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//
// Copyright 2016 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.
//
// StreamProducerImpl.h: Defines the abstract rx::StreamProducerImpl class.
#ifndef LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_
#define LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_
#include "common/angleutils.h"
#include "libANGLE/Stream.h"
namespace rx
{
class StreamProducerImpl : angle::NonCopyable
{
public:
explicit StreamProducerImpl() {}
virtual ~StreamProducerImpl() {}
// Validates the ability for the producer to accept an arbitrary pointer to a frame. All
// pointers should be validated through this function before being used to produce a frame.
virtual egl::Error validateD3DTexture(const void *pointer,
const egl::AttributeMap &attributes) const = 0;
// Constructs a frame from an arbitrary external pointer that points to producer specific frame
// data. Replaces the internal frame with the new one.
virtual void postD3DTexture(void *pointer, const egl::AttributeMap &attributes) = 0;
// Returns an OpenGL texture interpretation of some frame attributes for the purpose of
// constructing an OpenGL texture from a frame. Depending on the producer and consumer, some
// frames may have multiple "planes" with different OpenGL texture representations.
virtual egl::Stream::GLTextureDescription getGLFrameDescription(int planeIndex) = 0;
};
} // namespace rx
#endif // LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_
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