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D3D11: Don't use Intel extensions on Win7. Issue #1460.

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This commit is contained in:
Branimir Karadžić
2018-08-20 05:19:09 -07:00
parent b5838bd861
commit fb4ae811d6
1 changed files with 20 additions and 17 deletions
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37
src/renderer_d3d11.cpp
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@@ -519,30 +519,33 @@ namespace bgfx { namespace d3d11
static BX_NO_INLINE bool getIntelExtensions(ID3D11Device* _device)
{
uint8_t temp[28];
bx::StaticMemoryBlockWriter writer(&temp, sizeof(temp) );
bx::write(&writer, "INTCEXTNCAPSFUNC", 16);
bx::write(&writer, kIntelExtensionInterfaceVersion);
bx::write(&writer, UINT32_C(0) );
bx::write(&writer, UINT32_C(0) );
if (SUCCEEDED(setIntelExtension(_device, temp, sizeof(temp) ) ) )
if (windowsVersionIs(Condition::GreaterEqual, 0x0604) )
{
bx::MemoryReader reader(&temp, sizeof(temp) );
bx::skip(&reader, 16);
uint8_t temp[28];
uint32_t version;
bx::read(&reader, version);
bx::StaticMemoryBlockWriter writer(&temp, sizeof(temp) );
bx::write(&writer, "INTCEXTNCAPSFUNC", 16);
bx::write(&writer, kIntelExtensionInterfaceVersion);
bx::write(&writer, UINT32_C(0) );
bx::write(&writer, UINT32_C(0) );
uint32_t driverVersion;
bx::read(&reader, driverVersion);
if (SUCCEEDED(setIntelExtension(_device, temp, sizeof(temp) ) ) )
{
bx::MemoryReader reader(&temp, sizeof(temp) );
bx::skip(&reader, 16);
return version <= driverVersion;
uint32_t version;
bx::read(&reader, version);
uint32_t driverVersion;
bx::read(&reader, driverVersion);
return version <= driverVersion;
}
}
return false;
};
}
void resume(ID3D11Device* _device)
{