gpu/command_buffer/tests/gl_manager.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 "gpu/command_buffer/tests/gl_manager.h"
   6
   7 #include <GLES2/gl2.h>
   8 #include <GLES2/gl2ext.h>
   9 #include <GLES2/gl2extchromium.h>
  10
  11 #include <vector>
  12
  13 #include "base/at_exit.h"
  14 #include "base/bind.h"
  15 #include "base/memory/ref_counted_memory.h"
  16 #include "gpu/command_buffer/client/gles2_cmd_helper.h"
  17 #include "gpu/command_buffer/client/gles2_implementation.h"
  18 #include "gpu/command_buffer/client/gles2_lib.h"
  19 #include "gpu/command_buffer/client/transfer_buffer.h"
  20 #include "gpu/command_buffer/common/constants.h"
  21 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
  22 #include "gpu/command_buffer/common/value_state.h"
  23 #include "gpu/command_buffer/service/command_buffer_service.h"
  24 #include "gpu/command_buffer/service/context_group.h"
  25 #include "gpu/command_buffer/service/gl_context_virtual.h"
  26 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
  27 #include "gpu/command_buffer/service/gpu_scheduler.h"
  28 #include "gpu/command_buffer/service/image_manager.h"
  29 #include "gpu/command_buffer/service/mailbox_manager_impl.h"
  30 #include "gpu/command_buffer/service/memory_tracking.h"
  31 #include "gpu/command_buffer/service/valuebuffer_manager.h"
  32 #include "testing/gtest/include/gtest/gtest.h"
  33 #include "ui/gfx/gpu_memory_buffer.h"
  34 #include "ui/gl/gl_context.h"
  35 #include "ui/gl/gl_image_ref_counted_memory.h"
  36 #include "ui/gl/gl_share_group.h"
  37 #include "ui/gl/gl_surface.h"
  38
  39 namespace gpu {
  40 namespace {
  41
  42 size_t NumberOfPlanesForGpuMemoryBufferFormat(gfx::BufferFormat format) {
  43   switch (format) {
  44     case gfx::BufferFormat::ATC:
  45     case gfx::BufferFormat::ATCIA:
  46     case gfx::BufferFormat::DXT1:
  47     case gfx::BufferFormat::DXT5:
  48     case gfx::BufferFormat::ETC1:
  49     case gfx::BufferFormat::R_8:
  50     case gfx::BufferFormat::RGBA_4444:
  51     case gfx::BufferFormat::RGBA_8888:
  52     case gfx::BufferFormat::RGBX_8888:
  53     case gfx::BufferFormat::BGRA_8888:
  54       return 1;
  55     case gfx::BufferFormat::YUV_420:
  56       return 3;
  57   }
  58   NOTREACHED();
  59   return 0;
  60 }
  61
  62 size_t SubsamplingFactor(gfx::BufferFormat format, int plane) {
  63   switch (format) {
  64     case gfx::BufferFormat::ATC:
  65     case gfx::BufferFormat::ATCIA:
  66     case gfx::BufferFormat::DXT1:
  67     case gfx::BufferFormat::DXT5:
  68     case gfx::BufferFormat::ETC1:
  69     case gfx::BufferFormat::R_8:
  70     case gfx::BufferFormat::RGBA_4444:
  71     case gfx::BufferFormat::RGBA_8888:
  72     case gfx::BufferFormat::RGBX_8888:
  73     case gfx::BufferFormat::BGRA_8888:
  74       return 1;
  75     case gfx::BufferFormat::YUV_420: {
  76       static size_t factor[] = {1, 2, 2};
  77       DCHECK_LT(static_cast<size_t>(plane), arraysize(factor));
  78       return factor[plane];
  79     }
  80   }
  81   NOTREACHED();
  82   return 0;
  83 }
  84
  85 size_t StrideInBytes(size_t width, gfx::BufferFormat format, int plane) {
  86   switch (format) {
  87     case gfx::BufferFormat::ATCIA:
  88     case gfx::BufferFormat::DXT5:
  89       DCHECK_EQ(plane, 0);
  90       return width;
  91     case gfx::BufferFormat::ATC:
  92     case gfx::BufferFormat::DXT1:
  93     case gfx::BufferFormat::ETC1:
  94       DCHECK_EQ(plane, 0);
  95       DCHECK_EQ(width % 2, 0U);
  96       return width / 2;
  97     case gfx::BufferFormat::R_8:
  98       return (width + 3) & ~0x3;
  99     case gfx::BufferFormat::RGBA_4444:
 100       DCHECK_EQ(plane, 0);
 101       return width * 2;
 102     case gfx::BufferFormat::RGBA_8888:
 103     case gfx::BufferFormat::BGRA_8888:
 104       DCHECK_EQ(plane, 0);
 105       return width * 4;
 106     case gfx::BufferFormat::RGBX_8888:
 107       NOTREACHED();
 108       return 0;
