63 static void flush_vertex( struct split_context *split )  in flush_vertex()  argument
65    struct gl_context *ctx = split->ctx;  in flush_vertex()
70    if (!split->dstprim_nr)   in flush_vertex()
73    if (split->ib) {  in flush_vertex()
74       ib = *split->ib;  in flush_vertex()
76       ib.count = split->max_index - split->min_index + 1;  in flush_vertex()
78                               split->min_index * _mesa_sizeof_type(ib.type));  in flush_vertex()
81       for (i = 0; i < split->dstprim_nr; i++)  in flush_vertex()
82 	 split->dstprim[i].start -= split->min_index;  in flush_vertex()
85    assert(split->max_index >= split->min_index);  in flush_vertex()
87    ctx->Array._DrawArrays = split->array;  in flush_vertex()
90    split->draw(ctx,  in flush_vertex()
91 	       split->dstprim,  in flush_vertex()
92 	       split->dstprim_nr,  in flush_vertex()
93 	       split->ib ? &ib : NULL,  in flush_vertex()
94 	       !split->ib,  in flush_vertex()
95 	       split->min_index,  in flush_vertex()
96 	       split->max_index,  in flush_vertex()
102    split->dstprim_nr = 0;  in flush_vertex()
103    split->min_index = ~0;  in flush_vertex()
104    split->max_index = 0;  in flush_vertex()
108 static struct _mesa_prim *next_outprim( struct split_context *split )  in next_outprim()  argument
110    if (split->dstprim_nr == MAX_PRIM-1) {  in next_outprim()
111       flush_vertex(split);  in next_outprim()
115       struct _mesa_prim *prim = &split->dstprim[split->dstprim_nr++];  in next_outprim()
121 static void update_index_bounds(struct split_context *split,  in update_index_bounds()  argument
124    split->min_index = MIN2(split->min_index, prim->start);  in update_index_bounds()
125    split->max_index = MAX2(split->max_index, prim->start + prim->count - 1);  in update_index_bounds()
132 static GLuint get_max_vertices(struct split_context *split,  in get_max_vertices()  argument
135    if ((prim->start > split->min_index &&  in get_max_vertices()
136 	prim->start - split->min_index >= split->limit) ||  in get_max_vertices()
137        (prim->start < split->max_index &&  in get_max_vertices()
138         split->max_index - prim->start >= split->limit))  in get_max_vertices()
142    return MIN2(split->min_index, prim->start) + split->limit - prim->start;  in get_max_vertices()
148 static void split_prims( struct split_context *split)   in split_prims()  argument
152    for (i = 0; i < split->nr_prims; i++) {  in split_prims()
153       const struct _mesa_prim *prim = &split->prim[i];  in split_prims()
156       GLuint available = get_max_vertices(split, prim);  in split_prims()
164 	 flush_vertex(split);  in split_prims()
165 	 available = get_max_vertices(split, prim);  in split_prims()
169 	 struct _mesa_prim *outprim = next_outprim(split);  in split_prims()
172 	 update_index_bounds(split, outprim);  in split_prims()
179 	    struct _mesa_prim *outprim = next_outprim(split);  in split_prims()
192 	    update_index_bounds(split, outprim);  in split_prims()
203 	       flush_vertex(split);  in split_prims()
204 	       available = get_max_vertices(split, prim);  in split_prims()
208       else if (split->ib == NULL) {  in split_prims()
227 	 ib.obj = split->ctx->Shared->NullBufferObj;  in split_prims()
237 	 flush_vertex(split);  in split_prims()
239 	 vbo_split_copy(split->ctx,  in split_prims()
240 			split->array,  in split_prims()
243 			split->draw,  in split_prims()
244 			split->limits);  in split_prims()
249 	 flush_vertex(split);  in split_prims()
251 	 vbo_split_copy(split->ctx,  in split_prims()
252 			split->array,  in split_prims()
254 			split->ib,  in split_prims()
255 			split->draw,  in split_prims()
256 			split->limits);  in split_prims()
260    flush_vertex(split);  in split_prims()
274    struct split_context split;  in vbo_split_inplace()  local
276    memset(&split, 0, sizeof(split));  in vbo_split_inplace()
278    split.ctx = ctx;  in vbo_split_inplace()
279    split.array = arrays;  in vbo_split_inplace()
280    split.prim = prim;  in vbo_split_inplace()
281    split.nr_prims = nr_prims;  in vbo_split_inplace()
282    split.ib = ib;  in vbo_split_inplace()
285    split.min_index = ~0;  in vbo_split_inplace()
286    split.max_index = 0;  in vbo_split_inplace()
288    split.draw = draw;  in vbo_split_inplace()
289    split.limits = limits;  in vbo_split_inplace()
290    split.limit = ib ? limits->max_indices : limits->max_verts;  in vbo_split_inplace()
292    split_prims( &split );  in vbo_split_inplace()