src/webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc

   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 "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
   6
   7 #include <GLES2/gl2.h>
   8 #ifndef GL_GLEXT_PROTOTYPES
   9 #define GL_GLEXT_PROTOTYPES 1
  10 #endif
  11 #include <GLES2/gl2ext.h>
  12 #include <GLES2/gl2extchromium.h>
  13
  14 #include <string>
  15
  16 #include "base/atomicops.h"
  17 #include "base/bind.h"
  18 #include "base/bind_helpers.h"
  19 #include "base/callback.h"
  20 #include "base/lazy_instance.h"
  21 #include "base/logging.h"
  22 #include "gpu/command_buffer/client/gl_in_process_context.h"
  23 #include "gpu/command_buffer/client/gles2_implementation.h"
  24 #include "gpu/command_buffer/client/gles2_lib.h"
  25 #include "ui/gfx/size.h"
  26 #include "ui/gl/gl_surface.h"
  27 #include "webkit/common/gpu/gl_bindings_skia_cmd_buffer.h"
  28
  29 using gpu::gles2::GLES2Implementation;
  30 using gpu::GLInProcessContext;
  31
  32 namespace webkit {
  33 namespace gpu {
  34
  35 namespace {
  36
  37 const int32 kCommandBufferSize = 1024 * 1024;
  38 // TODO(kbr): make the transfer buffer size configurable via context
  39 // creation attributes.
  40 const size_t kStartTransferBufferSize = 4 * 1024 * 1024;
  41 const size_t kMinTransferBufferSize = 1 * 256 * 1024;
  42 const size_t kMaxTransferBufferSize = 16 * 1024 * 1024;
  43
  44 uint32_t GenFlushID() {
  45   static base::subtle::Atomic32 flush_id = 0;
  46
  47   base::subtle::Atomic32 my_id = base::subtle::Barrier_AtomicIncrement(
  48       &flush_id, 1);
  49   return static_cast<uint32_t>(my_id);
  50 }
  51
  52 // Singleton used to initialize and terminate the gles2 library.
  53 class GLES2Initializer {
  54  public:
  55   GLES2Initializer() {
  56     ::gles2::Initialize();
  57   }
  58
  59   ~GLES2Initializer() {
  60     ::gles2::Terminate();
  61   }
  62
  63  private:
  64   DISALLOW_COPY_AND_ASSIGN(GLES2Initializer);
  65 };
  66
  67 static base::LazyInstance<GLES2Initializer> g_gles2_initializer =
  68     LAZY_INSTANCE_INITIALIZER;
  69
  70 }  // namespace anonymous
  71
  72 // static
  73 scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>
  74 WebGraphicsContext3DInProcessCommandBufferImpl::CreateViewContext(
  75     const WebKit::WebGraphicsContext3D::Attributes& attributes,
  76     gfx::AcceleratedWidget window) {
  77   scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context;
  78   if (gfx::GLSurface::InitializeOneOff()) {
  79     context.reset(new WebGraphicsContext3DInProcessCommandBufferImpl(
  80       scoped_ptr< ::gpu::GLInProcessContext>(), attributes, false, window));
  81   }
  82   return context.Pass();
  83 }
  84
  85 // static
  86 scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>
  87 WebGraphicsContext3DInProcessCommandBufferImpl::CreateOffscreenContext(
  88     const WebKit::WebGraphicsContext3D::Attributes& attributes) {
  89   return make_scoped_ptr(new WebGraphicsContext3DInProcessCommandBufferImpl(
  90                              scoped_ptr< ::gpu::GLInProcessContext>(),
  91                              attributes,
  92                              true,
  93                              gfx::kNullAcceleratedWidget))
  94       .Pass();
  95 }
  96
  97 scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>
  98 WebGraphicsContext3DInProcessCommandBufferImpl::WrapContext(
  99     scoped_ptr< ::gpu::GLInProcessContext> context,
 100     const WebKit::WebGraphicsContext3D::Attributes& attributes) {
 101   return make_scoped_ptr(
 102       new WebGraphicsContext3DInProcessCommandBufferImpl(
 103           context.Pass(),
 104           attributes,
 105           true /* is_offscreen. Not used. */,
 106           gfx::kNullAcceleratedWidget /* window. Not used. */))
 107       .Pass();
 108 }
 109
 110 WebGraphicsContext3DInProcessCommandBufferImpl::
 111     WebGraphicsContext3DInProcessCommandBufferImpl(
 112         scoped_ptr< ::gpu::GLInProcessContext> context,
 113         const WebKit::WebGraphicsContext3D::Attributes& attributes,
 114         bool is_offscreen,
 115         gfx::AcceleratedWidget window)
 116     : is_offscreen_(is_offscreen),
 117       window_(window),
 118       initialized_(false),
 119       initialize_failed_(false),
 120       context_(context.Pass()),
 121       gl_(NULL),
 122       context_lost_callback_(NULL),
 123       context_lost_reason_(GL_NO_ERROR),
 124       attributes_(attributes),
 125       flush_id_(0) {
 126 }
 127
 128 WebGraphicsContext3DInProcessCommandBufferImpl::
 129     ~WebGraphicsContext3DInProcessCommandBufferImpl() {
 130 }
 131
 132 // static
 133 void WebGraphicsContext3DInProcessCommandBufferImpl::ConvertAttributes(
 134     const WebKit::WebGraphicsContext3D::Attributes& attributes,
 135     ::gpu::GLInProcessContextAttribs* output_attribs) {
 136   output_attribs->alpha_size = attributes.alpha ? 8 : 0;
 137   output_attribs->depth_size = attributes.depth ? 24 : 0;
 138   output_attribs->stencil_size = attributes.stencil ? 8 : 0;
 139   output_attribs->samples = attributes.antialias ? 4 : 0;
 140   output_attribs->sample_buffers = attributes.antialias ? 1 : 0;
 141 }
 142
 143 bool WebGraphicsContext3DInProcessCommandBufferImpl::MaybeInitializeGL() {
 144   if (initialized_)
 145     return true;
 146
 147   if (initialize_failed_)
 148     return false;
 149
 150   // Ensure the gles2 library is initialized first in a thread safe way.
 151   g_gles2_initializer.Get();
 152
 153   if (!context_) {
 154     // TODO(kbr): More work will be needed in this implementation to
 155     // properly support GPU switching. Like in the out-of-process
 156     // command buffer implementation, all previously created contexts
 157     // will need to be lost either when the first context requesting the
 158     // discrete GPU is created, or the last one is destroyed.
 159     gfx::GpuPreference gpu_preference = gfx::PreferDiscreteGpu;
 160
 161     ::gpu::GLInProcessContextAttribs attrib_struct;
 162     ConvertAttributes(attributes_, &attrib_struct),
 163
 164     context_.reset(GLInProcessContext::CreateContext(
 165         is_offscreen_,
 166         window_,
 167         gfx::Size(1, 1),
 168         attributes_.shareResources,
 169         attrib_struct,
 170         gpu_preference));
 171   }
 172
 173   if (context_) {
 174     base::Closure context_lost_callback = base::Bind(
 175         &WebGraphicsContext3DInProcessCommandBufferImpl::OnContextLost,
 176         base::Unretained(this));
 177     context_->SetContextLostCallback(context_lost_callback);
 178   } else {
 179     initialize_failed_ = true;
 180     return false;
 181   }
 182
 183   gl_ = context_->GetImplementation();
 184
 185   if (gl_ && attributes_.noExtensions)
 186     gl_->EnableFeatureCHROMIUM("webgl_enable_glsl_webgl_validation");
 187
 188   // Set attributes_ from created offscreen context.
