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Diffstat (limited to 'source/blender/render/intern/source/initrender.c')
-rw-r--r--source/blender/render/intern/source/initrender.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/source/blender/render/intern/source/initrender.c b/source/blender/render/intern/source/initrender.c
index 353ba5d5caa..a0fcc7cdcd2 100644
--- a/source/blender/render/intern/source/initrender.c
+++ b/source/blender/render/intern/source/initrender.c
@@ -36,8 +36,6 @@
#include "MEM_guardedalloc.h"
-#include "PIL_time.h"
-
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_jitter.h"
@@ -48,12 +46,8 @@
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
-
#include "BKE_camera.h"
-#include "IMB_imbuf_types.h"
-#include "IMB_imbuf.h"
-
#ifdef WITH_QUICKTIME
#include "quicktime_export.h"
#endif
@@ -62,10 +56,6 @@
#include "renderpipeline.h"
#include "render_types.h"
-#include "rendercore.h"
-#include "pixelshading.h"
-#include "zbuf.h"
-
/* Own includes */
#include "initrender.h"
@@ -164,8 +154,11 @@ float RE_filter_value(int type, float x)
return 1.0f - x;
case R_FILTER_GAUSS:
- x *= gaussfac;
- return (1.0f / expf(x * x) - 1.0f / expf(gaussfac * gaussfac * 2.25f));
+ {
+ const float two_gaussfac2 = 2.0f * gaussfac * gaussfac;
+ x *= 3.0f * gaussfac;
+ return 1.0f / sqrtf((float)M_PI * two_gaussfac2) * expf(-x*x / two_gaussfac2);
+ }
case R_FILTER_MITCH:
return filt_mitchell(x * gaussfac);