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      1 /**********************************************************
      2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
      3  *
      4  * Permission is hereby granted, free of charge, to any person
      5  * obtaining a copy of this software and associated documentation
      6  * files (the "Software"), to deal in the Software without
      7  * restriction, including without limitation the rights to use, copy,
      8  * modify, merge, publish, distribute, sublicense, and/or sell copies
      9  * of the Software, and to permit persons to whom the Software is
     10  * furnished to do so, subject to the following conditions:
     11  *
     12  * The above copyright notice and this permission notice shall be
     13  * included in all copies or substantial portions of the Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     22  * SOFTWARE.
     23  *
     24  **********************************************************/
     25 
     26 #ifndef SVGA_SWTNL_PRIVATE_H
     27 #define SVGA_SWTNL_PRIVATE_H
     28 
     29 #include "svga_swtnl.h"
     30 #include "draw/draw_vertex.h"
     31 
     32 #include "svga_types.h"
     33 #include "svga3d_reg.h"
     34 
     35 /**
     36  * Primitive renderer for svga.
     37  */
     38 struct svga_vbuf_render {
     39    struct vbuf_render base;
     40 
     41    struct svga_context *svga;
     42    struct vertex_info vertex_info;
     43 
     44    unsigned vertex_size;
     45 
     46    SVGA3dElementLayoutId layout_id; /**< current element layout id */
     47 
     48    enum pipe_prim_type prim;
     49 
     50    struct pipe_resource *vbuf;
     51    struct pipe_resource *ibuf;
     52    struct pipe_transfer *vbuf_transfer;
     53    struct pipe_transfer *ibuf_transfer;
     54 
     55    void *vbuf_ptr;
     56 
     57    /* current size of buffer */
     58    size_t vbuf_size;
     59    size_t ibuf_size;
     60 
     61    /* size of that the buffer should be */
     62    size_t vbuf_alloc_size;
     63    size_t ibuf_alloc_size;
     64 
     65    /* current write place */
     66    size_t vbuf_offset;
     67    size_t ibuf_offset;
     68 
     69    /* currently used */
     70    size_t vbuf_used;
     71 
     72    SVGA3dVertexDecl vdecl[PIPE_MAX_ATTRIBS];
     73    unsigned vdecl_offset;
     74    unsigned vdecl_count;
     75 
     76    ushort min_index;
     77    ushort max_index;
     78 };
     79 
     80 /**
     81  * Basically a cast wrapper.
     82  */
     83 static inline struct svga_vbuf_render *
     84 svga_vbuf_render( struct vbuf_render *render )
     85 {
     86    assert(render);
     87    return (struct svga_vbuf_render *)render;
     88 }
     89 
     90 
     91 struct vbuf_render *
     92 svga_vbuf_render_create( struct svga_context *svga );
     93 
     94 
     95 enum pipe_error
     96 svga_swtnl_update_vdecl( struct svga_context *svga );
     97 
     98 
     99 #endif
    100