |
| 361 if (mustRestoreFBO) { | |
| 362 gl_->BindFramebuffer(GL_FRAMEBUFFER, buffer); | |
| 363 } | |
| 364 gl_->ReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels); | |
| 365 | |
| 366 // Swizzle red and blue channels | |
| 367 // TODO(kbr): expose GL_BGRA as extension | |
| 368 for (size_t i = 0; i < buffer_size; i += 4) { | |
| 369 std::swap(pixels[i], pixels[i + 2]); | |
| 370 } | |
| 371 | |
| 372 if (mustRestoreFBO) { | |
| 373 gl_->BindFramebuffer(GL_FRAMEBUFFER, bound_fbo_); | |
| 374 } | |
| 375 | |
| 376 #ifdef FLIP_FRAMEBUFFER_VERTICALLY | |
| 377 if (pixels) { | |
| 378 FlipVertically(pixels, width, height); | |
| 379 } | |
| 380 #endif | |
| 381 | |
| 382 return true; | |
| 383 } | |
| 384 | |
| 385 bool WebGraphicsContext3DCommandBufferImpl::readBackFramebuffer( | |
| 386 unsigned char* pixels, | |
| 387 size_t buffer_size) { | |
| 388 return readBackFramebuffer(pixels, buffer_size, 0, width(), height()); | |
| 389 } | |
| 390 | |
| 391 void WebGraphicsContext3DCommandBufferImpl::synthesizeGLError( | |
| 392 WGC3Denum error) { | |
| 393 if (std::find(synthetic_errors_.begin(), synthetic_errors_.end(), error) == | |
| 394 synthetic_errors_.end()) { | |
| 395 synthetic_errors_.push_back(error); | |
| 396 } | |
| 397 } | |
| 398 | |
| 399 void* WebGraphicsContext3DCommandBufferImpl::mapBufferSubDataCHROMIUM( | |
| 400 WGC3Denum target, | |
| 401 WGC3Dintptr offset, | |
| 402 WGC3Dsizeiptr size, | |
| 403 WGC3Denum access) { | |
| 404 return gl_->MapBufferSubDataCHROMIUM(target, offset, size, access); | |
| 405 } | |
| 406 | |
| 407 void WebGraphicsContext3DCommandBufferImpl::unmapBufferSubDataCHROMIUM( | |
| 408 const void* mem) { | |
| 409 return gl_->UnmapBufferSubDataCHROMIUM(mem); | |
| 410 } | |
| 411 | |
| 412 void* WebGraphicsContext3DCommandBufferImpl::mapTexSubImage2DCHROMIUM( | |
| 413 WGC3Denum target, | |
| 414 WGC3Dint level, | |
| 415 WGC3Dint xoffset, | |
| 416 WGC3Dint yoffset, | |
| 417 WGC3Dsizei width, | |
| 418 WGC3Dsizei height, | |
| 419 WGC3Denum format, | |
| 420 WGC3Denum type, | |
| 421 WGC3Denum access) { | |
| 422 return gl_->MapTexSubImage2DCHROMIUM( | |
| 423 target, level, xoffset, yoffset, width, height, format, type, access); | |
| 424 } | |
| 425 | |
| 426 void WebGraphicsContext3DCommandBufferImpl::unmapTexSubImage2DCHROMIUM( | |
| 427 const void* mem) { | |
| 428 gl_->UnmapTexSubImage2DCHROMIUM(mem); | |
| 429 } | |
| 430 | |
| 431 void WebGraphicsContext3DCommandBufferImpl::setVisibilityCHROMIUM( | |
| 432 bool visible) { | |
| 433 gl_->Flush(); | |
| 434 context_->SetSurfaceVisible(visible); | |
| 435 if (!visible) | |
| 436 gl_->FreeEverything(); | |
| 437 } | |
| 438 | |
| 439 void WebGraphicsContext3DCommandBufferImpl::copyTextureToParentTextureCHROMIUM( | |
| 440 WebGLId texture, WebGLId parentTexture) { | |
| 441 NOTIMPLEMENTED(); | |
| 442 } | |
| 443 | |
| 444 void WebGraphicsContext3DCommandBufferImpl:: | |
| 445 rateLimitOffscreenContextCHROMIUM() { | |
| 446 gl_->RateLimitOffscreenContextCHROMIUM(); | |
| 447 } | |
| 448 | |
| 449 WebKit::WebString WebGraphicsContext3DCommandBufferImpl:: | |
| 450 getRequestableExtensionsCHROMIUM() { | |
| 451 return WebKit::WebString::fromUTF8( | |
| 452 gl_->GetRequestableExtensionsCHROMIUM()); | |
| 453 } | |
| 454 | |
| 455 void WebGraphicsContext3DCommandBufferImpl::requestExtensionCHROMIUM( | |
| 456 const char* extension) { | |
| 457 gl_->RequestExtensionCHROMIUM(extension); | |
| 458 } | |
| 459 | |
| 460 void WebGraphicsContext3DCommandBufferImpl::blitFramebufferCHROMIUM( | |
| 461 WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, | |
| 462 WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, | |
| 463 WGC3Dbitfield mask, WGC3Denum filter) { | |
| 464 gl_->BlitFramebufferEXT( | |
| 465 srcX0, srcY0, srcX1, srcY1, | |
| 466 dstX0, dstY0, dstX1, dstY1, | |
| 467 mask, filter); | |
| 468 } | |
| 469 | |
| 470 void WebGraphicsContext3DCommandBufferImpl:: | |
| 471 renderbufferStorageMultisampleCHROMIUM( | |
| 472 WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, | |
| 473 WGC3Dsizei width, WGC3Dsizei height) { | |