 189   {
 190     GLint alpha_bits = 0;
 191     getIntegerv(GL_ALPHA_BITS, &alpha_bits);
 192     attributes_.alpha = alpha_bits > 0;
 193     GLint depth_bits = 0;
 194     getIntegerv(GL_DEPTH_BITS, &depth_bits);
 195     attributes_.depth = depth_bits > 0;
 196     GLint stencil_bits = 0;
 197     getIntegerv(GL_STENCIL_BITS, &stencil_bits);
 198     attributes_.stencil = stencil_bits > 0;
 199     GLint sample_buffers = 0;
 200     getIntegerv(GL_SAMPLE_BUFFERS, &sample_buffers);
 201     attributes_.antialias = sample_buffers > 0;
 202   }
 203
 204   initialized_ = true;
 205   return true;
 206 }
 207
 208 bool WebGraphicsContext3DInProcessCommandBufferImpl::makeContextCurrent() {
 209   if (!MaybeInitializeGL())
 210     return false;
 211   ::gles2::SetGLContext(gl_);
 212   return context_ && !isContextLost();
 213 }
 214
 215 uint32_t WebGraphicsContext3DInProcessCommandBufferImpl::lastFlushID() {
 216   return flush_id_;
 217 }
 218
 219 void WebGraphicsContext3DInProcessCommandBufferImpl::ClearContext() {
 220   // NOTE: Comment in the line below to check for code that is not calling
 221   // eglMakeCurrent where appropriate. The issue is code using
 222   // WebGraphicsContext3D does not need to call makeContextCurrent. Code using
 223   // direct OpenGL bindings needs to call the appropriate form of
 224   // eglMakeCurrent. If it doesn't it will be issuing commands on the wrong
 225   // context. Uncommenting the line below clears the current context so that
 226   // any code not calling eglMakeCurrent in the appropriate place should crash.
 227   // This is not a perfect test but generally code that used the direct OpenGL
 228   // bindings should not be mixed with code that uses WebGraphicsContext3D.
 229   //
 230   // GLInProcessContext::MakeCurrent(NULL);
 231 }
 232
 233 // Helper macros to reduce the amount of code.
 234
 235 #define DELEGATE_TO_GL(name, glname)                                    \
 236 void WebGraphicsContext3DInProcessCommandBufferImpl::name() {           \
 237   ClearContext();                                                       \
 238   gl_->glname();                                                        \
 239 }
 240
 241 #define DELEGATE_TO_GL_R(name, glname, rt)                              \
 242 rt WebGraphicsContext3DInProcessCommandBufferImpl::name() {             \
 243   ClearContext();                                                       \
 244   return gl_->glname();                                                 \
 245 }
 246
 247 #define DELEGATE_TO_GL_1(name, glname, t1)                              \
 248 void WebGraphicsContext3DInProcessCommandBufferImpl::name(t1 a1) {      \
 249   ClearContext();                                                       \
 250   gl_->glname(a1);                                                      \
 251 }
 252
 253 #define DELEGATE_TO_GL_1R(name, glname, t1, rt)                         \
 254 rt WebGraphicsContext3DInProcessCommandBufferImpl::name(t1 a1) {        \
 255   ClearContext();                                                       \
 256   return gl_->glname(a1);                                               \
 257 }
 258
 259 #define DELEGATE_TO_GL_1RB(name, glname, t1, rt)                        \
 260 rt WebGraphicsContext3DInProcessCommandBufferImpl::name(t1 a1) {        \
 261   ClearContext();                                                       \
 262   return gl_->glname(a1) ? true : false;                                \
 263 }
 264
 265 #define DELEGATE_TO_GL_2(name, glname, t1, t2)                          \
 266 void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
 267     t1 a1, t2 a2) {                                                     \
 268   ClearContext();                                                       \
 269   gl_->glname(a1, a2);                                                  \
 270 }
 271
 272 #define DELEGATE_TO_GL_2R(name, glname, t1, t2, rt)                     \
 273 rt WebGraphicsContext3DInProcessCommandBufferImpl::name(t1 a1, t2 a2) { \
 274   ClearContext();                                                       \
 275   return gl_->glname(a1, a2);                                           \
 276 }
 277
 278 #define DELEGATE_TO_GL_3(name, glname, t1, t2, t3)                      \
 279 void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
 280     t1 a1, t2 a2, t3 a3) {                                              \
 281   ClearContext();                                                       \
 282   gl_->glname(a1, a2, a3);                                              \
 283 }
 284
 285 #define DELEGATE_TO_GL_3R(name, glname, t1, t2, t3, rt)                 \
 286 rt WebGraphicsContext3DInProcessCommandBufferImpl::name(                \
 287     t1 a1, t2 a2, t3 a3) {                                              \
 288   ClearContext();                                                       \
 289   return gl_->glname(a1, a2, a3);                                       \
 290 }
 291
 292 #define DELEGATE_TO_GL_4(name, glname, t1, t2, t3, t4)                  \
 293 void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
 294     t1 a1, t2 a2, t3 a3, t4 a4) {                                       \
 295   ClearContext();                                                       \
 296   gl_->glname(a1, a2, a3, a4);                                          \
 297 }
 298
 299 #define DELEGATE_TO_GL_5(name, glname, t1, t2, t3, t4, t5)              \
 300 void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
 301     t1 a1, t2 a2, t3 a3, t4 a4, t5 a5) {                                \
 302   ClearContext();                                                       \
 303   gl_->glname(a1, a2, a3, a4, a5);                                      \
 304 }
 305
 306 #define DELEGATE_TO_GL_6(name, glname, t1, t2, t3, t4, t5, t6)          \
 307 void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
 308     t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6) {                         \
 309   ClearContext();                                                       \
 310   gl_->glname(a1, a2, a3, a4, a5, a6);                                  \
