swr_resource.h revision 01e04c3f 
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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"),
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9 * Software is furnished to do so, subject to the following conditions:
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11 * The above copyright notice and this permission notice (including the next
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13 * Software.
14 *
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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23
24#ifndef SWR_RESOURCE_H
25#define SWR_RESOURCE_H
26
27#include "pipe/p_state.h"
28#include "api.h"
29
30struct sw_displaytarget;
31
32enum swr_resource_status {
33   SWR_RESOURCE_UNUSED = 0x0,
34   SWR_RESOURCE_READ = 0x1,
35   SWR_RESOURCE_WRITE = 0x2,
36};
37
38struct 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
63static INLINE struct swr_resource *
64swr_resource(struct pipe_resource *resource)
65{
66   return (struct swr_resource *)resource;
67}
68
69static INLINE boolean
70swr_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
91static INLINE uint8_t *
92swr_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
102void swr_invalidate_render_target(struct pipe_context *pipe,
103                                  uint32_t attachment,
104                                  uint16_t width, uint16_t height);
105
106void swr_store_render_target(struct pipe_context *pipe,
107                             uint32_t attachment,
108                             enum SWR_TILE_STATE post_tile_state);
109
110void swr_store_dirty_resource(struct pipe_context *pipe,
111                              struct pipe_resource *resource,
112                              enum SWR_TILE_STATE post_tile_state);
113
114void 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 */
120static INLINE enum
121swr_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
126static INLINE void
127swr_resource_read(struct pipe_resource *resource)
128{
129   swr_resource(resource)->status |= SWR_RESOURCE_READ;
130}
131
132static INLINE void
133swr_resource_write(struct pipe_resource *resource)
134{
135   swr_resource(resource)->status |= SWR_RESOURCE_WRITE;
136}
137
138static INLINE void
139swr_resource_unused(struct pipe_resource *resource)
140{
141   swr_resource(resource)->status = SWR_RESOURCE_UNUSED;
142}
143
144#endif
145