| 474 gl_->RenderbufferStorageMultisampleEXT( | |
| 475 target, samples, internalformat, width, height); | |
| 476 } | |
| 477 | |
| 478 // Helper macros to reduce the amount of code. | |
| 479 | |
| 480 #define DELEGATE_TO_GL(name, glname) \ | |
| 481 void WebGraphicsContext3DCommandBufferImpl::name() { \ | |
| 482 gl_->glname(); \ | |
| 483 } | |
| 484 | |
| 485 #define DELEGATE_TO_GL_1(name, glname, t1) \ | |
| 486 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ | |
| 487 gl_->glname(a1); \ | |
| 488 } | |
| 489 | |
| 490 #define DELEGATE_TO_GL_1R(name, glname, t1, rt) \ | |
| 491 rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ | |
| 492 return gl_->glname(a1); \ | |
| 493 } | |
| 494 | |
| 495 #define DELEGATE_TO_GL_1RB(name, glname, t1, rt) \ | |
| 496 rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ | |
| 497 return gl_->glname(a1) ? true : false; \ | |
| 498 } | |
| 499 | |
| 500 #define DELEGATE_TO_GL_2(name, glname, t1, t2) \ | |
| 501 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) { \ | |
| 502 gl_->glname(a1, a2); \ | |
| 503 } | |
| 504 | |
| 505 #define DELEGATE_TO_GL_2R(name, glname, t1, t2, rt) \ | |
| 506 rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) { \ | |
| 507 return gl_->glname(a1, a2); \ | |
| 508 } | |
| 509 | |
| 510 #define DELEGATE_TO_GL_3(name, glname, t1, t2, t3) \ | |
| 511 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3) { \ | |
| 512 gl_->glname(a1, a2, a3); \ | |
| 513 } | |
| 514 | |
| 515 #define DELEGATE_TO_GL_4(name, glname, t1, t2, t3, t4) \ | |
| 516 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, t4 a4) { \ | |
| 517 gl_->glname(a1, a2, a3, a4); \ | |
| 518 } | |
| 519 | |
| 520 #define DELEGATE_TO_GL_5(name, glname, t1, t2, t3, t4, t5) \ | |
| 521 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ | |
| 522 t4 a4, t5 a5) { \ | |
| 523 gl_->glname(a1, a2, a3, a4, a5); \ | |
| 524 } | |
| 525 | |
| 526 #define DELEGATE_TO_GL_6(name, glname, t1, t2, t3, t4, t5, t6) \ | |
| 527 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ | |
| 528 t4 a4, t5 a5, t6 a6) { \ | |
| 529 gl_->glname(a1, a2, a3, a4, a5, a6); \ | |
| 530 } | |
| 531 | |
| 532 #define DELEGATE_TO_GL_7(name, glname, t1, t2, t3, t4, t5, t6, t7) \ | |
| 533 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ | |
| 534 t4 a4, t5 a5, t6 a6, t7 a7) { \ | |
| 535 gl_->glname(a1, a2, a3, a4, a5, a6, a7); \ | |
| 536 } | |
| 537 | |
| 538 #define DELEGATE_TO_GL_8(name, glname, t1, t2, t3, t4, t5, t6, t7, t8) \ | |
| 539 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ | |
| 540 t4 a4, t5 a5, t6 a6, \ | |
| 541 t7 a7, t8 a8) { \ | |
| 542 gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8); \ | |
| 543 } | |
| 544 | |
| 545 #define DELEGATE_TO_GL_9(name, glname, t1, t2, t3, t4, t5, t6, t7, t8, t9) \ | |
| 546 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ | |
| 547 t4 a4, t5 a5, t6 a6, \ | |
| 548 t7 a7, t8 a8, t9 a9) { \ | |
| 549 gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8, a9); \ | |
| 550 } | |
| 551 | |
| 552 DELEGATE_TO_GL_1(activeTexture, ActiveTexture, WGC3Denum) | |
| 553 | |
| 554 DELEGATE_TO_GL_2(attachShader, AttachShader, WebGLId, WebGLId) | |
| 555 | |
| 556 DELEGATE_TO_GL_3(bindAttribLocation, BindAttribLocation, WebGLId, | |
| 557 WGC3Duint, const WGC3Dchar*) | |
| 558 | |
| 559 DELEGATE_TO_GL_2(bindBuffer, BindBuffer, WGC3Denum, WebGLId) | |
| 560 | |
| 561 void WebGraphicsContext3DCommandBufferImpl::bindFramebuffer( | |
| 562 WGC3Denum target, | |
| 563 WebGLId framebuffer) { | |
| 564 gl_->BindFramebuffer(target, framebuffer); | |
| 565 bound_fbo_ = framebuffer; | |
| 566 } | |
| 567 | |
| 568 DELEGATE_TO_GL_2(bindRenderbuffer, BindRenderbuffer, WGC3Denum, WebGLId) | |
| 569 | |
| 570 DELEGATE_TO_GL_2(bindTexture, BindTexture, WGC3Denum, WebGLId) | |
| 571 | |
| 572 DELEGATE_TO_GL_4(blendColor, BlendColor, | |
| 573 WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf) | |
| 574 | |
| 575 DELEGATE_TO_GL_1(blendEquation, BlendEquation, WGC3Denum) | |
| 576 | |
| 577 DELEGATE_TO_GL_2(blendEquationSeparate, BlendEquationSeparate, | |
| 578 WGC3Denum, WGC3Denum) | |
