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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* Authors
* Brian Paul
*/
#include "cell_context.h"
#include "cell_vbuf.h"
#include "pipe/draw/draw_vbuf.h"
/**
* Subclass of vbuf_render because we need a cell_context pointer in
* a few places.
*/
struct cell_vbuf_render
{
struct vbuf_render base;
struct cell_context *cell;
uint prim;
};
/** cast wrapper */
static struct cell_vbuf_render *
cell_vbuf_render(struct vbuf_render *vbr)
{
return (struct cell_vbuf_render *) vbr;
}
static const struct vertex_info *
cell_vbuf_get_vertex_info(struct vbuf_render *vbr)
{
struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr);
return &cvbr->cell->vertex_info;
}
static void *
cell_vbuf_allocate_vertices(struct vbuf_render *vbr,
ushort vertex_size, ushort nr_vertices)
{
printf("Alloc verts %u * %u\n", vertex_size, nr_vertices);
return align_malloc(vertex_size * nr_vertices, 16);
}
static void
cell_vbuf_set_primitive(struct vbuf_render *vbr, unsigned prim)
{
struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr);
cvbr->prim = prim;
printf("cell_set_prim %u\n", prim);
}
static void
cell_vbuf_draw(struct vbuf_render *vbr,
const ushort *indices, unsigned nr_indices)
{
printf("cell_vbuf_draw nr_indices = %u\n", nr_indices);
}
static void
cell_vbuf_release_vertices(struct vbuf_render *vbr, void *vertices,
unsigned vertex_size, unsigned vertices_used)
{
printf("Free verts %u * %u\n", vertex_size, vertices_used);
align_free(vertices);
}
static void
cell_vbuf_destroy(struct vbuf_render *vbr)
{
struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr);
cvbr->cell->vbuf_render = NULL;
FREE(cvbr);
}
/**
* Initialize the post-transform vertex buffer information for the given
* context.
*/
void
cell_init_vbuf(struct cell_context *cell)
{
assert(cell->draw);
cell->vbuf_render = CALLOC_STRUCT(cell_vbuf_render);
cell->vbuf_render->base.max_indices = 100;
cell->vbuf_render->base.max_vertex_buffer_bytes = 16 * 1024;
cell->vbuf_render->base.get_vertex_info = cell_vbuf_get_vertex_info;
cell->vbuf_render->base.allocate_vertices = cell_vbuf_allocate_vertices;
cell->vbuf_render->base.set_primitive = cell_vbuf_set_primitive;
cell->vbuf_render->base.draw = cell_vbuf_draw;
cell->vbuf_render->base.release_vertices = cell_vbuf_release_vertices;
cell->vbuf_render->base.destroy = cell_vbuf_destroy;
cell->vbuf_render->cell = cell;
cell->vbuf = draw_vbuf_stage(cell->draw, &cell->vbuf_render->base);
}
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