src/gallium/drivers/virgl/virgl_resource.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
  24 #ifndef VIRGL_RESOURCE_H
  25 #define VIRGL_RESOURCE_H
  26
  27 #include "util/u_resource.h"
  28 #include "util/u_range.h"
  29 #include "util/list.h"
  30 #include "util/u_transfer.h"
  31
  32 #include "virtio-gpu/virgl_hw.h"
  33 #include "virgl_screen.h"
  34 #define VR_MAX_TEXTURE_2D_LEVELS 15
  35
  36 struct winsys_handle;
  37 struct virgl_screen;
  38 struct virgl_context;
  39
  40 struct virgl_resource_metadata
  41 {
  42    unsigned long level_offset[VR_MAX_TEXTURE_2D_LEVELS];
  43    unsigned stride[VR_MAX_TEXTURE_2D_LEVELS];
  44    unsigned layer_stride[VR_MAX_TEXTURE_2D_LEVELS];
  45    uint32_t plane, plane_offset, total_size;
  46    uint64_t modifier;
  47 };
  48
  49 struct virgl_resource {
  50    struct u_resource u;
  51    uint16_t clean_mask;
  52    struct virgl_hw_res *hw_res;
  53    struct virgl_resource_metadata metadata;
  54
  55    /* For PIPE_BUFFER only.  Data outside of this range are uninitialized. */
  56    struct util_range valid_buffer_range;
  57
  58    /* This mask indicates where the resource has been bound to, excluding
  59     * pipe_surface binds.
  60     *
  61     * This is more accurate than pipe_resource::bind.  Besides,
  62     * pipe_resource::bind can be 0 with direct state access, and is not
  63     * usable.
  64     */
  65    unsigned bind_history;
  66 };
  67
  68 struct virgl_transfer {
  69    struct pipe_transfer base;
  70    uint32_t offset, l_stride;
  71    struct util_range range;
  72    struct list_head queue_link;
  73    struct pipe_transfer *resolve_transfer;
  74
  75    struct virgl_hw_res *hw_res;
  76    void *hw_res_map;
  77    /* If not NULL, denotes that this is a copy transfer, i.e.,
  78     * that the transfer source data should be taken from this
  79     * resource instead of the original transfer resource.
  80     */
  81    struct virgl_hw_res *copy_src_hw_res;
  82    /* The offset in the copy source resource to copy data from. */
  83    uint32_t copy_src_offset;
  84 };
  85
  86 void virgl_resource_destroy(struct pipe_screen *screen,
  87                             struct pipe_resource *resource);
  88
  89 void virgl_init_screen_resource_functions(struct pipe_screen *screen);
  90
  91 void virgl_init_context_resource_functions(struct pipe_context *ctx);
  92
  93 void virgl_texture_init(struct virgl_resource *res);
  94
  95 static inline struct virgl_resource *virgl_resource(struct pipe_resource *r)
  96 {
  97    return (struct virgl_resource *)r;
  98 }
  99
 100 static inline struct virgl_transfer *virgl_transfer(struct pipe_transfer *trans)
 101 {
 102    return (struct virgl_transfer *)trans;
 103 }
 104
 105 void virgl_buffer_init(struct virgl_resource *res);
 106
 107 static inline unsigned pipe_to_virgl_bind(const struct virgl_screen *vs,
 108                                           unsigned pbind, unsigned flags)
 109 {
 110    unsigned outbind = 0;
 111    if (pbind & PIPE_BIND_DEPTH_STENCIL)
 112       outbind |= VIRGL_BIND_DEPTH_STENCIL;
 113    if (pbind & PIPE_BIND_RENDER_TARGET)
 114       outbind |= VIRGL_BIND_RENDER_TARGET;
 115    if (pbind & PIPE_BIND_SAMPLER_VIEW)
 116       outbind |= VIRGL_BIND_SAMPLER_VIEW;
 117    if (pbind & PIPE_BIND_VERTEX_BUFFER)
 118       outbind |= VIRGL_BIND_VERTEX_BUFFER;
 119    if (pbind & PIPE_BIND_INDEX_BUFFER)
 120       outbind |= VIRGL_BIND_INDEX_BUFFER;
 121    if (pbind & PIPE_BIND_CONSTANT_BUFFER)
 122       outbind |= VIRGL_BIND_CONSTANT_BUFFER;
 123    if (pbind & PIPE_BIND_DISPLAY_TARGET)
 124       outbind |= VIRGL_BIND_DISPLAY_TARGET;
 125    if (pbind & PIPE_BIND_STREAM_OUTPUT)
 126       outbind |= VIRGL_BIND_STREAM_OUTPUT;
 127    if (pbind & PIPE_BIND_CURSOR)
 128       outbind |= VIRGL_BIND_CURSOR;
 129    if (pbind & PIPE_BIND_CUSTOM)
 130       outbind |= VIRGL_BIND_CUSTOM;
 131    if (pbind & PIPE_BIND_SCANOUT)
 132       outbind |= VIRGL_BIND_SCANOUT;
 133    if (pbind & PIPE_BIND_SHARED)
 134       outbind |= VIRGL_BIND_SHARED;
 135    if (pbind & PIPE_BIND_SHADER_BUFFER)
 136       outbind |= VIRGL_BIND_SHADER_BUFFER;
 137    if (pbind & PIPE_BIND_QUERY_BUFFER)
 138       outbind |= VIRGL_BIND_QUERY_BUFFER;
 139    if (pbind & PIPE_BIND_COMMAND_ARGS_BUFFER)
 140       if (vs->caps.caps.v2.capability_bits & VIRGL_CAP_BIND_COMMAND_ARGS)
 141          outbind |= VIRGL_BIND_COMMAND_ARGS;
 142
 143    /* Staging resources should only be created directly through the winsys,
 144     * not using pipe_resources.
 145     */
 146    assert(!(outbind & VIRGL_BIND_STAGING));
 147
 148    return outbind;
 149 }
 150
 151 void *
 152 virgl_resource_transfer_map(struct pipe_context *ctx,
 153                             struct pipe_resource *resource,
 154                             unsigned level,
 155                             unsigned usage,
 156                             const struct pipe_box *box,
 157                             struct pipe_transfer **transfer);
 158
 159 struct virgl_transfer *
 160 virgl_resource_create_transfer(struct virgl_context *vctx,
 161                                struct pipe_resource *pres,
 162                                const struct virgl_resource_metadata *metadata,
 163                                unsigned level, unsigned usage,
 164                                const struct pipe_box *box);
 165
 166 void virgl_resource_destroy_transfer(struct virgl_context *vctx,
 167                                      struct virgl_transfer *trans);
 168
 169 void virgl_resource_destroy(struct pipe_screen *screen,
 170                             struct pipe_resource *resource);
 171
 172 bool virgl_resource_get_handle(struct pipe_screen *screen,
 173                                struct pipe_resource *resource,
 174                                struct winsys_handle *whandle);
 175
 176 void virgl_resource_dirty(struct virgl_resource *res, uint32_t level);
 177
 178 #endif