Vulkan-Docs/doc/specs/vulkan/appendices/VK_KHR_get_surface_capabili...

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Change log for June 24, 2017 Vulkan 1.0.53 spec update: * Bump API patch number and header version number to 53 for this update. Github Issues: Internal Issues: * Clarify mappings of coordinates for mutable, compatible image views in slink:VkImageViewCreateInfo (internal issue 815). * Make ename:VK_BIND_SFR_BIT require a logical device with multiple physical devices, so that standard sparse image block dimensions are only required on systems that support multi-GPU (internal issue 835). * Convert all files from use of // refBegin .. // refEnd comments to delimit ref pages, to use of open blocks, and update style guide accordingly (internal issue 839). * Add valid usage for slink:VkWriteDescriptorSet when performing updates to a ename:VK_STORAGE_IMAGE descriptor with layout ename:VK_IMAGE_LAYOUT_GENERAL. * Add a hack to the validity generator script to support an odd interaction between flink:vkCmdFillBuffer and an extension (internal issue 853). * Remove redundant text describing slink:VkBufferCreateInfo::pname:usage, which was already covered by implicit valid usage (internal issue 854). * Update implicit validity generator script to properly handle the pname:sType and pname:pNext members of "returnedonly" structures (internal issue 874). * Note that slink:VkApplicationInfo::pname:pApplicationName & slink:VkApplicationInfo::pname:pEngineName are optional, and add missing implicit valid usage statements for flink:vkDestroyInstance. * Added missing valid usage for flink:vkCmdWriteTimestamp to require a timestamp query pool. * Simplify and/or split "`non-atomic`" valid usage statements. New Extensions: * `VK_AMD_gpu_shader_int16` * `VK_EXT_blend_operation_advanced` * `VK_EXT_sampler_filter_minmax` * `VK_NV_framebuffer_mixed_samples` ----------------------------------------------------- Note: the 1.0.52 spec wasn't published on github, so the 1.0.53 release combines both change sets. ----------------------------------------------------- Change log for June 13, 2017 Vulkan 1.0.52 spec update: * Bump API patch number and header version number to 52 for this update. Github Issues: Internal Issues: * Clarify behavior when non-coherent memory has <<memory-device-unmap-does-not-flush, not been flushed before being unmapped>> (internal issue 819). * Fix description of code:WorkgroupSize builtin to note it decorates an object, not a variable (internal issue 836). * Fix asciidoc attributes so that trailing '{plus}' symbols in [eq] style equations are rendered properly (internal issue 845). * Add language to the "`Extension Handles, Objects, Enums, and Typedefs`" section of the Procedures and Conventions document stating that any new handle type requires a corresponding entry in the elink:VkObjectType enumerated type (internal issue 856). * Update style guide to use slink macro for Vulkan handle type names, and define narrow conditions under which to use the *name and *text macros instead of *link (internal issue 886). * Add a dependency of the <<VK_KHX_device_group,VK_KHX_device_group>> extension on VK_KHX_device_group_creation to +vk.xml+ and the extension appendix. * Change the copyright on Vulkan specification asciidoc *source* files to CC-BY 4.0, and update the proprietary Khronos copyright applied to the generated *output* formats (internal issue 327). This enables broader re-use and modification of the Vulkan specification sources, while not affecting the Reciprocal IP License between Vulkan Adopters and Working Group Members. New Extensions: * `VK_NV_fill_rectangle` * `VK_NV_fragment_coverage_to_color`
2017-06-27 02:32:10 +00:00
// Copyright (c) 2017 Khronos Group. This work is licensed under a
// Creative Commons Attribution 4.0 International License; see
// http://creativecommons.org/licenses/by/4.0/
Change log for May 12, 2017 Vulkan 1.0.49 spec update: * Bump API patch number and header version number to 49 for this update. Github Issues: * Modify reference page extraction script to make internal links to spec anchors refer to the core specification instead of being dangling links (public issue 455). * Fix GL_KHR_vulkan_glsl typo and add a nor-normative mapping to the newly published StorageBuffer class (public issue 466). * Both flink:vkEnumerateInstanceExtensionProperties and flink:vkEnumerateDeviceExtensionProperties return ename:VK_ERROR_LAYER_NOT_PRESENT, which covers the error case of an application providing a layer name that wasn't returned by ftext:vkEnumerate{Instance|Device}LayerProperties (public issue 487). * The specification for flink:VkApplicationInfo::apiVersion says that the driver must return ename:VK_ERROR_INCOMPATIBLE_DRIVER in the case that pname:apiVersion specifies a non-supported version. That means that the valid usage should not also state that, and so the VU statement is removed. The VU had language about "`an effective substitute`" that would have been lost, and so it was moved to the pname:apiVersion description (public issue 488). Internal Issues: * Modify