[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [42181] trunk/blender/source/blender/ blenkernel/intern/material.c: Fix [#29410] Blender svn 2.60.5 r42177, compositor, glare node bug.

Bastien Montagne montagne29 at wanadoo.fr
Sat Nov 26 22:42:14 CET 2011


Revision: 42181
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=42181
Author:   mont29
Date:     2011-11-26 21:42:04 +0000 (Sat, 26 Nov 2011)
Log Message:
-----------
Fix [#29410] Blender svn 2.60.5 r42177, compositor, glare node bug.

The problem was in fact in the changes made to blend_ramp() func at rev42164. The checks on green pointer (if(g) {...) were checking the existance of a valid value (i.e. if input color was rgb or only shades of grey in r pointer), but as we get now a full float[3] pointer, this test is no more possible. And doing if(r_col[1]) {... was wrong, as it only broke things in case green was 0.0 (which was the case with the generated glare color of bug report).

So, just removed all those tests!

Revision Links:
--------------
    http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=42177
    http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=42164

Modified Paths:
--------------
    trunk/blender/source/blender/blenkernel/intern/material.c

Modified: trunk/blender/source/blender/blenkernel/intern/material.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/material.c	2011-11-26 21:09:29 UTC (rev 42180)
+++ trunk/blender/source/blender/blenkernel/intern/material.c	2011-11-26 21:42:04 UTC (rev 42181)
@@ -1178,8 +1178,7 @@
 }
 
