[Bf-blender-cvs] [5f76dea] master: Fix erase alpha not having any output on viewport after last commit.

[Antony Riakiotakis]

Commit: 5f76dea30d2981ce3190af3cc9c67b4563ea71db
Author: Antony Riakiotakis
Date:   Tue Sep 2 16:48:43 2014 +0200
Branches: master
https://developer.blender.org/rB5f76dea30d2981ce3190af3cc9c67b4563ea71db

Fix erase alpha not having any output on viewport after last commit.

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

M       source/blender/editors/space_view3d/drawmesh.c

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

diff --git a/source/blender/editors/space_view3d/drawmesh.c 
b/source/blender/editors/space_view3d/drawmesh.c
index d919db7..fb97a6a 100644
--- a/source/blender/editors/space_view3d/drawmesh.c
+++ b/source/blender/editors/space_view3d/drawmesh.c
@@ -306,6 +306,12 @@ static bool set_draw_settings_cached(int clearcache, 
MTFace *texface, Material *
                                c_badtex = false;
                                if (GPU_verify_image(ima, NULL, 0, 1, 0, 
false)) {
                                        glEnable(GL_TEXTURE_2D);
+                                       glTexEnvi(GL_TEXTURE_ENV, 
GL_TEXTURE_ENV_MODE, GL_COMBINE);
+                                       glTexEnvi(GL_TEXTURE_ENV, 
GL_COMBINE_RGB, GL_MODULATE);
+                                       glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, 
GL_TEXTURE);
+                                       glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_RGB, 
GL_PRIMARY_COLOR);
+                                       glTexEnvi(GL_TEXTURE_ENV, 
GL_COMBINE_ALPHA, GL_REPLACE);
+                                       glTexEnvi(GL_TEXTURE_ENV, 
GL_SRC0_ALPHA, GL_TEXTURE);
                                        
                                        glActiveTexture(GL_TEXTURE1);
                                        glEnable(GL_TEXTURE_2D);
@@ -418,10 +424,10 @@ static void draw_textured_begin(Scene *scene, View3D 
*v3d, RegionView3D *rv3d, O
                glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_INTERPOLATE);
                glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_PREVIOUS);
                glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_RGB, GL_PRIMARY_COLOR);
-               glTexEnvi(GL_TEXTURE_ENV, GL_SRC2_RGB, GL_TEXTURE);
+               glTexEnvi(GL_TEXTURE_ENV, GL_SRC2_RGB, GL_PREVIOUS);
                glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_ALPHA);
                glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
-               glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_TEXTURE);
+               glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PREVIOUS);
                
                /* load the stencil texture here */
                if (Gtexdraw.stencil != NULL) {

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