diff options
author | Keith Whitwell <[email protected]> | 2009-02-18 12:54:26 +0000 |
---|---|---|
committer | Keith Whitwell <[email protected]> | 2009-02-18 12:54:26 +0000 |
commit | 89e2b9c6c24e1a0b7690b9a7502b0ea198069d10 (patch) | |
tree | 520ef9752161f6f79851f8d44290baafd72c0a4d /src/gallium/drivers/softpipe | |
parent | ea4bf267e4b023b08043f91ac44592fed1736e7f (diff) | |
parent | b57031624ef94dd3128f989acabdffa2f2a32f57 (diff) |
Merge commit 'origin/draw-vbuf-interface'
Diffstat (limited to 'src/gallium/drivers/softpipe')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_prim_vbuf.c | 45 |
1 files changed, 32 insertions, 13 deletions
diff --git a/src/gallium/drivers/softpipe/sp_prim_vbuf.c b/src/gallium/drivers/softpipe/sp_prim_vbuf.c index 9cd5784e5bc..d56eed80a4f 100644 --- a/src/gallium/drivers/softpipe/sp_prim_vbuf.c +++ b/src/gallium/drivers/softpipe/sp_prim_vbuf.c @@ -60,6 +60,7 @@ struct softpipe_vbuf_render struct softpipe_context *softpipe; uint prim; uint vertex_size; + uint vertex_buffer_size; void *vertex_buffer; }; @@ -80,26 +81,44 @@ sp_vbuf_get_vertex_info(struct vbuf_render *vbr) } -static void * +static boolean sp_vbuf_allocate_vertices(struct vbuf_render *vbr, - ushort vertex_size, ushort nr_vertices) + ushort vertex_size, ushort nr_vertices) { struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr); - assert(!cvbr->vertex_buffer); - cvbr->vertex_buffer = align_malloc(vertex_size * nr_vertices, 16); + unsigned size = vertex_size * nr_vertices; + + if (cvbr->vertex_buffer_size < size) { + align_free(cvbr->vertex_buffer); + cvbr->vertex_buffer = align_malloc(size, 16); + cvbr->vertex_buffer_size = size; + } + cvbr->vertex_size = vertex_size; - return cvbr->vertex_buffer; + return cvbr->vertex_buffer != NULL; } - static void -sp_vbuf_release_vertices(struct vbuf_render *vbr, void *vertices, - unsigned vertex_size, unsigned vertices_used) +sp_vbuf_release_vertices(struct vbuf_render *vbr) +{ + /* keep the old allocation for next time */ +} + +static void * +sp_vbuf_map_vertices(struct vbuf_render *vbr) { struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr); - align_free(vertices); - assert(vertices == cvbr->vertex_buffer); - cvbr->vertex_buffer = NULL; + return cvbr->vertex_buffer; +} + +static void +sp_vbuf_unmap_vertices(struct vbuf_render *vbr, + ushort min_index, + ushort max_index ) +{ + struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr); + assert( cvbr->vertex_buffer_size >= (max_index+1) * cvbr->vertex_size ); + /* do nothing */ } @@ -115,8 +134,6 @@ sp_vbuf_set_primitive(struct vbuf_render *vbr, unsigned prim) setup_prepare( setup_ctx ); - - cvbr->prim = prim; return TRUE; @@ -394,6 +411,8 @@ sp_init_vbuf(struct softpipe_context *sp) sp->vbuf_render->base.get_vertex_info = sp_vbuf_get_vertex_info; sp->vbuf_render->base.allocate_vertices = sp_vbuf_allocate_vertices; + sp->vbuf_render->base.map_vertices = sp_vbuf_map_vertices; + sp->vbuf_render->base.unmap_vertices = sp_vbuf_unmap_vertices; sp->vbuf_render->base.set_primitive = sp_vbuf_set_primitive; sp->vbuf_render->base.draw = sp_vbuf_draw; sp->vbuf_render->base.draw_arrays = sp_vbuf_draw_arrays; |