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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/angle
 Path: blob/main_old/extensions/ANGLE_multiview_multisample.txt
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Name

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    ANGLE_multiview_multisample

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Name Strings

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    GL_ANGLE_multiview_multisample

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Contributors

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    Olli Etuaho, NVIDIA Corporation

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Contact

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    Olli Etuaho (oetuaho 'at' nvidia.com)

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Status

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    Incomplete

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Version

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    Last Modified Date: September 12, 2018

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    Author Revision: 1

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Number

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    OpenGL ES Extension XX

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Dependencies

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    OpenGL ES 3.0 and the extensions ANGLE_texture_multisample, OVR_multiview2

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    and OES_texture_storage_multisample_2d_array are required.

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    With OpenGL ES 3.1, only the extensions ANGLE_multiview and

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    OES_texture_storage_multisample_2d_array are required.

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Overview

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    This extension enhances the functionality introduced in ANGLE_multiview by

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    enabling rendering into multisample texture arrays in addition to regular

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    non-multisampled texture arrays.

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IP Status

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    No known IP claims.

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New Tokens

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    None

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New Procedures and Functions

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    None

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Additions to Chapter 4 of the OpenGL ES 3.0 Specification

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(Per-Fragment Operations and the Framebuffer)

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    Modify section 4.4.2 (Attaching Images to Framebuffer Objects), p. 202

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    Add the following bullet point:

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    "* Layers of a two-dimensional multisample array texture which can be used

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       for multi-view rendering."

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    Modify the error list of FramebufferTextureMultiviewOVR:

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    Change

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    "An INVALID_OPERATION error is generated if texture is not zero,

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    and does not name an existing texture object of type TEXTURE_2D_ARRAY."

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    to

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    "An INVALID_OPERATION error is generated if texture is not zero,

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    and does not name an existing texture object of type TEXTURE_2D_ARRAY or

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    TEXTURE_2D_MULTISAMPLE_ARRAY_OES."

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    Modify section 4.4.4.1 (Framebuffer Attachment Completeness), p. 213

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    Change the bullet point about num_views and base_view_index:

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    "If the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE is TEXTURE and

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    the value of FRAMEBUFFER_ATTACHMENT_OBJECT_NAME names a two-dimensional

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    array texture or a two-dimensional multisample array texture, then the sum

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    of FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_ANGLE and

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    FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_ANGLE must be less than the

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    number of layers in the texture."

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Additions to the AGL/EGL/GLX/WGL Specifications

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    None

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Errors

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    None

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Issues

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