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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_H
#define QSGMATERIALRHISHADER_H
#include <QtQuick/qtquickglobal.h>
#include <QtCore/QRect>
#include <QtGui/QMatrix4x4>
#include <QtGui/QColor>
#include <QtQuick/qsgmaterialshader.h>
QT_BEGIN_NAMESPACE
class QSGMaterial;
class QSGMaterialRhiShaderPrivate;
class QSGTexture;
class QRhiResourceUpdateBatch;
class QRhi;
class QShader;
class Q_QUICK_EXPORT QSGMaterialRhiShader : public QSGMaterialShader // ### Qt 6: remove inheritance
{
public:
class Q_QUICK_EXPORT RenderState {
public:
using DirtyStates = QSGMaterialShader::RenderState::DirtyStates;
inline DirtyStates dirtyStates() const { return m_dirty; }
inline bool isMatrixDirty() const { return m_dirty & QSGMaterialShader::RenderState::DirtyMatrix; }
inline bool isOpacityDirty() const { return m_dirty & QSGMaterialShader::RenderState::DirtyOpacity; }
float opacity() const;
QMatrix4x4 combinedMatrix() const;
QMatrix4x4 modelViewMatrix() const;
QMatrix4x4 projectionMatrix() const;
QRect viewportRect() const;
QRect deviceRect() const;
float determinant() const;
float devicePixelRatio() const;
QByteArray *uniformData();
QRhiResourceUpdateBatch *resourceUpdateBatch();
QRhi *rhi();
private:
friend class QSGRenderer;
DirtyStates m_dirty;
const void *m_data;
};
struct Q_QUICK_EXPORT GraphicsPipelineState {
enum BlendFactor {
Zero,
One,
SrcColor,
OneMinusSrcColor,
DstColor,
OneMinusDstColor,
SrcAlpha,
OneMinusSrcAlpha,
DstAlpha,
OneMinusDstAlpha,
ConstantColor,
OneMinusConstantColor,
ConstantAlpha,
OneMinusConstantAlpha,
SrcAlphaSaturate,
Src1Color,
OneMinusSrc1Color,
Src1Alpha,
OneMinusSrc1Alpha
};
enum ColorMaskComponent {
R = 1 << 0,
G = 1 << 1,
B = 1 << 2,
A = 1 << 3
};
Q_DECLARE_FLAGS(ColorMask, ColorMaskComponent)
enum CullMode {
CullNone,
CullFront,
CullBack
};
bool blendEnable;
BlendFactor srcColor;
BlendFactor dstColor;
ColorMask colorWrite;
QColor blendConstant;
CullMode cullMode;
// This struct is extensible while keeping BC since apps only ever get
// a ptr to the struct, it is not created by them.
};
enum Flag {
UpdatesGraphicsPipelineState = 0x0001
};
Q_DECLARE_FLAGS(Flags, Flag)
enum Stage {
VertexStage,
FragmentStage,
};
QSGMaterialRhiShader();
virtual ~QSGMaterialRhiShader();
virtual bool updateUniformData(RenderState &state,
QSGMaterial *newMaterial, QSGMaterial *oldMaterial);
virtual void updateSampledImage(RenderState &state, int binding, QSGTexture **texture,
QSGMaterial *newMaterial, QSGMaterial *oldMaterial);
virtual bool updateGraphicsPipelineState(RenderState &state, GraphicsPipelineState *ps,
QSGMaterial *newMaterial, QSGMaterial *oldMaterial);
Flags flags() const;
void setFlag(Flags flags, bool on = true);
// dummy impl for base class pure virtual, never called
char const *const *attributeNames() const override;
protected:
Q_DECLARE_PRIVATE(QSGMaterialRhiShader)
QSGMaterialRhiShader(QSGMaterialRhiShaderPrivate &dd);
// filename is for a file containing a serialized QShader.
void setShaderFileName(Stage stage, const QString &filename);
void setShader(Stage stage, const QShader &shader);
private:
QScopedPointer<QSGMaterialRhiShaderPrivate> d_ptr;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterialRhiShader::GraphicsPipelineState::ColorMask)
Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterialRhiShader::Flags)
QT_END_NAMESPACE
#endif
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