1 /**************************************************************************
3 * Copyright 2011 Advanced Micro Devices, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Christian König <christian.koenig@amd.com>
34 #include <sys/types.h>
39 #include "pipe/p_video_codec.h"
41 #include "util/u_memory.h"
42 #include "util/u_video.h"
44 #include "vl/vl_defines.h"
45 #include "vl/vl_mpeg12_decoder.h"
47 #include "r600_pipe.h"
48 #include "radeon_video.h"
49 #include "radeon_uvd.h"
50 #include "radeon_vce.h"
53 #define R600_UVD_ENABLE_TILING 0
56 * creates an video buffer with an UVD compatible memory layout
58 struct pipe_video_buffer
*r600_video_buffer_create(struct pipe_context
*pipe
,
59 const struct pipe_video_buffer
*tmpl
)
61 struct r600_context
*ctx
= (struct r600_context
*)pipe
;
62 struct r600_texture
*resources
[VL_NUM_COMPONENTS
] = {};
63 struct radeon_surf
* surfaces
[VL_NUM_COMPONENTS
] = {};
64 struct pb_buffer
**pbs
[VL_NUM_COMPONENTS
] = {};
65 const enum pipe_format
*resource_formats
;
66 struct pipe_video_buffer
template;
67 struct pipe_resource templ
;
68 unsigned i
, array_size
;
72 /* first create the needed resources as "normal" textures */
73 resource_formats
= vl_video_buffer_formats(pipe
->screen
, tmpl
->buffer_format
);
74 if (!resource_formats
)
77 array_size
= tmpl
->interlaced
? 2 : 1;
79 template.width
= align(tmpl
->width
, VL_MACROBLOCK_WIDTH
);
80 template.height
= align(tmpl
->height
/ array_size
, VL_MACROBLOCK_HEIGHT
);
82 vl_video_buffer_template(&templ
, &template, resource_formats
[0], 1, array_size
, PIPE_USAGE_DEFAULT
, 0);
83 if (ctx
->b
.chip_class
< EVERGREEN
|| tmpl
->interlaced
|| !R600_UVD_ENABLE_TILING
)
84 templ
.bind
= PIPE_BIND_LINEAR
;
85 resources
[0] = (struct r600_texture
*)
86 pipe
->screen
->resource_create(pipe
->screen
, &templ
);
90 if (resource_formats
[1] != PIPE_FORMAT_NONE
) {
91 vl_video_buffer_template(&templ
, &template, resource_formats
[1], 1, array_size
, PIPE_USAGE_DEFAULT
, 1);
92 if (ctx
->b
.chip_class
< EVERGREEN
|| tmpl
->interlaced
|| !R600_UVD_ENABLE_TILING
)
93 templ
.bind
= PIPE_BIND_LINEAR
;
94 resources
[1] = (struct r600_texture
*)
95 pipe
->screen
->resource_create(pipe
->screen
, &templ
);
100 if (resource_formats
[2] != PIPE_FORMAT_NONE
) {
101 vl_video_buffer_template(&templ
, &template, resource_formats
[2], 1, array_size
, PIPE_USAGE_DEFAULT
, 2);
102 if (ctx
->b
.chip_class
< EVERGREEN
|| tmpl
->interlaced
|| !R600_UVD_ENABLE_TILING
)
103 templ
.bind
= PIPE_BIND_LINEAR
;
104 resources
[2] = (struct r600_texture
*)
105 pipe
->screen
->resource_create(pipe
->screen
, &templ
);
110 for (i
= 0; i
< VL_NUM_COMPONENTS
; ++i
) {
114 pbs
[i
] = &resources
[i
]->resource
.buf
;
115 surfaces
[i
] = &resources
[i
]->surface
;
118 rvid_join_surfaces(&ctx
->b
, pbs
, surfaces
);
120 for (i
= 0; i
< VL_NUM_COMPONENTS
; ++i
) {
124 /* reset the address */
125 resources
[i
]->resource
.gpu_address
= ctx
->b
.ws
->buffer_get_virtual_address(
126 resources
[i
]->resource
.buf
);
129 template.height
*= array_size
;
130 return vl_video_buffer_create_ex2(pipe
, &template, (struct pipe_resource
**)resources
);
133 for (i
= 0; i
< VL_NUM_COMPONENTS
; ++i
)
134 r600_texture_reference(&resources
[i
], NULL
);
139 /* hw encode the number of memory banks */
140 static uint32_t eg_num_banks(uint32_t nbanks
)
155 /* set the decoding target buffer offsets */
156 static struct pb_buffer
* r600_uvd_set_dtb(struct ruvd_msg
*msg
, struct vl_video_buffer
*buf
)
158 struct r600_screen
*rscreen
= (struct r600_screen
*)buf
->base
.context
->screen
;
159 struct r600_texture
*luma
= (struct r600_texture
*)buf
->resources
[0];
160 struct r600_texture
*chroma
= (struct r600_texture
*)buf
->resources
[1];
162 msg
->body
.decode
.dt_field_mode
= buf
->base
.interlaced
;
163 msg
->body
.decode
.dt_surf_tile_config
|= RUVD_NUM_BANKS(eg_num_banks(rscreen
->b
.info
.r600_num_banks
));
165 ruvd_set_dt_surfaces(msg
, &luma
->surface
, &chroma
->surface
);
167 return luma
->resource
.buf
;
170 /* get the radeon resources for VCE */
171 static void r600_vce_get_buffer(struct pipe_resource
*resource
,
172 struct pb_buffer
**handle
,
173 struct radeon_surf
**surface
)
175 struct r600_texture
*res
= (struct r600_texture
*)resource
;
178 *handle
= res
->resource
.buf
;
181 *surface
= &res
->surface
;
185 struct pipe_video_codec
*r600_uvd_create_decoder(struct pipe_context
*context
,
186 const struct pipe_video_codec
*templat
)
188 struct r600_context
*ctx
= (struct r600_context
*)context
;
190 if (templat
->entrypoint
== PIPE_VIDEO_ENTRYPOINT_ENCODE
)
191 return rvce_create_encoder(context
, templat
, ctx
->b
.ws
, r600_vce_get_buffer
);
193 return ruvd_create_decoder(context
, templat
, r600_uvd_set_dtb
);