radeon/vce: implement B-frame support

Signed-off-by: Slava Grigorev <slava.grigorev@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>

2 files changed, 53 insertions, 22 deletions

diff --git a/src/gallium/drivers/radeon/radeon_vce.h b/src/gallium/drivers/radeon/radeon_vce.h
index f815cad38aa..7cc87be37f3 100644
--- a/src/gallium/drivers/radeon/radeon_vce.h
+++ b/src/gallium/drivers/radeon/radeon_vce.h
@@ -45,7 +45,7 @@
 #define RVCE_READWRITE(buf, domain) RVCE_CS(RVCE_RELOC(buf, RADEON_USAGE_READWRITE, domain) * 4)
 #define RVCE_END() *begin = (&enc->cs->buf[enc->cs->cdw] - begin) * 4; }
 
-#define RVCE_NUM_CPB_FRAMES 2
+#define RVCE_NUM_CPB_FRAMES 3
 
 struct r600_common_screen;
 
diff --git a/src/gallium/drivers/radeon/radeon_vce_40_2_2.c b/src/gallium/drivers/radeon/radeon_vce_40_2_2.c
index 1327d64f983..3b67b31fdf8 100644
--- a/src/gallium/drivers/radeon/radeon_vce_40_2_2.c
+++ b/src/gallium/drivers/radeon/radeon_vce_40_2_2.c
@@ -54,6 +54,11 @@ static struct rvce_cpb_slot *l0_slot(struct rvce_encoder *enc)
 	return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.next, list);
 }
 
+static struct rvce_cpb_slot *l1_slot(struct rvce_encoder *enc)
+{
+	return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.next->next, list);
+}
+
 static void frame_offset(struct rvce_encoder *enc, struct rvce_cpb_slot *slot,
 			 unsigned *luma_offset, unsigned *chroma_offset)
 {
@@ -99,8 +104,8 @@ static void create(struct rvce_encoder *enc)
 
 	RVCE_BEGIN(0x01000001); // create cmd
 	RVCE_CS(0x00000000); // encUseCircularBuffer
-	RVCE_CS(0x00000041); // encProfile
-	RVCE_CS(0x0000000a); // encLevel
+	RVCE_CS(0x0000004d); // encProfile: Main
+	RVCE_CS(0x0000002a); // encLevel: 4.2
 	RVCE_CS(0x00000000); // encPicStructRestriction
 	RVCE_CS(enc->base.width); // encImageWidth
 	RVCE_CS(enc->base.height); // encImageHeight
@@ -175,12 +180,12 @@ static void pic_control(struct rvce_encoder *enc)
 	RVCE_CS(0x00000000); // encSPSID
 	RVCE_CS(0x00000000); // encPPSID
 	RVCE_CS(0x00000040); // encConstraintSetFlags
-	RVCE_CS(0x00000000); // encBPicPattern
+	RVCE_CS(MAX2(enc->base.max_references, 1) - 1); // encBPicPattern
 	RVCE_CS(0x00000000); // weightPredModeBPicture
 	RVCE_CS(MIN2(enc->base.max_references, 2)); // encNumberOfReferenceFrames
 	RVCE_CS(enc->base.max_references + 1); // encMaxNumRefFrames
-	RVCE_CS(0x00000000); // encNumDefaultActiveRefL0
-	RVCE_CS(0x00000000); // encNumDefaultActiveRefL1
+	RVCE_CS(0x00000001); // encNumDefaultActiveRefL0
+	RVCE_CS(0x00000001); // encNumDefaultActiveRefL1
 	RVCE_CS(0x00000000); // encSliceMode
 	RVCE_CS(0x00000000); // encMaxSliceSize
 	RVCE_END();
@@ -275,7 +280,7 @@ static void encode(struct rvce_encoder *enc)
 	RVCE_CS(0x00000000); // encInputPic(Addr|Array)Mode
 	RVCE_CS(0x00000000); // encInputPicTileConfig
 	RVCE_CS(enc->pic.picture_type); // encPicType
-	RVCE_CS(enc->pic.picture_type == 3); // encIdrFlag
+	RVCE_CS(enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_IDR); // encIdrFlag
 	RVCE_CS(0x00000000); // encIdrPicId
 	RVCE_CS(0x00000000); // encMGSKeyPic
 	RVCE_CS(0x00000001); // encReferenceFlag
@@ -283,7 +288,17 @@ static void encode(struct rvce_encoder *enc)
 	RVCE_CS(0x00000000); // num_ref_idx_active_override_flag
 	RVCE_CS(0x00000000); // num_ref_idx_l0_active_minus1
 	RVCE_CS(0x00000000); // num_ref_idx_l1_active_minus1
-	for (i = 0; i < 4; ++i) {
+
+	i = enc->pic.frame_num - enc->pic.ref_idx_l0;
+	if (i > 1 && enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_P) {
+		RVCE_CS(0x00000001); // encRefListModificationOp
+		RVCE_CS(i - 1);      // encRefListModificationNum
+	} else {
+		RVCE_CS(0x00000000); // encRefListModificationOp
+		RVCE_CS(0x00000000); // encRefListModificationNum
+	}
+
+	for (i = 0; i < 3; ++i) {
 		RVCE_CS(0x00000000); // encRefListModificationOp
 		RVCE_CS(0x00000000); // encRefListModificationNum
 	}
@@ -291,22 +306,14 @@ static void encode(struct rvce_encoder *enc)
 		RVCE_CS(0x00000000); // encDecodedPictureMarkingOp
 		RVCE_CS(0x00000000); // encDecodedPictureMarkingNum
 		RVCE_CS(0x00000000); // encDecodedPictureMarkingIdx
-	}
-	for (i = 0; i < 4; ++i) {
 		RVCE_CS(0x00000000); // encDecodedRefBasePictureMarkingOp
 		RVCE_CS(0x00000000); // encDecodedRefBasePictureMarkingNum
 	}
 
