si_uvd.c revision af69d88d 
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 "si_pipe.h"
35#include "radeon/radeon_video.h"
36#include "radeon/radeon_uvd.h"
37#include "radeon/radeon_vce.h"
38
39/**
40 * creates an video buffer with an UVD compatible memory layout
41 */
42struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
43						 const struct pipe_video_buffer *tmpl)
44{
45	struct si_context *ctx = (struct si_context *)pipe;
46	struct r600_texture *resources[VL_NUM_COMPONENTS] = {};
47	struct radeon_surface *surfaces[VL_NUM_COMPONENTS] = {};
48	struct pb_buffer **pbs[VL_NUM_COMPONENTS] = {};
49	const enum pipe_format *resource_formats;
50	struct pipe_video_buffer template;
51	struct pipe_resource templ;
52	unsigned i, array_size;
53
54	assert(pipe);
55
56	/* first create the needed resources as "normal" textures */
57	resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
58	if (!resource_formats)
59		return NULL;
60
61	array_size = tmpl->interlaced ? 2 : 1;
62	template = *tmpl;
63	template.width = align(tmpl->width, VL_MACROBLOCK_WIDTH);
64	template.height = align(tmpl->height / array_size, VL_MACROBLOCK_HEIGHT);
65
66	vl_video_buffer_template(&templ, &template, resource_formats[0], 1, array_size, PIPE_USAGE_DEFAULT, 0);
67	/* TODO: get tiling working */
68	templ.bind = PIPE_BIND_LINEAR;
69	resources[0] = (struct r600_texture *)
70		pipe->screen->resource_create(pipe->screen, &templ);
71	if (!resources[0])
72		goto error;
73
74	if (resource_formats[1] != PIPE_FORMAT_NONE) {
75		vl_video_buffer_template(&templ, &template, resource_formats[1], 1, array_size, PIPE_USAGE_DEFAULT, 1);
76		templ.bind = PIPE_BIND_LINEAR;
77		resources[1] = (struct r600_texture *)
78			pipe->screen->resource_create(pipe->screen, &templ);
79		if (!resources[1])
80			goto error;
81	}
82
83	if (resource_formats[2] != PIPE_FORMAT_NONE) {
84		vl_video_buffer_template(&templ, &template, resource_formats[2], 1, array_size, PIPE_USAGE_DEFAULT, 2);
85		templ.bind = PIPE_BIND_LINEAR;
86		resources[2] = (struct r600_texture *)
87			pipe->screen->resource_create(pipe->screen, &templ);
88		if (!resources[2])
89			goto error;
90	}
91
92	for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
93		if (!resources[i])
94			continue;
95
96		surfaces[i] = & resources[i]->surface;
97		pbs[i] = &resources[i]->resource.buf;
98	}
99
100	rvid_join_surfaces(ctx->b.ws, templ.bind, pbs, surfaces);
101
102	for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
103		if (!resources[i])
104			continue;
105
106		/* recreate the CS handle */
107		resources[i]->resource.cs_buf = ctx->b.ws->buffer_get_cs_handle(
108			resources[i]->resource.buf);
109		resources[i]->resource.gpu_address = ctx->b.ws->buffer_get_virtual_address(
110			resources[i]->resource.cs_buf);
111	}
112
113	template.height *= array_size;
114	return vl_video_buffer_create_ex2(pipe, &template, (struct pipe_resource **)resources);
115
116error:
117	for (i = 0; i < VL_NUM_COMPONENTS; ++i)
118		pipe_resource_reference((struct pipe_resource **)&resources[i], NULL);
119
120	return NULL;
121}
122
123/* set the decoding target buffer offsets */
124static struct radeon_winsys_cs_handle* si_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
125{
126	struct r600_texture *luma = (struct r600_texture *)buf->resources[0];
127	struct r600_texture *chroma = (struct r600_texture *)buf->resources[1];
128
129	msg->body.decode.dt_field_mode = buf->base.interlaced;
130
131	ruvd_set_dt_surfaces(msg, &luma->surface, &chroma->surface);
132
133	return luma->resource.cs_buf;
134}
135
136/* get the radeon resources for VCE */
137static void si_vce_get_buffer(struct pipe_resource *resource,
138			      struct radeon_winsys_cs_handle **handle,
139			      struct radeon_surface **surface)
140{
141	struct r600_texture *res = (struct r600_texture *)resource;
142
143	if (handle)
144		*handle = res->resource.cs_buf;
145
146	if (surface)
147		*surface = &res->surface;
148}
149
150/**
151 * creates an UVD compatible decoder
152 */
153struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
154					       const struct pipe_video_codec *templ)
155{
156	struct si_context *ctx = (struct si_context *)context;
157
158        if (templ->entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE)
159                return rvce_create_encoder(context, templ, ctx->b.ws, si_vce_get_buffer);
160
161	return ruvd_create_decoder(context, templ, si_uvd_set_dtb);
162}
163