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/common/cc_messages.h" 6 7 #include "base/command_line.h" 8 #include "cc/output/compositor_frame.h" 9 #include "cc/output/filter_operations.h" 10 #include "content/public/common/common_param_traits.h" 11 #include "content/public/common/content_switches.h" 12 #include "third_party/skia/include/core/SkData.h" 13 #include "third_party/skia/include/core/SkFlattenableSerialization.h" 14 #include "ui/gfx/transform.h" 15 16 namespace IPC { 17 18 void ParamTraits<cc::FilterOperation>::Write( 19 Message* m, const param_type& p) { 20 WriteParam(m, p.type()); 21 switch (p.type()) { 22 case cc::FilterOperation::GRAYSCALE: 23 case cc::FilterOperation::SEPIA: 24 case cc::FilterOperation::SATURATE: 25 case cc::FilterOperation::HUE_ROTATE: 26 case cc::FilterOperation::INVERT: 27 case cc::FilterOperation::BRIGHTNESS: 28 case cc::FilterOperation::SATURATING_BRIGHTNESS: 29 case cc::FilterOperation::CONTRAST: 30 case cc::FilterOperation::OPACITY: 31 case cc::FilterOperation::BLUR: 32 WriteParam(m, p.amount()); 33 break; 34 case cc::FilterOperation::DROP_SHADOW: 35 WriteParam(m, p.drop_shadow_offset()); 36 WriteParam(m, p.amount()); 37 WriteParam(m, p.drop_shadow_color()); 38 break; 39 case cc::FilterOperation::COLOR_MATRIX: 40 for (int i = 0; i < 20; ++i) 41 WriteParam(m, p.matrix()[i]); 42 break; 43 case cc::FilterOperation::ZOOM: 44 WriteParam(m, p.amount()); 45 WriteParam(m, p.zoom_inset()); 46 break; 47 case cc::FilterOperation::REFERENCE: 48 WriteParam(m, p.image_filter()); 49 break; 50 } 51 } 52 53 bool ParamTraits<cc::FilterOperation>::Read( 54 const Message* m, PickleIterator* iter, param_type* r) { 55 cc::FilterOperation::FilterType type; 56 float amount; 57 gfx::Point drop_shadow_offset; 58 SkColor drop_shadow_color; 59 SkScalar matrix[20]; 60 int zoom_inset; 61 62 if (!ReadParam(m, iter, &type)) 63 return false; 64 r->set_type(type); 65 66 bool success = false; 67 switch (type) { 68 case cc::FilterOperation::GRAYSCALE: 69 case cc::FilterOperation::SEPIA: 70 case cc::FilterOperation::SATURATE: 71 case cc::FilterOperation::HUE_ROTATE: 72 case cc::FilterOperation::INVERT: 73 case cc::FilterOperation::BRIGHTNESS: 74 case cc::FilterOperation::SATURATING_BRIGHTNESS: 75 case cc::FilterOperation::CONTRAST: 76 case cc::FilterOperation::OPACITY: 77 case cc::FilterOperation::BLUR: 78 if (ReadParam(m, iter, &amount)) { 79 r->set_amount(amount); 80 success = true; 81 } 82 break; 83 case cc::FilterOperation::DROP_SHADOW: 84 if (ReadParam(m, iter, &drop_shadow_offset) && 85 ReadParam(m, iter, &amount) && 86 ReadParam(m, iter, &drop_shadow_color)) { 87 r->set_drop_shadow_offset(drop_shadow_offset); 88 r->set_amount(amount); 89 r->set_drop_shadow_color(drop_shadow_color); 90 success = true; 91 } 92 break; 93 case cc::FilterOperation::COLOR_MATRIX: { 94 int i; 95 for (i = 0; i < 20; ++i) { 96 if (!ReadParam(m, iter, &matrix[i])) 97 break; 98 } 99 if (i == 20) { 100 r->set_matrix(matrix); 101 success = true; 102 } 103 break; 104 } 105 case cc::FilterOperation::ZOOM: 106 if (ReadParam(m, iter, &amount) && 107 ReadParam(m, iter, &zoom_inset) && 108 amount >= 0.f && 109 zoom_inset >= 0) { 110 r->set_amount(amount); 111 r->set_zoom_inset(zoom_inset); 112 success = true; 113 } 114 break; 115 case cc::FilterOperation::REFERENCE: { 116 skia::RefPtr<SkImageFilter> filter; 117 if (!ReadParam(m, iter, &filter)) { 118 success = false; 119 break; 120 } 121 r->set_image_filter(filter); 122 success = true; 123 break; 124 } 125 } 126 return success; 127 } 128 129 void ParamTraits<cc::FilterOperation>::Log( 130 const param_type& p, std::string* l) { 131 l->append("("); 132 LogParam(static_cast<unsigned>(p.type()), l); 133 l->append(", "); 134 135 switch (p.type()) { 136 case cc::FilterOperation::GRAYSCALE: 137 case cc::FilterOperation::SEPIA: 138 case cc::FilterOperation::SATURATE: 139 case cc::FilterOperation::HUE_ROTATE: 140 case cc::FilterOperation::INVERT: 141 case cc::FilterOperation::BRIGHTNESS: 142 case cc::FilterOperation::SATURATING_BRIGHTNESS: 143 case cc::FilterOperation::CONTRAST: 144 case cc::FilterOperation::OPACITY: 145 case cc::FilterOperation::BLUR: 146 LogParam(p.amount(), l); 147 break; 148 case cc::FilterOperation::DROP_SHADOW: 149 LogParam(p.drop_shadow_offset(), l); 150 l->append(", "); 151 LogParam(p.amount(), l); 152 l->append(", "); 153 LogParam(p.drop_shadow_color(), l); 154 break; 155 case cc::FilterOperation::COLOR_MATRIX: 156 for (int i = 0; i < 20; ++i) { 157 if (i) 158 l->append(", "); 159 LogParam(p.matrix()[i], l); 160 } 161 break; 162 case cc::FilterOperation::ZOOM: 163 LogParam(p.amount(), l); 164 l->append(", "); 165 LogParam(p.zoom_inset(), l); 166 break; 167 case cc::FilterOperation::REFERENCE: 168 LogParam(p.image_filter(), l); 169 break; 170 } 171 l->append(")"); 172 } 173 174 void ParamTraits<cc::FilterOperations>::Write( 175 Message* m, const param_type& p) { 176 WriteParam(m, p.size()); 177 for (std::size_t i = 0; i < p.size(); ++i) { 178 WriteParam(m, p.at(i)); 179 } 180 } 181 182 bool ParamTraits<cc::FilterOperations>::Read( 183 const Message* m, PickleIterator* iter, param_type* r) { 184 size_t count; 185 if (!ReadParam(m, iter, &count)) 186 return false; 187 188 for (std::size_t i = 0; i < count; ++i) { 189 cc::FilterOperation op = cc::FilterOperation::CreateEmptyFilter(); 190 if (!ReadParam(m, iter, &op)) 191 return false; 192 r->Append(op); 193 } 194 return true; 195 } 196 197 void ParamTraits<cc::FilterOperations>::Log( 198 const param_type& p, std::string* l) { 199 l->append("("); 200 for (std::size_t i = 0; i < p.size(); ++i) { 201 if (i) 202 l->append(", "); 203 LogParam(p.at(i), l); 204 } 205 l->append(")"); 206 } 207 208 void ParamTraits<skia::RefPtr<SkImageFilter> >::Write( 209 Message* m, const param_type& p) { 210 SkImageFilter* filter = p.get(); 211 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 212 if (filter && !command_line.HasSwitch(switches::kDisableFiltersOverIPC)) { 213 skia::RefPtr<SkData> data = 214 skia::AdoptRef(SkValidatingSerializeFlattenable(filter)); 215 m->WriteData(static_cast<const char*>(data->data()), data->size()); 216 } else { 217 m->WriteData(0, 0); 218 } 219 } 220 221 bool ParamTraits<skia::RefPtr<SkImageFilter> >::Read( 222 const Message* m, PickleIterator* iter, param_type* r) { 223 const char* data = 0; 224 int length = 0; 225 if (!m->ReadData(iter, &data, &length)) 226 return false; 227 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 228 if ((length > 0) && 229 !command_line.HasSwitch(switches::kDisableFiltersOverIPC)) { 230 SkFlattenable* flattenable = SkValidatingDeserializeFlattenable( 231 data, length, SkImageFilter::GetFlattenableType()); 232 *r = skia::AdoptRef(static_cast<SkImageFilter*>(flattenable)); 233 } else { 234 r->clear(); 235 } 236 return true; 237 } 238 239 void ParamTraits<skia::RefPtr<SkImageFilter> >::Log( 240 const param_type& p, std::string* l) { 241 l->append("("); 242 LogParam(p.get() ? p->countInputs() : 0, l); 243 l->append(")"); 244 } 245 246 void ParamTraits<gfx::Transform>::Write( 247 Message* m, const param_type& p) { 248 #ifdef SK_MSCALAR_IS_FLOAT 249 float column_major_data[16]; 250 p.matrix().asColMajorf(column_major_data); 251 #else 252 double column_major_data[16]; 253 p.matrix().asColMajord(column_major_data); 254 #endif 255 m->WriteBytes(&column_major_data, sizeof(SkMScalar) * 16); 256 } 257 258 bool ParamTraits<gfx::Transform>::Read( 259 const Message* m, PickleIterator* iter, param_type* r) { 260 const char* column_major_data; 261 if (!m->ReadBytes(iter, &column_major_data, sizeof(SkMScalar) * 16)) 262 return false; 263 r->matrix().setColMajor( 264 reinterpret_cast<const SkMScalar*>(column_major_data)); 265 return true; 266 } 267 268 void ParamTraits<gfx::Transform>::Log( 269 const param_type& p, std::string* l) { 270 #ifdef SK_MSCALAR_IS_FLOAT 271 float row_major_data[16]; 272 p.matrix().asRowMajorf(row_major_data); 273 #else 274 double row_major_data[16]; 275 p.matrix().asRowMajord(row_major_data); 276 #endif 277 l->append("("); 278 for (int i = 0; i < 16; ++i) { 279 if (i > 0) 280 l->append(", "); 281 LogParam(row_major_data[i], l); 282 } 283 l->append(") "); 284 } 285 286 void ParamTraits<cc::RenderPass>::Write( 287 Message* m, const param_type& p) { 288 WriteParam(m, p.id); 289 WriteParam(m, p.output_rect); 290 WriteParam(m, p.damage_rect); 291 WriteParam(m, p.transform_to_root_target); 292 WriteParam(m, p.has_transparent_background); 293 WriteParam(m, p.shared_quad_state_list.size()); 294 WriteParam(m, p.quad_list.size()); 295 296 size_t shared_quad_state_index = 0; 297 size_t last_shared_quad_state_index = kuint32max; 298 for (size_t i = 0; i < p.quad_list.size(); ++i) { 299 const cc::DrawQuad* quad = p.quad_list[i]; 300 DCHECK(quad->rect.Contains(quad->visible_rect)) 301 << quad->material << " rect: " << quad->rect.ToString() 302 << " visible_rect: " << quad->visible_rect.ToString(); 303 DCHECK(quad->opaque_rect.IsEmpty() || 304 quad->rect.Contains(quad->opaque_rect)) 305 << quad->material << " rect: " << quad->rect.ToString() 306 << " opaque_rect: " << quad->opaque_rect.ToString(); 307 308 switch (quad->material) { 309 case cc::DrawQuad::CHECKERBOARD: 310 WriteParam(m, *cc::CheckerboardDrawQuad::MaterialCast(quad)); 311 break; 312 case cc::DrawQuad::DEBUG_BORDER: 313 WriteParam(m, *cc::DebugBorderDrawQuad::MaterialCast(quad)); 314 break; 315 case cc::DrawQuad::IO_SURFACE_CONTENT: 316 WriteParam(m, *cc::IOSurfaceDrawQuad::MaterialCast(quad)); 317 break; 318 case cc::DrawQuad::PICTURE_CONTENT: 319 NOTREACHED(); 320 break; 321 case cc::DrawQuad::TEXTURE_CONTENT: 322 WriteParam(m, *cc::TextureDrawQuad::MaterialCast(quad)); 323 break; 324 case cc::DrawQuad::RENDER_PASS: 325 WriteParam(m, *cc::RenderPassDrawQuad::MaterialCast(quad)); 326 break; 327 case cc::DrawQuad::SOLID_COLOR: 328 WriteParam(m, *cc::SolidColorDrawQuad::MaterialCast(quad)); 329 break; 