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:
  Revert "Don't define highp/mediump/lowp if desktop GL has them"

3 files changed, 3 insertions, 13 deletions

diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 9e74e04..7f25887 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -5264,8 +5264,6 @@ QGLExtensions::Extensions QGLExtensions::currentContextExtensions()
         glExtensions |= FragmentShader;
     if (extensions.match("GL_ARB_shader_objects"))
         glExtensions |= FragmentShader;
-    if (extensions.match("GL_ARB_ES2_compatibility"))
-        glExtensions |= ES2Compatibility;
     if (extensions.match("GL_ARB_texture_mirrored_repeat"))
         glExtensions |= MirroredRepeat;
     if (extensions.match("GL_EXT_framebuffer_object"))
@@ -5286,7 +5284,6 @@ QGLExtensions::Extensions QGLExtensions::currentContextExtensions()
     glExtensions |= FramebufferObject;
     glExtensions |= GenerateMipmap;
     glExtensions |= FragmentShader;
-    glExtensions |= ES2Compatibility;
 #endif
 #if defined(QT_OPENGL_ES_1)
     if (extensions.match("GL_OES_framebuffer_object"))
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 623eeaf..387c8f7 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -284,8 +284,7 @@ public:
         DDSTextureCompression   = 0x00008000,
         ETC1TextureCompression  = 0x00010000,
         PVRTCTextureCompression = 0x00020000,
-        FragmentShader          = 0x00040000,
-        ES2Compatibility        = 0x00080000
+        FragmentShader          = 0x00040000
     };
     Q_DECLARE_FLAGS(Extensions, Extension)
 
diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp
index bc1c009..74382b0 100644
--- a/src/opengl/qglshaderprogram.cpp
+++ b/src/opengl/qglshaderprogram.cpp
@@ -97,10 +97,6 @@ QT_BEGIN_NAMESPACE
     to just features that are present in GLSL/ES, and avoid
     standard variable names that only work on the desktop.
 
-    If the \c{GL_ARB_ES2_compatibility} extension is present,
-    then the above prefix is not added because the desktop OpenGL
-    implementation supports precision qualifiers.
-
     \section1 Simple shader example
 
     \snippet doc/src/snippets/code/src_opengl_qglshaderprogram.cpp 1
@@ -398,10 +394,8 @@ bool QGLShader::compileSourceCode(const char *source)
             srclen.append(GLint(headerLen));
         }
 #ifdef QGL_DEFINE_QUALIFIERS
-        if (!(QGLExtensions::glExtensions() & QGLExtensions::ES2Compatibility)) {
-            src.append(qualifierDefines);
-            srclen.append(GLint(sizeof(qualifierDefines) - 1));
-        }
+        src.append(qualifierDefines);
+        srclen.append(GLint(sizeof(qualifierDefines) - 1));
 #endif
 #ifdef QGL_REDEFINE_HIGHP
         if (d->shaderType == Fragment) {