VK_EXT_rasterization_order_attachment_access

Other Extension Metadata

Last Modified Date

2022-07-04

IP Status

No known IP claims.

Contributors

• Tobias Hector, AMD
• Jan-Harald Fredriksen, Arm

Description

This extension extends the mechanism of input attachments to allow access to framebuffer attachments that are used both as input and as color or depth/stencil attachments from one fragment to the next, in rasterization order, without explicit synchronization.

New Structures

• Extending VkPhysicalDeviceFeatures2, VkDeviceCreateInfo:
  • VkPhysicalDeviceRasterizationOrderAttachmentAccessFeaturesEXT

New Enums

• VkPipelineColorBlendStateCreateFlagBits
• VkPipelineDepthStencilStateCreateFlagBits

New Enum Constants

• VK_EXT_RASTERIZATION_ORDER_ATTACHMENT_ACCESS_EXTENSION_NAME
• VK_EXT_RASTERIZATION_ORDER_ATTACHMENT_ACCESS_SPEC_VERSION
• Extending VkPipelineColorBlendStateCreateFlagBits:
  • VK_PIPELINE_COLOR_BLEND_STATE_CREATE_RASTERIZATION_ORDER_ATTACHMENT_ACCESS_BIT_EXT
• Extending VkPipelineDepthStencilStateCreateFlagBits:
  • VK_PIPELINE_DEPTH_STENCIL_STATE_CREATE_RASTERIZATION_ORDER_ATTACHMENT_DEPTH_ACCESS_BIT_EXT
  • VK_PIPELINE_DEPTH_STENCIL_STATE_CREATE_RASTERIZATION_ORDER_ATTACHMENT_STENCIL_ACCESS_BIT_EXT
• Extending VkStructureType:
  • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RASTERIZATION_ORDER_ATTACHMENT_ACCESS_FEATURES_EXT
• Extending VkSubpassDescriptionFlagBits:
  • VK_SUBPASS_DESCRIPTION_RASTERIZATION_ORDER_ATTACHMENT_COLOR_ACCESS_BIT_EXT
  • VK_SUBPASS_DESCRIPTION_RASTERIZATION_ORDER_ATTACHMENT_DEPTH_ACCESS_BIT_EXT
  • VK_SUBPASS_DESCRIPTION_RASTERIZATION_ORDER_ATTACHMENT_STENCIL_ACCESS_BIT_EXT

Examples

None.

Version History

• Revision 1, 2022-07-04 (Jan-Harald Fredriksen)
  • Initial draft