1 /**************************************************************************
2 *
3 * Copyright 2011 Advanced Micro Devices, Inc.
4 * All Rights Reserved.
5 *
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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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.
25 *
26 **************************************************************************/
27
28 /*
29 * Authors:
30 * Christian König <christian.koenig@amd.com>
31 *
32 */
33
34 #include <sys/types.h>
35 #include <assert.h>
36 #include <errno.h>
37 #include <unistd.h>
38
39 #include "pipe/p_video_codec.h"
40
41 #include "util/u_memory.h"
42 #include "util/u_video.h"
43
44 #include "vl/vl_defines.h"
45 #include "vl/vl_mpeg12_decoder.h"
46
47 #include "r600_pipe.h"
48 #include "radeon_video.h"
49 #include "radeon_uvd.h"
50 #include "radeon_vce.h"
51 #include "r600d.h"
52
53 #define R600_UVD_ENABLE_TILING 0
54
55 /**
56 * creates an video buffer with an UVD compatible memory layout
57 */
r600_video_buffer_create(struct pipe_context * pipe,const struct pipe_video_buffer * tmpl)58 struct pipe_video_buffer *r600_video_buffer_create(struct pipe_context *pipe,
59 const struct pipe_video_buffer *tmpl)
60 {
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;
69
70 assert(pipe);
71
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)
75 return NULL;
76
77 array_size = tmpl->interlaced ? 2 : 1;
78 template = *tmpl;
79 template.width = align(tmpl->width, VL_MACROBLOCK_WIDTH);
80 template.height = align(tmpl->height / array_size, VL_MACROBLOCK_HEIGHT);
81
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);
87 if (!resources[0])
88 goto error;
89
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);
96 if (!resources[1])
97 goto error;
98 }
99
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);
106 if (!resources[2])
107 goto error;
108 }
109
110 for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
111 if (!resources[i])
112 continue;
113
114 pbs[i] = &resources[i]->resource.buf;
115 surfaces[i] = &resources[i]->surface;
116 }
117
118 rvid_join_surfaces(&ctx->b, pbs, surfaces);
119
120 for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
121 if (!resources[i])
122 continue;
123
124 /* reset the address */
125 resources[i]->resource.gpu_address = ctx->b.ws->buffer_get_virtual_address(
126 resources[i]->resource.buf);
127 }
128
129 template.height *= array_size;
130 return vl_video_buffer_create_ex2(pipe, &template, (struct pipe_resource **)resources);
131
132 error:
133 for (i = 0; i < VL_NUM_COMPONENTS; ++i)
134 r600_texture_reference(&resources[i], NULL);
135
136 return NULL;
137 }
138
139 /* hw encode the number of memory banks */
eg_num_banks(uint32_t nbanks)140 static uint32_t eg_num_banks(uint32_t nbanks)
141 {
142 switch (nbanks) {
143 case 2:
144 return 0;
145 case 4:
146 return 1;
147 case 8:
148 default:
149 return 2;
150 case 16:
151 return 3;
152 }
153 }
154
155 /* set the decoding target buffer offsets */
r600_uvd_set_dtb(struct ruvd_msg * msg,struct vl_video_buffer * buf)156 static struct pb_buffer* r600_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
157 {
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];
161
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));
164
165 ruvd_set_dt_surfaces(msg, &luma->surface, &chroma->surface);
166
167 return luma->resource.buf;
168 }
169
170 /* get the radeon resources for VCE */
r600_vce_get_buffer(struct pipe_resource * resource,struct pb_buffer ** handle,struct radeon_surf ** surface)171 static void r600_vce_get_buffer(struct pipe_resource *resource,
172 struct pb_buffer **handle,
173 struct radeon_surf **surface)
174 {
175 struct r600_texture *res = (struct r600_texture *)resource;
176
177 if (handle)
178 *handle = res->resource.buf;
179
180 if (surface)
181 *surface = &res->surface;
182 }
183
184 /* create decoder */
r600_uvd_create_decoder(struct pipe_context * context,const struct pipe_video_codec * templat)185 struct pipe_video_codec *r600_uvd_create_decoder(struct pipe_context *context,
186 const struct pipe_video_codec *templat)
187 {
188 struct r600_context *ctx = (struct r600_context *)context;
189
190 if (templat->entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE)
191 return rvce_create_encoder(context, templat, ctx->b.ws, r600_vce_get_buffer);
192
193 return ruvd_create_decoder(context, templat, r600_uvd_set_dtb);
194 }
195