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      1 /**************************************************************************
      2  *
      3  * Copyright 2013 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 <unistd.h>
     35 
     36 #include "util/u_memory.h"
     37 #include "util/u_video.h"
     38 
     39 #include "vl/vl_defines.h"
     40 #include "vl/vl_video_buffer.h"
     41 
     42 #include "r600_pipe_common.h"
     43 #include "radeon_video.h"
     44 #include "radeon_vce.h"
     45 
     46 #define UVD_FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
     47 
     48 /* generate an stream handle */
     49 unsigned rvid_alloc_stream_handle()
     50 {
     51 	static unsigned counter = 0;
     52 	unsigned stream_handle = 0;
     53 	unsigned pid = getpid();
     54 	int i;
     55 
     56 	for (i = 0; i < 32; ++i)
     57 		stream_handle |= ((pid >> i) & 1) << (31 - i);
     58 
     59 	stream_handle ^= ++counter;
     60 	return stream_handle;
     61 }
     62 
     63 /* create a buffer in the winsys */
     64 bool rvid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer,
     65 			unsigned size, unsigned usage)
     66 {
     67 	memset(buffer, 0, sizeof(*buffer));
     68 	buffer->usage = usage;
     69 
     70 	/* Hardware buffer placement restrictions require the kernel to be
     71 	 * able to move buffers around individually, so request a
     72 	 * non-sub-allocated buffer.
     73 	 */
     74 	buffer->res = (struct r600_resource *)
     75 		pipe_buffer_create(screen, PIPE_BIND_SHARED,
     76 				   usage, size);
     77 
     78 	return buffer->res != NULL;
     79 }
     80 
     81 /* destroy a buffer */
     82 void rvid_destroy_buffer(struct rvid_buffer *buffer)
     83 {
     84 	r600_resource_reference(&buffer->res, NULL);
     85 }
     86 
     87 /* reallocate a buffer, preserving its content */
     88 bool rvid_resize_buffer(struct pipe_screen *screen, struct radeon_winsys_cs *cs,
     89 			struct rvid_buffer *new_buf, unsigned new_size)
     90 {
     91 	struct r600_common_screen *rscreen = (struct r600_common_screen *)screen;
     92 	struct radeon_winsys* ws = rscreen->ws;
     93 	unsigned bytes = MIN2(new_buf->res->buf->size, new_size);
     94 	struct rvid_buffer old_buf = *new_buf;
     95 	void *src = NULL, *dst = NULL;
     96 
     97 	if (!rvid_create_buffer(screen, new_buf, new_size, new_buf->usage))
     98 		goto error;
     99 
    100 	src = ws->buffer_map(old_buf.res->buf, cs, PIPE_TRANSFER_READ);
    101 	if (!src)
    102 		goto error;
    103 
    104 	dst = ws->buffer_map(new_buf->res->buf, cs, PIPE_TRANSFER_WRITE);
    105 	if (!dst)
    106 		goto error;
    107 
    108 	memcpy(dst, src, bytes);
    109 	if (new_size > bytes) {
    110 		new_size -= bytes;
    111 		dst += bytes;
    112 		memset(dst, 0, new_size);
    113 	}
    114 	ws->buffer_unmap(new_buf->res->buf);
    115 	ws->buffer_unmap(old_buf.res->buf);
    116 	rvid_destroy_buffer(&old_buf);
    117 	return true;
    118 
    119 error:
    120 	if (src)
    121 		ws->buffer_unmap(old_buf.res->buf);
    122 	rvid_destroy_buffer(new_buf);
    123 	*new_buf = old_buf;
    124 	return false;
    125 }
    126 
    127 /* clear the buffer with zeros */
    128 void rvid_clear_buffer(struct pipe_context *context, struct rvid_buffer* buffer)
    129 {
    130 	struct r600_common_context *rctx = (struct r600_common_context*)context;
    131 
    132 	rctx->dma_clear_buffer(context, &buffer->res->b.b, 0,
    133 			       buffer->res->buf->size, 0);
    134 	context->flush(context, NULL, 0);
    135 }
    136 
    137 /**
    138  * join surfaces into the same buffer with identical tiling params
    139  * sumup their sizes and replace the backend buffers with a single bo
    140  */
