// Copyright 2017 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
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// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
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#ifndef SRC_DAWN_NATIVE_OPENGL_SAMPLERGL_H_
#define SRC_DAWN_NATIVE_OPENGL_SAMPLERGL_H_

#include "dawn/native/Sampler.h"

#include "dawn/native/opengl/opengl_platform.h"

namespace dawn::native::opengl {

class Device;

class Sampler final : public SamplerBase {
  public:
    Sampler(Device* device, const SamplerDescriptor* descriptor);

    GLuint GetFilteringHandle() const;
    GLuint GetNonFilteringHandle() const;

  private:
    ~Sampler() override;
    void DestroyImpl() override;

    void SetupGLSampler(GLuint sampler, const SamplerDescriptor* descriptor, bool forceNearest);

    GLuint mFilteringHandle;

    // This is a sampler equivalent to mFilteringHandle except that it uses NEAREST filtering
    // for everything, which is important to preserve texture completeness for u/int textures.
    GLuint mNonFilteringHandle;
};

}  // namespace dawn::native::opengl

#endif  // SRC_DAWN_NATIVE_OPENGL_SAMPLERGL_H_