st/mesa: only require ESSL 3.1 for geometry shaders

According to the OES_geometry_shader spec, section Dependencies:

   "OpenGL ES 3.1 and OpenGL ES Shading Language 3.10
    are required."

Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 12a1fabe62083d83705b0abfce6d6b0ad4d6c7d2..ba912d35be897bd374d376b2929784457dd7258f 100644 (file)
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -1174,7 +1174,7 @@ void st_init_extensions(struct pipe_screen *screen,
     * invocations of a geometry shader. There is no separate cap for that, so
     * we check the GLSLVersion.
     */
-   if ((GLSLVersion >= 400 || ESSLVersion >= 320) &&
+   if ((GLSLVersion >= 400 || ESSLVersion >= 310) &&
        screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY,
                                 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
       extensions->OES_geometry_shader = GL_TRUE;