8  * copy of this software and associated documentation files (the "Software"),
10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
109  * Shallow copy one vertex array to another.
126 check_flush(struct copy_context *copy)  in check_flush()  argument
128    GLenum mode = copy->dstprim[copy->dstprim_nr].mode;  in check_flush()
131        copy->dstelt_nr & 1) { /* see bug9962 */  in check_flush()
135    if (copy->dstbuf_nr + 4 > copy->dstbuf_size)  in check_flush()
138    if (copy->dstelt_nr + 4 > copy->dstelt_size)  in check_flush()
182 flush(struct copy_context *copy)  in flush()  argument
184    struct gl_context *ctx = copy->ctx;  in flush()
189    copy->dstib.count = copy->dstelt_nr;  in flush()
192    dump_draw_info(copy->dstarray,  in flush()
193                   copy->dstprim,  in flush()
194                   copy->dstprim_nr,  in flush()
195                   &copy->dstib);  in flush()
200    copy->draw(ctx,  in flush()
201               copy->dstarray,  in flush()
202               copy->dstprim,  in flush()
203               copy->dstprim_nr,  in flush()
204               &copy->dstib,  in flush()
207               copy->dstbuf_nr - 1,  in flush()
213    copy->dstprim_nr = 0;  in flush()
214    copy->dstelt_nr = 0;  in flush()
215    copy->dstbuf_nr = 0;  in flush()
216    copy->dstptr = copy->dstbuf;  in flush()
221       copy->vert_cache[i].in = ~0;  in flush()
229 begin(struct copy_context *copy, GLenum mode, GLboolean begin_flag)  in begin()  argument
231    struct _mesa_prim *prim = &copy->dstprim[copy->dstprim_nr];  in begin()
243 elt(struct copy_context *copy, GLuint elt_idx)  in elt()  argument
245    GLuint elt = copy->srcelt[elt_idx] + copy->prim->basevertex;  in elt()
251    if (copy->vert_cache[slot].in != elt) {  in elt()
252       GLubyte *csr = copy->dstptr;  in elt()
255       for (i = 0; i < copy->nr_varying; i++) {  in elt()
256          const struct tnl_vertex_array *srcarray = copy->varying[i].array;  in elt()
260             = copy->varying[i].src_ptr + elt * srcbinding->Stride;  in elt()
262          memcpy(csr, srcptr, copy->varying[i].size);  in elt()
263          csr += copy->varying[i].size;  in elt()
280             for (j = 0; j < copy->varying[i].size / 4; j++)  in elt()
286       copy->vert_cache[slot].in = elt;  in elt()
287       copy->vert_cache[slot].out = copy->dstbuf_nr++;  in elt()
288       copy->dstptr += copy->vertex_size;  in elt()
290       assert(csr == copy->dstptr);  in elt()
291       assert(copy->dstptr == (copy->dstbuf +  in elt()
292                               copy->dstbuf_nr * copy->vertex_size));  in elt()
295    copy->dstelt[copy->dstelt_nr++] = copy->vert_cache[slot].out;  in elt()
296    return check_flush(copy);  in elt()
304 end(struct copy_context *copy, GLboolean end_flag)  in end()  argument
306    struct _mesa_prim *prim = &copy->dstprim[copy->dstprim_nr];  in end()
309    prim->count = copy->dstelt_nr - prim->start;  in end()
311    if (++copy->dstprim_nr == MAX_PRIM || check_flush(copy)) {  in end()
312       flush(copy);  in end()
318 replay_elts(struct copy_context *copy)  in replay_elts()  argument
323    for (i = 0; i < copy->nr_prims; i++) {  in replay_elts()
324       const struct _mesa_prim *prim = &copy->prim[i];  in replay_elts()
335             begin(copy, GL_LINE_STRIP, prim->begin && j == 0);  in replay_elts()
338                split = elt(copy, start + j);  in replay_elts()
346                   (void)elt(copy, start + 0);  in replay_elts()
348                end(copy, prim->end);  in replay_elts()
354                end(copy, 0);  in replay_elts()
364             begin(copy, prim->mode, prim->begin && j == 0);  in replay_elts()
366             split = elt(copy, start+0);  in replay_elts()
369             split = elt(copy, start+j-1);  in replay_elts()
373                split = elt(copy, start+j);  in replay_elts()
375             end(copy, prim->end && j == prim->count);  in replay_elts()
391             begin(copy, prim->mode, prim->begin && j == 0);  in replay_elts()
395                split |= elt(copy, start+j);  in replay_elts()
401                   split |= elt(copy, start+j);  in replay_elts()
403             end(copy, prim->end && j == prim->count);  in replay_elts()
416    if (copy->dstprim_nr)  in replay_elts()
417       flush(copy);  in replay_elts()
422 replay_init(struct copy_context *copy)  in replay_init()  argument
424    struct gl_context *ctx = copy->ctx;  in replay_init()
432    copy->vertex_size = 0;  in replay_init()
434       const struct tnl_vertex_array *array = &copy->array[i];  in replay_init()
438          copy_vertex_array(&copy->dstarray[i], array);  in replay_init()
444          GLuint j = copy->nr_varying++;  in replay_init()
446          copy->varying[j].attr = i;  in replay_init()
447          copy->varying[j].array = &copy->array[i];  in replay_init()
