summaryrefslogtreecommitdiffstats
path: root/src/opengl/qglextensions.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/opengl/qglextensions.cpp')
-rw-r--r--src/opengl/qglextensions.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/opengl/qglextensions.cpp b/src/opengl/qglextensions.cpp
index c091191..433ccae 100644
--- a/src/opengl/qglextensions.cpp
+++ b/src/opengl/qglextensions.cpp
@@ -233,6 +233,10 @@ bool qt_resolve_glsl_extensions(QGLContext *ctx)
if (glCreateShader)
return true;
+ // Must at least have the FragmentShader extension to continue.
+ if (!(QGLExtensions::glExtensions() & QGLExtensions::FragmentShader))
+ return false;
+
glCreateShader = (_glCreateShader) ctx->getProcAddress(QLatin1String("glCreateShader"));
if (glCreateShader) {
glShaderSource = (_glShaderSource) ctx->getProcAddress(QLatin1String("glShaderSource"));