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    UINT alignedWidth;
  45    UINT alignedHeight;
  46
  47    SWR_SURFACE_STATE swr;
  48    SWR_SURFACE_STATE secondary; /* for faking depth/stencil merged formats */
  49
  50    struct sw_displaytarget *display_target;
  51
  52    unsigned row_stride[PIPE_MAX_TEXTURE_LEVELS];
  53    unsigned img_stride[PIPE_MAX_TEXTURE_LEVELS];
  54    unsigned mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
  55
  56    enum swr_resource_status status;
  57
  58    /* pipe_context to which resource is currently bound. */
  59    struct pipe_context *bound_to_context;
  60 };
  61
  62
  63 static INLINE struct swr_resource *
  64 swr_resource(struct pipe_resource *resource)
  65 {
  66    return (struct swr_resource *)resource;
  67 }
  68
  69 static INLINE boolean
  70 swr_resource_is_texture(const struct pipe_resource *resource)
  71 {
  72    switch (resource->target) {
  73    case PIPE_BUFFER:
  74       return FALSE;
  75    case PIPE_TEXTURE_1D:
  76    case PIPE_TEXTURE_1D_ARRAY:
  77    case PIPE_TEXTURE_2D:
  78    case PIPE_TEXTURE_2D_ARRAY:
  79    case PIPE_TEXTURE_RECT:
  80    case PIPE_TEXTURE_3D:
  81    case PIPE_TEXTURE_CUBE:
  82    case PIPE_TEXTURE_CUBE_ARRAY:
  83       return TRUE;
  84    default:
  85       assert(0);
  86       return FALSE;
  87    }
  88 }
  89
  90
  91 static INLINE void *
  92 swr_resource_data(struct pipe_resource *resource)
  93 {
  94    struct swr_resource *swr_r = swr_resource(resource);
  95
  96    assert(!swr_resource_is_texture(resource));
  97
  98    return swr_r->swr.pBaseAddress;
  99 }
 100
 101
 102 void swr_store_render_target(struct pipe_context *pipe,
 103                              uint32_t attachment,
 104                              enum SWR_TILE_STATE post_tile_state);
 105
 106 void swr_store_dirty_resource(struct pipe_context *pipe,
 107                               struct pipe_resource *resource,
 108                               enum SWR_TILE_STATE post_tile_state);
 109
 110 void swr_update_resource_status(struct pipe_context *,
 111                                 const struct pipe_draw_info *);
 112
 113 /*
 114  * Functions to indicate a resource's in-use status.
 115  */
 116 static INLINE enum
 117 swr_resource_status & operator|=(enum swr_resource_status & a,
 118                                  enum swr_resource_status  b) {
 119    return (enum swr_resource_status &)((int&)a |= (int)b);
 120 }
 121
 122 static INLINE void
 123 swr_resource_read(struct pipe_context *pipe, struct swr_resource *resource)
 124 {
 125    resource->status |= SWR_RESOURCE_READ;
 126    resource->bound_to_context = pipe;
 127 }
 128
 129 static INLINE void
 130 swr_resource_write(struct pipe_context *pipe, struct swr_resource *resource)
 131 {
 132    resource->status |= SWR_RESOURCE_WRITE;
 133    resource->bound_to_context = pipe;
 134 }
 135
 136 static INLINE void
 137 swr_resource_unused(struct pipe_context *pipe, struct swr_resource *resource)
 138 {
 139    resource->status = SWR_RESOURCE_UNUSED;
 140    resource->bound_to_context = nullptr;
 141 }
 142
 143 #endif