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 "cc/output/compositor_frame.h" 8#include "cc/output/filter_operations.h" 9#include "cc/quads/largest_draw_quad.h" 10#include "content/public/common/common_param_traits.h" 11#include "third_party/skia/include/core/SkData.h" 12#include "third_party/skia/include/core/SkFlattenableSerialization.h" 13#include "ui/gfx/transform.h" 14 15namespace IPC { 16 17void ParamTraits<cc::FilterOperation>::Write( 18 Message* m, const param_type& p) { 19 WriteParam(m, p.type()); 20 switch (p.type()) { 21 case cc::FilterOperation::GRAYSCALE: 22 case cc::FilterOperation::SEPIA: 23 case cc::FilterOperation::SATURATE: 24 case cc::FilterOperation::HUE_ROTATE: 25 case cc::FilterOperation::INVERT: 26 case cc::FilterOperation::BRIGHTNESS: 27 case cc::FilterOperation::SATURATING_BRIGHTNESS: 28 case cc::FilterOperation::CONTRAST: 29 case cc::FilterOperation::OPACITY: 30 case cc::FilterOperation::BLUR: 31 WriteParam(m, p.amount()); 32 break; 33 case cc::FilterOperation::DROP_SHADOW: 34 WriteParam(m, p.drop_shadow_offset()); 35 WriteParam(m, p.amount()); 36 WriteParam(m, p.drop_shadow_color()); 37 break; 38 case cc::FilterOperation::COLOR_MATRIX: 39 for (int i = 0; i < 20; ++i) 40 WriteParam(m, p.matrix()[i]); 41 break; 42 case cc::FilterOperation::ZOOM: 43 WriteParam(m, p.amount()); 44 WriteParam(m, p.zoom_inset()); 45 break; 46 case cc::FilterOperation::REFERENCE: 47 WriteParam(m, p.image_filter()); 48 break; 49 case cc::FilterOperation::ALPHA_THRESHOLD: 50 NOTREACHED(); 51 break; 52 } 53} 54 55bool ParamTraits<cc::FilterOperation>::Read( 56 const Message* m, PickleIterator* iter, param_type* r) { 57 cc::FilterOperation::FilterType type; 58 float amount; 59 gfx::Point drop_shadow_offset; 60 SkColor drop_shadow_color; 61 SkScalar matrix[20]; 62 int zoom_inset; 63 64 if (!ReadParam(m, iter, &type)) 65 return false; 66 r->set_type(type); 67 68 bool success = false; 69 switch (type) { 70 case cc::FilterOperation::GRAYSCALE: 71 case cc::FilterOperation::SEPIA: 72 case cc::FilterOperation::SATURATE: 73 case cc::FilterOperation::HUE_ROTATE: 74 case cc::FilterOperation::INVERT: 75 case cc::FilterOperation::BRIGHTNESS: 76 case cc::FilterOperation::SATURATING_BRIGHTNESS: 77 case cc::FilterOperation::CONTRAST: 78 case cc::FilterOperation::OPACITY: 79 case cc::FilterOperation::BLUR: 80 if (ReadParam(m, iter, &amount)) { 81 r->set_amount(amount); 82 success = true; 83 } 84 break; 85 case cc::FilterOperation::DROP_SHADOW: 86 if (ReadParam(m, iter, &drop_shadow_offset) && 87 ReadParam(m, iter, &amount) && 88 ReadParam(m, iter, &drop_shadow_color)) { 89 r->set_drop_shadow_offset(drop_shadow_offset); 90 r->set_amount(amount); 91 r->set_drop_shadow_color(drop_shadow_color); 92 success = true; 93 } 94 break; 95 case cc::FilterOperation::COLOR_MATRIX: { 96 int i; 97 for (i = 0; i < 20; ++i) { 98 if (!ReadParam(m, iter, &matrix[i])) 99 break; 100 } 101 if (i == 20) { 102 r->set_matrix(matrix); 103 success = true; 104 } 105 break; 106 } 107 case cc::FilterOperation::ZOOM: 108 if (ReadParam(m, iter, &amount) && 