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gl: Workaround for restrictive z range

This commit is contained in:
kd-11 2017-08-26 17:31:14 +03:00
parent 9a7ce2fd29
commit e76b6e3f27
1 changed files with 15 additions and 1 deletions
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16
rpcs3/Emu/RSX/GL/GLGSRender.cpp
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@ -187,6 +187,21 @@ void GLGSRender::begin()
if (gl_state.enable(rsx::method_registers.depth_test_enabled(), GL_DEPTH_TEST))
{
gl_state.depth_func(comparison_op(rsx::method_registers.depth_func()));
float range_near = rsx::method_registers.clip_min();
float range_far = rsx::method_registers.clip_max();
if (g_cfg.video.strict_rendering_mode)
gl_state.depth_range(range_near, range_far);
else
{
//Workaround to preserve depth precision but respect z direction
//Ni no Kuni sets a very restricted z range (0.9x - 1.) and depth reads / tests are broken
if (range_near <= range_far)
gl_state.depth_range(0.f, 1.f);
else
gl_state.depth_range(1.f, 0.f);
}
}
if (glDepthBoundsEXT && (gl_state.enable(rsx::method_registers.depth_bounds_test_enabled(), GL_DEPTH_BOUNDS_TEST_EXT)))
@ -194,7 +209,6 @@ void GLGSRender::begin()
gl_state.depth_bounds(rsx::method_registers.depth_bounds_min(), rsx::method_registers.depth_bounds_max());
}
gl_state.depth_range(rsx::method_registers.clip_min(), rsx::method_registers.clip_max());
gl_state.enable(rsx::method_registers.dither_enabled(), GL_DITHER);
if (gl_state.enable(rsx::method_registers.blend_enabled(), GL_BLEND))