1 /*
2  * Copyright 2010 Marek Olšák <maraeo@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