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Diffstat (limited to 'src/declarative/scenegraph/util/qsgsimplematerial.h')
| -rw-r--r-- | src/declarative/scenegraph/util/qsgsimplematerial.h | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/src/declarative/scenegraph/util/qsgsimplematerial.h b/src/declarative/scenegraph/util/qsgsimplematerial.h deleted file mode 100644 index b9e453abec..0000000000 --- a/src/declarative/scenegraph/util/qsgsimplematerial.h +++ /dev/null @@ -1,222 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QSGSIMPLEMATERIAL_H -#define QSGSIMPLEMATERIAL_H - -#include <qsgmaterial.h> - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE - -QT_MODULE(Declarative) - -template <typename State> -class QSGSimpleMaterialShader : public QSGMaterialShader -{ -public: - void initialize() { - QSGMaterialShader::initialize(); - - m_id_matrix = program()->uniformLocation(uniformMatrixName()); - if (m_id_matrix < 0) { - qFatal("QSGSimpleMaterialShader does not implement 'uniform highp mat4 %s;' in its vertex shader", - uniformMatrixName()); - } - - const char *opacity = uniformOpacityName(); - if (opacity) { - m_id_opacity = program()->uniformLocation(uniformOpacityName()); - if (m_id_opacity < 0) { - qFatal("QSGSimpleMaterialShader does not implement 'uniform lowp float %s' in its fragment shader", - uniformOpacityName()); - } - } else { - m_id_opacity = -1; - } - - resolveUniforms(); - } - - const char *uniformMatrixName() const { return "qt_Matrix"; } - const char *uniformOpacityName() const { return "qt_Opacity"; } - - void updateState(const RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial); - - virtual void updateState(const State *newState, const State *oldState) = 0; - - virtual void resolveUniforms() {} - - virtual QList<QByteArray> attributes() const = 0; - - char const *const *attributeNames() const - { - if (m_attribute_pointers.size()) - return m_attribute_pointers.constData(); - - QList<QByteArray> names = attributes(); - - // Calculate the total number of bytes needed, so we don't get rellocs and - // bad pointers while copying over the individual names. - // Add an extra byte pr entry for the '\0' char. - int total = 0; - for (int i=0; i<names.size(); ++i) - total += names.at(i).size() + 1; - m_attribute_name_data.reserve(total); - - // Copy over the names - for (int i=0; i<names.size(); ++i) { - m_attribute_pointers << m_attribute_name_data.constData() + m_attribute_name_data.size(); - m_attribute_name_data.append(names.at(i)); - m_attribute_name_data.append('\0'); - } - - // Append the "null" terminator - m_attribute_pointers << 0; - - return m_attribute_pointers.constData(); - } - -private: - int m_id_matrix; - int m_id_opacity; - - mutable QByteArray m_attribute_name_data; - mutable QVector<const char *> m_attribute_pointers; -}; - -#define QSG_DECLARE_SIMPLE_SHADER(Shader, State) \ -static QSGMaterialShader *createShader() \ -{ \ - return new Shader; \ -} \ -public: \ -static QSGSimpleMaterial<State> *createMaterial() \ -{ \ - return new QSGSimpleMaterial<State>(createShader); \ -} - - -typedef QSGMaterialShader *(*PtrShaderCreateFunc)(); - - -template <typename State> -class QSGSimpleMaterial : public QSGMaterial -{ - -public: - QSGSimpleMaterial(const State &state, PtrShaderCreateFunc func) - : m_state(state) - , m_func(func) - { - } - - QSGSimpleMaterial(PtrShaderCreateFunc func) - : m_func(func) - { - } - - QSGMaterialShader *createShader() const { return m_func(); } - QSGMaterialType *type() const { return &m_type; } - - State *state() { return &m_state; } - const State *state() const { return &m_state; } - -private: - static QSGMaterialType m_type; - State m_state; - PtrShaderCreateFunc m_func; -}; - -#define QSG_DECLARE_SIMPLE_COMPARABLE_SHADER(Shader, State) \ -static QSGMaterialShader *createShader() \ -{ \ - return new Shader; \ -} \ -public: \ -static QSGSimpleMaterialComparableMaterial<State> *createMaterial() \ -{ \ - return new QSGSimpleMaterialComparableMaterial<State>(createShader); \ -} - -template <typename State> -class QSGSimpleMaterialComparableMaterial : public QSGSimpleMaterial<State> -{ - -public: - QSGSimpleMaterialComparableMaterial(const State &state, PtrShaderCreateFunc func) - : QSGSimpleMaterial<State>(state, func) {} - - QSGSimpleMaterialComparableMaterial(PtrShaderCreateFunc func) - : QSGSimpleMaterial<State>(func) {} - - int compare(const QSGMaterial *other) const { - return QSGSimpleMaterialComparableMaterial<State>::state()->compare(static_cast<const QSGSimpleMaterialComparableMaterial<State> *>(other)->state()); - } -}; - - -template <typename State> -QSGMaterialType QSGSimpleMaterial<State>::m_type; - - -template <typename State> -Q_INLINE_TEMPLATE void QSGSimpleMaterialShader<State>::updateState(const RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial) -{ - if (state.isMatrixDirty()) - program()->setUniformValue(m_id_matrix, state.combinedMatrix()); - if (state.isOpacityDirty() && m_id_opacity >= 0) - program()->setUniformValue(m_id_opacity, state.opacity()); - - State *ns = static_cast<QSGSimpleMaterial<State> *>(newMaterial)->state(); - State *old = 0; - if (oldMaterial) - old = static_cast<QSGSimpleMaterial<State> *>(oldMaterial)->state(); - updateState(ns, old); -} - -QT_END_NAMESPACE - -QT_END_HEADER - - -#endif |