Cycles: merge of changes from tomato branch.

Regular rendering now works tiled, and supports save buffers to save memory
during render and cache render results.

Brick texture node by Thomas.
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Nodes/Textures#Brick_Texture

Image texture Blended Box Mapping.
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Nodes/Textures#Image_Texture
http://mango.blender.org/production/blended_box/

Various bug fixes by Sergey and Campbell.
* Fix for reading freed memory in some node setups.
* Fix incorrect memory read when synchronizing mesh motion.
* Fix crash appearing when direct light usage is different on different layers.
* Fix for vector pass gives wrong result in some circumstances.
* Fix for wrong resolution used for rendering Render Layer node.
* Option to cancel rendering when doing initial synchronization.
* No more texture limit when using CPU render.
* Many fixes for new tiled rendering.

1 files changed, 4 insertions, 1 deletions

diff --git a/source/blender/render/extern/include/RE_pipeline.h b/source/blender/render/extern/include/RE_pipeline.h
index d474dc14df8..b43824d6d5e 100644
--- a/source/blender/render/extern/include/RE_pipeline.h
+++ b/source/blender/render/extern/include/RE_pipeline.h
@@ -92,6 +92,9 @@ typedef struct RenderLayer {
 	float *acolrect;	/* 4 float, optional transparent buffer, needs storage for display updates */
 	float *scolrect;	/* 4 float, optional strand buffer, needs storage for display updates */
 	int rectx, recty;
+
+	/* optional saved endresult on disk */
+	void *exrhandle;
 	
 	ListBase passes;
 	
@@ -124,7 +127,7 @@ typedef struct RenderResult {
 	volatile RenderLayer *renlay;
 	
 	/* optional saved endresult on disk */
-	void *exrhandle;
+	int do_exr_tile;
 	
 	/* for render results in Image, verify validity for sequences */
 	int framenr;