448          copy->varying[j].size = attrib->Format._ElementSize;  in replay_init()
449          copy->vertex_size += attrib->Format._ElementSize;  in replay_init()
457             copy->varying[j].src_ptr =  in replay_init()
460             copy->varying[j].src_ptr = ptr;  in replay_init()
463          copy->dstarray[i].VertexAttrib = &copy->varying[j].dstattribs;  in replay_init()
464          copy->dstarray[i].BufferBinding = &copy->varying[j].dstbinding;  in replay_init()
472    if (copy->ib->obj) {  in replay_init()
473       if (!_mesa_bufferobj_mapped(copy->ib->obj, MAP_INTERNAL))  in replay_init()
474          ctx->Driver.MapBufferRange(ctx, 0, copy->ib->obj->Size, GL_MAP_READ_BIT,  in replay_init()
475                                     copy->ib->obj, MAP_INTERNAL);  in replay_init()
478          ADD_POINTERS(copy->ib->obj->Mappings[MAP_INTERNAL].Pointer,  in replay_init()
479                       copy->ib->ptr);  in replay_init()
481       srcptr = copy->ib->ptr;  in replay_init()
483    switch (copy->ib->index_size_shift) {  in replay_init()
485       copy->translated_elt_buf = malloc(sizeof(GLuint) * copy->ib->count);  in replay_init()
486       copy->srcelt = copy->translated_elt_buf;  in replay_init()
488       for (i = 0; i < copy->ib->count; i++)  in replay_init()
489          copy->translated_elt_buf[i] = ((const GLubyte *)srcptr)[i];  in replay_init()
493       copy->translated_elt_buf = malloc(sizeof(GLuint) * copy->ib->count);  in replay_init()
494       copy->srcelt = copy->translated_elt_buf;  in replay_init()
496       for (i = 0; i < copy->ib->count; i++)  in replay_init()
497          copy->translated_elt_buf[i] = ((const GLushort *)srcptr)[i];  in replay_init()
501       copy->translated_elt_buf = NULL;  in replay_init()
502       copy->srcelt = (const GLuint *)srcptr;  in replay_init()
508    if (copy->vertex_size * copy->limits->max_verts <= copy->limits->max_vb_size) {  in replay_init()
509       copy->dstbuf_size = copy->limits->max_verts;  in replay_init()
512       copy->dstbuf_size = copy->limits->max_vb_size / copy->vertex_size;  in replay_init()
519    copy->dstbuf = malloc(copy->dstbuf_size * copy->vertex_size);  in replay_init()
520    copy->dstptr = copy->dstbuf;  in replay_init()
524    for (offset = 0, i = 0; i < copy->nr_varying; i++) {  in replay_init()
525       const struct tnl_vertex_array *src = copy->varying[i].array;  in replay_init()
527       struct tnl_vertex_array *dst = &copy->dstarray[copy->varying[i].attr];  in replay_init()
528       struct gl_vertex_buffer_binding *dstbind = &copy->varying[i].dstbinding;  in replay_init()
529       struct gl_array_attributes *dstattr = &copy->varying[i].dstattribs;  in replay_init()
532       dstattr->Ptr = copy->dstbuf + offset;  in replay_init()
533       dstbind->Stride = copy->vertex_size;  in replay_init()
538       offset += copy->varying[i].size;  in replay_init()
543    copy->dstelt_size = MIN2(65536, copy->ib->count * 2 + 3);  in replay_init()
544    copy->dstelt_size = MIN2(copy->dstelt_size, copy->limits->max_indices);  in replay_init()
545    copy->dstelt = malloc(sizeof(GLuint) * copy->dstelt_size);  in replay_init()
546    copy->dstelt_nr = 0;  in replay_init()
551    copy->dstib.count = 0;        /* duplicates dstelt_nr */  in replay_init()
552    copy->dstib.index_size_shift = 2;  in replay_init()
553    copy->dstib.obj = NULL;  in replay_init()
554    copy->dstib.ptr = copy->dstelt;  in replay_init()
562 replay_finish(struct copy_context *copy)  in replay_finish()  argument
564    struct gl_context *ctx = copy->ctx;  in replay_finish()
568    free(copy->translated_elt_buf);  in replay_finish()
569    free(copy->dstbuf);  in replay_finish()
570    free(copy->dstelt);  in replay_finish()
573    for (i = 0; i < copy->nr_varying; i++) {  in replay_finish()
575          copy->varying[i].array->BufferBinding->BufferObj;  in replay_finish()
581    if (copy->ib->obj &&  in replay_finish()
582        _mesa_bufferobj_mapped(copy->ib->obj, MAP_INTERNAL)) {  in replay_finish()
583       ctx->Driver.UnmapBuffer(ctx, copy->ib->obj, MAP_INTERNAL);  in replay_finish()
600    struct copy_context copy;  in _tnl_split_copy()  local
614       memset(&copy, 0, sizeof(copy));  in _tnl_split_copy()
620       copy.ctx = ctx;  in _tnl_split_copy()
621       copy.array = arrays;  in _tnl_split_copy()
622       copy.prim = &prim[i];  in _tnl_split_copy()
623       copy.nr_prims = this_nr_prims;  in _tnl_split_copy()
624       copy.ib = ib;  in _tnl_split_copy()
625       copy.draw = draw;  in _tnl_split_copy()
626       copy.limits = limits;  in _tnl_split_copy()
631          copy.vert_cache[i].in = ~0;  in _tnl_split_copy()
633       replay_init(&copy);  in _tnl_split_copy()
634       replay_elts(&copy);  in _tnl_split_copy()
635       replay_finish(&copy);  in _tnl_split_copy()