diff options
Diffstat (limited to 'src/core/frontend/framebuffer_layout.cpp')
| -rw-r--r-- | src/core/frontend/framebuffer_layout.cpp | 170 |
1 files changed, 9 insertions, 161 deletions
diff --git a/src/core/frontend/framebuffer_layout.cpp b/src/core/frontend/framebuffer_layout.cpp index e9f778fcb..8551858d1 100644 --- a/src/core/frontend/framebuffer_layout.cpp +++ b/src/core/frontend/framebuffer_layout.cpp | |||
| @@ -1,25 +1,12 @@ | |||
| 1 | // Copyright 2016 Citra Emulator Project | 1 | // Copyright 2018 Yuzu Emulator Team |
| 2 | // Licensed under GPLv2 or any later version | 2 | // Licensed under GPLv2 or any later version |
| 3 | // Refer to the license.txt file included. | 3 | // Refer to the license.txt file included. |
| 4 | 4 | ||
| 5 | #include <cmath> | ||
| 6 | |||
| 7 | #include "common/assert.h" | 5 | #include "common/assert.h" |
| 8 | #include "core/3ds.h" | ||
| 9 | #include "core/frontend/framebuffer_layout.h" | 6 | #include "core/frontend/framebuffer_layout.h" |
| 10 | #include "core/settings.h" | ||
| 11 | 7 | ||
| 12 | namespace Layout { | 8 | namespace Layout { |
| 13 | 9 | ||
| 14 | static const float TOP_SCREEN_ASPECT_RATIO = | ||
| 15 | static_cast<float>(Core::kScreenTopHeight) / Core::kScreenTopWidth; | ||
| 16 | static const float BOT_SCREEN_ASPECT_RATIO = | ||
| 17 | static_cast<float>(Core::kScreenBottomHeight) / Core::kScreenBottomWidth; | ||
| 18 | |||
| 19 | float FramebufferLayout::GetScalingRatio() const { | ||
| 20 | return static_cast<float>(top_screen.GetWidth()) / Core::kScreenTopWidth; | ||
| 21 | } | ||
| 22 | |||
| 23 | // Finds the largest size subrectangle contained in window area that is confined to the aspect ratio | 10 | // Finds the largest size subrectangle contained in window area that is confined to the aspect ratio |
| 24 | template <class T> | 11 | template <class T> |
| 25 | static MathUtil::Rectangle<T> maxRectangle(MathUtil::Rectangle<T> window_area, | 12 | static MathUtil::Rectangle<T> maxRectangle(MathUtil::Rectangle<T> window_area, |
| @@ -30,166 +17,27 @@ static MathUtil::Rectangle<T> maxRectangle(MathUtil::Rectangle<T> window_area, | |||
| 30 | static_cast<T>(std::round(scale * screen_aspect_ratio))}; | 17 | static_cast<T>(std::round(scale * screen_aspect_ratio))}; |
| 31 | } | 18 | } |
| 32 | 19 | ||
| 33 | FramebufferLayout DefaultFrameLayout(unsigned width, unsigned height, bool swapped) { | 20 | FramebufferLayout DefaultFrameLayout(unsigned width, unsigned height) { |
| 34 | ASSERT(width > 0); | ||
| 35 | ASSERT(height > 0); | ||
| 36 | |||
| 37 | FramebufferLayout res{width, height, true, true, {}, {}}; | ||
| 38 | // Default layout gives equal screen sizes to the top and bottom screen | ||
| 39 | MathUtil::Rectangle<unsigned> screen_window_area{0, 0, width, height / 2}; | ||
| 40 | MathUtil::Rectangle<unsigned> top_screen = | ||
| 41 | maxRectangle(screen_window_area, TOP_SCREEN_ASPECT_RATIO); | ||
| 42 | MathUtil::Rectangle<unsigned> bot_screen = | ||
| 43 | maxRectangle(screen_window_area, BOT_SCREEN_ASPECT_RATIO); | ||
| 44 | |||
| 45 | float window_aspect_ratio = static_cast<float>(height) / width; | ||