 311 }
 312
 313 #define DELEGATE_TO_GL_7(name, glname, t1, t2, t3, t4, t5, t6, t7)      \
 314 void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
 315     t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7) {                  \
 316   ClearContext();                                                       \
 317   gl_->glname(a1, a2, a3, a4, a5, a6, a7);                              \
 318 }
 319
 320 #define DELEGATE_TO_GL_8(name, glname, t1, t2, t3, t4, t5, t6, t7, t8)  \
 321 void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
 322     t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8) {           \
 323   ClearContext();                                                       \
 324   gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8);                          \
 325 }
 326
 327 #define DELEGATE_TO_GL_9(name, glname, t1, t2, t3, t4, t5, t6, t7, t8, t9) \
 328 void WebGraphicsContext3DInProcessCommandBufferImpl::name(              \
 329     t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6, t7 a7, t8 a8, t9 a9) {    \
 330   ClearContext();                                                       \
 331   gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8, a9);                      \
 332 }
 333
 334 void WebGraphicsContext3DInProcessCommandBufferImpl::prepareTexture() {
 335   if (!isContextLost()) {
 336     gl_->SwapBuffers();
 337     gl_->ShallowFlushCHROMIUM();
 338   }
 339 }
 340
 341 void WebGraphicsContext3DInProcessCommandBufferImpl::postSubBufferCHROMIUM(
 342     int x, int y, int width, int height) {
 343   gl_->PostSubBufferCHROMIUM(x, y, width, height);
 344 }
 345
 346 DELEGATE_TO_GL_3(reshapeWithScaleFactor, ResizeCHROMIUM, int, int, float)
 347
 348 void WebGraphicsContext3DInProcessCommandBufferImpl::synthesizeGLError(
 349     WGC3Denum error) {
 350   if (std::find(synthetic_errors_.begin(), synthetic_errors_.end(), error) ==
 351       synthetic_errors_.end()) {
 352     synthetic_errors_.push_back(error);
 353   }
 354 }
 355
 356 void* WebGraphicsContext3DInProcessCommandBufferImpl::mapBufferSubDataCHROMIUM(
 357     WGC3Denum target,
 358     WGC3Dintptr offset,
 359     WGC3Dsizeiptr size,
 360     WGC3Denum access) {
 361   ClearContext();
 362   return gl_->MapBufferSubDataCHROMIUM(target, offset, size, access);
 363 }
 364
 365 void WebGraphicsContext3DInProcessCommandBufferImpl::unmapBufferSubDataCHROMIUM(
 366     const void* mem) {
 367   ClearContext();
 368   return gl_->UnmapBufferSubDataCHROMIUM(mem);
 369 }
 370
 371 void* WebGraphicsContext3DInProcessCommandBufferImpl::mapTexSubImage2DCHROMIUM(
 372     WGC3Denum target,
 373     WGC3Dint level,
 374     WGC3Dint xoffset,
 375     WGC3Dint yoffset,
 376     WGC3Dsizei width,
 377     WGC3Dsizei height,
 378     WGC3Denum format,
 379     WGC3Denum type,
 380     WGC3Denum access) {
 381   ClearContext();
 382   return gl_->MapTexSubImage2DCHROMIUM(
 383       target, level, xoffset, yoffset, width, height, format, type, access);
 384 }
 385
 386 void WebGraphicsContext3DInProcessCommandBufferImpl::unmapTexSubImage2DCHROMIUM(
 387     const void* mem) {
 388   ClearContext();
 389   gl_->UnmapTexSubImage2DCHROMIUM(mem);
 390 }
 391
 392 void WebGraphicsContext3DInProcessCommandBufferImpl::setVisibilityCHROMIUM(
 393     bool visible) {
 394 }
 395
 396 void WebGraphicsContext3DInProcessCommandBufferImpl::discardFramebufferEXT(
 397     WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) {
 398   gl_->DiscardFramebufferEXT(target, numAttachments, attachments);
 399 }
 400
 401 void WebGraphicsContext3DInProcessCommandBufferImpl::
 402     discardBackbufferCHROMIUM() {
 403 }
 404
 405 void WebGraphicsContext3DInProcessCommandBufferImpl::
 406     ensureBackbufferCHROMIUM() {
 407 }
 408
 409 void WebGraphicsContext3DInProcessCommandBufferImpl::
 410     copyTextureToParentTextureCHROMIUM(WebGLId texture, WebGLId parentTexture) {
 411   NOTIMPLEMENTED();
 412 }
 413
 414 void WebGraphicsContext3DInProcessCommandBufferImpl::
 415     rateLimitOffscreenContextCHROMIUM() {
 416   // TODO(gmam): See if we can comment this in.
 417   // ClearContext();
 418   gl_->RateLimitOffscreenContextCHROMIUM();
 419 }
 420
 421 WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::
 422     getRequestableExtensionsCHROMIUM() {
 423   // TODO(gmam): See if we can comment this in.
 424   // ClearContext();
 425   return WebKit::WebString::fromUTF8(
 426       gl_->GetRequestableExtensionsCHROMIUM());
 427 }
 428
 429 void WebGraphicsContext3DInProcessCommandBufferImpl::requestExtensionCHROMIUM(
 430     const char* extension) {
 431   // TODO(gmam): See if we can comment this in.
 432   // ClearContext();
 433   gl_->RequestExtensionCHROMIUM(extension);
 434 }
 435
 436 void WebGraphicsContext3DInProcessCommandBufferImpl::blitFramebufferCHROMIUM(
 437     WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1,
 438     WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1,
 439     WGC3Dbitfield mask, WGC3Denum filter) {
 440   ClearContext();
 441   gl_->BlitFramebufferEXT(
 442       srcX0, srcY0, srcX1, srcY1,
 443       dstX0, dstY0, dstX1, dstY1,
 444       mask, filter);
 445 }
 446
 447 void WebGraphicsContext3DInProcessCommandBufferImpl::
 448     renderbufferStorageMultisampleCHROMIUM(
 449         WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat,
 450         WGC3Dsizei width, WGC3Dsizei height) {
 451   ClearContext();
 452   gl_->RenderbufferStorageMultisampleEXT(
 453       target, samples, internalformat, width, height);
 454 }
 455
 456 DELEGATE_TO_GL_1(activeTexture, ActiveTexture, WGC3Denum)
 457
 458 DELEGATE_TO_GL_2(attachShader, AttachShader, WebGLId, WebGLId)
 459
 460 DELEGATE_TO_GL_3(bindAttribLocation, BindAttribLocation, WebGLId,
 461                  WGC3Duint, const WGC3Dchar*)
 462
 463 DELEGATE_TO_GL_2(bindBuffer, BindBuffer, WGC3Denum, WebGLId)
 464
 465 void WebGraphicsContext3DInProcessCommandBufferImpl::bindFramebuffer(
 466     WGC3Denum target,
 467     WebGLId framebuffer) {
 468   ClearContext();
 469   gl_->BindFramebuffer(target, framebuffer);
 470 }
 471
