Mesa (master): docs: document zink GL 4.6 requirements

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Module: Mesa
Branch: master
Commit: 5deac5c1565b056ac8967851a76cd5e81cc07d80
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5deac5c1565b056ac8967851a76cd5e81cc07d80

Author: Erik Faye-Lund <erik.faye-lund at collabora.com>
Date:   Mon Mar 15 17:44:13 2021 +0100

docs: document zink GL 4.6 requirements

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9602>

---

 docs/drivers/zink.rst | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/docs/drivers/zink.rst b/docs/drivers/zink.rst
index 4c13ed4caf1..7bcc852d446 100644
--- a/docs/drivers/zink.rst
+++ b/docs/drivers/zink.rst
@@ -190,6 +190,20 @@ are required to be supported
 
 * ``shaderCullDistance``
 
+OpenGL 4.6
+^^^^^^^^^^
+
+For OpenGL 4.6 support, the following additional ``VkPhysicalDeviceFeatures``
+are required to be supported
+
+* ``VkPhysicalDeviceFeatures``:
+
+  * ``samplerAnisotropy``
+
+* Device extensions:
+
+  * `VK_KHR_draw_indirect_count`_
+
 Debugging
 ---------
 
@@ -239,3 +253,4 @@ questions, don't hesitate to visit `#zink on FreeNode
 .. _VK_KHR_maintenance2: https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VK_KHR_maintenance2.html
 .. _VK_KHR_vulkan_memory_model: https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VK_KHR_vulkan_memory_model.html
 .. _VK_KHR_shader_draw_parameters: https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VK_KHR_shader_draw_parameters.html
+.. _VK_KHR_draw_indirect_count: https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VK_KHR_draw_indirect_count.html