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 "glhd_screen.h"

#include "glhd_objects.h"

#include "glhd_context.h"

struct pipe_resource *

galahad_resource_create(struct galahad_screen *glhd_screen,

                        struct pipe_resource *resource)

{

   struct galahad_resource *glhd_resource;

   if(!resource)

      goto error;

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

   glhd_resource = CALLOC_STRUCT(galahad_resource);

   if(!glhd_resource)

      goto error;

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

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

   glhd_resource->base.screen = &glhd_screen->base;

   glhd_resource->resource = resource;

   return &glhd_resource->base;

error:

   pipe_resource_reference(&resource, NULL);

   return NULL;

}

void

galahad_resource_destroy(struct galahad_resource *glhd_resource)

{

   pipe_resource_reference(&glhd_resource->resource, NULL);

   FREE(glhd_resource);

}

struct pipe_surface *

galahad_surface_create(struct galahad_context *glhd_context,

                        struct galahad_resource *glhd_resource,

                        struct pipe_surface *surface)

{

   struct galahad_surface *glhd_surface;

   if(!surface)

      goto error;

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

   glhd_surface = CALLOC_STRUCT(galahad_surface);

   if(!glhd_surface)

      goto error;

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

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

   glhd_surface->base.texture = NULL;

   pipe_resource_reference(&glhd_surface->base.texture, &glhd_resource->base);

   glhd_surface->surface = surface;

   return &glhd_surface->base;

error:

   pipe_surface_reference(&surface, NULL);

   return NULL;

}

void

galahad_surface_destroy(struct galahad_context *glhd_context,

                         struct galahad_surface *glhd_surface)

{

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

   pipe_surface_reference(&glhd_surface->surface, NULL);

   FREE(glhd_surface);

}

struct pipe_sampler_view *

galahad_sampler_view_create(struct galahad_context *glhd_context,

                             struct galahad_resource *glhd_resource,

                             struct pipe_sampler_view *view)

{

   struct galahad_sampler_view *glhd_view;

   if (!view)

      goto error;

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

   glhd_view = CALLOC_STRUCT(galahad_sampler_view);

   glhd_view->base = *view;

   glhd_view->base.reference.count = 1;

   glhd_view->base.texture = NULL;

   pipe_resource_reference(&glhd_view->base.texture, &glhd_resource->base);

   glhd_view->base.context = &glhd_context->base;

   glhd_view->sampler_view = view;

   return &glhd_view->base;

error:

   return NULL;

}

void

galahad_sampler_view_destroy(struct galahad_context *glhd_context,

                              struct galahad_sampler_view *glhd_view)

{

   pipe_sampler_view_reference(&glhd_view->sampler_view, NULL);

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

   FREE(glhd_view);

}

struct pipe_transfer *

galahad_transfer_create(struct galahad_context *glhd_context,

                         struct galahad_resource *glhd_resource,

                         struct pipe_transfer *transfer)

{

   struct galahad_transfer *glhd_transfer;

   if(!transfer)

      goto error;

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

   glhd_transfer = CALLOC_STRUCT(galahad_transfer);

   if(!glhd_transfer)

      goto error;

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

   glhd_transfer->base.resource = NULL;

   glhd_transfer->transfer = transfer;

   pipe_resource_reference(&glhd_transfer->base.resource, &glhd_resource->base);

   assert(glhd_transfer->base.resource == &glhd_resource->base);

   return &glhd_transfer->base;

error:

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

   return NULL;

}

void

galahad_transfer_destroy(struct galahad_context *glhd_context,

                          struct galahad_transfer *glhd_transfer)

{

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

   FREE(glhd_transfer);

}