 472 DELEGATE_TO_GL_2(bindRenderbuffer, BindRenderbuffer, WGC3Denum, WebGLId)
 473
 474 DELEGATE_TO_GL_2(bindTexture, BindTexture, WGC3Denum, WebGLId)
 475
 476 DELEGATE_TO_GL_4(blendColor, BlendColor,
 477                  WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf)
 478
 479 DELEGATE_TO_GL_1(blendEquation, BlendEquation, WGC3Denum)
 480
 481 DELEGATE_TO_GL_2(blendEquationSeparate, BlendEquationSeparate,
 482                  WGC3Denum, WGC3Denum)
 483
 484 DELEGATE_TO_GL_2(blendFunc, BlendFunc, WGC3Denum, WGC3Denum)
 485
 486 DELEGATE_TO_GL_4(blendFuncSeparate, BlendFuncSeparate,
 487                  WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum)
 488
 489 DELEGATE_TO_GL_4(bufferData, BufferData,
 490                  WGC3Denum, WGC3Dsizeiptr, const void*, WGC3Denum)
 491
 492 DELEGATE_TO_GL_4(bufferSubData, BufferSubData,
 493                  WGC3Denum, WGC3Dintptr, WGC3Dsizeiptr, const void*)
 494
 495 DELEGATE_TO_GL_1R(checkFramebufferStatus, CheckFramebufferStatus,
 496                   WGC3Denum, WGC3Denum)
 497
 498 DELEGATE_TO_GL_1(clear, Clear, WGC3Dbitfield)
 499
 500 DELEGATE_TO_GL_4(clearColor, ClearColor,
 501                  WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf)
 502
 503 DELEGATE_TO_GL_1(clearDepth, ClearDepthf, WGC3Dclampf)
 504
 505 DELEGATE_TO_GL_1(clearStencil, ClearStencil, WGC3Dint)
 506
 507 DELEGATE_TO_GL_4(colorMask, ColorMask,
 508                  WGC3Dboolean, WGC3Dboolean, WGC3Dboolean, WGC3Dboolean)
 509
 510 DELEGATE_TO_GL_1(compileShader, CompileShader, WebGLId)
 511
 512 DELEGATE_TO_GL_8(compressedTexImage2D, CompressedTexImage2D,
 513                  WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint,
 514                  WGC3Dsizei, WGC3Dsizei, const void*)
 515
 516 DELEGATE_TO_GL_9(compressedTexSubImage2D, CompressedTexSubImage2D,
 517                  WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint,
 518                  WGC3Denum, WGC3Dsizei, const void*)
 519
 520 DELEGATE_TO_GL_8(copyTexImage2D, CopyTexImage2D,
 521                  WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint,
 522                  WGC3Dsizei, WGC3Dsizei, WGC3Dint)
 523
 524 DELEGATE_TO_GL_8(copyTexSubImage2D, CopyTexSubImage2D,
 525                  WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint,
 526                  WGC3Dsizei, WGC3Dsizei)
 527
 528 DELEGATE_TO_GL_1(cullFace, CullFace, WGC3Denum)
 529
 530 DELEGATE_TO_GL_1(depthFunc, DepthFunc, WGC3Denum)
 531
 532 DELEGATE_TO_GL_1(depthMask, DepthMask, WGC3Dboolean)
 533
 534 DELEGATE_TO_GL_2(depthRange, DepthRangef, WGC3Dclampf, WGC3Dclampf)
 535
 536 DELEGATE_TO_GL_2(detachShader, DetachShader, WebGLId, WebGLId)
 537
 538 DELEGATE_TO_GL_1(disable, Disable, WGC3Denum)
 539
 540 DELEGATE_TO_GL_1(disableVertexAttribArray, DisableVertexAttribArray,
 541                  WGC3Duint)
 542
 543 DELEGATE_TO_GL_3(drawArrays, DrawArrays, WGC3Denum, WGC3Dint, WGC3Dsizei)
 544
 545 void WebGraphicsContext3DInProcessCommandBufferImpl::drawElements(
 546     WGC3Denum mode,
 547     WGC3Dsizei count,
 548     WGC3Denum type,
 549     WGC3Dintptr offset) {
 550   ClearContext();
 551   gl_->DrawElements(
 552       mode, count, type,
 553       reinterpret_cast<void*>(static_cast<intptr_t>(offset)));
 554 }
 555
 556 DELEGATE_TO_GL_1(enable, Enable, WGC3Denum)
 557
 558 DELEGATE_TO_GL_1(enableVertexAttribArray, EnableVertexAttribArray,
 559                  WGC3Duint)
 560
 561 void WebGraphicsContext3DInProcessCommandBufferImpl::finish() {
 562   flush_id_ = GenFlushID();
 563   gl_->Finish();
 564 }
 565
 566 void WebGraphicsContext3DInProcessCommandBufferImpl::flush() {
 567   flush_id_ = GenFlushID();
 568   gl_->Flush();
 569 }
 570
 571 DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer,
 572                  WGC3Denum, WGC3Denum, WGC3Denum, WebGLId)
 573
 574 DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D,
 575                  WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint)
 576
 577 DELEGATE_TO_GL_1(frontFace, FrontFace, WGC3Denum)
 578
 579 DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, WGC3Denum)
 580
 581 bool WebGraphicsContext3DInProcessCommandBufferImpl::getActiveAttrib(
 582     WebGLId program, WGC3Duint index, ActiveInfo& info) {
 583   ClearContext();
 584   if (!program) {
 585     synthesizeGLError(GL_INVALID_VALUE);
 586     return false;
 587   }
 588   GLint max_name_length = -1;
 589   gl_->GetProgramiv(
 590       program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_name_length);
 591   if (max_name_length < 0)
 592     return false;
 593   scoped_ptr<GLchar[]> name(new GLchar[max_name_length]);
 594   if (!name) {
 595     synthesizeGLError(GL_OUT_OF_MEMORY);
 596     return false;
 597   }
 598   GLsizei length = 0;
 599   GLint size = -1;
 600   GLenum type = 0;
 601   gl_->GetActiveAttrib(
 602       program, index, max_name_length, &length, &size, &type, name.get());
 603   if (size < 0) {
 604     return false;
 605   }
 606   info.name = WebKit::WebString::fromUTF8(name.get(), length);
 607   info.type = type;
 608   info.size = size;
 609   return true;
 610 }
 611
 612 bool WebGraphicsContext3DInProcessCommandBufferImpl::getActiveUniform(
 613     WebGLId program, WGC3Duint index, ActiveInfo& info) {
 614   ClearContext();
 615   GLint max_name_length = -1;
 616   gl_->GetProgramiv(
 617       program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max_name_length);
 618   if (max_name_length < 0)
 619     return false;
 620   scoped_ptr<GLchar[]> name(new GLchar[max_name_length]);
 621   if (!name) {
 622     synthesizeGLError(GL_OUT_OF_MEMORY);
 623     return false;
 624   }
 625   GLsizei length = 0;
 626   GLint size = -1;
 627   GLenum type = 0;
 628   gl_->GetActiveUniform(
 629       program, index, max_name_length, &length, &size, &type, name.get());
 630   if (size < 0) {
 631     return false;
 632   }
 633   info.name = WebKit::WebString::fromUTF8(name.get(), length);
 634   info.type = type;
 635   info.size = size;
 636   return true;
 637 }
 638
 639 DELEGATE_TO_GL_4(getAttachedShaders, GetAttachedShaders,
 640                  WebGLId, WGC3Dsizei, WGC3Dsizei*, WebGLId*)
 641