| 579 | |
| 580 DELEGATE_TO_GL_2(blendFunc, BlendFunc, WGC3Denum, WGC3Denum) | |
| 581 | |
| 582 DELEGATE_TO_GL_4(blendFuncSeparate, BlendFuncSeparate, | |
| 583 WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum) | |
| 584 | |
| 585 DELEGATE_TO_GL_4(bufferData, BufferData, | |
| 586 WGC3Denum, WGC3Dsizeiptr, const void*, WGC3Denum) | |
| 587 | |
| 588 DELEGATE_TO_GL_4(bufferSubData, BufferSubData, | |
| 589 WGC3Denum, WGC3Dintptr, WGC3Dsizeiptr, const void*) | |
| 590 | |
| 591 DELEGATE_TO_GL_1R(checkFramebufferStatus, CheckFramebufferStatus, | |
| 592 WGC3Denum, WGC3Denum) | |
| 593 | |
| 594 DELEGATE_TO_GL_1(clear, Clear, WGC3Dbitfield) | |
| 595 | |
| 596 DELEGATE_TO_GL_4(clearColor, ClearColor, | |
| 597 WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf) | |
| 598 | |
| 599 DELEGATE_TO_GL_1(clearDepth, ClearDepthf, WGC3Dclampf) | |
| 600 | |
| 601 DELEGATE_TO_GL_1(clearStencil, ClearStencil, WGC3Dint) | |
| 602 | |
| 603 DELEGATE_TO_GL_4(colorMask, ColorMask, | |
| 604 WGC3Dboolean, WGC3Dboolean, WGC3Dboolean, WGC3Dboolean) | |
| 605 | |
| 606 DELEGATE_TO_GL_1(compileShader, CompileShader, WebGLId) | |
| 607 | |
| 608 DELEGATE_TO_GL_8(compressedTexImage2D, CompressedTexImage2D, | |
| 609 WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint, | |
| 610 WGC3Dsizei, WGC3Dsizei, const void*) | |
| 611 | |
| 612 DELEGATE_TO_GL_9(compressedTexSubImage2D, CompressedTexSubImage2D, | |
| 613 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, | |
| 614 WGC3Denum, WGC3Dsizei, const void*) | |
| 615 | |
| 616 DELEGATE_TO_GL_8(copyTexImage2D, CopyTexImage2D, | |
| 617 WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint, | |
| 618 WGC3Dsizei, WGC3Dsizei, WGC3Dint) | |
| 619 | |
| 620 DELEGATE_TO_GL_8(copyTexSubImage2D, CopyTexSubImage2D, | |
| 621 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, | |
| 622 WGC3Dsizei, WGC3Dsizei) | |
| 623 | |
| 624 DELEGATE_TO_GL_1(cullFace, CullFace, WGC3Denum) | |
| 625 | |
| 626 DELEGATE_TO_GL_1(depthFunc, DepthFunc, WGC3Denum) | |
| 627 | |
| 628 DELEGATE_TO_GL_1(depthMask, DepthMask, WGC3Dboolean) | |
| 629 | |
| 630 DELEGATE_TO_GL_2(depthRange, DepthRangef, WGC3Dclampf, WGC3Dclampf) | |
| 631 | |
| 632 DELEGATE_TO_GL_2(detachShader, DetachShader, WebGLId, WebGLId) | |
| 633 | |
| 634 DELEGATE_TO_GL_1(disable, Disable, WGC3Denum) | |
| 635 | |
| 636 DELEGATE_TO_GL_1(disableVertexAttribArray, DisableVertexAttribArray, | |
| 637 WGC3Duint) | |
| 638 | |
| 639 DELEGATE_TO_GL_3(drawArrays, DrawArrays, WGC3Denum, WGC3Dint, WGC3Dsizei) | |
| 640 | |
| 641 void WebGraphicsContext3DCommandBufferImpl::drawElements(WGC3Denum mode, | |
| 642 WGC3Dsizei count, | |
| 643 WGC3Denum type, | |
| 644 WGC3Dintptr offset) { | |
| 645 gl_->DrawElements( | |
| 646 mode, count, type, | |
| 647 reinterpret_cast<void*>(static_cast<intptr_t>(offset))); | |
| 648 } | |
| 649 | |
| 650 DELEGATE_TO_GL_1(enable, Enable, WGC3Denum) | |
| 651 | |
| 652 DELEGATE_TO_GL_1(enableVertexAttribArray, EnableVertexAttribArray, | |
| 653 WGC3Duint) | |
| 654 | |
| 655 DELEGATE_TO_GL(finish, Finish) | |
| 656 | |
| 657 DELEGATE_TO_GL(flush, Flush) | |
| 658 | |
| 659 DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer, | |
| 660 WGC3Denum, WGC3Denum, WGC3Denum, WebGLId) | |
| 661 | |
| 662 DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D, | |
| 663 WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint) | |
| 664 | |
| 665 DELEGATE_TO_GL_1(frontFace, FrontFace, WGC3Denum) | |
| 666 | |
| 667 DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, WGC3Denum) | |
| 668 | |
| 669 bool WebGraphicsContext3DCommandBufferImpl::getActiveAttrib( | |
| 670 WebGLId program, WGC3Duint index, ActiveInfo& info) { | |
| 671 if (!program) { | |
| 672 synthesizeGLError(GL_INVALID_VALUE); | |
| 673 return false; | |
| 674 } | |
| 675 GLint max_name_length = -1; | |
| 676 gl_->GetProgramiv( | |
| 677 program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_name_length); | |
| 678 if (max_name_length < 0) | |
| 679 return false; | |
| 680 scoped_array<GLchar> name(new GLchar[max_name_length]); | |
| 681 if (!name.get()) { | |
