diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_uvd.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_uvd.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_uvd.c b/src/gallium/drivers/radeonsi/si_uvd.c new file mode 100644 index 00000000000..847c8179992 --- /dev/null +++ b/src/gallium/drivers/radeonsi/si_uvd.c @@ -0,0 +1,153 @@ +/************************************************************************** + * + * 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 <[email protected]> + * + */ + +#include <sys/types.h> +#include <assert.h> +#include <errno.h> +#include <unistd.h> + +#include "pipe/p_video_codec.h" + +#include "util/u_memory.h" +#include "util/u_video.h" + +#include "vl/vl_defines.h" +#include "vl/vl_mpeg12_decoder.h" + +#include "si_pipe.h" +#include "radeon/radeon_uvd.h" +#include "sid.h" + +/** + * creates an video buffer with an UVD compatible memory layout + */ +struct pipe_video_buffer *radeonsi_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); + /* TODO: get tiling working */ + templ.bind = PIPE_BIND_LINEAR; + 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); + templ.bind = PIPE_BIND_LINEAR; + 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); + templ.bind = PIPE_BIND_LINEAR; + 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; + + surfaces[i] = & resources[i]->surface; + pbs[i] = &resources[i]->resource.buf; + } + + ruvd_join_surfaces(ctx->b.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->b.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; +} + +/* set the decoding target buffer offsets */ +static struct radeon_winsys_cs_handle* radeonsi_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf) +{ + 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; + + ruvd_set_dt_surfaces(msg, &luma->surface, &chroma->surface); + + return luma->resource.cs_buf; +} + +/** + * creates an UVD compatible decoder + */ +struct pipe_video_codec *radeonsi_uvd_create_decoder(struct pipe_context *context, + const struct pipe_video_codec *templ) +{ + return ruvd_create_decoder(context, templ, radeonsi_uvd_set_dtb); +} |