109 ReadParam(m, iter, &zoom_inset) && 110 amount >= 0.f && 111 zoom_inset >= 0) { 112 r->set_amount(amount); 113 r->set_zoom_inset(zoom_inset); 114 success = true; 115 } 116 break; 117 case cc::FilterOperation::REFERENCE: { 118 skia::RefPtr<SkImageFilter> filter; 119 if (!ReadParam(m, iter, &filter)) { 120 success = false; 121 break; 122 } 123 r->set_image_filter(filter); 124 success = true; 125 break; 126 } 127 case cc::FilterOperation::ALPHA_THRESHOLD: 128 break; 129 } 130 return success; 131} 132 133void ParamTraits<cc::FilterOperation>::Log( 134 const param_type& p, std::string* l) { 135 l->append("("); 136 LogParam(static_cast<unsigned>(p.type()), l); 137 l->append(", "); 138 139 switch (p.type()) { 140 case cc::FilterOperation::GRAYSCALE: 141 case cc::FilterOperation::SEPIA: 142 case cc::FilterOperation::SATURATE: 143 case cc::FilterOperation::HUE_ROTATE: 144 case cc::FilterOperation::INVERT: 145 case cc::FilterOperation::BRIGHTNESS: 146 case cc::FilterOperation::SATURATING_BRIGHTNESS: 147 case cc::FilterOperation::CONTRAST: 148 case cc::FilterOperation::OPACITY: 149 case cc::FilterOperation::BLUR: 150 LogParam(p.amount(), l); 151 break; 152 case cc::FilterOperation::DROP_SHADOW: 153 LogParam(p.drop_shadow_offset(), l); 154 l->append(", "); 155 LogParam(p.amount(), l); 156 l->append(", "); 157 LogParam(p.drop_shadow_color(), l); 158 break; 159 case cc::FilterOperation::COLOR_MATRIX: 160 for (int i = 0; i < 20; ++i) { 161 if (i) 162 l->append(", "); 163 LogParam(p.matrix()[i], l); 164 } 165 break; 166 case cc::FilterOperation::ZOOM: 167 LogParam(p.amount(), l); 168 l->append(", "); 169 LogParam(p.zoom_inset(), l); 170 break; 171 case cc::FilterOperation::REFERENCE: 172 LogParam(p.image_filter(), l); 173 break; 174 case cc::FilterOperation::ALPHA_THRESHOLD: 175 NOTREACHED(); 176 break; 177 } 178 l->append(")"); 179} 180 181void ParamTraits<cc::FilterOperations>::Write( 182 Message* m, const param_type& p) { 183 WriteParam(m, p.size()); 184 for (std::size_t i = 0; i < p.size(); ++i) { 185 WriteParam(m, p.at(i)); 186 } 187} 188 189bool ParamTraits<cc::FilterOperations>::Read( 190 const Message* m, PickleIterator* iter, param_type* r) { 191 size_t count; 192 if (!ReadParam(m, iter, &count)) 193 return false; 194 195 for (std::size_t i = 0; i < count; ++i) { 196 cc::FilterOperation op = cc::FilterOperation::CreateEmptyFilter(); 197 if (!ReadParam(m, iter, &op)) 198 return false; 199 r->Append(op); 200 } 201 return true; 202} 203 204void ParamTraits<cc::FilterOperations>::Log( 205 const param_type& p, std::string* l) { 206 l->append("("); 207 for (std::size_t i = 0; i < p.size(); ++i) { 208 if (i) 209 l->append(", "); 210 LogParam(p.at(i), l); 211 } 212 l->append(")"); 213} 214 215void ParamTraits<skia::RefPtr<SkImageFilter> >::Write( 216 Message* m, const param_type& p) { 217 SkImageFilter* filter = p.get(); 218 if (filter) { 219 skia::RefPtr<SkData> data = 220 skia::AdoptRef(SkValidatingSerializeFlattenable(filter)); 221 m->WriteData(static_cast<const char*>(data->data()), data->size()); 222 } else { 223 m->WriteData(0, 0); 224 } 225} 226 227bool ParamTraits<skia::RefPtr<SkImageFilter> >::Read( 228 const Message* m, PickleIterator* iter, param_type* r) { 229 const char* data = 0; 230 int length = 0; 231 if (!m->ReadData(iter, &data, &length)) 232 return false; 233 if (length > 0) { 234 SkFlattenable* flattenable = SkValidatingDeserializeFlattenable( 235 data, length, SkImageFilter::GetFlattenableType()); 236 *r = skia::AdoptRef(static_cast<SkImageFilter*>(flattenable)); 237 } else { 238 r->clear(); 239 } 240 return true; 241} 242 243void ParamTraits<skia::RefPtr<SkImageFilter> >::Log( 244 const param_type& p, std::string* l) { 245 l->append("("); 246 LogParam(p.get() ? p->countInputs() : 0, l); 247 l->append(")"); 248} 249 250void ParamTraits<gfx::Transform>::Write( 251 Message* m, const param_type& p) { 252#ifdef SK_MSCALAR_IS_FLOAT 253 float column_major_data[16]; 254 p.matrix().asColMajorf(column_major_data); 255#else 256 double column_major_data[16]; 257 p.matrix().asColMajord(column_major_data); 258#endif 259 m->WriteBytes(&column_major_data, sizeof(SkMScalar) * 16); 260} 261 262bool ParamTraits<gfx::Transform>::Read( 263 const Message* m, PickleIterator* iter, param_type* r) { 264 const char* column_major_data; 265 if (!m->ReadBytes(iter, &column_major_data, sizeof(SkMScalar) * 16)) 266 return false; 267 r->matrix().setColMajor( 268 reinterpret_cast<const SkMScalar*>(column_major_data)); 269 return true; 270} 271 272void ParamTraits<gfx::Transform>::Log( 273 const param_type& p, std::string* l) { 274#ifdef SK_MSCALAR_IS_FLOAT 275 float row_major_data[16]; 276 p.matrix().asRowMajorf(row_major_data); 277#else 278 double row_major_data[16]; 279 p.matrix().asRowMajord(row_major_data); 280#endif 281 l->append("("); 282 for (int i = 0; i < 16; ++i) { 283 if (i > 0) 284 l->append(", "); 285 LogParam(row_major_data[i], l); 286 } 287 l->append(") "); 288} 289 290void ParamTraits<cc::RenderPass>::Write( 291 Message* m, const param_type& p) { 292 WriteParam(m, p.id); 293 WriteParam(m, p.output_rect); 294 WriteParam(m, p.damage_rect); 295 WriteParam(m, p.transform_to_root_target); 296 WriteParam(m, p.has_transparent_background); 297 WriteParam(m, p.shared_quad_state_list.size()); 298 WriteParam(m, p.quad_list.size()); 299 300 size_t shared_quad_state_index = 0; 301 size_t last_shared_quad_state_index = kuint32max; 302 for (cc::QuadList::ConstIterator iter = p.quad_list.begin(); 303 iter != p.quad_list.end(); 304 ++iter) { 305 const cc::DrawQuad* quad = &*iter; 306 DCHECK(quad->rect.Contains(quad->visible_rect)) 307 << quad->material << " rect: " << quad->rect.ToString() 308 << " visible_rect: " << quad->visible_rect.ToString(); 309 DCHECK(quad->opaque_rect.IsEmpty() || 310 quad->rect.Contains(quad->opaque_rect)) 311 << quad->material << " rect: " << quad->rect.ToString() 312 << " opaque_rect: " << quad->opaque_rect.ToString(); 313 314 switch (quad->material) { 315 case cc::DrawQuad::CHECKERBOARD: 316 WriteParam(m, *cc::CheckerboardDrawQuad::MaterialCast(quad)); 317 break; 318 case cc::DrawQuad::DEBUG_BORDER: 