src/gallium/drivers/swr/swr_resource.h

   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 "pipe/p_state.h"
  28 #include "api.h"
  29
  30 struct sw_displaytarget;
  31
  32 enum swr_resource_status {
  33    SWR_RESOURCE_UNUSED = 0x0,
  34    SWR_RESOURCE_READ = 0x1,
  35    SWR_RESOURCE_WRITE = 0x2,
  36 };
  37
  38 struct swr_resource {
  39    struct pipe_resource base;
  40
  41    bool has_depth;
  42    bool has_stencil;
  43
  44    SWR_SURFACE_STATE swr;
  45    SWR_SURFACE_STATE secondary; /* for faking depth/stencil merged formats */
  46
  47    struct sw_displaytarget *display_target;
  48
  49    size_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
  50    size_t secondary_mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
  51
  52    enum swr_resource_status status;
  53 };
  54
  55
  56 static INLINE struct swr_resource *
  57 swr_resource(struct pipe_resource *resource)
  58 {
  59    return (struct swr_resource *)resource;
  60 }
  61
  62 static INLINE boolean
  63 swr_resource_is_texture(const struct pipe_resource *resource)
  64 {
  65    switch (resource->target) {
  66    case PIPE_BUFFER:
  67       return FALSE;
  68    case PIPE_TEXTURE_1D:
  69    case PIPE_TEXTURE_1D_ARRAY:
  70    case PIPE_TEXTURE_2D:
  71    case PIPE_TEXTURE_2D_ARRAY:
  72    case PIPE_TEXTURE_RECT:
  73    case PIPE_TEXTURE_3D:
  74    case PIPE_TEXTURE_CUBE:
  75    case PIPE_TEXTURE_CUBE_ARRAY:
  76       return TRUE;
  77    default:
  78       assert(0);
  79       return FALSE;
  80    }
  81 }
  82
  83
  84 static INLINE uint8_t *
  85 swr_resource_data(struct pipe_resource *resource)
  86 {
  87    struct swr_resource *swr_r = swr_resource(resource);
  88
  89    assert(!swr_resource_is_texture(resource));
  90
  91    return swr_r->swr.pBaseAddress;
  92 }
  93
  94
  95 void swr_store_render_target(struct pipe_context *pipe,
  96                              uint32_t attachment,
  97                              enum SWR_TILE_STATE post_tile_state);
  98
  99 void swr_store_dirty_resource(struct pipe_context *pipe,
 100                               struct pipe_resource *resource,
 101                               enum SWR_TILE_STATE post_tile_state);
 102
 103 void swr_update_resource_status(struct pipe_context *,
 104                                 const struct pipe_draw_info *);
 105
 106 /*
 107  * Functions to indicate a resource's in-use status.
 108  */
 109 static INLINE enum
 110 swr_resource_status & operator|=(enum swr_resource_status & a,
 111                                  enum swr_resource_status  b) {
 112    return (enum swr_resource_status &)((int&)a |= (int)b);
 113 }
 114
 115 static INLINE void
 116 swr_resource_read(struct pipe_resource *resource)
 117 {
 118    swr_resource(resource)->status |= SWR_RESOURCE_READ;
 119 }
 120
 121 static INLINE void
 122 swr_resource_write(struct pipe_resource *resource)
 123 {
 124    swr_resource(resource)->status |= SWR_RESOURCE_WRITE;
 125 }
 126
 127 static INLINE void
 128 swr_resource_unused(struct pipe_resource *resource)
 129 {
 130    swr_resource(resource)->status = SWR_RESOURCE_UNUSED;
 131 }
 132
 133 #endif