Mesa (master): docs: add basic docs for d3d12 driver
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Fri Nov 20 09:14:39 UTC 2020
Module: Mesa
Branch: master
Commit: c08144b8ba0502a41ba571d7ead54d8cd5446cdf
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c08144b8ba0502a41ba571d7ead54d8cd5446cdf
Author: Erik Faye-Lund <erik.faye-lund at collabora.com>
Date: Thu Nov 19 12:54:19 2020 +0100
docs: add basic docs for d3d12 driver
Reviewed-by: Jesse Natalie <jenatali at microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7687>
---
docs/contents.rst | 1 +
docs/drivers/d3d12.rst | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 50 insertions(+)
diff --git a/docs/contents.rst b/docs/contents.rst
index 5f2d0309690..cc578d4adc6 100644
--- a/docs/contents.rst
+++ b/docs/contents.rst
@@ -50,6 +50,7 @@
:caption: Drivers
:hidden:
+ drivers/d3d12
drivers/freedreno
drivers/llvmpipe
drivers/openswr
diff --git a/docs/drivers/d3d12.rst b/docs/drivers/d3d12.rst
new file mode 100644
index 00000000000..aa03481055a
--- /dev/null
+++ b/docs/drivers/d3d12.rst
@@ -0,0 +1,49 @@
+D3D12
+=====
+
+Overview
+--------
+
+The D3D12 driver is a Gallium driver that emits API calls for Microsoft's
+:abbr:`D3D12 (Direct3D 12)` API instead of targeting a specific GPU
+architecture. This can be used to get full desktop OpenGL 3.3 support on
+devices that only support D3D12.
+
+Debugging
+---------
+
+There's a few tools that are useful for debugging D3D12, such as these
+environment variables:
+
+.. envvar:: D3D12_DEBUG <flags> ("")
+
+``verbose``
+ Enable verbose output to stdout
+``blit``
+ Trace blit and copy resource calls
+``experimental``
+ Enable experimental shader models feature
+``dxil``
+ Dump DXIL during program compile
+``disass``
+ Dump disassambly of created DXIL shader
+``res``
+ Debug resources
+``debuglayer``
+ Enable `debug layer`_
+``gpuvalidator``
+ Enable `GPU validator`_
+
+.. envvar:: DXIL_DEBUG <flags> ("")
+
+``verbose``
+ Enable verbose output to stdout
+``dump_blob``
+ Write shader blobs
+``trace``
+ Trace instruction conversion
+``dump_module``
+ dump module tree to stderr
+
+.. _debug layer: https://docs.microsoft.com/en-us/windows/win32/direct3d12/understanding-the-d3d12-debug-layer
+.. _GPU validator: https://docs.microsoft.com/en-us/windows/win32/direct3d12/using-d3d12-debug-layer-gpu-based-validation
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