319 WriteParam(m, *cc::DebugBorderDrawQuad::MaterialCast(quad)); 320 break; 321 case cc::DrawQuad::IO_SURFACE_CONTENT: 322 WriteParam(m, *cc::IOSurfaceDrawQuad::MaterialCast(quad)); 323 break; 324 case cc::DrawQuad::PICTURE_CONTENT: 325 NOTREACHED(); 326 break; 327 case cc::DrawQuad::TEXTURE_CONTENT: 328 WriteParam(m, *cc::TextureDrawQuad::MaterialCast(quad)); 329 break; 330 case cc::DrawQuad::RENDER_PASS: 331 WriteParam(m, *cc::RenderPassDrawQuad::MaterialCast(quad)); 332 break; 333 case cc::DrawQuad::SOLID_COLOR: 334 WriteParam(m, *cc::SolidColorDrawQuad::MaterialCast(quad)); 335 break; 336 case cc::DrawQuad::SURFACE_CONTENT: 337 WriteParam(m, *cc::SurfaceDrawQuad::MaterialCast(quad)); 338 break; 339 case cc::DrawQuad::TILED_CONTENT: 340 WriteParam(m, *cc::TileDrawQuad::MaterialCast(quad)); 341 break; 342 case cc::DrawQuad::STREAM_VIDEO_CONTENT: 343 WriteParam(m, *cc::StreamVideoDrawQuad::MaterialCast(quad)); 344 break; 345 case cc::DrawQuad::YUV_VIDEO_CONTENT: 346 WriteParam(m, *cc::YUVVideoDrawQuad::MaterialCast(quad)); 347 break; 348 case cc::DrawQuad::INVALID: 349 break; 350 } 351 352 const cc::ScopedPtrVector<cc::SharedQuadState>& sqs_list = 353 p.shared_quad_state_list; 354 355 // This is an invalid index. 356 size_t bad_index = sqs_list.size(); 357 358 // Null shared quad states should not occur. 359 DCHECK(quad->shared_quad_state); 360 if (!quad->shared_quad_state) { 361 WriteParam(m, bad_index); 362 continue; 363 } 364 365 // SharedQuadStates should appear in the order they are used by DrawQuads. 366 // Find the SharedQuadState for this DrawQuad. 367 while (shared_quad_state_index < sqs_list.size() && 368 quad->shared_quad_state != sqs_list[shared_quad_state_index]) 369 ++shared_quad_state_index; 370 371 DCHECK_LT(shared_quad_state_index, sqs_list.size()); 372 if (shared_quad_state_index >= sqs_list.size()) { 373 WriteParam(m, bad_index); 374 continue; 375 } 376 377 WriteParam(m, shared_quad_state_index); 378 if (shared_quad_state_index != last_shared_quad_state_index) { 379 WriteParam(m, *sqs_list[shared_quad_state_index]); 380 last_shared_quad_state_index = shared_quad_state_index; 381 } 382 } 383} 384 385static size_t ReserveSizeForRenderPassWrite(const cc::RenderPass& p) { 386 size_t to_reserve = sizeof(cc::RenderPass); 387 388 to_reserve += p.shared_quad_state_list.size() * sizeof(cc::SharedQuadState); 389 390 // The shared_quad_state_index for each quad. 391 to_reserve += p.quad_list.size() * sizeof(size_t); 392 393 // The largest quad type, verified by a unit test. 394 to_reserve += p.quad_list.size() * sizeof(cc::kLargestDrawQuad); 395 return to_reserve; 396} 397 398template <typename QuadType> 399static cc::DrawQuad* ReadDrawQuad(const Message* m, 400 PickleIterator* iter, 401 cc::RenderPass* render_pass) { 402 QuadType* quad = render_pass->CreateAndAppendDrawQuad<QuadType>(); 403 if (!ReadParam(m, iter, quad)) 404 return NULL; 405 return quad; 406} 407 408bool ParamTraits<cc::RenderPass>::Read( 409 const Message* m, PickleIterator* iter, param_type* p) { 410 cc::RenderPassId id(-1, -1); 