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[PIPE_MAX_SHADER_SAMPLER_VIEWS];
57
58 struct pipe_constant_buffer ubos[PIPE_MAX_CONSTANT_BUFFERS];
59 uint32_t ubo_enabled_mask;
60
61 struct pipe_shader_buffer ssbos[PIPE_MAX_SHADER_BUFFERS];
62 uint32_t ssbo_enabled_mask;
63
64 struct pipe_image_view images[PIPE_MAX_SHADER_IMAGES];
65 uint32_t image_enabled_mask;
66 };
67
68 struct virgl_context {
69 struct pipe_context base;
70 struct virgl_cmd_buf *cbuf;
71 unsigned cbuf_initial_cdw;
72
73 struct virgl_shader_binding_state shader_bindings[PIPE_SHADER_TYPES];
74 struct pipe_shader_buffer atomic_buffers[PIPE_MAX_HW_ATOMIC_BUFFERS];
75 uint32_t atomic_buffer_enabled_mask;
76
77 struct virgl_vertex_elements_state *vertex_elements;
78
79 struct pipe_framebuffer_state framebuffer;
80
81 struct slab_child_pool transfer_pool;
82 struct virgl_transfer_queue queue;
83 struct u_upload_mgr *uploader;
84 struct virgl_staging_mgr staging;
85 bool encoded_transfers;
86 bool supports_staging;
87 uint8_t patch_vertices;
88
89 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
90 unsigned num_vertex_buffers;
91 bool 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 struct virgl_vertex_elements_state {
107 uint32_t handle;
108 uint8_t binding_map[PIPE_MAX_ATTRIBS];
109 uint8_t num_bindings;
110 uint16_t strides[PIPE_MAX_ATTRIBS];
111 };
112
113 static inline struct virgl_sampler_view *
virgl_sampler_view(struct pipe_sampler_view * view)114 virgl_sampler_view(struct pipe_sampler_view *view)
115 {
116 return (struct virgl_sampler_view *)view;
117 };
118
119 static inline struct virgl_so_target *
virgl_so_target(struct pipe_stream_output_target * target)120 virgl_so_target(struct pipe_stream_output_target *target)
121 {
122 return (struct virgl_so_target *)target;
123 }
124
virgl_context(struct pipe_context * ctx)125 static inline struct virgl_context *virgl_context(struct pipe_context *ctx)
126 {
127 return (struct virgl_context *)ctx;
128 }
129
130 struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
131 void *priv, unsigned flags);
132
133 void virgl_init_blit_functions(struct virgl_context *vctx);
134 void virgl_init_query_functions(struct virgl_context *vctx);
135 void virgl_init_so_functions(struct virgl_context *vctx);
136
137 struct tgsi_token *virgl_tgsi_transform(struct virgl_screen *vscreen, const struct tgsi_token *tokens_in,
138 bool is_separable);
139
140 bool
141 virgl_can_rebind_resource(struct virgl_context *vctx,
142 struct pipe_resource *res);
143
144 void
145 virgl_rebind_resource(struct virgl_context *vctx,
146 struct pipe_resource *res);
147
148 void virgl_flush_eq(struct virgl_context *ctx, void *closure, struct pipe_fence_handle **fence);
149
150 #endif
151