VK_VALVE_video_encode_rgb_conversion

Other Extension Metadata

Last Modified Date

2025-08-22

IP Status

No known IP claims.

Contributors

• Autumn Ashton, Valve
• Daniel Rakos, RasterGrid

Description

This extension builds upon the VK_KHR_video_encode_queue extension by enabling the application to pass in RGB/RGBA images in video encode operations.

New Structures

• Extending VkPhysicalDeviceFeatures2, VkDeviceCreateInfo:
  • VkPhysicalDeviceVideoEncodeRgbConversionFeaturesVALVE
• Extending VkVideoCapabilitiesKHR:
  • VkVideoEncodeRgbConversionCapabilitiesVALVE
• Extending VkVideoProfileInfoKHR:
  • VkVideoEncodeProfileRgbConversionInfoVALVE
• Extending VkVideoSessionCreateInfoKHR:
  • VkVideoEncodeSessionRgbConversionCreateInfoVALVE

New Enums

• VkVideoEncodeRgbChromaOffsetFlagBitsVALVE
• VkVideoEncodeRgbModelConversionFlagBitsVALVE
• VkVideoEncodeRgbRangeCompressionFlagBitsVALVE

New Bitmasks

• VkVideoEncodeRgbChromaOffsetFlagsVALVE
• VkVideoEncodeRgbModelConversionFlagsVALVE
• VkVideoEncodeRgbRangeCompressionFlagsVALVE

New Enum Constants

• VK_VALVE_VIDEO_ENCODE_RGB_CONVERSION_EXTENSION_NAME
• VK_VALVE_VIDEO_ENCODE_RGB_CONVERSION_SPEC_VERSION
• Extending VkStructureType:
  • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VIDEO_ENCODE_RGB_CONVERSION_FEATURES_VALVE
  • VK_STRUCTURE_TYPE_VIDEO_ENCODE_PROFILE_RGB_CONVERSION_INFO_VALVE
  • VK_STRUCTURE_TYPE_VIDEO_ENCODE_RGB_CONVERSION_CAPABILITIES_VALVE
  • VK_STRUCTURE_TYPE_VIDEO_ENCODE_SESSION_RGB_CONVERSION_CREATE_INFO_VALVE

Version History

• Revision 1, 2025-08-22 (Autumn Ashton)
  • Initial version