| 682 synthesizeGLError(GL_OUT_OF_MEMORY); | |
| 683 return false; | |
| 684 } | |
| 685 GLsizei length = 0; | |
| 686 GLint size = -1; | |
| 687 GLenum type = 0; | |
| 688 gl_->GetActiveAttrib( | |
| 689 program, index, max_name_length, &length, &size, &type, name.get()); | |
| 690 if (size < 0) { | |
| 691 return false; | |
| 692 } | |
| 693 info.name = WebKit::WebString::fromUTF8(name.get(), length); | |
| 694 info.type = type; | |
| 695 info.size = size; | |
| 696 return true; | |
| 697 } | |
| 698 | |
| 699 bool WebGraphicsContext3DCommandBufferImpl::getActiveUniform( | |
| 700 WebGLId program, WGC3Duint index, ActiveInfo& info) { | |
| 701 GLint max_name_length = -1; | |
| 702 gl_->GetProgramiv( | |
| 703 program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max_name_length); | |
| 704 if (max_name_length < 0) | |
| 705 return false; | |
| 706 scoped_array<GLchar> name(new GLchar[max_name_length]); | |
| 707 if (!name.get()) { | |
| 708 synthesizeGLError(GL_OUT_OF_MEMORY); | |
| 709 return false; | |
| 710 } | |
| 711 GLsizei length = 0; | |
| 712 GLint size = -1; | |
| 713 GLenum type = 0; | |
| 714 gl_->GetActiveUniform( | |
| 715 program, index, max_name_length, &length, &size, &type, name.get()); | |
| 716 if (size < 0) { | |
| 717 return false; | |
| 718 } | |
| 719 info.name = WebKit::WebString::fromUTF8(name.get(), length); | |
| 720 info.type = type; | |
| 721 info.size = size; | |
| 722 return true; | |
| 723 } | |
| 724 | |
| 725 DELEGATE_TO_GL_4(getAttachedShaders, GetAttachedShaders, | |
| 726 WebGLId, WGC3Dsizei, WGC3Dsizei*, WebGLId*) | |
| 727 | |
| 728 DELEGATE_TO_GL_2R(getAttribLocation, GetAttribLocation, | |
| 729 WebGLId, const WGC3Dchar*, WGC3Dint) | |
| 730 | |
| 731 DELEGATE_TO_GL_2(getBooleanv, GetBooleanv, WGC3Denum, WGC3Dboolean*) | |
| 732 | |
| 733 DELEGATE_TO_GL_3(getBufferParameteriv, GetBufferParameteriv, | |
| 734 WGC3Denum, WGC3Denum, WGC3Dint*) | |
| 735 | |
| 736 WebKit::WebGraphicsContext3D::Attributes | |
| 737 WebGraphicsContext3DCommandBufferImpl::getContextAttributes() { | |
| 738 return attributes_; | |
| 739 } | |
| 740 | |
| 741 WGC3Denum WebGraphicsContext3DCommandBufferImpl::getError() { | |
| 742 if (!synthetic_errors_.empty()) { | |
| 743 std::vector<WGC3Denum>::iterator iter = synthetic_errors_.begin(); | |
| 744 WGC3Denum err = *iter; | |
| 745 synthetic_errors_.erase(iter); | |
| 746 return err; | |
| 747 } | |
| 748 | |
| 749 return gl_->GetError(); | |
| 750 } | |
| 751 | |
| 752 bool WebGraphicsContext3DCommandBufferImpl::isContextLost() { | |
| 753 return initialize_failed_ || | |
| 754 (context_ && context_->IsCommandBufferContextLost()) || | |
| 755 context_lost_reason_ != GL_NO_ERROR; | |
| 756 } | |
| 757 | |
| 758 DELEGATE_TO_GL_2(getFloatv, GetFloatv, WGC3Denum, WGC3Dfloat*) | |
| 759 | |
| 760 DELEGATE_TO_GL_4(getFramebufferAttachmentParameteriv, | |
| 761 GetFramebufferAttachmentParameteriv, | |
| 762 WGC3Denum, WGC3Denum, WGC3Denum, WGC3Dint*) | |
| 763 | |
| 764 DELEGATE_TO_GL_2(getIntegerv, GetIntegerv, WGC3Denum, WGC3Dint*) | |
| 765 | |
| 766 DELEGATE_TO_GL_3(getProgramiv, GetProgramiv, WebGLId, WGC3Denum, WGC3Dint*) | |
| 767 | |
| 768 WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getProgramInfoLog( | |
| 769 WebGLId program) { | |
| 770 GLint logLength = 0; | |
| 771 gl_->GetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength); | |
| 772 if (!logLength) | |
| 773 return WebKit::WebString(); | |
| 774 scoped_array<GLchar> log(new GLchar[logLength]); | |
| 775 if (!log.get()) | |
| 776 return WebKit::WebString(); | |
| 777 GLsizei returnedLogLength = 0; | |
| 778 gl_->GetProgramInfoLog( | |
| 779 program, logLength, &returnedLogLength, log.get()); | |
| 780 DCHECK_EQ(logLength, returnedLogLength + 1); | |
| 781 WebKit::WebString res = | |
| 782 WebKit::WebString::fromUTF8(log.get(), returnedLogLength); | |
| 783 return res; | |
| 784 } | |
| 785 | |
| 786 DELEGATE_TO_GL_3(getRenderbufferParameteriv, GetRenderbufferParameteriv, | |
| 787 WGC3Denum, WGC3Denum, WGC3Dint*) | |
| 788 | |
| 789 DELEGATE_TO_GL_3(getShaderiv, GetShaderiv, WebGLId, WGC3Denum, WGC3Dint*) | |