    141 void rvid_join_surfaces(struct r600_common_context *rctx,
    142 			struct pb_buffer** buffers[VL_NUM_COMPONENTS],
    143 			struct radeon_surf *surfaces[VL_NUM_COMPONENTS])
    144 {
    145 	struct radeon_winsys* ws;
    146 	unsigned best_tiling, best_wh, off;
    147 	unsigned size, alignment;
    148 	struct pb_buffer *pb;
    149 	unsigned i, j;
    150 
    151 	ws = rctx->ws;
    152 
    153 	for (i = 0, best_tiling = 0, best_wh = ~0; i < VL_NUM_COMPONENTS; ++i) {
    154 		unsigned wh;
    155 
    156 		if (!surfaces[i])
    157 			continue;
    158 
    159 		/* choose the smallest bank w/h for now */
    160 		wh = surfaces[i]->u.legacy.bankw * surfaces[i]->u.legacy.bankh;
    161 		if (wh < best_wh) {
    162 			best_wh = wh;
    163 			best_tiling = i;
    164 		}
    165 	}
    166 
    167 	for (i = 0, off = 0; i < VL_NUM_COMPONENTS; ++i) {
    168 		if (!surfaces[i])
    169 			continue;
    170 
    171 		/* adjust the texture layer offsets */
    172 		off = align(off, surfaces[i]->surf_alignment);
    173 
    174 		/* copy the tiling parameters */
    175 		surfaces[i]->u.legacy.bankw = surfaces[best_tiling]->u.legacy.bankw;
    176 		surfaces[i]->u.legacy.bankh = surfaces[best_tiling]->u.legacy.bankh;
    177 		surfaces[i]->u.legacy.mtilea = surfaces[best_tiling]->u.legacy.mtilea;
    178 		surfaces[i]->u.legacy.tile_split = surfaces[best_tiling]->u.legacy.tile_split;
    179 
    180 		for (j = 0; j < ARRAY_SIZE(surfaces[i]->u.legacy.level); ++j)
    181 			surfaces[i]->u.legacy.level[j].offset += off;
    182 
    183 		off += surfaces[i]->surf_size;
    184 	}
    185 
    186 	for (i = 0, size = 0, alignment = 0; i < VL_NUM_COMPONENTS; ++i) {
    187 		if (!buffers[i] || !*buffers[i])
    188 			continue;
    189 
    190 		size = align(size, (*buffers[i])->alignment);
    191 		size += (*buffers[i])->size;
    192 		alignment = MAX2(alignment, (*buffers[i])->alignment * 1);
    193 	}
    194 
    195 	if (!size)
    196 		return;
    197 
    198 	/* TODO: 2D tiling workaround */
    199 	alignment *= 2;
    200 
    201 	pb = ws->buffer_create(ws, size, alignment, RADEON_DOMAIN_VRAM,
    202 			       RADEON_FLAG_GTT_WC);
    203 	if (!pb)
    204 		return;
    205 
    206 	for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
    207 		if (!buffers[i] || !*buffers[i])
    208 			continue;
    209 
    210 		pb_reference(buffers[i], pb);
    211 	}
    212 
    213 	pb_reference(&pb, NULL);
    214 }
    215 
    216 int rvid_get_video_param(struct pipe_screen *screen,
    217 			 enum pipe_video_profile profile,
    218 			 enum pipe_video_entrypoint entrypoint,
    219 			 enum pipe_video_cap param)
    220 {
    221 	struct r600_common_screen *rscreen = (struct r600_common_screen *)screen;
    222 	enum pipe_video_format codec = u_reduce_video_profile(profile);
    223 	struct radeon_info info;
    224 
    225 	rscreen->ws->query_info(rscreen->ws, &info);
    226 
    227 	if (entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE) {
    228 		switch (param) {
    229 		case PIPE_VIDEO_CAP_SUPPORTED:
    230 			return codec == PIPE_VIDEO_FORMAT_MPEG4_AVC &&
    231 				rvce_is_fw_version_supported(rscreen);
    232 		case PIPE_VIDEO_CAP_NPOT_TEXTURES:
    233 			return 1;
    234 		case PIPE_VIDEO_CAP_MAX_WIDTH:
    235 			return 2048;
    236 		case PIPE_VIDEO_CAP_MAX_HEIGHT:
    237 			return 1152;
    238 		case PIPE_VIDEO_CAP_PREFERED_FORMAT:
    239 			return PIPE_FORMAT_NV12;
    240 		case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
    241 			return false;
    242 		case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
    243 			return false;
    244 		case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
    245 			return true;
    246 		case PIPE_VIDEO_CAP_STACKED_FRAMES:
    247 			return 1;