411 gfx::Rect output_rect; 412 gfx::Rect damage_rect; 413 gfx::Transform transform_to_root_target; 414 bool has_transparent_background; 415 size_t shared_quad_state_list_size; 416 size_t quad_list_size; 417 418 if (!ReadParam(m, iter, &id) || 419 !ReadParam(m, iter, &output_rect) || 420 !ReadParam(m, iter, &damage_rect) || 421 !ReadParam(m, iter, &transform_to_root_target) || 422 !ReadParam(m, iter, &has_transparent_background) || 423 !ReadParam(m, iter, &shared_quad_state_list_size) || 424 !ReadParam(m, iter, &quad_list_size)) 425 return false; 426 427 p->SetAll(id, 428 output_rect, 429 damage_rect, 430 transform_to_root_target, 431 has_transparent_background); 432 433 size_t last_shared_quad_state_index = kuint32max; 434 for (size_t i = 0; i < quad_list_size; ++i) { 435 cc::DrawQuad::Material material; 436 PickleIterator temp_iter = *iter; 437 if (!ReadParam(m, &temp_iter, &material)) 438 return false; 439 440 cc::DrawQuad* draw_quad = NULL; 441 switch (material) { 442 case cc::DrawQuad::CHECKERBOARD: 443 draw_quad = ReadDrawQuad<cc::CheckerboardDrawQuad>(m, iter, p); 444 break; 445 case cc::DrawQuad::DEBUG_BORDER: 446 draw_quad = ReadDrawQuad<cc::DebugBorderDrawQuad>(m, iter, p); 447 break; 448 case cc::DrawQuad::IO_SURFACE_CONTENT: 449 draw_quad = ReadDrawQuad<cc::IOSurfaceDrawQuad>(m, iter, p); 450 break; 451 case cc::DrawQuad::PICTURE_CONTENT: 452 NOTREACHED(); 453 return false; 454 case cc::DrawQuad::SURFACE_CONTENT: 455 draw_quad = ReadDrawQuad<cc::SurfaceDrawQuad>(m, iter, p); 456 break; 457 case cc::DrawQuad::TEXTURE_CONTENT: 458 draw_quad = ReadDrawQuad<cc::TextureDrawQuad>(m, iter, p); 459 break; 460 case cc::DrawQuad::RENDER_PASS: 461 draw_quad = ReadDrawQuad<cc::RenderPassDrawQuad>(m, iter, p); 462 break; 463 case cc::DrawQuad::SOLID_COLOR: 464 draw_quad = ReadDrawQuad<cc::SolidColorDrawQuad>(m, iter, p); 465 break; 466 case cc::DrawQuad::TILED_CONTENT: 467 draw_quad = ReadDrawQuad<cc::TileDrawQuad>(m, iter, p); 468 break; 469 case cc::DrawQuad::STREAM_VIDEO_CONTENT: 470 draw_quad = ReadDrawQuad<cc::StreamVideoDrawQuad>(m, iter, p); 471 break; 472 case cc::DrawQuad::YUV_VIDEO_CONTENT: 473 draw_quad = ReadDrawQuad<cc::YUVVideoDrawQuad>(m, iter, p); 474 break; 475 case cc::DrawQuad::INVALID: 476 break; 477 } 478 if (!draw_quad) 479 return false; 480 if (!draw_quad->rect.Contains(draw_quad->visible_rect)) { 481 LOG(ERROR) << "Quad with invalid visible rect " << draw_quad->material 482 << " rect: " << draw_quad->rect.ToString() 483 << " visible_rect: " << draw_quad->visible_rect.ToString(); 484 return false; 485 } 486 if (!draw_quad->opaque_rect.IsEmpty() && 487 !draw_quad->rect.Contains(draw_quad->opaque_rect)) { 488 LOG(ERROR) << "Quad with invalid opaque rect " << draw_quad->material 489 << " rect: " << draw_quad->rect.ToString() 490 << " opaque_rect: " << draw_quad->opaque_rect.ToString(); 491 return false; 492 } 493 494 size_t shared_quad_state_index; 495 if (!ReadParam(m, iter, &shared_quad_state_index)) 496 return false; 497 if (shared_quad_state_index >= shared_quad_state_list_size) 498 return false; 499 // SharedQuadState indexes should be in ascending order. 