| 790 | |
| 791 WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getShaderInfoLog( | |
| 792 WebGLId shader) { | |
| 793 GLint logLength = 0; | |
| 794 gl_->GetShaderiv(shader, GL_INFO_LOG_LENGTH, &logLength); | |
| 795 if (!logLength) | |
| 796 return WebKit::WebString(); | |
| 797 scoped_array<GLchar> log(new GLchar[logLength]); | |
| 798 if (!log.get()) | |
| 799 return WebKit::WebString(); | |
| 800 GLsizei returnedLogLength = 0; | |
| 801 gl_->GetShaderInfoLog( | |
| 802 shader, logLength, &returnedLogLength, log.get()); | |
| 803 DCHECK_EQ(logLength, returnedLogLength + 1); | |
| 804 WebKit::WebString res = | |
| 805 WebKit::WebString::fromUTF8(log.get(), returnedLogLength); | |
| 806 return res; | |
| 807 } | |
| 808 | |
| 809 WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getShaderSource( | |
| 810 WebGLId shader) { | |
| 811 GLint logLength = 0; | |
| 812 gl_->GetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &logLength); | |
| 813 if (!logLength) | |
| 814 return WebKit::WebString(); | |
| 815 scoped_array<GLchar> log(new GLchar[logLength]); | |
| 816 if (!log.get()) | |
| 817 return WebKit::WebString(); | |
| 818 GLsizei returnedLogLength = 0; | |
| 819 gl_->GetShaderSource( | |
| 820 shader, logLength, &returnedLogLength, log.get()); | |
| 821 if (!returnedLogLength) | |
| 822 return WebKit::WebString(); | |
| 823 DCHECK_EQ(logLength, returnedLogLength + 1); | |
| 824 WebKit::WebString res = | |
| 825 WebKit::WebString::fromUTF8(log.get(), returnedLogLength); | |
| 826 return res; | |
| 827 } | |
| 828 | |
| 829 WebKit::WebString WebGraphicsContext3DCommandBufferImpl:: | |
| 830 getTranslatedShaderSourceANGLE(WebGLId shader) { | |
| 831 GLint logLength = 0; | |
| 832 gl_->GetShaderiv( | |
| 833 shader, GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE, &logLength); | |
| 834 if (!logLength) | |
| 835 return WebKit::WebString(); | |
| 836 scoped_array<GLchar> log(new GLchar[logLength]); | |
| 837 if (!log.get()) | |
| 838 return WebKit::WebString(); | |
| 839 GLsizei returnedLogLength = 0; | |
| 840 gl_->GetTranslatedShaderSourceANGLE( | |
| 841 shader, logLength, &returnedLogLength, log.get()); | |
| 842 if (!returnedLogLength) | |
| 843 return WebKit::WebString(); | |
| 844 DCHECK_EQ(logLength, returnedLogLength + 1); | |
| 845 WebKit::WebString res = | |
| 846 WebKit::WebString::fromUTF8(log.get(), returnedLogLength); | |
| 847 return res; | |
| 848 } | |
| 849 | |
| 850 WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getString( | |
| 851 WGC3Denum name) { | |
| 852 return WebKit::WebString::fromUTF8( | |
| 853 reinterpret_cast<const char*>(gl_->GetString(name))); | |
| 854 } | |
| 855 | |
| 856 DELEGATE_TO_GL_3(getTexParameterfv, GetTexParameterfv, | |
| 857 WGC3Denum, WGC3Denum, WGC3Dfloat*) | |
| 858 | |
| 859 DELEGATE_TO_GL_3(getTexParameteriv, GetTexParameteriv, | |
| 860 WGC3Denum, WGC3Denum, WGC3Dint*) | |
| 861 | |
| 862 DELEGATE_TO_GL_3(getUniformfv, GetUniformfv, WebGLId, WGC3Dint, WGC3Dfloat*) | |
| 863 | |
| 864 DELEGATE_TO_GL_3(getUniformiv, GetUniformiv, WebGLId, WGC3Dint, WGC3Dint*) | |
| 865 | |
| 866 DELEGATE_TO_GL_2R(getUniformLocation, GetUniformLocation, | |
| 867 WebGLId, const WGC3Dchar*, WGC3Dint) | |
| 868 | |
| 869 DELEGATE_TO_GL_3(getVertexAttribfv, GetVertexAttribfv, | |
| 870 WGC3Duint, WGC3Denum, WGC3Dfloat*) | |
| 871 | |
| 872 DELEGATE_TO_GL_3(getVertexAttribiv, GetVertexAttribiv, | |
| 873 WGC3Duint, WGC3Denum, WGC3Dint*) | |
| 874 | |
| 875 WGC3Dsizeiptr WebGraphicsContext3DCommandBufferImpl::getVertexAttribOffset( | |
| 876 WGC3Duint index, WGC3Denum pname) { | |
| 877 GLvoid* value = NULL; | |
| 878 // NOTE: If pname is ever a value that returns more then 1 element | |
| 879 // this will corrupt memory. | |
| 880 gl_->GetVertexAttribPointerv(index, pname, &value); | |
| 881 return static_cast<WGC3Dsizeiptr>(reinterpret_cast<intptr_t>(value)); | |
| 882 } | |
| 883 | |
| 884 DELEGATE_TO_GL_2(hint, Hint, WGC3Denum, WGC3Denum) | |
| 885 | |
| 886 DELEGATE_TO_GL_1RB(isBuffer, IsBuffer, WebGLId, WGC3Dboolean) | |
| 887 | |
