Ignore vertex color when doing texture paint

It was totally useless to multiply diffuse color with the vertex color
when doing texture painting. It was masking actual texture and only was
forcing artists to create an empty vertex color layer to work this around.

1 files changed, 13 insertions, 10 deletions

diff --git a/source/blender/blenkernel/intern/subsurf_ccg.c b/source/blender/blenkernel/intern/subsurf_ccg.c
index a84b8352417..5fd418fadfc 100644
--- a/source/blender/blenkernel/intern/subsurf_ccg.c
+++ b/source/blender/blenkernel/intern/subsurf_ccg.c
@@ -3370,13 +3370,14 @@ static void ccgDM_drawFacesTex_common(DerivedMesh *dm,
 	CCGSubSurf *ss = ccgdm->ss;
 	CCGKey key;
 	int colType;
-	const  MLoopCol *mloopcol;
+	const MLoopCol *mloopcol = NULL;
 	MTexPoly *mtexpoly = DM_get_poly_data_layer(dm, CD_MTEXPOLY);
 	DMFlagMat *faceFlags = ccgdm->faceFlags;
 	DMDrawOption draw_option;
 	int i, totpoly;
 	bool flush;
-	bool use_tface = (flag & DM_DRAW_USE_ACTIVE_UV) != 0;
+	const bool use_tface = (flag & DM_DRAW_USE_ACTIVE_UV) != 0;
+	const bool use_colors = (flag & DM_DRAW_USE_COLORS) != 0;
 	unsigned int next_actualFace;
 	unsigned int gridFaces = ccgSubSurf_getGridSize(ss) - 1;
 	int mat_index;
@@ -3395,15 +3396,17 @@ static void ccgDM_drawFacesTex_common(DerivedMesh *dm,
 	CCG_key_top_level(&key, ss);
 	ccgdm_pbvh_update(ccgdm);
 
-	colType = CD_TEXTURE_MLOOPCOL;
-	mloopcol = dm->getLoopDataArray(dm, colType);
-	if (!mloopcol) {
-		colType = CD_PREVIEW_MLOOPCOL;
-		mloopcol = dm->getLoopDataArray(dm, colType);
-	}
-	if (!mloopcol) {
-		colType = CD_MLOOPCOL;
+	if (use_colors) {
+		colType = CD_TEXTURE_MLOOPCOL;
 		mloopcol = dm->getLoopDataArray(dm, colType);
+		if (!mloopcol) {
+			colType = CD_PREVIEW_MLOOPCOL;
+			mloopcol = dm->getLoopDataArray(dm, colType);
+		}
+		if (!mloopcol) {
+			colType = CD_MLOOPCOL;
+			mloopcol = dm->getLoopDataArray(dm, colType);
+		}
 	}
 
 	GPU_vertex_setup(dm);