Function Prototype

vkCmdSetLineWidth

Set line width dynamically for a command buffer
primary / secondary
both
graphics
state

To dynamically set the line width, call:

void vkCmdSetLineWidth(
    VkCommandBuffer commandBuffer,
    float lineWidth);
  • commandBuffer is the command buffer into which the command will be recorded.
  • lineWidth is the width of rasterized line segments.

This command sets the line width for subsequent drawing commands when drawing using shader objects, or when the graphics pipeline is created with VK_DYNAMIC_STATE_LINE_WIDTH set in VkPipelineDynamicStateCreateInfo::pDynamicStates. Otherwise, this state is specified by the VkPipelineRasterizationStateCreateInfo::lineWidth value used to create the currently active pipeline.

Valid Usage

VUID-vkCmdSetLineWidth-lineWidth-00788

If the wideLines feature is not enabled, lineWidth must be 1.0

Valid Usage (Implicit)

VUID-vkCmdSetLineWidth-commandBuffer-cmdpool

The VkCommandPool that commandBuffer was allocated from must support graphics operations

VUID-vkCmdSetLineWidth-videocoding

This command must only be called outside of a video coding scope

Host Synchronization

  • Host access to commandBuffer must be externally synchronized
  • Host access to the VkCommandPool that commandBuffer was allocated from must be externally synchronized ::