--- a/src/gui/egl/qegl.cpp Mon Mar 15 12:43:09 2010 +0200
+++ b/src/gui/egl/qegl.cpp Thu Apr 08 14:19:33 2010 +0300
@@ -54,9 +54,10 @@
static QEglContext * volatile currentGLContext = 0;
static QEglContext * volatile currentVGContext = 0;
+EGLDisplay QEglContext::dpy = EGL_NO_DISPLAY;
+
QEglContext::QEglContext()
: apiType(QEgl::OpenGL)
- , dpy(EGL_NO_DISPLAY)
, ctx(EGL_NO_CONTEXT)
, cfg(0)
, currentSurface(EGL_NO_SURFACE)
@@ -68,7 +69,7 @@
QEglContext::~QEglContext()
{
- destroy();
+ destroyContext();
if (currentGLContext == this)
currentGLContext = 0;
@@ -86,14 +87,6 @@
return current;
}
-// Open the EGL display associated with "device".
-bool QEglContext::openDisplay(QPaintDevice *device)
-{
- if (dpy == EGL_NO_DISPLAY)
- dpy = defaultDisplay(device);
- return (dpy != EGL_NO_DISPLAY);
-}
-
// Choose a configuration that matches "properties".
bool QEglContext::chooseConfig
(const QEglProperties& properties, QEgl::PixelFormatMatch match)
@@ -102,13 +95,13 @@
do {
// Get the number of matching configurations for this set of properties.
EGLint matching = 0;
- if (!eglChooseConfig(dpy, props.properties(), 0, 0, &matching) || !matching)
+ if (!eglChooseConfig(display(), props.properties(), 0, 0, &matching) || !matching)
continue;
// If we want the best pixel format, then return the first
// matching configuration.
if (match == QEgl::BestPixelFormat) {
- eglChooseConfig(dpy, props.properties(), &cfg, 1, &matching);
+ eglChooseConfig(display(), props.properties(), &cfg, 1, &matching);
if (matching < 1)
continue;
return true;
@@ -118,13 +111,13 @@
// first that matches the pixel format we wanted.
EGLint size = matching;
EGLConfig *configs = new EGLConfig [size];
- eglChooseConfig(dpy, props.properties(), configs, size, &matching);
+ eglChooseConfig(display(), props.properties(), configs, size, &matching);
for (EGLint index = 0; index < size; ++index) {
EGLint red, green, blue, alpha;
- eglGetConfigAttrib(dpy, configs[index], EGL_RED_SIZE, &red);
- eglGetConfigAttrib(dpy, configs[index], EGL_GREEN_SIZE, &green);
- eglGetConfigAttrib(dpy, configs[index], EGL_BLUE_SIZE, &blue);
- eglGetConfigAttrib(dpy, configs[index], EGL_ALPHA_SIZE, &alpha);
+ eglGetConfigAttrib(display(), configs[index], EGL_RED_SIZE, &red);
+ eglGetConfigAttrib(display(), configs[index], EGL_GREEN_SIZE, &green);
+ eglGetConfigAttrib(display(), configs[index], EGL_BLUE_SIZE, &blue);
+ eglGetConfigAttrib(display(), configs[index], EGL_ALPHA_SIZE, &alpha);
if (red == props.value(EGL_RED_SIZE) &&
green == props.value(EGL_GREEN_SIZE) &&
blue == props.value(EGL_BLUE_SIZE) &&
@@ -179,7 +172,7 @@
if (shareContext && shareContext->ctx == EGL_NO_CONTEXT)
shareContext = 0;
if (shareContext) {
- ctx = eglCreateContext(dpy, cfg, shareContext->ctx, contextProps.properties());
+ ctx = eglCreateContext(display(), cfg, shareContext->ctx, contextProps.properties());
if (ctx == EGL_NO_CONTEXT) {
qWarning() << "QEglContext::createContext(): Could not share context:" << errorString(eglGetError());
shareContext = 0;
@@ -188,7 +181,7 @@
}
}
if (ctx == EGL_NO_CONTEXT) {
- ctx = eglCreateContext(dpy, cfg, 0, contextProps.properties());
+ ctx = eglCreateContext(display(), cfg, 0, contextProps.properties());
if (ctx == EGL_NO_CONTEXT) {
qWarning() << "QEglContext::createContext(): Unable to create EGL context:" << errorString(eglGetError());
return false;
@@ -204,16 +197,15 @@
if (surface != EGL_NO_SURFACE) {
if (surface == currentSurface)
doneCurrent();
- eglDestroySurface(dpy, surface);
+ eglDestroySurface(display(), surface);
}
}
// Destroy the context. Note: this does not destroy the surface.
