commit 5843012837cf9e02d4fb5f01cc121fcbc8417423
author Ethan Nicholas <ethannicholas@google.com> Tue Apr 14 09:54:02 2020 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Tue Apr 14 16:07:34 2020 +0000
tree bb1bb89f9237fa74d1328b25c51689d95d0c7e07
parent 505dc179b09c56b2650127218a2b2b4d39c63c71

Add sample(child, matrix) to SkSL.

This allows fragment processors to sample their children with their
local coordinate system transformed by a matrix.

Change-Id: Ifa848bbd85b939bbc5751fec5cf8f89ee904bf39
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/282590
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

src/gpu/effects/generated/GrMagnifierEffect.cpp

diff --git a/src/gpu/effects/generated/GrMagnifierEffect.cpp b/src/gpu/effects/generated/GrMagnifierEffect.cpp
index 2e3c201..0746fbf 100644
--- a/src/gpu/effects/generated/GrMagnifierEffect.cpp
+++ b/src/gpu/effects/generated/GrMagnifierEffect.cpp
@@ -47,8 +47,8 @@
                 &_outer, kFragment_GrShaderFlag, kFloat_GrSLType, "yInvInset");
         offsetVar = args.fUniformHandler->addUniform(
                 &_outer, kFragment_GrShaderFlag, kHalf2_GrSLType, "offset");
-        SkString sk_TransformedCoords2D_0 =
-                fragBuilder->ensureCoords2D(args.fTransformedCoords[0].fVaryingPoint);
+        SkString sk_TransformedCoords2D_0 = fragBuilder->ensureCoords2D(
+                args.fTransformedCoords[0].fVaryingPoint, _outer.sampleMatrix());
         fragBuilder->codeAppendf(
                 "float2 coord = %s;\nfloat2 zoom_coord = float2(%s) + coord * float2(%s, "
                 "%s);\nfloat2 delta = (coord - %s.xy) * %s.zw;\ndelta = min(delta, "