blob: 7c0f4a5b9162ae594a282d79b4d262751de7347c [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/tests/gl_manager.h"
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <GLES2/gl2extchromium.h>
#include <vector>
#include "base/at_exit.h"
#include "base/bind.h"
#include "base/memory/ref_counted_memory.h"
#include "gpu/command_buffer/client/gles2_implementation.h"
#include "gpu/command_buffer/client/gles2_lib.h"
#include "gpu/command_buffer/client/transfer_buffer.h"
#include "gpu/command_buffer/common/constants.h"
#include "gpu/command_buffer/common/gles2_cmd_utils.h"
#include "gpu/command_buffer/common/value_state.h"
#include "gpu/command_buffer/service/command_buffer_service.h"
#include "gpu/command_buffer/service/context_group.h"
#include "gpu/command_buffer/service/gl_context_virtual.h"
#include "gpu/command_buffer/service/gles2_cmd_decoder.h"
#include "gpu/command_buffer/service/gpu_scheduler.h"
#include "gpu/command_buffer/service/image_manager.h"
#include "gpu/command_buffer/service/mailbox_manager_impl.h"
#include "gpu/command_buffer/service/memory_tracking.h"
#include "gpu/command_buffer/service/valuebuffer_manager.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/gpu_memory_buffer.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_image_ref_counted_memory.h"
#include "ui/gl/gl_share_group.h"
#include "ui/gl/gl_surface.h"
namespace gpu {
namespace {
size_t StrideInBytes(size_t width, gfx::GpuMemoryBuffer::Format format) {
switch (format) {
case gfx::GpuMemoryBuffer::ATCIA:
case gfx::GpuMemoryBuffer::DXT5:
return width;
case gfx::GpuMemoryBuffer::ATC:
case gfx::GpuMemoryBuffer::DXT1:
case gfx::GpuMemoryBuffer::ETC1:
DCHECK_EQ(width % 2, 0U);
return width / 2;
case gfx::GpuMemoryBuffer::RGBA_8888:
case gfx::GpuMemoryBuffer::BGRA_8888:
return width * 4;
case gfx::GpuMemoryBuffer::RGBX_8888:
NOTREACHED();
return 0;
}
NOTREACHED();
return 0;
}
class GpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
public:
GpuMemoryBufferImpl(base::RefCountedBytes* bytes,
const gfx::Size& size,
gfx::GpuMemoryBuffer::Format format)
: bytes_(bytes), size_(size), format_(format), mapped_(false) {}
static GpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer) {
return reinterpret_cast<GpuMemoryBufferImpl*>(buffer);
}
// Overridden from gfx::GpuMemoryBuffer:
bool Map(void** data) override {
mapped_ = true;
*data = &bytes_->data().front();
return true;
}
void Unmap() override { mapped_ = false; }
bool IsMapped() const override { return mapped_; }
Format GetFormat() const override { return format_; }
void GetStride(uint32* stride) const override {
*stride = StrideInBytes(size_.width(), format_);
}
gfx::GpuMemoryBufferHandle GetHandle() const override {
NOTREACHED();
return gfx::GpuMemoryBufferHandle();
}
ClientBuffer AsClientBuffer() override {
return reinterpret_cast<ClientBuffer>(this);
}
base::RefCountedBytes* bytes() { return bytes_.get(); }
private:
scoped_refptr<base::RefCountedBytes> bytes_;
const gfx::Size size_;
gfx::GpuMemoryBuffer::Format format_;
bool mapped_;
};
} // namespace
int GLManager::use_count_;
scoped_refptr<gfx::GLShareGroup>* GLManager::base_share_group_;
scoped_refptr<gfx::GLSurface>* GLManager::base_surface_;
scoped_refptr<gfx::GLContext>* GLManager::base_context_;
GLManager::Options::Options()
: size(4, 4),
share_group_manager(NULL),
share_mailbox_manager(NULL),
virtual_manager(NULL),
bind_generates_resource(false),
lose_context_when_out_of_memory(false),
context_lost_allowed(false) {
}
GLManager::GLManager() : context_lost_allowed_(false) {
SetupBaseContext();
}
GLManager::~GLManager() {
--use_count_;
if (!use_count_) {
if (base_share_group_) {
delete base_context_;
base_context_ = NULL;
}
if (base_surface_) {
delete base_surface_;
base_surface_ = NULL;
}
if (base_context_) {
delete base_context_;
base_context_ = NULL;
}
}
}
// static
scoped_ptr<gfx::GpuMemoryBuffer> GLManager::CreateGpuMemoryBuffer(
const gfx::Size& size,
gfx::GpuMemoryBuffer::Format format) {
std::vector<unsigned char> data(
StrideInBytes(size.width(), format) * size.height(), 0);
scoped_refptr<base::RefCountedBytes> bytes(new base::RefCountedBytes(data));
return make_scoped_ptr<gfx::GpuMemoryBuffer>(
new GpuMemoryBufferImpl(bytes.get(), size, format));
}
