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      1 /*
      2  * Copyright 2012 Advanced Micro Devices, Inc.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * on the rights to use, copy, modify, merge, publish, distribute, sub
      8  * license, and/or sell copies of the Software, and to permit persons to whom
      9  * the Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
     19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
     22  *
     23  * Authors:
     24  *      Christian Knig <christian.koenig (at) amd.com>
     25  */
     26 
     27 #ifndef RADEONSI_RESOURCE_H
     28 #define RADEONSI_RESOURCE_H
     29 
     30 #include "../../winsys/radeon/drm/radeon_winsys.h"
     31 #include "util/u_transfer.h"
     32 #include "util/u_inlines.h"
     33 
     34 struct si_resource {
     35 	struct u_resource		b;
     36 
     37 	/* Winsys objects. */
     38 	struct pb_buffer		*buf;
     39 	struct radeon_winsys_cs_handle	*cs_buf;
     40 
     41 	/* Resource state. */
     42 	unsigned			domains;
     43 };
     44 
     45 static INLINE void
     46 si_resource_reference(struct si_resource **ptr, struct si_resource *res)
     47 {
     48 	pipe_resource_reference((struct pipe_resource **)ptr,
     49 				(struct pipe_resource *)res);
     50 }
     51 
     52 static INLINE struct si_resource *
     53 si_resource(struct pipe_resource *r)
     54 {
     55         return (struct si_resource*)r;
     56 }
     57 
     58 static INLINE struct si_resource *
     59 si_resource_create_custom(struct pipe_screen *screen,
     60 			  unsigned usage, unsigned size)
     61 {
     62 	assert(size);
     63 	return si_resource(pipe_buffer_create(screen,
     64 		PIPE_BIND_CUSTOM, usage, size));
     65 }
     66 
     67 #endif
     68