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  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. }
  187.