protected virtual void SetupInstancedVertexDescriptions()
{
// Binding description
vertices_bindingDescriptions.Count = 2;
vertices_bindingDescriptions[0] =
Initializers.vertexInputBindingDescription(
Pipeline.VERTEX_DATA_BUFFER_BIND_ID,
(uint)sizeof(Vertex),
VkVertexInputRate.Vertex);
vertices_bindingDescriptions[1] =
Initializers.vertexInputBindingDescription(
Pipeline.VERTEX_INSTANCE_BUFFER_BIND_ID,
(uint)sizeof(ObjectToWorld),
VkVertexInputRate.Instance);
// Attribute descriptions
// Describes memory layout and shader positions
vertices_attributeDescriptions.Count = 10;
// Location 0 : Position
vertices_attributeDescriptions[0] =
Initializers.vertexInputAttributeDescription(
Pipeline.VERTEX_DATA_BUFFER_BIND_ID,
0,
VkFormat.R32g32b32Sfloat,
0);
// Location 1 : Normal
vertices_attributeDescriptions[1] =
Initializers.vertexInputAttributeDescription(
Pipeline.VERTEX_DATA_BUFFER_BIND_ID,
1,
VkFormat.R32g32b32Sfloat,
12);
// Location 2 : Texture coordinates
vertices_attributeDescriptions[2] =
Initializers.vertexInputAttributeDescription(
Pipeline.VERTEX_DATA_BUFFER_BIND_ID,
2,
VkFormat.R32g32Sfloat,
24);
// Location 3 : Color
//vertices_attributeDescriptions[3] =
// Initializers.vertexInputAttributeDescription(
// Pipeline.VERTEX_DATA_BUFFER_BIND_ID,
// 3,
// VkFormat.R32g32b32Sfloat,
// 32);
//Location 3-9 Instance model matrix and normal matrix
vertices_attributeDescriptions[3] =
Initializers.vertexInputAttributeDescription(
Pipeline.VERTEX_INSTANCE_BUFFER_BIND_ID,
3,
VkFormat.R32g32b32a32Sfloat,
0);
vertices_attributeDescriptions[4] =
Initializers.vertexInputAttributeDescription(
Pipeline.VERTEX_INSTANCE_BUFFER_BIND_ID,
4,
VkFormat.R32g32b32a32Sfloat,
16);
vertices_attributeDescriptions[5] =
Initializers.vertexInputAttributeDescription(
Pipeline.VERTEX_INSTANCE_BUFFER_BIND_ID,
5,
VkFormat.R32g32b32a32Sfloat,
32);
vertices_attributeDescriptions[6] =
Initializers.vertexInputAttributeDescription(
Pipeline.VERTEX_INSTANCE_BUFFER_BIND_ID,
6,
VkFormat.R32g32b32a32Sfloat,
48);
vertices_attributeDescriptions[7] =
Initializers.vertexInputAttributeDescription(
Pipeline.VERTEX_INSTANCE_BUFFER_BIND_ID,
7,
VkFormat.R32g32b32Sfloat,
64);
vertices_attributeDescriptions[8] =
Initializers.vertexInputAttributeDescription(
Pipeline.VERTEX_INSTANCE_BUFFER_BIND_ID,
8,
VkFormat.R32g32b32Sfloat,
76);
vertices_attributeDescriptions[9] =
Initializers.vertexInputAttributeDescription(
Pipeline.VERTEX_INSTANCE_BUFFER_BIND_ID,
9,
VkFormat.R32g32b32Sfloat,
88);
vertices_inputState = Initializers.pipelineVertexInputStateCreateInfo();
vertices_inputState.vertexBindingDescriptionCount = (vertices_bindingDescriptions.Count);
vertices_inputState.pVertexBindingDescriptions = (VkVertexInputBindingDescription *)vertices_bindingDescriptions.Data;
vertices_inputState.vertexAttributeDescriptionCount = (vertices_attributeDescriptions.Count);
vertices_inputState.pVertexAttributeDescriptions = (VkVertexInputAttributeDescription *)vertices_attributeDescriptions.Data;
}