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The int filter has precision issues when used with depth textures, causing failures in tests like piglit spec@arb_depth_texture@fbo-depth-gl_depth_component16-drawpixels. In addition to that the texture compare unit for GL_ARB_shadow operations seems to be only implemented in the float filter pipe, so this change also fixes this functionality on GPUs where it isn't emulated, e.g. GC3000. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com> Part-of: <!28218>
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