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Diffstat (limited to 'src/declarative/items/shadereffectnode.cpp')
| -rw-r--r-- | src/declarative/items/shadereffectnode.cpp | 349 |
1 files changed, 0 insertions, 349 deletions
diff --git a/src/declarative/items/shadereffectnode.cpp b/src/declarative/items/shadereffectnode.cpp deleted file mode 100644 index 7a40c7f790..0000000000 --- a/src/declarative/items/shadereffectnode.cpp +++ /dev/null @@ -1,349 +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. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, 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. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "shadereffectnode.h" - -#include "shadereffectitem.h" // XXX todo -#include "qsgtextureprovider.h" - -QT_BEGIN_NAMESPACE - -class CustomMaterialShader : public AbstractMaterialShader -{ -public: - CustomMaterialShader(const ShaderEffectMaterialKey &key, const QVector<const char *> &attributes); - virtual void updateState(Renderer *renderer, AbstractMaterial *newEffect, AbstractMaterial *oldEffect, Renderer::Updates updates); - virtual char const *const *attributeNames() const; - -protected: - friend class ShaderEffectNode; - - virtual void initialize(); - virtual const char *vertexShader() const; - virtual const char *fragmentShader() const; - - ShaderEffectMaterialKey m_key; - QVector<const char *> m_attributes; - - QVector<int> m_uniformLocs; - int m_opacityLoc; - int m_matrixLoc; - uint m_textureIndicesSet; -}; - -CustomMaterialShader::CustomMaterialShader(const ShaderEffectMaterialKey &key, const QVector<const char *> &attributes) - : m_key(key) - , m_attributes(attributes) - , m_textureIndicesSet(false) -{ -} - -void CustomMaterialShader::updateState(Renderer *r, AbstractMaterial *newEffect, AbstractMaterial *oldEffect, Renderer::Updates updates) -{ - Q_ASSERT(newEffect != 0); - Q_UNUSED(oldEffect); - Q_UNUSED(newEffect); - - const ShaderEffectMaterial *material = static_cast<const ShaderEffectMaterial *>(newEffect); - - if (!m_textureIndicesSet) { - for (int i = 0; i < material->m_textures.size(); ++i) - m_program.setUniformValue(material->m_textures.at(i).first.constData(), i); - m_textureIndicesSet = true; - } - - if (m_uniformLocs.size() != material->m_uniformValues.size()) { - m_uniformLocs.reserve(material->m_uniformValues.size()); - for (int i = 0; i < material->m_uniformValues.size(); ++i) { - const QByteArray &name = material->m_uniformValues.at(i).first; - m_uniformLocs.append(m_program.uniformLocation(name.constData())); - } - } - - for (int i = material->m_textures.size() - 1; i >= 0; --i) { - QPointer<QSGTextureProvider> source = material->m_textures.at(i).second; - if (!source || !source->texture().texture()) - continue; - - r->glActiveTexture(GL_TEXTURE0 + i); - source->bind(); - } - - if (material->m_source.respectsOpacity) - m_program.setUniformValue(m_opacityLoc, (float) r->renderOpacity()); - - for (int i = 0; i < material->m_uniformValues.count(); ++i) { - const QVariant &v = material->m_uniformValues.at(i).second; - - switch (v.type()) { - case QVariant::Color: - m_program.setUniformValue(m_uniformLocs.at(i), qvariant_cast<QColor>(v)); - break; - case QVariant::Double: - m_program.setUniformValue(m_uniformLocs.at(i), (float) qvariant_cast<double>(v)); - break; - case QVariant::Transform: - m_program.setUniformValue(m_uniformLocs.at(i), qvariant_cast<QTransform>(v)); - break; - case QVariant::Int: - m_program.setUniformValue(m_uniformLocs.at(i), v.toInt()); - break; - case QVariant::Bool: - m_program.setUniformValue(m_uniformLocs.at(i), GLint(v.toBool())); - break; - case QVariant::Size: - case QVariant::SizeF: - m_program.setUniformValue(m_uniformLocs.at(i), v.toSizeF()); - break; - case QVariant::Point: - case QVariant::PointF: - m_program.setUniformValue(m_uniformLocs.at(i), v.toPointF()); - break; - case QVariant::Rect: - case QVariant::RectF: - { - QRectF r = v.toRectF(); - m_program.setUniformValue(m_uniformLocs.at(i), r.x(), r.y(), r.width(), r.height()); - } - break; - case QVariant::Vector3D: - m_program.setUniformValue(m_uniformLocs.at(i), qvariant_cast<QVector3D>(v)); - break; - default: - break; - } - } - - if ((updates & Renderer::UpdateMatrices) && material->m_source.respectsMatrix) - m_program.setUniformValue(m_matrixLoc, r->combinedMatrix()); -} - -char const *const *CustomMaterialShader::attributeNames() const -{ - return m_attributes.constData(); -} - -void CustomMaterialShader::initialize() -{ - m_opacityLoc = m_program.uniformLocation("qt_Opacity"); - m_matrixLoc = m_program.uniformLocation("qt_ModelViewProjectionMatrix"); -} - -const char *CustomMaterialShader::vertexShader() const -{ - return m_key.vertexCode.constData(); -} - -const char *CustomMaterialShader::fragmentShader() const -{ - return m_key.fragmentCode.constData(); -} - - -bool ShaderEffectMaterialKey::operator == (const ShaderEffectMaterialKey &other) const -{ - return vertexCode == other.vertexCode && fragmentCode == other.fragmentCode && className == other.className; -} - -uint qHash(const ShaderEffectMaterialKey &key) -{ - return qHash(qMakePair(qMakePair(key.vertexCode, key.fragmentCode), key.className)); -} - - -QHash<ShaderEffectMaterialKey, QSharedPointer<AbstractMaterialType> > ShaderEffectMaterial::materialMap; - -ShaderEffectMaterial::ShaderEffectMaterial() -{ - setFlag(Blending, true); -} - -AbstractMaterialType *ShaderEffectMaterial::type() const -{ - return m_type.data(); -} - -AbstractMaterialShader *ShaderEffectMaterial::createShader() const -{ - return new CustomMaterialShader(m_source, m_source.attributeNames); -} - -int ShaderEffectMaterial::compare(const AbstractMaterial *other) const -{ - return this - static_cast<const ShaderEffectMaterial *>(other); -} - -void ShaderEffectMaterial::setProgramSource(const ShaderEffectProgram &source) -{ - m_source = source; - m_type = materialMap.value(m_source); - if (m_type.isNull()) { - m_type = QSharedPointer<AbstractMaterialType>(new AbstractMaterialType); - materialMap.insert(m_source, m_type); - } -} - -void ShaderEffectMaterial::setUniforms(const QVector<QPair<QByteArray, QVariant> > &uniformValues) -{ - m_uniformValues = uniformValues; -} - -void ShaderEffectMaterial::setTextures(const QVector<QPair<QByteArray, QPointer<QSGTextureProvider> > > &textures) -{ - m_textures = textures; -} - -const QVector<QPair<QByteArray, QPointer<QSGTextureProvider> > > &ShaderEffectMaterial::textures() const -{ - return m_textures; -} - -void ShaderEffectMaterial::updateTextures() const -{ - for (int i = 0; i < m_textures.size(); ++i) { - QSGTextureProvider *source = m_textures.at(i).second; - if (source) - source->updateTexture(); - } -} - - -ShaderEffectNode::ShaderEffectNode() - : m_meshResolution(1, 1) - , m_geometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4) -{ - Node::setFlag(UsePreprocess, true); - setGeometry(&m_geometry); -} - -ShaderEffectNode::~ShaderEffectNode() -{ -} - -void ShaderEffectNode::setRect(const QRectF &rect) -{ - m_rect = rect; - m_dirty_geometry = true; -} - -QRectF ShaderEffectNode::rect() const -{ - return m_rect; -} - -void ShaderEffectNode::setResolution(const QSize &res) -{ - m_dirty_geometry = true; - m_meshResolution = res; -} - -QSize ShaderEffectNode::resolution() const -{ - return m_meshResolution; -} - -void ShaderEffectNode::update() -{ - if (m_dirty_geometry) { - updateGeometry(); - m_dirty_geometry = false; - } -} - -void ShaderEffectNode::markDirtyTexture() -{ - markDirty(DirtyMaterial); -} - -void ShaderEffectNode::updateGeometry() -{ - int vmesh = m_meshResolution.height(); - int hmesh = m_meshResolution.width(); - - QSGGeometry *g = geometry(); - if (vmesh == 1 && hmesh == 1) { - if (g->vertexCount() != 4) - g->allocate(4); - QSGGeometry::updateTexturedRectGeometry(g, m_rect, QRectF(0, 0, 1, 1)); - return; - } - - g->allocate((vmesh + 1) * (hmesh + 1), vmesh * 2 * (hmesh + 2)); - - QSGGeometry::TexturedPoint2D *vdata = g->vertexDataAsTexturedPoint2D(); - - QRectF dstRect = m_rect; - QRectF srcRect(0, 0, 1, 1); - for (int iy = 0; iy <= vmesh; ++iy) { - float fy = iy / float(vmesh); - float y = float(dstRect.top()) + fy * float(dstRect.height()); - float ty = float(srcRect.top()) + fy * float(srcRect.height()); - for (int ix = 0; ix <= hmesh; ++ix) { - float fx = ix / float(hmesh); - vdata->x = float(dstRect.left()) + fx * float(dstRect.width()); - vdata->y = y; - vdata->tx = float(srcRect.left()) + fx * float(srcRect.width()); - vdata->ty = ty; - ++vdata; - } - } - - quint16 *indices = (quint16 *)g->indexDataAsUShort(); - int i = 0; - for (int iy = 0; iy < vmesh; ++iy) { - *(indices++) = i + hmesh + 1; - for (int ix = 0; ix <= hmesh; ++ix, ++i) { - *(indices++) = i + hmesh + 1; - *(indices++) = i; - } - *(indices++) = i - 1; - } - - markDirty(Node::DirtyGeometry); -} - -void ShaderEffectNode::preprocess() -{ - Q_ASSERT(material()); - static_cast<ShaderEffectMaterial *>(material())->updateTextures(); -} - -QT_END_NAMESPACE |