| 46 | // both screens height are taken into account by multiplying by 2 | ||
| 47 | float emulation_aspect_ratio = TOP_SCREEN_ASPECT_RATIO * 2; | ||
| 48 | |||
| 49 | if (window_aspect_ratio < emulation_aspect_ratio) { | ||
| 50 | // Apply borders to the left and right sides of the window. | ||
| 51 | top_screen = | ||
| 52 | top_screen.TranslateX((screen_window_area.GetWidth() - top_screen.GetWidth()) / 2); | ||
| 53 | bot_screen = | ||
| 54 | bot_screen.TranslateX((screen_window_area.GetWidth() - bot_screen.GetWidth()) / 2); | ||
| 55 | } else { | ||
| 56 | // Window is narrower than the emulation content => apply borders to the top and bottom | ||
| 57 | // Recalculate the bottom screen to account for the width difference between top and bottom | ||
| 58 | screen_window_area = {0, 0, width, top_screen.GetHeight()}; | ||
| 59 | bot_screen = maxRectangle(screen_window_area, BOT_SCREEN_ASPECT_RATIO); | ||
| 60 | bot_screen = bot_screen.TranslateX((top_screen.GetWidth() - bot_screen.GetWidth()) / 2); | ||
| 61 | if (swapped) { | ||
| 62 | bot_screen = bot_screen.TranslateY(height / 2 - bot_screen.GetHeight()); | ||
| 63 | } else { | ||
| 64 | top_screen = top_screen.TranslateY(height / 2 - top_screen.GetHeight()); | ||
| 65 | } | ||
| 66 | } | ||
| 67 | // Move the top screen to the bottom if we are swapped. | ||
| 68 | res.top_screen = swapped ? top_screen.TranslateY(height / 2) : top_screen; | ||
| 69 | res.bottom_screen = swapped ? bot_screen : bot_screen.TranslateY(height / 2); | ||
| 70 | return res; | ||
| 71 | } | ||
| 72 | |||
| 73 | FramebufferLayout SingleFrameLayout(unsigned width, unsigned height, bool swapped) { | ||
| 74 | ASSERT(width > 0); | 21 | ASSERT(width > 0); |
| 75 | ASSERT(height > 0); | 22 | ASSERT(height > 0); |
| 76 | // The drawing code needs at least somewhat valid values for both screens | 23 | // The drawing code needs at least somewhat valid values for both screens |
| 77 | // so just calculate them both even if the other isn't showing. | 24 | // so just calculate them both even if the other isn't showing. |
| 78 | FramebufferLayout res{width, height, !swapped, swapped, {}, {}}; | 25 | FramebufferLayout res{width, height}; |
| 79 | |||
| 80 | MathUtil::Rectangle<unsigned> screen_window_area{0, 0, width, height}; | ||
| 81 | MathUtil::Rectangle<unsigned> top_screen = | ||
| 82 | maxRectangle(screen_window_area, TOP_SCREEN_ASPECT_RATIO); | ||
| 83 | MathUtil::Rectangle<unsigned> bot_screen = | ||
| 84 | maxRectangle(screen_window_area, BOT_SCREEN_ASPECT_RATIO); | ||
| 85 | |||
| 86 | float window_aspect_ratio = static_cast<float>(height) / width; | ||
| 87 | float emulation_aspect_ratio = (swapped) ? BOT_SCREEN_ASPECT_RATIO : TOP_SCREEN_ASPECT_RATIO; | ||
| 88 | |||
| 89 | if (window_aspect_ratio < emulation_aspect_ratio) { | ||
| 90 | top_screen = | ||
| 91 | top_screen.TranslateX((screen_window_area.GetWidth() - top_screen.GetWidth()) / 2); | ||
| 92 | bot_screen = | ||
| 93 | bot_screen.TranslateX((screen_window_area.GetWidth() - bot_screen.GetWidth()) / 2); | ||
| 94 | } else { | ||
| 95 | top_screen = top_screen.TranslateY((height - top_screen.GetHeight()) / 2); | ||
