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Ad workaround for broken B5G6R5 format in Intel driver.

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This commit is contained in:
wolfbeast 2018-07-11 23:20:45 +02:00 • committed by Roy Tam
commit 801ed9ce01
3 changed files with 16 additions and 2 deletions
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5
gfx/angle/src/libANGLE/renderer/d3d/WorkaroundsD3D.h
View file

@ -67,6 +67,11 @@ struct WorkaroundsD3D
// Some drivers (NVIDIA) do not take into account the base level of the texture in the results
// of the HLSL GetDimensions builtin.
bool getDimensionsIgnoresBaseLevel = false;
// In the Intel driver, data with format DXGI_FORMAT_B5G6R5_UNORM will be parsed incorrectly.
// This workaroud will disable B5G6R5 support when it's Intel's driver. By default, we will
// use R8G8B8A8 as format.
bool disableB5G6R5Support = false;
// On some Intel drivers, HLSL's function texture.Load returns 0 when the parameter Location
// is negative, even if the sum of Offset and Location is in range. This may cause errors when

12
gfx/angle/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
View file

@ -896,11 +896,19 @@ void Renderer11::populateRenderer11DeviceCaps()
}
}
hr = mDevice->CheckFormatSupport(DXGI_FORMAT_B5G6R5_UNORM, &(mRenderer11DeviceCaps.B5G6R5support));
if (FAILED(hr))
if (getWorkarounds().disableB5G6R5Support)
{
mRenderer11DeviceCaps.B5G6R5support = 0;
}
else
{
hr = mDevice->CheckFormatSupport(DXGI_FORMAT_B5G6R5_UNORM,
&(mRenderer11DeviceCaps.B5G6R5support));
if (FAILED(hr))
{
mRenderer11DeviceCaps.B5G6R5support = 0;
}
}
hr = mDevice->CheckFormatSupport(DXGI_FORMAT_B4G4R4A4_UNORM, &(mRenderer11DeviceCaps.B4G4R4A4support));
if (FAILED(hr))

1
gfx/angle/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp
View file

@ -1541,6 +1541,7 @@ WorkaroundsD3D GenerateWorkarounds(const Renderer11DeviceCaps &deviceCaps,
workarounds.getDimensionsIgnoresBaseLevel = (adapterDesc.VendorId == VENDOR_ID_NVIDIA);
workarounds.preAddTexelFetchOffsets = (adapterDesc.VendorId == VENDOR_ID_INTEL);
workarounds.disableB5G6R5Support = (adapterDesc.VendorId == VENDOR_ID_INTEL);
return workarounds;
}