commit 7f71d8845c3c57c6e4b33c3666cca46b55e91d02
author Mike Klein <mtklein@chromium.org> Fri Jan 06 12:00:31 2017 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Fri Jan 06 17:45:41 2017 +0000
tree aea72f38ade77ff52c4f6c47cbf4f7d5c492f218
parent f55ea6a1deb21120944d406124a2984b5009260a

SkXbyak basics

A little JIT proof of concept for SkRasterPipeline, using xbyak, which is a header-only assembler.  It's x86-only, but supports x86 very thoroughly, and it's very user friendly (at least as far as assembler libraries go...).

CQ_INCLUDE_TRYBOTS=skia.primary:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD

Change-Id: Ie17e562b0f3fff5914041badfb2c1fe4f86efab8
Reviewed-on: https://skia-review.googlesource.com/5730
Reviewed-by: Herb Derby <herb@google.com>
Reviewed-by: Heather Miller <hcm@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>

tests/SkRasterPipelineTest.cpp

diff --git a/tests/SkRasterPipelineTest.cpp b/tests/SkRasterPipelineTest.cpp
index ddd84e7..2f9b406 100644
--- a/tests/SkRasterPipelineTest.cpp
+++ b/tests/SkRasterPipelineTest.cpp
@@ -34,6 +34,16 @@
     REPORTER_ASSERT(r, ((result >> 16) & 0xffff) == 0x0000);
     REPORTER_ASSERT(r, ((result >> 32) & 0xffff) == 0x3800);
     REPORTER_ASSERT(r, ((result >> 48) & 0xffff) == 0x3c00);
+
+    // Run again, this time compiling the pipeline.
+    result = 0;
+
+    auto fn = p.compile();
+    fn(0,0, 1);
+    REPORTER_ASSERT(r, ((result >>  0) & 0xffff) == 0x3800);
+    REPORTER_ASSERT(r, ((result >> 16) & 0xffff) == 0x0000);
+    REPORTER_ASSERT(r, ((result >> 32) & 0xffff) == 0x3800);
+    REPORTER_ASSERT(r, ((result >> 48) & 0xffff) == 0x3c00);
 }
 
 DEF_TEST(SkRasterPipeline_empty, r) {