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Diffstat (limited to 'src/declarative/scenegraph/util/qsgtexturematerial.cpp')
| -rw-r--r-- | src/declarative/scenegraph/util/qsgtexturematerial.cpp | 410 |
1 files changed, 0 insertions, 410 deletions
diff --git a/src/declarative/scenegraph/util/qsgtexturematerial.cpp b/src/declarative/scenegraph/util/qsgtexturematerial.cpp deleted file mode 100644 index 0bee81993c..0000000000 --- a/src/declarative/scenegraph/util/qsgtexturematerial.cpp +++ /dev/null @@ -1,410 +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. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qsgtexturematerial_p.h" - -#include <QtGui/qopenglshaderprogram.h> -#include <QtGui/qopenglfunctions.h> - -QT_BEGIN_NAMESPACE - -inline static bool isPowerOfTwo(int x) -{ - // Assumption: x >= 1 - return x == (x & -x); -} - -const char qt_scenegraph_texture_material_vertex_code[] = - "uniform highp mat4 qt_Matrix; \n" - "attribute highp vec4 qt_VertexPosition; \n" - "attribute highp vec2 qt_VertexTexCoord; \n" - "varying highp vec2 qt_TexCoord; \n" - "void main() { \n" - " qt_TexCoord = qt_VertexTexCoord; \n" - " gl_Position = qt_Matrix * qt_VertexPosition; \n" - "}"; - -const char qt_scenegraph_texture_material_fragment[] = - "varying highp vec2 qt_TexCoord; \n" - "uniform sampler2D qt_Texture; \n" - "void main() { \n" - " gl_FragColor = texture2D(qt_Texture, qt_TexCoord);\n" - "}"; - - -const char *QSGOpaqueTextureMaterialShader::vertexShader() const -{ - return qt_scenegraph_texture_material_vertex_code; -} - -const char *QSGOpaqueTextureMaterialShader::fragmentShader() const -{ - return qt_scenegraph_texture_material_fragment; -} - -QSGMaterialType QSGOpaqueTextureMaterialShader::type; - -char const *const *QSGOpaqueTextureMaterialShader::attributeNames() const -{ - static char const *const attr[] = { "qt_VertexPosition", "qt_VertexTexCoord", 0 }; - return attr; -} - -void QSGOpaqueTextureMaterialShader::initialize() -{ - m_matrix_id = program()->uniformLocation("qt_Matrix"); -} - -void QSGOpaqueTextureMaterialShader::updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect) -{ - Q_ASSERT(oldEffect == 0 || newEffect->type() == oldEffect->type()); - QSGOpaqueTextureMaterial *tx = static_cast<QSGOpaqueTextureMaterial *>(newEffect); - QSGOpaqueTextureMaterial *oldTx = static_cast<QSGOpaqueTextureMaterial *>(oldEffect); - - QSGTexture *t = tx->texture(); - - t->setFiltering(tx->filtering()); -#ifdef QT_OPENGL_ES_2 - bool npotSupported = QOpenGLFunctions(const_cast<QOpenGLContext *>(state.context())).hasOpenGLFeature(QOpenGLFunctions::NPOTTextures); - QSize size = t->textureSize(); - bool isNpot = !isPowerOfTwo(size.width()) || !isPowerOfTwo(size.height()); - if (!npotSupported && isNpot) { - t->setHorizontalWrapMode(QSGTexture::ClampToEdge); - t->setVerticalWrapMode(QSGTexture::ClampToEdge); - } else -#endif - { - t->setHorizontalWrapMode(tx->horizontalWrapMode()); - t->setVerticalWrapMode(tx->verticalWrapMode()); - } - t->setMipmapFiltering(tx->mipmapFiltering()); - - if (oldTx == 0 || oldTx->texture()->textureId() != t->textureId()) - t->bind(); - else - t->updateBindOptions(); - - if (state.isMatrixDirty()) - program()->setUniformValue(m_matrix_id, state.combinedMatrix()); -} - - -/*! - \class QSGOpaqueTextureMaterial - \brief The QSGOpaqueTextureMaterial class provides a convenient way of - rendering textured geometry in the scene graph. - - The opaque textured material will fill every pixel in a geometry with - the supplied texture. The material does not respect the opacity of the - QSGMaterialShader::RenderState, so opacity nodes in the parent chain - of nodes using this material, have no effect. - - The geometry to be rendered with an opaque texture material requires - vertices in attribute location 0 and texture coordinates in attribute - location 1. The texture coordinate is a 2-dimensional floating-point - tuple. The QSGGeometry::defaultAttributes_TexturedPoint2D returns an - attribute set compatible with this material. - - The texture to be rendered is can be set using setTexture(). How the - texure should be rendered can be specified using setMipmapFiltering(), - setFiltering(), setHorizontalWrapMode() and setVerticalWrapMode(). - The rendering state is set on the texture instance just before it - is bound. - - The opaque textured material respects the current matrix and the alpha - channel of the texture. It will disregard the accumulated opacity in - the scenegraph. - - A texture material must have a texture set before it is used as - a material in the scene graph. - */ - - - -/*! - Creates a new QSGOpaqueTextureMaterial. - - The default mipmap filtering and filtering mode is set to - QSGTexture::Nearest. The default wrap modes is set to - QSGTexture::ClampToEdge. - - */ -QSGOpaqueTextureMaterial::QSGOpaqueTextureMaterial() - : m_texture(0) - , m_filtering(QSGTexture::Nearest) - , m_mipmap_filtering(QSGTexture::Nearest) - , m_horizontal_wrap(QSGTexture::ClampToEdge) - , m_vertical_wrap(QSGTexture::ClampToEdge) -{ -} - - -/*! - \internal - */ -QSGMaterialType *QSGOpaqueTextureMaterial::type() const -{ - return &QSGOpaqueTextureMaterialShader::type; -} - -/*! - \internal - */ -QSGMaterialShader *QSGOpaqueTextureMaterial::createShader() const -{ - return new QSGOpaqueTextureMaterialShader; -} - - - -/*! - \fn QSGTexture *QSGOpaqueTextureMaterial::texture() const - - Returns this texture material's texture. - */ - - - -/*! - Sets the texture of this material to \a texture. - - The material does not take ownership over the texture. - */ - -void QSGOpaqueTextureMaterial::setTexture(QSGTexture *texture) -{ - m_texture = texture; - setFlag(Blending, m_texture ? m_texture->hasAlphaChannel() : false); -} - - - -/*! - \fn void QSGOpaqueTextureMaterial::setMipmapFiltering(QSGTexture::Filtering filtering) - - Sets the mipmap mode to \a filtering. - - The mipmap filtering mode is set on the texture instance just before the - texture is bound for rendering. - - If the texture does not have mipmapping support, enabling mipmapping has no - effect. - */ - - - -/*! - \fn QSGTexture::Filtering QSGOpaqueTextureMaterial::mipmapFiltering() const - - Returns this material's mipmap filtering mode. - - The default mipmap mode is QSGTexture::Nearest. - */ - - - -/*! - \fn void QSGOpaqueTextureMaterial::setFiltering(QSGTexture::Filtering filtering) - - Sets the filtering to \a filtering. - - The filtering mode is set on the texture instance just before the texture - is bound for rendering. - */ - - - -/*! - \fn QSGTexture::Filtering filtering() const - - Returns this material's filtering mode. - - The default filtering is QSGTexture::Nearest. - */ - - - -/*! - \fn void setHorizontalWrapMode(QSGTexture::WrapMode mode) - - Sets the horizontal wrap mode to \a mode. - - The horizontal wrap mode is set on the texture instance just before the texture - is bound for rendering. - */ - - - - /*! - \fn QSGTexture::WrapMode horizontalWrapMode() const - - Returns this material's horizontal wrap mode. - - The default horizontal wrap mode is QSGTexutre::ClampToEdge - */ - - - -/*! - \fn void setVerticalWrapMode(QSGTexture::WrapMode mode) - - Sets the vertical wrap mode to \a mode. - - The vertical wrap mode is set on the texture instance just before the texture - is bound for rendering. - */ - - - - /*! - \fn QSGTexture::WrapMode verticalWrapMode() const - - Returns this material's vertical wrap mode. - - The default vertical wrap mode is QSGTexutre::ClampToEdge - */ - - - -/*! - \internal - */ - -int QSGOpaqueTextureMaterial::compare(const QSGMaterial *o) const -{ - Q_ASSERT(o && type() == o->type()); - const QSGOpaqueTextureMaterial *other = static_cast<const QSGOpaqueTextureMaterial *>(o); - if (int diff = m_texture->textureId() - other->texture()->textureId()) - return diff; - return int(m_filtering) - int(other->m_filtering); -} - - - -/*! - \class QSGTextureMaterial - \brief The QSGTextureMaterial class provides a convenient way of - rendering textured geometry in the scene graph. - - The textured material will fill every pixel in a geometry with - the supplied texture. - - The geometry to be rendered with a texture material requires - vertices in attribute location 0 and texture coordinates in attribute - location 1. The texture coordinate is a 2-dimensional floating-point - tuple. The QSGGeometry::defaultAttributes_TexturedPoint2D returns an - attribute set compatible with this material. - - The texture to be rendered is set using setTexture(). How the - texure should be rendered can be specified using setMipmapFiltering(), - setFiltering(), setHorizontalWrapMode() and setVerticalWrapMode(). - The rendering state is set on the texture instance just before it - is bound. - - The textured material respects the current matrix and the alpha - channel of the texture. It will also respect the accumulated opacity - in the scenegraph. - - A texture material must have a texture set before it is used as - a material in the scene graph. - */ - -static const char qt_scenegraph_texture_material_opacity_fragment[] = - "varying highp vec2 qt_TexCoord; \n" - "uniform sampler2D qt_Texture; \n" - "uniform lowp float opacity; \n" - "void main() { \n" - " gl_FragColor = texture2D(qt_Texture, qt_TexCoord) * opacity; \n" - "}"; - -class QSGTextureMaterialShader : public QSGOpaqueTextureMaterialShader -{ -public: - virtual void updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect); - virtual void initialize(); - - static QSGMaterialType type; - -protected: - virtual const char *fragmentShader() const { return qt_scenegraph_texture_material_opacity_fragment; } - - int m_opacity_id; -}; -QSGMaterialType QSGTextureMaterialShader::type; - - - -/*! - \internal - */ - -QSGMaterialType *QSGTextureMaterial::type() const -{ - return &QSGTextureMaterialShader::type; -} - - - -/*! - \internal - */ - -QSGMaterialShader *QSGTextureMaterial::createShader() const -{ - return new QSGTextureMaterialShader; -} - -void QSGTextureMaterialShader::updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect) -{ - Q_ASSERT(oldEffect == 0 || newEffect->type() == oldEffect->type()); - if (state.isOpacityDirty()) - program()->setUniformValue(m_opacity_id, state.opacity()); - - QSGOpaqueTextureMaterialShader::updateState(state, newEffect, oldEffect); -} - -void QSGTextureMaterialShader::initialize() -{ - QSGOpaqueTextureMaterialShader::initialize(); - m_opacity_id = program()->uniformLocation("opacity"); -} - -QT_END_NAMESPACE |