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graphics: improve setScissor's handling of fractional DPI-scaled coordinates.

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This commit is contained in:
Sasha Szpakowski
2026-06-21 14:58:22 -03:00
parent 3eedfb6e1e
commit 142ce87335
11 changed files with 64 additions and 53 deletions
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src/modules/graphics/Graphics.cpp
+8 -8
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@@ -1489,9 +1489,9 @@ bool Graphics::findVertexAttributes(VertexAttributesID id, VertexAttributes &att
return true;
}
void Graphics::intersectScissor(const Rect &rect)
void Graphics::intersectScissor(const FRect &rect)
{
Rect currect = states.back().scissorRect;
FRect currect = states.back().scissorRect;
if (!states.back().scissor)
{
@@ -1501,17 +1501,17 @@ void Graphics::intersectScissor(const Rect &rect)
currect.h = std::numeric_limits<int>::max();
}
int x1 = std::max(currect.x, rect.x);
int y1 = std::max(currect.y, rect.y);
float x1 = std::max(currect.x, rect.x);
float y1 = std::max(currect.y, rect.y);
int x2 = std::min(currect.x + currect.w, rect.x + rect.w);
int y2 = std::min(currect.y + currect.h, rect.y + rect.h);
float x2 = std::min(currect.x + currect.w, rect.x + rect.w);
float y2 = std::min(currect.y + currect.h, rect.y + rect.h);
Rect newrect = {x1, y1, std::max(0, x2 - x1), std::max(0, y2 - y1)};
FRect newrect = {x1, y1, std::max(0.0f, x2 - x1), std::max(0.0f, y2 - y1)};
setScissor(newrect);
}
bool Graphics::getScissor(Rect &rect) const
bool Graphics::getScissor(FRect &rect) const
{
const DisplayState &state = states.back();
rect = state.scissorRect;