 109     case gfx::BufferFormat::YUV_420:
 110       return width / SubsamplingFactor(format, plane);
 111   }
 112
 113   NOTREACHED();
 114   return 0;
 115 }
 116
 117 size_t BufferSizeInBytes(const gfx::Size& size, gfx::BufferFormat format) {
 118   size_t size_in_bytes = 0;
 119   size_t num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format);
 120   for (size_t i = 0; i < num_planes; ++i) {
 121     size_in_bytes += StrideInBytes(size.width(), format, i) *
 122                      (size.height() / SubsamplingFactor(format, i));
 123   }
 124   return size_in_bytes;
 125 }
 126
 127 class GpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
 128  public:
 129   GpuMemoryBufferImpl(base::RefCountedBytes* bytes,
 130                       const gfx::Size& size,
 131                       gfx::BufferFormat format)
 132       : bytes_(bytes), size_(size), format_(format), mapped_(false) {}
 133
 134   static GpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer) {
 135     return reinterpret_cast<GpuMemoryBufferImpl*>(buffer);
 136   }
 137
 138   // Overridden from gfx::GpuMemoryBuffer:
 139   bool Map(void** data) override {
 140     size_t offset = 0;
 141     size_t num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format_);
 142     for (size_t i = 0; i < num_planes; ++i) {
 143       data[i] = reinterpret_cast<uint8*>(&bytes_->data().front()) + offset;
 144       offset += StrideInBytes(size_.width(), format_, i) *
 145                 (size_.height() / SubsamplingFactor(format_, i));
 146     }
 147     mapped_ = true;
 148     return true;
 149   }
 150   void Unmap() override { mapped_ = false; }
 151   bool IsMapped() const override { return mapped_; }
 152   gfx::BufferFormat GetFormat() const override { return format_; }
 153   void GetStride(int* stride) const override {
 154     size_t num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format_);
 155     for (size_t i = 0; i < num_planes; ++i)
 156       stride[i] = StrideInBytes(size_.width(), format_, i);
 157   }
 158   gfx::GpuMemoryBufferId GetId() const override {
 159     NOTREACHED();
 160     return 0;
 161   }
 162   gfx::GpuMemoryBufferHandle GetHandle() const override {
 163     NOTREACHED();
 164     return gfx::GpuMemoryBufferHandle();
 165   }
 166   ClientBuffer AsClientBuffer() override {
 167     return reinterpret_cast<ClientBuffer>(this);
 168   }
 169
 170   base::RefCountedBytes* bytes() { return bytes_.get(); }
 171
 172  private:
 173   scoped_refptr<base::RefCountedBytes> bytes_;
 174   const gfx::Size size_;
 175   gfx::BufferFormat format_;
 176   bool mapped_;
 177 };
 178
 179 }  // namespace
 180
 181 int GLManager::use_count_;
 182 scoped_refptr<gfx::GLShareGroup>* GLManager::base_share_group_;
 183 scoped_refptr<gfx::GLSurface>* GLManager::base_surface_;
 184 scoped_refptr<gfx::GLContext>* GLManager::base_context_;
 185
 186 GLManager::Options::Options()
 187     : size(4, 4),
 188       share_group_manager(NULL),
 189       share_mailbox_manager(NULL),
 190       virtual_manager(NULL),
 191       bind_generates_resource(false),
 192       lose_context_when_out_of_memory(false),
 193       context_lost_allowed(false),
 194       webgl_version(0) {
 195 }
 196
 197 GLManager::GLManager() : context_lost_allowed_(false) {
 198   SetupBaseContext();
 199 }
 200
 201 GLManager::~GLManager() {
 202   --use_count_;
 203   if (!use_count_) {
 204     if (base_share_group_) {
 205       delete base_context_;
 206       base_context_ = NULL;
 207     }
 208     if (base_surface_) {
 209       delete base_surface_;
 210       base_surface_ = NULL;
 211     }
 212     if (base_context_) {
 213       delete base_context_;
 214       base_context_ = NULL;
 215     }
 216   }
 217 }
 218
 219 // static
 220 scoped_ptr<gfx::GpuMemoryBuffer> GLManager::CreateGpuMemoryBuffer(
 221     const gfx::Size& size,
 222     gfx::BufferFormat format) {
 223   std::vector<unsigned char> data(BufferSizeInBytes(size, format), 0);
