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67 lines
2.9 KiB
C++
67 lines
2.9 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "emu_window.h"
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#include "video_core/video_core.h"
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void EmuWindow::KeyPressed(KeyMap::HostDeviceKey key) {
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Service::HID::PadState mapped_key = KeyMap::GetPadKey(key);
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Service::HID::PadButtonPress(mapped_key);
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}
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void EmuWindow::KeyReleased(KeyMap::HostDeviceKey key) {
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Service::HID::PadState mapped_key = KeyMap::GetPadKey(key);
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Service::HID::PadButtonRelease(mapped_key);
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}
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EmuWindow::FramebufferLayout EmuWindow::FramebufferLayout::DefaultScreenLayout(unsigned width, unsigned height) {
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ASSERT(width > 0);
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ASSERT(height > 0);
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EmuWindow::FramebufferLayout res = { width, height, {}, {} };
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float window_aspect_ratio = static_cast<float>(height) / width;
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float emulation_aspect_ratio = static_cast<float>(VideoCore::kScreenTopHeight * 2) /
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VideoCore::kScreenTopWidth;
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if (window_aspect_ratio > emulation_aspect_ratio) {
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// Window is narrower than the emulation content => apply borders to the top and bottom
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int viewport_height = static_cast<int>(std::round(emulation_aspect_ratio * width));
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res.top_screen.left = 0;
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res.top_screen.right = res.top_screen.left + width;
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res.top_screen.top = (height - viewport_height) / 2;
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res.top_screen.bottom = res.top_screen.top + viewport_height / 2;
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int bottom_width = static_cast<int>((static_cast<float>(VideoCore::kScreenBottomWidth) /
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VideoCore::kScreenTopWidth) * (res.top_screen.right - res.top_screen.left));
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int bottom_border = ((res.top_screen.right - res.top_screen.left) - bottom_width) / 2;
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res.bottom_screen.left = bottom_border;
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res.bottom_screen.right = res.bottom_screen.left + bottom_width;
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res.bottom_screen.top = res.top_screen.bottom;
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res.bottom_screen.bottom = res.bottom_screen.top + viewport_height / 2;
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} else {
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// Otherwise, apply borders to the left and right sides of the window.
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int viewport_width = static_cast<int>(std::round(height / emulation_aspect_ratio));
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res.top_screen.left = (width - viewport_width) / 2;
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res.top_screen.right = res.top_screen.left + viewport_width;
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res.top_screen.top = 0;
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res.top_screen.bottom = res.top_screen.top + height / 2;
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int bottom_width = static_cast<int>((static_cast<float>(VideoCore::kScreenBottomWidth) /
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VideoCore::kScreenTopWidth) * (res.top_screen.right - res.top_screen.left));
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int bottom_border = ((res.top_screen.right - res.top_screen.left) - bottom_width) / 2;
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res.bottom_screen.left = res.top_screen.left + bottom_border;
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res.bottom_screen.right = res.bottom_screen.left + bottom_width;
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res.bottom_screen.top = res.top_screen.bottom;
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res.bottom_screen.bottom = res.bottom_screen.top + height / 2;
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}
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return res;
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}
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