diff options
Diffstat (limited to 'src/imports/multimedia/qsgvideonode_rgb.cpp')
| -rw-r--r-- | src/imports/multimedia/qsgvideonode_rgb.cpp | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/src/imports/multimedia/qsgvideonode_rgb.cpp b/src/imports/multimedia/qsgvideonode_rgb.cpp deleted file mode 100644 index 41d778e..0000000 --- a/src/imports/multimedia/qsgvideonode_rgb.cpp +++ /dev/null @@ -1,275 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part 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 "qsgvideonode_rgb.h" -#include <QtDeclarative/qsgtexturematerial.h> -#include <QtDeclarative/qsgmaterial.h> -#include <QtGui/QOpenGLContext> -#include <QtGui/QOpenGLFunctions> -#include <QtOpenGL/qglshaderprogram.h> - -QList<QVideoFrame::PixelFormat> QSGVideoNodeFactory_RGB::supportedPixelFormats( - QAbstractVideoBuffer::HandleType handleType) const -{ - QList<QVideoFrame::PixelFormat> pixelFormats; - - if (handleType == QAbstractVideoBuffer::NoHandle) { - pixelFormats.append(QVideoFrame::Format_RGB565); - pixelFormats.append(QVideoFrame::Format_RGB32); - pixelFormats.append(QVideoFrame::Format_ARGB32); - pixelFormats.append(QVideoFrame::Format_BGR32); - pixelFormats.append(QVideoFrame::Format_BGRA32); - } - - return pixelFormats; -} - -QSGVideoNode *QSGVideoNodeFactory_RGB::createNode(const QVideoSurfaceFormat &format) -{ - if (supportedPixelFormats(format.handleType()).contains(format.pixelFormat())) - return new QSGVideoNode_RGB(format); - - return 0; -} - - -class QSGVideoMaterialShader_RGB : public QSGMaterialShader -{ -public: - QSGVideoMaterialShader_RGB(QVideoFrame::PixelFormat pixelFormat) - : QSGMaterialShader(), - m_pixelFormat(pixelFormat) - { - } - - void updateState(const RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial); - - virtual char const *const *attributeNames() const { - static const char *names[] = { - "qt_VertexPosition", - "qt_VertexTexCoord", - 0 - }; - return names; - } - -protected: - - virtual const char *vertexShader() const { - const char *shader = - "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" - "}"; - return shader; - } - - virtual const char *fragmentShader() const { - static const char *shader = - "uniform sampler2D rgbTexture;" - "uniform lowp float opacity;" - "" - "varying highp vec2 qt_TexCoord;" - "" - "void main()" - "{" - " gl_FragColor = texture2D(rgbTexture, qt_TexCoord) * opacity;" - "}"; - - static const char *colorsSwapShader = - "uniform sampler2D rgbTexture;" - "uniform lowp float opacity;" - "" - "varying highp vec2 qt_TexCoord;" - "" - "void main()" - "{" - " gl_FragColor = vec4(texture2D(rgbTexture, qt_TexCoord).bgr, 1.0) * opacity;" - "}"; - - - switch (m_pixelFormat) { - case QVideoFrame::Format_RGB32: - case QVideoFrame::Format_ARGB32: - return colorsSwapShader; - default: - return shader; - } - } - - virtual void initialize() { - m_id_matrix = program()->uniformLocation("qt_Matrix"); - m_id_rgbTexture = program()->uniformLocation("rgbTexture"); - m_id_opacity = program()->uniformLocation("opacity"); - } - - int m_id_matrix; - int m_id_rgbTexture; - int m_id_opacity; - QVideoFrame::PixelFormat m_pixelFormat; -}; - - -class QSGVideoMaterial_RGB : public QSGMaterial -{ -public: - QSGVideoMaterial_RGB(const QVideoSurfaceFormat &format) : - m_format(format), - m_textureId(0), - m_opacity(1.0) - { - setFlag(Blending, false); - } - - ~QSGVideoMaterial_RGB() - { - if (m_textureId) - glDeleteTextures(1, &m_textureId); - } - - virtual QSGMaterialType *type() const { - static QSGMaterialType theType; - return &theType; - } - - virtual QSGMaterialShader *createShader() const { - return new QSGVideoMaterialShader_RGB(m_format.pixelFormat()); - } - - virtual int compare(const QSGMaterial *other) const { - const QSGVideoMaterial_RGB *m = static_cast<const QSGVideoMaterial_RGB *>(other); - return m_textureId - m->m_textureId; - } - - void updateBlending() { - setFlag(Blending, qFuzzyCompare(m_opacity, qreal(1.0)) ? false : true); - } - - void setVideoFrame(const QVideoFrame &frame) { - m_frame = frame; - } - - void bind() - { - QOpenGLFunctions *functions = QOpenGLContext::currentContext()->functions(); - - if (m_frame.isValid() && m_frame.map(QAbstractVideoBuffer::ReadOnly)) { - if (m_textureSize != m_frame.size()) { - if (!m_textureSize.isEmpty()) - glDeleteTextures(1, &m_textureId); - glGenTextures(1, &m_textureId); - m_textureSize = m_frame.size(); - } - - GLint dataType = GL_UNSIGNED_BYTE; - GLint dataFormat = GL_RGBA; - - if (m_frame.pixelFormat() == QVideoFrame::Format_RGB565) { - dataType = GL_UNSIGNED_SHORT_5_6_5; - dataFormat = GL_RGB; - } - - functions->glActiveTexture(GL_TEXTURE0); - glBindTexture(GL_TEXTURE_2D, m_textureId); - glTexImage2D(GL_TEXTURE_2D, 0, dataFormat, - m_textureSize.width(), m_textureSize.height(), - 0, dataFormat, dataType, m_frame.bits()); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - - m_frame.unmap(); - m_frame = QVideoFrame(); - } else { - functions->glActiveTexture(GL_TEXTURE0); - glBindTexture(GL_TEXTURE_2D, m_textureId); - } - } - - QVideoFrame m_frame; - QSize m_textureSize; - QVideoSurfaceFormat m_format; - GLuint m_textureId; - qreal m_opacity; -}; - - -QSGVideoNode_RGB::QSGVideoNode_RGB(const QVideoSurfaceFormat &format) : - m_format(format) -{ - m_material = new QSGVideoMaterial_RGB(format); - setMaterial(m_material); -} - -QSGVideoNode_RGB::~QSGVideoNode_RGB() -{ -} - -void QSGVideoNode_RGB::setCurrentFrame(const QVideoFrame &frame) -{ - m_material->setVideoFrame(frame); - markDirty(DirtyMaterial); -} - -void QSGVideoMaterialShader_RGB::updateState(const RenderState &state, - QSGMaterial *newMaterial, - QSGMaterial *oldMaterial) -{ - Q_UNUSED(oldMaterial); - QSGVideoMaterial_RGB *mat = static_cast<QSGVideoMaterial_RGB *>(newMaterial); - program()->setUniformValue(m_id_rgbTexture, 0); - - mat->bind(); - - if (state.isOpacityDirty()) { - mat->m_opacity = state.opacity(); - mat->updateBlending(); - program()->setUniformValue(m_id_opacity, GLfloat(mat->m_opacity)); - } - - if (state.isMatrixDirty()) - program()->setUniformValue(m_id_matrix, state.combinedMatrix()); -} |