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// Copyright 2022 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#include "app_common/common.h"
#include "pw_color/color.h"
#include "pw_display_driver_imgui/display_driver.h"
#include "pw_display_imgui/display.h"
#include "pw_framebuffer_pool/framebuffer_pool.h"
#include "pw_status/try.h"
using pw::Status;
using pw::color::color_rgb565_t;
using pw::framebuffer::PixelFormat;
using pw::framebuffer_pool::FramebufferPool;
namespace {
constexpr uint16_t kDisplayScaleFactor = 1;
constexpr pw::geometry::Size<uint16_t> kFramebufferDimensions = {
.width = DISPLAY_WIDTH / kDisplayScaleFactor,
.height = DISPLAY_HEIGHT / kDisplayScaleFactor,
};
constexpr size_t kNumPixels =
kFramebufferDimensions.width * kFramebufferDimensions.height;
constexpr uint16_t kFramebufferRowBytes =
sizeof(color_rgb565_t) * kFramebufferDimensions.width;
constexpr pw::geometry::Size<uint16_t> kDisplaySize = {DISPLAY_WIDTH,
DISPLAY_HEIGHT};
color_rgb565_t s_pixel_data[kNumPixels];
const pw::Vector<void*, 1> s_pixel_buffers{s_pixel_data};
FramebufferPool s_fb_pool({
.fb_addr = s_pixel_buffers,
.dimensions = kFramebufferDimensions,
.row_bytes = kFramebufferRowBytes,
.pixel_format = PixelFormat::RGB565,
});
pw::display_driver::DisplayDriverImgUI s_display_driver;
pw::display::DisplayImgUI s_display(s_display_driver, kDisplaySize, s_fb_pool);
} // namespace
// static
Status Common::Init() { return s_display_driver.Init(); }
// static
pw::display::Display& Common::GetDisplay() { return s_display; }