bool QX11GLWindowSurface::scroll(const QRegion &area, int dx, int dy)
{
if (m_backBuffer.isNull())
return false;
Q_ASSERT(m_backBuffer.data_ptr()->classId() == QPixmapData::X11Class);
// Make sure all GL rendering is complete before starting the scroll operation:
QGLContext* ctx = static_cast<QX11GLPixmapData*>(m_backBuffer.data_ptr().data())->context();
if (QGLContext::currentContext() != ctx && ctx && ctx->isValid())
ctx->makeCurrent();
eglWaitClient();
if (!m_pixmapGC)
m_pixmapGC = XCreateGC(X11->display, m_backBuffer.handle(), 0, 0);
foreach (const QRect& rect, area.rects()) {
XCopyArea(X11->display, m_backBuffer.handle(), m_backBuffer.handle(), m_pixmapGC,
rect.x(), rect.y(), rect.width(), rect.height(),
rect.x()+dx, rect.y()+dy);
}
// Make sure the scroll operation is complete before allowing GL rendering to resume
eglWaitNative(EGL_CORE_NATIVE_ENGINE);
return true;
}
void QGLPaintDevice::beginPaint()
{
// Make sure our context is the current one:
QGLContext *ctx = context();
ctx->makeCurrent();
// Record the currently bound FBO so we can restore it again
// in endPaint() and bind this device's FBO
//
// Note: m_thisFBO could be zero if the paint device is not
// backed by an FBO (e.g. window back buffer). But there could
// be a previous FBO bound to the context which we need to
// explicitly unbind. Otherwise the painting will go into
// the previous FBO instead of to the window.
m_previousFBO = ctx->d_func()->current_fbo;
if (m_previousFBO != m_thisFBO) {
ctx->d_ptr->current_fbo = m_thisFBO;
glBindFramebuffer(GL_FRAMEBUFFER, m_thisFBO);
}
// Set the default fbo for the context to m_thisFBO so that
// if some raw GL code between beginNativePainting() and
// endNativePainting() calls QGLFramebufferObject::release(),
// painting will revert to the window surface's fbo.
ctx->d_ptr->default_fbo = m_thisFBO;
}
bool checkOpenGL(){
QGLWidget *glWidget = new QGLWidget;
QGLContext* glContext = (QGLContext *) glWidget->context();
GLCHK( glContext->makeCurrent() );
qDebug() << "Running the " + QString(AWESOME_BUMP_VERSION);
qDebug() << "Checking OpenGL version...";
qDebug() << "Widget OpenGL: " << glContext->format().majorVersion() << "." << glContext->format().minorVersion() ;
qDebug() << "Context valid: " << glContext->isValid() ;
qDebug() << "OpenGL information: " ;
qDebug() << "VENDOR: " << (const char*)glGetString(GL_VENDOR) ;
qDebug() << "RENDERER: " << (const char*)glGetString(GL_RENDERER) ;
qDebug() << "VERSION: " << (const char*)glGetString(GL_VERSION) ;
qDebug() << "GLSL VERSION: " << (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION) ;
float version = glContext->format().majorVersion() + 0.1 * glContext->format().minorVersion();
delete glWidget;
qDebug() << "Version:" << version;
// check openGL version
if( version < 4.0 )
{
qDebug() << "Error: AwesomeBump does not support openGL versions lower than 4.0 :(" ;
return false;
}
return true;
}
void MGLES2RendererPrivate::init()
{
m_initialized = true;
//init world matrix for the known parts
//parts that are changeable by the transformation
//are set when rendering in the textures
m_matWorld[0][2] = 0.0;
m_matWorld[1][2] = 0.0;
m_matWorld[2][0] = 0.0;
m_matWorld[2][1] = 0.0;
m_matWorld[2][2] = 1.0;
m_matWorld[2][3] = 0.0;
m_matWorld[3][2] = 0.0;
//init vertex and texcoord arrays, 4 first vertices are used to draw standard
//pixmaps and all the remaining vertices can be used to draw dynamic geometries
//like scalable images and other patched stuff, the vertices are packed into same
//array so that we don't need to switch the used array on fly.
