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
34struct pipe_screen;
35struct tgsi_token;
36struct u_upload_mgr;
37struct virgl_cmd_buf;
38struct virgl_vertex_elements_state;
39
40struct virgl_sampler_view {
41   struct pipe_sampler_view base;
42   uint32_t handle;
43};
44
45struct virgl_so_target {
46   struct pipe_stream_output_target base;
47   uint32_t handle;
48};
49
50struct virgl_rasterizer_state {
51   struct pipe_rasterizer_state rs;
52   uint32_t handle;
53};
54
55struct 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
68struct 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   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
106static inline struct virgl_sampler_view *
107virgl_sampler_view(struct pipe_sampler_view *view)
108{
109   return (struct virgl_sampler_view *)view;
110};
111
112static inline struct virgl_so_target *
113virgl_so_target(struct pipe_stream_output_target *target)
114{
115   return (struct virgl_so_target *)target;
116}
117
118static inline struct virgl_context *virgl_context(struct pipe_context *ctx)
119{
120   return (struct virgl_context *)ctx;
121}
122
123struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
124                                          void *priv, unsigned flags);
125
126void virgl_init_blit_functions(struct virgl_context *vctx);
127void virgl_init_query_functions(struct virgl_context *vctx);
128void virgl_init_so_functions(struct virgl_context *vctx);
129
130struct tgsi_token *virgl_tgsi_transform(struct virgl_screen *vscreen, const struct tgsi_token *tokens_in,
131                                        bool is_separable);
132
133bool
134virgl_can_rebind_resource(struct virgl_context *vctx,
135                          struct pipe_resource *res);
136
137void
138virgl_rebind_resource(struct virgl_context *vctx,
139                      struct pipe_resource *res);
140
141void virgl_flush_eq(struct virgl_context *ctx, void *closure, struct pipe_fence_handle **fence);
142
143#endif
144