diff options
author | Wieland Hagen <wieland.hagen@kdab.com> | 2015-12-17 19:23:35 +0100 |
---|---|---|
committer | Sean Harmer <sean.harmer@kdab.com> | 2015-12-27 13:38:23 +0000 |
commit | a01d00c0fa54786328349083b46a6ade792e38a5 (patch) | |
tree | c39b60968bfacae73e78efd15dfcbdc15128a2cd /src | |
parent | 7e352512cfd4ab76497de9d66b787a33bdaa8979 (diff) |
Added QPointSize RenderState
Point Sizes may be specified 2 ways: either statically via
glPointSize() (OpenGL 2.0+) or by enabling GL_PROGRAM_POINT_SIZE.
Task-number: QTBUG-49997
Change-Id: I98887484cf31df01b98801e1f324487ee7bf7492
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/quick3d/imports/render/qt3dquick3drenderplugin.cpp | 2 | ||||
-rw-r--r-- | src/render/renderstates/genericstate_p.h | 3 | ||||
-rw-r--r-- | src/render/renderstates/qpointsize.cpp | 124 | ||||
-rw-r--r-- | src/render/renderstates/qpointsize.h | 87 | ||||
-rw-r--r-- | src/render/renderstates/qrenderstate.h | 1 | ||||
-rw-r--r-- | src/render/renderstates/renderstates.cpp | 15 | ||||
-rw-r--r-- | src/render/renderstates/renderstates.pri | 6 | ||||
-rw-r--r-- | src/render/renderstates/renderstates_p.h | 13 | ||||
-rw-r--r-- | src/render/renderstates/renderstateset.cpp | 9 |
9 files changed, 257 insertions, 3 deletions
diff --git a/src/quick3d/imports/render/qt3dquick3drenderplugin.cpp b/src/quick3d/imports/render/qt3dquick3drenderplugin.cpp index c9944d38b..4382a1bf6 100644 --- a/src/quick3d/imports/render/qt3dquick3drenderplugin.cpp +++ b/src/quick3d/imports/render/qt3dquick3drenderplugin.cpp @@ -81,6 +81,7 @@ #include <Qt3DRender/qclearbuffer.h> #include <Qt3DRender/qsortcriterion.h> #include <Qt3DRender/qalphacoverage.h> +#include <Qt3DRender/qpointsize.h> #include <Qt3DRender/qpolygonoffset.h> #include <Qt3DRender/qcolormask.h> #include <Qt3DRender/qshaderdata.h> @@ -282,6 +283,7 @@ void Qt3DQuick3DRenderPlugin::registerTypes(const char *uri) qmlRegisterType<Qt3DRender::QScissorTest>(uri, 2, 0, "ScissorTest"); qmlRegisterType<Qt3DRender::QDithering>(uri, 2, 0, "Dithering"); qmlRegisterType<Qt3DRender::QAlphaCoverage>(uri, 2, 0, "AlphaCoverage"); + qmlRegisterType<Qt3DRender::QPointSize>(uri, 2, 0, "PointSize"); qmlRegisterType<Qt3DRender::QPolygonOffset>(uri, 2, 0, "PolygonOffset"); qmlRegisterType<Qt3DRender::QColorMask>(uri, 2, 0, "ColorMask"); qmlRegisterType<Qt3DRender::QClipPlane>(uri, 2, 0, "ClipPlane"); diff --git a/src/render/renderstates/genericstate_p.h b/src/render/renderstates/genericstate_p.h index 2f494b561..0b5c20433 100644 --- a/src/render/renderstates/genericstate_p.h +++ b/src/render/renderstates/genericstate_p.h @@ -77,7 +77,8 @@ enum StateMask PolygonOffsetStateMask = 1 << 11, ColorStateMask = 1 << 12, ClipPlaneMask = 1 << 13, - StencilOpMask = 1 << 14 + StencilOpMask = 1 << 14, + PointSizeMask = 1 << 15 }; typedef quint64 StateMaskSet; diff --git a/src/render/renderstates/qpointsize.cpp b/src/render/renderstates/qpointsize.cpp new file mode 100644 index 000000000..69bb8c8e6 --- /dev/null +++ b/src/render/renderstates/qpointsize.cpp @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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.LGPLv3 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.