m_vertices.resize(8 + (9 * 4 * 2));
m_texCoords.resize(8 + (9 * 4 * 2));
GLfloat *tc = m_texCoords.data();
tc[0] = 0.0; tc[1] = 1.0;
tc[2] = 0.0; tc[3] = 0.0;
tc[4] = 1.0; tc[5] = 0.0;
tc[6] = 1.0; tc[7] = 1.0;
//init index array that is used to draw dynamic geometries
//the indices are offset by 4 because the 4 vertices that
//are used to draw normal pixmaps are in the beginning of
//the array
m_indices.resize(9 * 6);
GLushort *indices = m_indices.data();
for (GLuint i = 0; i < 9; i++) {
indices[i*6+0] = 4 + (i * 4 + 0); //x1 y1 TL
indices[i*6+1] = 4 + (i * 4 + 1); //x1 y2 BL
indices[i*6+2] = 4 + (i * 4 + 2); //x2 y2 BR
indices[i*6+3] = 4 + (i * 4 + 0); //x1 y1 TL
indices[i*6+4] = 4 + (i * 4 + 2); //x2 y2 BR
indices[i*6+5] = 4 + (i * 4 + 3); //x2 y1 TR
}
m_glContext->makeCurrent();
//init the orthogonal projection matrix
//glOrtho(0, w, h, 0, -1, 1):
//2.0/w, 0.0, 0.0, -1.0
//0.0, -2.0/h, 0.0, 1.0
//0.0, 0.0, -1.0, 0.0
//0.0, 0.0, 0.0, 1.0
GLfloat w = m_glContext->device()->width();
GLfloat h = m_glContext->device()->height();
m_matProj[0][0] = 2.0f / w; m_matProj[1][0] = 0.0; m_matProj[2][0] = 0.0; m_matProj[3][0] = -1.0;
m_matProj[0][1] = 0.0; m_matProj[1][1] = -2.0f / h; m_matProj[2][1] = 0.0; m_matProj[3][1] = 1.0;
m_matProj[0][2] = 0.0; m_matProj[1][2] = 0.0; m_matProj[2][2] = -1.0; m_matProj[3][2] = 0.0;
m_matProj[0][3] = 0.0; m_matProj[1][3] = 0.0; m_matProj[2][3] = 0.0; m_matProj[3][3] = 1.0;
}
/*! \fn QGLPixelBuffer::~QGLPixelBuffer()
Destroys the pbuffer and frees any allocated resources.
*/
QGLPixelBuffer::~QGLPixelBuffer()
{
Q_D(QGLPixelBuffer);
// defined in qpaintengine_opengl.cpp
QGLContext *current = const_cast<QGLContext *>(QGLContext::currentContext());
if (current != d->qctx)
makeCurrent();
d->cleanup();
if (current && current != d->qctx)
current->makeCurrent();
}
void QGLPaintDevice::ensureActiveTarget()
{
QGLContext* ctx = context();
if (ctx != QGLContext::currentContext())
ctx->makeCurrent();
if (ctx->d_ptr->current_fbo != m_thisFBO) {
ctx->d_ptr->current_fbo = m_thisFBO;
glBindFramebuffer(GL_FRAMEBUFFER, m_thisFBO);
}
ctx->d_ptr->default_fbo = m_thisFBO;
}
void QGLPaintDevice::ensureActiveTarget()
{
QGLContext* ctx = context();
if (ctx != QGLContext::currentContext())
ctx->makeCurrent();
ctx->d_func()->refreshCurrentFbo();
if (ctx->d_ptr->current_fbo != m_thisFBO) {
ctx->d_func()->setCurrentFbo(m_thisFBO);
ctx->contextHandle()->functions()->glBindFramebuffer(GL_FRAMEBUFFER, m_thisFBO);
}
ctx->d_ptr->default_fbo = m_thisFBO;
}
void QX11GLWindowSurface::flush(QWidget *widget, const QRegion &widgetRegion, const QPoint &offset)
{
// We don't need to know the widget which initiated the flush. Instead we just use the offset
// to translate the widgetRegion:
Q_UNUSED(widget);
if (m_backBuffer.isNull()) {
qDebug("QX11GLWindowSurface::flush() - backBuffer is null, not flushing anything");
return;
}
Q_ASSERT(window()->size() != m_backBuffer.size());
// Wait for all GL rendering to the back buffer pixmap to complete before trying to
// copy it to the window. We do this by making sure the pixmap's context is current
// and then call eglWaitClient. The EGL 1.4 spec says eglWaitClient doesn't have to
// block, just that "All rendering calls...are guaranteed to be executed before native
// rendering calls". This makes it potentially less expensive than glFinish.
