Revision control
++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
++
++ #pragma once
++
++ #include <QtQuick3DAssetUtils/private/qssgscenedesc_p.h>
++
++ #include <QtCore/qpointer.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class CustomMaterial
++ {
++ public:
++ struct Uniform
++ {
++ enum class Type
++ {
++ Bool,
++ Int,
++ Float,
++ Vec2,
++ Vec3,
++ Vec4,
++ Mat44,
++ Sampler,
++ Last
++ };
++ union {
++ bool b;
++ int i;
++ float f;
++ QVector2D vec2;
++ QVector3D vec3;
++ QVector4D vec4;
++ quintptr d;
++ };
++ Type type;
++ QByteArray name;
++ QMatrix4x4 m44;
++ QString imagePath;
++ };
++ using UniformTable = QList<Uniform>;
++ using TextureStore = QList<QImage *>;
++
++ struct Properties
++ {
++ QQuick3DCustomMaterial::CullMode cullMode { QQuick3DCustomMaterial::CullMode::BackFaceCulling };
++ QQuick3DCustomMaterial::DepthDrawMode depthDrawMode { QQuick3DCustomMaterial::DepthDrawMode::OpaqueOnlyDepthDraw };
++ QQuick3DCustomMaterial::ShadingMode shadingMode { QQuick3DCustomMaterial::ShadingMode::Shaded };
++ QQuick3DCustomMaterial::BlendMode sourceBlend { QQuick3DCustomMaterial::BlendMode::NoBlend };
++ QQuick3DCustomMaterial::BlendMode destinationBlend { QQuick3DCustomMaterial::BlendMode::NoBlend };
++ } properties;
++
++ struct Shaders
++ {
++ QUrl vert;
++ QUrl frag;
++ };
++
++ static void setUniform(QSSGSceneDesc::Material &material, const Uniform &uniform);
++ QPointer<QQuick3DCustomMaterial> create(QQuick3DNode &parent, const UniformTable &uniforms, const Properties &properties, const Shaders &shaders);
++ bool isValid() const;
++ friend QTextStream &operator<<(QTextStream &stream, const CustomMaterial &material)
++ {
++ using namespace QSSGSceneDesc;
++ const auto &scene = material.scene;
++ if (auto node = scene.root) {
++ Q_ASSERT(node->runtimeType == Material::RuntimeType::CustomMaterial);
++ writeQmlComponent(static_cast<const QSSGSceneDesc::Material &>(*node), stream);
++ }
++ return stream;
++ }
++
++ friend QDataStream &operator<<(QDataStream &stream, const CustomMaterial::Uniform &uniform) { return writeToDataStream(stream, uniform); }
++ friend QDataStream &operator>>(QDataStream &stream, CustomMaterial::Uniform &uniform) { return readFromDataStream(stream, uniform); }
++
++ private:
++ static QDataStream &readFromDataStream(QDataStream &stream, Uniform &uniform);
++ static QDataStream &writeToDataStream(QDataStream &stream, const Uniform &uniform);
++ static void writeQmlComponent(const QSSGSceneDesc::Material &material, QTextStream &stream);
++ QSSGSceneDesc::Scene scene;
++ };
++
++ QT_END_NAMESPACE