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Member "mesa-20.1.8/src/gallium/drivers/swr/swr_resource.h" (16 Sep 2020, 4423 Bytes) of package /linux/misc/mesa-20.1.8.tar.xz:


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    1 /****************************************************************************
    2  * Copyright (C) 2015 Intel Corporation.   All Rights Reserved.
    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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
    8  * and/or sell copies of the Software, and to permit persons to whom the
    9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
   18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   21  * IN THE SOFTWARE.
   22  ***************************************************************************/
   23 
   24 #ifndef SWR_RESOURCE_H
   25 #define SWR_RESOURCE_H
   26 
   27 #include "memory/SurfaceState.h"
   28 #include "pipe/p_state.h"
   29 #include "api.h"
   30 
   31 struct sw_displaytarget;
   32 
   33 enum swr_resource_status {
   34    SWR_RESOURCE_UNUSED = 0x0,
   35    SWR_RESOURCE_READ = 0x1,
   36    SWR_RESOURCE_WRITE = 0x2,
   37 };
   38 
   39 struct swr_resource {
   40    struct pipe_resource base;
   41 
   42    bool has_depth;
   43    bool has_stencil;
   44 
   45    SWR_SURFACE_STATE swr;
   46    SWR_SURFACE_STATE secondary; /* for faking depth/stencil merged formats */
   47 
   48    struct sw_displaytarget *display_target;
   49 
   50    /* If resource is multisample, then this points to a alternate resource
   51     * containing the resolved multisample surface, otherwise null */
   52    struct pipe_resource *resolve_target;
   53 
   54    size_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
   55    size_t secondary_mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
   56 
   57    enum swr_resource_status status;
   58 
   59    /* last pipe that used (validated) this resource */
   60    struct pipe_context *curr_pipe;
   61 };
   62 
   63 
   64 static INLINE struct swr_resource *
   65 swr_resource(struct pipe_resource *resource)
   66 {
   67    return (struct swr_resource *)resource;
   68 }
   69 
   70 static INLINE bool
   71 swr_resource_is_texture(const struct pipe_resource *resource)
   72 {
   73    switch (resource->target) {
   74    case PIPE_BUFFER:
   75       return false;
   76    case PIPE_TEXTURE_1D:
   77    case PIPE_TEXTURE_1D_ARRAY:
   78    case PIPE_TEXTURE_2D:
   79    case PIPE_TEXTURE_2D_ARRAY:
   80    case PIPE_TEXTURE_RECT:
   81    case PIPE_TEXTURE_3D:
   82    case PIPE_TEXTURE_CUBE:
   83    case PIPE_TEXTURE_CUBE_ARRAY:
   84       return true;
   85    default:
   86       assert(0);
   87       return false;
   88    }
   89 }
   90 
   91 
   92 static INLINE uint8_t *
   93 swr_resource_data(struct pipe_resource *resource)
   94 {
   95    struct swr_resource *swr_r = swr_resource(resource);
   96 
   97    assert(!swr_resource_is_texture(resource));
   98 
   99    return (uint8_t*)(swr_r->swr.xpBaseAddress);
  100 }
  101 
  102 
  103 void swr_invalidate_render_target(struct pipe_context *pipe,
  104                                   uint32_t attachment,
  105                                   uint16_t width, uint16_t height);
  106 
  107 void swr_store_render_target(struct pipe_context *pipe,
  108                              uint32_t attachment,
  109                              enum SWR_TILE_STATE post_tile_state);
  110 
  111 void swr_store_dirty_resource(struct pipe_context *pipe,
  112                               struct pipe_resource *resource,
  113                               enum SWR_TILE_STATE post_tile_state);
  114 
  115 void swr_update_resource_status(struct pipe_context *,
  116                                 const struct pipe_draw_info *);
  117 
  118 /*
  119  * Functions to indicate a resource's in-use status.
  120  */
  121 static INLINE enum
  122 swr_resource_status & operator|=(enum swr_resource_status & a,
  123                                  enum swr_resource_status  b) {
  124    return (enum swr_resource_status &)((int&)a |= (int)b);
  125 }
  126 
  127 static INLINE void
  128 swr_resource_read(struct pipe_resource *resource)
  129 {
  130    swr_resource(resource)->status |= SWR_RESOURCE_READ;
  131 }
  132 
  133 static INLINE void
  134 swr_resource_write(struct pipe_resource *resource)
  135 {
  136    swr_resource(resource)->status |= SWR_RESOURCE_WRITE;
  137 }
  138 
  139 static INLINE void
  140 swr_resource_unused(struct pipe_resource *resource)
  141 {
  142    swr_resource(resource)->status = SWR_RESOURCE_UNUSED;
  143 }
  144 
  145 #endif