void GLManager::Initialize(const GLManager::Options& options) {
InitializeWithCommandLine(options, nullptr);
}
void GLManager::InitializeWithCommandLine(const GLManager::Options& options,
base::CommandLine* command_line) {
const int32 kCommandBufferSize = 1024 * 1024;
const size_t kStartTransferBufferSize = 4 * 1024 * 1024;
const size_t kMinTransferBufferSize = 1 * 256 * 1024;
const size_t kMaxTransferBufferSize = 16 * 1024 * 1024;
context_lost_allowed_ = options.context_lost_allowed;
gles2::MailboxManager* mailbox_manager = NULL;
if (options.share_mailbox_manager) {
mailbox_manager = options.share_mailbox_manager->mailbox_manager();
} else if (options.share_group_manager) {
mailbox_manager = options.share_group_manager->mailbox_manager();
}
gfx::GLShareGroup* share_group = NULL;
if (options.share_group_manager) {
share_group = options.share_group_manager->share_group();
} else if (options.share_mailbox_manager) {
share_group = options.share_mailbox_manager->share_group();
}
gles2::ContextGroup* context_group = NULL;
gles2::ShareGroup* client_share_group = NULL;
if (options.share_group_manager) {
context_group = options.share_group_manager->decoder_->GetContextGroup();
client_share_group =
options.share_group_manager->gles2_implementation()->share_group();
}
gfx::GLContext* real_gl_context = NULL;
if (options.virtual_manager) {
real_gl_context = options.virtual_manager->context();
}
mailbox_manager_ =
mailbox_manager ? mailbox_manager : new gles2::MailboxManagerImpl;
share_group_ =
share_group ? share_group : new gfx::GLShareGroup;
gfx::GpuPreference gpu_preference(gfx::PreferDiscreteGpu);
std::vector<int32> attribs;
gles2::ContextCreationAttribHelper attrib_helper;
attrib_helper.red_size = 8;
attrib_helper.green_size = 8;
attrib_helper.blue_size = 8;
attrib_helper.alpha_size = 8;
attrib_helper.depth_size = 16;
attrib_helper.stencil_size = 8;
attrib_helper.Serialize(&attribs);
DCHECK(!command_line || !context_group);
if (!context_group) {
scoped_refptr<gles2::FeatureInfo> feature_info;
if (command_line)
feature_info = new gles2::FeatureInfo(*command_line);
context_group =
new gles2::ContextGroup(mailbox_manager_.get(),
NULL,
new gpu::gles2::ShaderTranslatorCache,
feature_info,
NULL,
NULL,
options.bind_generates_resource);
}
decoder_.reset(::gpu::gles2::GLES2Decoder::Create(context_group));
command_buffer_.reset(new CommandBufferService(
decoder_->GetContextGroup()->transfer_buffer_manager()));
ASSERT_TRUE(command_buffer_->Initialize())
<< "could not create command buffer service";
gpu_scheduler_.reset(new GpuScheduler(command_buffer_.get(),
decoder_.get(),
decoder_.get()));
decoder_->set_engine(gpu_scheduler_.get());
surface_ = gfx::GLSurface::CreateOffscreenGLSurface(options.size);
ASSERT_TRUE(surface_.get() != NULL) << "could not create offscreen surface";
if (base_context_) {
context_ = scoped_refptr<gfx::GLContext>(new gpu::GLContextVirtual(
share_group_.get(), base_context_->get(), decoder_->AsWeakPtr()));
ASSERT_TRUE(context_->Initialize(
surface_.get(), gfx::PreferIntegratedGpu));
} else {
if (real_gl_context) {
context_ = scoped_refptr<gfx::GLContext>(new gpu::GLContextVirtual(
share_group_.get(), real_gl_context, decoder_->AsWeakPtr()));
ASSERT_TRUE(context_->Initialize(
surface_.get(), gfx::PreferIntegratedGpu));
} else {
context_ = gfx::GLContext::CreateGLContext(share_group_.get(),
surface_.get(),
gpu_preference);
}
}
ASSERT_TRUE(context_.get() != NULL) << "could not create GL context";
ASSERT_TRUE(context_->MakeCurrent(surface_.get()));
ASSERT_TRUE(decoder_->Initialize(
surface_.get(),
context_.get(),
true,
options.size,
::gpu::gles2::DisallowedFeatures(),
attribs)) << "could not initialize decoder";
command_buffer_->SetPutOffsetChangeCallback(
base::Bind(&GLManager::PumpCommands, base::Unretained(this)));
command_buffer_->SetGetBufferChangeCallback(
base::Bind(&GLManager::GetBufferChanged, base::Unretained(this)));
// Create the GLES2 helper, which writes the command buffer protocol.
gles2_helper_.reset(new gles2::GLES2CmdHelper(command_buffer_.get()));
ASSERT_TRUE(gles2_helper_->Initialize(kCommandBufferSize));
// Create a transfer buffer.
transfer_buffer_.reset(new TransferBuffer(gles2_helper_.get()));
// Create the object exposing the OpenGL API.