500 if (last_shared_quad_state_index != kuint32max && 501 shared_quad_state_index < last_shared_quad_state_index) 502 return false; 503 504 // If the quad has a new shared quad state, read it in. 505 if (last_shared_quad_state_index != shared_quad_state_index) { 506 cc::SharedQuadState* state = p->CreateAndAppendSharedQuadState(); 507 if (!ReadParam(m, iter, state)) 508 return false; 509 last_shared_quad_state_index = shared_quad_state_index; 510 } 511 512 draw_quad->shared_quad_state = p->shared_quad_state_list.back(); 513 } 514 515 return true; 516} 517 518void ParamTraits<cc::RenderPass>::Log( 519 const param_type& p, std::string* l) { 520 l->append("RenderPass(("); 521 LogParam(p.id, l); 522 l->append("), "); 523 LogParam(p.output_rect, l); 524 l->append(", "); 525 LogParam(p.damage_rect, l); 526 l->append(", "); 527 LogParam(p.transform_to_root_target, l); 528 l->append(", "); 529 LogParam(p.has_transparent_background, l); 530 l->append(", "); 531 532 l->append("["); 533 for (size_t i = 0; i < p.shared_quad_state_list.size(); ++i) { 534 if (i) 535 l->append(", "); 536 LogParam(*p.shared_quad_state_list[i], l); 537 } 538 l->append("], ["); 539 for (cc::QuadList::ConstIterator iter = p.quad_list.begin(); 540 iter != p.quad_list.end(); 541 ++iter) { 542 if (iter != p.quad_list.begin()) 543 l->append(", "); 544 const cc::DrawQuad* quad = &*iter; 545 switch (quad->material) { 546 case cc::DrawQuad::CHECKERBOARD: 547 LogParam(*cc::CheckerboardDrawQuad::MaterialCast(quad), l); 548 break; 549 case cc::DrawQuad::DEBUG_BORDER: 550 LogParam(*cc::DebugBorderDrawQuad::MaterialCast(quad), l); 551 break; 552 case cc::DrawQuad::IO_SURFACE_CONTENT: 553 LogParam(*cc::IOSurfaceDrawQuad::MaterialCast(quad), l); 554 break; 555 case cc::DrawQuad::PICTURE_CONTENT: 556 NOTREACHED(); 557 break; 558 case cc::DrawQuad::TEXTURE_CONTENT: 559 LogParam(*cc::TextureDrawQuad::MaterialCast(quad), l); 560 break; 561 case cc::DrawQuad::RENDER_PASS: 562 LogParam(*cc::RenderPassDrawQuad::MaterialCast(quad), l); 563 break; 564 case cc::DrawQuad::SOLID_COLOR: 565 LogParam(*cc::SolidColorDrawQuad::MaterialCast(quad), l); 566 break; 567 case cc::DrawQuad::SURFACE_CONTENT: 568 LogParam(*cc::SurfaceDrawQuad::MaterialCast(quad), l); 569 break; 570 case cc::DrawQuad::TILED_CONTENT: 571 LogParam(*cc::TileDrawQuad::MaterialCast(quad), l); 572 break; 573 case cc::DrawQuad::STREAM_VIDEO_CONTENT: 574 LogParam(*cc::StreamVideoDrawQuad::MaterialCast(quad), l); 575 break; 576 case cc::DrawQuad::YUV_VIDEO_CONTENT: 577 LogParam(*cc::YUVVideoDrawQuad::MaterialCast(quad), l); 578 break; 579 case cc::DrawQuad::INVALID: 580 break; 581 } 582 } 583 l->append("])"); 584} 585 586namespace { 587 enum CompositorFrameType { 588 NO_FRAME, 589 DELEGATED_FRAME, 590 GL_FRAME, 591 SOFTWARE_FRAME, 592 }; 593} 594 595void ParamTraits<cc::CompositorFrame>::Write(Message* m, 596 const param_type& p) { 597 WriteParam(m, p.metadata); 598 if (p.delegated_frame_data) { 599 DCHECK(!p.gl_frame_data); 600 