summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/vmwgfx/vmwgfx_binding.h
blob: 85b90f7d398dc1f791cb2b961665ea4d54c30dc4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**************************************************************************
 *
 * Copyright 2015 VMware, Inc., Palo Alto, CA., USA
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/
#ifndef _VMWGFX_BINDING_H_
#define _VMWGFX_BINDING_H_

#include <linux/list.h>

#include "device_include/svga3d_reg.h"

#define VMW_MAX_VIEW_BINDINGS 128

#define VMW_MAX_UAV_BIND_TYPE 2

struct vmw_private;
struct vmw_ctx_binding_state;

/*
 * enum vmw_ctx_binding_type - abstract resource to context binding types
 */
enum vmw_ctx_binding_type {
	vmw_ctx_binding_shader,
	vmw_ctx_binding_rt,
	vmw_ctx_binding_tex,
	vmw_ctx_binding_cb,
	vmw_ctx_binding_dx_shader,
	vmw_ctx_binding_dx_rt,
	vmw_ctx_binding_sr,
	vmw_ctx_binding_ds,
	vmw_ctx_binding_so_target,
	vmw_ctx_binding_vb,
	vmw_ctx_binding_ib,
	vmw_ctx_binding_uav,
	vmw_ctx_binding_cs_uav,
	vmw_ctx_binding_so,
	vmw_ctx_binding_max
};

/**
 * struct vmw_ctx_bindinfo - single binding metadata
 *
 * @ctx_list: List head for the context's list of bindings.
 * @res_list: List head for a resource's list of bindings.
 * @ctx: Non-refcounted pointer to the context that owns the binding. NULL
 * indicates no binding present.
 * @res: Non-refcounted pointer to the resource the binding points to. This
 * is typically a surface or a view.
 * @bt: Binding type.
 * @scrubbed: Whether the binding has been scrubbed from the context.
 */
struct vmw_ctx_bindinfo {
	struct list_head ctx_list;
	struct list_head res_list;
	struct vmw_resource *ctx;
	struct vmw_resource *res;
	enum vmw_ctx_binding_type bt;
	bool scrubbed;
};

/**
 * struct vmw_ctx_bindinfo_tex - texture stage binding metadata
 *
 * @bi: struct vmw_ctx_bindinfo we derive from.
 * @texture_stage: Device data used to reconstruct binding command.
 */
struct vmw_ctx_bindinfo_tex {
	struct vmw_ctx_bindinfo bi;
	uint32 texture_stage;
};

/**
 * struct vmw_ctx_bindinfo_shader - Shader binding metadata
 *
 * @bi: struct vmw_ctx_bindinfo we derive from.
 * @shader_slot: Device data used to reconstruct binding command.
 */
struct vmw_ctx_bindinfo_shader {
	struct vmw_ctx_bindinfo bi;
	SVGA3dShaderType shader_slot;
};

/**
 * struct vmw_ctx_bindinfo_cb - Constant buffer binding metadata
 *
 * @bi: struct vmw_ctx_bindinfo we derive from.
 * @shader_slot: Device data used to reconstruct binding command.
 * @offset: Device data used to reconstruct binding command.
 * @size: Device data used to reconstruct binding command.
 * @slot: Device data used to reconstruct binding command.
 */
struct vmw_ctx_bindinfo_cb {
	struct vmw_ctx_bindinfo bi;
	SVGA3dShaderType shader_slot;
	uint32 offset;
	uint32 size;
	uint32 slot;
};

/**
 * struct vmw_ctx_bindinfo_view - View binding metadata
 *
 * @bi: struct vmw_ctx_bindinfo we derive from.
 * @shader_slot: Device data used to reconstruct binding command.
 * @slot: Device data used to reconstruct binding command.
 */
struct vmw_ctx_bindinfo_view {
	struct vmw_ctx_bindinfo bi;
	SVGA3dShaderType shader_slot;
	uint32 slot;
};

/**
 * struct vmw_ctx_bindinfo_so_target - StreamOutput binding metadata
 *
 * @bi: struct vmw_ctx_bindinfo we derive from.
 * @offset: Device data used to reconstruct binding command.
 * @size: Device data used to reconstruct binding command.
 * @slot: Device data used to reconstruct binding command.
 */
struct vmw_ctx_bindinfo_so_target {
	struct vmw_ctx_bindinfo bi;
	uint32 offset;
	uint32 size;
	uint32 slot;
};

