Remove layer and dist.field glyph cache OpenGL versions

Task-number: QTBUG-79268
Change-Id: I16123a8a49d17e3ffdd5cbcfbebcd8bfa46e648c
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>

1 files changed, 0 insertions, 164 deletions

diff --git a/src/quick/scenegraph/qsgopengldistancefieldglyphcache_p.h b/src/quick/scenegraph/qsgopengldistancefieldglyphcache_p.h
deleted file mode 100644
index b095fc94a0..0000000000
--- a/src/quick/scenegraph/qsgopengldistancefieldglyphcache_p.h
+++ /dev/null
@@ -1,164 +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 QSGOPENGLDISTANCEFIELDGLYPHCACHE_H
-#define QSGOPENGLDISTANCEFIELDGLYPHCACHE_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 "qsgadaptationlayer_p.h"
-#include <qopenglfunctions.h>
-#include <qopenglshaderprogram.h>
-#include <qopenglbuffer.h>
-#include <qopenglvertexarrayobject.h>
-#include <private/qopenglengineshadersource_p.h>
-#include <private/qsgareaallocator_p.h>
-
-QT_BEGIN_NAMESPACE
-
-class QOpenGLSharedResourceGuard;
-#if !QT_CONFIG(opengles2)
-class QOpenGLFunctions_3_2_Core;
-#endif
-
-class Q_QUICK_PRIVATE_EXPORT QSGOpenGLDistanceFieldGlyphCache : public QSGDistanceFieldGlyphCache
-{
-public:
-    QSGOpenGLDistanceFieldGlyphCache(QOpenGLContext *c, const QRawFont &font);
-    virtual ~QSGOpenGLDistanceFieldGlyphCache();
-
-    void requestGlyphs(const QSet<glyph_t> &glyphs) override;
-    void storeGlyphs(const QList<QDistanceField> &glyphs) override;
-    void referenceGlyphs(const QSet<glyph_t> &glyphs) override;
-    void releaseGlyphs(const QSet<glyph_t> &glyphs) override;
-
-    bool useTextureResizeWorkaround() const;
-    bool useTextureUploadWorkaround() const;
-    bool createFullSizeTextures() const;
-
-    void setMaxTextureCount(int max) { m_maxTextureCount = max; }
-    int maxTextureCount() const { return m_maxTextureCount; }
-
-    bool eightBitFormatIsAlphaSwizzled() const override { return !m_coreProfile; }
-
-private:
-    bool loadPregeneratedCache(const QRawFont &font);
-    inline bool isCoreProfile() const { return m_coreProfile; }
-
-    struct TextureInfo {
-        GLuint texture;
-        QSize size;
-        QRect allocatedArea;
-        QDistanceField image;
-        int padding = -1;
-
-        TextureInfo(const QRect &preallocRect = QRect(0, 0, 1, 1)) : texture(0), allocatedArea(preallocRect) { }
-    };
-
-    void createTexture(TextureInfo * texInfo, int width, int height, const void *pixels);
-    void createTexture(TextureInfo * texInfo, int width, int height);
-    void resizeTexture(TextureInfo * texInfo, int width, int height);
-
-    TextureInfo *textureInfo(int index)
-    {
-        Q_ASSERT(m_maxTextureWidth > 0 && m_maxTextureHeight > 0);
-        for (int i = m_textures.count(); i <= index; ++i) {
-            if (createFullSizeTextures())
-                m_textures.append(QRect(0, 0, m_maxTextureWidth, m_maxTextureWidth));
-            else
-                m_textures.append(TextureInfo());
-        }
-
-        return &m_textures[index];
-    }
-
-    void createBlitProgram()
-    {
-        m_blitProgram = new QOpenGLShaderProgram;
-        {
-            const QString source = QLatin1String(qopenglslMainWithTexCoordsVertexShader)
-                                 + QLatin1String(qopenglslUntransformedPositionVertexShader);
-
-            m_blitProgram->addCacheableShaderFromSourceCode(QOpenGLShader::Vertex, source);
-        }
-        {
-            const QString source = QLatin1String(qopenglslMainFragmentShader)
-                                 + QLatin1String(qopenglslImageSrcFragmentShader);
-
-            m_blitProgram->addCacheableShaderFromSourceCode(QOpenGLShader::Fragment, source);
-        }
-        m_blitProgram->bindAttributeLocation("vertexCoordsArray", QT_VERTEX_COORDS_ATTR);
-        m_blitProgram->bindAttributeLocation("textureCoordArray", QT_TEXTURE_COORDS_ATTR);
-        m_blitProgram->link();
-    }
-
-    int m_maxTextureWidth;
-    int m_maxTextureHeight;
-    int m_maxTextureCount;
-    bool m_coreProfile;
-
-    QList<TextureInfo> m_textures;
-    QHash<glyph_t, TextureInfo *> m_glyphsTexture;
-    QSet<glyph_t> m_unusedGlyphs;
-
-    QSGAreaAllocator *m_areaAllocator;
-
-    QOpenGLShaderProgram *m_blitProgram;
-    QOpenGLBuffer m_blitBuffer;
-    QOpenGLVertexArrayObject m_vao;
-
-    QOpenGLSharedResourceGuard *m_fboGuard;
-    QOpenGLFunctions *m_funcs;
-#if !QT_CONFIG(opengles2)
-    QOpenGLFunctions_3_2_Core *m_coreFuncs;
-#endif
-};
-
-QT_END_NAMESPACE
-
-#endif // QSGOPENGLDISTANCEFIELDGLYPHCACHE_H