qt-everywhere-src-5.14.1/qtwebengine/src/core/compositor/chromium_gpu_helper.h

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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 "base/memory/scoped_refptr.h"

namespace base {
class SingleThreadTaskRunner;
class TimeTicks;
}

namespace content {
class RenderWidgetHost;
}

namespace gpu {
struct Mailbox;
class MailboxManager;
class TextureBase;
}

// 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.

scoped_refptr<base::SingleThreadTaskRunner> gpu_task_runner();
gpu::MailboxManager *mailbox_manager();

gpu::TextureBase* ConsumeTexture(gpu::MailboxManager *mailboxManager, unsigned target, const gpu::Mailbox& mailbox);
unsigned int service_id(gpu::TextureBase *tex);

void ProgressFlingIfNeeded(content::RenderWidgetHost *host, const base::TimeTicks &current_time);

#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::Texture *tex);
#endif

#endif // CHROMIUM_GPU_HELPER_H