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Viewing changes to src/client/gbm/gbm_native_surface.cpp

  • Committer: Package Import Robot
  • Author(s): Ubuntu daily release
  • Date: 2014-01-08 02:04:38 UTC
  • mto: This revision was merged to the branch mainline in revision 58.
  • Revision ID: package-import@ubuntu.com-20140108020438-e1npu0pm7qdv5wc4
Tags: upstream-0.1.3+14.04.20140108
Import upstream version 0.1.3+14.04.20140108

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src/client/gbm/gbm_native_surface.cpp
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/*
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 * Copyright © 2013 Canonical Ltd.
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 *
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 * This program is free software: you can redistribute it and/or modify it
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 * under the terms of the GNU Lesser General Public License version 3,
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 * as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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 * Authored by: Kevin DuBois <kevin.dubois@canonical.com>
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 */
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#include <cstring>
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#include "../client_buffer.h"
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#include "gbm_native_surface.h"
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namespace mclg=mir::client::gbm;
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namespace
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{
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static int advance_buffer_static(MirMesaEGLNativeSurface* surface,
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                                  MirBufferPackage* buffer_package)
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{
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    auto s = static_cast<mclg::GBMNativeSurface*>(surface);
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    return s->advance_buffer(buffer_package);
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}
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static int get_parameters_static(MirMesaEGLNativeSurface* surface,
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                                  MirSurfaceParameters* surface_parameters)
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{
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    auto s = static_cast<mclg::GBMNativeSurface*>(surface);
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    return s->get_parameters(surface_parameters);
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}
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static int set_swapinterval_static(MirMesaEGLNativeSurface* surface, int interval)
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{
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    auto s = static_cast<mclg::GBMNativeSurface*>(surface);
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    return s->set_swapinterval(interval);
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} 
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static void buffer_advanced_callback(MirSurface*  /* surface */,
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                                     void*  /* context */)
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{
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}
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}
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mclg::GBMNativeSurface::GBMNativeSurface(ClientSurface& surface)
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    : surface(surface)
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{
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    surface_advance_buffer = advance_buffer_static; 
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    surface_get_parameters = get_parameters_static; 
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    surface_set_swapinterval = set_swapinterval_static; 
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}
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int mclg::GBMNativeSurface::advance_buffer(MirBufferPackage* buffer_package)
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{
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    mir_wait_for(surface.next_buffer(buffer_advanced_callback, NULL));
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    auto buffer = surface.get_current_buffer();
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    auto buffer_to_driver = buffer->native_buffer_handle();
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    memcpy(buffer_package, buffer_to_driver.get(), sizeof(MirBufferPackage));
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    return MIR_MESA_TRUE;
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}
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int mclg::GBMNativeSurface::get_parameters(MirSurfaceParameters* surface_parameters)
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{
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    auto params = surface.get_parameters();
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    memcpy(surface_parameters, &params, sizeof(MirSurfaceParameters));
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    return MIR_MESA_TRUE;
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}
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int mclg::GBMNativeSurface::set_swapinterval(int interval)
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{
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    if ((interval < 0) || (interval > 1))
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        return MIR_MESA_FALSE;
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    mir_wait_for(surface.configure(mir_surface_attrib_swapinterval, interval)); 
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    return MIR_MESA_TRUE;
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}