1 /*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "src/gpu/ganesh/GrShaderVar.h"
9
10 #include "src/core/SkSLTypeShared.h"
11
type_modifier_string(GrShaderVar::TypeModifier t)12 static const char* type_modifier_string(GrShaderVar::TypeModifier t) {
13 switch (t) {
14 case GrShaderVar::TypeModifier::None: return "";
15 case GrShaderVar::TypeModifier::In: return "in";
16 case GrShaderVar::TypeModifier::InOut: return "inout";
17 case GrShaderVar::TypeModifier::Out: return "out";
18 case GrShaderVar::TypeModifier::Uniform: return "uniform";
19 }
20 SK_ABORT("Unknown shader variable type modifier.");
21 }
22
appendDecl(const GrShaderCaps * shaderCaps,SkString * out) const23 void GrShaderVar::appendDecl(const GrShaderCaps* shaderCaps, SkString* out) const {
24 if (!fLayoutQualifier.isEmpty()) {
25 out->appendf("layout(%s) ", fLayoutQualifier.c_str());
26 }
27 if (!fExtraModifiers.isEmpty()) {
28 out->appendf("%s ", fExtraModifiers.c_str());
29 }
30 if (this->getTypeModifier() != TypeModifier::None) {
31 out->appendf("%s ", type_modifier_string(this->getTypeModifier()));
32 }
33 SkSLType effectiveType = this->getType();
34 if (this->isArray()) {
35 SkASSERT(this->getArrayCount() > 0);
36 out->appendf("%s %s[%d]",
37 SkSLTypeString(effectiveType),
38 this->getName().c_str(),
39 this->getArrayCount());
40 } else {
41 out->appendf("%s %s", SkSLTypeString(effectiveType), this->getName().c_str());
42 }
43 }
44