| 888 DELEGATE_TO_GL_1RB(isEnabled, IsEnabled, WGC3Denum, WGC3Dboolean) | |
| 889 | |
| 890 DELEGATE_TO_GL_1RB(isFramebuffer, IsFramebuffer, WebGLId, WGC3Dboolean) | |
| 891 | |
| 892 DELEGATE_TO_GL_1RB(isProgram, IsProgram, WebGLId, WGC3Dboolean) | |
| 893 | |
| 894 DELEGATE_TO_GL_1RB(isRenderbuffer, IsRenderbuffer, WebGLId, WGC3Dboolean) | |
| 895 | |
| 896 DELEGATE_TO_GL_1RB(isShader, IsShader, WebGLId, WGC3Dboolean) | |
| 897 | |
| 898 DELEGATE_TO_GL_1RB(isTexture, IsTexture, WebGLId, WGC3Dboolean) | |
| 899 | |
| 900 DELEGATE_TO_GL_1(lineWidth, LineWidth, WGC3Dfloat) | |
| 901 | |
| 902 DELEGATE_TO_GL_1(linkProgram, LinkProgram, WebGLId) | |
| 903 | |
| 904 DELEGATE_TO_GL_2(pixelStorei, PixelStorei, WGC3Denum, WGC3Dint) | |
| 905 | |
| 906 DELEGATE_TO_GL_2(polygonOffset, PolygonOffset, WGC3Dfloat, WGC3Dfloat) | |
| 907 | |
| 908 DELEGATE_TO_GL_7(readPixels, ReadPixels, | |
| 909 WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei, WGC3Denum, | |
| 910 WGC3Denum, void*) | |
| 911 | |
| 912 void WebGraphicsContext3DCommandBufferImpl::releaseShaderCompiler() { | |
| 913 } | |
| 914 | |
| 915 DELEGATE_TO_GL_4(renderbufferStorage, RenderbufferStorage, | |
| 916 WGC3Denum, WGC3Denum, WGC3Dsizei, WGC3Dsizei) | |
| 917 | |
| 918 DELEGATE_TO_GL_2(sampleCoverage, SampleCoverage, WGC3Dfloat, WGC3Dboolean) | |
| 919 | |
| 920 DELEGATE_TO_GL_4(scissor, Scissor, WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei) | |
| 921 | |
| 922 void WebGraphicsContext3DCommandBufferImpl::shaderSource( | |
| 923 WebGLId shader, const WGC3Dchar* string) { | |
| 924 GLint length = strlen(string); | |
| 925 gl_->ShaderSource(shader, 1, &string, &length); | |
| 926 } | |
| 927 | |
| 928 DELEGATE_TO_GL_3(stencilFunc, StencilFunc, WGC3Denum, WGC3Dint, WGC3Duint) | |
| 929 | |
| 930 DELEGATE_TO_GL_4(stencilFuncSeparate, StencilFuncSeparate, | |
| 931 WGC3Denum, WGC3Denum, WGC3Dint, WGC3Duint) | |
| 932 | |
| 933 DELEGATE_TO_GL_1(stencilMask, StencilMask, WGC3Duint) | |
| 934 | |
| 935 DELEGATE_TO_GL_2(stencilMaskSeparate, StencilMaskSeparate, | |
| 936 WGC3Denum, WGC3Duint) | |
| 937 | |
| 938 DELEGATE_TO_GL_3(stencilOp, StencilOp, | |
| 939 WGC3Denum, WGC3Denum, WGC3Denum) | |
| 940 | |
| 941 DELEGATE_TO_GL_4(stencilOpSeparate, StencilOpSeparate, | |
| 942 WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum) | |
| 943 | |
| 944 DELEGATE_TO_GL_9(texImage2D, TexImage2D, | |
| 945 WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei, | |
| 946 WGC3Dint, WGC3Denum, WGC3Denum, const void*) | |
| 947 | |
| 948 DELEGATE_TO_GL_3(texParameterf, TexParameterf, | |
| 949 WGC3Denum, WGC3Denum, WGC3Dfloat); | |
| 950 | |
| 951 static const unsigned int kTextureWrapR = 0x8072; | |
| 952 | |
| 953 void WebGraphicsContext3DCommandBufferImpl::texParameteri( | |
| 954 WGC3Denum target, WGC3Denum pname, WGC3Dint param) { | |
| 955 // TODO(kbr): figure out whether the setting of TEXTURE_WRAP_R in | |
| 956 // GraphicsContext3D.cpp is strictly necessary to avoid seams at the | |
| 957 // edge of cube maps, and, if it is, push it into the GLES2 service | |
| 958 // side code. | |
| 959 if (pname == kTextureWrapR) { | |
| 960 return; | |
| 961 } | |
| 962 gl_->TexParameteri(target, pname, param); | |
| 963 } | |
| 964 | |
| 965 DELEGATE_TO_GL_9(texSubImage2D, TexSubImage2D, | |
| 966 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei, | |
| 967 WGC3Dsizei, WGC3Denum, WGC3Denum, const void*) | |
| 968 | |
| 969 DELEGATE_TO_GL_2(uniform1f, Uniform1f, WGC3Dint, WGC3Dfloat) | |
| 970 | |
| 971 DELEGATE_TO_GL_3(uniform1fv, Uniform1fv, WGC3Dint, WGC3Dsizei, | |
| 972 const WGC3Dfloat*) | |
| 973 | |
| 974 DELEGATE_TO_GL_2(uniform1i, Uniform1i, WGC3Dint, WGC3Dint) | |
| 975 | |
| 976 DELEGATE_TO_GL_3(uniform1iv, Uniform1iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) | |
| 977 | |
| 978 DELEGATE_TO_GL_3(uniform2f, Uniform2f, WGC3Dint, WGC3Dfloat, WGC3Dfloat) | |
| 979 | |
| 980 DELEGATE_TO_GL_3(uniform2fv, Uniform2fv, WGC3Dint, WGC3Dsizei, | |
| 981 const WGC3Dfloat*) | |
| 982 | |
| 983 DELEGATE_TO_GL_3(uniform2i, Uniform2i, WGC3Dint, WGC3Dint, WGC3Dint) | |
| 984 | |
