[Bf-blender-cvs] [ecdb16d1d8e] blender-v2.79-release: Increase max/min frame range to over a million

Dalai Felinto noreply at git.blender.org
Mon Sep 4 13:12:27 CEST 2017


Commit: ecdb16d1d8e07ae8f8eab9bece520b99db041dc3
Author: Dalai Felinto
Date:   Thu Aug 31 16:06:08 2017 +0200
Branches: blender-v2.79-release
https://developer.blender.org/rBecdb16d1d8e07ae8f8eab9bece520b99db041dc3

Increase max/min frame range to over a million

For some specific pipelines (e.g., holographic rendering) you can easily
need over a million frames (1k * 1k view angles).

It seems a corner case, but there is no real reason not to allow users
doing that.

That said we do loose subframe precision in the highest frame range. Which can
affect motionblur. The current maximum sub-frame precision we have is 16.
While the previous limit of 500k frames has a precision of 32.

Thanks to Campbell Barton for the help here.

To be backported to 2.79

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

M	source/blender/makesdna/DNA_scene_types.h

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

diff --git a/source/blender/makesdna/DNA_scene_types.h b/source/blender/makesdna/DNA_scene_types.h
index 2bca5565553..79ee91bd0dc 100644
--- a/source/blender/makesdna/DNA_scene_types.h
+++ b/source/blender/makesdna/DNA_scene_types.h
@@ -1935,16 +1935,18 @@ extern const char *RE_engine_id_CYCLES;
 /* **************** SCENE ********************* */
 
 /* note that much higher maxframes give imprecise sub-frames, see: T46859 */
+/* Current precision is 16 for the sub-frames closer to MAXFRAME. */
+
 /* for general use */
-#define MAXFRAME	500000
-#define MAXFRAMEF	500000.0f
+#define MAXFRAME	1048574
+#define MAXFRAMEF	1048574.0f
 
 #define MINFRAME	0
 #define MINFRAMEF	0.0f
 
 /* (minimum frame number for current-frame) */
-#define MINAFRAME	-500000
-#define MINAFRAMEF	-500000.0f
+#define MINAFRAME	-1048574
+#define MINAFRAMEF	-1048574.0f
 
 /* depricate this! */
 #define TESTBASE(v3d, base)  (                                                \



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