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 later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include "qpointsize.h" +#include "qrenderstate_p.h" + +QT_BEGIN_NAMESPACE + +namespace Qt3DRender { + +class QPointSizePrivate : public QRenderStatePrivate +{ +public: + QPointSizePrivate(QPointSize::Specification spec, float value) + : QRenderStatePrivate(QRenderState::PointSize) + , m_specification(spec) + , m_value(value) + {} + + QPointSize::Specification m_specification; + float m_value; + + Q_DECLARE_PUBLIC(QPointSize) +}; + +/*! + \class Qt3DRender::QPointSize + \inmodule Qt3DRender + \brief Specifies the size of rasterized points. May either be set statically + or by shader programs. + + When using StaticValue, the value is set using glPointSize(), if available. + When using Programmable, gl_PointSize must be set within shader programs, + the value provided to this RenderState is ignored in that case. + */ + +QPointSize::QPointSize(Qt3DCore::QNode *parent) + : QRenderState(*new QPointSizePrivate(Specification::Programmable, 0.f), parent) +{ +} + +QPointSize::~QPointSize() +{ + QNode::cleanup(); +} + +QPointSize::Specification QPointSize::specification() const +{ + Q_D(const QPointSize); + return d->m_specification; +} + +float QPointSize::value() const +{ + Q_D(const QPointSize); + return d->m_value; +} + +bool QPointSize::isProgrammable() const +{ + return (specification() == QPointSize::Specification::Programmable); +} + +void QPointSize::setSpecification(Specification spec) +{ + Q_D(QPointSize); + d->m_specification = spec; + emit specificationChanged(spec); +} + +void QPointSize::setValue(float size) +{ + Q_D(QPointSize); + d->m_value = size; + emit valueChanged(size); +} + +void QPointSize::copy(const Qt3DCore::QNode *ref) +{ + const QPointSize *refState = static_cast<const QPointSize *>(ref); + + QRenderState::copy(ref); + + Q_D(QPointSize); + d->m_value = refState->d_func()->m_value; + d->m_specification = refState->d_func()->m_specification; +} + +} // namespace Qt3DRender + +QT_END_NAMESPACE + diff --git a/src/render/renderstates/qpointsize.h b/src/render/renderstates/qpointsize.h new file mode 100644 index 000000000..716e61d54 --- /dev/null +++ b/src/render/renderstates/qpointsize.h @@ -0,0 +1,87 @@ +/**************************************************************************** +** +** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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.LGPLv3 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.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 later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#ifndef QT3DRENDER_QPOINTSIZE_H +#define QT3DRENDER_QPOINTSIZE_H + +#include <Qt3DRender/qrenderstate.h> + +QT_BEGIN_NAMESPACE + +namespace Qt3DRender { + +class QPointSizePrivate; + +class QT3DRENDERSHARED_EXPORT QPointSize : public QRenderState +{ + Q_OBJECT + Q_PROPERTY(Specification specification READ specification WRITE setSpecification NOTIFY specificationChanged) + Q_PROPERTY(float value READ value WRITE setValue NOTIFY valueChanged) + +public: + enum Specification { + StaticValue = 0, + Programmable = 1 + }; + Q_ENUM(Specification) + + explicit QPointSize(Qt3DCore::QNode *parent = 0); + ~QPointSize(); + + Specification specification() const; + float value() const; + bool isProgrammable() const; + +public Q_SLOTS: + void setSpecification(Specification spec); + void setValue(float value); + +Q_SIGNALS: + void specificationChanged(Specification spec); + void valueChanged(float value); + +protected: + void copy(const Qt3DCore::QNode *ref) Q_DECL_FINAL; + +private: + Q_DECLARE_PRIVATE(QPointSize) + QT3D_CLONEABLE(QPointSize) +}; + +} // namespace Qt3DRender + +QT_END_NAMESPACE + +#endif // QT3DRENDER_QPOINTSIZE_H diff --git a/src/render/renderstates/qrenderstate.h b/src/render/renderstates/qrenderstate.h index dfe69c021..c40a11318 100644 --- a/src/render/renderstates/qrenderstate.h +++ b/src/render/renderstates/qrenderstate.h @@ -64,6 +64,7 @@ public: