[Bf-blender-cvs] [6e8e94d] master: Fix undo in texture painting not refreshing float images in viewport if 16 bit float textures was off

[Antony Riakiotakis]

Commit: 6e8e94d806fa429d65addc4a45250fcd1f1b0bee
Author: Antony Riakiotakis
Date:   Tue Aug 12 12:03:15 2014 +0200
Branches: master
https://developer.blender.org/rB6e8e94d806fa429d65addc4a45250fcd1f1b0bee

Fix undo in texture painting not refreshing float images in viewport if
16 bit float textures was off

===================================================================

M	source/blender/gpu/intern/gpu_draw.c

===================================================================

diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c
index fa9bc73..8abe7d5 100644
--- a/source/blender/gpu/intern/gpu_draw.c
+++ b/source/blender/gpu/intern/gpu_draw.c
@@ -530,12 +530,16 @@ int GPU_verify_image(Image *ima, ImageUser *iuser, int tftile, bool compare, boo
 			 * a high precision format only if it is available */
 			use_high_bit_depth = true;
 		}
+		/* we may skip this in high precision, but if not, we need to have a valid buffer here */
+		else if (ibuf->userflags & IB_RECT_INVALID) {
+			IMB_rect_from_float(ibuf);
+		}
 
 		/* TODO unneeded when float images are correctly treated as linear always */
 		if (!is_data)
 			do_color_management = true;
 
-		if (ibuf->rect==NULL)
+		if (ibuf->rect == NULL)
 			IMB_rect_from_float(ibuf);
 	}