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Merge pull request #623 from krOoze/clean_viewport_vus 

Clean up VkViewport VU section
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Jon Leech 2017-12-19 01:21:26 -08:00 committed by GitHub
parent f22feb97af 3165317cf5
commit af5638cbe7
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1 changed files with 13 additions and 21 deletions
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34
doc/specs/vulkan/chapters/vertexpostproc.txt
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@ -680,32 +680,24 @@ The floating-point viewport bounds are represented with an
.Valid Usage
****
* [[VUID-VkViewport-width-01227]]
pname:width must: be greater than `0.0` and less than or equal to
* pname:width must: be greater than `0.0`
* pname:width must: be less than or equal to
sname:VkPhysicalDeviceLimits::pname:maxViewportDimensions[0]
ifndef::VK_KHR_maintenance1[]
* [[VUID-VkViewport-height-01228]]
pname:height must: be greater than `0.0` and less than or equal to
ifndef::VK_KHR_maintenance1,VK_AMD_negative_viewport_height[]
* pname:height must: be greater than `0.0`
endif::VK_KHR_maintenance1,VK_AMD_negative_viewport_height[]
* The absolute value of pname:height must: be less than or equal to
sname:VkPhysicalDeviceLimits::pname:maxViewportDimensions[1]
endif::VK_KHR_maintenance1[]
ifdef::VK_KHR_maintenance1[]
* [[VUID-VkViewport-height-01229]]
pname:height must: be greater than or equal to
-sname:VkPhysicalDeviceLimits::pname:maxViewportDimensions[1] and less
than or equal to
sname:VkPhysicalDeviceLimits::pname:maxViewportDimensions[1]
endif::VK_KHR_maintenance1[]
ifdef::VK_AMD_negative_viewport_height[]
* [[VUID-VkViewport-height-01230]]
If the +VK_AMD_negative_viewport_height+ extension is enabled,
pname:height can: also be negative.
endif::VK_AMD_negative_viewport_height[]
* [[VUID-VkViewport-x-01231]]
pname:x and pname:y must: each be between pname:viewportBoundsRange[0]
and pname:viewportBoundsRange[1], inclusive
* pname:x must: be greater than or equal to pname:viewportBoundsRange[0]
* [[VUID-VkViewport-x-01232]]
[eq]#(pname:x {plus} pname:width)# must: be less than or equal to
pname:viewportBoundsRange[1]
* pname:y must: be greater than or equal to pname:viewportBoundsRange[0]
ifdef::VK_KHR_maintenance1,VK_AMD_negative_viewport_height[]
* pname:y must: be less than or equal to pname:viewportBoundsRange[1]
* [eq]#(pname:y {plus} pname:height)# must: be greater than or equal to
pname:viewportBoundsRange[0]
endif::VK_KHR_maintenance1,VK_AMD_negative_viewport_height[]
* [[VUID-VkViewport-y-01233]]
[eq]#(pname:y {plus} pname:height)# must: be less than or equal to
pname:viewportBoundsRange[1]