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1 /****************************************************************************
2  * Copyright (C) 2015 Intel Corporation.   All Rights Reserved.
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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  ***************************************************************************/
23 
24 #ifndef SWR_RESOURCE_H
25 #define SWR_RESOURCE_H
26 
27 #include "pipe/p_state.h"
28 #include "api.h"
29 
30 struct sw_displaytarget;
31 
32 enum swr_resource_status {
33    SWR_RESOURCE_UNUSED = 0x0,
34    SWR_RESOURCE_READ = 0x1,
35    SWR_RESOURCE_WRITE = 0x2,
36 };
37 
38 struct swr_resource {
39    struct pipe_resource base;
40 
41    bool has_depth;
42    bool has_stencil;
43 
44    SWR_SURFACE_STATE swr;
45    SWR_SURFACE_STATE secondary; /* for faking depth/stencil merged formats */
46 
47    struct sw_displaytarget *display_target;
48 
49    /* If resource is multisample, then this points to a alternate resource
50     * containing the resolved multisample surface, otherwise null */
51    struct pipe_resource *resolve_target;
52 
53    size_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
54    size_t secondary_mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
55 
56    enum swr_resource_status status;
57 
58    /* last pipe that used (validated) this resource */
59    struct pipe_context *curr_pipe;
60 };
61 
62 
63 static INLINE struct swr_resource *
swr_resource(struct pipe_resource * resource)64 swr_resource(struct pipe_resource *resource)
65 {
66    return (struct swr_resource *)resource;
67 }
68 
69 static INLINE boolean
swr_resource_is_texture(const struct pipe_resource * resource)70 swr_resource_is_texture(const struct pipe_resource *resource)
71 {
72    switch (resource->target) {
73    case PIPE_BUFFER:
74       return FALSE;
75    case PIPE_TEXTURE_1D:
76    case PIPE_TEXTURE_1D_ARRAY:
77    case PIPE_TEXTURE_2D:
78    case PIPE_TEXTURE_2D_ARRAY:
79    case PIPE_TEXTURE_RECT:
80    case PIPE_TEXTURE_3D:
81    case PIPE_TEXTURE_CUBE:
82    case PIPE_TEXTURE_CUBE_ARRAY:
83       return TRUE;
84    default:
85       assert(0);
86       return FALSE;
87    }
88 }
89 
90 
91 static INLINE uint8_t *
swr_resource_data(struct pipe_resource * resource)92 swr_resource_data(struct pipe_resource *resource)
93 {
94    struct swr_resource *swr_r = swr_resource(resource);
95 
96    assert(!swr_resource_is_texture(resource));
97 
98    return (uint8_t*)(swr_r->swr.xpBaseAddress);
99 }
100 
101 
102 void swr_invalidate_render_target(struct pipe_context *pipe,
103                                   uint32_t attachment,
104                                   uint16_t width, uint16_t height);
105 
106 void swr_store_render_target(struct pipe_context *pipe,
107                              uint32_t attachment,
108                              enum SWR_TILE_STATE post_tile_state);
109 
110 void swr_store_dirty_resource(struct pipe_context *pipe,
111                               struct pipe_resource *resource,
112                               enum SWR_TILE_STATE post_tile_state);
113 
114 void swr_update_resource_status(struct pipe_context *,
115                                 const struct pipe_draw_info *);
116 
117 /*
118  * Functions to indicate a resource's in-use status.
119  */
120 static INLINE enum
121 swr_resource_status & operator|=(enum swr_resource_status & a,
122                                  enum swr_resource_status  b) {
123    return (enum swr_resource_status &)((int&)a |= (int)b);
124 }
125 
126 static INLINE void
swr_resource_read(struct pipe_resource * resource)127 swr_resource_read(struct pipe_resource *resource)
128 {
129    swr_resource(resource)->status |= SWR_RESOURCE_READ;
130 }
131 
132 static INLINE void
swr_resource_write(struct pipe_resource * resource)133 swr_resource_write(struct pipe_resource *resource)
134 {
135    swr_resource(resource)->status |= SWR_RESOURCE_WRITE;
136 }
137 
138 static INLINE void
swr_resource_unused(struct pipe_resource * resource)139 swr_resource_unused(struct pipe_resource *resource)
140 {
141    swr_resource(resource)->status = SWR_RESOURCE_UNUSED;
142 }
143 
144 #endif
145