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      1 /*
      2  * Copyright 2010 Marek Olk <maraeo (at) gmail.com
      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 #ifndef R600_RESOURCE_H
     24 #define R600_RESOURCE_H
     25 
     26 #include "util/u_transfer.h"
     27 
     28 /* flag to indicate a resource is to be used as a transfer so should not be tiled */
     29 #define R600_RESOURCE_FLAG_TRANSFER     PIPE_RESOURCE_FLAG_DRV_PRIV
     30 
     31 /* Texture transfer. */
     32 struct r600_transfer {
     33 	/* Base class. */
     34 	struct pipe_transfer		transfer;
     35 	/* Buffer transfer. */
     36 	struct pipe_transfer		*buffer_transfer;
     37 	unsigned			offset;
     38 	struct pipe_resource		*staging_texture;
     39 };
     40 
     41 struct r600_resource_texture {
     42 	struct si_resource		resource;
     43 
     44 	/* If this resource is a depth-stencil buffer on evergreen, this contains
     45 	 * the depth part of the format. There is a separate stencil resource
     46 	 * for the stencil buffer below. */
     47 	enum pipe_format		real_format;
     48 
     49 	unsigned			pitch_override;
     50 	unsigned			depth;
     51 	unsigned			dirty_db;
     52 	struct r600_resource_texture	*flushed_depth_texture;
     53 	boolean				is_flushing_texture;
     54 	struct radeon_surface		surface;
     55 };
     56 
     57 struct r600_surface {
     58 	struct pipe_surface		base;
     59 };
     60 
     61 void r600_init_screen_resource_functions(struct pipe_screen *screen);
     62 
     63 /* r600_texture */
     64 struct pipe_resource *si_texture_create(struct pipe_screen *screen,
     65 					const struct pipe_resource *templ);
     66 struct pipe_resource *si_texture_from_handle(struct pipe_screen *screen,
     67 					     const struct pipe_resource *base,
     68 					     struct winsys_handle *whandle);
     69 
     70 int r600_texture_depth_flush(struct pipe_context *ctx, struct pipe_resource *texture, boolean just_create);
     71 
     72 
     73 struct r600_context;
     74 
     75 void r600_upload_const_buffer(struct r600_context *rctx, struct si_resource **rbuffer,
     76 			      const uint8_t *ptr, unsigned size,
     77 			      uint32_t *const_offset);
     78 
     79 #endif
     80