Otherwise, to dynamically set and change the blend constant, call:
// Provided by VK_VERSION_1_0 void vkCmdSetBlendConstants( VkCommandBuffer commandBuffer, const float blendConstants);
commandBufferis the command buffer into which the command will be recorded.
blendConstantsis a pointer to an array of four values specifying the R, G, B, and A components of the blend constant color used in blending, depending on the blend factor.
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.