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 #define VR_MAX_TEXTURE_2D_LEVELS 15
  34
  35 struct winsys_handle;
  36 struct virgl_screen;
  37 struct virgl_context;
  38
  39 struct virgl_resource_metadata
  40 {
  41    unsigned long level_offset[VR_MAX_TEXTURE_2D_LEVELS];
  42    unsigned stride[VR_MAX_TEXTURE_2D_LEVELS];
  43    unsigned layer_stride[VR_MAX_TEXTURE_2D_LEVELS];
  44    uint32_t total_size;
  45 };
  46
  47 struct virgl_resource {
  48    struct u_resource u;
  49    struct virgl_hw_res *hw_res;
  50    boolean clean;
  51 };
  52
  53 struct virgl_buffer {
  54    struct virgl_resource base;
  55
  56    struct list_head flush_list;
  57    boolean on_list;
  58
  59    /* The buffer range which is initialized (with a write transfer,
  60     * streamout, DMA, or as a random access target). The rest of
  61     * the buffer is considered invalid and can be mapped unsynchronized.
  62     *
  63     * This allows unsychronized mapping of a buffer range which hasn't
  64     * been used yet. It's for applications which forget to use
  65     * the unsynchronized map flag and expect the driver to figure it out.
  66     */
  67    struct util_range valid_buffer_range;
  68 };
  69
  70 struct virgl_texture {
  71    struct virgl_resource base;
  72    struct virgl_resource_metadata metadata;
  73 };
  74
  75 struct virgl_transfer {
  76    struct pipe_transfer base;
  77    uint32_t offset, l_stride;
  78    struct util_range range;
  79    struct virgl_resource *resolve_tmp;
  80 };
  81
  82 void virgl_resource_destroy(struct pipe_screen *screen,
  83                             struct pipe_resource *resource);
  84
  85 void virgl_init_screen_resource_functions(struct pipe_screen *screen);
  86
  87 void virgl_init_context_resource_functions(struct pipe_context *ctx);
  88
  89 struct pipe_resource *virgl_texture_create(struct virgl_screen *vs,
  90                                            const struct pipe_resource *templ);
  91
  92 struct pipe_resource *virgl_texture_from_handle(struct virgl_screen *vs,
  93                                                 const struct pipe_resource *templ,
  94                                                 struct winsys_handle *whandle);
  95
  96 static inline struct virgl_resource *virgl_resource(struct pipe_resource *r)
  97 {
  98    return (struct virgl_resource *)r;
  99 }
 100
 101 static inline struct virgl_buffer *virgl_buffer(struct pipe_resource *r)
 102 {
 103    return (struct virgl_buffer *)r;
 104 }
 105
 106 static inline struct virgl_texture *virgl_texture(struct pipe_resource *r)
 107 {
 108    return (struct virgl_texture *)r;
 109 }
 110
 111 static inline struct virgl_transfer *virgl_transfer(struct pipe_transfer *trans)
 112 {
 113    return (struct virgl_transfer *)trans;
 114 }
 115
 116 struct pipe_resource *virgl_buffer_create(struct virgl_screen *vs,
 117                                           const struct pipe_resource *templ);
 118
 119 static inline unsigned pipe_to_virgl_bind(unsigned pbind)
 120 {
 121    unsigned outbind = 0;
 122    if (pbind & PIPE_BIND_DEPTH_STENCIL)
 123       outbind |= VIRGL_BIND_DEPTH_STENCIL;
 124    if (pbind & PIPE_BIND_RENDER_TARGET)
 125       outbind |= VIRGL_BIND_RENDER_TARGET;
 126    if (pbind & PIPE_BIND_SAMPLER_VIEW)
 127       outbind |= VIRGL_BIND_SAMPLER_VIEW;
 128    if (pbind & PIPE_BIND_VERTEX_BUFFER)
 129       outbind |= VIRGL_BIND_VERTEX_BUFFER;
 130    if (pbind & PIPE_BIND_INDEX_BUFFER)
 131       outbind |= VIRGL_BIND_INDEX_BUFFER;
 132    if (pbind & PIPE_BIND_CONSTANT_BUFFER)
 133       outbind |= VIRGL_BIND_CONSTANT_BUFFER;
 134    if (pbind & PIPE_BIND_DISPLAY_TARGET)
 135       outbind |= VIRGL_BIND_DISPLAY_TARGET;
 136    if (pbind & PIPE_BIND_STREAM_OUTPUT)
 137       outbind |= VIRGL_BIND_STREAM_OUTPUT;
 138    if (pbind & PIPE_BIND_CURSOR)
 139       outbind |= VIRGL_BIND_CURSOR;
 140    if (pbind & PIPE_BIND_CUSTOM)
 141       outbind |= VIRGL_BIND_CUSTOM;
 142    if (pbind & PIPE_BIND_SCANOUT)
 143       outbind |= VIRGL_BIND_SCANOUT;
 144    if (pbind & PIPE_BIND_SHADER_BUFFER)
 145       outbind |= VIRGL_BIND_SHADER_BUFFER;
 146    return outbind;
 147 }
 148
 149 bool virgl_res_needs_flush_wait(struct virgl_context *vctx,
 150                                 struct virgl_resource *res,
 151                                 unsigned usage);
 152 bool virgl_res_needs_readback(struct virgl_context *vctx,
 153                               struct virgl_resource *res,
 154                               unsigned usage);
 155
 156 void virgl_resource_layout(struct pipe_resource *pt,
 157                            struct virgl_resource_metadata *metadata);
 158
 159 struct virgl_transfer *
 160 virgl_resource_create_transfer(struct pipe_context *ctx,
 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 #endif