angle/extensions/EGL_ANGLE_platform_angle_d3...

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Name
ANGLE_platform_angle_d3d_luid
Name Strings
EGL_ANGLE_platform_angle_d3d_luid
Contributors
Patrick To, Microsoft
Contacts
Patrick To, Microsoft (patrto 'at' microsoft.com)
Status
Draft
Version
Version 1, 2020-04-30
Number
EGL Extension XXX
Extension Type
EGL client extension
Dependencies
Requires ANGLE_platform_angle_d3d.
Overview
This extension enables the selection of a graphics adapter to back D3D.
New Types
None
New Procedures and Functions
None
New Tokens
Accepted as an attribute name in the <attrib_list> argument of
eglGetPlatformDisplayEXT:
EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE 0x34A0
EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE 0x34A1
Additions to the EGL Specification
None
New Behavior
To request a display that is backed by a specific graphics adapter,
EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE and/or
EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE should be set to the high part and low
part of the adapter's LUID. If only one attribute is specified, the other is
assumed to be zero.
If the high part and low part combined is zero, an EGL_BAD_ATTRIBUTE error
is generated and EGL_NO_DISPLAY is returned.
If the LUID specified doesn't match any adapters on the system, the default
adapter is used.
If EGL_PLATFORM_ANGLE_D3D_LUID_HIGH_ANGLE and/or
EGL_PLATFORM_ANGLE_D3D_LUID_LOW_ANGLE is included in the <attrib_list>
argument of eglGetPlatformDisplayEXT and EGL_PLATFORM_ANGLE_TYPE_ANGLE is
not set to EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, an EGL_BAD_ATTRIBUTE error
is generated and EGL_NO_DISPLAY is returned.
Issues
None
Revision History
Version 1, 2020-04-30 (Patrick To)
- Initial draft