 642 DELEGATE_TO_GL_2R(getAttribLocation, GetAttribLocation,
 643                   WebGLId, const WGC3Dchar*, WGC3Dint)
 644
 645 DELEGATE_TO_GL_2(getBooleanv, GetBooleanv, WGC3Denum, WGC3Dboolean*)
 646
 647 DELEGATE_TO_GL_3(getBufferParameteriv, GetBufferParameteriv,
 648                  WGC3Denum, WGC3Denum, WGC3Dint*)
 649
 650 WebKit::WebGraphicsContext3D::Attributes
 651 WebGraphicsContext3DInProcessCommandBufferImpl::getContextAttributes() {
 652   return attributes_;
 653 }
 654
 655 WGC3Denum WebGraphicsContext3DInProcessCommandBufferImpl::getError() {
 656   ClearContext();
 657   if (!synthetic_errors_.empty()) {
 658     std::vector<WGC3Denum>::iterator iter = synthetic_errors_.begin();
 659     WGC3Denum err = *iter;
 660     synthetic_errors_.erase(iter);
 661     return err;
 662   }
 663
 664   return gl_->GetError();
 665 }
 666
 667 bool WebGraphicsContext3DInProcessCommandBufferImpl::isContextLost() {
 668   return context_lost_reason_ != GL_NO_ERROR;
 669 }
 670
 671 DELEGATE_TO_GL_2(getFloatv, GetFloatv, WGC3Denum, WGC3Dfloat*)
 672
 673 DELEGATE_TO_GL_4(getFramebufferAttachmentParameteriv,
 674                  GetFramebufferAttachmentParameteriv,
 675                  WGC3Denum, WGC3Denum, WGC3Denum, WGC3Dint*)
 676
 677 DELEGATE_TO_GL_2(getIntegerv, GetIntegerv, WGC3Denum, WGC3Dint*)
 678
 679 DELEGATE_TO_GL_3(getProgramiv, GetProgramiv, WebGLId, WGC3Denum, WGC3Dint*)
 680
 681 WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::
 682     getProgramInfoLog(WebGLId program) {
 683   ClearContext();
 684   GLint logLength = 0;
 685   gl_->GetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength);
 686   if (!logLength)
 687     return WebKit::WebString();
 688   scoped_ptr<GLchar[]> log(new GLchar[logLength]);
 689   if (!log)
 690     return WebKit::WebString();
 691   GLsizei returnedLogLength = 0;
 692   gl_->GetProgramInfoLog(
 693       program, logLength, &returnedLogLength, log.get());
 694   DCHECK_EQ(logLength, returnedLogLength + 1);
 695   WebKit::WebString res =
 696       WebKit::WebString::fromUTF8(log.get(), returnedLogLength);
 697   return res;
 698 }
 699
 700 DELEGATE_TO_GL_3(getRenderbufferParameteriv, GetRenderbufferParameteriv,
 701                  WGC3Denum, WGC3Denum, WGC3Dint*)
 702
 703 DELEGATE_TO_GL_3(getShaderiv, GetShaderiv, WebGLId, WGC3Denum, WGC3Dint*)
 704
 705 WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::
 706     getShaderInfoLog(WebGLId shader) {
 707   ClearContext();
 708   GLint logLength = 0;
 709   gl_->GetShaderiv(shader, GL_INFO_LOG_LENGTH, &logLength);
 710   if (!logLength)
 711     return WebKit::WebString();
 712   scoped_ptr<GLchar[]> log(new GLchar[logLength]);
 713   if (!log)
 714     return WebKit::WebString();
 715   GLsizei returnedLogLength = 0;
 716   gl_->GetShaderInfoLog(
 717       shader, logLength, &returnedLogLength, log.get());
 718   DCHECK_EQ(logLength, returnedLogLength + 1);
 719   WebKit::WebString res =
 720       WebKit::WebString::fromUTF8(log.get(), returnedLogLength);
 721   return res;
 722 }
 723
 724 DELEGATE_TO_GL_4(getShaderPrecisionFormat, GetShaderPrecisionFormat,
 725                  WGC3Denum, WGC3Denum, WGC3Dint*, WGC3Dint*)
 726
 727 WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::
 728     getShaderSource(WebGLId shader) {
 729   ClearContext();
 730   GLint logLength = 0;
 731   gl_->GetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &logLength);
 732   if (!logLength)
 733     return WebKit::WebString();
 734   scoped_ptr<GLchar[]> log(new GLchar[logLength]);
 735   if (!log)
 736     return WebKit::WebString();
 737   GLsizei returnedLogLength = 0;
 738   gl_->GetShaderSource(
 739       shader, logLength, &returnedLogLength, log.get());
 740   if (!returnedLogLength)
 741     return WebKit::WebString();
 742   DCHECK_EQ(logLength, returnedLogLength + 1);
 743   WebKit::WebString res =
 744       WebKit::WebString::fromUTF8(log.get(), returnedLogLength);
 745   return res;
 746 }
 747
 748 WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::
 749     getTranslatedShaderSourceANGLE(WebGLId shader) {
 750   ClearContext();
 751   GLint logLength = 0;
 752   gl_->GetShaderiv(
 753       shader, GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE, &logLength);
 754   if (!logLength)
 755     return WebKit::WebString();
 756   scoped_ptr<GLchar[]> log(new GLchar[logLength]);
 757   if (!log)
 758     return WebKit::WebString();
 759   GLsizei returnedLogLength = 0;
 760   gl_->GetTranslatedShaderSourceANGLE(
 761       shader, logLength, &returnedLogLength, log.get());
 762   if (!returnedLogLength)
 763     return WebKit::WebString();
 764   DCHECK_EQ(logLength, returnedLogLength + 1);
 765   WebKit::WebString res =
 766       WebKit::WebString::fromUTF8(log.get(), returnedLogLength);
 767   return res;
 768 }
 769
 770 WebKit::WebString WebGraphicsContext3DInProcessCommandBufferImpl::getString(
 771     WGC3Denum name) {
 772   ClearContext();
 773   return WebKit::WebString::fromUTF8(
 774       reinterpret_cast<const char*>(gl_->GetString(name)));
 775 }
 776
 777 DELEGATE_TO_GL_3(getTexParameterfv, GetTexParameterfv,
 778                  WGC3Denum, WGC3Denum, WGC3Dfloat*)
 779
 780 DELEGATE_TO_GL_3(getTexParameteriv, GetTexParameteriv,
 781                  WGC3Denum, WGC3Denum, WGC3Dint*)
 782
 783 DELEGATE_TO_GL_3(getUniformfv, GetUniformfv, WebGLId, WGC3Dint, WGC3Dfloat*)
 784
 785 DELEGATE_TO_GL_3(getUniformiv, GetUniformiv, WebGLId, WGC3Dint, WGC3Dint*)
 786
 787 DELEGATE_TO_GL_2R(getUniformLocation, GetUniformLocation,
 788                   WebGLId, const WGC3Dchar*, WGC3Dint)
 789
 790 DELEGATE_TO_GL_3(getVertexAttribfv, GetVertexAttribfv,
 791                  WGC3Duint, WGC3Denum, WGC3Dfloat*)
 792
 793 DELEGATE_TO_GL_3(getVertexAttribiv, GetVertexAttribiv,
 794                  WGC3Duint, WGC3Denum, WGC3Dint*)
 795
 796 WGC3Dsizeiptr WebGraphicsContext3DInProcessCommandBufferImpl::
 797     getVertexAttribOffset(WGC3Duint index, WGC3Denum pname) {
 798   ClearContext();
 799   GLvoid* value = NULL;
 800   // NOTE: If pname is ever a value that returns more then 1 element
 801   // this will corrupt memory.
