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  1. /**************************************************************************
  2.  * Copyright © 2014-2015 VMware, Inc., Palo Alto, CA., USA
  3.  * All Rights Reserved.
  4.  *
  5.  * Permission is hereby granted, free of charge, to any person obtaining a
  6.  * copy of this software and associated documentation files (the
  7.  * "Software"), to deal in the Software without restriction, including
  8.  * without limitation the rights to use, copy, modify, merge, publish,
  9.  * distribute, sub license, and/or sell copies of the Software, and to
  10.  * permit persons to whom the Software is furnished to do so, subject to
  11.  * the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice (including the
  14.  * next paragraph) shall be included in all copies or substantial portions
  15.  * of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  20.  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  21.  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  22.  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  23.  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  24.  *
  25.  **************************************************************************/
  26. #ifndef VMW_SO_H
  27. #define VMW_SO_H
  28.  
  29. enum vmw_view_type {
  30.         vmw_view_sr,
  31.         vmw_view_rt,
  32.         vmw_view_ds,
  33.         vmw_view_max,
  34. };
  35.  
  36. enum vmw_so_type {
  37.         vmw_so_el,
  38.         vmw_so_bs,
  39.         vmw_so_ds,
  40.         vmw_so_rs,
  41.         vmw_so_ss,
  42.         vmw_so_so,
  43.         vmw_so_max,
  44. };
  45.  
  46. /**
  47.  * union vmw_view_destroy - view destruction command body
  48.  *
  49.  * @rtv: RenderTarget view destruction command body
  50.  * @srv: ShaderResource view destruction command body
  51.  * @dsv: DepthStencil view destruction command body
  52.  * @view_id: A single u32 view id.
  53.  *
  54.  * The assumption here is that all union members are really represented by a
  55.  * single u32 in the command stream. If that's not the case,
  56.  * the size of this union will not equal the size of an u32, and the
  57.  * assumption is invalid, and we detect that at compile time in the
  58.  * vmw_so_build_asserts() function.
  59.  */
  60. union vmw_view_destroy {
  61.         struct SVGA3dCmdDXDestroyRenderTargetView rtv;
  62.         struct SVGA3dCmdDXDestroyShaderResourceView srv;
  63.         struct SVGA3dCmdDXDestroyDepthStencilView dsv;
  64.         u32 view_id;
  65. };
  66.  
  67. /* Map enum vmw_view_type to view destroy command ids*/
  68. extern const u32 vmw_view_destroy_cmds[];
  69.  
  70. /* Map enum vmw_view_type to SVGACOTableType */
  71. extern const SVGACOTableType vmw_view_cotables[];
  72.  
  73. /* Map enum vmw_so_type to SVGACOTableType */
  74. extern const SVGACOTableType vmw_so_cotables[];
  75.  
  76. /*
  77.  * vmw_view_cmd_to_type - Return the view type for a create or destroy command
  78.  *
  79.  * @id: The SVGA3D command id.
  80.  *
  81.  * For a given view create or destroy command id, return the corresponding
  82.  * enum vmw_view_type. If the command is unknown, return vmw_view_max.
  83.  * The validity of the simplified calculation is verified in the
  84.  * vmw_so_build_asserts() function.
  85.  */
  86. static inline enum vmw_view_type vmw_view_cmd_to_type(u32 id)
  87. {
  88.         u32 tmp = (id - SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW) / 2;
  89.  
  90.         if (tmp > (u32)vmw_view_max)
  91.                 return vmw_view_max;
  92.  
  93.         return (enum vmw_view_type) tmp;
  94. }
  95.  
  96. /*
  97.  * vmw_so_cmd_to_type - Return the state object type for a
  98.  * create or destroy command
  99.  *
  100.  * @id: The SVGA3D command id.
  101.  *
  102.  * For a given state object create or destroy command id,
  103.  * return the corresponding enum vmw_so_type. If the command is uknown,
  104.  * return vmw_so_max. We should perhaps optimize this function using
  105.  * a similar strategy as vmw_view_cmd_to_type().
  106.  */
  107. static inline enum vmw_so_type vmw_so_cmd_to_type(u32 id)
  108. {
  109.         switch (id) {
  110.         case SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT:
  111.         case SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT:
  112.                 return vmw_so_el;
  113.         case SVGA_3D_CMD_DX_DEFINE_BLEND_STATE:
  114.         case SVGA_3D_CMD_DX_DESTROY_BLEND_STATE:
  115.                 return vmw_so_bs;
  116.         case SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE:
  117.         case SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE:
  118.                 return vmw_so_ds;
  119.         case SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE:
  120.         case SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE:
  121.                 return vmw_so_rs;
  122.         case SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE:
  123.         case SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE:
  124.                 return vmw_so_ss;
  125.         case SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT:
  126.         case SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT:
  127.                 return vmw_so_so;
  128.         default:
  129.                 break;
  130.         }
  131.         return vmw_so_max;
  132. }
  133.  
  134. /*
  135.  * View management - vmwgfx_so.c
  136.  */
  137. extern int vmw_view_add(struct vmw_cmdbuf_res_manager *man,
  138.                         struct vmw_resource *ctx,
  139.                         struct vmw_resource *srf,
  140.                         enum vmw_view_type view_type,
  141.                         u32 user_key,
  142.                         const void *cmd,
  143.                         size_t cmd_size,
  144.                         struct list_head *list);
  145.  
  146. extern int vmw_view_remove(struct vmw_cmdbuf_res_manager *man,
  147.                            u32 user_key, enum vmw_view_type view_type,
  148.                            struct list_head *list,
  149.                            struct vmw_resource **res_p);
  150.  
  151. extern void vmw_view_surface_list_destroy(struct vmw_private *dev_priv,
  152.                                           struct list_head *view_list);
  153. extern void vmw_view_cotable_list_destroy(struct vmw_private *dev_priv,
  154.                                           struct list_head *list,
  155.                                           bool readback);
  156. extern struct vmw_resource *vmw_view_srf(struct vmw_resource *res);
  157. extern struct vmw_resource *vmw_view_lookup(struct vmw_cmdbuf_res_manager *man,
  158.                                             enum vmw_view_type view_type,
  159.                                             u32 user_key);
  160. #endif
  161.