| 96 | bot_screen = bot_screen.TranslateY((height - bot_screen.GetHeight()) / 2); | ||
| 97 | } | ||
| 98 | res.top_screen = top_screen; | ||
| 99 | res.bottom_screen = bot_screen; | ||
| 100 | return res; | ||
| 101 | } | ||
| 102 | |||
| 103 | FramebufferLayout LargeFrameLayout(unsigned width, unsigned height, bool swapped) { | ||
| 104 | ASSERT(width > 0); | ||
| 105 | ASSERT(height > 0); | ||
| 106 | |||
| 107 | FramebufferLayout res{width, height, true, true, {}, {}}; | ||
| 108 | // Split the window into two parts. Give 4x width to the main screen and 1x width to the small | ||
| 109 | // To do that, find the total emulation box and maximize that based on window size | ||
| 110 | float window_aspect_ratio = static_cast<float>(height) / width; | ||
| 111 | float emulation_aspect_ratio = | ||
| 112 | swapped | ||
| 113 | ? Core::kScreenBottomHeight * 4 / | ||
| 114 | (Core::kScreenBottomWidth * 4.0f + Core::kScreenTopWidth) | ||
| 115 | : Core::kScreenTopHeight * 4 / | ||
| 116 | (Core::kScreenTopWidth * 4.0f + Core::kScreenBottomWidth); | ||
| 117 | float large_screen_aspect_ratio = swapped ? BOT_SCREEN_ASPECT_RATIO : TOP_SCREEN_ASPECT_RATIO; | ||
| 118 | float small_screen_aspect_ratio = swapped ? TOP_SCREEN_ASPECT_RATIO : BOT_SCREEN_ASPECT_RATIO; | ||
| 119 | 26 | ||
| 27 | const float emulation_aspect_ratio{static_cast<float>(ScreenUndocked::Height) / | ||
| 28 | ScreenUndocked::Width}; | ||
| 120 | MathUtil::Rectangle<unsigned> screen_window_area{0, 0, width, height}; | 29 | MathUtil::Rectangle<unsigned> screen_window_area{0, 0, width, height}; |
| 121 | MathUtil::Rectangle<unsigned> total_rect = | 30 | MathUtil::Rectangle<unsigned> screen = maxRectangle(screen_window_area, emulation_aspect_ratio); |
| 122 | maxRectangle(screen_window_area, emulation_aspect_ratio); | ||
| 123 | MathUtil::Rectangle<unsigned> large_screen = | ||
| 124 | maxRectangle(total_rect, large_screen_aspect_ratio); | ||
| 125 | MathUtil::Rectangle<unsigned> fourth_size_rect = total_rect.Scale(.25f); | ||
| 126 | MathUtil::Rectangle<unsigned> small_screen = | ||
| 127 | maxRectangle(fourth_size_rect, small_screen_aspect_ratio); | ||
| 128 | |||
| 129 | if (window_aspect_ratio < emulation_aspect_ratio) { | ||
| 130 | large_screen = | ||
| 131 | large_screen.TranslateX((screen_window_area.GetWidth() - total_rect.GetWidth()) / 2); | ||
| 132 | } else { | ||
| 133 | large_screen = large_screen.TranslateY((height - total_rect.GetHeight()) / 2); | ||
| 134 | } | ||
| 135 | // Shift the small screen to the bottom right corner | ||
| 136 | small_screen = | ||
| 137 | small_screen.TranslateX(large_screen.right) | ||
| 138 | .TranslateY(large_screen.GetHeight() + large_screen.top - small_screen.GetHeight()); | ||
| 139 | res.top_screen = swapped ? small_screen : large_screen; | ||
| 140 | res.bottom_screen = swapped ? large_screen : small_screen; | ||
| 141 | return res; | ||
| 142 | } | ||
| 143 | |||
| 144 | FramebufferLayout SideFrameLayout(unsigned width, unsigned height, bool swapped) { | ||
| 145 | ASSERT(width > 0); | ||
| 146 | ASSERT(height > 0); | ||
| 147 | 31 | ||
| 148 | FramebufferLayout res{width, height, true, true, {}, {}}; | ||
