summaryrefslogtreecommitdiffstats
path: root/src/opengl/qgl.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/opengl/qgl.cpp')
-rw-r--r--src/opengl/qgl.cpp86
1 files changed, 52 insertions, 34 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 9d4b488..7e922ac 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -1537,6 +1537,18 @@ 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()) {
@@ -1585,6 +1597,8 @@ 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;
@@ -1830,12 +1844,6 @@ 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.
@@ -1975,6 +1983,35 @@ 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
@@ -3055,7 +3092,7 @@ 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;
}
@@ -4479,9 +4516,9 @@ 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()) {
@@ -4501,11 +4538,6 @@ 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);
}
@@ -4529,11 +4561,8 @@ 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);
@@ -4581,9 +4610,9 @@ 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);
@@ -4597,8 +4626,6 @@ 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);
}
@@ -4627,13 +4654,10 @@ 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);
@@ -5029,8 +5053,6 @@ void QGLWidgetPrivate::initContext(QGLContext *context, const QGLWidget* shareWi
if (!glcx)
glcx = new QGLContext(QGLFormat::defaultFormat(), q);
-
- q->setAttribute(Qt::WA_NoSystemBackground);
}
#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
@@ -5054,7 +5076,7 @@ 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;
@@ -5075,11 +5097,7 @@ 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())