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Diffstat (limited to 'src/quick/scenegraph/coreapi/qsgmaterialrhishader.h')
| -rw-r--r-- | src/quick/scenegraph/coreapi/qsgmaterialrhishader.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/quick/scenegraph/coreapi/qsgmaterialrhishader.h b/src/quick/scenegraph/coreapi/qsgmaterialrhishader.h new file mode 100644 index 0000000000..01991135ec --- /dev/null +++ b/src/quick/scenegraph/coreapi/qsgmaterialrhishader.h @@ -0,0 +1,182 @@ +/**************************************************************************** +** +** 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() const; + QRhiResourceUpdateBatch *resourceUpdateBatch() const; + QRhi *rhi() const; + + 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(const RenderState &state, + QSGMaterial *newMaterial, QSGMaterial *oldMaterial); + + virtual void updateSampledImage(const RenderState &state, int binding, QSGTexture **texture, + QSGMaterial *newMaterial, QSGMaterial *oldMaterial); + + virtual bool updateGraphicsPipelineState(const 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 |