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Don't pass an empty dynamic states list, as it is forbidden

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This commit is contained in:
Pierre Krieger 2016-08-21 16:38:26 +02:00
parent 8b1cb63f4f
commit 483b08984f
1 changed files with 12 additions and 7 deletions
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19
vulkano/src/pipeline/graphics_pipeline/mod.rs
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@ -821,12 +821,16 @@ impl<Vdef, L, Rp> GraphicsPipeline<Vdef, L, Rp>
}
};
let dynamic_states = vk::PipelineDynamicStateCreateInfo {
sType: vk::STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
pNext: ptr::null(),
flags: 0, // reserved
dynamicStateCount: dynamic_states.len() as u32,
pDynamicStates: dynamic_states.as_ptr(),
let dynamic_states = if !dynamic_states.is_empty() {
Some(vk::PipelineDynamicStateCreateInfo {
sType: vk::STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
pNext: ptr::null(),
flags: 0, // reserved
dynamicStateCount: dynamic_states.len() as u32,
pDynamicStates: dynamic_states.as_ptr(),
})
} else {
None
};
let pipeline = unsafe {
@ -845,7 +849,8 @@ impl<Vdef, L, Rp> GraphicsPipeline<Vdef, L, Rp>
pMultisampleState: &multisample,
pDepthStencilState: &depth_stencil,
pColorBlendState: &blend,
pDynamicState: &dynamic_states,
pDynamicState: dynamic_states.as_ref().map(|s| s as *const _)
.unwrap_or(ptr::null()),
layout: PipelineLayout::inner(&**params.layout).internal_object(),
renderPass: params.render_pass.render_pass().inner().internal_object(),
subpass: params.render_pass.index(),