| 985 DELEGATE_TO_GL_3(uniform2iv, Uniform2iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) | |
| 986 | |
| 987 DELEGATE_TO_GL_4(uniform3f, Uniform3f, WGC3Dint, | |
| 988 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) | |
| 989 | |
| 990 DELEGATE_TO_GL_3(uniform3fv, Uniform3fv, WGC3Dint, WGC3Dsizei, | |
| 991 const WGC3Dfloat*) | |
| 992 | |
| 993 DELEGATE_TO_GL_4(uniform3i, Uniform3i, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint) | |
| 994 | |
| 995 DELEGATE_TO_GL_3(uniform3iv, Uniform3iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) | |
| 996 | |
| 997 DELEGATE_TO_GL_5(uniform4f, Uniform4f, WGC3Dint, | |
| 998 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) | |
| 999 | |
| 1000 DELEGATE_TO_GL_3(uniform4fv, Uniform4fv, WGC3Dint, WGC3Dsizei, | |
| 1001 const WGC3Dfloat*) | |
| 1002 | |
| 1003 DELEGATE_TO_GL_5(uniform4i, Uniform4i, WGC3Dint, | |
| 1004 WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint) | |
| 1005 | |
| 1006 DELEGATE_TO_GL_3(uniform4iv, Uniform4iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) | |
| 1007 | |
| 1008 DELEGATE_TO_GL_4(uniformMatrix2fv, UniformMatrix2fv, | |
| 1009 WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) | |
| 1010 | |
| 1011 DELEGATE_TO_GL_4(uniformMatrix3fv, UniformMatrix3fv, | |
| 1012 WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) | |
| 1013 | |
| 1014 DELEGATE_TO_GL_4(uniformMatrix4fv, UniformMatrix4fv, | |
| 1015 WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) | |
| 1016 | |
| 1017 DELEGATE_TO_GL_1(useProgram, UseProgram, WebGLId) | |
| 1018 | |
| 1019 DELEGATE_TO_GL_1(validateProgram, ValidateProgram, WebGLId) | |
| 1020 | |
| 1021 DELEGATE_TO_GL_2(vertexAttrib1f, VertexAttrib1f, WGC3Duint, WGC3Dfloat) | |
| 1022 | |
| 1023 DELEGATE_TO_GL_2(vertexAttrib1fv, VertexAttrib1fv, WGC3Duint, | |
| 1024 const WGC3Dfloat*) | |
| 1025 | |
| 1026 DELEGATE_TO_GL_3(vertexAttrib2f, VertexAttrib2f, WGC3Duint, | |
| 1027 WGC3Dfloat, WGC3Dfloat) | |
| 1028 | |
| 1029 DELEGATE_TO_GL_2(vertexAttrib2fv, VertexAttrib2fv, WGC3Duint, | |
| 1030 const WGC3Dfloat*) | |
| 1031 | |
| 1032 DELEGATE_TO_GL_4(vertexAttrib3f, VertexAttrib3f, WGC3Duint, | |
| 1033 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) | |
| 1034 | |
| 1035 DELEGATE_TO_GL_2(vertexAttrib3fv, VertexAttrib3fv, WGC3Duint, | |
| 1036 const WGC3Dfloat*) | |
| 1037 | |
| 1038 DELEGATE_TO_GL_5(vertexAttrib4f, VertexAttrib4f, WGC3Duint, | |
| 1039 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) | |
| 1040 | |
| 1041 DELEGATE_TO_GL_2(vertexAttrib4fv, VertexAttrib4fv, WGC3Duint, | |
| 1042 const WGC3Dfloat*) | |
| 1043 | |
| 1044 void WebGraphicsContext3DCommandBufferImpl::vertexAttribPointer( | |
| 1045 WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized, | |
| 1046 WGC3Dsizei stride, WGC3Dintptr offset) { | |
| 1047 gl_->VertexAttribPointer( | |
| 1048 index, size, type, normalized, stride, | |
| 1049 reinterpret_cast<void*>(static_cast<intptr_t>(offset))); | |
| 1050 } | |
| 1051 | |
| 1052 DELEGATE_TO_GL_4(viewport, Viewport, | |
| 1053 WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei) | |
| 1054 | |
| 1055 WebGLId WebGraphicsContext3DCommandBufferImpl::createBuffer() { | |
| 1056 GLuint o; | |
| 1057 gl_->GenBuffers(1, &o); | |
| 1058 return o; | |
| 1059 } | |
| 1060 | |
| 1061 WebGLId WebGraphicsContext3DCommandBufferImpl::createFramebuffer() { | |
| 1062 GLuint o = 0; | |
| 1063 gl_->GenFramebuffers(1, &o); | |
| 1064 return o; | |
| 1065 } | |
| 1066 | |
| 1067 WebGLId WebGraphicsContext3DCommandBufferImpl::createProgram() { | |
| 1068 return gl_->CreateProgram(); | |
| 1069 } | |
| 1070 | |
| 1071 WebGLId WebGraphicsContext3DCommandBufferImpl::createRenderbuffer() { | |
| 1072 GLuint o; | |
| 1073 gl_->GenRenderbuffers(1, &o); | |
| 1074 return o; | |
| 1075 } | |
| 1076 | |
| 1077 DELEGATE_TO_GL_1R(createShader, CreateShader, WGC3Denum, WebGLId); | |
| 1078 | |
| 1079 WebGLId WebGraphicsContext3DCommandBufferImpl::createTexture() { | |
| 1080 GLuint o; | |
| 1081 gl_->GenTextures(1, &o); | |
| 1082 return o; | |
| 1083 } | |
| 1084 | |
| 1085 void WebGraphicsContext3DCommandBufferImpl::deleteBuffer(WebGLId buffer) { | |
