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/u_slab.h"
  29 #include "util/list.h"
  30
  31 struct pipe_screen;
  32 struct tgsi_token;
  33 struct u_upload_mgr;
  34 struct virgl_cmd_buf;
  35
  36 struct virgl_sampler_view {
  37    struct pipe_sampler_view base;
  38    uint32_t handle;
  39 };
  40
  41 struct virgl_so_target {
  42    struct pipe_stream_output_target base;
  43    uint32_t handle;
  44 };
  45
  46 struct virgl_textures_info {
  47    struct virgl_sampler_view *views[16];
  48    uint32_t enabled_mask;
  49 };
  50
  51 struct virgl_context {
  52    struct pipe_context base;
  53    struct virgl_cmd_buf *cbuf;
  54
  55    struct virgl_textures_info samplers[PIPE_SHADER_TYPES];
  56
  57    struct pipe_framebuffer_state framebuffer;
  58
  59    struct util_slab_mempool texture_transfer_pool;
  60
  61    struct pipe_index_buffer index_buffer;
  62    struct u_upload_mgr *uploader;
  63
  64    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
  65    unsigned num_vertex_buffers;
  66    boolean vertex_array_dirty;
  67
  68    struct virgl_so_target so_targets[PIPE_MAX_SO_BUFFERS];
  69    unsigned num_so_targets;
  70
  71    struct pipe_resource *ubos[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
  72    int num_transfers;
  73    int num_draws;
  74    struct list_head to_flush_bufs;
  75
  76    struct primconvert_context *primconvert;
  77    uint32_t hw_sub_ctx_id;
  78 };
  79
  80 static inline struct virgl_sampler_view *
  81 virgl_sampler_view(struct pipe_sampler_view *view)
  82 {
  83    return (struct virgl_sampler_view *)view;
  84 };
  85
  86 static inline struct virgl_so_target *
  87 virgl_so_target(struct pipe_stream_output_target *target)
  88 {
  89    return (struct virgl_so_target *)target;
  90 }
  91
  92 static inline struct virgl_context *virgl_context(struct pipe_context *ctx)
  93 {
  94    return (struct virgl_context *)ctx;
  95 }
  96
  97 struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
  98                                           void *priv, unsigned flags);
  99
 100 void virgl_init_blit_functions(struct virgl_context *vctx);
 101 void virgl_init_query_functions(struct virgl_context *vctx);
 102 void virgl_init_so_functions(struct virgl_context *vctx);
 103
 104 void virgl_transfer_inline_write(struct pipe_context *ctx,
 105                                 struct pipe_resource *res,
 106                                 unsigned level,
 107                                 unsigned usage,
 108                                 const struct pipe_box *box,
 109                                 const void *data,
 110                                 unsigned stride,
 111                                 unsigned layer_stride);
 112
 113 struct tgsi_token *virgl_tgsi_transform(const struct tgsi_token *tokens_in);
 114
 115 #endif