330 case cc::DrawQuad::TILED_CONTENT: 331 WriteParam(m, *cc::TileDrawQuad::MaterialCast(quad)); 332 break; 333 case cc::DrawQuad::STREAM_VIDEO_CONTENT: 334 WriteParam(m, *cc::StreamVideoDrawQuad::MaterialCast(quad)); 335 break; 336 case cc::DrawQuad::YUV_VIDEO_CONTENT: 337 WriteParam(m, *cc::YUVVideoDrawQuad::MaterialCast(quad)); 338 break; 339 case cc::DrawQuad::INVALID: 340 break; 341 } 342 343 const cc::ScopedPtrVector<cc::SharedQuadState>& sqs_list = 344 p.shared_quad_state_list; 345 346 // This is an invalid index. 347 size_t bad_index = sqs_list.size(); 348 349 // Null shared quad states should not occur. 350 DCHECK(quad->shared_quad_state); 351 if (!quad->shared_quad_state) { 352 WriteParam(m, bad_index); 353 continue; 354 } 355 356 // SharedQuadStates should appear in the order they are used by DrawQuads. 357 // Find the SharedQuadState for this DrawQuad. 358 while (shared_quad_state_index < sqs_list.size() && 359 quad->shared_quad_state != sqs_list[shared_quad_state_index]) 360 ++shared_quad_state_index; 361 362 DCHECK_LT(shared_quad_state_index, sqs_list.size()); 363 if (shared_quad_state_index >= sqs_list.size()) { 364 WriteParam(m, bad_index); 365 continue; 366 } 367 368 WriteParam(m, shared_quad_state_index); 369 if (shared_quad_state_index != last_shared_quad_state_index) { 370 WriteParam(m, *sqs_list[shared_quad_state_index]); 371 last_shared_quad_state_index = shared_quad_state_index; 372 } 373 } 374 } 375 376 static size_t ReserveSizeForRenderPassWrite(const cc::RenderPass& p) { 377 size_t to_reserve = sizeof(cc::RenderPass); 378 379 to_reserve += p.shared_quad_state_list.size() * sizeof(cc::SharedQuadState); 380 381 // The shared_quad_state_index for each quad. 382 to_reserve += p.quad_list.size() * sizeof(size_t); 383 384 // The largest quad type, verified by a unit test. 385 to_reserve += p.quad_list.size() * sizeof(cc::RenderPassDrawQuad); 386 return to_reserve; 387 } 388 389 template<typename QuadType> 390 static scoped_ptr<cc::DrawQuad> ReadDrawQuad(const Message* m, 391 PickleIterator* iter) { 392 scoped_ptr<QuadType> quad = QuadType::Create(); 393 if (!ReadParam(m, iter, quad.get())) 394 return scoped_ptr<QuadType>().template PassAs<cc::DrawQuad>(); 395 return quad.template PassAs<cc::DrawQuad>(); 396 } 397 398 bool ParamTraits<cc::RenderPass>::Read( 399 const Message* m, PickleIterator* iter, param_type* p) { 400 cc::RenderPass::Id id(-1, -1); 401 gfx::Rect output_rect; 402 gfx::RectF damage_rect; 403 gfx::Transform transform_to_root_target; 404 bool has_transparent_background; 405 size_t shared_quad_state_list_size; 406 size_t quad_list_size; 407 408 if (!ReadParam(m, iter, &id) || 409 !ReadParam(m, iter, &output_rect) || 410 !ReadParam(m, iter, &damage_rect) || 411 !ReadParam(m, iter, &transform_to_root_target) || 412 !ReadParam(m, iter, &has_transparent_background) || 413 !ReadParam(m, iter, &shared_quad_state_list_size) || 414 !ReadParam(m, iter, &quad_list_size)) 415 return false; 416 417 p->SetAll(id, 418 output_rect, 419 damage_rect, 420 transform_to_root_target, 421 has_transparent_background); 422 423 size_t last_shared_quad_state_index = kuint32max; 424 for (size_t i = 0; i < quad_list_size; ++i) { 425 cc::DrawQuad::Material material; 426 PickleIterator temp_iter = *iter; 427 if (!ReadParam(m, &temp_iter, &material)) 