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Only flush and set the depth test bits if depth is currently enabled already. (#1375)

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This removes a bug where you could blow away the options set in a previous call to setState() which can enabled/disable depth testing.
This commit is contained in:
Bill Freist
2018-04-16 22:04:49 -07:00
committed by Branimir Karadžić
parent 7541625df4
commit d6777a8887
1 changed files with 6 additions and 3 deletions
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9
examples/common/debugdraw/debugdraw.cpp
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@@ -1087,10 +1087,13 @@ struct DebugDrawEncoderImpl
if (m_depthTestLess != _depthTestLess)
{
m_depthTestLess = _depthTestLess;
flush();
Attrib& attrib = m_attrib[m_stack];
attrib.m_state &= ~BGFX_STATE_DEPTH_TEST_MASK;
attrib.m_state |= _depthTestLess ? BGFX_STATE_DEPTH_TEST_LESS : BGFX_STATE_DEPTH_TEST_GREATER;
if (attrib.m_state & BGFX_STATE_DEPTH_TEST_MASK)
{
flush();
attrib.m_state &= ~BGFX_STATE_DEPTH_TEST_MASK;
attrib.m_state |= _depthTestLess ? BGFX_STATE_DEPTH_TEST_LESS : BGFX_STATE_DEPTH_TEST_GREATER;
}
}
}