blob: 03ed6a186bd120ce14a29d94683c36520cbef216 [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 "base/containers/scoped_ptr_hash_map.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "gpu/command_buffer/client/gpu_control.h"
#include "gpu/command_buffer/service/feature_info.h"
#include "ui/gfx/gpu_memory_buffer.h"
#include "ui/gfx/size.h"
namespace gfx {
class GLContext;
class GLShareGroup;
class GLSurface;
namespace gpu {
class CommandBufferService;
class GpuScheduler;
class TransferBuffer;
namespace gles2 {
class ContextGroup;
class MailboxManager;
class GLES2Decoder;
class GLES2CmdHelper;
class GLES2Implementation;
class ImageManager;
class ShareGroup;
class GLManager : private GpuControl {
struct Options {
// The size of the backbuffer.
gfx::Size size;
// If not null will share resources with this context.
GLManager* share_group_manager;
// If not null will share a mailbox manager with this context.
GLManager* share_mailbox_manager;
// If not null will create a virtual manager based on this context.
GLManager* virtual_manager;
// Whether or not glBindXXX generates a resource.
bool bind_generates_resource;
// Whether or not the context is auto-lost when GL_OUT_OF_MEMORY occurs.
bool lose_context_when_out_of_memory;
// Whether or not it's ok to lose the context.
bool context_lost_allowed;
~GLManager() override;
static scoped_ptr<gfx::GpuMemoryBuffer> CreateGpuMemoryBuffer(
const gfx::Size& size,
gfx::GpuMemoryBuffer::Format format);
void Initialize(const Options& options);
void Destroy();
void MakeCurrent();
void SetSurface(gfx::GLSurface* surface);
gles2::GLES2Decoder* decoder() const {
return decoder_.get();
gles2::MailboxManager* mailbox_manager() const {
return mailbox_manager_.get();
gfx::GLShareGroup* share_group() const {
return share_group_.get();
gles2::GLES2Implementation* gles2_implementation() const {
return gles2_implementation_.get();
gfx::GLContext* context() {
return context_.get();
const gpu::gles2::FeatureInfo::Workarounds& workarounds() const;
// GpuControl implementation.
Capabilities GetCapabilities() override;
int32 CreateImage(ClientBuffer buffer,
size_t width,
size_t height,
unsigned internalformat) override;
void DestroyImage(int32 id) override;
int32 CreateGpuMemoryBufferImage(size_t width,
size_t height,
unsigned internalformat,
unsigned usage) override;
uint32 InsertSyncPoint() override;
uint32 InsertFutureSyncPoint() override;
void RetireSyncPoint(uint32 sync_point) override;
void SignalSyncPoint(uint32 sync_point,
const base::Closure& callback) override;
void SignalQuery(uint32 query, const base::Closure& callback) override;
void SetSurfaceVisible(bool visible) override;
uint32 CreateStreamTexture(uint32 texture_id) override;
void PumpCommands();
bool GetBufferChanged(int32 transfer_buffer_id);
void SetupBaseContext();
scoped_refptr<gles2::MailboxManager> mailbox_manager_;
scoped_refptr<gfx::GLShareGroup> share_group_;
scoped_ptr<CommandBufferService> command_buffer_;
scoped_ptr<gles2::GLES2Decoder> decoder_;
scoped_ptr<GpuScheduler> gpu_scheduler_;
scoped_refptr<gfx::GLSurface> surface_;
scoped_refptr<gfx::GLContext> context_;
scoped_ptr<gles2::GLES2CmdHelper> gles2_helper_;
scoped_ptr<TransferBuffer> transfer_buffer_;
scoped_ptr<gles2::GLES2Implementation> gles2_implementation_;
bool context_lost_allowed_;
// Used on Android to virtualize GL for all contexts.
static int use_count_;
static scoped_refptr<gfx::GLShareGroup>* base_share_group_;
static scoped_refptr<gfx::GLSurface>* base_surface_;
static scoped_refptr<gfx::GLContext>* base_context_;
} // namespace gpu