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Mir: Enable workaround for missing precision qualifiers.

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This change enables the workaround for missing precision qualifiers when
running in the emulator. The same workaround is already applied to the
Android plugin (9eeb1bd).

Change-Id: I46ca344f71a48c9586bd8f491e56a1a814ee7ab6
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>
This commit is contained in:
Christian Strømme 2015-09-15 16:33:05 +02:00 committed by Christian Stromme
parent e287e17e45
commit 0d3464428e
1 changed files with 10 additions and 0 deletions
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10
src/plugins/platforms/mirclient/qmirclientglcontext.cpp
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@ -39,6 +39,7 @@
#include "qmirclientwindow.h"
#include "qmirclientlogging.h"
#include <QtPlatformSupport/private/qeglconvenience_p.h>
#include <QtGui/private/qopenglcontext_p.h>
#if !defined(QT_NO_DEBUG)
static void printOpenGLESConfig() {
@ -103,6 +104,15 @@ bool QMirClientOpenGLContext::makeCurrent(QPlatformSurface* surface)
ASSERT(eglMakeCurrent(mEglDisplay, eglSurface, eglSurface, mEglContext) == EGL_TRUE);
printOpenGLESConfig();
#endif
// When running on the emulator, shaders will be compiled using a thin wrapper around the desktop drivers.
// These wrappers might not support the precision qualifiers, so set the workaround flag to true.
const char *rendererString = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
if (rendererString != 0 && qstrncmp(rendererString, "Android Emulator", 16) == 0) {
QOpenGLContextPrivate *ctx_d = QOpenGLContextPrivate::get(context());
ctx_d->workaround_missingPrecisionQualifiers = true;
}
return true;
}