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