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