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 struct nine_vs_output_info;
  35
  36 struct NineVertexDeclaration9
  37 {
  38     struct NineUnknown base;
  39
  40     /* G3D state */
  41     struct pipe_vertex_element *elems;
  42     unsigned nelems;
  43
  44     /* index -> DECLUSAGE, for selecting the vertex element
  45      * for each VS input */
  46     uint16_t *usage_map;
  47
  48     D3DVERTEXELEMENT9 *decls;
  49     DWORD fvf;
  50
  51     BOOL position_t;
  52 };
  53 static inline struct NineVertexDeclaration9 *
  54 NineVertexDeclaration9( void *data )
  55 {
  56     return (struct NineVertexDeclaration9 *)data;
  57 }
  58
  59 HRESULT
  60 NineVertexDeclaration9_new( struct NineDevice9 *pDevice,
  61                             const D3DVERTEXELEMENT9 *pElements,
  62                             struct NineVertexDeclaration9 **ppOut );
  63
  64 HRESULT
  65 NineVertexDeclaration9_new_from_fvf( struct NineDevice9 *pDevice,
  66                                      DWORD FVF,
  67                                      struct NineVertexDeclaration9 **ppOut );
  68
  69 HRESULT
  70 NineVertexDeclaration9_ctor( struct NineVertexDeclaration9 *This,
  71                              struct NineUnknownParams *pParams,
  72                              const D3DVERTEXELEMENT9 *pElements );
  73
  74 void
  75 NineVertexDeclaration9_dtor( struct NineVertexDeclaration9 *This );
  76
  77 HRESULT NINE_WINAPI
  78 NineVertexDeclaration9_GetDeclaration( struct NineVertexDeclaration9 *This,
  79                                        D3DVERTEXELEMENT9 *pElement,
  80                                        UINT *pNumElements );
  81
  82 void
  83 NineVertexDeclaration9_FillStreamOutputInfo(
  84     struct NineVertexDeclaration9 *This,
  85     struct nine_vs_output_info *ShaderOutputsInfo,
  86     unsigned numOutputs,
  87     struct pipe_stream_output_info *so );
  88
  89 /* Convert stream output data to the vertex declaration's format. */
  90 HRESULT
  91 NineVertexDeclaration9_ConvertStreamOutput(
  92     struct NineVertexDeclaration9 *This,
  93     struct NineVertexBuffer9 *pDstBuf,
  94     UINT DestIndex,
  95     UINT VertexCount,
  96     void *pSrcBuf,
  97     const struct pipe_stream_output_info *so );
  98
  99 #endif /* _NINE_VERTEXDECLARATION9_H_ */