renamed SkSL texture() and process() to sample()

Bug: skia:
Change-Id: I2ae0caf08f8434302cae8151ae1ea0fda8d56928
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230397
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
diff --git a/src/gpu/glsl/GrGLSLShaderBuilder.cpp b/src/gpu/glsl/GrGLSLShaderBuilder.cpp
index 4105d02..a87d591 100644
--- a/src/gpu/glsl/GrGLSLShaderBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLShaderBuilder.cpp
@@ -71,7 +71,7 @@
                                               const char* coordName,
                                               GrSLType varyingType) const {
     const char* sampler = fProgramBuilder->samplerVariable(samplerHandle);
-    out->appendf("texture(%s, %s)", sampler, coordName);
+    out->appendf("sample(%s, %s)", sampler, coordName);
     append_texture_swizzle(out, fProgramBuilder->samplerSwizzle(samplerHandle));
 }