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OGL: Remove support for NV_depth_buffer_float.

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We can't clamp the depth values to the 24-bit range while this extension is active.
This commit is contained in:
Jules Blok
2017-03-14 01:02:13 +01:00
parent f0c2bae778
commit 0a2b58c896
10 changed files with 22 additions and 48 deletions
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28
Source/Core/VideoCommon/RenderBase.cpp
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@ -933,25 +933,15 @@ bool Renderer::UseVertexDepthRange() const
if (!g_ActiveConfig.backend_info.bSupportsDepthClamp)
return false;
const bool ztexture_enabled = bpmem.ztex2.type != ZTEXTURE_DISABLE && !bpmem.zcontrol.early_ztest;
// We need a full depth range if a ztexture is used.
if (bpmem.ztex2.type != ZTEXTURE_DISABLE && !bpmem.zcontrol.early_ztest)
return true;
if (g_ActiveConfig.backend_info.bSupportsOversizedDepthRanges)
{
// We support oversized depth ranges, but we need a full depth range if a ztexture is used.
return ztexture_enabled;
}
else
{
// We need a full depth range if a ztexture is used.
if (ztexture_enabled)
return true;
// If an inverted depth range is unsupported, we also need to check if the range is inverted.
if (!g_ActiveConfig.backend_info.bSupportsReversedDepthRange && xfmem.viewport.zRange < 0.0f)
return true;
// If an inverted depth range is unsupported, we also need to check if the range is inverted.
if (!g_ActiveConfig.backend_info.bSupportsReversedDepthRange && xfmem.viewport.zRange < 0.0f)
return true;
// If an oversized depth range or a ztexture is used, we need to calculate the depth range
// in the vertex shader.
return fabs(xfmem.viewport.zRange) > 16777215.0f || fabs(xfmem.viewport.farZ) > 16777215.0f;
}
// If an oversized depth range or a ztexture is used, we need to calculate the depth range
// in the vertex shader.
return fabs(xfmem.viewport.zRange) > 16777215.0f || fabs(xfmem.viewport.farZ) > 16777215.0f;
}