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