QGLContext* ctx = static_cast<QX11GLPixmapData*>(m_backBuffer.data_ptr().data())->context();
if (QGLContext::currentContext() != ctx && ctx && ctx->isValid())
ctx->makeCurrent();
eglWaitClient();
if (m_windowGC == 0) {
XGCValues attribs;
attribs.graphics_exposures = False;
m_windowGC = XCreateGC(X11->display, m_window->handle(), GCGraphicsExposures, &attribs);
}
int rectCount;
XRectangle *rects = (XRectangle *)qt_getClipRects(widgetRegion, rectCount);
if (rectCount <= 0)
return;
XSetClipRectangles(X11->display, m_windowGC, 0, 0, rects, rectCount, YXBanded);
QRect dirtyRect = widgetRegion.boundingRect().translated(-offset);
XCopyArea(X11->display, m_backBuffer.handle(), m_window->handle(), m_windowGC,
dirtyRect.x(), dirtyRect.y(), dirtyRect.width(), dirtyRect.height(),
dirtyRect.x(), dirtyRect.y());
// Make sure the blit of the update from the back buffer to the window completes
// before allowing rendering to start again to the back buffer. Otherwise the GPU
// might start rendering to the back buffer again while the blit takes place.
eglWaitNative(EGL_CORE_NATIVE_ENGINE);
}
QPixmap QX11GLWindowSurface::grabWidget(const QWidget *widget, const QRect& rect) const
{
if (!widget || m_backBuffer.isNull())
return QPixmap();
QRect srcRect;
// make sure the rect is inside the widget & clip to widget's rect
if (!rect.isEmpty())
srcRect = rect & widget->rect();
else
srcRect = widget->rect();
if (srcRect.isEmpty())
return QPixmap();
// If it's a child widget we have to translate the coordinates
if (widget != window())
srcRect.translate(widget->mapTo(window(), QPoint(0, 0)));
QPixmap::x11SetDefaultScreen(widget->x11Info().screen());
QX11PixmapData *pmd = new QX11PixmapData(QPixmapData::PixmapType);
pmd->resize(srcRect.width(), srcRect.height());
QPixmap px(pmd);
GC tmpGc = XCreateGC(X11->display, m_backBuffer.handle(), 0, 0);
// Make sure all GL rendering is complete before copying the window
QGLContext* ctx = static_cast<QX11GLPixmapData*>(m_backBuffer.pixmapData())->context();
if (QGLContext::currentContext() != ctx && ctx && ctx->isValid())
ctx->makeCurrent();
eglWaitClient();
// Copy srcRect from the backing store to the new pixmap
XSetGraphicsExposures(X11->display, tmpGc, False);
XCopyArea(X11->display, m_backBuffer.handle(), px.handle(), tmpGc,
srcRect.x(), srcRect.y(), srcRect.width(), srcRect.height(), 0, 0);
XFreeGC(X11->display, tmpGc);
// Wait until the copy has finised before allowing more rendering into the back buffer
eglWaitNative(EGL_CORE_NATIVE_ENGINE);
return px;
}
bool checkOpenGL(){
QGLWidget *glWidget = new QGLWidget;
QGLContext* glContext = (QGLContext *) glWidget->context();
GLCHK( glContext->makeCurrent() );
qDebug() << "Running the " + QString(AWESOME_BUMP_VERSION);
qDebug() << "Checking OpenGL version...";
qDebug() << "Widget OpenGL:" << QString("%1.%2").arg(glContext->format().majorVersion()).arg(glContext->format().minorVersion());
qDebug() << "Context valid:" << glContext->isValid() ;
qDebug() << "OpenGL information:" ;
qDebug() << "VENDOR:" << (const char*)glGetString(GL_VENDOR) ;
qDebug() << "RENDERER:" << (const char*)glGetString(GL_RENDERER) ;
qDebug() << "VERSION:" << (const char*)glGetString(GL_VERSION) ;