const bool support_client_side_arrays = true;
gles2_implementation_.reset(
new gles2::GLES2Implementation(gles2_helper_.get(),
client_share_group,
transfer_buffer_.get(),
options.bind_generates_resource,
options.lose_context_when_out_of_memory,
support_client_side_arrays,
this));
ASSERT_TRUE(gles2_implementation_->Initialize(
kStartTransferBufferSize,
kMinTransferBufferSize,
kMaxTransferBufferSize,
gpu::gles2::GLES2Implementation::kNoLimit))
<< "Could not init GLES2Implementation";
MakeCurrent();
}
void GLManager::SetupBaseContext() {
if (use_count_) {
#if defined(OS_ANDROID)
base_share_group_ = new scoped_refptr<gfx::GLShareGroup>(
new gfx::GLShareGroup);
gfx::Size size(4, 4);
base_surface_ = new scoped_refptr<gfx::GLSurface>(
gfx::GLSurface::CreateOffscreenGLSurface(size));
gfx::GpuPreference gpu_preference(gfx::PreferDiscreteGpu);
base_context_ = new scoped_refptr<gfx::GLContext>(
gfx::GLContext::CreateGLContext(base_share_group_->get(),
base_surface_->get(),
gpu_preference));
#endif
}
++use_count_;
}
void GLManager::MakeCurrent() {
::gles2::SetGLContext(gles2_implementation_.get());
}
void GLManager::SetSurface(gfx::GLSurface* surface) {
decoder_->SetSurface(surface);
}
void GLManager::Destroy() {
if (gles2_implementation_.get()) {
MakeCurrent();
EXPECT_TRUE(glGetError() == GL_NONE);
gles2_implementation_->Flush();
gles2_implementation_.reset();
}
transfer_buffer_.reset();
gles2_helper_.reset();
command_buffer_.reset();
if (decoder_.get()) {
bool have_context = decoder_->GetGLContext()->MakeCurrent(surface_.get());
decoder_->Destroy(have_context);
decoder_.reset();
}
}
const gpu::gles2::FeatureInfo::Workarounds& GLManager::workarounds() const {
return decoder_->GetContextGroup()->feature_info()->workarounds();
}
void GLManager::PumpCommands() {
if (!decoder_->MakeCurrent()) {
command_buffer_->SetContextLostReason(decoder_->GetContextLostReason());
command_buffer_->SetParseError(::gpu::error::kLostContext);
return;
}
gpu_scheduler_->PutChanged();
::gpu::CommandBuffer::State state = command_buffer_->GetLastState();
if (!context_lost_allowed_) {
ASSERT_EQ(::gpu::error::kNoError, state.error);
}
}
bool GLManager::GetBufferChanged(int32 transfer_buffer_id) {
return gpu_scheduler_->SetGetBuffer(transfer_buffer_id);
}
Capabilities GLManager::GetCapabilities() {
return decoder_->GetCapabilities();
}
int32 GLManager::CreateImage(ClientBuffer buffer,
size_t width,
size_t height,
unsigned internalformat) {
GpuMemoryBufferImpl* gpu_memory_buffer =
GpuMemoryBufferImpl::FromClientBuffer(buffer);
scoped_refptr<gfx::GLImageRefCountedMemory> image(
new gfx::GLImageRefCountedMemory(gfx::Size(width, height),
internalformat));
if (!image->Initialize(gpu_memory_buffer->bytes(),
gpu_memory_buffer->GetFormat())) {
return -1;
}
static int32 next_id = 1;
int32 new_id = next_id++;
gpu::gles2::ImageManager* image_manager = decoder_->GetImageManager();
DCHECK(image_manager);
image_manager->AddImage(image.get(), new_id);
return new_id;
}
int32 GLManager::CreateGpuMemoryBufferImage(size_t width,
size_t height,
unsigned internalformat,
unsigned usage) {
DCHECK_EQ(usage, static_cast<unsigned>(GL_MAP_CHROMIUM));
scoped_ptr<gfx::GpuMemoryBuffer> buffer = GLManager::CreateGpuMemoryBuffer(
gfx::Size(width, height), gfx::GpuMemoryBuffer::RGBA_8888);
return CreateImage(buffer->AsClientBuffer(), width, height, internalformat);
}
void GLManager::DestroyImage(int32 id) {
gpu::gles2::ImageManager* image_manager = decoder_->GetImageManager();
DCHECK(image_manager);
image_manager->RemoveImage(id);
}
uint32 GLManager::InsertSyncPoint() {
NOTIMPLEMENTED();
return 0u;
}
uint32 GLManager::InsertFutureSyncPoint() {
NOTIMPLEMENTED();
return 0u;
}
void GLManager::RetireSyncPoint(uint32 sync_point) {
NOTIMPLEMENTED();
}
void GLManager::SignalSyncPoint(uint32 sync_point,
const base::Closure& callback) {
NOTIMPLEMENTED();
}
void GLManager::SignalQuery(uint32 query, const base::Closure& callback) {
NOTIMPLEMENTED();
}
void GLManager::SetSurfaceVisible(bool visible) {
NOTIMPLEMENTED();
}
uint32 GLManager::CreateStreamTexture(uint32 texture_id) {
NOTIMPLEMENTED();
return 0;
}
void GLManager::SetLock(base::Lock*) {
NOTIMPLEMENTED();
}
} // namespace gpu