SidebarWidget: Faster redraws

Reuse previous contents if they are still valid.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/ui/paint.h b/src/ui/paint.h
index aafc7496..5b29b176 100644
--- a/src/ui/paint.h
+++ b/src/ui/paint.h
@@ -35,3 +35,5 @@ iLocalDef void drawHLine_Paint(const iPaint *d, iInt2 pos, int len, int color) {
 iLocalDef void drawVLine_Paint(const iPaint *d, iInt2 pos, int len, int color) {
     drawLine_Paint(d, pos, addY_I2(pos, len), color);
 }
+
+iInt2   size_SDLTexture     (SDL_Texture *);