text: /**************************************************************************
   *
   * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
   * 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
   * THE COPYRIGHT HOLDERS, AUTHORS 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.
   *
   **************************************************************************/
  
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"
  #endif
  
  #include <errno.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "libdrm_macros.h"
  #include "internal.h"
  
  int kms_create(int fd, struct kms_driver **out)
  {
  	return linux_create(fd, out);
  }
  
  int kms_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
  {
  	switch (key) {
  	case KMS_BO_TYPE:
  		break;
  	default:
  		return -EINVAL;
  	}
  	return kms->get_prop(kms, key, out);
  }
  
  int kms_destroy(struct kms_driver **kms)
  {
  	if (!(*kms))
  		return 0;
  
  	free(*kms);
  	*kms = NULL;
  	return 0;
  }
  
  int kms_bo_create(struct kms_driver *kms, const unsigned *attr, struct kms_bo **out)
  {
  	unsigned width = 0;
  	unsigned height = 0;
  	enum kms_bo_type type = KMS_BO_TYPE_SCANOUT_X8R8G8B8;
  	int i;
  
  	for (i = 0; attr[i];) {
  		unsigned key = attr[i++];
  		unsigned value = attr[i++];
  
  		switch (key) {
  		case KMS_WIDTH:
  			width = value;
  			break;
  		case KMS_HEIGHT:
  			height = value;
  			break;
  		case KMS_BO_TYPE:
  			type = value;
  			break;
  		default:
  			return -EINVAL;
  		}
  	}
  
  	if (width == 0 || height == 0)
  		return -EINVAL;
  
  	/* XXX sanity check type */
  
  	if (type == KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8 &&
  	    (width != 64 || height != 64))
  		return -EINVAL;
  
  	return kms->bo_create(kms, width, height, type, attr, out);
  }
  
  int kms_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
  {
  	switch (key) {
  	case KMS_PITCH:
  		*out = bo->pitch;
  		break;
  	case KMS_HANDLE:
  		*out = bo->handle;
  		break;
  	default:
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  int kms_bo_map(struct kms_bo *bo, void **out)
  {
  	return bo->kms->bo_map(bo, out);
  }
  
  int kms_bo_unmap(struct kms_bo *bo)
  {
  	return bo->kms->bo_unmap(bo);
  }
  
  int kms_bo_destroy(struct kms_bo **bo)
  {
  	int ret;
  
  	if (!(*bo))
  		return 0;
  
  	ret = (*bo)->kms->bo_destroy(*bo);
  	if (ret)
  		return ret;
  
  	*bo = NULL;
  	return 0;
  }
  