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* Copyright © 2013 Canonical Ltd.
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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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* 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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* 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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* Kevin DuBois <kevin.dubois@canonical.com>
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#include "hwc10_device.h"
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#include "hwc_vsync_coordinator.h"
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#include "framebuffer_bundle.h"
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#include "android_format_conversion-inl.h"
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#include "mir/graphics/buffer.h"
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#include "mir/graphics/android/native_buffer.h"
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#include <boost/throw_exception.hpp>
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namespace mg = mir::graphics;
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namespace mga = mir::graphics::android;
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namespace geom = mir::geometry;
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mga::HWC10Device::HWC10Device(std::shared_ptr<hwc_composer_device_1> const& hwc_device,
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std::shared_ptr<framebuffer_device_t> const& fb_device,
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std::shared_ptr<HWCVsyncCoordinator> const& coordinator)
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: HWCCommonDevice(hwc_device, coordinator),
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layer_list({mga::CompositionLayer{HWC_SKIP_LAYER}})
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void mga::HWC10Device::prepare_composition()
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auto display_list = layer_list.native_list();
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if (hwc_device->prepare(hwc_device.get(), 1, &display_list) != 0)
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BOOST_THROW_EXCEPTION(std::runtime_error("error during hwc prepare()"));
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void mga::HWC10Device::gpu_render(EGLDisplay dpy, EGLSurface sur)
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auto display_list = layer_list.native_list();
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display_list->dpy = dpy;
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display_list->sur = sur;
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//set() may affect EGL state by calling eglSwapBuffers.
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//HWC 1.0 is the only version of HWC that can do this.
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if (hwc_device->set(hwc_device.get(), 1, &display_list) != 0)
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BOOST_THROW_EXCEPTION(std::runtime_error("error during hwc set()"));
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void mga::HWC10Device::post(mg::Buffer const& buffer)
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auto lg = lock_unblanked();
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auto native_buffer = buffer.native_buffer_handle();
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native_buffer->wait_for_content();
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if (fb_device->post(fb_device.get(), native_buffer->handle()) != 0)
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BOOST_THROW_EXCEPTION(std::runtime_error("error posting with fb device"));
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coordinator->wait_for_vsync();
added
removed
src/platform/graphics/android/hwc10_device.cpp
