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 "memory/SurfaceState.h"
28#include "pipe/p_state.h"
29#include "api.h"
30
31struct sw_displaytarget;
32
33enum swr_resource_status {
34   SWR_RESOURCE_UNUSED = 0x0,
35   SWR_RESOURCE_READ = 0x1,
36   SWR_RESOURCE_WRITE = 0x2,
37};
38
39struct swr_resource {
40   struct pipe_resource base;
41
42   bool has_depth;
43   bool has_stencil;
44
45   SWR_SURFACE_STATE swr;
46   SWR_SURFACE_STATE secondary; /* for faking depth/stencil merged formats */
47
48   struct sw_displaytarget *display_target;
49
50   /* If resource is multisample, then this points to a alternate resource
51    * containing the resolved multisample surface, otherwise null */
52   struct pipe_resource *resolve_target;
53
54   size_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
55   size_t secondary_mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
56
57   enum swr_resource_status status;
58
59   /* last pipe that used (validated) this resource */
60   struct pipe_context *curr_pipe;
61};
62
63
64static INLINE struct swr_resource *
65swr_resource(struct pipe_resource *resource)
66{
67   return (struct swr_resource *)resource;
68}
69
70static INLINE bool
71swr_resource_is_texture(const struct pipe_resource *resource)
72{
73   switch (resource->target) {
74   case PIPE_BUFFER:
75      return false;
76   case PIPE_TEXTURE_1D:
77   case PIPE_TEXTURE_1D_ARRAY:
78   case PIPE_TEXTURE_2D:
79   case PIPE_TEXTURE_2D_ARRAY:
80   case PIPE_TEXTURE_RECT:
81   case PIPE_TEXTURE_3D:
82   case PIPE_TEXTURE_CUBE:
83   case PIPE_TEXTURE_CUBE_ARRAY:
84      return true;
85   default:
86      assert(0);
87      return false;
88   }
89}
90
91
92static INLINE uint8_t *
93swr_resource_data(struct pipe_resource *resource)
94{
95   struct swr_resource *swr_r = swr_resource(resource);
96
97   assert(!swr_resource_is_texture(resource));
98
99   return (uint8_t*)(swr_r->swr.xpBaseAddress);
100}
101
102
103void swr_invalidate_render_target(struct pipe_context *pipe,
104                                  uint32_t attachment,
105                                  uint16_t width, uint16_t height);
106
107void swr_store_render_target(struct pipe_context *pipe,
108                             uint32_t attachment,
109                             enum SWR_TILE_STATE post_tile_state);
110
111void swr_store_dirty_resource(struct pipe_context *pipe,
112                              struct pipe_resource *resource,
113                              enum SWR_TILE_STATE post_tile_state);
114
115void swr_update_resource_status(struct pipe_context *,
116                                const struct pipe_draw_info *);
117
118/*
119 * Functions to indicate a resource's in-use status.
120 */
121static INLINE enum
122swr_resource_status & operator|=(enum swr_resource_status & a,
123                                 enum swr_resource_status  b) {
124   return (enum swr_resource_status &)((int&)a |= (int)b);
125}
126
127static INLINE void
128swr_resource_read(struct pipe_resource *resource)
129{
130   swr_resource(resource)->status |= SWR_RESOURCE_READ;
131}
132
133static INLINE void
134swr_resource_write(struct pipe_resource *resource)
135{
136   swr_resource(resource)->status |= SWR_RESOURCE_WRITE;
137}
138
139static INLINE void
140swr_resource_unused(struct pipe_resource *resource)
141{
142   swr_resource(resource)->status = SWR_RESOURCE_UNUSED;
143}
144
145#endif
146