Fix for [#31602] Node Glare: Ghosts effect

1 files changed, 30 insertions, 0 deletions

diff --git a/source/blender/compositor/operations/COM_GlareBaseOperation.h b/source/blender/compositor/operations/COM_GlareBaseOperation.h
index e06244d3cdd..2fa8afc9c4c 100644
--- a/source/blender/compositor/operations/COM_GlareBaseOperation.h
+++ b/source/blender/compositor/operations/COM_GlareBaseOperation.h
@@ -25,6 +25,36 @@
 #include "COM_NodeOperation.h"
 #include "DNA_node_types.h"
 
+
+/* utility functions used by glare, tonemap and lens distortion */
+/* soms macros for color handling */
+typedef float fRGB[4];
+/* clear color */
+#define fRGB_clear(c) { c[0]=c[1]=c[2]=0.f; } (void)0
+/* copy c2 to c1 */
+#define fRGB_copy(c1, c2) { c1[0]=c2[0];  c1[1]=c2[1];  c1[2]=c2[2]; c1[3]=c2[3]; } (void)0
+/* add c2 to c1 */
+#define fRGB_add(c1, c2) { c1[0]+=c2[0];  c1[1]+=c2[1];  c1[2]+=c2[2]; } (void)0
+/* subtract c2 from c1 */
+#define fRGB_sub(c1, c2) { c1[0]-=c2[0];  c1[1]-=c2[1];  c1[2]-=c2[2]; } (void)0
+/* multiply c by float value s */
+#define fRGB_mult(c, s) { c[0]*=s;  c[1]*=s;  c[2]*=s; } (void)0
+/* multiply c2 by s and add to c1 */
+#define fRGB_madd(c1, c2, s) { c1[0]+=c2[0]*s;  c1[1]+=c2[1]*s;  c1[2]+=c2[2]*s; } (void)0
+/* multiply c2 by color c1 */
+#define fRGB_colormult(c, cs) { c[0]*=cs[0];  c[1]*=cs[1];  c[2]*=cs[2]; } (void)0
+/* multiply c2 by color c3 and add to c1 */
+#define fRGB_colormadd(c1, c2, c3) { c1[0]+=c2[0]*c3[0];  c1[1]+=c2[1]*c3[1];  c1[2]+=c2[2]*c3[2]; } (void)0
+/* multiply c2 by color rgb, rgb as separate arguments */
+#define fRGB_rgbmult(c, r, g, b) { c[0]*=(r);  c[1]*=(g);  c[2]*=(b); } (void)0
+/* swap colors c1 & c2 */
+#define fRGB_swap(c1, c2) { float _t=c1[0];  c1[0]=c2[0];  c2[0]=_t;\
+                                  _t=c1[1];  c1[1]=c2[1];  c2[1]=_t;\
+                                  _t=c1[2];  c1[2]=c2[2];  c2[2]=_t;\
+                                  _t=c1[3];  c1[3]=c2[3];  c3[3]=_t;\
+                          } (void)0
+
+
 class GlareBaseOperation : public NodeOperation {
 private:
 	/**