[meta] Add default dxvk.conf

Fixes #1020.

dxvk.conf

@@ -0,0 +1,189 @@
+# Create the VkSurface on the first call to IDXGISwapChain::Present,
+# rather than when creating the swap chain. Some games that start
+# rendering with a different graphics API may require this option,
+# or otherwise the window may stay black.
+# 
+# Supported values: True, False
+
+# dxgi.deferSurfaceCreation = False
+
+
+# Enforce a stricter maximum frame latency. Overrides the application
+# setting specified by calling IDXGIDevice::SetMaximumFrameLatency.
+# Setting this to 0 will have no effect.
+# 
+# Supported values : 0 - 16
+
+# dxgi.maxFrameLatency = 0
+
+
+# Override PCI vendor and device IDs reported to the application. Can
+# cause the app to adjust behaviour depending on the selected values.
+#
+# Supported values: Any four-digit hex number.
+
+# dxgi.customDeviceId = 0000
+# dxgi.customVendorId = 0000
+
+
+# Report Nvidia GPUs as AMD GPUs by default. This is enabled by default
+# to work around issues with NVAPI, but may cause issues in some games.
+#
+# Supported values: True, False
+
+# dxgi.nvapiHack = True
+
+
+
+# Override maximum amount of device memory and shared system memory
+# reported to the application. This may fix texture streaming issues
+# in games that do not support cards with large amounts of VRAM.
+#
+# Supported values: Any number in Megabytes.
+
+# dxgi.maxDeviceMemory = 0
+# dxgi.maxSharedMemory = 0
+
+
+# Override back buffer count for the Vulkan swap chain.
+# Setting this to 0 or less will have no effect.
+#
+# Supported values: Any number greater than or equal to 2.
+
+# dxgi.numBackBuffers = 0
+
+
+# Overrides synchronization interval (Vsync) for presentation.
+# Setting this to 0 disables vertical synchronization entirely.
+# A positive value 'n' will enable Vsync and repeat the same
+# image n times, and a negative value will have no effect.
+#
+# Supported values: Any non-negative number
+
+# dxgi.syncInterval = -1
+
+
+# Enables or dsables d3d10 support.
+# 
+# Supported values: True, False
+
+# d3d10.enable = True
+
+
+# Handle D3D11_MAP_FLAG_DO_NOT_WAIT correctly when D3D11DeviceContext::Map()
+# is called. Enabling this can potentially improve performance, but breaks
+# games which do not expect Map() to return an error despite using the flag.
+# 
+# Supported values: True, False
+
+# d3d11.allowMapFlagNoWait = False
+
+
+# Performs range check on dynamically indexed constant buffers in shaders.
+# This may be needed to work around a certain type of game bug, but may
+# also introduce incorrect behaviour.
+#
+# Supported values: True, False
+
+# d3d11.constantBufferRangeCheck = False
+
+
+# Assume single-use mode for command lists created on deferred contexts.
+# This may need to be disabled for some applications to avoid rendering
+# issues, which may come at a significant performance cost.
+#
+# Supported values: True, False
+
+# d3d11.dcSingleUseMode = True
+
+
+# Override the maximum feature level that a D3D11 device can be created
+# with. Setting this to a higher value may allow some applications to run
+# that would otherwise fail to create a D3D11 device.
+#
+# Supported values: 9_1, 9_2, 9_3, 10_0, 10_1, 11_0, 11_1
+
+# d3d11.maxFeatureLevel = 11_1
+
+
+# Overrides the maximum allowed tessellation factor. This can be used to
+# improve performance in titles which overuse tessellation.
+# 
+# Supported values: Any number between 8 and 64
+
+# d3d11.maxTessFactor = 0
+
+
+# Enables relaxed pipeline barriers around UAV writes.
+# 
+# This may improve performance in some games, but may also introduce
+# rendering issues. Please don't report bugs with the option enabled.
+#
+# Supported values: True, False
+
+# d3d11.relaxedBarriers = False
+
+
+# Overrides anisotropic filtering for all samplers. Set this to a positive
+# value to enable AF for all samplers in the game, or to 0 in order to
+# disable AF entirely. Negative values will have no effect.
+# 
+# Supported values: Any number between 0 and 16
+
+# d3d11.samplerAnisotropy = -1
+
+
+# Enables SM4-compliant division-by-zero behaviour. Enabling may reduce
+# performance and / or cause issues in games that expect the default
+# behaviour of Windows drivers, which also is not SM4-compliant.
+#
+# Supported values: True, False
+
+# d3d11.strictDivision = False
+
+
+# Clears workgroup memory in compute shaders to zero. Some games don't do
+# this and rely on undefined behaviour. Enabling may reduce performance.
+#
+# Supported values: True, False
+
+# d3d11.zeroWorkgroupMemory = False
+
+
+# Sets number of pipeline compiler threads.
+# 
+# Supported values:
+# - 0 to automatically determine the number of threads to use
+# - any positive number to enforce the thread count
+
+# dxvk.numCompilerThreads = 0
+
+
+# Toggles raw SSBO usage.
+# 
+# Uses storage buffers to implement raw and structured buffer
+# views. Enabled by default on hardware which has a storage
+# buffer offset alignment requirement of 4 Bytes (e.g. AMD).
+# Enabling this may improve performance, but is not safe on
+# hardware with higher alignment requirements.
+# 
+# Supported values:
+# - Auto: Don't change the default
+# - True, False: Always enable / disable
+
+# dxvk.useRawSsbo = Auto
+
+
+# Toggles early discard.
+# 
+# Uses subgroup operations to determine whether it is safe to
+# discard fragments before the end of a fragment shader. This
+# is enabled by default on all drivers except RADV and Nvidia.
+# Enabling this may improve or degrade performance depending
+# on the game and hardware, or cause other issues.
+# 
+# Supported values:
+# - Auto: Don't change the default
+# - True, False: Always enable / disable
+
+# dxvk.useEarlyDiscard = Auto