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// 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.Chromium file.

#include "chromium_gpu_helper.h"

// Including gpu/command_buffer headers before content/gpu headers makes sure that
// guards are defined to prevent duplicate definition errors with forward declared
// GL typedefs cascading through content header includes.
#include "gpu/command_buffer/service/sync_point_manager.h"
#include "gpu/command_buffer/service/mailbox_manager.h"
#include "gpu/command_buffer/service/texture_manager.h"

#include "content/gpu/gpu_child_thread.h"
#include "gpu/ipc/service/gpu_channel_manager.h"

#ifdef Q_OS_QNX
#include "content/common/gpu/stream_texture_qnx.h"
#endif

// FIXME: Try using content::GpuChildThread::current()
base::MessageLoop *gpu_message_loop()
{
    return content::GpuChildThread::instance()->message_loop();
}

gpu::SyncPointManager *sync_point_manager()
{
    gpu::GpuChannelManager *gpuChannelManager = content::GpuChildThread::instance()->ChannelManager();
    return gpuChannelManager->sync_point_manager();
}

gpu::gles2::MailboxManager *mailbox_manager()
{
    gpu::GpuChannelManager *gpuChannelManager = content::GpuChildThread::instance()->ChannelManager();
    return gpuChannelManager->mailbox_manager();
}

gpu::gles2::TextureBase* ConsumeTexture(gpu::gles2::MailboxManager *mailboxManager, unsigned target, const gpu::Mailbox& mailbox)
{
    Q_UNUSED(target);
    return mailboxManager->ConsumeTexture(mailbox);
}

unsigned int service_id(gpu::gles2::TextureBase *tex)
{
    return tex->service_id();
}

#ifdef Q_OS_QNX
EGLStreamData eglstream_connect_consumer(gpu::gles2::Texture *tex)
{
    EGLStreamData egl_stream;
    content::StreamTexture* image = static_cast<content::StreamTexture *>(tex->GetLevelImage(GL_TEXTURE_EXTERNAL_OES, 0));
    if (image) {
        image->ConnectConsumerIfNeeded(&egl_stream.egl_display, &egl_stream.egl_str_handle);
    }
    return egl_stream;
}
#endif
