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// Copyright (c) 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gl/shader_tracking.h"
#include "base/check.h"
#include "ui/gl/gl_switches.h"
namespace gl {
// static
ShaderTracking* ShaderTracking::GetInstance() {
#if defined(OS_WIN)
// Shaders can only be reliably retrieved with ANGLE backend. Therefore,
// limit to Windows platform only.
static bool enabled =
base::FeatureList::IsEnabled(features::kTrackCurrentShaders);
if (enabled) {
static base::NoDestructor<ShaderTracking> instance;
return instance.get();
}
#endif // OS_WIN
return nullptr;
}
void ShaderTracking::GetShaders(std::string* shader0, std::string* shader1) {
DCHECK(shader0 && shader1);
base::AutoLock auto_lock(lock_);
*shader0 = shaders_[0];
*shader1 = shaders_[1];
}
void ShaderTracking::SetShaders(const char* shader0, const char* shader1) {
base::AutoLock auto_lock(lock_);
shaders_[0] = shader0 ? shader0 : "";
shaders_[1] = shader1 ? shader1 : "";
}
} // namespace gl
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