428 return false; 429 430 scoped_ptr<cc::DrawQuad> draw_quad; 431 switch (material) { 432 case cc::DrawQuad::CHECKERBOARD: 433 draw_quad = ReadDrawQuad<cc::CheckerboardDrawQuad>(m, iter); 434 break; 435 case cc::DrawQuad::DEBUG_BORDER: 436 draw_quad = ReadDrawQuad<cc::DebugBorderDrawQuad>(m, iter); 437 break; 438 case cc::DrawQuad::IO_SURFACE_CONTENT: 439 draw_quad = ReadDrawQuad<cc::IOSurfaceDrawQuad>(m, iter); 440 break; 441 case cc::DrawQuad::PICTURE_CONTENT: 442 NOTREACHED(); 443 return false; 444 case cc::DrawQuad::TEXTURE_CONTENT: 445 draw_quad = ReadDrawQuad<cc::TextureDrawQuad>(m, iter); 446 break; 447 case cc::DrawQuad::RENDER_PASS: 448 draw_quad = ReadDrawQuad<cc::RenderPassDrawQuad>(m, iter); 449 break; 450 case cc::DrawQuad::SOLID_COLOR: 451 draw_quad = ReadDrawQuad<cc::SolidColorDrawQuad>(m, iter); 452 break; 453 case cc::DrawQuad::TILED_CONTENT: 454 draw_quad = ReadDrawQuad<cc::TileDrawQuad>(m, iter); 455 break; 456 case cc::DrawQuad::STREAM_VIDEO_CONTENT: 457 draw_quad = ReadDrawQuad<cc::StreamVideoDrawQuad>(m, iter); 458 break; 459 case cc::DrawQuad::YUV_VIDEO_CONTENT: 460 draw_quad = ReadDrawQuad<cc::YUVVideoDrawQuad>(m, iter); 461 break; 462 case cc::DrawQuad::INVALID: 463 break; 464 } 465 if (!draw_quad) 466 return false; 467 if (!draw_quad->rect.Contains(draw_quad->visible_rect)) { 468 LOG(ERROR) << "Quad with invalid visible rect " << draw_quad->material 469 << " rect: " << draw_quad->rect.ToString() 470 << " visible_rect: " << draw_quad->visible_rect.ToString(); 471 return false; 472 } 473 if (!draw_quad->opaque_rect.IsEmpty() && 474 !draw_quad->rect.Contains(draw_quad->opaque_rect)) { 475 LOG(ERROR) << "Quad with invalid opaque rect " << draw_quad->material 476 << " rect: " << draw_quad->rect.ToString() 477 << " opaque_rect: " << draw_quad->opaque_rect.ToString(); 478 return false; 479 } 480 481 size_t shared_quad_state_index; 482 if (!ReadParam(m, iter, &shared_quad_state_index)) 483 return false; 484 if (shared_quad_state_index >= shared_quad_state_list_size) 485 return false; 486 // SharedQuadState indexes should be in ascending order. 487 if (last_shared_quad_state_index != kuint32max && 488 shared_quad_state_index < last_shared_quad_state_index) 489 return false; 490 491 // If the quad has a new shared quad state, read it in. 492 if (last_shared_quad_state_index != shared_quad_state_index) { 493 scoped_ptr<cc::SharedQuadState> state(cc::SharedQuadState::Create()); 494 if (!ReadParam(m, iter, state.get())) 495 return false; 496 p->shared_quad_state_list.push_back(state.Pass()); 497 last_shared_quad_state_index = shared_quad_state_index; 498 } 499 500 draw_quad->shared_quad_state = p->shared_quad_state_list.back(); 501 p->quad_list.push_back(draw_quad.Pass()); 502 } 503 504 return true; 505 } 506 507 void ParamTraits<cc::RenderPass>::Log( 508 const param_type& p, std::string* l) { 509 l->append("RenderPass(("); 510 LogParam(p.id, l); 511 l->append("), "); 512 LogParam(p.output_rect, l); 513 l->append(", "); 514 LogParam(p.damage_rect, l); 515 l->append(", "); 516 LogParam(p.transform_to_root_target, l); 517 l->append(", "); 518 LogParam(p.has_transparent_background, l); 519 l->append(", "); 520 521 l->append("["); 522 for (size_t i = 0; i < p.shared_quad_state_list.size(); ++i) { 523 if (i) 