src/gallium/state_trackers/nine/vertexdeclaration9.h

   1 /*
   2  * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 #ifndef _NINE_VERTEXDECLARATION9_H_
  24 #define _NINE_VERTEXDECLARATION9_H_
  25
  26 #include "nine_defines.h"
  27 #include "iunknown.h"
  28
  29 struct pipe_resource;
  30 struct pipe_vertex_element;
  31 struct pipe_stream_output_info;
  32 struct NineDevice9;
  33 struct NineVertexBuffer9;
  34
  35 struct NineVertexDeclaration9
  36 {
  37     struct NineUnknown base;
  38
  39     /* G3D state */
  40     struct pipe_vertex_element *elems;
  41     unsigned nelems;
  42
  43     /* index -> DECLUSAGE, for selecting the vertex element
  44      * for each VS input */
  45     uint16_t *usage_map;
  46
  47     D3DVERTEXELEMENT9 *decls;
  48     DWORD fvf;
  49
  50     BOOL position_t;
  51 };
  52 static inline struct NineVertexDeclaration9 *
  53 NineVertexDeclaration9( void *data )
  54 {
  55     return (struct NineVertexDeclaration9 *)data;
  56 }
  57
  58 HRESULT
  59 NineVertexDeclaration9_new( struct NineDevice9 *pDevice,
  60                             const D3DVERTEXELEMENT9 *pElements,
  61                             struct NineVertexDeclaration9 **ppOut );
  62
  63 HRESULT
  64 NineVertexDeclaration9_new_from_fvf( struct NineDevice9 *pDevice,
  65                                      DWORD FVF,
  66                                      struct NineVertexDeclaration9 **ppOut );
  67
  68 HRESULT
  69 NineVertexDeclaration9_ctor( struct NineVertexDeclaration9 *This,
  70                              struct NineUnknownParams *pParams,
  71                              const D3DVERTEXELEMENT9 *pElements );
  72
  73 void
  74 NineVertexDeclaration9_dtor( struct NineVertexDeclaration9 *This );
  75
  76 HRESULT NINE_WINAPI
  77 NineVertexDeclaration9_GetDeclaration( struct NineVertexDeclaration9 *This,
  78                                        D3DVERTEXELEMENT9 *pElement,
  79                                        UINT *pNumElements );
  80
  81 /* Convert stream output data to the vertex declaration's format. */
  82 HRESULT
  83 NineVertexDeclaration9_ConvertStreamOutput(
  84     struct NineVertexDeclaration9 *This,
  85     struct NineVertexBuffer9 *pDstBuf,
  86     UINT DestIndex,
  87     UINT VertexCount,
  88     struct pipe_resource *pSrcBuf,
  89     const struct pipe_stream_output_info *so );
  90
  91 #endif /* _NINE_VERTEXDECLARATION9_H_ */