non-linear blending first steps

Code:
  - Add a non-linear blending bit and makeNonlinearBlending()
    to SkColorSpace
  - remove enough F16=linear checks to make it possible to
    create surfaces and encode pngs with nonlinear F16

Testing:
  - add "esrgb" software config to DM, run it
  - add "srgbnl" software config, run it
  - deemphasize importance of "srgb" config on bots
  - update unit tests to reflect relaxed F16 constraints
  - add a new unit test file with _really_ basic tests,
    and a new unit test that's not working yet

Bug: skia:7942

Change-Id: I8ac042bdf9f3d791765393b68fd9256375184d83
Reviewed-on: https://skia-review.googlesource.com/127325
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/tests/CodecTest.cpp b/tests/CodecTest.cpp
index ceb10a10df..474cdc6931 100644
--- a/tests/CodecTest.cpp
+++ b/tests/CodecTest.cpp
@@ -1144,22 +1144,22 @@ static void test_conversion_possible(skiatest::Reporter* r, const char* path,
     SkBitmap bm;
     bm.allocPixels(infoF16);
     SkCodec::Result result = codec->getPixels(infoF16, bm.getPixels(), bm.rowBytes());
-    REPORTER_ASSERT(r, SkCodec::kInvalidConversion == result);
+    REPORTER_ASSERT(r, SkCodec::kSuccess == result);
 
     result = codec->startScanlineDecode(infoF16);
     if (supportsScanlineDecoder) {
-        REPORTER_ASSERT(r, SkCodec::kInvalidConversion == result);
+        REPORTER_ASSERT(r, SkCodec::kSuccess == result);
     } else {
         REPORTER_ASSERT(r, SkCodec::kUnimplemented == result
-                        || SkCodec::kInvalidConversion == result);
+                        || SkCodec::kSuccess == result);
     }
 
     result = codec->startIncrementalDecode(infoF16, bm.getPixels(), bm.rowBytes());
     if (supportsIncrementalDecoder) {
-        REPORTER_ASSERT(r, SkCodec::kInvalidConversion == result);
+        REPORTER_ASSERT(r, SkCodec::kSuccess == result);
     } else {
         REPORTER_ASSERT(r, SkCodec::kUnimplemented == result
-                        || SkCodec::kInvalidConversion == result);
+                        || SkCodec::kSuccess == result);
     }
 
     infoF16 = infoF16.makeColorSpace(infoF16.colorSpace()->makeLinearGamma());