-void QEglContext::destroy()
+void QEglContext::destroyContext()
{
if (ctx != EGL_NO_CONTEXT && ownsContext)
- eglDestroyContext(dpy, ctx);
- dpy = EGL_NO_DISPLAY;
+ eglDestroyContext(display(), ctx);
ctx = EGL_NO_CONTEXT;
cfg = 0;
}
@@ -248,7 +240,7 @@
eglBindAPI(EGL_OPENVG_API);
#endif
- bool ok = eglMakeCurrent(dpy, surface, surface, ctx);
+ bool ok = eglMakeCurrent(display(), surface, surface, ctx);
if (!ok)
qWarning() << "QEglContext::makeCurrent():" << errorString(eglGetError());
return ok;
@@ -277,7 +269,7 @@
eglBindAPI(EGL_OPENVG_API);
#endif
- bool ok = eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+ bool ok = eglMakeCurrent(display(), EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (!ok)
qWarning() << "QEglContext::doneCurrent():" << errorString(eglGetError());
return ok;
@@ -299,7 +291,7 @@
if(ctx == EGL_NO_CONTEXT)
return false;
- bool ok = eglSwapBuffers(dpy, surface);
+ bool ok = eglSwapBuffers(display(), surface);
if (!ok)
qWarning() << "QEglContext::swapBuffers():" << errorString(eglGetError());
return ok;
@@ -338,7 +330,7 @@
// Query the value of a configuration attribute.
bool QEglContext::configAttrib(int name, EGLint *value) const
{
- return eglGetConfigAttrib(dpy, cfg, name, value);
+ return eglGetConfigAttrib(display(), cfg, name, value);
}
// Retrieve all of the properties on "cfg". If zero, return
@@ -350,34 +342,45 @@
QEglProperties props;
for (int name = 0x3020; name <= 0x304F; ++name) {
EGLint value;
- if (name != EGL_NONE && eglGetConfigAttrib(dpy, cfg, name, &value))
+ if (name != EGL_NONE && eglGetConfigAttrib(display(), cfg, name, &value))
props.setValue(name, value);
}
eglGetError(); // Clear the error state.
return props;
}
-// Initialize and return the default display.
-EGLDisplay QEglContext::defaultDisplay(QPaintDevice *device)
+EGLDisplay QEglContext::display()
{
- static EGLDisplay dpy = EGL_NO_DISPLAY;
- if (dpy == EGL_NO_DISPLAY) {
- dpy = getDisplay(device);
+ static bool openedDisplay = false;
+
+ if (!openedDisplay) {
+ dpy = eglGetDisplay(nativeDisplay());
+ openedDisplay = true;
if (dpy == EGL_NO_DISPLAY) {
- qWarning() << "QEglContext::defaultDisplay(): Cannot open EGL display";
+ qWarning("QEglContext::display(): Falling back to EGL_DEFAULT_DISPLAY");
+ dpy = eglGetDisplay(EGLNativeDisplayType(EGL_DEFAULT_DISPLAY));
+ }
+ if (dpy == EGL_NO_DISPLAY) {
+ qWarning("QEglContext::display(): Can't even open the default display");
return EGL_NO_DISPLAY;
}
+
if (!eglInitialize(dpy, NULL, NULL)) {
- qWarning() << "QEglContext::defaultDisplay(): Cannot initialize EGL display:" << errorString(eglGetError());
+ qWarning() << "QEglContext::display(): Cannot initialize EGL display:" << errorString(eglGetError());
return EGL_NO_DISPLAY;
}
-#ifdef EGL_OPENGL_ES_API
- eglBindAPI(EGL_OPENGL_ES_API);
-#endif
}
+
return dpy;
}
+#if !defined(Q_WS_X11) && !defined(Q_WS_WINCE) // WinCE & X11 implement this properly
+EGLNativeDisplayType QEglContext::nativeDisplay()
+{
+ return EGL_DEFAULT_DISPLAY;
+}
+#endif
+
// Return the error string associated with a specific code.
QString QEglContext::errorString(EGLint code)
{
@@ -410,10 +413,10 @@
{
QEglProperties props;
EGLint count = 0;
- if (!eglGetConfigs(dpy, 0, 0, &count) || count < 1)
+ if (!eglGetConfigs(display(), 0, 0, &count) || count < 1)
return;
EGLConfig *configs = new EGLConfig [count];
- eglGetConfigs(dpy, configs, count, &count);
+ eglGetConfigs(display(), configs, count, &count);
for (EGLint index = 0; index < count; ++index) {
props = configProperties(configs[index]);
qWarning() << props.toString();
@@ -423,7 +426,7 @@
QString QEglContext::extensions()
{
- const char* exts = eglQueryString(QEglContext::defaultDisplay(0), EGL_EXTENSIONS);
+ const char* exts = eglQueryString(QEglContext::display(), EGL_EXTENSIONS);
return QString(QLatin1String(exts));
}
@@ -431,7 +434,7 @@
{
QList<QByteArray> extensions =
QByteArray(reinterpret_cast<const char *>
- (eglQueryString(QEglContext::defaultDisplay(0), EGL_EXTENSIONS))).split(' ');
+ (eglQueryString(QEglContext::display(), EGL_EXTENSIONS))).split(' ');
return extensions.contains(extensionName);
}