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