1 /*
2 * Copyright 2014, 2015 Red Hat.
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 VIRGL_CONTEXT_H
24 #define VIRGL_CONTEXT_H
25
26 #include "pipe/p_state.h"
27 #include "pipe/p_context.h"
28 #include "util/slab.h"
29 #include "util/list.h"
30
31 #include "virgl_staging_mgr.h"
32 #include "virgl_transfer_queue.h"
33
34 struct pipe_screen;
35 struct tgsi_token;
36 struct u_upload_mgr;
37 struct virgl_cmd_buf;
38 struct virgl_vertex_elements_state;
39
40 struct virgl_sampler_view {
41 struct pipe_sampler_view base;
42 uint32_t handle;
43 };
44
45 struct virgl_so_target {
46 struct pipe_stream_output_target base;
47 uint32_t handle;
48 };
49
50 struct virgl_rasterizer_state {
51 struct pipe_rasterizer_state rs;
52 uint32_t handle;
53 };
54
55 struct virgl_shader_binding_state {
56 struct pipe_sampler_view *views[16];
57 uint32_t view_enabled_mask;
58
59 struct pipe_constant_buffer ubos[PIPE_MAX_CONSTANT_BUFFERS];
60 uint32_t ubo_enabled_mask;
61
62 struct pipe_shader_buffer ssbos[PIPE_MAX_SHADER_BUFFERS];
63 uint32_t ssbo_enabled_mask;
64
65 struct pipe_image_view images[PIPE_MAX_SHADER_IMAGES];
66 uint32_t image_enabled_mask;
67 };
68
69 struct virgl_context {
70 struct pipe_context base;
71 struct virgl_cmd_buf *cbuf;
72 unsigned cbuf_initial_cdw;
73
74 struct virgl_shader_binding_state shader_bindings[PIPE_SHADER_TYPES];
75 struct pipe_shader_buffer atomic_buffers[PIPE_MAX_HW_ATOMIC_BUFFERS];
76 uint32_t atomic_buffer_enabled_mask;
77
78 struct virgl_vertex_elements_state *vertex_elements;
79
80 struct pipe_framebuffer_state framebuffer;
81
82 struct slab_child_pool transfer_pool;
83 struct virgl_transfer_queue queue;
84 struct u_upload_mgr *uploader;
85 struct virgl_staging_mgr staging;
86 bool encoded_transfers;
87 bool supports_staging;
88
89 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
90 unsigned num_vertex_buffers;
91 boolean vertex_array_dirty;
92
93 struct virgl_rasterizer_state rs_state;
94 struct virgl_so_target so_targets[PIPE_MAX_SO_BUFFERS];
95 unsigned num_so_targets;
96
97 uint32_t num_draws, num_compute;
98
99 struct primconvert_context *primconvert;
100 uint32_t hw_sub_ctx_id;
101
102 /* The total size of staging resources used in queued copy transfers. */
103 uint64_t queued_staging_res_size;
104 };
105
106 static inline struct virgl_sampler_view *
virgl_sampler_view(struct pipe_sampler_view * view)107 virgl_sampler_view(struct pipe_sampler_view *view)
108 {
109 return (struct virgl_sampler_view *)view;
110 };
111
112 static inline struct virgl_so_target *
virgl_so_target(struct pipe_stream_output_target * target)113 virgl_so_target(struct pipe_stream_output_target *target)
114 {
115 return (struct virgl_so_target *)target;
116 }
117
virgl_context(struct pipe_context * ctx)118 static inline struct virgl_context *virgl_context(struct pipe_context *ctx)
119 {
120 return (struct virgl_context *)ctx;
121 }
122
123 struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
124 void *priv, unsigned flags);
125
126 void virgl_init_blit_functions(struct virgl_context *vctx);
127 void virgl_init_query_functions(struct virgl_context *vctx);
128 void virgl_init_so_functions(struct virgl_context *vctx);
129
130 struct tgsi_token *virgl_tgsi_transform(struct virgl_context *vctx, const struct tgsi_token *tokens_in);
131
132 bool
133 virgl_can_rebind_resource(struct virgl_context *vctx,
134 struct pipe_resource *res);
135
136 void
137 virgl_rebind_resource(struct virgl_context *vctx,
138 struct pipe_resource *res);
139
140 #endif
141