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Diffstat (limited to 'src/quick/scenegraph/util/qsgatlastexture_p.h')
| -rw-r--r-- | src/quick/scenegraph/util/qsgatlastexture_p.h | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/quick/scenegraph/util/qsgatlastexture_p.h b/src/quick/scenegraph/util/qsgatlastexture_p.h deleted file mode 100644 index 14dc8f7958..0000000000 --- a/src/quick/scenegraph/util/qsgatlastexture_p.h +++ /dev/null @@ -1,206 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQuick module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QSGATLASTEXTURE_P_H -#define QSGATLASTEXTURE_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include <QtCore/QSize> - -#include <QtGui/qopengl.h> - -#include <QtQuick/QSGTexture> -#include <QtQuick/private/qsgtexture_p.h> -#include <QtQuick/private/qsgareaallocator_p.h> - -QT_BEGIN_NAMESPACE - -namespace QSGCompressedAtlasTexture { - class Atlas; -} -class QSGCompressedTextureFactory; - -namespace QSGAtlasTexture -{ - -class Texture; -class TextureBase; -class Atlas; - -class Manager : public QObject -{ - Q_OBJECT - -public: - Manager(); - ~Manager(); - - QSGTexture *create(const QImage &image, bool hasAlphaChannel); - QSGTexture *create(const QSGCompressedTextureFactory *factory); - void invalidate(); - -private: - Atlas *m_atlas; - // set of atlases for different compressed formats - QHash<unsigned int, QSGCompressedAtlasTexture::Atlas*> m_atlases; - - QSize m_atlas_size; - int m_atlas_size_limit; -}; - -class AtlasBase : public QObject -{ - Q_OBJECT -public: - AtlasBase(const QSize &size); - ~AtlasBase(); - - void invalidate(); - - int textureId() const; - void bind(QSGTexture::Filtering filtering); - - void remove(TextureBase *t); - - QSize size() const { return m_size; } - -protected: - virtual void generateTexture() = 0; - virtual void uploadPendingTexture(int i) = 0; - -protected: - QSGAreaAllocator m_allocator; - unsigned int m_texture_id; - QSize m_size; - QList<TextureBase *> m_pending_uploads; - -private: - bool m_allocated; -}; - -class Atlas : public AtlasBase -{ -public: - Atlas(const QSize &size); - ~Atlas(); - - void generateTexture() override; - void uploadPendingTexture(int i) override; - - void upload(Texture *texture); - void uploadBgra(Texture *texture); - - Texture *create(const QImage &image); - - uint internalFormat() const { return m_internalFormat; } - uint externalFormat() const { return m_externalFormat; } - -private: - uint m_internalFormat; - uint m_externalFormat; - - int m_atlas_transient_image_threshold; - - uint m_use_bgra_fallback: 1; - uint m_debug_overlay : 1; -}; - -class TextureBase : public QSGTexture -{ - Q_OBJECT -public: - TextureBase(AtlasBase *atlas, const QRect &textureRect); - ~TextureBase(); - - int textureId() const override { return m_atlas->textureId(); } - bool isAtlasTexture() const override { return true; } - - QRect atlasSubRect() const { return m_allocated_rect; } - - void bind() override; - -protected: - QRect m_allocated_rect; - AtlasBase *m_atlas; -}; - -class Texture : public TextureBase -{ - Q_OBJECT -public: - Texture(Atlas *atlas, const QRect &textureRect, const QImage &image); - ~Texture(); - - QSize textureSize() const override { return atlasSubRectWithoutPadding().size(); } - void setHasAlphaChannel(bool alpha) { m_has_alpha = alpha; } - bool hasAlphaChannel() const override { return m_has_alpha; } - bool hasMipmaps() const override { return false; } - - QRectF normalizedTextureSubRect() const override { return m_texture_coords_rect; } - - QRect atlasSubRect() const { return m_allocated_rect; } - QRect atlasSubRectWithoutPadding() const { return m_allocated_rect.adjusted(1, 1, -1, -1); } - - QSGTexture *removedFromAtlas() const override; - - void releaseImage() { m_image = QImage(); } - const QImage &image() const { return m_image; } - -private: - QRectF m_texture_coords_rect; - QImage m_image; - mutable QSGPlainTexture *m_nonatlas_texture; - bool m_has_alpha; -}; - -} - -QT_END_NAMESPACE - -#endif |