DCHECK(!p.software_frame_data); 601 WriteParam(m, static_cast<int>(DELEGATED_FRAME)); 602 WriteParam(m, *p.delegated_frame_data); 603 } else if (p.gl_frame_data) { 604 DCHECK(!p.software_frame_data); 605 WriteParam(m, static_cast<int>(GL_FRAME)); 606 WriteParam(m, *p.gl_frame_data); 607 } else if (p.software_frame_data) { 608 WriteParam(m, static_cast<int>(SOFTWARE_FRAME)); 609 WriteParam(m, *p.software_frame_data); 610 } else { 611 WriteParam(m, static_cast<int>(NO_FRAME)); 612 } 613} 614 615bool ParamTraits<cc::CompositorFrame>::Read(const Message* m, 616 PickleIterator* iter, 617 param_type* p) { 618 if (!ReadParam(m, iter, &p->metadata)) 619 return false; 620 621 int compositor_frame_type; 622 if (!ReadParam(m, iter, &compositor_frame_type)) 623 return false; 624 625 switch (compositor_frame_type) { 626 case DELEGATED_FRAME: 627 p->delegated_frame_data.reset(new cc::DelegatedFrameData()); 628 if (!ReadParam(m, iter, p->delegated_frame_data.get())) 629 return false; 630 break; 631 case GL_FRAME: 632 p->gl_frame_data.reset(new cc::GLFrameData()); 633 if (!ReadParam(m, iter, p->gl_frame_data.get())) 634 return false; 635 break; 636 case SOFTWARE_FRAME: 637 p->software_frame_data.reset(new cc::SoftwareFrameData()); 638 if (!ReadParam(m, iter, p->software_frame_data.get())) 639 return false; 640 break; 641 case NO_FRAME: 642 break; 643 default: 644 return false; 645 } 646 return true; 647} 648 649void ParamTraits<cc::CompositorFrame>::Log(const param_type& p, 650 std::string* l) { 651 l->append("CompositorFrame("); 652 LogParam(p.metadata, l); 653 l->append(", "); 654 if (p.delegated_frame_data) 655 LogParam(*p.delegated_frame_data, l); 656 else if (p.gl_frame_data) 657 LogParam(*p.gl_frame_data, l); 658 else if (p.software_frame_data) 659 LogParam(*p.software_frame_data, l); 660 l->append(")"); 661} 662 663void ParamTraits<cc::CompositorFrameAck>::Write(Message* m, 664 const param_type& p) { 665 WriteParam(m, p.resources); 666 WriteParam(m, p.last_software_frame_id); 667 if (p.gl_frame_data) { 668 WriteParam(m, static_cast<int>(GL_FRAME)); 669 WriteParam(m, *p.gl_frame_data); 670 } else { 671 WriteParam(m, static_cast<int>(NO_FRAME)); 672 } 673} 674 675bool ParamTraits<cc::CompositorFrameAck>::Read(const Message* m, 676 PickleIterator* iter, 677 param_type* p) { 678 if (!ReadParam(m, iter, &p->resources)) 679 return false; 680 681 if (!ReadParam(m, iter, &p->last_software_frame_id)) 682 return false; 683 684 int compositor_frame_type; 685 if (!ReadParam(m, iter, &compositor_frame_type)) 686 return false; 687 688 switch (compositor_frame_type) { 689 case NO_FRAME: 690 break; 691 case GL_FRAME: 692 p->gl_frame_data.reset(new cc::GLFrameData()); 693 if (!ReadParam(m, iter, p->gl_frame_data.get())) 694 return false; 695 break; 696 default: 697 return false; 698 } 699 return true; 700} 701 702void ParamTraits<cc::CompositorFrameAck>::Log(const param_type& p, 703 std::string* l) { 704 l->append("CompositorFrameAck("); 705 LogParam(p.resources, l); 706 l->append(", "); 707 LogParam(p.last_software_frame_id, l); 708 