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/****************************************************************************
**
** Copyright (C) 2019 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 QSGMATERIALRHISHADER_P_H
#define QSGMATERIALRHISHADER_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 <private/qtquickglobal_p.h>
#include "qsgmaterialrhishader.h"
#include "qsgmaterial.h"
#include <QtGui/private/qrhi_p.h>
#include <QtGui/private/qshader_p.h>
QT_BEGIN_NAMESPACE
class QRhiSampler;
class Q_QUICK_PRIVATE_EXPORT QSGMaterialRhiShaderPrivate
{
public:
Q_DECLARE_PUBLIC(QSGMaterialRhiShader)
QSGMaterialRhiShaderPrivate(QSGMaterialRhiShader *q) : q_ptr(q) { }
static QSGMaterialRhiShaderPrivate *get(QSGMaterialRhiShader *s) { return s->d_func(); }
static const QSGMaterialRhiShaderPrivate *get(const QSGMaterialRhiShader *s) { return s->d_func(); }
void clearCachedRendererData();
void prepare(QShader::Variant vertexShaderVariant);
QShader shader(QShader::Stage stage) const { return shaders[stage].shader; }
static QShader loadShader(const QString &filename);
QSGMaterialRhiShader *q_ptr;
QHash<QShader::Stage, QString> shaderFileNames;
QSGMaterialRhiShader::Flags flags;
struct ShaderStageData {
ShaderStageData() { } // so shader.isValid() == false
ShaderStageData(const QShader &shader) : shader(shader) { }
QShader shader;
QShader::Variant shaderVariant = QShader::StandardShader;
QVector<int> vertexInputLocations; // excluding rewriter-inserted ones
int qt_order_attrib_location = -1; // rewriter-inserted
};
QHash<QShader::Stage, ShaderStageData> shaders;
static const int MAX_SHADER_RESOURCE_BINDINGS = 32;
int ubufBinding = -1;
int ubufSize = 0;
QRhiShaderResourceBinding::StageFlags ubufStages;
QRhiShaderResourceBinding::StageFlags combinedImageSamplerBindings[MAX_SHADER_RESOURCE_BINDINGS];
ShaderStageData *vertexShader = nullptr;
ShaderStageData *fragmentShader = nullptr;
QByteArray masterUniformData;
QSGTexture *textureBindingTable[MAX_SHADER_RESOURCE_BINDINGS];
QRhiSampler *samplerBindingTable[MAX_SHADER_RESOURCE_BINDINGS];
};
Q_DECLARE_TYPEINFO(QSGMaterialRhiShaderPrivate::ShaderStageData, Q_MOVABLE_TYPE);
QT_END_NAMESPACE
#endif // QSGMATERIALRHISHADER_P_H
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