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_transfer_queue.h"
32
33struct pipe_screen;
34struct tgsi_token;
35struct u_upload_mgr;
36struct virgl_cmd_buf;
37struct virgl_vertex_elements_state;
38
39struct virgl_sampler_view {
40   struct pipe_sampler_view base;
41   uint32_t handle;
42};
43
44struct virgl_so_target {
45   struct pipe_stream_output_target base;
46   uint32_t handle;
47};
48
49struct virgl_textures_info {
50   struct virgl_sampler_view *views[16];
51   uint32_t enabled_mask;
52};
53
54struct virgl_rasterizer_state {
55   struct pipe_rasterizer_state rs;
56   uint32_t handle;
57};
58
59struct virgl_context {
60   struct pipe_context base;
61   struct virgl_cmd_buf *cbuf;
62   unsigned cbuf_initial_cdw;
63
64   struct virgl_textures_info samplers[PIPE_SHADER_TYPES];
65   struct virgl_vertex_elements_state *vertex_elements;
66
67   struct pipe_framebuffer_state framebuffer;
68
69   struct slab_child_pool transfer_pool;
70   struct virgl_transfer_queue queue;
71   struct u_upload_mgr *uploader;
72   bool encoded_transfers;
73
74   struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
75   unsigned num_vertex_buffers;
76   boolean vertex_array_dirty;
77
78   struct virgl_rasterizer_state rs_state;
79   struct virgl_so_target so_targets[PIPE_MAX_SO_BUFFERS];
80   unsigned num_so_targets;
81
82   struct pipe_resource *ubos[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
83
84   struct pipe_resource *ssbos[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_BUFFERS];
85   struct pipe_resource *images[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_BUFFERS];
86   uint32_t num_draws, num_compute;
87
88   struct pipe_resource *atomic_buffers[PIPE_MAX_HW_ATOMIC_BUFFERS];
89
90   struct primconvert_context *primconvert;
91   uint32_t hw_sub_ctx_id;
92};
93
94static inline struct virgl_sampler_view *
95virgl_sampler_view(struct pipe_sampler_view *view)
96{
97   return (struct virgl_sampler_view *)view;
98};
99
100static inline struct virgl_so_target *
101virgl_so_target(struct pipe_stream_output_target *target)
102{
103   return (struct virgl_so_target *)target;
104}
105
106static inline struct virgl_context *virgl_context(struct pipe_context *ctx)
107{
108   return (struct virgl_context *)ctx;
109}
110
111struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
112                                          void *priv, unsigned flags);
113
114void virgl_init_blit_functions(struct virgl_context *vctx);
115void virgl_init_query_functions(struct virgl_context *vctx);
116void virgl_init_so_functions(struct virgl_context *vctx);
117
118void virgl_transfer_inline_write(struct pipe_context *ctx,
119                                struct pipe_resource *res,
120                                unsigned level,
121                                unsigned usage,
122                                const struct pipe_box *box,
123                                const void *data,
124                                unsigned stride,
125                                unsigned layer_stride);
126
127struct tgsi_token *virgl_tgsi_transform(struct virgl_context *vctx, const struct tgsi_token *tokens_in);
128
129#endif
130