 224   scoped_refptr<base::RefCountedBytes> bytes(new base::RefCountedBytes(data));
 225   return make_scoped_ptr<gfx::GpuMemoryBuffer>(
 226       new GpuMemoryBufferImpl(bytes.get(), size, format));
 227 }
 228
 229 void GLManager::Initialize(const GLManager::Options& options) {
 230   InitializeWithCommandLine(options, nullptr);
 231 }
 232 void GLManager::InitializeWithCommandLine(const GLManager::Options& options,
 233                                           base::CommandLine* command_line) {
 234   const int32 kCommandBufferSize = 1024 * 1024;
 235   const size_t kStartTransferBufferSize = 4 * 1024 * 1024;
 236   const size_t kMinTransferBufferSize = 1 * 256 * 1024;
 237   const size_t kMaxTransferBufferSize = 16 * 1024 * 1024;
 238
 239   context_lost_allowed_ = options.context_lost_allowed;
 240
 241   gles2::MailboxManager* mailbox_manager = NULL;
 242   if (options.share_mailbox_manager) {
 243     mailbox_manager = options.share_mailbox_manager->mailbox_manager();
 244   } else if (options.share_group_manager) {
 245     mailbox_manager = options.share_group_manager->mailbox_manager();
 246   }
 247
 248   gfx::GLShareGroup* share_group = NULL;
 249   if (options.share_group_manager) {
 250     share_group = options.share_group_manager->share_group();
 251   } else if (options.share_mailbox_manager) {
 252     share_group = options.share_mailbox_manager->share_group();
 253   }
 254
 255   gles2::ContextGroup* context_group = NULL;
 256   gles2::ShareGroup* client_share_group = NULL;
 257   if (options.share_group_manager) {
 258     context_group = options.share_group_manager->decoder_->GetContextGroup();
 259     client_share_group =
 260       options.share_group_manager->gles2_implementation()->share_group();
 261   }
 262
 263   gfx::GLContext* real_gl_context = NULL;
 264   if (options.virtual_manager) {
 265     real_gl_context = options.virtual_manager->context();
 266   }
 267
 268   mailbox_manager_ =
 269       mailbox_manager ? mailbox_manager : new gles2::MailboxManagerImpl;
 270   share_group_ =
 271       share_group ? share_group : new gfx::GLShareGroup;
 272
 273   gfx::GpuPreference gpu_preference(gfx::PreferDiscreteGpu);
 274   std::vector<int32> attribs;
 275   gles2::ContextCreationAttribHelper attrib_helper;
 276   attrib_helper.red_size = 8;
 277   attrib_helper.green_size = 8;
 278   attrib_helper.blue_size = 8;
 279   attrib_helper.alpha_size = 8;
 280   attrib_helper.depth_size = 16;
 281   attrib_helper.stencil_size = 8;
 282   attrib_helper.webgl_version = options.webgl_version;
 283   attrib_helper.Serialize(&attribs);
 284
 285   DCHECK(!command_line || !context_group);
 286   if (!context_group) {
 287     scoped_refptr<gles2::FeatureInfo> feature_info;
 288     if (command_line)
 289       feature_info = new gles2::FeatureInfo(*command_line);
 290     context_group =
 291         new gles2::ContextGroup(mailbox_manager_.get(),
 292                                 NULL,
 293                                 new gpu::gles2::ShaderTranslatorCache,
 294                                 feature_info,
 295                                 NULL,
 296                                 NULL,
 297                                 options.bind_generates_resource);
 298   }
 299
 300   decoder_.reset(::gpu::gles2::GLES2Decoder::Create(context_group));
 301
 302   command_buffer_.reset(new CommandBufferService(
 303       decoder_->GetContextGroup()->transfer_buffer_manager()));
 304   ASSERT_TRUE(command_buffer_->Initialize())
 305       << "could not create command buffer service";
 306
 307   gpu_scheduler_.reset(new GpuScheduler(command_buffer_.get(),
 308                                         decoder_.get(),
 309                                         decoder_.get()));
 310
 311   decoder_->set_engine(gpu_scheduler_.get());
 312
 313   surface_ = gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size());
