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/*
* 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/sksl/SkSLUtil.h"
#include "src/core/SkSLTypeShared.h"
#include "src/sksl/SkSLBuiltinTypes.h"
#include "src/sksl/SkSLContext.h"
#include "src/sksl/SkSLOutputStream.h"
#include "src/sksl/SkSLStringStream.h"
#include "src/sksl/ir/SkSLType.h"
#include <string>
namespace SkSL {
// TODO: Once Graphite has its own GPU-caps system, SK_GRAPHITE_ENABLED should get its own mode.
// At the moment, it either mimics what GrShaderCaps reports, or it uses these hard-coded values
// depending on the build.
#if defined(SKSL_STANDALONE) || !SK_SUPPORT_GPU
std::unique_ptr<ShaderCaps> ShaderCapsFactory::MakeShaderCaps() {
std::unique_ptr<ShaderCaps> standalone = std::make_unique<ShaderCaps>();
standalone->fShaderDerivativeSupport = true;
standalone->fExplicitTextureLodSupport = true;
standalone->fFlatInterpolationSupport = true;
standalone->fNoPerspectiveInterpolationSupport = true;
standalone->fSampleMaskSupport = true;
standalone->fExternalTextureSupport = true;
return standalone;
}
#else
std::unique_ptr<ShaderCaps> ShaderCapsFactory::MakeShaderCaps() {
return std::make_unique<ShaderCaps>();
}
#endif // defined(SKSL_STANDALONE) || !SK_SUPPORT_GPU
void write_stringstream(const StringStream& s, OutputStream& out) {
out.write(s.str().c_str(), s.str().size());
}
#if !defined(SKSL_STANDALONE) && (SK_SUPPORT_GPU || SK_SUPPORT_GRAPHITE)
bool type_to_sksltype(const Context& context, const Type& type, SkSLType* outType) {
// If a new GrSL type is added, this function will need to be updated.
static_assert(kSkSLTypeCount == 41);
if (type.matches(*context.fTypes.fVoid )) { *outType = SkSLType::kVoid; return true; }
if (type.matches(*context.fTypes.fBool )) { *outType = SkSLType::kBool; return true; }
if (type.matches(*context.fTypes.fBool2 )) { *outType = SkSLType::kBool2; return true; }
if (type.matches(*context.fTypes.fBool3 )) { *outType = SkSLType::kBool3; return true; }
if (type.matches(*context.fTypes.fBool4 )) { *outType = SkSLType::kBool4; return true; }
if (type.matches(*context.fTypes.fShort )) { *outType = SkSLType::kShort; return true; }
if (type.matches(*context.fTypes.fShort2 )) { *outType = SkSLType::kShort2; return true; }
if (type.matches(*context.fTypes.fShort3 )) { *outType = SkSLType::kShort3; return true; }
if (type.matches(*context.fTypes.fShort4 )) { *outType = SkSLType::kShort4; return true; }
if (type.matches(*context.fTypes.fUShort )) { *outType = SkSLType::kUShort; return true; }
if (type.matches(*context.fTypes.fUShort2 )) { *outType = SkSLType::kUShort2; return true; }
if (type.matches(*context.fTypes.fUShort3 )) { *outType = SkSLType::kUShort3; return true; }
if (type.matches(*context.fTypes.fUShort4 )) { *outType = SkSLType::kUShort4; return true; }
if (type.matches(*context.fTypes.fFloat )) { *outType = SkSLType::kFloat; return true; }
if (type.matches(*context.fTypes.fFloat2 )) { *outType = SkSLType::kFloat2; return true; }
if (type.matches(*context.fTypes.fFloat3 )) { *outType = SkSLType::kFloat3; return true; }
if (type.matches(*context.fTypes.fFloat4 )) { *outType = SkSLType::kFloat4; return true; }
if (type.matches(*context.fTypes.fFloat2x2)) { *outType = SkSLType::kFloat2x2; return true; }
if (type.matches(*context.fTypes.fFloat3x3)) { *outType = SkSLType::kFloat3x3; return true; }
if (type.matches(*context.fTypes.fFloat4x4)) { *outType = SkSLType::kFloat4x4; return true; }
if (type.matches(*context.fTypes.fHalf )) { *outType = SkSLType::kHalf; return true; }
if (type.matches(*context.fTypes.fHalf2 )) { *outType = SkSLType::kHalf2; return true; }
if (type.matches(*context.fTypes.fHalf3 )) { *outType = SkSLType::kHalf3; return true; }
if (type.matches(*context.fTypes.fHalf4 )) { *outType = SkSLType::kHalf4; return true; }
if (type.matches(*context.fTypes.fHalf2x2 )) { *outType = SkSLType::kHalf2x2; return true; }
if (type.matches(*context.fTypes.fHalf3x3 )) { *outType = SkSLType::kHalf3x3; return true; }
if (type.matches(*context.fTypes.fHalf4x4 )) { *outType = SkSLType::kHalf4x4; return true; }
if (type.matches(*context.fTypes.fInt )) { *outType = SkSLType::kInt; return true; }
if (type.matches(*context.fTypes.fInt2 )) { *outType = SkSLType::kInt2; return true; }
if (type.matches(*context.fTypes.fInt3 )) { *outType = SkSLType::kInt3; return true; }
if (type.matches(*context.fTypes.fInt4 )) { *outType = SkSLType::kInt4; return true; }
if (type.matches(*context.fTypes.fUInt )) { *outType = SkSLType::kUInt; return true; }
if (type.matches(*context.fTypes.fUInt2 )) { *outType = SkSLType::kUInt2; return true; }
if (type.matches(*context.fTypes.fUInt3 )) { *outType = SkSLType::kUInt3; return true; }
if (type.matches(*context.fTypes.fUInt4 )) { *outType = SkSLType::kUInt4; return true; }
return false;
}
#endif
} // namespace SkSL