diff options
Diffstat (limited to 'src/quick/scenegraph/coreapi/qsgabstractrenderer.cpp')
| -rw-r--r-- | src/quick/scenegraph/coreapi/qsgabstractrenderer.cpp | 190 |
1 files changed, 77 insertions, 113 deletions
diff --git a/src/quick/scenegraph/coreapi/qsgabstractrenderer.cpp b/src/quick/scenegraph/coreapi/qsgabstractrenderer.cpp index 6f14d5abff..ffa5599231 100644 --- a/src/quick/scenegraph/coreapi/qsgabstractrenderer.cpp +++ b/src/quick/scenegraph/coreapi/qsgabstractrenderer.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQuick module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 https://www.qt.io/terms-conditions. For further -** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qsgabstractrenderer_p_p.h" @@ -50,19 +14,6 @@ QT_BEGIN_NAMESPACE */ /*! - \enum QSGAbstractRenderer::ClearModeBit - - Used with setClearMode() to indicate which buffer should - be cleared before the scene render. - - \value ClearColorBuffer Clear the color buffer using clearColor(). - \value ClearDepthBuffer Clear the depth buffer. - \value ClearStencilBuffer Clear the stencil buffer. - - \sa setClearMode(), setClearColor() - */ - -/*! \enum QSGAbstractRenderer::MatrixTransformFlag Used with setProjectionMatrixToRect() to indicate the expectations towards @@ -97,8 +48,9 @@ QT_BEGIN_NAMESPACE QSGAbstractRendererPrivate::QSGAbstractRendererPrivate() : m_root_node(nullptr) , m_clear_color(Qt::transparent) - , m_clear_mode(QSGAbstractRenderer::ClearColorBuffer | QSGAbstractRenderer::ClearDepthBuffer) { + m_projection_matrix.resize(1); + m_projection_matrix_native_ndc.resize(1); } /*! @@ -229,15 +181,7 @@ QRect QSGAbstractRenderer::viewportRect() const */ void QSGAbstractRenderer::setProjectionMatrixToRect(const QRectF &rect) { - QMatrix4x4 matrix; - matrix.ortho(rect.x(), - rect.x() + rect.width(), - rect.y() + rect.height(), - rect.y(), - 1, - -1); - setProjectionMatrix(matrix); - setProjectionMatrixWithNativeNDC(matrix); + setProjectionMatrixToRect(rect, {}, false); } /*! @@ -253,46 +197,77 @@ void QSGAbstractRenderer::setProjectionMatrixToRect(const QRectF &rect) */ void QSGAbstractRenderer::setProjectionMatrixToRect(const QRectF &rect, MatrixTransformFlags flags) { + setProjectionMatrixToRect(rect, flags, flags.testFlag(MatrixTransformFlipY)); +} + +/*! + Convenience method that calls setProjectionMatrix() with an + orthographic matrix generated from \a rect. + + Set MatrixTransformFlipY in \a flags when the graphics API uses Y down in + its normalized device coordinate system (for example, Vulkan). + + Convenience method that calls setProjectionMatrixWithNativeNDC() with an + orthographic matrix generated from \a rect. + + Set true to \a nativeNDCFlipY to flip the Y axis relative to + projection matrix in its normalized device coordinate system. + + \sa setProjectionMatrix(), projectionMatrix() + \sa setProjectionMatrixWithNativeNDC(), projectionMatrixWithNativeNDC() + + \since 6.7 + */ +void QSGAbstractRenderer::setProjectionMatrixToRect(const QRectF &rect, MatrixTransformFlags flags, + bool nativeNDCFlipY) +{ const bool flipY = flags.testFlag(MatrixTransformFlipY); + + const float left = rect.x(); + const float right = rect.x() + rect.width(); + float bottom = rect.y() + rect.height(); + float top = rect.y(); + + if (flipY) + std::swap(top, bottom); + QMatrix4x4 matrix; - matrix.ortho(rect.x(), - rect.x() + rect.width(), - flipY ? rect.y() : rect.y() + rect.height(), - flipY ? rect.y() + rect.height() : rect.y(), - 1, - -1); - setProjectionMatrix(matrix); - - if (flipY) { + matrix.ortho(left, right, bottom, top, 1, -1); + setProjectionMatrix(matrix, 0); + + if (nativeNDCFlipY) { + std::swap(top, bottom); + matrix.setToIdentity(); - matrix.ortho(rect.x(), - rect.x() + rect.width(), - rect.y() + rect.height(), - rect.y(), - 