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//
// Copyright 2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Sampler.h : Defines the Sampler class, which represents a GLES 3
// sampler object. Sampler objects store some state needed to sample textures.
#ifndef LIBANGLE_SAMPLER_H_
#define LIBANGLE_SAMPLER_H_
#include "libANGLE/Debug.h"
#include "libANGLE/Observer.h"
#include "libANGLE/RefCountObject.h"
#include "libANGLE/angletypes.h"
namespace rx
{
class GLImplFactory;
class SamplerImpl;
} // namespace rx
namespace gl
{
class Sampler final : public RefCountObject<SamplerID>, public LabeledObject, public angle::Subject
{
public:
Sampler(rx::GLImplFactory *factory, SamplerID id);
~Sampler() override;
void onDestroy(const Context *context) override;
angle::Result setLabel(const Context *context, const std::string &label) override;
const std::string &getLabel() const override;
void setMinFilter(const Context *context, GLenum minFilter);
GLenum getMinFilter() const;
void setMagFilter(const Context *context, GLenum magFilter);
GLenum getMagFilter() const;
void setWrapS(const Context *context, GLenum wrapS);
GLenum getWrapS() const;
void setWrapT(const Context *context, GLenum wrapT);
GLenum getWrapT() const;
void setWrapR(const Context *context, GLenum wrapR);
GLenum getWrapR() const;
void setMaxAnisotropy(const Context *context, float maxAnisotropy);
float getMaxAnisotropy() const;
void setMinLod(const Context *context, GLfloat minLod);
GLfloat getMinLod() const;
void setMaxLod(const Context *context, GLfloat maxLod);
GLfloat getMaxLod() const;
void setCompareMode(const Context *context, GLenum compareMode);
GLenum getCompareMode() const;
void setCompareFunc(const Context *context, GLenum compareFunc);
GLenum getCompareFunc() const;
void setSRGBDecode(const Context *context, GLenum sRGBDecode);
GLenum getSRGBDecode() const;
void setBorderColor(const Context *context, const ColorGeneric &color);
const ColorGeneric &getBorderColor() const;
const SamplerState &getSamplerState() const;
rx::SamplerImpl *getImplementation() const;
angle::Result syncState(const Context *context);
bool isDirty() const { return mDirty; }
private:
void signalDirtyState();
SamplerState mState;
bool mDirty;
rx::SamplerImpl *mSampler;
std::string mLabel;
};
} // namespace gl
#endif // LIBANGLE_SAMPLER_H_
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