DepthTest, Dithering, FrontFace, + PointSize, PolygonOffset, ScissorTest, StencilTest, diff --git a/src/render/renderstates/renderstates.cpp b/src/render/renderstates/renderstates.cpp index 6016e590d..204803dc6 100644 --- a/src/render/renderstates/renderstates.cpp +++ b/src/render/renderstates/renderstates.cpp @@ -233,6 +233,21 @@ AlphaCoverage *AlphaCoverage::getOrCreate() return getOrCreateImpl(AlphaCoverage()); } +void PointSize::apply(GraphicsContext *gc) const +{ + gc->pointSize(m_1, m_2); +} + +PointSize *PointSize::getOrCreate(bool programmable, GLfloat value) +{ + return getOrCreateImpl(PointSize(programmable, value)); +} + +PointSize::PointSize(bool programmable, GLfloat value) + : GenericState2<PointSize, bool, GLfloat>(programmable, value) +{ +} + void PolygonOffset::apply(GraphicsContext *gc) const { gc->openGLContext()->functions()->glEnable(GL_POLYGON_OFFSET_FILL); diff --git a/src/render/renderstates/renderstates.pri b/src/render/renderstates/renderstates.pri index dc5684230..554a0e666 100644 --- a/src/render/renderstates/renderstates.pri +++ b/src/render/renderstates/renderstates.pri @@ -23,7 +23,8 @@ HEADERS += \ $$PWD/qstenciltest.h \ $$PWD/qstenciltestseparate.h \ $$PWD/renderstates_p.h \ - $$PWD/renderstateset_p.h + $$PWD/renderstateset_p.h \ + $$PWD/qpointsize.h SOURCES += \ @@ -47,4 +48,5 @@ SOURCES += \ $$PWD/qstenciltest.cpp \ $$PWD/qstenciltestseparate.cpp \ $$PWD/renderstates.cpp \ - $$PWD/renderstateset.cpp + $$PWD/renderstateset.cpp \ + $$PWD/qpointsize.cpp diff --git a/src/render/renderstates/renderstates_p.h b/src/render/renderstates/renderstates_p.h index 055f0cb11..e2fada4ea 100644 --- a/src/render/renderstates/renderstates_p.h +++ b/src/render/renderstates/renderstates_p.h @@ -219,6 +219,19 @@ private: AlphaCoverage(); }; +class Q_AUTOTEST_EXPORT PointSize : public GenericState2<PointSize, bool, GLfloat> +{ +public: + void apply(GraphicsContext *gc) const Q_DECL_OVERRIDE; + StateMaskSet mask() const Q_DECL_OVERRIDE + { return PointSizeMask; } + + static PointSize *getOrCreate(bool programmable, GLfloat value); + +private: + PointSize(bool programmable, GLfloat value); +}; + class Q_AUTOTEST_EXPORT PolygonOffset : public GenericState2<PolygonOffset, GLfloat, GLfloat> { public: diff --git a/src/render/renderstates/renderstateset.cpp b/src/render/renderstates/renderstateset.cpp index faf40302d..1d2520177 100644 --- a/src/render/renderstates/renderstateset.cpp +++ b/src/render/renderstates/renderstateset.cpp @@ -55,6 +55,7 @@ #include <Qt3DRender/qdepthtest.h> #include <Qt3DRender/qdithering.h> #include <Qt3DRender/qfrontface.h> +#include <Qt3DRender/qpointsize.h> #include <Qt3DRender/qpolygonoffset.h> #include <Qt3DRender/qscissortest.h> #include <Qt3DRender/qstenciltest.h> @@ -210,6 +211,10 @@ void RenderStateSet::resetMasked(StateMaskSet maskOfStatesToReset, GraphicsConte gc->disableAlphaCoverage(); } + if (maskOfStatesToReset & PointSizeMask) { + gc->pointSize(false, 1.0f); // reset to default + } + if (maskOfStatesToReset & PolygonOffsetStateMask) { funcs->glDisable(GL_POLYGON_OFFSET_FILL); } @@ -295,6 +300,10 @@ RenderState *RenderState::getOrCreateBackendState(QRenderState *renderState) case QRenderState::AlphaCoverage: { return AlphaCoverage::getOrCreate(); } + case QRenderState::PointSize: { + QPointSize *pointSize = static_cast<QPointSize *>(renderState); + return PointSize::getOrCreate(pointSize->isProgrammable(), pointSize->value()); + } case QRenderState::PolygonOffset: { QPolygonOffset *polygonOffset = static_cast<QPolygonOffset *>(renderState); return PolygonOffset::getOrCreate(polygonOffset->factor(), |