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 #include "drm-uapi/drm_fourcc.h"
29 #include "radeon/radeon_uvd.h"
30 #include "radeon/radeon_uvd_enc.h"
31 #include "radeon/radeon_vce.h"
32 #include "radeon/radeon_vcn_dec.h"
33 #include "radeon/radeon_vcn_enc.h"
34 #include "radeon/radeon_video.h"
35 #include "si_pipe.h"
36 #include "util/u_video.h"
37 
38 /**
39  * creates an video buffer with an UVD compatible memory layout
40  */
si_video_buffer_create(struct pipe_context * pipe,const struct pipe_video_buffer * tmpl)41 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
42                                                  const struct pipe_video_buffer *tmpl)
43 {
44    struct pipe_video_buffer vidbuf = *tmpl;
45    uint64_t *modifiers = NULL;
46    int modifiers_count = 0;
47    uint64_t mod = DRM_FORMAT_MOD_LINEAR;
48 
49    /* To get tiled buffers, users need to explicitly provide a list of
50     * modifiers. */
51    vidbuf.bind |= PIPE_BIND_LINEAR;
52 
53    if (pipe->screen->resource_create_with_modifiers) {
54       modifiers = &mod;
55       modifiers_count = 1;
56    }
57 
58    return vl_video_buffer_create_as_resource(pipe, &vidbuf, modifiers,
59                                              modifiers_count);
60 }
61 
si_video_buffer_create_with_modifiers(struct pipe_context * pipe,const struct pipe_video_buffer * tmpl,const uint64_t * modifiers,unsigned int modifiers_count)62 struct pipe_video_buffer *si_video_buffer_create_with_modifiers(struct pipe_context *pipe,
63                                                                 const struct pipe_video_buffer *tmpl,
64                                                                 const uint64_t *modifiers,
65                                                                 unsigned int modifiers_count)
66 {
67    uint64_t *allowed_modifiers;
68    unsigned int allowed_modifiers_count, i;
69 
70    /* Filter out DCC modifiers, because we don't support them for video
71     * for now. */
72    allowed_modifiers = calloc(modifiers_count, sizeof(uint64_t));
73    if (!allowed_modifiers)
74       return NULL;
75 
76    allowed_modifiers_count = 0;
77    for (i = 0; i < modifiers_count; i++) {
78       if (ac_modifier_has_dcc(modifiers[i]))
79          continue;
80       allowed_modifiers[allowed_modifiers_count++] = modifiers[i];
81    }
82 
83    struct pipe_video_buffer *buf =
84       vl_video_buffer_create_as_resource(pipe, tmpl, allowed_modifiers, allowed_modifiers_count);
85    free(allowed_modifiers);
86    return buf;
87 }
88 
89 /* set the decoding target buffer offsets */
si_uvd_set_dtb(struct ruvd_msg * msg,struct vl_video_buffer * buf)90 static struct pb_buffer *si_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
91 {
92    struct si_screen *sscreen = (struct si_screen *)buf->base.context->screen;
93    struct si_texture *luma = (struct si_texture *)buf->resources[0];
94    struct si_texture *chroma = (struct si_texture *)buf->resources[1];
95    enum ruvd_surface_type type =
96       (sscreen->info.chip_class >= GFX9) ? RUVD_SURFACE_TYPE_GFX9 : RUVD_SURFACE_TYPE_LEGACY;
97 
98    msg->body.decode.dt_field_mode = buf->base.interlaced;
99 
100    si_uvd_set_dt_surfaces(msg, &luma->surface, (chroma) ? &chroma->surface : NULL, type);
101 
102    return luma->buffer.buf;
103 }
104 
105 /* get the radeon resources for VCE */
si_vce_get_buffer(struct pipe_resource * resource,struct pb_buffer ** handle,struct radeon_surf ** surface)106 static void si_vce_get_buffer(struct pipe_resource *resource, struct pb_buffer **handle,
107                               struct radeon_surf **surface)
108 {
109    struct si_texture *res = (struct si_texture *)resource;
110 
111    if (handle)
112       *handle = res->buffer.buf;
113 
114    if (surface)
115       *surface = &res->surface;
116 }
117 
118 /**
119  * creates an UVD compatible decoder
120  */
si_uvd_create_decoder(struct pipe_context * context,const struct pipe_video_codec * templ)121 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
122                                                const struct pipe_video_codec *templ)
123 {
124    struct si_context *ctx = (struct si_context *)context;
125    bool vcn = ctx->family >= CHIP_RAVEN;
126 
127    if (templ->entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE) {
128       if (vcn) {
129          return radeon_create_encoder(context, templ, ctx->ws, si_vce_get_buffer);
130       } else {
131          if (u_reduce_video_profile(templ->profile) == PIPE_VIDEO_FORMAT_HEVC)
132             return radeon_uvd_create_encoder(context, templ, ctx->ws, si_vce_get_buffer);
133          else
134             return si_vce_create_encoder(context, templ, ctx->ws, si_vce_get_buffer);
135       }
136    }
137 
138    return (vcn) ? radeon_create_decoder(context, templ)
139                 : si_common_uvd_create_decoder(context, templ, si_uvd_set_dtb);
140 }
141