/* * 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 "src/gpu/GrShaderCaps.h" #include "src/gpu/GrShaderVar.h" static const char* type_modifier_string(GrShaderVar::TypeModifier t) { switch (t) { case GrShaderVar::kNone_TypeModifier: return ""; case GrShaderVar::kIn_TypeModifier: return "in"; case GrShaderVar::kInOut_TypeModifier: return "inout"; case GrShaderVar::kOut_TypeModifier: return "out"; case GrShaderVar::kUniform_TypeModifier: return "uniform"; } SK_ABORT("Unknown shader variable type modifier."); return ""; } void GrShaderVar::setIOType(GrIOType ioType) { switch (ioType) { case kRW_GrIOType: return; case kRead_GrIOType: this->addModifier("readonly"); return; case kWrite_GrIOType: this->addModifier("writeonly"); return; } SK_ABORT("Unknown io type."); } void GrShaderVar::appendDecl(const GrShaderCaps* shaderCaps, SkString* out) const { SkString layout = fLayoutQualifier; if (!fLayoutQualifier.isEmpty()) { out->appendf("layout(%s) ", fLayoutQualifier.c_str()); } out->append(fExtraModifiers); if (this->getTypeModifier() != kNone_TypeModifier) { out->append(type_modifier_string(this->getTypeModifier())); out->append(" "); } GrSLType effectiveType = this->getType(); 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()); } }