 
-/* r g b = current value, col = new value, fac==0 is no change */
-/* if g==NULL, it only does r channel */
+/* r_col = current value, col = new value, fac==0 is no change */
 void ramp_blend(int type, float r_col[3], const float fac, const float col[3])
 {
 	float tmp, facm= 1.0f-fac;
@@ -1187,165 +1186,137 @@
 	switch (type) {
 		case MA_RAMP_BLEND:
 			r_col[0] = facm*(r_col[0]) + fac*col[0];
-			if(r_col[1]) {
-				r_col[1] = facm*(r_col[1]) + fac*col[1];
-				r_col[2] = facm*(r_col[2]) + fac*col[2];
-			}
-				break;
+			r_col[1] = facm*(r_col[1]) + fac*col[1];
+			r_col[2] = facm*(r_col[2]) + fac*col[2];
+			break;
 		case MA_RAMP_ADD:
 			r_col[0] += fac*col[0];
-			if(r_col[1]) {
-				r_col[1] += fac*col[1];
-				r_col[2] += fac*col[2];
-			}
-				break;
+			r_col[1] += fac*col[1];
+			r_col[2] += fac*col[2];
+			break;
 		case MA_RAMP_MULT:
 			r_col[0] *= (facm + fac*col[0]);
-			if(r_col[1]) {
-				r_col[1] *= (facm + fac*col[1]);
-				r_col[2] *= (facm + fac*col[2]);
-			}
-				break;
+			r_col[1] *= (facm + fac*col[1]);
+			r_col[2] *= (facm + fac*col[2]);
+			break;
 		case MA_RAMP_SCREEN:
 			r_col[0] = 1.0f - (facm + fac*(1.0f - col[0])) * (1.0f - r_col[0]);
-			if(r_col[1]) {
-				r_col[1] = 1.0f - (facm + fac*(1.0f - col[1])) * (1.0f - r_col[1]);
-				r_col[2] = 1.0f - (facm + fac*(1.0f - col[2])) * (1.0f - r_col[2]);
-			}
-				break;
+			r_col[1] = 1.0f - (facm + fac*(1.0f - col[1])) * (1.0f - r_col[1]);
+			r_col[2] = 1.0f - (facm + fac*(1.0f - col[2])) * (1.0f - r_col[2]);
+			break;
 		case MA_RAMP_OVERLAY:
 			if(r_col[0] < 0.5f)
 				r_col[0] *= (facm + 2.0f*fac*col[0]);
 			else
 				r_col[0] = 1.0f - (facm + 2.0f*fac*(1.0f - col[0])) * (1.0f - r_col[0]);
-			if(r_col[1]) {
-				if(r_col[1] < 0.5f)
-					r_col[1] *= (facm + 2.0f*fac*col[1]);
-				else
-					r_col[1] = 1.0f - (facm + 2.0f*fac*(1.0f - col[1])) * (1.0f - r_col[1]);
-				if(r_col[2] < 0.5f)
-					r_col[2] *= (facm + 2.0f*fac*col[2]);
-				else
-					r_col[2] = 1.0f - (facm + 2.0f*fac*(1.0f - col[2])) * (1.0f - r_col[2]);
-			}
-				break;
+			if(r_col[1] < 0.5f)
+				r_col[1] *= (facm + 2.0f*fac*col[1]);
+			else
+				r_col[1] = 1.0f - (facm + 2.0f*fac*(1.0f - col[1])) * (1.0f - r_col[1]);
+			if(r_col[2] < 0.5f)
+				r_col[2] *= (facm + 2.0f*fac*col[2]);
+			else
+				r_col[2] = 1.0f - (facm + 2.0f*fac*(1.0f - col[2])) * (1.0f - r_col[2]);
+			break;
 		case MA_RAMP_SUB:
 			r_col[0] -= fac*col[0];
-			if(r_col[1]) {
-				r_col[1] -= fac*col[1];
-				r_col[2] -= fac*col[2];
-			}
-				break;
+			r_col[1] -= fac*col[1];
+			r_col[2] -= fac*col[2];
+			break;
 		case MA_RAMP_DIV:
 			if(col[0]!=0.0f)
 				r_col[0] = facm*(r_col[0]) + fac*(r_col[0])/col[0];
-			if(r_col[1]) {
-				if(col[1]!=0.0f)
-					r_col[1] = facm*(r_col[1]) + fac*(r_col[1])/col[1];
-				if(col[2]!=0.0f)
-					r_col[2] = facm*(r_col[2]) + fac*(r_col[2])/col[2];
