Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
  Fix project file generation for MSVC 2010
  Fix wrong translation and clip for the raster paint-engine on Mac
  Return the correct library name in qt_gl_library_name for GLES*
  qmake: remove useless evaluation of variables from VS project generators
  Fix QT_NO_LIBRARY
  Documentation for the Elastic Nodes example.
  qmake: fix duplicate linker options in VS project files
  Ensured that WA_InputMethodEnabled was set before FocusInEvent was sent.
  qmake: fix duplicate compiler options in VS project files
  Documentation for the Drag and Drop Robot example.
  Fix crash in styles example when running with opengl graphicssystem
  Fixed the sizehint for cols/rows in qtableview
  QUrl: parsing of host name with an undercore.
  Null pointer check
  Revert "Try to use multisampled opengl graphicssystem on all platforms"
  A small mistake when comparing the flag.
  Add unit tests covering most of QVector's API.
  Fix crash when CoreText fails to shape text for us
  Fix crash when using opengl graphicssystem on desktop
  Revert "Revert "Implement heightForWidth support for QTabWidget and QStackedLayout.""

5 files changed, 29 insertions, 19 deletions

diff --git a/src/opengl/gl2paintengineex/qglengineshadersource_p.h b/src/opengl/gl2paintengineex/qglengineshadersource_p.h
index 3379296..8dba951 100644
--- a/src/opengl/gl2paintengineex/qglengineshadersource_p.h
+++ b/src/opengl/gl2paintengineex/qglengineshadersource_p.h
@@ -282,7 +282,7 @@ static const char* const qglslPositionWithTextureBrushVertexShader = "\n\
     uniform   mediump vec2      halfViewportSize; \n\
     uniform   highp   vec2      invertedTextureSize; \n\
     uniform   highp   mat3      brushTransform; \n\
-    varying   highp   vec2      textureCoords; \n\
+    varying   highp   vec2      brushTextureCoords; \n\
     void setPosition(void) \n\
     { \n\
         highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\
@@ -292,7 +292,7 @@ static const char* const qglslPositionWithTextureBrushVertexShader = "\n\
         mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \n\
         mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \n\
         gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \n\
-        textureCoords.xy = (hTexCoords.xy * invertedTextureSize) * gl_Position.w; \n\
+        brushTextureCoords.xy = (hTexCoords.xy * invertedTextureSize) * gl_Position.w; \n\
     }\n";
 
 static const char* const qglslAffinePositionWithTextureBrushVertexShader
@@ -303,28 +303,28 @@ static const char* const qglslAffinePositionWithTextureBrushVertexShader
 // we emulate GL_REPEAT by only taking the fractional part of the texture coords.
 // TODO: Special case POT textures which don't need this emulation
 static const char* const qglslTextureBrushSrcFragmentShader = "\n\
-    varying highp   vec2      textureCoords; \n\
+    varying highp   vec2      brushTextureCoords; \n\
     uniform lowp    sampler2D brushTexture; \n\
     lowp vec4 srcPixel() { \n\
-        return texture2D(brushTexture, fract(textureCoords)); \n\
+        return texture2D(brushTexture, fract(brushTextureCoords)); \n\
     }\n";
 #else
 static const char* const qglslTextureBrushSrcFragmentShader = "\n\
-    varying   highp   vec2      textureCoords; \n\
+    varying   highp   vec2      brushTextureCoords; \n\
     uniform   lowp    sampler2D brushTexture; \n\
     lowp vec4 srcPixel() \n\
     { \n\
-        return texture2D(brushTexture, textureCoords); \n\
+        return texture2D(brushTexture, brushTextureCoords); \n\
     }\n";
 #endif
 
 static const char* const qglslTextureBrushSrcWithPatternFragmentShader = "\n\
-    varying   highp   vec2      textureCoords; \n\
+    varying   highp   vec2      brushTextureCoords; \n\
     uniform   lowp    vec4      patternColor; \n\
     uniform   lowp    sampler2D brushTexture; \n\
     lowp vec4 srcPixel() \n\
     { \n\
-        return patternColor * (1.0 - texture2D(brushTexture, textureCoords).r); \n\
+        return patternColor * (1.0 - texture2D(brushTexture, brushTextureCoords).r); \n\
     }\n";
 
