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#ifndef CHROMIUM_GPU_HELPER_H
#define CHROMIUM_GPU_HELPER_H

#include <QtGlobal> // We need this for the Q_OS_QNX define.
#include <QMap>

#include "base/callback.h"
#include "ui/gl/gl_fence.h"

namespace base {
class MessageLoop;
}

namespace content {
class SyncPointManager;
}

namespace gpu {
struct Mailbox;
namespace gles2 {
class MailboxManager;
class Texture;
}
}

// These functions wrap code that needs to include headers that are
// incompatible with Qt GL headers.
// From the outside, types from incompatible headers referenced in these
// functions should only be forward-declared and considered as opaque types.

QMap<uint32, gfx::TransferableFence> transferFences();
base::MessageLoop *gpu_message_loop();
content::SyncPointManager *sync_point_manager();
gpu::gles2::MailboxManager *mailbox_manager();

void AddSyncPointCallbackOnGpuThread(base::MessageLoop *gpuMessageLoop, content::SyncPointManager *syncPointManager, uint32 sync_point, const base::Closure& callback);
gpu::gles2::Texture* ConsumeTexture(gpu::gles2::MailboxManager *mailboxManager, unsigned target, const gpu::Mailbox& mailbox);
unsigned int service_id(gpu::gles2::Texture *tex);

#ifdef Q_OS_QNX
typedef void* EGLDisplay;
typedef void* EGLStreamKHR;

struct EGLStreamData {
    EGLDisplay egl_display;
    EGLStreamKHR egl_str_handle;

    EGLStreamData(): egl_display(NULL), egl_str_handle(NULL) {}
};

EGLStreamData eglstream_connect_consumer(gpu::gles2::Texture *tex);
#endif

#endif // CHROMIUM_GPU_HELPER_H