src/gallium/drivers/identity/id_objects.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   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 VMWARE 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_inlines.h"
  29 #include "util/u_memory.h"
  30
  31 #include "id_public.h"
  32 #include "id_screen.h"
  33 #include "id_objects.h"
  34
  35 struct pipe_buffer *
  36 identity_buffer_create(struct identity_screen *id_screen,
  37                        struct pipe_buffer *buffer)
  38 {
  39    struct identity_buffer *id_buffer;
  40
  41    if(!buffer)
  42       goto error;
  43
  44    assert(buffer->screen == id_screen->screen);
  45
  46    id_buffer = CALLOC_STRUCT(identity_buffer);
  47    if(!id_buffer)
  48       goto error;
  49
  50    memcpy(&id_buffer->base, buffer, sizeof(struct pipe_buffer));
  51
  52    pipe_reference_init(&id_buffer->base.reference, 1);
  53    id_buffer->base.screen = &id_screen->base;
  54    id_buffer->buffer = buffer;
  55
  56    return &id_buffer->base;
  57
  58 error:
  59    pipe_buffer_reference(&buffer, NULL);
  60    return NULL;
  61 }
  62
  63 void
  64 identity_buffer_destroy(struct identity_buffer *id_buffer)
  65 {
  66    pipe_buffer_reference(&id_buffer->buffer, NULL);
  67    FREE(id_buffer);
  68 }
  69
  70
  71 struct pipe_texture *
  72 identity_texture_create(struct identity_screen *id_screen,
  73                         struct pipe_texture *texture)
  74 {
  75    struct identity_texture *id_texture;
  76
  77    if(!texture)
  78       goto error;
  79
  80    assert(texture->screen == id_screen->screen);
  81
  82    id_texture = CALLOC_STRUCT(identity_texture);
  83    if(!id_texture)
  84       goto error;
  85
  86    memcpy(&id_texture->base, texture, sizeof(struct pipe_texture));
  87
  88    pipe_reference_init(&id_texture->base.reference, 1);
  89    id_texture->base.screen = &id_screen->base;
  90    id_texture->texture = texture;
  91
  92    return &id_texture->base;
  93
  94 error:
  95    pipe_texture_reference(&texture, NULL);
  96    return NULL;
  97 }
  98
  99 void
 100 identity_texture_destroy(struct identity_texture *id_texture)
 101 {
 102    pipe_texture_reference(&id_texture->texture, NULL);
 103    FREE(id_texture);
 104 }
 105
 106
 107 struct pipe_surface *
 108 identity_surface_create(struct identity_texture *id_texture,
 109                         struct pipe_surface *surface)
 110 {
 111    struct identity_surface *id_surface;
 112
 113    if(!surface)
 114       goto error;
 115
 116    assert(surface->texture == id_texture->texture);
 117
 118    id_surface = CALLOC_STRUCT(identity_surface);
 119    if(!id_surface)
 120       goto error;
 121
 122    memcpy(&id_surface->base, surface, sizeof(struct pipe_surface));
 123
 124    pipe_reference_init(&id_surface->base.reference, 1);
 125    id_surface->base.texture = NULL;
 126    pipe_texture_reference(&id_surface->base.texture, &id_texture->base);
 127    id_surface->surface = surface;
 128
 129    return &id_surface->base;
 130
 131 error:
 132    pipe_surface_reference(&surface, NULL);
 133    return NULL;
 134 }
 135
 136 void
 137 identity_surface_destroy(struct identity_surface *id_surface)
 138 {
 139    pipe_texture_reference(&id_surface->base.texture, NULL);
 140    pipe_surface_reference(&id_surface->surface, NULL);
 141    FREE(id_surface);
 142 }
 143
 144
 145 struct pipe_transfer *
 146 identity_transfer_create(struct identity_texture *id_texture,
 147                          struct pipe_transfer *transfer)
 148 {
 149    struct identity_transfer *id_transfer;
 150
 151    if(!transfer)
 152       goto error;
 153
 154    assert(transfer->texture == id_texture->texture);
 155
 156    id_transfer = CALLOC_STRUCT(identity_transfer);
 157    if(!id_transfer)
 158       goto error;
 159
 160    memcpy(&id_transfer->base, transfer, sizeof(struct pipe_transfer));
 161
 162    id_transfer->base.texture = NULL;
 163    pipe_texture_reference(&id_transfer->base.texture, &id_texture->base);
 164    id_transfer->transfer = transfer;
 165    assert(id_transfer->base.texture == &id_texture->base);
 166
 167    return &id_transfer->base;
 168
 169 error:
 170    transfer->texture->screen->tex_transfer_destroy(transfer);
 171    return NULL;
 172 }
 173
 174 void
 175 identity_transfer_destroy(struct identity_transfer *id_transfer)
 176 {
 177    struct identity_screen *id_screen = identity_screen(id_transfer->base.texture->screen);
 178    struct pipe_screen *screen = id_screen->screen;
 179
 180    pipe_texture_reference(&id_transfer->base.texture, NULL);
 181    screen->tex_transfer_destroy(id_transfer->transfer);
 182    FREE(id_transfer);
 183 }
 184
 185 struct pipe_video_surface *
 186 identity_video_surface_create(struct identity_screen *id_screen,
 187                               struct pipe_video_surface *video_surface)
 188 {
 189    struct identity_video_surface *id_video_surface;
 190
 191    if (!video_surface) {
 192       goto error;
 193    }
 194
 195    assert(video_surface->screen == id_screen->screen);
 196
 197    id_video_surface = CALLOC_STRUCT(identity_video_surface);
 198    if (!id_video_surface) {
 199       goto error;
 200    }
 201
 202    memcpy(&id_video_surface->base,
 203           video_surface,
 204           sizeof(struct pipe_video_surface));
 205
 206    pipe_reference_init(&id_video_surface->base.reference, 1);
 207    id_video_surface->base.screen = &id_screen->base;
 208    id_video_surface->video_surface = video_surface;
 209
 210    return &id_video_surface->base;
 211
 212 error:
 213    pipe_video_surface_reference(&video_surface, NULL);
 214    return NULL;
 215 }
 216
 217 void
 218 identity_video_surface_destroy(struct identity_video_surface *id_video_surface)
 219 {
 220    pipe_video_surface_reference(&id_video_surface->video_surface, NULL);
 221    FREE(id_video_surface);
 222 }