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authorXiang, Haihao <haihao.xiang@intel.com>2013-12-02 12:52:08 +0800
committerXiang, Haihao <haihao.xiang@intel.com>2013-12-06 15:11:10 +0800
commit5f40b23cfa0441fceba9d2cb6437724e880a8fc3 (patch)
treef220879a35620ed911d4d40e216ce2435974102f /shaders
parentc6835697253c07cfc6711bcfc9b071afa4a6144d (diff)
tests/gem_media_fill: the assembly code for the shader used in the case
The code is for reference only v2: Fixed the source register used for the send with EOT Fixed the posted destination operand for the send with EOT v3: Fixed the cache agent used in media_block_write message on GEN8 Reviewed-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
Diffstat (limited to 'shaders')
-rw-r--r--shaders/media/README5
-rw-r--r--shaders/media/media_fill.gxa44
2 files changed, 49 insertions, 0 deletions
diff --git a/shaders/media/README b/shaders/media/README
new file mode 100644
index 00000000..9f296010
--- /dev/null
+++ b/shaders/media/README
@@ -0,0 +1,5 @@
+These files are here for reference only.
+
+Commands used to generate the shader on gen8
+$> m4 media_fill.gxa > media_fill.gxm
+$> intel-gen4asm -g 8 -o <output> media_fill.gxm
diff --git a/shaders/media/media_fill.gxa b/shaders/media/media_fill.gxa
new file mode 100644
index 00000000..75788906
--- /dev/null
+++ b/shaders/media/media_fill.gxa
@@ -0,0 +1,44 @@
+/*
+ * Registers
+ * g0 -- header
+ * g1 -- constant
+ * g2 -- inline data
+ * g3 -- reserved
+ * g4-g12 payload for write message
+ */
+define(`ORIG', `g2.0<2,2,1>UD')
+define(`COLOR', `g1.0')
+define(`COLORUB', `COLOR<0,1,0>UB')
+define(`COLORUD', `COLOR<0,1,0>UD')
+
+mov(4) COLOR<1>UB COLORUB {align1};
+
+/* WRITE */
+mov(8) g4.0<1>UD g0.0<8,8,1>UD {align1};
+mov(2) g4.0<1>UD ORIG {align1};
+mov(1) g4.8<1>UD 0x000f000fUD {align1};
+
+mov(16) g5.0<1>UD COLORUD {align1 compr};
+mov(16) g7.0<1>UD COLORUD {align1 compr};
+mov(16) g9.0<1>UD COLORUD {align1 compr};
+mov(16) g11.0<1>UD COLORUD {align1 compr};
+
+/*
+ * comment out the following instruction on Gen7
+ * write(0, 0, 10, 12)
+ * 10: media_block_write
+ * 12: data cache data port 1
+ */
+send(16) 4 acc0<1>UW null write(0, 0, 10, 12) mlen 9 rlen 0 {align1};
+
+/*
+ * uncomment the following instruction on Gen7
+ * write(0, 0, 10, 0)
+ * 10: media_block_write
+ * 0: reander cache data port
+ */
+/* send(16) 4 acc0<1>UW null write(0, 0, 10, 0) mlen 9 rlen 0 {align1}; */
+
+/* EOT */
+mov(8) g112.0<1>UD g0.0<8,8,1>UD {align1};
+send(16) 112 null<1>UW null thread_spawner(0, 0, 1) mlen 1 rlen 0 {align1 EOT};