2 * Mesa 3-D graphics library
4 * Copyright (C) 2012-2013 LunarG, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
25 * Chia-I Wu <olv@lunarg.com>
31 #include "ilo_common.h"
32 #include "ilo_context.h"
33 #include "ilo_state.h"
34 #include "ilo_resource.h"
37 ilo_blit_resolve_slices_for_hiz(struct ilo_context
*ilo
,
38 struct pipe_resource
*res
, unsigned level
,
39 unsigned first_slice
, unsigned num_slices
,
40 unsigned resolve_flags
);
43 ilo_blit_resolve_slices(struct ilo_context
*ilo
,
44 struct pipe_resource
*res
, unsigned level
,
45 unsigned first_slice
, unsigned num_slices
,
46 unsigned resolve_flags
)
48 struct ilo_texture
*tex
;
51 if (res
->target
== PIPE_BUFFER
)
54 tex
= ilo_texture(res
);
57 * This function is called frequently and we need to make it run faster.
58 * As it is only used to resolve HiZ right now, return early when there is
61 if (tex
->image
.aux
.type
!= ILO_IMAGE_AUX_HIZ
||
62 !ilo_image_can_enable_aux(&tex
->image
, level
))
65 if (tex
->image
.aux
.type
== ILO_IMAGE_AUX_HIZ
&&
66 ilo_image_can_enable_aux(&tex
->image
, level
)) {
67 ilo_blit_resolve_slices_for_hiz(ilo
, res
, level
,
68 first_slice
, num_slices
, resolve_flags
);
72 ILO_TEXTURE_CPU_WRITE
|
73 ILO_TEXTURE_BLT_WRITE
|
74 ILO_TEXTURE_RENDER_WRITE
;
75 /* when there is a new writer, we may need to clear ILO_TEXTURE_CLEAR */
76 if (resolve_flags
& slice_mask
)
77 slice_mask
|= ILO_TEXTURE_CLEAR
;
79 ilo_texture_set_slice_flags(tex
, level
,
80 first_slice
, num_slices
, slice_mask
, resolve_flags
);
84 ilo_blit_resolve_resource(struct ilo_context
*ilo
,
85 struct pipe_resource
*res
,
86 unsigned resolve_flags
)
90 for (lv
= 0; lv
<= res
->last_level
; lv
++) {
91 const unsigned num_slices
= (res
->target
== PIPE_TEXTURE_3D
) ?
92 u_minify(res
->depth0
, lv
) : res
->array_size
;
94 ilo_blit_resolve_slices(ilo
, res
, lv
, 0, num_slices
, resolve_flags
);
99 ilo_blit_resolve_surface(struct ilo_context
*ilo
,
100 struct pipe_surface
*surf
,
101 unsigned resolve_flags
)
103 if (surf
->texture
->target
== PIPE_BUFFER
)
106 ilo_blit_resolve_slices(ilo
, surf
->texture
,
107 surf
->u
.tex
.level
, surf
->u
.tex
.first_layer
,
108 surf
->u
.tex
.last_layer
- surf
->u
.tex
.first_layer
+ 1,
113 ilo_blit_resolve_transfer(struct ilo_context
*ilo
,
114 const struct pipe_transfer
*xfer
)
116 unsigned resolve_flags
= 0;
118 if (xfer
->resource
->target
== PIPE_BUFFER
)
121 if (xfer
->usage
& PIPE_TRANSFER_READ
)
122 resolve_flags
|= ILO_TEXTURE_CPU_READ
;
123 if (xfer
->usage
& PIPE_TRANSFER_WRITE
)
124 resolve_flags
|= ILO_TEXTURE_CPU_WRITE
;
126 ilo_blit_resolve_slices(ilo
, xfer
->resource
, xfer
->level
,
127 xfer
->box
.z
, xfer
->box
.depth
, resolve_flags
);
131 ilo_blit_resolve_view(struct ilo_context
*ilo
,
132 const struct pipe_sampler_view
*view
)
134 const unsigned resolve_flags
= ILO_TEXTURE_RENDER_READ
;
137 if (view
->texture
->target
== PIPE_BUFFER
)
140 for (lv
= view
->u
.tex
.first_level
; lv
<= view
->u
.tex
.last_level
; lv
++) {
141 unsigned first_slice
, num_slices
;
143 if (view
->texture
->target
== PIPE_TEXTURE_3D
) {
145 num_slices
= u_minify(view
->texture
->depth0
, lv
);
148 first_slice
= view
->u
.tex
.first_layer
;
149 num_slices
= view
->u
.tex
.last_layer
- view
->u
.tex
.first_layer
+ 1;
152 ilo_blit_resolve_slices(ilo
, view
->texture
,
153 lv
, first_slice
, num_slices
, resolve_flags
);
158 ilo_blit_resolve_framebuffer(struct ilo_context
*ilo
)
160 struct ilo_state_vector
*vec
= &ilo
->state_vector
;
161 const struct pipe_framebuffer_state
*fb
= &vec
->fb
.state
;
164 /* Not all bound views are sampled by the shaders. How do we tell? */
165 for (sh
= 0; sh
< Elements(vec
->view
); sh
++) {
166 for (i
= 0; i
< vec
->view
[sh
].count
; i
++) {
167 if (vec
->view
[sh
].states
[i
])
168 ilo_blit_resolve_view(ilo
, vec
->view
[sh
].states
[i
]);
172 for (i
= 0; i
< fb
->nr_cbufs
; i
++) {
173 struct pipe_surface
*surf
= fb
->cbufs
[i
];
175 ilo_blit_resolve_surface(ilo
, surf
, ILO_TEXTURE_RENDER_WRITE
);
179 ilo_blit_resolve_surface(ilo
, fb
->zsbuf
, ILO_TEXTURE_RENDER_WRITE
);
183 ilo_init_blit_functions(struct ilo_context
*ilo
);
185 #endif /* ILO_BLIT_H */