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Refactor scissor test handling for macOS and others

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Antonis Geralis 2025-12-19 14:55:48 +02:00 committed by GitHub
parent 70e6b3b961
commit 568e195ca4
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1 changed files with 28 additions and 15 deletions
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43
src/rcore.c
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@ -1093,27 +1093,40 @@ void BeginScissorMode(int x, int y, int width, int height)
rlEnableScissorTest();
#if !defined(__APPLE__)
if (!CORE.Window.usingFbo &&
(CORE.Window.screen.width > 0) && (CORE.Window.screen.height > 0))
#if defined(__APPLE__)
// macOS: keep existing behavior (native scaling behavior differs)
if (!CORE.Window.usingFbo)
{
const float sx = (float)CORE.Window.currentFbo.width/(float)CORE.Window.screen.width;
const float sy = (float)CORE.Window.currentFbo.height/(float)CORE.Window.screen.height;
if ((sx != 1.0f) || (sy != 1.0f))
{
rlScissor((int)(x*sx),
(int)(CORE.Window.currentFbo.height - (y + height)*sy),
(int)(width*sx),
(int)(height*sy));
}
else rlScissor(x, CORE.Window.currentFbo.height - (y + height), width, height);
Vector2 scale = GetWindowScaleDPI();
rlScissor((int)(x*scale.x),
(int)(GetScreenHeight()*scale.y - (((y + height)*scale.y))),
(int)(width*scale.x),
(int)(height*scale.y));
}
#endif
else
{
rlScissor(x, CORE.Window.currentFbo.height - (y + height), width, height);
}
#else
// Non-Apple: scissor is in framebuffer pixels, but API coords are logical screen coords.
// Use the actual framebuffer-to-window ratio (works for Wayland fractional scaling even when HIGHDPI flag is off).
if (!CORE.Window.usingFbo &&
(CORE.Window.screen.width > 0) && (CORE.Window.screen.height > 0) &&
(CORE.Window.currentFbo.width > 0) && (CORE.Window.currentFbo.height > 0))
{
const float sx = (float)CORE.Window.currentFbo.width/(float)CORE.Window.screen.width;
const float sy = (float)CORE.Window.currentFbo.height/(float)CORE.Window.screen.height;
rlScissor((int)(x*sx),
(int)(CORE.Window.currentFbo.height - (y + height)*sy),
(int)(width*sx),
(int)(height*sy));
}
else
{
rlScissor(x, CORE.Window.currentFbo.height - (y + height), width, height);
}
#endif
}
// End scissor mode