577c6067a1
For now, just bolt this onto the existing runtime effects. The next step is to add dedicated modes to the compiler for shader vs. color filter. Once we get there, we will be much more strict about main signature in each mode (and start adding other per-mode error checking). Bug: skia:11813 Change-Id: I27e27600209e9844ae107364baea2fb949b47c3f Reviewed-on: https://skia-review.googlesource.com/c/skia/+/395838 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Mike Klein <mtklein@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com>
66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
/*
|
|
* Copyright 2019 Google, LLC
|
|
*
|
|
* 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/sksl/SkSLCompiler.h"
|
|
#include "src/sksl/codegen/SkSLPipelineStageCodeGenerator.h"
|
|
#include "src/sksl/ir/SkSLVarDeclarations.h"
|
|
#include "src/sksl/ir/SkSLVariable.h"
|
|
|
|
#include "fuzz/Fuzz.h"
|
|
|
|
bool FuzzSKSL2Pipeline(sk_sp<SkData> bytes) {
|
|
sk_sp<GrShaderCaps> caps = SkSL::ShaderCapsFactory::Default();
|
|
SkSL::Compiler compiler(caps.get());
|
|
SkSL::Program::Settings settings;
|
|
std::unique_ptr<SkSL::Program> program = compiler.convertProgram(
|
|
SkSL::ProgramKind::kRuntimeEffect,
|
|
SkSL::String((const char*) bytes->data(),
|
|
bytes->size()),
|
|
settings);
|
|
if (!program) {
|
|
return false;
|
|
}
|
|
|
|
class Callbacks : public SkSL::PipelineStage::Callbacks {
|
|
using String = SkSL::String;
|
|
|
|
String declareUniform(const SkSL::VarDeclaration* decl) override {
|
|
return decl->var().name();
|
|
}
|
|
|
|
void defineFunction(const char* /*decl*/, const char* /*body*/, bool /*isMain*/) override {}
|
|
void defineStruct(const char* /*definition*/) override {}
|
|
void declareGlobal(const char* /*declaration*/) override {}
|
|
|
|
String sampleChild(int index, String coords) override {
|
|
return SkSL::String::printf("sample(%d%s%s)", index, coords.empty() ? "" : ", ",
|
|
coords.c_str());
|
|
}
|
|
|
|
String sampleChildWithMatrix(int index, String matrix) override {
|
|
return SkSL::String::printf("sample(%d%s%s)", index, matrix.empty() ? "" : ", ",
|
|
matrix.c_str());
|
|
}
|
|
};
|
|
|
|
Callbacks callbacks;
|
|
SkSL::PipelineStage::ConvertProgram(*program, "coords", "inColor", &callbacks);
|
|
return true;
|
|
}
|
|
|
|
#if defined(SK_BUILD_FOR_LIBFUZZER)
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
|
|
if (size > 3000) {
|
|
return 0;
|
|
}
|
|
auto bytes = SkData::MakeWithoutCopy(data, size);
|
|
FuzzSKSL2Pipeline(bytes);
|
|
return 0;
|
|
}
|
|
#endif
|