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 "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