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authorChris Wilson <chris@chris-wilson.co.uk>2013-07-26 09:35:06 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2013-07-28 14:49:07 +0100
commit45d4e8dcf9aee37015b1ee026997ed4dabdf112e (patch)
treec140efa6a28d80266849d08d5ea368419e95c977 /xvmc/shader/mc/frame_forward_igd.g4a
parentab28526ea43728fb675448515e1519a970fb5f56 (diff)
uxa: Clear up the common intel directory
Move all the UXA backend specifc files into their own subdirectory. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'xvmc/shader/mc/frame_forward_igd.g4a')
-rw-r--r--xvmc/shader/mc/frame_forward_igd.g4a30
1 files changed, 30 insertions, 0 deletions
diff --git a/xvmc/shader/mc/frame_forward_igd.g4a b/xvmc/shader/mc/frame_forward_igd.g4a
new file mode 100644
index 00000000..11928eaf
--- /dev/null
+++ b/xvmc/shader/mc/frame_forward_igd.g4a
@@ -0,0 +1,30 @@
+/* GRF allocation:
+ g1~g30: constant buffer
+ g1~g2:intra IQ matrix
+ g3~g4:non intra IQ matrix
+ g5~g20:IDCT table
+ g31: thread payload
+ g32: message descriptor for reading reference data
+ g58~g81:reference data
+ g82: thread payload backup
+ g83~g106:IDCT data */
+mov (8) g82.0<1>UD g31.0<8,8,1>UD {align1};
+mov (1) g126.8<1>UD ip {align1};
+add (1) ip g21.0<1,1,1>UD 0x50UD {align1}; //jump to the lib to do IDCT
+
+//Y, (x', y') = (x, y) + (motion_vector.x >> 1, motion_vector.y >> 1)
+asr (2) g31.14<1>W g82.14<2,2,1>W 1W {align1};
+add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
+mov (1) g32.16<1>UW 0UW {align1}; //0:forward 1:backward
+mov (1) a0.0<1>UD 0x0A4EUD {align1}; //g82.14,motion vector
+mov (1) g126.8<1>UD ip {align1};
+add (1) ip g21.0<1,1,1>UD 0x00UD {align1}; //jump to the lib to read reference data
+
+//UV, (x', y') = (x >> 1, y >> 1) + (motion_vector.x >> 2, motion_vector.y >> 2)
+shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1};
+asr (2) g31.14<1>W g82.14<2,2,1>W 2W {align1};
+add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
+mov (1) g126.8<1>UD ip {align1};
+add (1) ip g21.0<1,1,1>UD 0x10UD {align1}; //jump to the lib to read reference data
+
+add (1) ip g21.0<1,1,1>UD 0x40UD {align1}; //jump to the lib to add the reference and idct data