93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
//
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// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// Image.h: Defines the egl::Image class representing the EGLimage object.
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#ifndef LIBANGLE_IMAGE_H_
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#define LIBANGLE_IMAGE_H_
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#include "common/angleutils.h"
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#include "libANGLE/AttributeMap.h"
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#include "libANGLE/Error.h"
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#include "libANGLE/RefCountObject.h"
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#include "libANGLE/formatutils.h"
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#include <set>
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namespace rx
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{
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class ImageImpl;
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}
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namespace egl
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{
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class Image;
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class ImageSibling : public RefCountObject
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{
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public:
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ImageSibling(GLuint id);
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virtual ~ImageSibling();
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protected:
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// Set the image target of this sibling
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void setTargetImage(egl::Image *imageTarget);
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// Orphan all EGL image sources and targets
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gl::Error orphanImages();
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private:
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friend class Image;
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// Called from Image only to add a new source image
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void addImageSource(egl::Image *imageSource);
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// Called from Image only to remove a source image when the Image is being deleted
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void removeImageSource(egl::Image *imageSource);
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std::set<Image *> mSourcesOf;
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BindingPointer<Image> mTargetOf;
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};
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class Image final : public RefCountObject
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{
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public:
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Image(rx::ImageImpl *impl, EGLenum target, ImageSibling *buffer, const AttributeMap &attribs);
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~Image();
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const gl::Format &getFormat() const;
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size_t getWidth() const;
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size_t getHeight() const;
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size_t getSamples() const;
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rx::ImageImpl *getImplementation();
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const rx::ImageImpl *getImplementation() const;
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private:
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friend class ImageSibling;
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// Called from ImageSibling only notify the image that a new target sibling exists for state
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// tracking.
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void addTargetSibling(ImageSibling *sibling);
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// Called from ImageSibling only to notify the image that a sibling (source or target) has
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// been respecified and state tracking should be updated.
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gl::Error orphanSibling(ImageSibling *sibling);
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rx::ImageImpl *mImplementation;
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gl::Format mFormat;
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size_t mWidth;
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size_t mHeight;
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size_t mSamples;
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BindingPointer<ImageSibling> mSource;
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std::set<ImageSibling *> mTargets;
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};
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}
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#endif // LIBANGLE_IMAGE_H_
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