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author | bunnei <bunneidev@gmail.com> | 2017-10-10 05:56:20 +0200 |
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committer | bunnei <bunneidev@gmail.com> | 2017-10-10 05:56:20 +0200 |
commit | b1d5db1cf60344b6b081c9d03cb6ccc3264326cd (patch) | |
tree | fde377c4ba3c0f92c032e6f5ec8627aae37270ef /src/core/frontend/framebuffer_layout.cpp | |
parent | loader: Various improvements for NSO/NRO loaders. (diff) | |
parent | Merge pull request #2996 from MerryMage/split-travis (diff) | |
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Diffstat (limited to 'src/core/frontend/framebuffer_layout.cpp')
-rw-r--r-- | src/core/frontend/framebuffer_layout.cpp | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/src/core/frontend/framebuffer_layout.cpp b/src/core/frontend/framebuffer_layout.cpp index d2d02f9ff..e9f778fcb 100644 --- a/src/core/frontend/framebuffer_layout.cpp +++ b/src/core/frontend/framebuffer_layout.cpp @@ -141,6 +141,40 @@ FramebufferLayout LargeFrameLayout(unsigned width, unsigned height, bool swapped return res; } +FramebufferLayout SideFrameLayout(unsigned width, unsigned height, bool swapped) { + ASSERT(width > 0); + ASSERT(height > 0); + + FramebufferLayout res{width, height, true, true, {}, {}}; + // Aspect ratio of both screens side by side + const float emulation_aspect_ratio = static_cast<float>(Core::kScreenTopHeight) / + (Core::kScreenTopWidth + Core::kScreenBottomWidth); + float window_aspect_ratio = static_cast<float>(height) / width; + MathUtil::Rectangle<unsigned> screen_window_area{0, 0, width, height}; + // Find largest Rectangle that can fit in the window size with the given aspect ratio + MathUtil::Rectangle<unsigned> screen_rect = + maxRectangle(screen_window_area, emulation_aspect_ratio); + // Find sizes of top and bottom screen + MathUtil::Rectangle<unsigned> top_screen = maxRectangle(screen_rect, TOP_SCREEN_ASPECT_RATIO); + MathUtil::Rectangle<unsigned> bot_screen = maxRectangle(screen_rect, BOT_SCREEN_ASPECT_RATIO); + + if (window_aspect_ratio < emulation_aspect_ratio) { + // Apply borders to the left and right sides of the window. + u32 shift_horizontal = (screen_window_area.GetWidth() - screen_rect.GetWidth()) / 2; + top_screen = top_screen.TranslateX(shift_horizontal); + bot_screen = bot_screen.TranslateX(shift_horizontal); + } else { + // Window is narrower than the emulation content => apply borders to the top and bottom + u32 shift_vertical = (screen_window_area.GetHeight() - screen_rect.GetHeight()) / 2; + top_screen = top_screen.TranslateY(shift_vertical); + bot_screen = bot_screen.TranslateY(shift_vertical); + } + // Move the top screen to the right if we are swapped. + res.top_screen = swapped ? top_screen.TranslateX(bot_screen.GetWidth()) : top_screen; + res.bottom_screen = swapped ? bot_screen : bot_screen.TranslateX(top_screen.GetWidth()); + return res; +} + FramebufferLayout CustomFrameLayout(unsigned width, unsigned height) { ASSERT(width > 0); ASSERT(height > 0); @@ -158,4 +192,4 @@ FramebufferLayout CustomFrameLayout(unsigned width, unsigned height) { res.bottom_screen = bot_screen; return res; } -} +} // namespace Layout |