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Merge pull request #303 from fjtrujy/improve_sceGuViewport

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Fix `sceGuVIewport` with odd center values
This commit is contained in:
Francisco Javier Trujillo Mata
2025-06-10 18:50:57 +02:00
committed by GitHub
parent be9540d033 7373322962
commit d09cdf9b43
1 changed files with 10 additions and 4 deletions
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14
src/gu/sceGuViewport.c
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@@ -10,8 +10,14 @@
void sceGuViewport(int cx, int cy, int width, int height) void sceGuViewport(int cx, int cy, int width, int height)
{ {
sendCommandf(VIEWPORT_X_SCALE, (float)(width >> 1)); float sx, sy, tx, ty;
sendCommandf(VIEWPORT_Y_SCALE, (float)((-height) >> 1)); sx = (float)(width) * 0.5f;
sendCommandf(VIEWPORT_X_CENTER, (float)cx); sy = (float)(height) * -0.5f;
sendCommandf(VIEWPORT_Y_CENTER, (float)cy); tx = (float)cx;
ty = (float)cy;
sendCommandf(VIEWPORT_X_SCALE, sx);
sendCommandf(VIEWPORT_Y_SCALE, sy);
sendCommandf(VIEWPORT_X_CENTER, tx);
sendCommandf(VIEWPORT_Y_CENTER, ty);
} }