void setupDescriptorSetLayout()
{
VkDescriptorSetLayoutBinding setLayoutBindings =
// Binding 0 : Vertex shader uniform buffer
Initializers.descriptorSetLayoutBinding(
VkDescriptorType.UniformBuffer,
VkShaderStageFlags.Vertex,
0);
VkDescriptorSetLayoutCreateInfo descriptorLayout =
Initializers.descriptorSetLayoutCreateInfo(
&setLayoutBindings,
1);
Util.CheckResult(vkCreateDescriptorSetLayout(device, &descriptorLayout, null, out descriptorSetLayout));
var dsl = descriptorSetLayout;
VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo =
Initializers.pipelineLayoutCreateInfo(
&dsl,
1);
// Define push constant
// Example uses six light positions as push constants
// 6 * 4 * 4 = 96 bytes
// Spec requires a minimum of 128 bytes, bigger values
// need to be checked against maxPushConstantsSize
// But even at only 128 bytes, lots of stuff can fit
// inside push constants
VkPushConstantRange pushConstantRange =
Initializers.pushConstantRange(
VkShaderStageFlags.Vertex,
pushConstants.Count * (uint)sizeof(Vector4),
0);
// Push constant ranges are part of the pipeline layout
pipelineLayoutCreateInfo.pushConstantRangeCount = 1;
pipelineLayoutCreateInfo.pPushConstantRanges = &pushConstantRange;
Util.CheckResult(vkCreatePipelineLayout(device, &pipelineLayoutCreateInfo, null, out pipelineLayout));
}