qDebug() << "GLSL VERSION:" << (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION) ;
float version = glContext->format().majorVersion() + 0.1 * glContext->format().minorVersion();
Performance3DSettings::openGLVersion = version;
#ifdef USE_OPENGL_330
Performance3DSettings::openGLVersion = 3.3;
#endif
delete glWidget;
qDebug() << "Version:" << version;
#ifdef USE_OPENGL_330
// check openGL version
if( version < 3.3 )
{
qDebug() << "Error: This version of AwesomeBump does not support openGL versions lower than 3.3 :(" ;
return false;
}
#else
// check openGL version
if( version < 4.0 )
{
qDebug() << "Error: AwesomeBump does not support openGL versions lower than 4.0 :(" ;
return false;
}
#endif
return true;
}
QList<VideoFrame::Format> GlslPainter::supportedFormats() const
{
QList<VideoFrame::Format> formats;
QGLContext *glContext = const_cast<QGLContext *>(QGLContext::currentContext());
if (glContext) {
glContext->makeCurrent();
const QByteArray glExtensions(reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS)));
if (QGLShaderProgram::hasOpenGLShaderPrograms(glContext)
&& glExtensions.contains("ARB_shader_objects")) {
// We are usable.
return formats << VideoFrame::Format_YV12
<< VideoFrame::Format_RGB32;
}
}
return formats;
}
static PyObject *meth_QGLContext_makeCurrent(PyObject *sipSelf, PyObject *sipArgs)
{
PyObject *sipParseErr = NULL;
bool sipSelfWasArg = (!sipSelf || sipIsDerived((sipSimpleWrapper *)sipSelf));
{
QGLContext *sipCpp;
if (sipParseArgs(&sipParseErr, sipArgs, "B", &sipSelf, sipType_QGLContext, &sipCpp))
{
(sipSelfWasArg ? sipCpp->QGLContext::makeCurrent() : sipCpp->makeCurrent());
Py_INCREF(Py_None);
return Py_None;
}
}
/* Raise an exception if the arguments couldn't be parsed. */
sipNoMethod(sipParseErr, sipName_QGLContext, sipName_makeCurrent, doc_QGLContext_makeCurrent);
return NULL;
}
bool checkOpenGL(){
QGLWidget *glWidget = new QGLWidget;
QGLContext* glContext = (QGLContext *) glWidget->context();
GLCHK( glContext->makeCurrent() );
int glMajorVersion, glMinorVersion;
glMajorVersion = glContext->format().majorVersion();
glMinorVersion = glContext->format().minorVersion();
qDebug() << "Running the " + QString(AWESOME_BUMP_VERSION);
qDebug() << "Checking OpenGL version...";
qDebug() << "Widget OpenGL:" << QString("%1.%2").arg(glMajorVersion).arg(glMinorVersion);
qDebug() << "Context valid:" << glContext->isValid() ;
qDebug() << "OpenGL information:" ;
qDebug() << "VENDOR:" << (const char*)glGetString(GL_VENDOR) ;
qDebug() << "RENDERER:" << (const char*)glGetString(GL_RENDERER) ;
qDebug() << "VERSION:" << (const char*)glGetString(GL_VERSION) ;
qDebug() << "GLSL VERSION:" << (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION) ;
Display3DSettings::openGLVersion = GL_MAJOR + (GL_MINOR * 0.1);
delete glWidget;
qDebug() << QString("Version: %1.%2").arg(glMajorVersion).arg(glMinorVersion);
// check openGL version
if( glMajorVersion < GL_MAJOR || (glMajorVersion == GL_MAJOR && glMinorVersion < GL_MINOR))
{
qDebug() << QString("Error: This version of AwesomeBump does not support openGL versions lower than %1.%2 :(").arg(GL_MAJOR).arg(GL_MINOR) ;
return false;
}
return true;
}