-			}
-				break;
+			if(col[1]!=0.0f)
+				r_col[1] = facm*(r_col[1]) + fac*(r_col[1])/col[1];
+			if(col[2]!=0.0f)
+				r_col[2] = facm*(r_col[2]) + fac*(r_col[2])/col[2];
+			break;
 		case MA_RAMP_DIFF:
 			r_col[0] = facm*(r_col[0]) + fac*fabsf(r_col[0]-col[0]);
-			if(r_col[1]) {
-				r_col[1] = facm*(r_col[1]) + fac*fabsf(r_col[1]-col[1]);
-				r_col[2] = facm*(r_col[2]) + fac*fabsf(r_col[2]-col[2]);
-			}
-				break;
+			r_col[1] = facm*(r_col[1]) + fac*fabsf(r_col[1]-col[1]);
+			r_col[2] = facm*(r_col[2]) + fac*fabsf(r_col[2]-col[2]);
+			break;
 		case MA_RAMP_DARK:
-			tmp=col[0]+((1-col[0])*facm); 
+			tmp=col[0]+((1-col[0])*facm);
 			if(tmp < r_col[0]) r_col[0]= tmp;
-			if(r_col[1]) {
-				tmp=col[1]+((1-col[1])*facm); 
-				if(tmp < r_col[1]) r_col[1]= tmp;
-				tmp=col[2]+((1-col[2])*facm); 
-				if(tmp < r_col[2]) r_col[2]= tmp;
-			} 
-				break; 
+			tmp=col[1]+((1-col[1])*facm);
+			if(tmp < r_col[1]) r_col[1]= tmp;
+			tmp=col[2]+((1-col[2])*facm);
+			if(tmp < r_col[2]) r_col[2]= tmp;
+			break;
 		case MA_RAMP_LIGHT:
 			tmp= fac*col[0];
 			if(tmp > r_col[0]) r_col[0]= tmp;
-				if(r_col[1]) {
-					tmp= fac*col[1];
-					if(tmp > r_col[1]) r_col[1]= tmp;
-					tmp= fac*col[2];
-					if(tmp > r_col[2]) r_col[2]= tmp;
-				}
-					break;	
-		case MA_RAMP_DODGE:			
-			
-				
+				tmp= fac*col[1];
+				if(tmp > r_col[1]) r_col[1]= tmp;
+				tmp= fac*col[2];
+				if(tmp > r_col[2]) r_col[2]= tmp;
+				break;
+		case MA_RAMP_DODGE:
 			if(r_col[0] !=0.0f){
 				tmp = 1.0f - fac*col[0];
 				if(tmp <= 0.0f)
 					r_col[0] = 1.0f;
 				else if ((tmp = (r_col[0]) / tmp)> 1.0f)
 					r_col[0] = 1.0f;
-				else 
+				else
 					r_col[0] = tmp;
 			}
-			if(r_col[1]) {
-				if(r_col[1] !=0.0f){
-					tmp = 1.0f - fac*col[1];
-					if(tmp <= 0.0f )
-						r_col[1] = 1.0f;
-					else if ((tmp = (r_col[1]) / tmp) > 1.0f )
-						r_col[1] = 1.0f;
-					else
-						r_col[1] = tmp;
-				}
-				if(r_col[2] !=0.0f){
-					tmp = 1.0f - fac*col[2];
-					if(tmp <= 0.0f)
-						r_col[2] = 1.0f;
-					else if ((tmp = (r_col[2]) / tmp) > 1.0f )
-						r_col[2] = 1.0f;
-					else
-						r_col[2] = tmp;
-				}
-
+			if(r_col[1] !=0.0f){
+				tmp = 1.0f - fac*col[1];
+				if(tmp <= 0.0f )
+					r_col[1] = 1.0f;
+				else if ((tmp = (r_col[1]) / tmp) > 1.0f )
+					r_col[1] = 1.0f;
+				else
+					r_col[1] = tmp;
 			}
-				break;	
+			if(r_col[2] !=0.0f){
+				tmp = 1.0f - fac*col[2];
+				if(tmp <= 0.0f)
+					r_col[2] = 1.0f;
+				else if ((tmp = (r_col[2]) / tmp) > 1.0f )
+					r_col[2] = 1.0f;
+				else
+					r_col[2] = tmp;
+			}
+			break;
 		case MA_RAMP_BURN:
-			
 			tmp = facm + fac*col[0];
-			
+
 			if(tmp <= 0.0f)
 				r_col[0] = 0.0f;
 			else if (( tmp = (1.0f - (1.0f - (r_col[0])) / tmp )) < 0.0f)
 					r_col[0] = 0.0f;
 			else if (tmp > 1.0f)
 				r_col[0]=1.0f;
-			else 
+			else
 				r_col[0] = tmp;
 
