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-rw-r--r--mesalib/src/mesa/main/version.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/version.c b/mesalib/src/mesa/main/version.c
index cfaf4bbda..91234e4d7 100644
--- a/mesalib/src/mesa/main/version.c
+++ b/mesalib/src/mesa/main/version.c
@@ -345,6 +345,12 @@ _mesa_compute_version(struct gl_context *ctx)
switch (ctx->API) {
case API_OPENGL_COMPAT:
+ /* Disable GLSL 1.40 and later for legacy contexts.
+ * This disallows creation of the GL 3.1 compatibility context. */
+ if (ctx->Const.GLSLVersion > 130) {
+ ctx->Const.GLSLVersion = 130;
+ }
+ /* fall through */
case API_OPENGL_CORE:
compute_version(ctx);
break;