524 l->append(", "); 525 LogParam(*p.shared_quad_state_list[i], l); 526 } 527 l->append("], ["); 528 for (size_t i = 0; i < p.quad_list.size(); ++i) { 529 if (i) 530 l->append(", "); 531 const cc::DrawQuad* quad = p.quad_list[i]; 532 switch (quad->material) { 533 case cc::DrawQuad::CHECKERBOARD: 534 LogParam(*cc::CheckerboardDrawQuad::MaterialCast(quad), l); 535 break; 536 case cc::DrawQuad::DEBUG_BORDER: 537 LogParam(*cc::DebugBorderDrawQuad::MaterialCast(quad), l); 538 break; 539 case cc::DrawQuad::IO_SURFACE_CONTENT: 540 LogParam(*cc::IOSurfaceDrawQuad::MaterialCast(quad), l); 541 break; 542 case cc::DrawQuad::PICTURE_CONTENT: 543 NOTREACHED(); 544 break; 545 case cc::DrawQuad::TEXTURE_CONTENT: 546 LogParam(*cc::TextureDrawQuad::MaterialCast(quad), l); 547 break; 548 case cc::DrawQuad::RENDER_PASS: 549 LogParam(*cc::RenderPassDrawQuad::MaterialCast(quad), l); 550 break; 551 case cc::DrawQuad::SOLID_COLOR: 552 LogParam(*cc::SolidColorDrawQuad::MaterialCast(quad), l); 553 break; 554 case cc::DrawQuad::TILED_CONTENT: 555 LogParam(*cc::TileDrawQuad::MaterialCast(quad), l); 556 break; 557 case cc::DrawQuad::STREAM_VIDEO_CONTENT: 558 LogParam(*cc::StreamVideoDrawQuad::MaterialCast(quad), l); 559 break; 560 case cc::DrawQuad::YUV_VIDEO_CONTENT: 561 LogParam(*cc::YUVVideoDrawQuad::MaterialCast(quad), l); 562 break; 563 case cc::DrawQuad::INVALID: 564 break; 565 } 566 } 567 l->append("])"); 568 } 569 570 namespace { 571 enum CompositorFrameType { 572 NO_FRAME, 573 DELEGATED_FRAME, 574 GL_FRAME, 575 SOFTWARE_FRAME, 576 }; 577 } 578 579 void ParamTraits<cc::CompositorFrame>::Write(Message* m, 580 const param_type& p) { 581 WriteParam(m, p.metadata); 582 if (p.delegated_frame_data) { 583 DCHECK(!p.gl_frame_data); 584 DCHECK(!p.software_frame_data); 585 WriteParam(m, static_cast<int>(DELEGATED_FRAME)); 586 WriteParam(m, *p.delegated_frame_data); 587 } else if (p.gl_frame_data) { 588 DCHECK(!p.software_frame_data); 589 WriteParam(m, static_cast<int>(GL_FRAME)); 590 WriteParam(m, *p.gl_frame_data); 591 } else if (p.software_frame_data) { 592 WriteParam(m, static_cast<int>(SOFTWARE_FRAME)); 593 WriteParam(m, *p.software_frame_data); 594 } else { 595 WriteParam(m, static_cast<int>(NO_FRAME)); 596 } 597 } 598 599 bool ParamTraits<cc::CompositorFrame>::Read(const Message* m, 600 PickleIterator* iter, 601 param_type* p) { 602 if (!ReadParam(m, iter, &p->metadata)) 603 return false; 604 605 int compositor_frame_type; 606 if (!ReadParam(m, iter, &compositor_frame_type)) 607 return false; 608 609 switch (compositor_frame_type) { 610 case DELEGATED_FRAME: 611 p->delegated_frame_data.reset(new cc::DelegatedFrameData()); 612 if (!ReadParam(m, iter, p->delegated_frame_data.get())) 613 return false; 614 break; 615 case GL_FRAME: 616 p->gl_frame_data.reset(new cc::GLFrameData()); 617 if (!ReadParam(m, iter, p->gl_frame_data.get())) 618 return false; 619 break; 620 case SOFTWARE_FRAME: 621 p->software_frame_data.reset(new cc::SoftwareFrameData()); 622 if (!ReadParam(m, iter, p->software_frame_data.get())) 623 return false; 624 break; 625 case NO_FRAME: 626 break; 627 default: 628 return false; 629 } 630 return true; 631 } 632 633 void ParamTraits<cc::CompositorFrame>::Log(const param_type& p, 634 std::string* l) { 635 l->append("CompositorFrame("); 636 