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/**************************************************************************
*
* Copyright 2011 Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/*
* Authors:
* Christian König <christian.koenig@amd.com>
*
*/
#include <sys/types.h>
#include <assert.h>
#include <errno.h>
#include <unistd.h>
#include "pipe/p_video_decoder.h"
#include "util/u_memory.h"
#include "util/u_video.h"
#include "vl/vl_defines.h"
#include "vl/vl_mpeg12_decoder.h"
#include "r600_pipe.h"
#include "radeon/radeon_uvd.h"
#include "r600d.h"
/**
* creates an video buffer with an UVD compatible memory layout
*/
struct pipe_video_buffer *r600_video_buffer_create(struct pipe_context *pipe,
const struct pipe_video_buffer *tmpl)
{
struct r600_context *ctx = (struct r600_context *)pipe;
struct r600_texture *resources[VL_NUM_COMPONENTS] = {};
struct radeon_surface* surfaces[VL_NUM_COMPONENTS] = {};
struct pb_buffer **pbs[VL_NUM_COMPONENTS] = {};
const enum pipe_format *resource_formats;
struct pipe_video_buffer template;
struct pipe_resource templ;
unsigned i, array_size;
assert(pipe);
/* first create the needed resources as "normal" textures */
resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
if (!resource_formats)
return NULL;
array_size = tmpl->interlaced ? 2 : 1;
template = *tmpl;
template.width = align(tmpl->width, VL_MACROBLOCK_WIDTH);
template.height = align(tmpl->height / array_size, VL_MACROBLOCK_HEIGHT);
vl_video_buffer_template(&templ, &template, resource_formats[0], 1, array_size, PIPE_USAGE_STATIC, 0);
if (ctx->chip_class < EVERGREEN || tmpl->interlaced)
templ.flags = R600_RESOURCE_FLAG_TRANSFER;
resources[0] = (struct r600_texture *)
pipe->screen->resource_create(pipe->screen, &templ);
if (!resources[0])
goto error;
if (resource_formats[1] != PIPE_FORMAT_NONE) {
vl_video_buffer_template(&templ, &template, resource_formats[1], 1, array_size, PIPE_USAGE_STATIC, 1);
if (ctx->chip_class < EVERGREEN || tmpl->interlaced)
templ.flags = R600_RESOURCE_FLAG_TRANSFER;
resources[1] = (struct r600_texture *)
pipe->screen->resource_create(pipe->screen, &templ);
if (!resources[1])
goto error;
}
if (resource_formats[2] != PIPE_FORMAT_NONE) {
vl_video_buffer_template(&templ, &template, resource_formats[2], 1, array_size, PIPE_USAGE_STATIC, 2);
if (ctx->chip_class < EVERGREEN || tmpl->interlaced)
templ.flags = R600_RESOURCE_FLAG_TRANSFER;
resources[2] = (struct r600_texture *)
pipe->screen->resource_create(pipe->screen, &templ);
if (!resources[2])
goto error;
}
for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
if (!resources[i])
continue;
pbs[i] = &resources[i]->resource.buf;
surfaces[i] = &resources[i]->surface;
}
ruvd_join_surfaces(ctx->ws, templ.bind, pbs, surfaces);
for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
if (!resources[i])
continue;
/* recreate the CS handle */
resources[i]->resource.cs_buf = ctx->ws->buffer_get_cs_handle(
resources[i]->resource.buf);
}
template.height *= array_size;
return vl_video_buffer_create_ex2(pipe, &template, (struct pipe_resource **)resources);
error:
for (i = 0; i < VL_NUM_COMPONENTS; ++i)
pipe_resource_reference((struct pipe_resource **)&resources[i], NULL);
return NULL;
}
/* hw encode the number of memory banks */
static uint32_t eg_num_banks(uint32_t nbanks)
{
switch (nbanks) {
case 2:
return 0;
case 4:
return 1;
case 8:
default:
return 2;
case 16:
return 3;
}
}
/* set the decoding target buffer offsets */
static struct radeon_winsys_cs_handle* r600_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
{
struct r600_screen *rscreen = (struct r600_screen*)buf->base.context->screen;
struct r600_texture *luma = (struct r600_texture *)buf->resources[0];
struct r600_texture *chroma = (struct r600_texture *)buf->resources[1];
msg->body.decode.dt_field_mode = buf->base.interlaced;
msg->body.decode.dt_surf_tile_config |= RUVD_NUM_BANKS(eg_num_banks(rscreen->tiling_info.num_banks));
ruvd_set_dt_surfaces(msg, &luma->surface, &chroma->surface);
return luma->resource.cs_buf;
}
/* create decoder */
struct pipe_video_decoder *r600_uvd_create_decoder(struct pipe_context *context,
enum pipe_video_profile profile,
enum pipe_video_entrypoint entrypoint,
enum pipe_video_chroma_format chroma_format,
unsigned width, unsigned height,
unsigned max_references, bool expect_chunked_decode)
{
struct r600_context *ctx = (struct r600_context *)context;
return ruvd_create_decoder(context, profile, entrypoint, chroma_format,
width, height, max_references, expect_chunked_decode,
ctx->ws, r600_uvd_set_dtb);
}
int r600_uvd_get_video_param(struct pipe_screen *screen,
enum pipe_video_profile profile,
enum pipe_video_cap param)
{
struct r600_screen *rscreen = (struct r600_screen *)screen;
/* UVD 2.x limits */
if (rscreen->family < CHIP_PALM) {
enum pipe_video_codec codec = u_reduce_video_profile(profile);
switch (param) {
case PIPE_VIDEO_CAP_SUPPORTED:
/* no support for MPEG4 */
return codec != PIPE_VIDEO_CODEC_MPEG4;
case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
/* and MPEG2 only with shaders */
return codec != PIPE_VIDEO_CODEC_MPEG12;
default:
break;
}
}
return ruvd_get_video_param(screen, profile, param);
}
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