Subversion Repositories Kolibri OS

/**************************************************************************

 *

 * Copyright 2009 VMware, Inc.

 * All Rights Reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the

 * "Software"), to deal in the Software without restriction, including

 * without limitation the rights to use, copy, modify, merge, publish,

 * distribute, sub license, and/or sell copies of the Software, and to

 * permit persons to whom the Software is furnished to do so, subject to

 * the following conditions:

 *

 * The above copyright notice and this permission notice (including the

 * next paragraph) shall be included in all copies or substantial portions

 * of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR

 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 *

 **************************************************************************/

#include "util/u_inlines.h"

#include "util/u_memory.h"

#include "id_screen.h"

#include "id_objects.h"

#include "id_context.h"

struct pipe_resource *

identity_resource_create(struct identity_screen *id_screen,

                        struct pipe_resource *resource)

{

   struct identity_resource *id_resource;

   if(!resource)

      goto error;

   assert(resource->screen == id_screen->screen);

   id_resource = CALLOC_STRUCT(identity_resource);

   if(!id_resource)

      goto error;

   memcpy(&id_resource->base, resource, sizeof(struct pipe_resource));

   pipe_reference_init(&id_resource->base.reference, 1);

   id_resource->base.screen = &id_screen->base;

   id_resource->resource = resource;

   return &id_resource->base;

error:

   pipe_resource_reference(&resource, NULL);

   return NULL;

}

void

identity_resource_destroy(struct identity_resource *id_resource)

{

   pipe_resource_reference(&id_resource->resource, NULL);

   FREE(id_resource);

}

struct pipe_surface *

identity_surface_create(struct identity_context *id_context,

                        struct identity_resource *id_resource,

                        struct pipe_surface *surface)

{

   struct identity_surface *id_surface;

   if(!surface)

      goto error;

   assert(surface->texture == id_resource->resource);

   id_surface = CALLOC_STRUCT(identity_surface);

   if(!id_surface)

      goto error;

   memcpy(&id_surface->base, surface, sizeof(struct pipe_surface));

   pipe_reference_init(&id_surface->base.reference, 1);

   id_surface->base.texture = NULL;

   pipe_resource_reference(&id_surface->base.texture, &id_resource->base);

   id_surface->surface = surface;

   return &id_surface->base;

error:

   pipe_surface_reference(&surface, NULL);

   return NULL;

}

void

identity_surface_destroy(struct identity_context *id_context,

                         struct identity_surface *id_surface)

{

   pipe_resource_reference(&id_surface->base.texture, NULL);

   id_context->pipe->surface_destroy(id_context->pipe,

                                     id_surface->surface);

   FREE(id_surface);

}

struct pipe_sampler_view *

identity_sampler_view_create(struct identity_context *id_context,

                             struct identity_resource *id_resource,

                             struct pipe_sampler_view *view)

{

   struct identity_sampler_view *id_view;

   if (!view)

      goto error;

   assert(view->texture == id_resource->resource);

   id_view = CALLOC_STRUCT(identity_sampler_view);

   id_view->base = *view;

   id_view->base.reference.count = 1;

   id_view->base.texture = NULL;

   pipe_resource_reference(&id_view->base.texture, id_resource->resource);

   id_view->base.context = id_context->pipe;

   id_view->sampler_view = view;

   return &id_view->base;

error:

   return NULL;

}

void

identity_sampler_view_destroy(struct identity_context *id_context,

                              struct identity_sampler_view *id_view)

{

   pipe_resource_reference(&id_view->base.texture, NULL);

   id_context->pipe->sampler_view_destroy(id_context->pipe,

                                          id_view->sampler_view);

   FREE(id_view);

}

struct pipe_transfer *

identity_transfer_map(struct identity_context *id_context,

                      struct identity_resource *id_resource,

                      struct pipe_transfer *transfer)

{

   struct identity_transfer *id_transfer;

   if(!transfer)

      goto error;

   assert(transfer->resource == id_resource->resource);

   id_transfer = CALLOC_STRUCT(identity_transfer);

   if(!id_transfer)

      goto error;

   memcpy(&id_transfer->base, transfer, sizeof(struct pipe_transfer));

   id_transfer->base.resource = NULL;

   id_transfer->transfer = transfer;

   pipe_resource_reference(&id_transfer->base.resource, &id_resource->base);

   assert(id_transfer->base.resource == &id_resource->base);

   return &id_transfer->base;

error:

   id_context->pipe->transfer_unmap(id_context->pipe, transfer);

   return NULL;

}

void

identity_transfer_destroy(struct identity_context *id_context,

                          struct identity_transfer *id_transfer)

{

   pipe_resource_reference(&id_transfer->base.resource, NULL);

   FREE(id_transfer);

}