st/mesa: only define GLSL 1.4 for compat if driver supports it
Currently GLSL 1.4 is defined for all gallium drivers even only
GLSL 1.2 is supported as seen on etnaviv.
v1 -> v2:
- use _min(..) as suggested by Lucas Stach and Michel Dänzer
Fixes: 4560aad780
("mesa: add GLSLVersionCompat constant")
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
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@ -936,7 +936,7 @@ void st_init_extensions(struct pipe_screen *screen,
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/* Figure out GLSL support and set GLSLVersion to it. */
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consts->GLSLVersion = screen->get_param(screen, PIPE_CAP_GLSL_FEATURE_LEVEL);
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consts->GLSLVersionCompat = 140;
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consts->GLSLVersionCompat = _min(consts->GLSLVersion, 140);
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_mesa_override_glsl_version(consts);
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