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 "r600.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 #define R600_RESOURCE_FLAG_FLUSHED_DEPTH	(PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
31 #define R600_RESOURCE_FLAG_FORCE_TILING		(PIPE_RESOURCE_FLAG_DRV_PRIV << 2)
32 
33 struct r600_transfer {
34 	struct pipe_transfer		transfer;
35 	struct r600_resource		*staging;
36 	unsigned			offset;
37 };
38 
39 struct compute_memory_item;
40 
41 struct r600_resource_global {
42 	struct r600_resource base;
43 	struct compute_memory_item *chunk;
44 };
45 
46 struct r600_texture {
47 	struct r600_resource		resource;
48 
49 	unsigned			array_mode[PIPE_MAX_TEXTURE_LEVELS];
50 	unsigned			pitch_override;
51 	unsigned			size;
52 	unsigned			tile_type;
53 	bool				is_depth;
54 	bool				is_rat;
55 	unsigned			dirty_level_mask; /* each bit says if that mipmap is compressed */
56 	struct r600_texture		*flushed_depth_texture;
57 	boolean				is_flushing_texture;
58 	struct radeon_surface		surface;
59 
60 	/* FMASK and CMASK can only be used with MSAA textures for now.
61 	 * MSAA textures cannot have mipmaps. */
62 	unsigned			fmask_offset, fmask_size, fmask_bank_height;
63 	unsigned			cmask_offset, cmask_size, cmask_slice_tile_max;
64 };
65 
66 #define R600_TEX_IS_TILED(tex, level) ((tex)->array_mode[level] != V_038000_ARRAY_LINEAR_GENERAL && (tex)->array_mode[level] != V_038000_ARRAY_LINEAR_ALIGNED)
67 
68 struct r600_fmask_info {
69 	unsigned size;
70 	unsigned alignment;
71 	unsigned bank_height;
72 };
73 
74 struct r600_cmask_info {
75 	unsigned size;
76 	unsigned alignment;
77 	unsigned slice_tile_max;
78 };
79 
80 struct r600_surface {
81 	struct pipe_surface		base;
82 
83 	bool color_initialized;
84 	bool depth_initialized;
85 
86 	/* Misc. color flags. */
87 	bool alphatest_bypass;
88 	bool export_16bpc;
89 
90 	/* Color registers. */
91 	unsigned cb_color_info;
92 	unsigned cb_color_base;
93 	unsigned cb_color_view;
94 	unsigned cb_color_size;		/* R600 only */
95 	unsigned cb_color_dim;		/* EG only */
96 	unsigned cb_color_pitch;	/* EG only */
97 	unsigned cb_color_slice;	/* EG only */
98 	unsigned cb_color_attrib;	/* EG only */
99 	unsigned cb_color_fmask;	/* CB_COLORn_FMASK (EG) or CB_COLORn_FRAG (r600) */
100 	unsigned cb_color_fmask_slice;	/* EG only */
101 	unsigned cb_color_cmask;	/* CB_COLORn_CMASK (EG) or CB_COLORn_TILE (r600) */
102 	unsigned cb_color_cmask_slice;	/* EG only */
103 	unsigned cb_color_mask;		/* R600 only */
104 	struct r600_resource *cb_buffer_fmask; /* Used for FMASK relocations. R600 only */
105 	struct r600_resource *cb_buffer_cmask; /* Used for CMASK relocations. R600 only */
106 
107 	/* DB registers. */
108 	unsigned db_depth_info;		/* DB_Z_INFO (EG) or DB_DEPTH_INFO (r600) */
109 	unsigned db_depth_base;		/* DB_Z_READ/WRITE_BASE (EG) or DB_DEPTH_BASE (r600) */
110 	unsigned db_depth_view;
111 	unsigned db_depth_size;
112 	unsigned db_depth_slice;	/* EG only */
113 	unsigned db_stencil_base;	/* EG only */
114 	unsigned db_stencil_info;	/* EG only */
115 	unsigned db_prefetch_limit;	/* R600 only */
116 };
117 
118 void r600_resource_destroy(struct pipe_screen *screen, struct pipe_resource *res);
119 void r600_init_screen_resource_functions(struct pipe_screen *screen);
120 
121 /* r600_texture */
122 void r600_texture_get_fmask_info(struct r600_screen *rscreen,
123 				 struct r600_texture *rtex,
124 				 unsigned nr_samples,
125 				 struct r600_fmask_info *out);
126 void r600_texture_get_cmask_info(struct r600_screen *rscreen,
127 				 struct r600_texture *rtex,
128 				 struct r600_cmask_info *out);
129 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
130 					const struct pipe_resource *templ);
131 struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
132 						const struct pipe_resource *base,
133 						struct winsys_handle *whandle);
134 
r600_resource(struct pipe_resource * r)135 static INLINE struct r600_resource *r600_resource(struct pipe_resource *r)
136 {
137 	return (struct r600_resource*)r;
138 }
139 
140 bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
141 				     struct pipe_resource *texture,
142 				     struct r600_texture **staging);
143 
144 /* r600_texture.c texture transfer functions. */
145 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
146 						struct pipe_resource *texture,
147 						unsigned level,
148 						unsigned usage,
149 						const struct pipe_box *box);
150 void r600_texture_transfer_destroy(struct pipe_context *ctx,
151 				   struct pipe_transfer *trans);
152 void* r600_texture_transfer_map(struct pipe_context *ctx,
153 				struct pipe_transfer* transfer);
154 void r600_texture_transfer_unmap(struct pipe_context *ctx,
155 				 struct pipe_transfer* transfer);
156 
157 #endif
158