1, - -1); + matrix.ortho(left, right, bottom, top, 1, -1); } - setProjectionMatrixWithNativeNDC(matrix); + setProjectionMatrixWithNativeNDC(matrix, 0); } /*! Use \a matrix to project the QSGNode coordinates onto surface pixels. + \a index specifies the view index when multiview rendering is in use. + \sa projectionMatrix(), setProjectionMatrixToRect() */ -void QSGAbstractRenderer::setProjectionMatrix(const QMatrix4x4 &matrix) +void QSGAbstractRenderer::setProjectionMatrix(const QMatrix4x4 &matrix, int index) { Q_D(QSGAbstractRenderer); - d->m_projection_matrix = matrix; + if (d->m_projection_matrix.count() <= index) + d->m_projection_matrix.resize(index + 1); + d->m_projection_matrix[index] = matrix; } /*! \internal */ -void QSGAbstractRenderer::setProjectionMatrixWithNativeNDC(const QMatrix4x4 &matrix) +void QSGAbstractRenderer::setProjectionMatrixWithNativeNDC(const QMatrix4x4 &matrix, int index) { Q_D(QSGAbstractRenderer); - d->m_projection_matrix_native_ndc = matrix; + if (d->m_projection_matrix_native_ndc.count() <= index) + d->m_projection_matrix_native_ndc.resize(index + 1); + d->m_projection_matrix_native_ndc[index] = matrix; } /*! @@ -300,67 +275,54 @@ void QSGAbstractRenderer::setProjectionMatrixWithNativeNDC(const QMatrix4x4 &mat \sa setProjectionMatrix(), setProjectionMatrixToRect() */ -QMatrix4x4 QSGAbstractRenderer::projectionMatrix() const +QMatrix4x4 QSGAbstractRenderer::projectionMatrix(int index) const { Q_D(const QSGAbstractRenderer); - return d->m_projection_matrix; + return d->m_projection_matrix[index]; } -/*! - \internal - */ -QMatrix4x4 QSGAbstractRenderer::projectionMatrixWithNativeNDC() const +int QSGAbstractRenderer::projectionMatrixCount() const { Q_D(const QSGAbstractRenderer); - return d->m_projection_matrix_native_ndc; + return d->m_projection_matrix.count(); } -/*! - Use \a color to clear the framebuffer when clearMode() is - set to QSGAbstractRenderer::ClearColorBuffer. - - \sa clearColor(), setClearMode() - */ -void QSGAbstractRenderer::setClearColor(const QColor &color) +int QSGAbstractRenderer::projectionMatrixWithNativeNDCCount() const { - Q_D(QSGAbstractRenderer); - d->m_clear_color = color; + Q_D(const QSGAbstractRenderer); + return d->m_projection_matrix_native_ndc.count(); } /*! - Returns the color that clears the framebuffer at the beginning - of the rendering. - - \sa setClearColor(), clearMode() + \internal */ -QColor QSGAbstractRenderer::clearColor() const +QMatrix4x4 QSGAbstractRenderer::projectionMatrixWithNativeNDC(int index) const { Q_D(const QSGAbstractRenderer); - return d->m_clear_color; + return d->m_projection_matrix_native_ndc[index]; } /*! - Defines which attachment of the framebuffer should be cleared - before each scene render with the \a mode flag. + Sets the \a color to clear the framebuffer. - \sa clearMode(), setClearColor() + \sa clearColor() */ -void QSGAbstractRenderer::setClearMode(ClearMode mode) +void QSGAbstractRenderer::setClearColor(const QColor &color) { Q_D(QSGAbstractRenderer); - d->m_clear_mode = mode; + d->m_clear_color = color; } /*! - Flags defining which attachment of the framebuffer will be cleared - before each scene render. + Returns the color that clears the framebuffer at the beginning + of the rendering. - \sa setClearMode(), clearColor() + \sa setClearColor() */ -QSGAbstractRenderer::ClearMode QSGAbstractRenderer::clearMode() const +QColor QSGAbstractRenderer::clearColor() const { Q_D(const QSGAbstractRenderer); - return d->m_clear_mode; + return d->m_clear_color; } /*! @@ -377,3 +339,5 @@ void QSGAbstractRenderer::renderSceneInline() } QT_END_NAMESPACE + +#include "moc_qsgabstractrenderer_p.cpp" |