diff options
author | Keith Whitwell <[email protected]> | 2008-02-15 11:18:04 +0000 |
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committer | Keith Whitwell <[email protected]> | 2008-02-15 11:18:04 +0000 |
commit | 30d0bacf7aecfb6013ddd665d7385209899eeebd (patch) | |
tree | ce764e101617349add47e4250aed1adde8b6407e /src/gallium/auxiliary/draw/draw_vbuf.h | |
parent | 6ac2c1cc0cd1253ba2014d459010032127f185ec (diff) | |
parent | 66f22aa3bf7fa546e946b45156aa578e202982c9 (diff) |
Merge commit 'origin/gallium-0.1' into gallium-0.1
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vbuf.h')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_vbuf.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vbuf.h b/src/gallium/auxiliary/draw/draw_vbuf.h new file mode 100644 index 00000000000..cfd2b9820c1 --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_vbuf.h @@ -0,0 +1,106 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/** + * \file + * Vertex buffer drawing stage. + * + * \author Keith Whitwell <[email protected]> + * \author Jos� Fonseca <[email protected]> + */ + +#ifndef DRAW_VBUF_H_ +#define DRAW_VBUF_H_ + + +#include "pipe/p_util.h" + + +struct draw_context; +struct vertex_info; + + +/** + * Interface for hardware vertex buffer rendering. + */ +struct vbuf_render { + + /** + * Driver limits. May be tuned lower to improve cache hits on + * index list. + */ + unsigned max_indices; + unsigned max_vertex_buffer_bytes; + + /** + * Get the hardware vertex format. + * + * XXX: have this in draw_context instead? + */ + const struct vertex_info *(*get_vertex_info)( struct vbuf_render * ); + + /** + * Request a destination for vertices. + * Hardware renderers will use ttm memory, others will just malloc + * something. + */ + void *(*allocate_vertices)( struct vbuf_render *, + ushort vertex_size, + ushort nr_vertices ); + + /** + * Notify the renderer of the current primitive when it changes. + * Prim is restricted to TRIANGLES, LINES and POINTS. + */ + void (*set_primitive)( struct vbuf_render *, unsigned prim ); + + /** + * DrawElements, note indices are ushort: + */ + void (*draw)( struct vbuf_render *, + const ushort *indices, + uint nr_indices ); + + /** + * Called when vbuf is done with this set of vertices: + */ + void (*release_vertices)( struct vbuf_render *, + void *vertices, + unsigned vertex_size, + unsigned vertices_used ); + + void (*destroy)( struct vbuf_render * ); +}; + + + +struct draw_stage * +draw_vbuf_stage( struct draw_context *draw, + struct vbuf_render *render ); + + +#endif /*DRAW_VBUF_H_*/ |