 802   gl_->GetVertexAttribPointerv(index, pname, &value);
 803   return static_cast<WGC3Dsizeiptr>(reinterpret_cast<intptr_t>(value));
 804 }
 805
 806 DELEGATE_TO_GL_2(hint, Hint, WGC3Denum, WGC3Denum)
 807
 808 DELEGATE_TO_GL_1RB(isBuffer, IsBuffer, WebGLId, WGC3Dboolean)
 809
 810 DELEGATE_TO_GL_1RB(isEnabled, IsEnabled, WGC3Denum, WGC3Dboolean)
 811
 812 DELEGATE_TO_GL_1RB(isFramebuffer, IsFramebuffer, WebGLId, WGC3Dboolean)
 813
 814 DELEGATE_TO_GL_1RB(isProgram, IsProgram, WebGLId, WGC3Dboolean)
 815
 816 DELEGATE_TO_GL_1RB(isRenderbuffer, IsRenderbuffer, WebGLId, WGC3Dboolean)
 817
 818 DELEGATE_TO_GL_1RB(isShader, IsShader, WebGLId, WGC3Dboolean)
 819
 820 DELEGATE_TO_GL_1RB(isTexture, IsTexture, WebGLId, WGC3Dboolean)
 821
 822 DELEGATE_TO_GL_1(lineWidth, LineWidth, WGC3Dfloat)
 823
 824 DELEGATE_TO_GL_1(linkProgram, LinkProgram, WebGLId)
 825
 826 DELEGATE_TO_GL_2(pixelStorei, PixelStorei, WGC3Denum, WGC3Dint)
 827
 828 DELEGATE_TO_GL_2(polygonOffset, PolygonOffset, WGC3Dfloat, WGC3Dfloat)
 829
 830 DELEGATE_TO_GL_7(readPixels, ReadPixels,
 831                  WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei, WGC3Denum,
 832                  WGC3Denum, void*)
 833
 834 void WebGraphicsContext3DInProcessCommandBufferImpl::releaseShaderCompiler() {
 835   ClearContext();
 836 }
 837
 838 DELEGATE_TO_GL_4(renderbufferStorage, RenderbufferStorage,
 839                  WGC3Denum, WGC3Denum, WGC3Dsizei, WGC3Dsizei)
 840
 841 DELEGATE_TO_GL_2(sampleCoverage, SampleCoverage, WGC3Dfloat, WGC3Dboolean)
 842
 843 DELEGATE_TO_GL_4(scissor, Scissor, WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei)
 844
 845 void WebGraphicsContext3DInProcessCommandBufferImpl::shaderSource(
 846     WebGLId shader, const WGC3Dchar* string) {
 847   ClearContext();
 848   GLint length = strlen(string);
 849   gl_->ShaderSource(shader, 1, &string, &length);
 850 }
 851
 852 DELEGATE_TO_GL_3(stencilFunc, StencilFunc, WGC3Denum, WGC3Dint, WGC3Duint)
 853
 854 DELEGATE_TO_GL_4(stencilFuncSeparate, StencilFuncSeparate,
 855                  WGC3Denum, WGC3Denum, WGC3Dint, WGC3Duint)
 856
 857 DELEGATE_TO_GL_1(stencilMask, StencilMask, WGC3Duint)
 858
 859 DELEGATE_TO_GL_2(stencilMaskSeparate, StencilMaskSeparate,
 860                  WGC3Denum, WGC3Duint)
 861
 862 DELEGATE_TO_GL_3(stencilOp, StencilOp,
 863                  WGC3Denum, WGC3Denum, WGC3Denum)
 864
 865 DELEGATE_TO_GL_4(stencilOpSeparate, StencilOpSeparate,
 866                  WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum)
 867
 868 DELEGATE_TO_GL_9(texImage2D, TexImage2D,
 869                  WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei,
 870                  WGC3Dint, WGC3Denum, WGC3Denum, const void*)
 871
 872 DELEGATE_TO_GL_3(texParameterf, TexParameterf,
 873                  WGC3Denum, WGC3Denum, WGC3Dfloat);
 874
 875 static const unsigned int kTextureWrapR = 0x8072;
 876
 877 void WebGraphicsContext3DInProcessCommandBufferImpl::texParameteri(
 878     WGC3Denum target, WGC3Denum pname, WGC3Dint param) {
 879   ClearContext();
 880   // TODO(kbr): figure out whether the setting of TEXTURE_WRAP_R in
 881   // GraphicsContext3D.cpp is strictly necessary to avoid seams at the
 882   // edge of cube maps, and, if it is, push it into the GLES2 service
 883   // side code.
 884   if (pname == kTextureWrapR) {
 885     return;
 886   }
 887   gl_->TexParameteri(target, pname, param);
 888 }
 889
 890 DELEGATE_TO_GL_9(texSubImage2D, TexSubImage2D,
 891                  WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei,
 892                  WGC3Dsizei, WGC3Denum, WGC3Denum, const void*)
 893
 894 DELEGATE_TO_GL_2(uniform1f, Uniform1f, WGC3Dint, WGC3Dfloat)
 895
 896 DELEGATE_TO_GL_3(uniform1fv, Uniform1fv, WGC3Dint, WGC3Dsizei,
 897                  const WGC3Dfloat*)
 898
 899 DELEGATE_TO_GL_2(uniform1i, Uniform1i, WGC3Dint, WGC3Dint)
 900
 901 DELEGATE_TO_GL_3(uniform1iv, Uniform1iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*)
 902
 903 DELEGATE_TO_GL_3(uniform2f, Uniform2f, WGC3Dint, WGC3Dfloat, WGC3Dfloat)
 904
 905 DELEGATE_TO_GL_3(uniform2fv, Uniform2fv, WGC3Dint, WGC3Dsizei,
 906                  const WGC3Dfloat*)
 907
 908 DELEGATE_TO_GL_3(uniform2i, Uniform2i, WGC3Dint, WGC3Dint, WGC3Dint)
 909
 910 DELEGATE_TO_GL_3(uniform2iv, Uniform2iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*)
 911
 912 DELEGATE_TO_GL_4(uniform3f, Uniform3f, WGC3Dint,
 913                  WGC3Dfloat, WGC3Dfloat, WGC3Dfloat)
 914
 915 DELEGATE_TO_GL_3(uniform3fv, Uniform3fv, WGC3Dint, WGC3Dsizei,
 916                  const WGC3Dfloat*)
 917
 918 DELEGATE_TO_GL_4(uniform3i, Uniform3i, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint)
 919
 920 DELEGATE_TO_GL_3(uniform3iv, Uniform3iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*)
 921
 922 DELEGATE_TO_GL_5(uniform4f, Uniform4f, WGC3Dint,
 923                  WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat)
 924
 925 DELEGATE_TO_GL_3(uniform4fv, Uniform4fv, WGC3Dint, WGC3Dsizei,
 926                  const WGC3Dfloat*)
 927
 928 DELEGATE_TO_GL_5(uniform4i, Uniform4i, WGC3Dint,
 929                  WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint)
