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
  55 struct virgl_transfer {
  56    struct pipe_transfer base;
  57    uint32_t offset, l_stride;
  58    struct util_range range;
  59    struct list_head queue_link;
  60    struct pipe_transfer *resolve_transfer;
  61    void *hw_res_map;
  62 };
  63
  64 void virgl_resource_destroy(struct pipe_screen *screen,
  65                             struct pipe_resource *resource);
  66
  67 void virgl_init_screen_resource_functions(struct pipe_screen *screen);
  68
  69 void virgl_init_context_resource_functions(struct pipe_context *ctx);
  70
  71 void virgl_texture_init(struct virgl_resource *res);
  72
  73 static inline struct virgl_resource *virgl_resource(struct pipe_resource *r)
  74 {
  75    return (struct virgl_resource *)r;
  76 }
  77
  78 static inline struct virgl_transfer *virgl_transfer(struct pipe_transfer *trans)
  79 {
  80    return (struct virgl_transfer *)trans;
  81 }
  82
  83 void virgl_buffer_init(struct virgl_resource *res);
  84
  85 static inline unsigned pipe_to_virgl_bind(const struct virgl_screen *vs, unsigned pbind)
  86 {
  87    unsigned outbind = 0;
  88    if (pbind & PIPE_BIND_DEPTH_STENCIL)
  89       outbind |= VIRGL_BIND_DEPTH_STENCIL;
  90    if (pbind & PIPE_BIND_RENDER_TARGET)
  91       outbind |= VIRGL_BIND_RENDER_TARGET;
  92    if (pbind & PIPE_BIND_SAMPLER_VIEW)
  93       outbind |= VIRGL_BIND_SAMPLER_VIEW;
  94    if (pbind & PIPE_BIND_VERTEX_BUFFER)
  95       outbind |= VIRGL_BIND_VERTEX_BUFFER;
  96    if (pbind & PIPE_BIND_INDEX_BUFFER)
  97       outbind |= VIRGL_BIND_INDEX_BUFFER;
  98    if (pbind & PIPE_BIND_CONSTANT_BUFFER)
  99       outbind |= VIRGL_BIND_CONSTANT_BUFFER;
 100    if (pbind & PIPE_BIND_DISPLAY_TARGET)
 101       outbind |= VIRGL_BIND_DISPLAY_TARGET;
 102    if (pbind & PIPE_BIND_STREAM_OUTPUT)
 103       outbind |= VIRGL_BIND_STREAM_OUTPUT;
 104    if (pbind & PIPE_BIND_CURSOR)
 105       outbind |= VIRGL_BIND_CURSOR;
 106    if (pbind & PIPE_BIND_CUSTOM)
 107       outbind |= VIRGL_BIND_CUSTOM;
 108    if (pbind & PIPE_BIND_SCANOUT)
 109       outbind |= VIRGL_BIND_SCANOUT;
 110    if (pbind & PIPE_BIND_SHADER_BUFFER)
 111       outbind |= VIRGL_BIND_SHADER_BUFFER;
 112    if (pbind & PIPE_BIND_QUERY_BUFFER)
 113       outbind |= VIRGL_BIND_QUERY_BUFFER;
 114    if (pbind & PIPE_BIND_COMMAND_ARGS_BUFFER)
 115       if (vs->caps.caps.v2.capability_bits & VIRGL_CAP_BIND_COMMAND_ARGS)
 116          outbind |= VIRGL_BIND_COMMAND_ARGS;
 117    return outbind;
 118 }
 119
 120 bool virgl_res_needs_flush(struct virgl_context *vctx,
 121                            struct virgl_transfer *transfer);
 122 bool virgl_res_needs_readback(struct virgl_context *vctx,
 123                               struct virgl_resource *res,
 124                               unsigned usage, unsigned level);
 125
 126 void virgl_resource_layout(struct pipe_resource *pt,
 127                            struct virgl_resource_metadata *metadata);
 128
 129 struct virgl_transfer *
 130 virgl_resource_create_transfer(struct slab_child_pool *pool,
 131                                struct pipe_resource *pres,
 132                                const struct virgl_resource_metadata *metadata,
 133                                unsigned level, unsigned usage,
 134                                const struct pipe_box *box);
 135
 136 void virgl_resource_destroy_transfer(struct slab_child_pool *pool,
 137                                      struct virgl_transfer *trans);
 138
 139 void virgl_resource_destroy(struct pipe_screen *screen,
 140                             struct pipe_resource *resource);
 141
 142 boolean virgl_resource_get_handle(struct pipe_screen *screen,
 143                                   struct pipe_resource *resource,
 144                                   struct winsys_handle *whandle);
 145
 146 void virgl_resource_dirty(struct virgl_resource *res, uint32_t level);
 147
 148 #endif