LogParam(p.metadata, l); 637 l->append(", "); 638 if (p.delegated_frame_data) 639 LogParam(*p.delegated_frame_data, l); 640 else if (p.gl_frame_data) 641 LogParam(*p.gl_frame_data, l); 642 else if (p.software_frame_data) 643 LogParam(*p.software_frame_data, l); 644 l->append(")"); 645 } 646 647 void ParamTraits<cc::CompositorFrameAck>::Write(Message* m, 648 const param_type& p) { 649 WriteParam(m, p.resources); 650 WriteParam(m, p.last_software_frame_id); 651 if (p.gl_frame_data) { 652 WriteParam(m, static_cast<int>(GL_FRAME)); 653 WriteParam(m, *p.gl_frame_data); 654 } else { 655 WriteParam(m, static_cast<int>(NO_FRAME)); 656 } 657 } 658 659 bool ParamTraits<cc::CompositorFrameAck>::Read(const Message* m, 660 PickleIterator* iter, 661 param_type* p) { 662 if (!ReadParam(m, iter, &p->resources)) 663 return false; 664 665 if (!ReadParam(m, iter, &p->last_software_frame_id)) 666 return false; 667 668 int compositor_frame_type; 669 if (!ReadParam(m, iter, &compositor_frame_type)) 670 return false; 671 672 switch (compositor_frame_type) { 673 case NO_FRAME: 674 break; 675 case GL_FRAME: 676 p->gl_frame_data.reset(new cc::GLFrameData()); 677 if (!ReadParam(m, iter, p->gl_frame_data.get())) 678 return false; 679 break; 680 default: 681 return false; 682 } 683 return true; 684 } 685 686 void ParamTraits<cc::CompositorFrameAck>::Log(const param_type& p, 687 std::string* l) { 688 l->append("CompositorFrameAck("); 689 LogParam(p.resources, l); 690 l->append(", "); 691 LogParam(p.last_software_frame_id, l); 692 l->append(", "); 693 if (p.gl_frame_data) 694 LogParam(*p.gl_frame_data, l); 695 l->append(")"); 696 } 697 698 void ParamTraits<cc::DelegatedFrameData>::Write(Message* m, 699 const param_type& p) { 700 DCHECK_NE(0u, p.render_pass_list.size()); 701 702 size_t to_reserve = p.resource_list.size() * sizeof(cc::TransferableResource); 703 for (size_t i = 0; i < p.render_pass_list.size(); ++i) { 704 const cc::RenderPass* pass = p.render_pass_list[i]; 705 to_reserve += ReserveSizeForRenderPassWrite(*pass); 706 } 707 m->Reserve(to_reserve); 708 709 WriteParam(m, p.resource_list); 710 WriteParam(m, p.render_pass_list.size()); 711 for (size_t i = 0; i < p.render_pass_list.size(); ++i) 712 WriteParam(m, *p.render_pass_list[i]); 713 } 714 715 bool ParamTraits<cc::DelegatedFrameData>::Read(const Message* m, 716 PickleIterator* iter, 717 param_type* p) { 718 const static size_t kMaxRenderPasses = 10000; 719 720 size_t num_render_passes; 721 if (!ReadParam(m, iter, &p->resource_list) || 722 !ReadParam(m, iter, &num_render_passes) || 723 num_render_passes > kMaxRenderPasses || num_render_passes == 0) 724 return false; 725 for (size_t i = 0; i < num_render_passes; ++i) { 726 scoped_ptr<cc::RenderPass> render_pass = cc::RenderPass::Create(); 727 if (!ReadParam(m, iter, render_pass.get())) 728 return false; 729 p->render_pass_list.push_back(render_pass.Pass()); 730 } 731 return true; 732 } 733 734 void ParamTraits<cc::DelegatedFrameData>::Log(const param_type& p, 735 std::string* l) { 736 l->append("DelegatedFrameData("); 737 LogParam(p.resource_list, l); 738 l->append(", ["); 739 for (size_t i = 0; i < p.render_pass_list.size(); ++i) { 740 if (i) 741 l->append(", "); 742 LogParam(*p.render_pass_list[i], l); 743 } 744 l->append("])"); 745 } 746 747 } // namespace IPC 748
