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