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72 lines
2.2 KiB
72 lines
2.2 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "host/libs/wayland/wayland_surface.h"
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#include <android-base/logging.h>
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#include <wayland-server-protocol.h>
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#include "host/libs/wayland/wayland_surfaces.h"
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namespace wayland {
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Surface::Surface(std::uint32_t display_number, Surfaces& surfaces)
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: display_number_(display_number), surfaces_(surfaces) {}
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void Surface::SetRegion(const Region& region) {
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std::unique_lock<std::mutex> lock(state_mutex_);
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state_.region = region;
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}
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void Surface::Attach(struct wl_resource* buffer) {
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std::unique_lock<std::mutex> lock(state_mutex_);
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state_.pending_buffer = buffer;
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}
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void Surface::Commit() {
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std::unique_lock<std::mutex> lock(state_mutex_);
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state_.current_buffer = state_.pending_buffer;
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state_.pending_buffer = nullptr;
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if (state_.current_buffer == nullptr) {
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return;
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}
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struct wl_shm_buffer* shm_buffer = wl_shm_buffer_get(state_.current_buffer);
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CHECK(shm_buffer != nullptr);
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wl_shm_buffer_begin_access(shm_buffer);
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const int32_t buffer_w = wl_shm_buffer_get_width(shm_buffer);
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CHECK(buffer_w == state_.region.w);
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const int32_t buffer_h = wl_shm_buffer_get_height(shm_buffer);
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CHECK(buffer_h == state_.region.h);
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uint8_t* buffer_pixels =
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reinterpret_cast<uint8_t*>(wl_shm_buffer_get_data(shm_buffer));
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surfaces_.HandleSurfaceFrame(display_number_, buffer_pixels);
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wl_shm_buffer_end_access(shm_buffer);
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wl_buffer_send_release(state_.current_buffer);
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wl_client_flush(wl_resource_get_client(state_.current_buffer));
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state_.current_buffer = nullptr;
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state_.current_frame_number++;
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}
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} // namespace wayland
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