-			if(r_col[1]) {
-				tmp = facm + fac*col[1];
-				if(tmp <= 0.0f)
+			tmp = facm + fac*col[1];
+			if(tmp <= 0.0f)
+				r_col[1] = 0.0f;
+			else if (( tmp = (1.0f - (1.0f - (r_col[1])) / tmp )) < 0.0f )
 					r_col[1] = 0.0f;
-				else if (( tmp = (1.0f - (1.0f - (r_col[1])) / tmp )) < 0.0f )
-						r_col[1] = 0.0f;
-				else if(tmp >1.0f)
-					r_col[1]=1.0f;
-				else
-					r_col[1] = tmp;
+			else if(tmp >1.0f)
+				r_col[1]=1.0f;
+			else
+				r_col[1] = tmp;
 
-					tmp = facm + fac*col[2];
-					if(tmp <= 0.0f)
+				tmp = facm + fac*col[2];
+				if(tmp <= 0.0f)
+				r_col[2] = 0.0f;
+			else if (( tmp = (1.0f - (1.0f - (r_col[2])) / tmp )) < 0.0f  )
 					r_col[2] = 0.0f;
-				else if (( tmp = (1.0f - (1.0f - (r_col[2])) / tmp )) < 0.0f  )
-						r_col[2] = 0.0f;
-				else if(tmp >1.0f)
-					r_col[2]= 1.0f;
-				else
-					r_col[2] = tmp;
-			}
-				break;
-		case MA_RAMP_HUE:		
-			if(r_col[1]){
+			else if(tmp >1.0f)
+				r_col[2]= 1.0f;
+			else
+				r_col[2] = tmp;
+			break;
+		case MA_RAMP_HUE:
+			{
 				float rH,rS,rV;
-				float colH,colS,colV; 
+				float colH,colS,colV;
 				float tmpr,tmpg,tmpb;
 				rgb_to_hsv(col[0],col[1],col[2],&colH,&colS,&colV);
 				if(colS!=0 ){
@@ -1356,9 +1327,9 @@
 					r_col[2] = facm*(r_col[2]) + fac*tmpb;
 				}
 			}
-				break;
-		case MA_RAMP_SAT:		
-			if(r_col[1]){
+			break;
+		case MA_RAMP_SAT:
+			{
 				float rH,rS,rV;
 				float colH,colS,colV;
 				rgb_to_hsv(r_col[0],r_col[1],r_col[2],&rH,&rS,&rV);
@@ -1367,18 +1338,18 @@
 					hsv_to_rgb( rH, (facm*rS +fac*colS), rV, r_col+0, r_col+1, r_col+2);
 				}
 			}
-				break;
-		case MA_RAMP_VAL:		
-			if(r_col[1]){
+			break;
+		case MA_RAMP_VAL:
+			{
 				float rH,rS,rV;
 				float colH,colS,colV;
 				rgb_to_hsv(r_col[0],r_col[1],r_col[2],&rH,&rS,&rV);
 				rgb_to_hsv(col[0],col[1],col[2],&colH,&colS,&colV);
 				hsv_to_rgb( rH, rS, (facm*rV +fac*colV), r_col+0, r_col+1, r_col+2);
 			}
-				break;
-		case MA_RAMP_COLOR:		
-			if(r_col[1]){
+			break;
+		case MA_RAMP_COLOR:
+			{
 				float rH,rS,rV;
 				float colH,colS,colV;
 				float tmpr,tmpg,tmpb;
@@ -1391,12 +1362,12 @@
 					r_col[2] = facm*(r_col[2]) + fac*tmpb;
 				}
 			}
-				break;
-		case MA_RAMP_SOFT: 
-			if (r_col[1]){
-				float scr, scg, scb; 
+			break;
+		case MA_RAMP_SOFT:
+			{
+				float scr, scg, scb;
 
-				/* first calculate non-fac based Screen mix */ 
+				/* first calculate non-fac based Screen mix */
 				scr = 1.0f - (1.0f - col[0]) * (1.0f - r_col[0]);
 				scg = 1.0f - (1.0f - col[1]) * (1.0f - r_col[1]);
 				scb = 1.0f - (1.0f - col[2]) * (1.0f - r_col[2]);
@@ -1404,25 +1375,23 @@
 				r_col[0] = facm*(r_col[0]) + fac*(((1.0f - r_col[0]) * col[0] * (r_col[0])) + (r_col[0] * scr));
 				r_col[1] = facm*(r_col[1]) + fac*(((1.0f - r_col[1]) * col[1] * (r_col[1])) + (r_col[1] * scg));
 				r_col[2] = facm*(r_col[2]) + fac*(((1.0f - r_col[2]) * col[2] * (r_col[2])) + (r_col[2] * scb));
-			} 
-				break; 
-		case MA_RAMP_LINEAR: 
-			if (col[0] > 0.5f)  
+			}
+			break;
+		case MA_RAMP_LINEAR:
+			if (col[0] > 0.5f)
 				r_col[0] = r_col[0] + fac*(2.0f*(col[0]-0.5f));
-			else  
+			else
 				r_col[0] = r_col[0] + fac*(2.0f*(col[0]) - 1.0f);
-			if (r_col[1]){
-				if (col[1] > 0.5f)  
-					r_col[1] = r_col[1] + fac*(2.0f*(col[1]-0.5f));
-				else  
-					r_col[1] = r_col[1] + fac*(2.0f*(col[1]) -1.0f);
-				if (col[2] > 0.5f)  
-					r_col[2] = r_col[2] + fac*(2.0f*(col[2]-0.5f));
-				else  
-					r_col[2] = r_col[2] + fac*(2.0f*(col[2]) - 1.0f);
-			} 
-				break; 
-	}	
+			if (col[1] > 0.5f)
+				r_col[1] = r_col[1] + fac*(2.0f*(col[1]-0.5f));
+			else
+				r_col[1] = r_col[1] + fac*(2.0f*(col[1]) -1.0f);
+			if (col[2] > 0.5f)
+				r_col[2] = r_col[2] + fac*(2.0f*(col[2]-0.5f));
+			else
+				r_col[2] = r_col[2] + fac*(2.0f*(col[2]) - 1.0f);
+			break;
+	}
 }
 
 /* copy/paste buffer, if we had a propper py api that would be better */




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