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* Bump API patch number and header version number to 61 for this update.
Github Issues:
* Provide alternate length attributes (altlen=) in the XML schema, for
those using length attributes to generate code instead of documentation
(public issue 555).
* Fix erroneous references to `latex:` being used for asciidoc math
markup, rather than `latexmath:` (public pull request 556).
* Add author ID to XML for Kazan software renderer (public pull request
557).
Internal Issues:
* Add the <<fundamentals-abi,Application Binary Interface>> section
describing platform ABI requirements and recommendations, add examples
of function and function pointer declarations to the
<<boilerplate-platform-specific-calling-conventions, Platform-Specific
Calling Conventions>> section, and remove related language that existed
elsewhere in the specification (internal issue 64).
* Describe where to document valid usage interactions of chained
structures in the style guide, and fix one case now appearing in
slink:VkBufferCreateInfo instead of the child
slink:VkDedicatedAllocationBufferCreateInfoNV structure (internal issue
715).
* Add example to the style guide of describing enumerated types which are
empty when the spec is built without relevant extensions enabled, and
apply it to existing examples for
elink:VkDescriptorSetLayoutCreateFlagBits and
elink:VkSubpassDescriptionFlagBits (internal issue 864).
* Add a note to the <<fundamentals-validusage-enums, Valid Usage for
Enumerated Types>> section that the special values suffixed with
etext:_BEGIN_RANGE, etext:_END_RANGE, etext:_RANGE_SIZE and
etext:_MAX_ENUM are not part of the API and should: not be used by
applications (internal issue 872).
* Added note to flink:vkCmdUpdateBuffers explaining the performance
penalty for copies done in this way, and why the upper copy limit is
what it is (internal issue 952).
* Update `VK_KHX_device_group` to split some functionality into the new
`VK_KHR_bind_memory2` extension, and rename that functionality (internal
issue 969).
* Remove *Status* fields from extension appendices, since they are by
definition published and complete by the time they reach the public
github repository (internal issue 973).
Other Issues:
* Update Data Format specification dependency to version 1.2 and change
references to DF sections accordingly.
* Update XML to make the pname:pAllocator parameter of
flink:vkRegisterDeviceEventEXT and flink:vkRegisterDisplayEventEXT in
the `VK_EXT_display_control` extension as optional.
New Extensions:
* `VK_KHR_bind_memory2`
* `VK_KHR_image_format_list`
* `VK_KHR_maintenance2`
* `VK_KHR_sampler_ycbcr_conversion`
65 lines
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65 lines
1.8 KiB
Plaintext
include::meta/VK_EXT_discard_rectangles.txt[]
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*Last Modified Date*::
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2016-12-22
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*Contributors*::
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- Daniel Koch, NVIDIA
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- Jeff Bolz, NVIDIA
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This extension provides additional orthogonally aligned "discard rectangles"
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specified in framebuffer-space coordinates that restrict rasterization of
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all points, lines and triangles.
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From zero to an implementation-dependent limit (specified by
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pname:maxDiscardRectangles) number of discard rectangles can be operational
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at once.
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When one or more discard rectangles are active, rasterized fragments can
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either survive if the fragment is within any of the operational discard
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rectangles (ename:VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT mode) or be
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rejected if the fragment is within any of the operational discard rectangles
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(ename:VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT mode).
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These discard rectangles operate orthogonally to the existing scissor test
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functionality.
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If the VK_KHX_device_group extension is enabled the discard rectangles can
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be different for each physical device in the device group by specifying the
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device mask and setting discard rectangle dynamic state.
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=== New Object Types
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None.
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=== New Enum Constants
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* Extending elink:VkStructureType:
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** ename:VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DISCARD_RECTANGLE_PROPERTIES_EXT
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** ename:VK_STRUCTURE_TYPE_PIPELINE_DISCARD_RECTANGLE_STATE_CREATE_INFO_EXT
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* Extending elink:VkDynamicState
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** ename:VK_DYNAMIC_STATE_DISCARD_RECTANGLE_EXT
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=== New Enums
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* elink:VkPipelineDiscardRectangleStateCreateFlagsEXT
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* elink:VkDiscardRectangleModeEXT
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=== New Structures
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* slink:VkPhysicalDeviceDiscardRectanglePropertiesEXT
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* slink:VkPipelineDiscardRectangleStateCreateInfoEXT
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=== New Functions
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* flink:vkCmdSetDiscardRectangleEXT
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=== Issues
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None.
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=== Version History
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* Revision 1, 2016-12-22 (Piers Daniell)
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- Internal revisions
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