virgl_context.h revision 7ec681f3 
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[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
69struct 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   uint8_t patch_vertices;
89
90   struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
91   unsigned num_vertex_buffers;
92   boolean vertex_array_dirty;
93
94   struct virgl_rasterizer_state rs_state;
95   struct virgl_so_target so_targets[PIPE_MAX_SO_BUFFERS];
96   unsigned num_so_targets;
97
98   uint32_t num_draws, num_compute;
99
100   struct primconvert_context *primconvert;
101   uint32_t hw_sub_ctx_id;
102
103   /* The total size of staging resources used in queued copy transfers. */
104   uint64_t queued_staging_res_size;
105};
106
107static inline struct virgl_sampler_view *
108virgl_sampler_view(struct pipe_sampler_view *view)
109{
110   return (struct virgl_sampler_view *)view;
111};
112
113static inline struct virgl_so_target *
114virgl_so_target(struct pipe_stream_output_target *target)
115{
116   return (struct virgl_so_target *)target;
117}
118
119static inline struct virgl_context *virgl_context(struct pipe_context *ctx)
120{
121   return (struct virgl_context *)ctx;
122}
123
124struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
125                                          void *priv, unsigned flags);
126
127void virgl_init_blit_functions(struct virgl_context *vctx);
128void virgl_init_query_functions(struct virgl_context *vctx);
129void virgl_init_so_functions(struct virgl_context *vctx);
130
131struct tgsi_token *virgl_tgsi_transform(struct virgl_screen *vscreen, const struct tgsi_token *tokens_in);
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,
142		    struct pipe_fence_handle **fence);
143#endif
144