diff options
Diffstat (limited to 'src/opengl/qgl.cpp')
-rw-r--r-- | src/opengl/qgl.cpp | 84 |
1 files changed, 52 insertions, 32 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp index 0aa0a03..8944c1b 100644 --- a/src/opengl/qgl.cpp +++ b/src/opengl/qgl.cpp @@ -1436,6 +1436,18 @@ void QGLContextGroup::removeGuard(QGLSharedResourceGuard *guard) m_guards = guard->m_next; } +const QGLContext *qt_gl_transfer_context(const QGLContext *ctx) +{ + if (!ctx) + return 0; + QList<const QGLContext *> shares + (QGLContextPrivate::contextGroup(ctx)->shares()); + if (shares.size() >= 2) + return (ctx == shares.at(0)) ? shares.at(1) : shares.at(0); + else + return 0; +} + QGLContextPrivate::~QGLContextPrivate() { if (!group->m_refs.deref()) { @@ -1484,6 +1496,8 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format) current_fbo = 0; default_fbo = 0; active_engine = 0; + for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i) + vertexAttributeArraysEnabledState[i] = false; } QGLContext* QGLContext::currentCtx = 0; @@ -1729,12 +1743,6 @@ struct DDSFormat { #define GL_GENERATE_MIPMAP_HINT_SGIS 0x8192 #endif -Q_GLOBAL_STATIC(QGLShareRegister, _qgl_share_reg) -Q_OPENGL_EXPORT QGLShareRegister* qgl_share_reg() -{ - return _qgl_share_reg(); -} - /*! \class QGLContext \brief The QGLContext class encapsulates an OpenGL rendering context. @@ -1874,6 +1882,35 @@ void QGLContextPrivate::cleanup() { } +#define ctx q_ptr +void QGLContextPrivate::setVertexAttribArrayEnabled(int arrayIndex, bool enabled) +{ + Q_ASSERT(arrayIndex < QT_GL_VERTEX_ARRAY_TRACKED_COUNT); + Q_ASSERT(glEnableVertexAttribArray); + + if (vertexAttributeArraysEnabledState[arrayIndex] && !enabled) + glDisableVertexAttribArray(arrayIndex); + + if (!vertexAttributeArraysEnabledState[arrayIndex] && enabled) + glEnableVertexAttribArray(arrayIndex); + + vertexAttributeArraysEnabledState[arrayIndex] = enabled; +} + +void QGLContextPrivate::syncGlState() +{ + Q_ASSERT(glEnableVertexAttribArray); + for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i) { + if (vertexAttributeArraysEnabledState[i]) + glEnableVertexAttribArray(i); + else + glDisableVertexAttribArray(i); + } + +} +#undef ctx + + /*! \overload @@ -2954,7 +2991,7 @@ bool QGLContext::create(const QGLContext* shareContext) wd->usesDoubleBufferedGLContext = d->glFormat.doubleBuffer(); } if (d->sharing) // ok, we managed to share - qgl_share_reg()->addShare(this, shareContext); + QGLContextGroup::addShare(this, shareContext); return d->valid; } @@ -4378,9 +4415,9 @@ void QGLWidget::renderText(int x, int y, const QString &str, const QFont &font, int height = d->glcx->device()->height(); bool auto_swap = autoBufferSwap(); + QPaintEngine::Type oldEngineType = qgl_engine_selector()->preferredPaintEngine(); + qgl_engine_selector()->setPreferredPaintEngine(QPaintEngine::OpenGL); QPaintEngine *engine = paintEngine(); - if (engine->type() == QPaintEngine::OpenGL2) - static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(true); QPainter *p; bool reuse_painter = false; if (engine->isActive()) { @@ -4400,11 +4437,6 @@ void QGLWidget::renderText(int x, int y, const QString &str, const QFont &font, setAutoBufferSwap(false); // disable glClear() as a result of QPainter::begin() d->disable_clear_on_painter_begin = true; - if (engine->type() == QPaintEngine::OpenGL2) { - qt_save_gl_state(); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - } p = new QPainter(this); } @@ -4428,11 +4460,8 @@ void QGLWidget::renderText(int x, int y, const QString &str, const QFont &font, delete p; setAutoBufferSwap(auto_swap); d->disable_clear_on_painter_begin = false; - if (engine->type() == QPaintEngine::OpenGL2) - qt_restore_gl_state(); } - if (engine->type() == QPaintEngine::OpenGL2) - static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(false); + qgl_engine_selector()->setPreferredPaintEngine(oldEngineType); #else // QT_OPENGL_ES Q_UNUSED(x); Q_UNUSED(y); @@ -4480,9 +4509,9 @@ void QGLWidget::renderText(double x, double y, double z, const QString &str, con &win_x, &win_y, &win_z); win_y = height - win_y; // y is inverted + QPaintEngine::Type oldEngineType = qgl_engine_selector()->preferredPaintEngine(); + qgl_engine_selector()->setPreferredPaintEngine(QPaintEngine::OpenGL); QPaintEngine *engine = paintEngine(); - if (engine->type() == QPaintEngine::OpenGL2) - static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(true); QPainter *p; bool reuse_painter = false; bool use_depth_testing = glIsEnabled(GL_DEPTH_TEST); @@ -4496,8 +4525,6 @@ void QGLWidget::renderText(double x, double y, double z, const QString &str, con setAutoBufferSwap(false); // disable glClear() as a result of QPainter::begin() d->disable_clear_on_painter_begin = true; - if (engine->type() == QPaintEngine::OpenGL2) - qt_save_gl_state(); p = new QPainter(this); } @@ -4526,13 +4553,10 @@ void QGLWidget::renderText(double x, double y, double z, const QString &str, con } else { p->end(); delete p; - if (engine->type() == QPaintEngine::OpenGL2) - qt_restore_gl_state(); setAutoBufferSwap(auto_swap); d->disable_clear_on_painter_begin = false; } - if (engine->type() == QPaintEngine::OpenGL2) - static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(false); + qgl_engine_selector()->setPreferredPaintEngine(oldEngineType); #else // QT_OPENGL_ES Q_UNUSED(x); Q_UNUSED(y); @@ -4953,7 +4977,7 @@ Q_OPENGL_EXPORT const QString qt_gl_library_name() } #endif -void QGLShareRegister::addShare(const QGLContext *context, const QGLContext *share) { +void QGLContextGroup::addShare(const QGLContext *context, const QGLContext *share) { Q_ASSERT(context && share); if (context->d_ptr->group == share->d_ptr->group) return; @@ -4974,11 +4998,7 @@ void QGLShareRegister::addShare(const QGLContext *context, const QGLContext *sha group->m_shares.append(context); } -QList<const QGLContext *> QGLShareRegister::shares(const QGLContext *context) { - return context->d_ptr->group->m_shares; -} - -void QGLShareRegister::removeShare(const QGLContext *context) { +void QGLContextGroup::removeShare(const QGLContext *context) { // Remove the context from the group. QGLContextGroup *group = context->d_ptr->group; if (group->m_shares.isEmpty()) |