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Fix segfault

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This commit is contained in:
Miloslav Číž 2019-06-03 18:44:53 +02:00
parent 68d1028d2b
commit 4354e98908
2 changed files with 4 additions and 3 deletions
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3
small3dlib.h
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@ -1531,7 +1531,8 @@ void S3L_drawTriangle(
loop */
#endif
if (rXClipped < lXClipped)
if (rXClipped < lXClipped &&
lXClipped < S3L_RESOLUTION_X && rXClipped >= 0)
{
/* This can sometimes happen because of numerical errors in sorting
left vs right triangle point, which are compared based on SLOPE, not

4
testSDL.c
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@ -18,8 +18,8 @@
#define S3L_PIXEL_FUNCTION drawPixel
#define S3L_RESOLUTION_X 110
#define S3L_RESOLUTION_Y 88
#define S3L_RESOLUTION_X 640
#define S3L_RESOLUTION_Y 480
#include "small3dlib.h"