r300: fix regression introduced in 1d5a06a1f7812c055db1d724e40d21a0e3686dd1

Spotted by Dave Airlie

diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 6f66e970e488234a9b272efc5047abb8b497c82e..3ed49a85c5bd546328030055d69f3743a418ed2e 100644 (file)
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -439,7 +439,7 @@ static void r300InitGLExtensions(GLcontext *ctx)
        if (r300->options.stencil_two_side_disabled)
                _mesa_disable_extension(ctx, "GL_EXT_stencil_two_side");
 
-       if (r300->options.s3tc_force_enabled) {
+       if (ctx->Mesa_DXTn || r300->options.s3tc_force_enabled) {
                _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
                _mesa_enable_extension(ctx, "GL_S3_s3tc");
        } else if (r300->options.s3tc_force_disabled) {