/**
 * struct vmw_ctx_bindinfo_vb - Vertex buffer binding metadata
 *
 * @bi: struct vmw_ctx_bindinfo we derive from.
 * @offset: Device data used to reconstruct binding command.
 * @stride: Device data used to reconstruct binding command.
 * @slot: Device data used to reconstruct binding command.
 */
struct vmw_ctx_bindinfo_vb {
	struct vmw_ctx_bindinfo bi;
	uint32 offset;
	uint32 stride;
	uint32 slot;
};

/**
 * struct vmw_ctx_bindinfo_ib - StreamOutput binding metadata
 *
 * @bi: struct vmw_ctx_bindinfo we derive from.
 * @offset: Device data used to reconstruct binding command.
 * @format: Device data used to reconstruct binding command.
 */
struct vmw_ctx_bindinfo_ib {
	struct vmw_ctx_bindinfo bi;
	uint32 offset;
	uint32 format;
};

/**
 * struct vmw_dx_shader_bindings - per shader type context binding state
 *
 * @shader: The shader binding for this shader type
 * @const_buffer: Const buffer bindings for this shader type.
 * @shader_res: Shader resource view bindings for this shader type.
 * @dirty_sr: Bitmap tracking individual shader resource bindings changes
 * that have not yet been emitted to the device.
 * @dirty: Bitmap tracking per-binding type binding changes that have not
 * yet been emitted to the device.
 */
struct vmw_dx_shader_bindings {
	struct vmw_ctx_bindinfo_shader shader;
	struct vmw_ctx_bindinfo_cb const_buffers[SVGA3D_DX_MAX_CONSTBUFFERS];
	struct vmw_ctx_bindinfo_view shader_res[SVGA3D_DX_MAX_SRVIEWS];
	DECLARE_BITMAP(dirty_sr, SVGA3D_DX_MAX_SRVIEWS);
	unsigned long dirty;
};

/**
 * struct vmw_ctx_bindinfo_uav - UAV context binding state.
 * @views: UAV view bindings.
 * @splice_index: The device splice index set by user-space.
 */
struct vmw_ctx_bindinfo_uav {
	struct vmw_ctx_bindinfo_view views[SVGA3D_DX11_1_MAX_UAVIEWS];
	uint32 index;
};

/**
 * struct vmw_ctx_bindinfo_so - Stream output binding metadata.
 * @bi: struct vmw_ctx_bindinfo we derive from.
 * @slot: Device data used to reconstruct binding command.
 */
struct vmw_ctx_bindinfo_so {
	struct vmw_ctx_bindinfo bi;
	uint32 slot;
};

extern void vmw_binding_add(struct vmw_ctx_binding_state *cbs,
			    const struct vmw_ctx_bindinfo *ci,
			    u32 shader_slot, u32 slot);
extern void vmw_binding_cb_offset_update(struct vmw_ctx_binding_state *cbs,
					 u32 shader_slot, u32 slot, u32 offsetInBytes);
extern void vmw_binding_add_uav_index(struct vmw_ctx_binding_state *cbs,
				      uint32 slot, uint32 splice_index);
extern void
vmw_binding_state_commit(struct vmw_ctx_binding_state *to,
			 struct vmw_ctx_binding_state *from);
extern void vmw_binding_res_list_kill(struct list_head *head);
extern void vmw_binding_res_list_scrub(struct list_head *head);
extern int vmw_binding_rebind_all(struct vmw_ctx_binding_state *cbs);
extern void vmw_binding_state_kill(struct vmw_ctx_binding_state *cbs);
extern void vmw_binding_state_scrub(struct vmw_ctx_binding_state *cbs);
extern struct vmw_ctx_binding_state *
vmw_binding_state_alloc(struct vmw_private *dev_priv);
extern void vmw_binding_state_free(struct vmw_ctx_binding_state *cbs);
extern struct list_head *
vmw_binding_state_list(struct vmw_ctx_binding_state *cbs);
extern void vmw_binding_state_reset(struct vmw_ctx_binding_state *cbs);
extern u32 vmw_binding_dirtying(enum vmw_ctx_binding_type binding_type);


#endif