| 1086 gl_->DeleteBuffers(1, &buffer); | |
| 1087 } | |
| 1088 | |
| 1089 void WebGraphicsContext3DCommandBufferImpl::deleteFramebuffer( | |
| 1090 WebGLId framebuffer) { | |
| 1091 gl_->DeleteFramebuffers(1, &framebuffer); | |
| 1092 } | |
| 1093 | |
| 1094 void WebGraphicsContext3DCommandBufferImpl::deleteProgram(WebGLId program) { | |
| 1095 gl_->DeleteProgram(program); | |
| 1096 } | |
| 1097 | |
| 1098 void WebGraphicsContext3DCommandBufferImpl::deleteRenderbuffer( | |
| 1099 WebGLId renderbuffer) { | |
| 1100 gl_->DeleteRenderbuffers(1, &renderbuffer); | |
| 1101 } | |
| 1102 | |
| 1103 void WebGraphicsContext3DCommandBufferImpl::deleteShader(WebGLId shader) { | |
| 1104 gl_->DeleteShader(shader); | |
| 1105 } | |
| 1106 | |
| 1107 void WebGraphicsContext3DCommandBufferImpl::deleteTexture(WebGLId texture) { | |
| 1108 gl_->DeleteTextures(1, &texture); | |
| 1109 } | |
| 1110 | |
| 1111 void WebGraphicsContext3DCommandBufferImpl::OnSwapBuffersComplete() { | |
| 1112 typedef WebGraphicsContext3DSwapBuffersClient WGC3DSwapClient; | |
| 1113 // This may be called after tear-down of the RenderView. | |
| 1114 if (swap_client_.get()) { | |
| 1115 MessageLoop::current()->PostTask(FROM_HERE, base::Bind( | |
| 1116 &WGC3DSwapClient::OnViewContextSwapBuffersComplete, swap_client_)); | |
| 1117 } | |
| 1118 | |
| 1119 if (swapbuffers_complete_callback_) | |
| 1120 swapbuffers_complete_callback_->onSwapBuffersComplete(); | |
| 1121 } | |
| 1122 | |
| 1123 void WebGraphicsContext3DCommandBufferImpl::setContextLostCallback( | |
| 1124 WebGraphicsContext3D::WebGraphicsContextLostCallback* cb) { | |
| 1125 context_lost_callback_ = cb; | |
| 1126 } | |
| 1127 | |
| 1128 WGC3Denum WebGraphicsContext3DCommandBufferImpl::getGraphicsResetStatusARB() { | |
| 1129 if (context_->IsCommandBufferContextLost() && | |
| 1130 context_lost_reason_ == GL_NO_ERROR) { | |
| 1131 return GL_UNKNOWN_CONTEXT_RESET_ARB; | |
| 1132 } | |
| 1133 | |
| 1134 return context_lost_reason_; | |
| 1135 } | |
| 1136 | |
| 1137 void WebGraphicsContext3DCommandBufferImpl:: | |
| 1138 setSwapBuffersCompleteCallbackCHROMIUM( | |
| 1139 WebGraphicsContext3D::WebGraphicsSwapBuffersCompleteCallbackCHROMIUM* cb) { | |
| 1140 swapbuffers_complete_callback_ = cb; | |
| 1141 } | |
| 1142 | |
| 1143 DELEGATE_TO_GL_5(texImageIOSurface2DCHROMIUM, TexImageIOSurface2DCHROMIUM, | |
| 1144 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Duint, WGC3Duint) | |
| 1145 | |
| 1146 DELEGATE_TO_GL_5(texStorage2DEXT, TexStorage2DEXT, | |
| 1147 WGC3Denum, WGC3Dint, WGC3Duint, WGC3Dint, WGC3Dint) | |
| 1148 | |
| 1149 #if WEBKIT_USING_SKIA | |
| 1150 GrGLInterface* WebGraphicsContext3DCommandBufferImpl::onCreateGrGLInterface() { | |
| 1151 return webkit_glue::CreateCommandBufferSkiaGLBinding(); | |
| 1152 } | |
| 1153 #endif | |
| 1154 | |
| 1155 namespace { | |
| 1156 | |
| 1157 WGC3Denum convertReason(RendererGLContext::ContextLostReason reason) { | |
| 1158 switch (reason) { | |
| 1159 case RendererGLContext::kGuilty: | |
| 1160 return GL_GUILTY_CONTEXT_RESET_ARB; | |
| 1161 case RendererGLContext::kInnocent: | |
| 1162 return GL_INNOCENT_CONTEXT_RESET_ARB; | |
| 1163 case RendererGLContext::kUnknown: | |
| 1164 return GL_UNKNOWN_CONTEXT_RESET_ARB; | |
| 1165 } | |
| 1166 | |
| 1167 NOTREACHED(); | |
| 1168 return GL_UNKNOWN_CONTEXT_RESET_ARB; | |
| 1169 } | |
| 1170 | |
| 1171 } // anonymous namespace | |
| 1172 | |
| 1173 void WebGraphicsContext3DCommandBufferImpl::OnContextLost( | |
| 1174 RendererGLContext::ContextLostReason reason) { | |
| 1175 context_lost_reason_ = convertReason(reason); | |
| 1176 if (context_lost_callback_) { | |
| 1177 context_lost_callback_->onContextLost(); | |
| 1178 } | |
| 1179 if (attributes_.shareResources) | |
| 1180 ClearSharedContexts(); | |
| 1181 if (swap_client_.get()) | |
| 1182 swap_client_->OnViewContextSwapBuffersAborted(); | |
| 1183 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 9340012:
Move gpu client files to content_common, in content/common/gpu/client (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src