+	// encReferencePictureL0[0]
 	RVCE_CS(0x00000000); // pictureStructure
-
-	if (enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_IDR) { 
-		RVCE_CS(0x00000000); // encPicType
-		RVCE_CS(0x00000000); // frameNumber
-		RVCE_CS(0x00000000); // pictureOrderCount
-		RVCE_CS(0xffffffff); // lumaOffset
-		RVCE_CS(0xffffffff); // chromaOffset
-	}
-	else if(enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_P) {
+	if(enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_P ||
+	   enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_B) {
 		struct rvce_cpb_slot *l0 = l0_slot(enc);
 		frame_offset(enc, l0, &luma_offset, &chroma_offset);
 		RVCE_CS(l0->picture_type); // encPicType
@@ -314,16 +321,40 @@ static void encode(struct rvce_encoder *enc)
 		RVCE_CS(l0->pic_order_cnt); // pictureOrderCount
 		RVCE_CS(luma_offset); // lumaOffset
 		RVCE_CS(chroma_offset); // chromaOffset
+	} else {
+		RVCE_CS(0x00000000); // encPicType
+		RVCE_CS(0x00000000); // frameNumber
+		RVCE_CS(0x00000000); // pictureOrderCount
+		RVCE_CS(0xffffffff); // lumaOffset
+		RVCE_CS(0xffffffff); // chromaOffset
 	}
-	for (i = 0; i < 2; ++i) {
-		RVCE_CS(0x00000000); // pictureStructure
+
+	// encReferencePictureL0[1]
+	RVCE_CS(0x00000000); // pictureStructure
+	RVCE_CS(0x00000000); // encPicType
+	RVCE_CS(0x00000000); // frameNumber
+	RVCE_CS(0x00000000); // pictureOrderCount
+	RVCE_CS(0xffffffff); // lumaOffset
+	RVCE_CS(0xffffffff); // chromaOffset
+
+	// encReferencePictureL1[0]
+	RVCE_CS(0x00000000); // pictureStructure
+	if(enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_B) {
+		struct rvce_cpb_slot *l1 = l1_slot(enc);
+		frame_offset(enc, l1, &luma_offset, &chroma_offset);
+		RVCE_CS(l1->picture_type); // encPicType
+		RVCE_CS(l1->frame_num); // frameNumber
+		RVCE_CS(l1->pic_order_cnt); // pictureOrderCount
+		RVCE_CS(luma_offset); // lumaOffset
+		RVCE_CS(chroma_offset); // chromaOffset
+	} else {
 		RVCE_CS(0x00000000); // encPicType
 		RVCE_CS(0x00000000); // frameNumber
 		RVCE_CS(0x00000000); // pictureOrderCount
 		RVCE_CS(0xffffffff); // lumaOffset
 		RVCE_CS(0xffffffff); // chromaOffset
 	}
-	
+
 	frame_offset(enc, current_slot(enc), &luma_offset, &chroma_offset);
 	RVCE_CS(luma_offset); // encReconstructedLumaOffset
 	RVCE_CS(chroma_offset); // encReconstructedChromaOffset