 // Solid Fill Brush
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 8460430..4461358 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -1337,9 +1337,12 @@ void QGL2PaintEngineEx::drawStaticTextItem(QStaticTextItem *textItem)
     d->drawCachedGlyphs(glyphType, textItem, true);
 }
 
-void QGL2PaintEngineEx::drawTexture(const QRectF &dest, GLuint textureId, const QSize &size, const QRectF &src)
+bool QGL2PaintEngineEx::drawTexture(const QRectF &dest, GLuint textureId, const QSize &size, const QRectF &src)
 {
     Q_D(QGL2PaintEngineEx);
+    if (!d->shaderManager)
+        return false;
+
     ensureActive();
     d->transferMode(ImageDrawingMode);
 
@@ -1354,6 +1357,7 @@ void QGL2PaintEngineEx::drawTexture(const QRectF &dest, GLuint textureId, const
     d->updateTextureFilter(GL_TEXTURE_2D, GL_CLAMP_TO_EDGE,
                            state()->renderHints & QPainter::SmoothPixmapTransform, textureId);
     d->drawTexture(dest, srcRect, size, false);
+    return true;
 }
 
 void QGL2PaintEngineEx::drawTextItem(const QPointF &p, const QTextItem &textItem)
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index 30f6634..6ba0c42 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -123,7 +123,6 @@ public:
     virtual void renderHintsChanged();
     virtual void transformChanged();
 
-    virtual void drawTexture(const QRectF &r, GLuint textureId, const QSize &size, const QRectF &sr);
     virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
     virtual void drawPixmapFragments(const QPainter::PixmapFragment *fragments, int fragmentCount, const QPixmap &pixmap,
                                      QPainter::PixmapFragmentHints hints);
@@ -136,6 +135,8 @@ public:
 
     virtual void drawStaticTextItem(QStaticTextItem *textItem);
 
+    bool drawTexture(const QRectF &r, GLuint textureId, const QSize &size, const QRectF &sr);
+
     Type type() const { return OpenGL2; }
 
     virtual void setState(QPainterState *s);
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index bf77eda..7abf4bc 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -2782,8 +2782,8 @@ void QGLContext::drawTexture(const QRectF &target, GLuint textureId, GLenum text
          if (!eng->isNativePaintingActive()) {
             QRectF src(0, 0, target.width(), target.height());
             QSize size(target.width(), target.height());
-            eng->drawTexture(target, textureId, size, src);
-            return;
+            if (eng->drawTexture(target, textureId, size, src))
+                return;
         }
      }
 
@@ -2858,8 +2858,8 @@ void QGLContext::drawTexture(const QPointF &point, GLuint textureId, GLenum text
             QRectF dest(point, QSizeF(textureWidth, textureHeight));
             QRectF src(0, 0, textureWidth, textureHeight);
             QSize size(textureWidth, textureHeight);
-            eng->drawTexture(dest, textureId, size, src);
-            return;
+            if (eng->drawTexture(dest, textureId, size, src))
+                return;
         }
     }
 
@@ -5169,11 +5169,17 @@ Q_OPENGL_EXPORT void qt_set_gl_library_name(const QString& name)
 Q_OPENGL_EXPORT const QString qt_gl_library_name()
 {
     if (qt_gl_lib_name()->isNull()) {
-#if defined(Q_WS_X11) || defined(Q_WS_QWS)
-        return QLatin1String("GL");
-#else // Q_WS_MAC
+#ifdef Q_WS_MAC
         return QLatin1String("/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib");
-#endif
+#else
+# if defined(QT_OPENGL_ES_1)
+        return QLatin1String("GLES_CM");
+# elif defined(QT_OPENGL_ES_2)
+        return QLatin1String("GLESv2");
+# else
+        return QLatin1String("GL");
+# endif
+#endif // defined Q_WS_MAC
     }
     return *qt_gl_lib_name();
 }
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index 92a347b..7efa9bc 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -97,7 +97,6 @@ extern Q_GUI_EXPORT bool qt_win_owndc_required;
 QGLGraphicsSystem::QGLGraphicsSystem(bool useX11GL)
     : QGraphicsSystem(), m_useX11GL(useX11GL)
 {
-    QGLWindowSurface::surfaceFormat.setSampleBuffers(true);
 #if defined(Q_WS_X11) && !defined(QT_OPENGL_ES)
     // only override the system defaults if the user hasn't already
     // picked a visual