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      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 Knig <christian.koenig (at) 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  */
     42 struct 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_surf *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, pbs, surfaces);
    101 
    102 	for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
    103 		if (!resources[i])
    104 			continue;
    105 
    106 		/* reset the address */
    107 		resources[i]->resource.gpu_address = ctx->b.ws->buffer_get_virtual_address(
    108 			resources[i]->resource.buf);
    109 	}
    110 
    111 	template.height *= array_size;
    112 	return vl_video_buffer_create_ex2(pipe, &template, (struct pipe_resource **)resources);
    113 
    114 error:
    115 	for (i = 0; i < VL_NUM_COMPONENTS; ++i)
    116 		r600_texture_reference(&resources[i], NULL);
    117 
    118 	return NULL;
    119 }
    120 
    121 /* set the decoding target buffer offsets */
    122 static struct pb_buffer* si_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
    123 {
    124 	struct r600_texture *luma = (struct r600_texture *)buf->resources[0];
    125 	struct r600_texture *chroma = (struct r600_texture *)buf->resources[1];
    126 
    127 	msg->body.decode.dt_field_mode = buf->base.interlaced;
    128 
    129 	ruvd_set_dt_surfaces(msg, &luma->surface, &chroma->surface);
    130 
    131 	return luma->resource.buf;
    132 }
    133 
    134 /* get the radeon resources for VCE */
    135 static void si_vce_get_buffer(struct pipe_resource *resource,
    136 			      struct pb_buffer **handle,
    137 			      struct radeon_surf **surface)
    138 {
    139 	struct r600_texture *res = (struct r600_texture *)resource;
    140 
    141 	if (handle)
    142 		*handle = res->resource.buf;
    143 
    144 	if (surface)
    145 		*surface = &res->surface;
    146 }
    147 
    148 /**
    149  * creates an UVD compatible decoder
    150  */
    151 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
    152 					       const struct pipe_video_codec *templ)
    153 {
    154 	struct si_context *ctx = (struct si_context *)context;
    155 
    156         if (templ->entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE)
    157                 return rvce_create_encoder(context, templ, ctx->b.ws, si_vce_get_buffer);
    158 
    159 	return ruvd_create_decoder(context, templ, si_uvd_set_dtb);
    160 }
    161