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imgui_sw: do not allow out of bounds UV

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tildearrow 2024-05-02 14:50:13 -05:00
parent 5218825932
commit 57a03778c9
1 changed files with 5 additions and 0 deletions
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5
extern/imgui_software_renderer/imgui_sw.cpp vendored
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@ -312,6 +312,11 @@ static void paint_uniform_textured_rectangle(const PaintTarget &target,
int startX = uv_topleft.x * (texture.width - 1.0f) + 0.5f; int startX = uv_topleft.x * (texture.width - 1.0f) + 0.5f;
int startY = uv_topleft.y * (texture.height - 1.0f) + 0.5f; int startY = uv_topleft.y * (texture.height - 1.0f) + 0.5f;
if (startX<0) startX=0;
if (startX>texture.width-1) startX=texture.width-1;
if (startY<0) startY=0;
if (startY>texture.height-1) startY=texture.height-1;
int currentX = startX; int currentX = startX;
int currentY = startY * texture.width; int currentY = startY * texture.width;