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
  58 enum virgl_transfer_map_type {
  59    VIRGL_TRANSFER_MAP_ERROR = -1,
  60    VIRGL_TRANSFER_MAP_HW_RES,
  61 };
  62
  63 struct virgl_transfer {
  64    struct pipe_transfer base;
  65    uint32_t offset, l_stride;
  66    struct util_range range;
  67    struct list_head queue_link;
  68    struct pipe_transfer *resolve_transfer;
  69    void *hw_res_map;
  70 };
  71
  72 void virgl_resource_destroy(struct pipe_screen *screen,
  73                             struct pipe_resource *resource);
  74
  75 void virgl_init_screen_resource_functions(struct pipe_screen *screen);
  76
  77 void virgl_init_context_resource_functions(struct pipe_context *ctx);
  78
  79 void virgl_texture_init(struct virgl_resource *res);
  80
  81 static inline struct virgl_resource *virgl_resource(struct pipe_resource *r)
  82 {
  83    return (struct virgl_resource *)r;
  84 }
  85
  86 static inline struct virgl_transfer *virgl_transfer(struct pipe_transfer *trans)
  87 {
  88    return (struct virgl_transfer *)trans;
  89 }
  90
  91 void virgl_buffer_init(struct virgl_resource *res);
  92
  93 static inline unsigned pipe_to_virgl_bind(const struct virgl_screen *vs, unsigned pbind)
  94 {
  95    unsigned outbind = 0;
  96    if (pbind & PIPE_BIND_DEPTH_STENCIL)
  97       outbind |= VIRGL_BIND_DEPTH_STENCIL;
  98    if (pbind & PIPE_BIND_RENDER_TARGET)
  99       outbind |= VIRGL_BIND_RENDER_TARGET;
 100    if (pbind & PIPE_BIND_SAMPLER_VIEW)
 101       outbind |= VIRGL_BIND_SAMPLER_VIEW;
 102    if (pbind & PIPE_BIND_VERTEX_BUFFER)
 103       outbind |= VIRGL_BIND_VERTEX_BUFFER;
 104    if (pbind & PIPE_BIND_INDEX_BUFFER)
 105       outbind |= VIRGL_BIND_INDEX_BUFFER;
 106    if (pbind & PIPE_BIND_CONSTANT_BUFFER)
 107       outbind |= VIRGL_BIND_CONSTANT_BUFFER;
 108    if (pbind & PIPE_BIND_DISPLAY_TARGET)
 109       outbind |= VIRGL_BIND_DISPLAY_TARGET;
 110    if (pbind & PIPE_BIND_STREAM_OUTPUT)
 111       outbind |= VIRGL_BIND_STREAM_OUTPUT;
 112    if (pbind & PIPE_BIND_CURSOR)
 113       outbind |= VIRGL_BIND_CURSOR;
 114    if (pbind & PIPE_BIND_CUSTOM)
 115       outbind |= VIRGL_BIND_CUSTOM;
 116    if (pbind & PIPE_BIND_SCANOUT)
 117       outbind |= VIRGL_BIND_SCANOUT;
 118    if (pbind & PIPE_BIND_SHADER_BUFFER)
 119       outbind |= VIRGL_BIND_SHADER_BUFFER;
 120    if (pbind & PIPE_BIND_QUERY_BUFFER)
 121       outbind |= VIRGL_BIND_QUERY_BUFFER;
 122    if (pbind & PIPE_BIND_COMMAND_ARGS_BUFFER)
 123       if (vs->caps.caps.v2.capability_bits & VIRGL_CAP_BIND_COMMAND_ARGS)
 124          outbind |= VIRGL_BIND_COMMAND_ARGS;
 125    return outbind;
 126 }
 127
 128 enum virgl_transfer_map_type
 129 virgl_resource_transfer_prepare(struct virgl_context *vctx,
 130                                 struct virgl_transfer *xfer);
 131
 132 void virgl_resource_layout(struct pipe_resource *pt,
 133                            struct virgl_resource_metadata *metadata);
 134
 135 struct virgl_transfer *
 136 virgl_resource_create_transfer(struct slab_child_pool *pool,
 137                                struct pipe_resource *pres,
 138                                const struct virgl_resource_metadata *metadata,
 139                                unsigned level, unsigned usage,
 140                                const struct pipe_box *box);
 141
 142 void virgl_resource_destroy_transfer(struct slab_child_pool *pool,
 143                                      struct virgl_transfer *trans);
 144
 145 void virgl_resource_destroy(struct pipe_screen *screen,
 146                             struct pipe_resource *resource);
 147
 148 boolean virgl_resource_get_handle(struct pipe_screen *screen,
 149                                   struct pipe_resource *resource,
 150                                   struct winsys_handle *whandle);
 151
 152 void virgl_resource_dirty(struct virgl_resource *res, uint32_t level);
 153
 154 #endif