 314   ASSERT_TRUE(surface_.get() != NULL) << "could not create offscreen surface";
 315
 316   if (base_context_) {
 317     context_ = scoped_refptr<gfx::GLContext>(new gpu::GLContextVirtual(
 318         share_group_.get(), base_context_->get(), decoder_->AsWeakPtr()));
 319     ASSERT_TRUE(context_->Initialize(
 320         surface_.get(), gfx::PreferIntegratedGpu));
 321   } else {
 322     if (real_gl_context) {
 323       context_ = scoped_refptr<gfx::GLContext>(new gpu::GLContextVirtual(
 324           share_group_.get(), real_gl_context, decoder_->AsWeakPtr()));
 325       ASSERT_TRUE(context_->Initialize(
 326           surface_.get(), gfx::PreferIntegratedGpu));
 327     } else {
 328       context_ = gfx::GLContext::CreateGLContext(share_group_.get(),
 329                                                  surface_.get(),
 330                                                  gpu_preference);
 331     }
 332   }
 333   ASSERT_TRUE(context_.get() != NULL) << "could not create GL context";
 334
 335   ASSERT_TRUE(context_->MakeCurrent(surface_.get()));
 336
 337   ASSERT_TRUE(decoder_->Initialize(
 338       surface_.get(),
 339       context_.get(),
 340       true,
 341       options.size,
 342       ::gpu::gles2::DisallowedFeatures(),
 343       attribs)) << "could not initialize decoder";
 344
 345   command_buffer_->SetPutOffsetChangeCallback(
 346       base::Bind(&GLManager::PumpCommands, base::Unretained(this)));
 347   command_buffer_->SetGetBufferChangeCallback(
 348       base::Bind(&GLManager::GetBufferChanged, base::Unretained(this)));
 349
 350   // Create the GLES2 helper, which writes the command buffer protocol.
 351   gles2_helper_.reset(new gles2::GLES2CmdHelper(command_buffer_.get()));
 352   ASSERT_TRUE(gles2_helper_->Initialize(kCommandBufferSize));
 353
 354   // Create a transfer buffer.
 355   transfer_buffer_.reset(new TransferBuffer(gles2_helper_.get()));
 356
 357   // Create the object exposing the OpenGL API.
 358   const bool support_client_side_arrays = true;
 359   gles2_implementation_.reset(
 360       new gles2::GLES2Implementation(gles2_helper_.get(),
 361                                      client_share_group,
 362                                      transfer_buffer_.get(),
 363                                      options.bind_generates_resource,
 364                                      options.lose_context_when_out_of_memory,
 365                                      support_client_side_arrays,
 366                                      this));
 367
 368   ASSERT_TRUE(gles2_implementation_->Initialize(
 369       kStartTransferBufferSize,
 370       kMinTransferBufferSize,
 371       kMaxTransferBufferSize,
 372       gpu::gles2::GLES2Implementation::kNoLimit))
 373           << "Could not init GLES2Implementation";
 374
 375   MakeCurrent();
 376 }
 377
 378 void GLManager::SetupBaseContext() {
 379   if (use_count_) {
 380     #if defined(OS_ANDROID)
 381       base_share_group_ = new scoped_refptr<gfx::GLShareGroup>(
 382           new gfx::GLShareGroup);
 383       gfx::Size size(4, 4);
 384       base_surface_ = new scoped_refptr<gfx::GLSurface>(
 385           gfx::GLSurface::CreateOffscreenGLSurface(size));
 386       gfx::GpuPreference gpu_preference(gfx::PreferDiscreteGpu);
 387       base_context_ = new scoped_refptr<gfx::GLContext>(
 388           gfx::GLContext::CreateGLContext(base_share_group_->get(),
 389                                           base_surface_->get(),
 390                                           gpu_preference));
 391     #endif
 392   }
 393   ++use_count_;
 394 }
 395
 396 void GLManager::MakeCurrent() {
 397   ::gles2::SetGLContext(gles2_implementation_.get());
 398 }
 399
 400 void GLManager::SetSurface(gfx::GLSurface* surface) {
 401   decoder_->SetSurface(surface);
 402 }
 403
 404 void GLManager::Destroy() {
 405   if (gles2_implementation_.get()) {
 406     MakeCurrent();
 407     EXPECT_TRUE(glGetError() == GL_NONE);
 408     gles2_implementation_->Flush();
