src/gallium/drivers/virgl/virgl_context.h

   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 *
 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 *
 113 virgl_so_target(struct pipe_stream_output_target *target)
 114 {
 115    return (struct virgl_so_target *)target;
 116 }
 117
 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