diff options
Diffstat (limited to 'src/opengl/qglshaderprogram.cpp')
| -rw-r--r-- | src/opengl/qglshaderprogram.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp index 74382b0..bc1c009 100644 --- a/src/opengl/qglshaderprogram.cpp +++ b/src/opengl/qglshaderprogram.cpp @@ -97,6 +97,10 @@ 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 @@ -394,8 +398,10 @@ bool QGLShader::compileSourceCode(const char *source) srclen.append(GLint(headerLen)); } #ifdef QGL_DEFINE_QUALIFIERS - src.append(qualifierDefines); - srclen.append(GLint(sizeof(qualifierDefines) - 1)); + if (!(QGLExtensions::glExtensions() & QGLExtensions::ES2Compatibility)) { + src.append(qualifierDefines); + srclen.append(GLint(sizeof(qualifierDefines) - 1)); + } #endif #ifdef QGL_REDEFINE_HIGHP if (d->shaderType == Fragment) { |