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