From 43310097c97673ee545978f7ffb8e5568d938ea2 Mon Sep 17 00:00:00 2001 From: Ton Roosendaal Date: Sat, 12 Feb 2005 14:15:08 +0000 Subject: [PATCH] Second version of fix for display of all scanlines in preview render for wacko 3d cards... now it draws 5 scanlines in a time, with first being drawn double. --- source/blender/src/previewrender.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/source/blender/src/previewrender.c b/source/blender/src/previewrender.c index 0f682c18f72..d2f4f9abcae 100644 --- a/source/blender/src/previewrender.c +++ b/source/blender/src/previewrender.c @@ -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); + } } }