1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * Copyright 2014-2015 VMware, Inc., Palo Alto, CA., USA 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 extern u32 vmw_view_dirtying(struct vmw_resource *res); 161 #endif 162