vkCmdSetColorBlendEquationEXT
To dynamically set color blend factors and operations, call:
void vkCmdSetColorBlendEquationEXT(
VkCommandBuffer commandBuffer,
uint32_t firstAttachment,
uint32_t attachmentCount,
const VkColorBlendEquationEXT* pColorBlendEquations);
commandBuffer
is the command buffer into which the command will be recorded.firstAttachment
the first color attachment the color blend factors and operations apply to.attachmentCount
the number of VkColorBlendEquationEXT elements in thepColorBlendEquations
array.pColorBlendEquations
an array of VkColorBlendEquationEXT structs that specify the color blend factors and operations for the corresponding attachments.
This command sets the color blending factors and operations of the specified
attachments for subsequent drawing commands
when drawing using shader objects, or
when the graphics pipeline is created with
VK_DYNAMIC_STATE_COLOR_BLEND_EQUATION_EXT
set in
VkPipelineDynamicStateCreateInfo::pDynamicStates
.
Otherwise, this state is specified by the
VkPipelineColorBlendAttachmentState::srcColorBlendFactor
,
VkPipelineColorBlendAttachmentState::dstColorBlendFactor
,
VkPipelineColorBlendAttachmentState::colorBlendOp
,
VkPipelineColorBlendAttachmentState::srcAlphaBlendFactor
,
VkPipelineColorBlendAttachmentState::dstAlphaBlendFactor
, and
VkPipelineColorBlendAttachmentState::alphaBlendOp
values used to
create the currently active pipeline.
Valid Usage
VUID-vkCmdSetColorBlendEquationEXT-None-09423
At least one of the following must be true:
Valid Usage (Implicit)
VUID-vkCmdSetColorBlendEquationEXT-commandBuffer-parameter
commandBuffer
must be a valid VkCommandBuffer handle
VUID-vkCmdSetColorBlendEquationEXT-pColorBlendEquations-parameter
pColorBlendEquations
must be a valid pointer to an array of attachmentCount
valid VkColorBlendEquationEXT structures
VUID-vkCmdSetColorBlendEquationEXT-commandBuffer-recording
commandBuffer
must be in the recording state
VUID-vkCmdSetColorBlendEquationEXT-commandBuffer-cmdpool
The VkCommandPool
that commandBuffer
was allocated from must support graphics operations
VUID-vkCmdSetColorBlendEquationEXT-videocoding
This command must only be called outside of a video coding scope
VUID-vkCmdSetColorBlendEquationEXT-attachmentCount-arraylength
attachmentCount
must be greater than 0
Host Synchronization
- Host access to
commandBuffer
must be externally synchronized - Host access to the
VkCommandPool
thatcommandBuffer
was allocated from must be externally synchronized ::