- renderer currently uses links into tface structures that actually

are owned by mesh (or displistmesh)... this causes problems for
   adapting to systems that build tfaces on the fly. Added RE_findTFace
   function to allow allocating tfaces inside renderer itself.

source/blender/render/extern/include/render.h

@@ -191,6 +191,7 @@ void ramp_spec_result(float *specr, float *specg, float *specb, ShadeInput *shi)
 struct VlakRen *RE_findOrAddVlak(int nr);
 struct VertRen *RE_findOrAddVert(int nr);
 struct HaloRen *RE_findOrAddHalo(int nr);
+struct TFace *RE_findTFace(void);
 HaloRen *RE_inithalo(struct Material *ma, float *vec, float *vec1, float *orco, float hasize, 
 					float vectsize, int seed);
 

source/blender/render/extern/include/render_types.h

@@ -51,6 +51,17 @@
 
 /* ------------------------------------------------------------------------- */
 
+struct TFace;
+
+typedef struct TFaceBlock TFaceBlock;
+
+struct TFaceBlock {
+	TFaceBlock *next;
+
+	struct TFace *tfaces;
+	int numAvail;
+};
+
 /* localized texture result data */
 typedef struct TexResult {
 	float tin, tr, tg, tb, ta;
@@ -139,7 +150,8 @@ typedef struct RE_Render
 	struct VlakRen **blovl;
 	struct VertRen **blove;
 	struct HaloRen **bloha;
-	
+	struct TFaceBlock *tfaceBlocks;
+
 	int *rectaccu;
 	int *rectz; /* z buffer: distance buffer */
 	unsigned int *rectf1, *rectf2;