commit f9a8688b4e9b4f84545968ad17774143c209f28e
author Brian Salomon <bsalomon@google.com> Thu Jun 13 11:13:48 2019 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Thu Jun 13 19:02:14 2019 +0000
tree 1cc7b6c677ad2bcb761e78b814a1b665408a65c0
parent 353890898339a6c9fc5a03792a1e2c8c4f24aad1

Make GrBicubicEffect also support centripetal Catmull-Rom kernel.

Use new kernel in async rescale APIs.

Bug: skia:8962
Change-Id: Ife8f56f54b5df58cedd65b54083c7c0716b8c633
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/216352
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

src/gpu/GrRenderTargetContext.cpp

diff --git a/src/gpu/GrRenderTargetContext.cpp b/src/gpu/GrRenderTargetContext.cpp
index a7cbeac..0047436 100644
--- a/src/gpu/GrRenderTargetContext.cpp
+++ b/src/gpu/GrRenderTargetContext.cpp
@@ -1894,12 +1894,14 @@
             } else if (nextH == srcH) {
                 dir = GrBicubicEffect::Direction::kX;
             }
+            static constexpr auto kKernel = GrBicubicEffect::Kernel::kCatmullRom;
             if (srcW != texProxy->width() || srcH != texProxy->height()) {
                 auto domain = GrTextureDomain::MakeTexelDomain(
                         SkIRect::MakeXYWH(srcX, srcY, srcW, srcH), GrTextureDomain::kClamp_Mode);
-                fp = GrBicubicEffect::Make(texProxy, matrix, domain, dir, kPremul_SkAlphaType);
+                fp = GrBicubicEffect::Make(texProxy, matrix, domain, kKernel, dir,
+                                           kPremul_SkAlphaType);
             } else {
-                fp = GrBicubicEffect::Make(texProxy, matrix, dir, kPremul_SkAlphaType);
+                fp = GrBicubicEffect::Make(texProxy, matrix, kKernel, dir, kPremul_SkAlphaType);
             }
             if (xform) {
                 fp = GrColorSpaceXformEffect::Make(std::move(fp), std::move(xform));