summaryrefslogtreecommitdiff
path: root/i965_drv_video/shaders/mpeg2/vld/field_forward.g4a
diff options
context:
space:
mode:
Diffstat (limited to 'i965_drv_video/shaders/mpeg2/vld/field_forward.g4a')
-rw-r--r--i965_drv_video/shaders/mpeg2/vld/field_forward.g4a116
1 files changed, 116 insertions, 0 deletions
diff --git a/i965_drv_video/shaders/mpeg2/vld/field_forward.g4a b/i965_drv_video/shaders/mpeg2/vld/field_forward.g4a
new file mode 100644
index 0000000..611cf0c
--- /dev/null
+++ b/i965_drv_video/shaders/mpeg2/vld/field_forward.g4a
@@ -0,0 +1,116 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Author:
+ * Zou Nan hai <nanhai.zou@intel.com>
+ * Yan Li <li.l.yan@intel.com>
+ * Liu Xi bin<xibin.liu@intel.com>
+ */
+/* GRF allocation:
+ g1~g30: constant buffer
+ g1~g2:intra IQ matrix
+ g3~g4:non intra IQ matrix
+ g5~g20:IDCT table
+ g31: thread payload
+ g58~g81:reference data
+ g82: thread payload backup
+ g83~g106:IDCT data
+ g32: message descriptor for reading reference data */
+
+mov (8) g82.0<1>UD g31.0<8,8,1>UD {align1};
+mov (2) g31.0<1>UD g82.12<2,2,1>UW {align1};
+mov (1) g126.8<1>UD ip {align1};
+mov (1) ip g21.0<1,1,1>UD {align1};
+
+and.nz (1) null g82.2<1,1,1>UW 0x0800UW {align1}; //second field-picture?
+(f0) jmpi first_field_picture;
+
+and (1) g32.0<1>UW g82.10<1,1,1>UW 0x0003UW {align1};
+cmp.e (1) null g32.0<1,1,1>UW 0x0002UW {align1}; //bottom field?
+(f0) jmpi bottom_field;
+
+top_field:
+and.z (1) null g82.2<1,1,1>UW 0x1000UW {align1}; //motion vertical field select forward
+(f0) jmpi first_field_picture; //second field-picture top field from top
+mov (1) g32.28<1>UD 1UD {align1};
+jmpi first_field_picture; //second field-picture top field from bottom
+
+bottom_field:
+and.nz (1) null g82.2<1,1,1>UW 0x1000UW {align1}; //motion vertical field select forward
+(f0) jmpi first_field_picture; //second field-picture bottom field from bottom
+mov (1) g32.28<1>UD 0UD {align1};
+jmpi second_field_picture; //second field-picture bottom field from top
+
+//Y of top field
+first_field_picture:
+asr (2) g31.14<1>W g82.16<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) g32.28<1>UD 0UD {align1};
+and.nz (1) null g82.2<1,1,1>UW 0x1000UW {align1}; //motion vertical field select forward
+(f0) mov (1) g32.28<1>UD 1UD {align1};
+shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
+add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
+define(`surface',`4')
+define(`mv1',`g82.16')
+define(`mv2',`g82.18')
+include(`field_motion_y.g4i')
+//UV of top field
+shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1};
+asr (2) g31.14<1>W g82.16<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) g32.28<1>UD 0UD {align1};
+and.nz (1) null g82.2<1,1,1>UW 0x1000UW {align1}; //motion vertical field select forward
+(f0) mov (1) g32.28<1>UD 1UD {align1};
+shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
+add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
+define(`surface_u', `5')
+define(`surface_v', `6')
+define(`mv1',`g82.16')
+define(`mv2',`g82.18')
+include(`field_motion_uv.g4i')
+jmpi field_addidct;
+
+second_field_picture:
+//Y of bottom field
+asr (2) g31.14<1>W g82.16<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};
+shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
+define(`surface',`3')
+define(`mv1',`g82.16')
+define(`mv2',`g82.18')
+include(`field_motion_y.g4i')
+//UV of bottom field
+shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1};
+asr (2) g31.14<1>W g82.16<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};
+shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
+define(`surface_u', `10')
+define(`surface_v', `11')
+define(`mv1',`g82.16')
+define(`mv2',`g82.18')
+include(`field_motion_uv.g4i')
+
+field_addidct:
+include(`field_addidct.g4i')
+out:
+send (16) 0 acc0<1>UW g0<8,8,1>UW
+ thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT};