radeon/vcn: add jpeg decode implementation

Add a new file to handle VCN Jpeg decode specific functions. Use Jpeg
specific cmd sending function in end_frame call.

Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>

src/gallium/drivers/radeon/radeon_vcn_dec.c

@@ -1247,6 +1247,10 @@ static unsigned calc_dpb_size(struct radeon_decoder *dec)
 			dpb_size *= (3 / 2);
 		break;
 
+	case PIPE_VIDEO_FORMAT_JPEG:
+		dpb_size = 0;
+		break;
+
 	default:
 		// something is missing here
 		assert(0);
@@ -1547,14 +1551,14 @@ struct pipe_video_codec *radeon_create_decoder(struct pipe_context *context,
 	}
 
 	dpb_size = calc_dpb_size(dec);
-
-	if (!si_vid_create_buffer(dec->screen, &dec->dpb, dpb_size, PIPE_USAGE_DEFAULT)) {
-		RVID_ERR("Can't allocated dpb.\n");
-		goto error;
+	if (dpb_size) {
+		if (!si_vid_create_buffer(dec->screen, &dec->dpb, dpb_size, PIPE_USAGE_DEFAULT)) {
+			RVID_ERR("Can't allocated dpb.\n");
+			goto error;
+		}
+		si_vid_clear_buffer(context, &dec->dpb);
 	}
 
-	si_vid_clear_buffer(context, &dec->dpb);
-
 	if (dec->stream_type == RDECODE_CODEC_H264_PERF) {
 		unsigned ctx_size = calc_ctx_size_h264_perf(dec);
 		if (!si_vid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT)) {
@@ -1581,7 +1585,10 @@ struct pipe_video_codec *radeon_create_decoder(struct pipe_context *context,
 
 	next_buffer(dec);
 
-	dec->send_cmd = send_cmd_dec;
+	if (stream_type == RDECODE_CODEC_JPEG)
+		dec->send_cmd = send_cmd_jpeg;
+	else
+		dec->send_cmd = send_cmd_dec;
 
 	return &dec->base;
 

src/gallium/drivers/radeon/radeon_vcn_dec.h

@@ -768,6 +768,10 @@ void send_cmd_dec(struct radeon_decoder *dec,
 		  struct pipe_video_buffer *target,
 		  struct pipe_picture_desc *picture);
 
+void send_cmd_jpeg(struct radeon_decoder *dec,
+		  struct pipe_video_buffer *target,
+		  struct pipe_picture_desc *picture);
+
 struct pipe_video_codec *radeon_create_decoder(struct pipe_context *context,
 		const struct pipe_video_codec *templat);
 

src/gallium/drivers/radeon/radeon_vcn_dec_jpeg.c

@@ -0,0 +1,99 @@
+/**************************************************************************
+ *
+ * Copyright 2018 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.
+ *
+ **************************************************************************/
+
+#include <assert.h>
+#include <stdio.h>
+
+#include "pipe/p_video_codec.h"
+
+#include "util/u_memory.h"
+#include "util/u_video.h"
+
+#include "radeonsi/si_pipe.h"
+#include "radeon_video.h"
+#include "radeon_vcn_dec.h"
+
+static struct pb_buffer *radeon_jpeg_get_decode_param(struct radeon_decoder *dec,
+					struct pipe_video_buffer *target,
+					struct pipe_picture_desc *picture)
+{
+	struct si_texture *luma = (struct si_texture *)
+				((struct vl_video_buffer *)target)->resources[0];
+	struct si_texture *chroma = (struct si_texture *)
+				((struct vl_video_buffer *)target)->resources[1];
+
+	dec->jpg.bsd_size = align(dec->bs_size, 128);
+	dec->jpg.dt_luma_top_offset = luma->surface.u.gfx9.surf_offset;
+	if (target->buffer_format == PIPE_FORMAT_NV12) {
+		dec->jpg.dt_chroma_top_offset = chroma->surface.u.gfx9.surf_offset;
+		dec->jpg.dt_pitch = luma->surface.u.gfx9.surf_pitch * luma->surface.blk_w;
+	}
+	else if (target->buffer_format == PIPE_FORMAT_YUYV)
+		dec->jpg.dt_pitch = luma->surface.u.gfx9.surf_pitch;
+	dec->jpg.dt_uv_pitch = dec->jpg.dt_pitch / 2;
+
+	return luma->buffer.buf;
+}
+
+/* send a bitstream buffer command */
+static void send_cmd_bitstream(struct radeon_decoder *dec,
+		     struct pb_buffer* buf, uint32_t off,
+		     enum radeon_bo_usage usage, enum radeon_bo_domain domain)
+{
+	/* TODO */
+}
+
+/* send a target buffer command */
+static void send_cmd_target(struct radeon_decoder *dec,
+		     struct pb_buffer* buf, uint32_t off,
+		     enum radeon_bo_usage usage, enum radeon_bo_domain domain)
+{
+	/* TODO */
+}
+
+/**
+ * send cmd for vcn jpeg
+ */
+void send_cmd_jpeg(struct radeon_decoder *dec,
+			   struct pipe_video_buffer *target,
+			   struct pipe_picture_desc *picture)
+{
+	struct pb_buffer *dt;
+	struct rvid_buffer *bs_buf;
+
+	bs_buf = &dec->bs_buffers[dec->cur_buffer];
+
+	memset(dec->bs_ptr, 0, align(dec->bs_size, 128) - dec->bs_size);
+	dec->ws->buffer_unmap(bs_buf->res->buf);
+
+	dt = radeon_jpeg_get_decode_param(dec, target, picture);
+
+	send_cmd_bitstream(dec, bs_buf->res->buf,
+		 0, RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
+	send_cmd_target(dec, dt, 0,
+		 RADEON_USAGE_WRITE, RADEON_DOMAIN_VRAM);
+}

src/gallium/drivers/radeonsi/Makefile.sources

@@ -52,6 +52,7 @@ C_SOURCES := \
 	../radeon/r600_perfcounter.c \
 	../radeon/radeon_uvd.c \
 	../radeon/radeon_uvd.h \
+	../radeon/radeon_vcn_dec_jpeg.c \
 	../radeon/radeon_vcn_dec.c \
 	../radeon/radeon_vcn_dec.h \
 	../radeon/radeon_vcn_enc_1_2.c \

src/gallium/drivers/radeonsi/meson.build

@@ -71,6 +71,7 @@ files_libradeonsi = files(
   '../radeon/radeon_vcn_enc_1_2.c',
   '../radeon/radeon_vcn_enc.c',
   '../radeon/radeon_vcn_enc.h',
+  '../radeon/radeon_vcn_dec_jpeg.c',
   '../radeon/radeon_vcn_dec.c',
   '../radeon/radeon_vcn_dec.h',
   '../radeon/radeon_uvd_enc_1_1.c',