l->append(", "); 709 if (p.gl_frame_data) 710 LogParam(*p.gl_frame_data, l); 711 l->append(")"); 712} 713 714void ParamTraits<cc::DelegatedFrameData>::Write(Message* m, 715 const param_type& p) { 716 DCHECK_NE(0u, p.render_pass_list.size()); 717 718 size_t to_reserve = sizeof(p.device_scale_factor); 719 to_reserve += p.resource_list.size() * sizeof(cc::TransferableResource); 720 for (size_t i = 0; i < p.render_pass_list.size(); ++i) { 721 const cc::RenderPass* pass = p.render_pass_list[i]; 722 to_reserve += ReserveSizeForRenderPassWrite(*pass); 723 } 724 m->Reserve(to_reserve); 725 726 WriteParam(m, p.device_scale_factor); 727 WriteParam(m, p.resource_list); 728 WriteParam(m, p.render_pass_list.size()); 729 for (size_t i = 0; i < p.render_pass_list.size(); ++i) 730 WriteParam(m, *p.render_pass_list[i]); 731} 732 733bool ParamTraits<cc::DelegatedFrameData>::Read(const Message* m, 734 PickleIterator* iter, 735 param_type* p) { 736 if (!ReadParam(m, iter, &p->device_scale_factor)) 737 return false; 738 739 const static size_t kMaxRenderPasses = 10000; 740 741 size_t num_render_passes; 742 if (!ReadParam(m, iter, &p->resource_list) || 743 !ReadParam(m, iter, &num_render_passes) || 744 num_render_passes > kMaxRenderPasses || num_render_passes == 0) 745 return false; 746 for (size_t i = 0; i < num_render_passes; ++i) { 747 scoped_ptr<cc::RenderPass> render_pass = cc::RenderPass::Create(); 748 if (!ReadParam(m, iter, render_pass.get())) 749 return false; 750 p->render_pass_list.push_back(render_pass.Pass()); 751 } 752 return true; 753} 754 755void ParamTraits<cc::DelegatedFrameData>::Log(const param_type& p, 756 std::string* l) { 757 l->append("DelegatedFrameData("); 758 LogParam(p.device_scale_factor, l); 759 LogParam(p.resource_list, l); 760 l->append(", ["); 761 for (size_t i = 0; i < p.render_pass_list.size(); ++i) { 762 if (i) 763 l->append(", "); 764 LogParam(*p.render_pass_list[i], l); 765 } 766 l->append("])"); 767} 768 769void ParamTraits<cc::SoftwareFrameData>::Write(Message* m, 770 const param_type& p) { 771 DCHECK(cc::SharedBitmap::VerifySizeInBytes(p.size)); 772 773 m->Reserve(sizeof(cc::SoftwareFrameData)); 774 WriteParam(m, p.id); 775 WriteParam(m, p.size); 776 WriteParam(m, p.damage_rect); 777 WriteParam(m, p.bitmap_id); 778} 779 780bool ParamTraits<cc::SoftwareFrameData>::Read(const Message* m, 781 PickleIterator* iter, 782 param_type* p) { 783 if (!ReadParam(m, iter, &p->id)) 784 return false; 785 if (!ReadParam(m, iter, &p->size) || 786 !cc::SharedBitmap::VerifySizeInBytes(p->size)) 787 return false; 788 if (!ReadParam(m, iter, &p->damage_rect)) 789 return false; 790 if (!ReadParam(m, iter, &p->bitmap_id)) 791 return false; 792 return true; 793} 794 795void ParamTraits<cc::SoftwareFrameData>::Log(const param_type& p, 796 std::string* l) { 797 l->append("SoftwareFrameData("); 798 LogParam(p.id, l); 799 l->append(", "); 800 LogParam(p.size, l); 801 l->append(", "); 802 LogParam(p.damage_rect, l); 803 l->append(", "); 804 LogParam(p.bitmap_id, l); 805 l->append(")"); 806} 807 808} // namespace IPC 809