[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [45490] trunk/blender/intern/cycles/kernel /kernel_accumulate.h: Bugfix [#30835]: Cycles doesn' t work with AMD Juniper GPU, compiller throws errors.

[Daniel Genrich]

Revision: 45490
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=45490
Author:   genscher
Date:     2012-04-09 15:31:31 +0000 (Mon, 09 Apr 2012)
Log Message:
-----------
Bugfix [#30835]: Cycles doesn't work with AMD Juniper GPU, compiller throws errors. Thanks for reporting!

Problem: AMD does not like something like this.
float3 *a;
flaot b = a->x;

You need to circumvent this by using:
float3 *a;
float b = (*a).x;

Modified Paths:
--------------
    trunk/blender/intern/cycles/kernel/kernel_accumulate.h

Modified: trunk/blender/intern/cycles/kernel/kernel_accumulate.h
===================================================================
--- trunk/blender/intern/cycles/kernel/kernel_accumulate.h	2012-04-09 12:50:43 UTC (rev 45489)
+++ trunk/blender/intern/cycles/kernel/kernel_accumulate.h	2012-04-09 15:31:31 UTC (rev 45490)
@@ -296,7 +296,7 @@
 
 __device_inline void path_radiance_clamp(PathRadiance *L, float3 *L_sum, float clamp)
 {
-	float sum = fabsf(L_sum->x) + fabsf(L_sum->y) + fabsf(L_sum->z);
+	float sum = fabsf((*L_sum).x) + fabsf((*L_sum).y) + fabsf((*L_sum).z);
 
 	if(!isfinite(sum)) {
 		/* invalid value, reject */