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Viewing changes to src/server/graphics/gbm/gbm_display_buffer.h

  • 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/server/graphics/gbm/gbm_display_buffer.h
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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 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 General Public License for more details.
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 *
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 * You should have received a copy of the GNU 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: Alexandros Frantzis <alexandros.frantzis@canonical.com>
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 */
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#ifndef MIR_GRAPHICS_GBM_GBM_DISPLAY_BUFFER_H_
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#define MIR_GRAPHICS_GBM_GBM_DISPLAY_BUFFER_H_
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#include "mir/graphics/display_buffer.h"
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#include "gbm_display_helpers.h"
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#include <vector>
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#include <memory>
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#include <atomic>
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namespace mir
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{
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namespace graphics
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{
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class DisplayReport;
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namespace gbm
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{
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class GBMPlatform;
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class BufferObject;
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class KMSOutput;
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class GBMDisplayBuffer : public DisplayBuffer
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{
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public:
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    GBMDisplayBuffer(std::shared_ptr<GBMPlatform> const& platform,
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                     std::shared_ptr<DisplayReport> const& listener,
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                     std::vector<std::shared_ptr<KMSOutput>> const& outputs,
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                     GBMSurfaceUPtr surface_gbm,
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                     geometry::Rectangle const& area,
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                     EGLContext shared_context);
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    ~GBMDisplayBuffer();
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    geometry::Rectangle view_area() const;
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    void make_current();
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    void release_current();
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    void post_update();
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    bool can_bypass() const override;
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    void post_update(std::shared_ptr<graphics::Buffer> bypass_buf) override;
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    void schedule_set_crtc();
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private:
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    BufferObject* get_front_buffer_object();
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    BufferObject* get_buffer_object(struct gbm_bo *bo);
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    bool schedule_and_wait_for_page_flip(BufferObject* bufobj);
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    BufferObject* last_flipped_bufobj;
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    std::shared_ptr<graphics::Buffer> last_flipped_bypass_buf;
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    std::shared_ptr<GBMPlatform> const platform;
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    std::shared_ptr<DisplayReport> const listener;
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    /* DRM helper from GBMPlatform */
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    helpers::DRMHelper& drm;
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    std::vector<std::shared_ptr<KMSOutput>> outputs;
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    GBMSurfaceUPtr surface_gbm;
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    helpers::EGLHelper egl;
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    geometry::Rectangle area;
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    std::atomic<bool> needs_set_crtc;
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};
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}
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}
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}
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#endif /* MIR_GRAPHICS_GBM_GBM_DISPLAY_BUFFER_H_ */