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_ua,
34 vmw_view_max,
35 };
36
37 enum vmw_so_type {
38 vmw_so_el,
39 vmw_so_bs,
40 vmw_so_ds,
41 vmw_so_rs,
42 vmw_so_ss,
43 vmw_so_so,
44 vmw_so_max,
45 };
46
47 /**
48 * union vmw_view_destroy - view destruction command body
49 *
50 * @rtv: RenderTarget view destruction command body
51 * @srv: ShaderResource view destruction command body
52 * @dsv: DepthStencil view destruction command body
53 * @view_id: A single u32 view id.
54 *
55 * The assumption here is that all union members are really represented by a
56 * single u32 in the command stream. If that's not the case,
57 * the size of this union will not equal the size of an u32, and the
58 * assumption is invalid, and we detect that at compile time in the
59 * vmw_so_build_asserts() function.
60 */
61 union vmw_view_destroy {
62 struct SVGA3dCmdDXDestroyRenderTargetView rtv;
63 struct SVGA3dCmdDXDestroyShaderResourceView srv;
64 struct SVGA3dCmdDXDestroyDepthStencilView dsv;
65 struct SVGA3dCmdDXDestroyUAView uav;
66 u32 view_id;
67 };
68
69 /* Map enum vmw_view_type to view destroy command ids*/
70 extern const u32 vmw_view_destroy_cmds[];
71
72 /* Map enum vmw_view_type to SVGACOTableType */
73 extern const SVGACOTableType vmw_view_cotables[];
74
75 /* Map enum vmw_so_type to SVGACOTableType */
76 extern const SVGACOTableType vmw_so_cotables[];
77
78 /*
79 * vmw_view_cmd_to_type - Return the view type for a create or destroy command
80 *
81 * @id: The SVGA3D command id.
82 *
83 * For a given view create or destroy command id, return the corresponding
84 * enum vmw_view_type. If the command is unknown, return vmw_view_max.
85 * The validity of the simplified calculation is verified in the
86 * vmw_so_build_asserts() function.
87 */
vmw_view_cmd_to_type(u32 id)88 static inline enum vmw_view_type vmw_view_cmd_to_type(u32 id)
89 {
90 u32 tmp = (id - SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW) / 2;
91
92 if (id == SVGA_3D_CMD_DX_DEFINE_UA_VIEW ||
93 id == SVGA_3D_CMD_DX_DESTROY_UA_VIEW)
94 return vmw_view_ua;
95
96 if (tmp > (u32)vmw_view_max)
97 return vmw_view_max;
98
99 return (enum vmw_view_type) tmp;
100 }
101
102 /*
103 * vmw_so_cmd_to_type - Return the state object type for a
104 * create or destroy command
105 *
106 * @id: The SVGA3D command id.
107 *
108 * For a given state object create or destroy command id,
109 * return the corresponding enum vmw_so_type. If the command is uknown,
110 * return vmw_so_max. We should perhaps optimize this function using
111 * a similar strategy as vmw_view_cmd_to_type().
112 */
vmw_so_cmd_to_type(u32 id)113 static inline enum vmw_so_type vmw_so_cmd_to_type(u32 id)
114 {
115 switch (id) {
116 case SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT:
117 case SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT:
118 return vmw_so_el;
119 case SVGA_3D_CMD_DX_DEFINE_BLEND_STATE:
120 case SVGA_3D_CMD_DX_DESTROY_BLEND_STATE:
121 return vmw_so_bs;
122 case SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE:
123 case SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE:
124 return vmw_so_ds;
125 case SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE:
126 case SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE:
127 return vmw_so_rs;
128 case SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE:
129 case SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE:
130 return vmw_so_ss;
131 case SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT:
132 case SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT_WITH_MOB:
133 case SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT:
134 return vmw_so_so;
135 default:
136 break;
137 }
138 return vmw_so_max;
139 }
140
141 /*
142 * View management - vmwgfx_so.c
143 */
144 extern int vmw_view_add(struct vmw_cmdbuf_res_manager *man,
145 struct vmw_resource *ctx,
146 struct vmw_resource *srf,
147 enum vmw_view_type view_type,
148 u32 user_key,
149 const void *cmd,
150 size_t cmd_size,
151 struct list_head *list);
152
153 extern int vmw_view_remove(struct vmw_cmdbuf_res_manager *man,
154 u32 user_key, enum vmw_view_type view_type,
155 struct list_head *list,
156 struct vmw_resource **res_p);
157
158 extern void vmw_view_surface_list_destroy(struct vmw_private *dev_priv,
159 struct list_head *view_list);
160 extern void vmw_view_cotable_list_destroy(struct vmw_private *dev_priv,
161 struct list_head *list,
162 bool readback);
163 extern struct vmw_resource *vmw_view_srf(struct vmw_resource *res);
164 extern struct vmw_resource *vmw_view_lookup(struct vmw_cmdbuf_res_manager *man,
165 enum vmw_view_type view_type,
166 u32 user_key);
167 extern u32 vmw_view_dirtying(struct vmw_resource *res);
168 #endif
169