Revert "Revert "SkColorSpaceXformer: Preserve local matrix on shaders""

This reverts commit a50a11c17ed9037d3e60d8319727583dba803cec.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Revert "SkColorSpaceXformer: Preserve local matrix on shaders"
> 
> This reverts commit 5d884b562828ceb13ccacb71bc4581d2020e62bb.
> 
> Reason for revert: Wrong thing to revert
> 
> Original change's description:
> > SkColorSpaceXformer: Preserve local matrix on shaders
> > 
> > Also, do not drop unknown shaders.
> > 
> > Fixes cts tests.
> > 
> > b/37161109
> > b/37237678
> > 
> > Bug: skia:
> > Change-Id: I0fd817a4d6461ede0ccdcb8f3cccb255b646b864
> > Reviewed-on: https://skia-review.googlesource.com/13246
> > Commit-Queue: Matt Sarett <msarett@google.com>
> > Commit-Queue: Mike Klein <mtklein@chromium.org>
> > Reviewed-by: Mike Klein <mtklein@chromium.org>
> > 
> 
> TBR=mtklein@chromium.org,mtklein@google.com,msarett@google.com,reviews@skia.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> 
> Change-Id: I34e02785ac43a04f8452c458680ea1d6518818a6
> Reviewed-on: https://skia-review.googlesource.com/13258
> Reviewed-by: Matt Sarett <msarett@google.com>
> Commit-Queue: Matt Sarett <msarett@google.com>
> 

TBR=mtklein@chromium.org,mtklein@google.com,msarett@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I2dfac7d41caf0e32d3bb5f3f330fff4970c0545e
Reviewed-on: https://skia-review.googlesource.com/13260
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Matt Sarett <msarett@google.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/core/SkColorSpaceXformer.cpp b/src/core/SkColorSpaceXformer.cpp
index 38e717de0d..fe66e74c79 100644
--- a/src/core/SkColorSpaceXformer.cpp
+++ b/src/core/SkColorSpaceXformer.cpp
@@ -71,7 +71,8 @@ SkColor SkColorSpaceXformer::apply(SkColor srgb) {
 sk_sp<SkShader> SkColorSpaceXformer::apply(const SkShader* shader) {
     SkColor color;
     if (shader->isConstant() && shader->asLuminanceColor(&color)) {
-        return SkShader::MakeColorShader(this->apply(color));
+        return SkShader::MakeColorShader(this->apply(color))
+                ->makeWithLocalMatrix(shader->getLocalMatrix());
     }
 
     SkShader::TileMode xy[2];
@@ -85,7 +86,8 @@ sk_sp<SkShader> SkColorSpaceXformer::apply(const SkShader* shader) {
         auto A = this->apply(compose.fShaderA),
              B = this->apply(compose.fShaderB);
         if (A && B) {
-            return SkShader::MakeComposeShader(std::move(A), std::move(B), compose.fBlendMode);
+            return SkShader::MakeComposeShader(std::move(A), std::move(B), compose.fBlendMode)
+                    ->makeWithLocalMatrix(shader->getLocalMatrix());
         }
     }
 
@@ -147,7 +149,7 @@ sk_sp<SkShader> SkColorSpaceXformer::apply(const SkShader* shader) {
         }
     }
 
-    return nullptr;
+    return sk_ref_sp(const_cast<SkShader*>(shader));
 }
 
 const SkPaint& SkColorSpaceXformer::apply(const SkPaint& src) {