    248 		default:
    249 			return 0;
    250 		}
    251 	}
    252 
    253 	switch (param) {
    254 	case PIPE_VIDEO_CAP_SUPPORTED:
    255 		switch (codec) {
    256 		case PIPE_VIDEO_FORMAT_MPEG12:
    257 			return profile != PIPE_VIDEO_PROFILE_MPEG1;
    258 		case PIPE_VIDEO_FORMAT_MPEG4:
    259 			/* no support for MPEG4 on older hw */
    260 			return rscreen->family >= CHIP_PALM;
    261 		case PIPE_VIDEO_FORMAT_MPEG4_AVC:
    262 			return true;
    263 		case PIPE_VIDEO_FORMAT_VC1:
    264 			return true;
    265 		case PIPE_VIDEO_FORMAT_HEVC:
    266 			return false;
    267 		case PIPE_VIDEO_FORMAT_JPEG:
    268 			return false;
    269 		default:
    270 			return false;
    271 		}
    272 	case PIPE_VIDEO_CAP_NPOT_TEXTURES:
    273 		return 1;
    274 	case PIPE_VIDEO_CAP_MAX_WIDTH:
    275 		return 2048;
    276 	case PIPE_VIDEO_CAP_MAX_HEIGHT:
    277 		return 1152;
    278 	case PIPE_VIDEO_CAP_PREFERED_FORMAT:
    279 		if (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
    280 			return PIPE_FORMAT_P016;
    281 		else
    282 			return PIPE_FORMAT_NV12;
    283 
    284 	case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
    285 	case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
    286 		if (rscreen->family < CHIP_PALM) {
    287 			/* MPEG2 only with shaders and no support for
    288 			   interlacing on R6xx style UVD */
    289 			return codec != PIPE_VIDEO_FORMAT_MPEG12 &&
    290 			       rscreen->family > CHIP_RV770;
    291 		} else {
    292 			enum pipe_video_format format = u_reduce_video_profile(profile);
    293 
    294 			if (format == PIPE_VIDEO_FORMAT_HEVC)
    295 				return false; //The firmware doesn't support interlaced HEVC.
    296 			else if (format == PIPE_VIDEO_FORMAT_JPEG)
    297 				return false;
    298 			return true;
    299 		}
    300 	case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
    301 		return true;
    302 	case PIPE_VIDEO_CAP_MAX_LEVEL:
    303 		switch (profile) {
    304 		case PIPE_VIDEO_PROFILE_MPEG1:
    305 			return 0;
    306 		case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
    307 		case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
    308 			return 3;
    309 		case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
    310 			return 3;
    311 		case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
    312 			return 5;
    313 		case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
    314 			return 1;
    315 		case PIPE_VIDEO_PROFILE_VC1_MAIN:
    316 			return 2;
    317 		case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
    318 			return 4;
    319 		case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
    320 		case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
    321 		case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
    322 			return 41;
    323 		case PIPE_VIDEO_PROFILE_HEVC_MAIN:
    324 		case PIPE_VIDEO_PROFILE_HEVC_MAIN_10:
    325 			return 186;
    326 		default:
    327 			return 0;
    328 		}
    329 	default:
    330 		return 0;
    331 	}
    332 }
    333 
    334 boolean rvid_is_format_supported(struct pipe_screen *screen,
    335 				 enum pipe_format format,
    336 				 enum pipe_video_profile profile,
    337 				 enum pipe_video_entrypoint entrypoint)
    338 {
    339 	/* HEVC 10 bit decoding should use P016 instead of NV12 if possible */
    340 	if (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
    341 		return (format == PIPE_FORMAT_NV12) ||
    342 			(format == PIPE_FORMAT_P016);
    343 
    344 	/* we can only handle this one with UVD */
    345 	if (profile != PIPE_VIDEO_PROFILE_UNKNOWN)
    346 		return format == PIPE_FORMAT_NV12;
    347 
    348 	return vl_video_buffer_is_format_supported(screen, format, profile, entrypoint);
    349 }
    350