| 149 | // Aspect ratio of both screens side by side | ||
| 150 | const float emulation_aspect_ratio = static_cast<float>(Core::kScreenTopHeight) / | ||
| 151 | (Core::kScreenTopWidth + Core::kScreenBottomWidth); | ||
| 152 | float window_aspect_ratio = static_cast<float>(height) / width; | 32 | float window_aspect_ratio = static_cast<float>(height) / width; |
| 153 | MathUtil::Rectangle<unsigned> screen_window_area{0, 0, width, height}; | ||
| 154 | // Find largest Rectangle that can fit in the window size with the given aspect ratio | ||
| 155 | MathUtil::Rectangle<unsigned> screen_rect = | ||
| 156 | maxRectangle(screen_window_area, emulation_aspect_ratio); | ||
| 157 | // Find sizes of top and bottom screen | ||
| 158 | MathUtil::Rectangle<unsigned> top_screen = maxRectangle(screen_rect, TOP_SCREEN_ASPECT_RATIO); | ||
| 159 | MathUtil::Rectangle<unsigned> bot_screen = maxRectangle(screen_rect, BOT_SCREEN_ASPECT_RATIO); | ||
| 160 | 33 | ||
| 161 | if (window_aspect_ratio < emulation_aspect_ratio) { | 34 | if (window_aspect_ratio < emulation_aspect_ratio) { |
| 162 | // Apply borders to the left and right sides of the window. | 35 | screen = screen.TranslateX((screen_window_area.GetWidth() - screen.GetWidth()) / 2); |
| 163 | u32 shift_horizontal = (screen_window_area.GetWidth() - screen_rect.GetWidth()) / 2; | ||
| 164 | top_screen = top_screen.TranslateX(shift_horizontal); | ||
| 165 | bot_screen = bot_screen.TranslateX(shift_horizontal); | ||
| 166 | } else { | 36 | } else { |
| 167 | // Window is narrower than the emulation content => apply borders to the top and bottom | 37 | screen = screen.TranslateY((height - screen.GetHeight()) / 2); |
| 168 | u32 shift_vertical = (screen_window_area.GetHeight() - screen_rect.GetHeight()) / 2; | ||
| 169 | top_screen = top_screen.TranslateY(shift_vertical); | ||
| 170 | bot_screen = bot_screen.TranslateY(shift_vertical); | ||
| 171 | } | 38 | } |
| 172 | // Move the top screen to the right if we are swapped. | 39 | res.screen = screen; |
| 173 | res.top_screen = swapped ? top_screen.TranslateX(bot_screen.GetWidth()) : top_screen; | ||
| 174 | res.bottom_screen = swapped ? bot_screen : bot_screen.TranslateX(top_screen.GetWidth()); | ||
| 175 | return res; | 40 | return res; |
| 176 | } | 41 | } |
| 177 | 42 | ||
| 178 | FramebufferLayout CustomFrameLayout(unsigned width, unsigned height) { | ||
| 179 | ASSERT(width > 0); | ||
| 180 | ASSERT(height > 0); | ||
| 181 | |||
| 182 | FramebufferLayout res{width, height, true, true, {}, {}}; | ||
| 183 | |||
| 184 | MathUtil::Rectangle<unsigned> top_screen{ | ||
| 185 | Settings::values.custom_top_left, Settings::values.custom_top_top, | ||
| 186 | Settings::values.custom_top_right, Settings::values.custom_top_bottom}; | ||
| 187 | MathUtil::Rectangle<unsigned> bot_screen{ | ||
| 188 | Settings::values.custom_bottom_left, Settings::values.custom_bottom_top, | ||
| 189 | Settings::values.custom_bottom_right, Settings::values.custom_bottom_bottom}; | ||
| 190 | |||
| 191 | res.top_screen = top_screen; | ||
| 192 | res.bottom_screen = bot_screen; | ||
| 193 | return res; | ||
| 194 | } | ||
| 195 | } // namespace Layout | 43 | } // namespace Layout |