 409     gles2_implementation_.reset();
 410   }
 411   transfer_buffer_.reset();
 412   gles2_helper_.reset();
 413   command_buffer_.reset();
 414   if (decoder_.get()) {
 415     bool have_context = decoder_->GetGLContext()->MakeCurrent(surface_.get());
 416     decoder_->Destroy(have_context);
 417     decoder_.reset();
 418   }
 419 }
 420
 421 const gpu::gles2::FeatureInfo::Workarounds& GLManager::workarounds() const {
 422   return decoder_->GetContextGroup()->feature_info()->workarounds();
 423 }
 424
 425 void GLManager::PumpCommands() {
 426   if (!decoder_->MakeCurrent()) {
 427     command_buffer_->SetContextLostReason(decoder_->GetContextLostReason());
 428     command_buffer_->SetParseError(::gpu::error::kLostContext);
 429     return;
 430   }
 431   gpu_scheduler_->PutChanged();
 432   ::gpu::CommandBuffer::State state = command_buffer_->GetLastState();
 433   if (!context_lost_allowed_) {
 434     ASSERT_EQ(::gpu::error::kNoError, state.error);
 435   }
 436 }
 437
 438 bool GLManager::GetBufferChanged(int32 transfer_buffer_id) {
 439   return gpu_scheduler_->SetGetBuffer(transfer_buffer_id);
 440 }
 441
 442 Capabilities GLManager::GetCapabilities() {
 443   return decoder_->GetCapabilities();
 444 }
 445
 446 int32 GLManager::CreateImage(ClientBuffer buffer,
 447                              size_t width,
 448                              size_t height,
 449                              unsigned internalformat) {
 450   GpuMemoryBufferImpl* gpu_memory_buffer =
 451       GpuMemoryBufferImpl::FromClientBuffer(buffer);
 452
 453   scoped_refptr<gfx::GLImageRefCountedMemory> image(
 454       new gfx::GLImageRefCountedMemory(gfx::Size(width, height),
 455                                        internalformat));
 456   if (!image->Initialize(gpu_memory_buffer->bytes(),
 457                          gpu_memory_buffer->GetFormat())) {
 458     return -1;
 459   }
 460
 461   static int32 next_id = 1;
 462   int32 new_id = next_id++;
 463
 464   gpu::gles2::ImageManager* image_manager = decoder_->GetImageManager();
 465   DCHECK(image_manager);
 466   image_manager->AddImage(image.get(), new_id);
 467   return new_id;
 468 }
 469
 470 int32 GLManager::CreateGpuMemoryBufferImage(size_t width,
 471                                             size_t height,
 472                                             unsigned internalformat,
 473                                             unsigned usage) {
 474   DCHECK_EQ(usage, static_cast<unsigned>(GL_MAP_CHROMIUM));
 475   scoped_ptr<gfx::GpuMemoryBuffer> buffer = GLManager::CreateGpuMemoryBuffer(
 476       gfx::Size(width, height), gfx::BufferFormat::RGBA_8888);
 477   return CreateImage(buffer->AsClientBuffer(), width, height, internalformat);
 478 }
 479
 480 void GLManager::DestroyImage(int32 id) {
 481   gpu::gles2::ImageManager* image_manager = decoder_->GetImageManager();
 482   DCHECK(image_manager);
 483   image_manager->RemoveImage(id);
 484 }
 485
 486 uint32 GLManager::InsertSyncPoint() {
 487   NOTIMPLEMENTED();
 488   return 0u;
 489 }
 490
 491 uint32 GLManager::InsertFutureSyncPoint() {
 492   NOTIMPLEMENTED();
 493   return 0u;
 494 }
 495
 496 void GLManager::RetireSyncPoint(uint32 sync_point) {
 497   NOTIMPLEMENTED();
 498 }
 499
 500 void GLManager::SignalSyncPoint(uint32 sync_point,
 501                                 const base::Closure& callback) {
 502   NOTIMPLEMENTED();
 503 }
 504
 505 void GLManager::SignalQuery(uint32 query, const base::Closure& callback) {
 506   NOTIMPLEMENTED();
 507 }
 508
 509 void GLManager::SetSurfaceVisible(bool visible) {
 510   NOTIMPLEMENTED();
 511 }
 512
 513 uint32 GLManager::CreateStreamTexture(uint32 texture_id) {
 514   NOTIMPLEMENTED();
 515   return 0;
 516 }
 517
 518 void GLManager::SetLock(base::Lock*) {
 519   NOTIMPLEMENTED();
 520 }
 521
 522 bool GLManager::IsGpuChannelLost() {
 523   NOTIMPLEMENTED();
 524   return false;
 525 }
 526
 527 }  // namespace gpu