src/gallium/drivers/galahad/glhd_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 "glhd_screen.h"
  32 #include "glhd_objects.h"
  33 #include "glhd_context.h"
  34
  35
  36
  37 struct pipe_resource *
  38 galahad_resource_create(struct galahad_screen *glhd_screen,
  39                         struct pipe_resource *resource)
  40 {
  41    struct galahad_resource *glhd_resource;
  42
  43    if(!resource)
  44       goto error;
  45
  46    assert(resource->screen == glhd_screen->screen);
  47
  48    glhd_resource = CALLOC_STRUCT(galahad_resource);
  49    if(!glhd_resource)
  50       goto error;
  51
  52    memcpy(&glhd_resource->base, resource, sizeof(struct pipe_resource));
  53
  54    pipe_reference_init(&glhd_resource->base.reference, 1);
  55    glhd_resource->base.screen = &glhd_screen->base;
  56    glhd_resource->resource = resource;
  57
  58    return &glhd_resource->base;
  59
  60 error:
  61    pipe_resource_reference(&resource, NULL);
  62    return NULL;
  63 }
  64
  65 void
  66 galahad_resource_destroy(struct galahad_resource *glhd_resource)
  67 {
  68    pipe_resource_reference(&glhd_resource->resource, NULL);
  69    FREE(glhd_resource);
  70 }
  71
  72
  73 struct pipe_surface *
  74 galahad_surface_create(struct galahad_context *glhd_context,
  75                         struct galahad_resource *glhd_resource,
  76                         struct pipe_surface *surface)
  77 {
  78    struct galahad_surface *glhd_surface;
  79
  80    if(!surface)
  81       goto error;
  82
  83    assert(surface->texture == glhd_resource->resource);
  84
  85    glhd_surface = CALLOC_STRUCT(galahad_surface);
  86    if(!glhd_surface)
  87       goto error;
  88
  89    memcpy(&glhd_surface->base, surface, sizeof(struct pipe_surface));
  90
  91    pipe_reference_init(&glhd_surface->base.reference, 1);
  92    glhd_surface->base.texture = NULL;
  93    pipe_resource_reference(&glhd_surface->base.texture, &glhd_resource->base);
  94    glhd_surface->surface = surface;
  95
  96    return &glhd_surface->base;
  97
  98 error:
  99    pipe_surface_reference(&surface, NULL);
 100    return NULL;
 101 }
 102
 103 void
 104 galahad_surface_destroy(struct galahad_context *glhd_context,
 105                          struct galahad_surface *glhd_surface)
 106 {
 107    pipe_resource_reference(&glhd_surface->base.texture, NULL);
 108    pipe_surface_reference(&glhd_surface->surface, NULL);
 109    FREE(glhd_surface);
 110 }
 111
 112
 113 struct pipe_sampler_view *
 114 galahad_sampler_view_create(struct galahad_context *glhd_context,
 115                              struct galahad_resource *glhd_resource,
 116                              struct pipe_sampler_view *view)
 117 {
 118    struct galahad_sampler_view *glhd_view;
 119
 120    if (!view)
 121       goto error;
 122
 123    assert(view->texture == glhd_resource->resource);
 124
 125    glhd_view = CALLOC_STRUCT(galahad_sampler_view);
 126
 127    glhd_view->base = *view;
 128    glhd_view->base.reference.count = 1;
 129    glhd_view->base.texture = NULL;
 130    pipe_resource_reference(&glhd_view->base.texture, &glhd_resource->base);
 131    glhd_view->base.context = &glhd_context->base;
 132    glhd_view->sampler_view = view;
 133
 134    return &glhd_view->base;
 135 error:
 136    return NULL;
 137 }
 138
 139 void
 140 galahad_sampler_view_destroy(struct galahad_context *glhd_context,
 141                               struct galahad_sampler_view *glhd_view)
 142 {
 143    pipe_sampler_view_reference(&glhd_view->sampler_view, NULL);
 144    pipe_resource_reference(&glhd_view->base.texture, NULL);
 145    FREE(glhd_view);
 146 }
 147
 148
 149 struct pipe_transfer *
 150 galahad_transfer_create(struct galahad_context *glhd_context,
 151                          struct galahad_resource *glhd_resource,
 152                          struct pipe_transfer *transfer)
 153 {
 154    struct galahad_transfer *glhd_transfer;
 155
 156    if(!transfer)
 157       goto error;
 158
 159    assert(transfer->resource == glhd_resource->resource);
 160
 161    glhd_transfer = CALLOC_STRUCT(galahad_transfer);
 162    if(!glhd_transfer)
 163       goto error;
 164
 165    memcpy(&glhd_transfer->base, transfer, sizeof(struct pipe_transfer));
 166
 167    glhd_transfer->base.resource = NULL;
 168    glhd_transfer->transfer = transfer;
 169
 170    pipe_resource_reference(&glhd_transfer->base.resource, &glhd_resource->base);
 171    assert(glhd_transfer->base.resource == &glhd_resource->base);
 172
 173    return &glhd_transfer->base;
 174
 175 error:
 176    glhd_context->pipe->transfer_unmap(glhd_context->pipe, transfer);
 177    return NULL;
 178 }
 179
 180 void
 181 galahad_transfer_destroy(struct galahad_context *glhd_context,
 182                           struct galahad_transfer *glhd_transfer)
 183 {
 184    pipe_resource_reference(&glhd_transfer->base.resource, NULL);
 185    FREE(glhd_transfer);
 186 }