Revision: 15172
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=15172
Author: campbellbarton
Date: 2008-06-09 17:45:46 +0200 (Mon, 09 Jun 2008)
Log Message:
-----------
adding clip alpha (binary alpha) to the 3D view and game engine.
Modified Paths:
--------------
trunk/blender/source/blender/makesdna/DNA_meshdata_types.h
trunk/blender/source/blender/src/buttons_editing.c
trunk/blender/source/blender/src/drawmesh.c
trunk/blender/source/gameengine/GamePlayer/common/GPC_PolygonMaterial.cpp
trunk/blender/source/gameengine/Ketsji/KX_BlenderMaterial.cpp
Modified: trunk/blender/source/blender/makesdna/DNA_meshdata_types.h
===================================================================
--- trunk/blender/source/blender/makesdna/DNA_meshdata_types.h 2008-06-09
14:04:19 UTC (rev 15171)
+++ trunk/blender/source/blender/makesdna/DNA_meshdata_types.h 2008-06-09
15:45:46 UTC (rev 15172)
@@ -229,14 +229,16 @@
#define TF_SHADOW 8192
#define TF_BMFONT 16384
-/* mtface->transp */
+/* mtface->transp, values 1-4 are used as flags in the GL, WARNING, TF_SUB
cant work with this */
#define TF_SOLID 0
#define TF_ADD 1
#define TF_ALPHA 2
+#define TF_CLIP 4 /* clipmap alpha/binary alpha all or nothing!
*/
/* sub is not available in the user interface anymore */
#define TF_SUB 3
+
/* mtface->unwrap */
#define TF_DEPRECATED1 1
#define TF_DEPRECATED2 2
Modified: trunk/blender/source/blender/src/buttons_editing.c
===================================================================
--- trunk/blender/source/blender/src/buttons_editing.c 2008-06-09 14:04:19 UTC
(rev 15171)
+++ trunk/blender/source/blender/src/buttons_editing.c 2008-06-09 15:45:46 UTC
(rev 15172)
@@ -6235,6 +6235,7 @@
uiDefButC(block, ROW, REDRAWVIEW3D, "Opaque", 600,80,60,19,
&tf->transp, 2.0, (float)TF_SOLID,0, 0, "Render color of textured face as
color");
uiDefButC(block, ROW, REDRAWVIEW3D, "Add",
660,80,60,19, &tf->transp, 2.0, (float)TF_ADD, 0, 0, "Render face transparent
and add color of face");
uiDefButC(block, ROW, REDRAWVIEW3D, "Alpha", 720,80,60,19,
&tf->transp, 2.0, (float)TF_ALPHA,0, 0, "Render polygon transparent, depending
on alpha channel of the texture");
+ uiDefButC(block, ROW, REDRAWVIEW3D, "Clip Alpha",
780,80,80,19, &tf->transp, 2.0, (float)TF_CLIP,0, 0, "Use the images alpha
values clipped with no blending (binary alpha)");
}
else
uiDefBut(block,LABEL,B_NOP, "(No Active Face)",
10,200,150,19,0,0,0,0,0,"");
Modified: trunk/blender/source/blender/src/drawmesh.c
===================================================================
--- trunk/blender/source/blender/src/drawmesh.c 2008-06-09 14:04:19 UTC (rev
15171)
+++ trunk/blender/source/blender/src/drawmesh.c 2008-06-09 15:45:46 UTC (rev
15172)
@@ -228,13 +228,14 @@
alphamode= tface->transp;
if(alphamode) {
- glEnable(GL_BLEND);
-
if(alphamode==TF_ADD) {
+ glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
+ glDisable ( GL_ALPHA_TEST );
/* glBlendEquationEXT(GL_FUNC_ADD_EXT); */
}
else if(alphamode==TF_ALPHA) {
+ glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,
GL_ONE_MINUS_SRC_ALPHA);
/* added after 2.45 to clip alpha */
@@ -245,9 +246,12 @@
glEnable ( GL_ALPHA_TEST );
glAlphaFunc ( GL_GREATER, U.glalphaclip
);
}
-
+ } else if (alphamode==TF_CLIP){
+ glDisable(GL_BLEND);
+ glEnable ( GL_ALPHA_TEST );
+ glAlphaFunc(GL_GREATER, 0.5f);
+ }
/* glBlendEquationEXT(GL_FUNC_ADD_EXT); */
- }
/* else { */
/* glBlendFunc(GL_ONE, GL_ONE); */
/*
glBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT); */
Modified:
trunk/blender/source/gameengine/GamePlayer/common/GPC_PolygonMaterial.cpp
===================================================================
--- trunk/blender/source/gameengine/GamePlayer/common/GPC_PolygonMaterial.cpp
2008-06-09 14:04:19 UTC (rev 15171)
+++ trunk/blender/source/gameengine/GamePlayer/common/GPC_PolygonMaterial.cpp
2008-06-09 15:45:46 UTC (rev 15172)
@@ -154,16 +154,23 @@
fAlphamode= tface->transp;
if(fAlphamode) {
- glEnable(GL_BLEND);
-
if(fAlphamode==TF_ADD) {
+ glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
+ glDisable ( GL_ALPHA_TEST );
/* glBlendEquationEXT(GL_FUNC_ADD_EXT); */
}
else if(fAlphamode==TF_ALPHA) {
+ glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,
GL_ONE_MINUS_SRC_ALPHA);
+ glDisable ( GL_ALPHA_TEST );
/* glBlendEquationEXT(GL_FUNC_ADD_EXT); */
}
+ else if (alphamode==TF_CLIP){
+ glDisable(GL_BLEND);
+ glEnable ( GL_ALPHA_TEST );
+ glAlphaFunc(GL_GREATER, 0.5f);
+ }
/* else { */
/* glBlendFunc(GL_ONE, GL_ONE); */
/*
glBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT); */
Modified: trunk/blender/source/gameengine/Ketsji/KX_BlenderMaterial.cpp
===================================================================
--- trunk/blender/source/gameengine/Ketsji/KX_BlenderMaterial.cpp
2008-06-09 14:04:19 UTC (rev 15171)
+++ trunk/blender/source/gameengine/Ketsji/KX_BlenderMaterial.cpp
2008-06-09 15:45:46 UTC (rev 15172)
@@ -478,16 +478,23 @@
if( mMaterial->transp &TF_ADD) {
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
+ glDisable ( GL_ALPHA_TEST );
return true;
}
if( mMaterial->transp & TF_ALPHA ) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glDisable ( GL_ALPHA_TEST );
return true;
}
- glDisable(GL_BLEND);
+ if( mMaterial->transp & TF_CLIP ) {
+ glDisable(GL_BLEND);
+ glEnable ( GL_ALPHA_TEST );
+ glAlphaFunc(GL_GREATER, 0.5f);
+ return true;
+ }
return false;
}
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