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* Update release number to 79.
Public Issues:
* Add a note to the <<features-required-format-support, Required Format
Support>> section clarifying that the required formats don't depend on
the used flags (public issue 671).
* Add a valid usage statement for flink:vkUpdateDescriptors that was
previously described for slink:VkImageSubresourceRange, but not as a
valid usage statement (public issue 713).
* Modify implicit valid usage generator script to not emit 'must: not be
0' for a parameter that is a pointer to a flags field, such as
pname:pPeerMemoryFeatures (public issue 729).
Internal Issues:
* Add definitions of "`obsoleted`" and "`deprecated`", and modify the
definition of "`promoted`" in the <<glossary, Glossary>> (internal issue
988).
* Add language for integer texel output conversions (the conversion is
undefined) to the <<textures-output-format-conversion]] Texel Output
Format Conversion>> section. Simplify and clarify the floating-point
conversion language in the <<fundamentals-general, General
Requirements>> section and the new <<fundamentals-fp-conversion,
Floating-Point Format Conversions>> section, and remove obsolete
language in the format-specific floating-point sections (internal issue
1275).
* Add the elink:VkVendorId enumerated type to the Vulkan API / XML /
header, so reserved Khronos vendor IDs can be referred to symbolically
by clients. Note that only Khronos vendor IDs (e.g. non-PCI vendor IDs)
are defined (internal issue 1299).
* Fix typo in the <<fig-non-strict-lines, Non strict lines>> table
(internal issue 1315).
* Clean up and simplify the
<<features-formats-requiring-sampler-ycbcr-conversion, YCbCr format
properties>> table and use symbols consistently with other tables. Add a
column for the number of planes.
* Add code:Float16 to the <<spirvenv-capabilities-table, List of optional
SPIR-V capabilities>> for the `VK_AMD_gpu_shader_half_float` extension.
36 lines
1.2 KiB
Plaintext
Executable File
36 lines
1.2 KiB
Plaintext
Executable File
include::meta/VK_AMD_negative_viewport_height.txt[]
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*Last Modified Date*::
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2016-09-02
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*IP Status*::
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No known IP claims.
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*Contributors*::
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- Matthaeus G. Chajdas, AMD
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- Graham Sellers, AMD
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- Baldur Karlsson
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*Interactions and External Dependencies*::
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- Obsoleted by `VK_KHR_maintenance1`
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- Obsoleted by Vulkan 1.1
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This extension allows an application to specify a negative viewport height.
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The result is that the viewport transformation will flip along the y-axis.
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* Allow negative height to be specified in the
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slink:VkViewport::pname:height field to perform y-inversion of the
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clip-space to framebuffer-space transform.
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This allows apps to avoid having to use `gl_Position.y = -gl_Position.y`
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in shaders also targeting other APIs.
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=== Obsoletion by VK_KHR_maintenance1 and Vulkan 1.1
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Functionality in this extension is included in `VK_KHR_maintenance1` and
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Vulkan 1.1.
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Due to some slight behavioral differences, this extension must: not be
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enabled alongside `VK_KHR_maintenance1`, or in an instance created with
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version 1.1 or later requested in slink:VkApplicationInfo::pname:apiVersion.
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=== Version History
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* Revision 1, 2016-09-02 (Matthaeus Chajdas)
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- Initial draft
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