src/gallium/drivers/svga/svga_swtnl_private.h

   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
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   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
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  13  * included in all copies or substantial portions of the Software.
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  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    unsigned prim;
  47
  48    struct pipe_resource *vbuf;
  49    struct pipe_resource *ibuf;
  50    struct pipe_transfer *vbuf_transfer;
  51    struct pipe_transfer *ibuf_transfer;
  52
  53    /* current size of buffer */
  54    size_t vbuf_size;
  55    size_t ibuf_size;
  56
  57    /* size of that the buffer should be */
  58    size_t vbuf_alloc_size;
  59    size_t ibuf_alloc_size;
  60
  61    /* current write place */
  62    size_t vbuf_offset;
  63    size_t ibuf_offset;
  64
  65    /* currently used */
  66    size_t vbuf_used;
  67
  68    SVGA3dVertexDecl vdecl[PIPE_MAX_ATTRIBS];
  69    unsigned vdecl_offset;
  70    unsigned vdecl_count;
  71
  72    ushort min_index;
  73    ushort max_index;
  74 };
  75
  76 /**
  77  * Basically a cast wrapper.
  78  */
  79 static INLINE struct svga_vbuf_render *
  80 svga_vbuf_render( struct vbuf_render *render )
  81 {
  82    assert(render);
  83    return (struct svga_vbuf_render *)render;
  84 }
  85
  86
  87 struct vbuf_render *
  88 svga_vbuf_render_create( struct svga_context *svga );
  89
  90
  91 int
  92 svga_swtnl_update_vdecl( struct svga_context *svga );
  93
  94
  95 #endif