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      1 /*
      2  * Copyright 2011 Joakim Sindholt <opensource (at) 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_ */
    100