[Bf-blender-cvs] [4f0be4d] compositor-2016: Fix T48566: Render-border minor offset issue

[Campbell Barton]

Commit: 4f0be4de0284809845f189c7c89c95b6ffbaf029
Author: Campbell Barton
Date:   Thu Jun 2 12:51:36 2016 +1000
Branches: compositor-2016
https://developer.blender.org/rB4f0be4de0284809845f189c7c89c95b6ffbaf029

Fix T48566: Render-border minor offset issue

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M	source/blender/editors/space_view3d/view3d_draw.c

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diff --git a/source/blender/editors/space_view3d/view3d_draw.c b/source/blender/editors/space_view3d/view3d_draw.c
index 01e23f2..445a4cb 100644
--- a/source/blender/editors/space_view3d/view3d_draw.c
+++ b/source/blender/editors/space_view3d/view3d_draw.c
@@ -1179,10 +1179,10 @@ static void drawviewborder(Scene *scene, ARegion *ar, View3D *v3d)
 	if (scene->r.mode & R_BORDER) {
 		float x3, y3, x4, y4;
 
-		x3 = x1i + 1 + roundf(scene->r.border.xmin * (x2 - x1));
-		y3 = y1i + 1 + roundf(scene->r.border.ymin * (y2 - y1));
-		x4 = x1i + 1 + roundf(scene->r.border.xmax * (x2 - x1));
-		y4 = y1i + 1 + roundf(scene->r.border.ymax * (y2 - y1));
+		x3 = floorf(x1 + (scene->r.border.xmin * (x2 - x1))) - 1;
+		y3 = floorf(y1 + (scene->r.border.ymin * (y2 - y1))) - 1;
+		x4 = floorf(x1 + (scene->r.border.xmax * (x2 - x1))) + (U.pixelsize - 1);
+		y4 = floorf(y1 + (scene->r.border.ymax * (y2 - y1))) + (U.pixelsize - 1);
 
 		cpack(0x4040FF);
 		sdrawbox(x3,  y3,  x4,  y4);