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Add an extension to provide the ability to specify the LUID of the GPU adapter to use when using D3D11. Corresponding chromium CL: https://chromium-review.googlesource.com/c/chromium/src/+/2096778 Bug: chromium:792657 Change-Id: Iefebea221a4b7a20f150b445ae1adf375444726d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2096663 Commit-Queue: Rafael Cintron <rafael.cintron@microsoft.com> Reviewed-by: Zhenyao Mo <zmo@chromium.org>
89 lines
1.8 KiB
Plaintext
89 lines
1.8 KiB
Plaintext
Name
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ANGLE_platform_angle_d3d_luid
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Name Strings
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EGL_ANGLE_platform_angle_d3d_luid
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Contributors
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Patrick To, Microsoft
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Contacts
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Patrick To, Microsoft (patrto 'at' microsoft.com)
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Status
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Draft
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Version
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Version 1, 2020-04-30
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Number
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EGL Extension XXX
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Extension Type
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EGL client extension
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Dependencies
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Requires ANGLE_platform_angle_d3d.
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Overview
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This extension enables the selection of a graphics adapter to back D3D.
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New Types
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None
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New Procedures and Functions
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None
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New Tokens
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Accepted as an attribute name in the <attrib_list> argument of
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eglGetPlatformDisplayEXT:
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EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE 0x34A0
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EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE 0x34A1
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Additions to the EGL Specification
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None
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New Behavior
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To request a display that is backed by a specific graphics adapter,
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EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE and/or
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EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE should be set to the high part and low
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part of the adapter's LUID. If only one attribute is specified, the other is
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assumed to be zero.
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If the high part and low part combined is zero, an EGL_BAD_ATTRIBUTE error
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is generated and EGL_NO_DISPLAY is returned.
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If the LUID specified doesn't match any adapters on the system, the default
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adapter is used.
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If EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE and/or
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EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE is included in the <attrib_list>
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argument of eglGetPlatformDisplayEXT and EGL_PLATFORM_ANGLE_TYPE_ANGLE is
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not set to EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, an EGL_BAD_ATTRIBUTE error
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is generated and EGL_NO_DISPLAY is returned.
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Issues
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None
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Revision History
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Version 1, 2020-04-30 (Patrick To)
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- Initial draft
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