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Second version of fix for display of all scanlines in preview render for

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wacko 3d cards... now it draws 5 scanlines in a time, with first being
drawn double.
This commit is contained in:
Ton Roosendaal
2005-02-12 14:15:08 +00:00
parent d1050d4ae6
commit 43310097c9
1 changed files with 8 additions and 5 deletions
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13
source/blender/src/previewrender.c
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@@ -286,13 +286,16 @@ static void end_previewrect(void)
static void display_pr_scanline(unsigned int *rect, int recty)
{
/* we do steps of 4 scanlines, doing 2 gives errors on some gfx cards (nvidia geforce) */
/* we do steps of 4 scanlines. but draw 5, because of errors in some gfx cards (nvidia geforce, ati...) */
if( (recty & 3)==3) {
rect+= (recty-3)*PR_RECTX;
glaDrawPixelsSafe(prerect.xmin, prerect.ymin + (((float)recty-3.0)*pr_facy), PR_RECTX, 4, rect);
if(recty == 3) {
glaDrawPixelsSafe(prerect.xmin, prerect.ymin, PR_RECTX, 4, rect);
}
else {
rect+= (recty-4)*PR_RECTX;
glaDrawPixelsSafe(prerect.xmin, prerect.ymin + (((float)recty-4.0)*pr_facy), PR_RECTX, 5, rect);
}
}
}