src/gallium/drivers/trace/tr_texture.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "util/u_hash_table.h"
  29 #include "util/u_memory.h"
  30
  31 #include "tr_screen.h"
  32 #include "tr_texture.h"
  33
  34
  35 struct pipe_texture *
  36 trace_texture_create(struct trace_screen *tr_scr,
  37                      struct pipe_texture *texture)
  38 {
  39    struct trace_texture *tr_tex;
  40
  41    if(!texture)
  42       goto error;
  43
  44    assert(texture->screen == tr_scr->screen);
  45
  46    tr_tex = CALLOC_STRUCT(trace_texture);
  47    if(!tr_tex)
  48       goto error;
  49
  50    memcpy(&tr_tex->base, texture, sizeof(struct pipe_texture));
  51
  52    pipe_reference_init(&tr_tex->base.reference, 1);
  53    tr_tex->base.screen = &tr_scr->base;
  54    tr_tex->texture = texture;
  55
  56    return &tr_tex->base;
  57
  58 error:
  59    pipe_texture_reference(&texture, NULL);
  60    return NULL;
  61 }
  62
  63
  64 void
  65 trace_texture_destroy(struct trace_texture *tr_tex)
  66 {
  67    pipe_texture_reference(&tr_tex->texture, NULL);
  68    FREE(tr_tex);
  69 }
  70
  71
  72 struct pipe_surface *
  73 trace_surface_create(struct trace_texture *tr_tex,
  74                      struct pipe_surface *surface)
  75 {
  76    struct trace_surface *tr_surf;
  77
  78    if(!surface)
  79       goto error;
  80
  81    assert(surface->texture == tr_tex->texture);
  82
  83    tr_surf = CALLOC_STRUCT(trace_surface);
  84    if(!tr_surf)
  85       goto error;
  86
  87    memcpy(&tr_surf->base, surface, sizeof(struct pipe_surface));
  88
  89    pipe_reference_init(&tr_surf->base.reference, 1);
  90    tr_surf->base.texture = NULL;
  91    pipe_texture_reference(&tr_surf->base.texture, &tr_tex->base);
  92    tr_surf->surface = surface;
  93
  94    return &tr_surf->base;
  95
  96 error:
  97    pipe_surface_reference(&surface, NULL);
  98    return NULL;
  99 }
 100
 101
 102 void
 103 trace_surface_destroy(struct trace_surface *tr_surf)
 104 {
 105    pipe_texture_reference(&tr_surf->base.texture, NULL);
 106    pipe_surface_reference(&tr_surf->surface, NULL);
 107    FREE(tr_surf);
 108 }
 109
 110
 111 struct pipe_transfer *
 112 trace_transfer_create(struct trace_texture *tr_tex,
 113                      struct pipe_transfer *transfer)
 114 {
 115    struct trace_transfer *tr_trans;
 116
 117    if(!transfer)
 118       goto error;
 119
 120    assert(transfer->texture == tr_tex->texture);
 121
 122    tr_trans = CALLOC_STRUCT(trace_transfer);
 123    if(!tr_trans)
 124       goto error;
 125
 126    memcpy(&tr_trans->base, transfer, sizeof(struct pipe_transfer));
 127
 128    tr_trans->base.texture = NULL;
 129    pipe_texture_reference(&tr_trans->base.texture, &tr_tex->base);
 130    tr_trans->transfer = transfer;
 131    assert(tr_trans->base.texture == &tr_tex->base);
 132
 133    return &tr_trans->base;
 134
 135 error:
 136    transfer->texture->screen->tex_transfer_destroy(transfer);
 137    return NULL;
 138 }
 139
 140
 141 void
 142 trace_transfer_destroy(struct trace_transfer *tr_trans)
 143 {
 144    struct pipe_screen *screen = tr_trans->transfer->texture->screen;
 145    pipe_texture_reference(&tr_trans->base.texture, NULL);
 146    screen->tex_transfer_destroy(tr_trans->transfer);
 147    FREE(tr_trans);
 148 }
 149