summaryrefslogtreecommitdiff
path: root/xvmc/shader/vld/do_iq_intra.g4i
diff options
context:
space:
mode:
Diffstat (limited to 'xvmc/shader/vld/do_iq_intra.g4i')
-rw-r--r--xvmc/shader/vld/do_iq_intra.g4i64
1 files changed, 64 insertions, 0 deletions
diff --git a/xvmc/shader/vld/do_iq_intra.g4i b/xvmc/shader/vld/do_iq_intra.g4i
new file mode 100644
index 00000000..29bd0208
--- /dev/null
+++ b/xvmc/shader/vld/do_iq_intra.g4i
@@ -0,0 +1,64 @@
+/*
+ * Copyright © 2008 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
+ g112~g115: intra IQ matrix in UW format (in order to use instruction compress), copys from g1~g2
+ g[a0.0]:DCT data of a block
+ g125: ip before jump
+ if(v==0 && u==0 && intra_mb)
+ F''[v][u] = QF[v][u] * intra_dc_mult
+ else
+ F''[v][u] = (QF[v][u]*W[w][v][u]*quantiser_scale*2)/32
+*/
+DO_IQ_INTRA:
+add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1};
+mov (1) g111.0<1>W g[a0.0]<1,1,1>W {align1};
+mul (16) g116.0<1>D g[a0.0]<8,8,1>W g112.0<8,8,1>UW {align1 compr};
+mul (16) g116.0<1>D g116.0<8,8,1>D g109.0<8,8,0>UW {align1 compr};
+asr (16) g116.0<1>D g116.0<8,8,1>D 4UW {align1 compr};
+mul (1) g116.0<1>D g111<1,1,1>W g109.4<1,1,1>UW {align1}; //intra_dc_mult
+
+add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1};
+mul (16) g118.0<1>D g[a0.0]<8,8,1>W g113.0<8,8,1>UW {align1 compr};
+mul (16) g118.0<1>D g118.0<8,8,1>D g109.0<8,8,0>UW {align1 compr};
+asr (16) g118.0<1>D g118.0<8,8,1>D 4UW {align1 compr};
+
+add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1};
+mul (16) g120.0<1>D g[a0.0]<8,8,1>W g114.0<8,8,1>UW {align1 compr};
+mul (16) g120.0<1>D g120.0<8,8,1>D g109.0<8,8,0>UW {align1 compr};
+asr (16) g120.0<1>D g120.0<8,8,1>D 4UW {align1 compr};
+
+add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1};
+mul (16) g122.0<1>D g[a0.0]<8,8,1>W g115.0<8,8,1>UW {align1 compr};
+mul (16) g122.0<1>D g122.0<8,8,1>D g109.0<8,8,0>UW {align1 compr};
+asr (16) g122.0<1>D g122.0<8,8,1>D 4UW {align1 compr};
+
+add (1) ip g125.0<1,1,1>UD 0x20UD {align1}; //jump back