 930
 931 DELEGATE_TO_GL_3(uniform4iv, Uniform4iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*)
 932
 933 DELEGATE_TO_GL_4(uniformMatrix2fv, UniformMatrix2fv,
 934                  WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*)
 935
 936 DELEGATE_TO_GL_4(uniformMatrix3fv, UniformMatrix3fv,
 937                  WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*)
 938
 939 DELEGATE_TO_GL_4(uniformMatrix4fv, UniformMatrix4fv,
 940                  WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*)
 941
 942 DELEGATE_TO_GL_1(useProgram, UseProgram, WebGLId)
 943
 944 DELEGATE_TO_GL_1(validateProgram, ValidateProgram, WebGLId)
 945
 946 DELEGATE_TO_GL_2(vertexAttrib1f, VertexAttrib1f, WGC3Duint, WGC3Dfloat)
 947
 948 DELEGATE_TO_GL_2(vertexAttrib1fv, VertexAttrib1fv, WGC3Duint,
 949                  const WGC3Dfloat*)
 950
 951 DELEGATE_TO_GL_3(vertexAttrib2f, VertexAttrib2f, WGC3Duint,
 952                  WGC3Dfloat, WGC3Dfloat)
 953
 954 DELEGATE_TO_GL_2(vertexAttrib2fv, VertexAttrib2fv, WGC3Duint,
 955                  const WGC3Dfloat*)
 956
 957 DELEGATE_TO_GL_4(vertexAttrib3f, VertexAttrib3f, WGC3Duint,
 958                  WGC3Dfloat, WGC3Dfloat, WGC3Dfloat)
 959
 960 DELEGATE_TO_GL_2(vertexAttrib3fv, VertexAttrib3fv, WGC3Duint,
 961                  const WGC3Dfloat*)
 962
 963 DELEGATE_TO_GL_5(vertexAttrib4f, VertexAttrib4f, WGC3Duint,
 964                  WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat)
 965
 966 DELEGATE_TO_GL_2(vertexAttrib4fv, VertexAttrib4fv, WGC3Duint,
 967                  const WGC3Dfloat*)
 968
 969 void WebGraphicsContext3DInProcessCommandBufferImpl::vertexAttribPointer(
 970     WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized,
 971     WGC3Dsizei stride, WGC3Dintptr offset) {
 972   ClearContext();
 973   gl_->VertexAttribPointer(
 974       index, size, type, normalized, stride,
 975       reinterpret_cast<void*>(static_cast<intptr_t>(offset)));
 976 }
 977
 978 DELEGATE_TO_GL_4(viewport, Viewport,
 979                  WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei)
 980
 981 DELEGATE_TO_GL_2(genBuffers, GenBuffers, WGC3Dsizei, WebGLId*);
 982
 983 DELEGATE_TO_GL_2(genFramebuffers, GenFramebuffers, WGC3Dsizei, WebGLId*);
 984
 985 DELEGATE_TO_GL_2(genRenderbuffers, GenRenderbuffers, WGC3Dsizei, WebGLId*);
 986
 987 DELEGATE_TO_GL_2(genTextures, GenTextures, WGC3Dsizei, WebGLId*);
 988
 989 DELEGATE_TO_GL_2(deleteBuffers, DeleteBuffers, WGC3Dsizei, WebGLId*);
 990
 991 DELEGATE_TO_GL_2(deleteFramebuffers, DeleteFramebuffers, WGC3Dsizei, WebGLId*);
 992
 993 DELEGATE_TO_GL_2(deleteRenderbuffers, DeleteRenderbuffers, WGC3Dsizei,
 994                  WebGLId*);
 995
 996 DELEGATE_TO_GL_2(deleteTextures, DeleteTextures, WGC3Dsizei, WebGLId*);
 997
 998 WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createBuffer() {
 999   ClearContext();
1000   GLuint o;
1001   gl_->GenBuffers(1, &o);
1002   return o;
1003 }
1004
1005 WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createFramebuffer() {
1006   ClearContext();
1007   GLuint o = 0;
1008   gl_->GenFramebuffers(1, &o);
1009   return o;
1010 }
1011
1012 WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createRenderbuffer() {
1013   ClearContext();
1014   GLuint o;
1015   gl_->GenRenderbuffers(1, &o);
1016   return o;
1017 }
1018
1019 WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createTexture() {
1020   ClearContext();
1021   GLuint o;
1022   gl_->GenTextures(1, &o);
1023   return o;
1024 }
1025
1026 void WebGraphicsContext3DInProcessCommandBufferImpl::deleteBuffer(
1027     WebGLId buffer) {
1028   ClearContext();
1029   gl_->DeleteBuffers(1, &buffer);
1030 }
1031
1032 void WebGraphicsContext3DInProcessCommandBufferImpl::deleteFramebuffer(
1033     WebGLId framebuffer) {
1034   ClearContext();
1035   gl_->DeleteFramebuffers(1, &framebuffer);
1036 }
1037
1038 void WebGraphicsContext3DInProcessCommandBufferImpl::deleteRenderbuffer(
1039     WebGLId renderbuffer) {
1040   ClearContext();
1041   gl_->DeleteRenderbuffers(1, &renderbuffer);
1042 }
1043
1044 void WebGraphicsContext3DInProcessCommandBufferImpl::deleteTexture(
1045     WebGLId texture) {
1046   ClearContext();
1047   gl_->DeleteTextures(1, &texture);
1048 }
1049
1050 DELEGATE_TO_GL_R(createProgram, CreateProgram, WebGLId);
1051
1052 DELEGATE_TO_GL_1R(createShader, CreateShader, WGC3Denum, WebGLId);
1053
1054 DELEGATE_TO_GL_1(deleteProgram, DeleteProgram, WebGLId);
1055
1056 DELEGATE_TO_GL_1(deleteShader, DeleteShader, WebGLId);
1057
1058 void WebGraphicsContext3DInProcessCommandBufferImpl::OnSwapBuffersComplete() {
1059 }
1060
1061 void WebGraphicsContext3DInProcessCommandBufferImpl::setContextLostCallback(
1062     WebGraphicsContext3D::WebGraphicsContextLostCallback* cb) {
1063   context_lost_callback_ = cb;
1064 }
1065
1066 WGC3Denum WebGraphicsContext3DInProcessCommandBufferImpl::
1067     getGraphicsResetStatusARB() {
1068   return context_lost_reason_;
1069 }
1070
1071 DELEGATE_TO_GL_5(texImageIOSurface2DCHROMIUM, TexImageIOSurface2DCHROMIUM,
1072                  WGC3Denum, WGC3Dint, WGC3Dint, WGC3Duint, WGC3Duint)
1073
1074 DELEGATE_TO_GL_5(texStorage2DEXT, TexStorage2DEXT,
1075                  WGC3Denum, WGC3Dint, WGC3Duint, WGC3Dint, WGC3Dint)
1076
1077 WebGLId WebGraphicsContext3DInProcessCommandBufferImpl::createQueryEXT() {
1078   GLuint o;
1079   gl_->GenQueriesEXT(1, &o);
1080   return o;
1081 }
1082
1083 void WebGraphicsContext3DInProcessCommandBufferImpl::
1084     deleteQueryEXT(WebGLId query) {
1085   gl_->DeleteQueriesEXT(1, &query);
1086 }
1087
1088 DELEGATE_TO_GL_1R(isQueryEXT, IsQueryEXT, WebGLId, WGC3Dboolean)
1089 DELEGATE_TO_GL_2(beginQueryEXT, BeginQueryEXT, WGC3Denum, WebGLId)
1090 DELEGATE_TO_GL_1(endQueryEXT, EndQueryEXT, WGC3Denum)
1091 DELEGATE_TO_GL_3(getQueryivEXT, GetQueryivEXT, WGC3Denum, WGC3Denum, WGC3Dint*)
1092 DELEGATE_TO_GL_3(getQueryObjectuivEXT, GetQueryObjectuivEXT,
1093                  WebGLId, WGC3Denum, WGC3Duint*)
1094
1095 DELEGATE_TO_GL_6(copyTextureCHROMIUM, CopyTextureCHROMIUM, WGC3Denum, WGC3Duint,
1096                  WGC3Duint, WGC3Dint, WGC3Denum, WGC3Denum)
1097
1098 void WebGraphicsContext3DInProcessCommandBufferImpl::insertEventMarkerEXT(
1099     const WGC3Dchar* marker) {
1100   gl_->InsertEventMarkerEXT(0, marker);
1101 }
1102
1103 void WebGraphicsContext3DInProcessCommandBufferImpl::pushGroupMarkerEXT(
1104     const WGC3Dchar* marker) {
1105   gl_->PushGroupMarkerEXT(0, marker);
1106 }
1107
1108 DELEGATE_TO_GL(popGroupMarkerEXT, PopGroupMarkerEXT);
1109
1110 DELEGATE_TO_GL_2(bindTexImage2DCHROMIUM, BindTexImage2DCHROMIUM,
1111                  WGC3Denum, WGC3Dint)
1112 DELEGATE_TO_GL_2(releaseTexImage2DCHROMIUM, ReleaseTexImage2DCHROMIUM,
1113                  WGC3Denum, WGC3Dint)
1114
1115 DELEGATE_TO_GL_1R(createStreamTextureCHROMIUM, CreateStreamTextureCHROMIUM,
1116                   WebGLId, WebGLId)
1117 DELEGATE_TO_GL_1(destroyStreamTextureCHROMIUM, DestroyStreamTextureCHROMIUM,
1118                  WebGLId)
1119
1120 void* WebGraphicsContext3DInProcessCommandBufferImpl::mapBufferCHROMIUM(
1121     WGC3Denum target, WGC3Denum access) {
1122   ClearContext();
1123   return gl_->MapBufferCHROMIUM(target, access);
1124 }
1125
1126 WGC3Dboolean WebGraphicsContext3DInProcessCommandBufferImpl::
1127     unmapBufferCHROMIUM(WGC3Denum target) {
1128   ClearContext();
1129   return gl_->UnmapBufferCHROMIUM(target);
1130 }
1131
1132 GrGLInterface* WebGraphicsContext3DInProcessCommandBufferImpl::
1133     createGrGLInterface() {
1134   return CreateCommandBufferSkiaGLBinding();
1135 }
1136
1137 ::gpu::ContextSupport*
1138 WebGraphicsContext3DInProcessCommandBufferImpl::GetContextSupport() {
1139   return gl_;
1140 }
1141
1142 void WebGraphicsContext3DInProcessCommandBufferImpl::OnContextLost() {
1143   // TODO(kbr): improve the precision here.
1144   context_lost_reason_ = GL_UNKNOWN_CONTEXT_RESET_ARB;
1145   if (context_lost_callback_) {
1146     context_lost_callback_->onContextLost();
1147   }
1148 }
1149
1150 DELEGATE_TO_GL_3R(createImageCHROMIUM, CreateImageCHROMIUM,
1151                   WGC3Dsizei, WGC3Dsizei, WGC3Denum, WGC3Duint);
1152
1153 DELEGATE_TO_GL_1(destroyImageCHROMIUM, DestroyImageCHROMIUM, WGC3Duint);
1154
1155 DELEGATE_TO_GL_3(getImageParameterivCHROMIUM, GetImageParameterivCHROMIUM,
1156                  WGC3Duint, WGC3Denum, GLint*);
1157
1158 DELEGATE_TO_GL_2R(mapImageCHROMIUM, MapImageCHROMIUM,
1159                   WGC3Duint, WGC3Denum, void*);
1160
1161 DELEGATE_TO_GL_1(unmapImageCHROMIUM, UnmapImageCHROMIUM, WGC3Duint);
1162
1163 DELEGATE_TO_GL_3(bindUniformLocationCHROMIUM, BindUniformLocationCHROMIUM,
1164                  WebGLId, WGC3Dint, const WGC3Dchar*)
1165
1166 void WebGraphicsContext3DInProcessCommandBufferImpl::shallowFlushCHROMIUM() {
1167   flush_id_ = GenFlushID();
1168   gl_->ShallowFlushCHROMIUM();
1169 }
1170
1171 void WebGraphicsContext3DInProcessCommandBufferImpl::shallowFinishCHROMIUM() {
1172   flush_id_ = GenFlushID();
1173   gl_->ShallowFinishCHROMIUM();
1174 }
1175
1176 DELEGATE_TO_GL_1(genMailboxCHROMIUM, GenMailboxCHROMIUM, WGC3Dbyte*)
1177 DELEGATE_TO_GL_2(produceTextureCHROMIUM, ProduceTextureCHROMIUM,
1178                  WGC3Denum, const WGC3Dbyte*)
1179 DELEGATE_TO_GL_2(consumeTextureCHROMIUM, ConsumeTextureCHROMIUM,
1180                  WGC3Denum, const WGC3Dbyte*)
1181
1182 DELEGATE_TO_GL_2(drawBuffersEXT, DrawBuffersEXT,
1183                  WGC3Dsizei, const WGC3Denum*)
1184
1185 unsigned WebGraphicsContext3DInProcessCommandBufferImpl::insertSyncPoint() {
1186   shallowFlushCHROMIUM();
1187   return 0;
1188 }
1189
1190 void WebGraphicsContext3DInProcessCommandBufferImpl::loseContextCHROMIUM(
1191     WGC3Denum current, WGC3Denum other) {
1192   gl_->LoseContextCHROMIUM(current, other);
1193   gl_->ShallowFlushCHROMIUM();
1194 }
1195
1196 DELEGATE_TO_GL_9(asyncTexImage2DCHROMIUM, AsyncTexImage2DCHROMIUM,
1197     WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei, WGC3Dint,
1198     WGC3Denum, WGC3Denum, const void*)
1199
1200 DELEGATE_TO_GL_9(asyncTexSubImage2DCHROMIUM, AsyncTexSubImage2DCHROMIUM,
1201     WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei,
1202     WGC3Denum, WGC3Denum, const void*)
1203
1204 DELEGATE_TO_GL_1(waitAsyncTexImage2DCHROMIUM, WaitAsyncTexImage2DCHROMIUM,
1205     WGC3Denum)
1206
1207 }  // namespace gpu
1208 }  // namespace webkit