initClassID no longer auto-allocates ids

Auto-allocated IDs mean that the IDs depend upon the order in which
classes happen to get initialized and are therefore not consistent
from run to run. This change paves the way for a persistent shader
cache by fixing the IDs in an enum.

Bug: skia:
Change-Id: I3e923c6c54f41b3b3eb616458abee83e0909c09f
Reviewed-on: https://skia-review.googlesource.com/56401
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/src/effects/GrAlphaThresholdFragmentProcessor.h b/src/effects/GrAlphaThresholdFragmentProcessor.h
index 3b649516c1..2d2b58aaee 100644
--- a/src/effects/GrAlphaThresholdFragmentProcessor.h
+++ b/src/effects/GrAlphaThresholdFragmentProcessor.h
@@ -44,7 +44,7 @@ private:
                                       sk_sp<GrColorSpaceXform> colorXform,
                                       sk_sp<GrTextureProxy> mask, float innerThreshold,
                                       float outerThreshold, const SkIRect& bounds)
-            : INHERITED(kNone_OptimizationFlags)
+            : INHERITED(kGrAlphaThresholdFragmentProcessor_ClassID, kNone_OptimizationFlags)
             , fImage(std::move(image))
             , fColorXform(colorXform)
             , fMask(std::move(mask))
@@ -58,7 +58,6 @@ private:
         this->addTextureSampler(&fMask);
         this->addCoordTransform(&fImageCoordTransform);
         this->addCoordTransform(&fMaskCoordTransform);
-        this->initClassID<GrAlphaThresholdFragmentProcessor>();
     }
     GrGLSLFragmentProcessor* onCreateGLSLInstance() const override;
     void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override;