implicit validity generator script to assign asciidoc anchors to all valid usage statements it generates, and reflow.py script to insert Valid Usage ID (VUID) tags into the specification source files for explicit valid usage statements. This has no semantic effects on the specification, but will support the validation layer's detection of valid usage violations and allow it to link into the corresponding part of the specification (internal issue 583). * Assign VUID tags to all explicit VU statements and document the process and tag format in the style guide (internal issue 583). * Clarify the rules of whether to structure new functionality as instance extensions, device extensions, or both in the <<extended-functionality-instance-extensions-and-devices, Instance Extensions and Device Extensions>> section (internal issue 749). * Require that SPIR-V run-time arrays are only used with the code:BufferBlock decoration (internal issue 750). * Fix implicit and explicit valid usage statements for slink:VkWriteDescriptorSet::pname:dstSet (internal issue 767) * Fix SPIR-V code sample for ename:VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER in the <<descriptorsets-uniformtexelbuffer, Uniform Texel Buffer>> section (internal issue 770). * Clarify that disabling depth testing also disables depth writes in the <<fragops-ds-state, Depth and Stencil Operations>> section (internal issue 775). * flink:VkDescriptorImageInfo::pname:imageLayout must match the actual imageLayout at the time the image is accessed. This was in the spec text, but needed an associated valid usage statement. * Note that only 32-bit atomic operations are supported in the <<spirvenv-module-validation, Validation Rules within a Module>> section. * Note that code:UniformConstant variables must not have initializers in the <<spirvenv-module-validation, Validation Rules within a Module>> section. * Add a new elink:VkObjectType enumeration to the core API, promoted from elink:VkDebugObjectTypeEXT, since it is used for much more than just the debug_report extension. New Extensions: * `VK_KHR_get_surface_capabilities2` * `VK_KHR_shared_presentable_image`
2017-05-12 08:37:16 +00:00
[[VK_KHR_get_surface_capabilities2]]
== VK_KHR_get_surface_capabilities2
*Name String*::
+VK_KHR_get_surface_capabilities2+
*Extension Type*::
Instance extension
*Registered Extension Number*::
120
*Last Modified Date*::
2017-02-27
*Revision*::
1
*IP Status*::
No known IP claims.
*Dependencies*::
- This extension is written against version 1.0 of the Vulkan API.
- This extension requires +VK_KHR_surface+.
*Contributors*::
- Ian Elliott, Google
- James Jones, NVIDIA
- Alon Or-bach, Samsung
*Contacts*::
- James Jones, NVIDIA
This extension provides new entry points to query device surface
capabilities in a way that can be easily extended by other extensions,
without introducing any further entry points.
This extension can be considered the <<VK_KHR_surface,VK_KHR_surface>>
equivalent of the <<VK_KHR_get_physical_device_properties2,
VK_KHR_get_physical_device_properties2>> extension.
=== New Object Types
None.
=== New Enum Constants
Change log for June 4, 2017 Vulkan 1.0.51 spec update: * Bump API patch number and header version number to 51 for this update. Github Issues: * Add Valid Usage statement to flink:vkCmdResolveImage to require that source and destination image formats match (public issue 492). * Specify that a code:char* parameter must: be a valid null-terminated string in the <<fundamentals-implicit-validity, implicit valid usage>> section (public issue 494). * Removed unnecessary VU for slink:VkPhysicalDeviceFeatures which is covered by ename:VK_ERROR_FEATURE_NOT_PRESENT already (public issue 496). * Clarify valid usage of pname:pQueueFamilyIndices in slink:VkBufferCreateInfo, slink:VkImageCreateInfo, and slink:VkSwapchainCreateInfoKHR (public issue 501). * Document that dependencies of enabled extensions must also be enabled in the <<extended-functionality-extensions-dependencies, Extension Dependencies>> section (public issue 507). Internal Issues: * Change slink:VkMappedMemoryRange valid usage to allow pname:offset + pname:size == size of the allocation. Also, if ename:VK_WHOLE_SIZE is used, require the end of the mapping to be aligned to a multiple of pname:nonCoherentAtomSize (internal issue 611). * Add issue to `VK_KHR_win32_surface` about reusing window objects from a different graphics API or Vulkan ICD (internal issue 639). * Require locations on user in/out in `GL_KHR_vulkan_glsl` (internal issue 783). * Added version info to the json validation output, and updated the schema to match (internal issue 838). * Restructure enumerated type descriptions separately from the command or structure they are used in, allowing better reference page generation (internal issue 841). * Re-sort extension appendices to be in alphabetical order within each author ID section. * Fix enum naming and clarify behavior for `VK_NVX_device_generated_commands` extension. New Extensions:
2017-06-05 03:48:43 +00:00
* Extending elink:VkStructureType:
Change log for May 12, 2017 Vulkan 1.0.49 spec update: * Bump API patch number and header version number to 49 for this update. Github Issues: * Modify reference page extraction script to make internal links to spec anchors refer to the core specification instead of being dangling links (public issue 455). * Fix GL_KHR_vulkan_glsl typo and add a nor-normative mapping to the newly published StorageBuffer class (public issue 466). * Both flink:vkEnumerateInstanceExtensionProperties and flink:vkEnumerateDeviceExtensionProperties return ename:VK_ERROR_LAYER_NOT_PRESENT, which covers the error case of an application providing a layer name that wasn't returned by ftext:vkEnumerate{Instance|Device}LayerProperties (public issue 487). * The specification for flink:VkApplicationInfo::apiVersion says that the driver must return ename:VK_ERROR_INCOMPATIBLE_DRIVER in the case that pname:apiVersion specifies a non-supported version. That means that the valid usage should not also state that, and so the VU statement is removed. The VU had language about "`an effective substitute`" that would have been lost, and so it was moved to the pname:apiVersion description (public issue 488). Internal Issues: * Modify implicit validity generator script to assign asciidoc anchors to all valid usage statements it generates, and reflow.py script to insert Valid Usage ID (VUID) tags into the specification source files for explicit valid usage statements. This has no semantic effects on the specification, but will support the validation layer's detection of valid usage violations and allow it to link into the corresponding part of the specification (internal issue 583). * Assign VUID tags to all explicit VU statements and document the process and tag format in the style guide (internal issue 583). * Clarify the rules of whether to structure new functionality as instance extensions, device extensions, or both in the <<extended-functionality-instance-extensions-and-devices, Instance Extensions and Device Extensions>> section (internal issue 749). * Require that SPIR-V run-time arrays are only used with the code:BufferBlock decoration (internal issue 750). * Fix implicit and explicit valid usage statements for slink:VkWriteDescriptorSet::pname:dstSet (internal issue 767) * Fix SPIR-V code sample for ename:VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER in the <<descriptorsets-uniformtexelbuffer, Uniform Texel Buffer>> section (internal issue 770). * Clarify that disabling depth testing also disables depth writes in the <<fragops-ds-state, Depth and Stencil Operations>> section (internal issue 775). * flink:VkDescriptorImageInfo::pname:imageLayout must match the actual imageLayout at the time the image is accessed. This was in the spec text, but needed an associated valid usage statement. * Note that only 32-bit atomic operations are supported in the <<spirvenv-module-validation, Validation Rules within a Module>> section. * Note that code:UniformConstant variables must not have initializers in the <<spirvenv-module-validation, Validation Rules within a Module>> section. * Add a new elink:VkObjectType enumeration to the core API, promoted from elink:VkDebugObjectTypeEXT, since it is used for much more than just the debug_report extension. New Extensions: * `VK_KHR_get_surface_capabilities2` * `VK_KHR_shared_presentable_image`
2017-05-12 08:37:16 +00:00
** ename:VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SURFACE_INFO_2_KHR
** ename:VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_KHR
** ename:VK_STRUCTURE_TYPE_SURFACE_FORMAT_2_KHR
=== New Enums
None.
=== New Structures
* slink:VkPhysicalDeviceSurfaceInfo2KHR
* slink:VkSurfaceCapabilities2KHR
* slink:VkSurfaceFormat2KHR
=== New Functions
* flink:vkGetPhysicalDeviceSurfaceCapabilities2KHR
* flink:vkGetPhysicalDeviceSurfaceFormats2KHR
=== Issues
1) What should this extension be named?
*RESOLVED*: VK_KHR_get_surface_capabilities2.
Other alternatives:
* VK_KHR_surface2
* One extension, combined with VK_KHR_get_display_properties2
2) Should additional WSI query functions be extended?
*RESOLVED*:
* flink:vkGetPhysicalDeviceSurfaceCapabilitiesKHR: Yes.
The need for this motivated the extension.
* flink:vkGetPhysicalDeviceSurfaceSupportKHR: No.
Currently only has boolean output.
Extensions should instead extend
flink:vkGetPhysicalDeviceSurfaceCapabilities2KHR.
* flink:vkGetPhysicalDeviceSurfaceFormatsKHR: Yes.
* flink:vkGetPhysicalDeviceSurfacePresentModesKHR: No.
Recent discussion concluded this introduced too much variability for
applications to deal with.
Extensions should instead extend
flink:vkGetPhysicalDeviceSurfaceCapabilities2KHR.
* flink:vkGetPhysicalDeviceXlibPresentationSupportKHR: Not in this
extension.
* flink:vkGetPhysicalDeviceXcbPresentationSupportKHR: Not in this
extension.
* flink:vkGetPhysicalDeviceWaylandPresentationSupportKHR: Not in this
extension.
* flink:vkGetPhysicalDeviceMirPresentationSupportKHR: Not in this
extension.
* flink:vkGetPhysicalDeviceWin32PresentationSupportKHR: Not in this
extension.
=== Version History
* Revision 1, 2017-02-27 (James Jones)
- Initial draft.