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 "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 total_size;
  46 };
  47
  48 struct virgl_resource {
  49    struct u_resource u;
  50    uint16_t clean_mask;
  51    struct virgl_hw_res *hw_res;
  52    struct virgl_resource_metadata metadata;
  53
  54    /* For PIPE_BUFFER only.  Data outside of this range are uninitialized. */
  55    struct util_range valid_buffer_range;
  56
  57    /* This mask indicates where the resource has been bound to, excluding
  58     * pipe_surface binds.
  59     *
  60     * This is more accurate than pipe_resource::bind.  Besides,
  61     * pipe_resource::bind can be 0 with direct state access, and is not
  62     * usable.
  63     */
  64    unsigned bind_history;
  65 };
  66
  67 struct virgl_transfer {
  68    struct pipe_transfer base;
  69    uint32_t offset, l_stride;
  70    struct util_range range;
  71    struct list_head queue_link;
  72    struct pipe_transfer *resolve_transfer;
  73
  74    struct virgl_hw_res *hw_res;
  75    void *hw_res_map;
  76    /* If not NULL, denotes that this is a copy transfer, i.e.,
  77     * that the transfer source data should be taken from this
  78     * resource instead of the original transfer resource.
  79     */
  80    struct virgl_hw_res *copy_src_hw_res;
  81    /* The offset in the copy source resource to copy data from. */
  82    uint32_t copy_src_offset;
  83 };
  84
  85 void virgl_resource_destroy(struct pipe_screen *screen,
  86                             struct pipe_resource *resource);
  87
  88 void virgl_init_screen_resource_functions(struct pipe_screen *screen);
  89
  90 void virgl_init_context_resource_functions(struct pipe_context *ctx);
  91
  92 void virgl_texture_init(struct virgl_resource *res);
  93
  94 static inline struct virgl_resource *virgl_resource(struct pipe_resource *r)
  95 {
  96    return (struct virgl_resource *)r;
  97 }
  98
  99 static inline struct virgl_transfer *virgl_transfer(struct pipe_transfer *trans)
 100 {
 101    return (struct virgl_transfer *)trans;
 102 }
 103
 104 void virgl_buffer_init(struct virgl_resource *res);
 105
 106 static inline unsigned pipe_to_virgl_bind(const struct virgl_screen *vs,
 107                                           unsigned pbind, unsigned flags)
 108 {
 109    unsigned outbind = 0;
 110    if (pbind & PIPE_BIND_DEPTH_STENCIL)
 111       outbind |= VIRGL_BIND_DEPTH_STENCIL;
 112    if (pbind & PIPE_BIND_RENDER_TARGET)
 113       outbind |= VIRGL_BIND_RENDER_TARGET;
 114    if (pbind & PIPE_BIND_SAMPLER_VIEW)
 115       outbind |= VIRGL_BIND_SAMPLER_VIEW;
 116    if (pbind & PIPE_BIND_VERTEX_BUFFER)
 117       outbind |= VIRGL_BIND_VERTEX_BUFFER;
 118    if (pbind & PIPE_BIND_INDEX_BUFFER)
 119       outbind |= VIRGL_BIND_INDEX_BUFFER;
 120    if (pbind & PIPE_BIND_CONSTANT_BUFFER)
 121       outbind |= VIRGL_BIND_CONSTANT_BUFFER;
 122    if (pbind & PIPE_BIND_DISPLAY_TARGET)
 123       outbind |= VIRGL_BIND_DISPLAY_TARGET;
 124    if (pbind & PIPE_BIND_STREAM_OUTPUT)
 125       outbind |= VIRGL_BIND_STREAM_OUTPUT;
 126    if (pbind & PIPE_BIND_CURSOR)
 127       outbind |= VIRGL_BIND_CURSOR;
 128    if (pbind & PIPE_BIND_CUSTOM)
 129       outbind |= VIRGL_BIND_CUSTOM;
 130    if (pbind & PIPE_BIND_SCANOUT)
 131       outbind |= VIRGL_BIND_SCANOUT;
 132    if (pbind & PIPE_BIND_SHARED)
 133       outbind |= VIRGL_BIND_SHARED;
 134    if (pbind & PIPE_BIND_SHADER_BUFFER)
 135       outbind |= VIRGL_BIND_SHADER_BUFFER;
 136    if (pbind & PIPE_BIND_QUERY_BUFFER)
 137       outbind |= VIRGL_BIND_QUERY_BUFFER;
 138    if (pbind & PIPE_BIND_COMMAND_ARGS_BUFFER)
 139       if (vs->caps.caps.v2.capability_bits & VIRGL_CAP_BIND_COMMAND_ARGS)
 140          outbind |= VIRGL_BIND_COMMAND_ARGS;
 141
 142    /* Staging resources should only be created directly through the winsys,
 143     * not using pipe_resources.
 144     */
 145    assert(!(outbind & VIRGL_BIND_STAGING));
 146
 147    return outbind;
 148 }
 149
 150 void *
 151 virgl_resource_transfer_map(struct pipe_context *ctx,
 152                             struct pipe_resource *resource,
 153                             unsigned level,
 154                             unsigned usage,
 155                             const struct pipe_box *box,
 156                             struct pipe_transfer **transfer);
 157
 158 void virgl_resource_layout(struct pipe_resource *pt,
 159                            struct virgl_resource_metadata *metadata);
 160
 161 struct virgl_transfer *
 162 virgl_resource_create_transfer(struct virgl_context *vctx,
 163                                struct pipe_resource *pres,
 164                                const struct virgl_resource_metadata *metadata,
 165                                unsigned level, unsigned usage,
 166                                const struct pipe_box *box);
 167
 168 void virgl_resource_destroy_transfer(struct virgl_context *vctx,
 169                                      struct virgl_transfer *trans);
 170
 171 void virgl_resource_destroy(struct pipe_screen *screen,
 172                             struct pipe_resource *resource);
 173
 174 bool virgl_resource_get_handle(struct pipe_screen *screen,
 175                                struct pipe_resource *resource,
 176                                struct winsys_handle *whandle);
 177
 178 void virgl_resource_dirty(struct virgl_resource *res, uint32_t level);
 179
 180 #endif