Merge GrGLSLShaderVar and GrShaderVar

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=5087

Change-Id: Ib8943a1da1ea495554feaf5b0992b94fbb9539ab
Reviewed-on: https://skia-review.googlesource.com/5087
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/src/gpu/GrShaderVar.cpp b/src/gpu/GrShaderVar.cpp
new file mode 100644
index 0000000000..ef305cbfc9
--- /dev/null
+++ b/src/gpu/GrShaderVar.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#include "GrShaderVar.h"
+#include "glsl/GrGLSLCaps.h"
+
+void GrShaderVar::appendDecl(const GrGLSLCaps* glslCaps, SkString* out) const {
+    SkASSERT(kDefault_GrSLPrecision == fPrecision || GrSLTypeAcceptsPrecision(fType));
+    if (!fLayoutQualifier.isEmpty()) {
+        out->appendf("layout(%s) ", fLayoutQualifier.c_str());
+    }
+    out->append(fExtraModifiers);
+    if (this->getTypeModifier() != kNone_TypeModifier) {
+        out->append(TypeModifierString(this->getTypeModifier()));
+        out->append(" ");
+    }
+    GrSLType effectiveType = this->getType();
+    if (glslCaps->usesPrecisionModifiers() && GrSLTypeAcceptsPrecision(effectiveType)) {
+        // Desktop GLSL has added precision qualifiers but they don't do anything.
+        out->appendf("%s ", GrGLSLPrecisionString(fPrecision));
+    }
+    if (this->isArray()) {
+        if (this->isUnsizedArray()) {
+            out->appendf("%s %s[]",
+                         GrGLSLTypeString(effectiveType),
+                         this->getName().c_str());
+        } else {
+            SkASSERT(this->getArrayCount() > 0);
+            out->appendf("%s %s[%d]",
+                         GrGLSLTypeString(effectiveType),
+                         this->getName().c_str(),
+                         this->getArrayCount());
+        }
+    } else {
+        out->appendf("%s %s",
+                     GrGLSLTypeString(effectiveType),
+                     this->getName().c_str());
+    }
+}