C Specification

To query the set of mixed sample combinations of coverage reduction mode, rasterization samples and color, depth, stencil attachment sample counts that are supported by a physical device, call:

// Provided by VK_NV_coverage_reduction_mode
VkResult vkGetPhysicalDeviceSupportedFramebufferMixedSamplesCombinationsNV(
    VkPhysicalDevice                            physicalDevice,
    uint32_t*                                   pCombinationCount,
    VkFramebufferMixedSamplesCombinationNV*     pCombinations);


  • physicalDevice is the physical device from which to query the set of combinations.

  • pCombinationCount is a pointer to an integer related to the number of combinations available or queried, as described below.

  • pCombinations is either NULL or a pointer to an array of VkFramebufferMixedSamplesCombinationNV values, indicating the supported combinations of coverage reduction mode, rasterization samples, and color, depth, stencil attachment sample counts.


If pCombinations is NULL, then the number of supported combinations for the given physicalDevice is returned in pCombinationCount. Otherwise, pCombinationCount must point to a variable set by the user to the number of elements in the pCombinations array, and on return the variable is overwritten with the number of values actually written to pCombinations. If the value of pCombinationCount is less than the number of combinations supported for the given physicalDevice, at most pCombinationCount values will be written to pCombinations, and VK_INCOMPLETE will be returned instead of VK_SUCCESS, to indicate that not all the supported values were returned.

Valid Usage (Implicit)
  • VUID-vkGetPhysicalDeviceSupportedFramebufferMixedSamplesCombinationsNV-physicalDevice-parameter
    physicalDevice must be a valid VkPhysicalDevice handle

  • VUID-vkGetPhysicalDeviceSupportedFramebufferMixedSamplesCombinationsNV-pCombinationCount-parameter
    pCombinationCount must be a valid pointer to a uint32_t value

  • VUID-vkGetPhysicalDeviceSupportedFramebufferMixedSamplesCombinationsNV-pCombinations-parameter
    If the value referenced by pCombinationCount is not 0, and pCombinations is not NULL, pCombinations must be a valid pointer to an array of pCombinationCount VkFramebufferMixedSamplesCombinationNV structures

Return Codes
On success, this command returns


On failure, this command returns


See Also

Document Notes

For more information, see the Vulkan Specification

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

Copyright 2014-2023 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0