VertexData CreateVertexData()
{
var data = new VertexData();
var quadVertices = new[, ]
{
{ 1.0f, 1.0f, 0.0f, /* UV: */ 1.0f, 1.0f, /* Normal: */ 0.0f, 0.0f, 1.0f },
{ -1.0f, 1.0f, 0.0f, /* UV: */ 0.0f, 1.0f, /* Normal: */ 0.0f, 0.0f, 1.0f },
{ -1.0f, -1.0f, 0.0f, /* UV: */ 0.0f, 0.0f, /* Normal: */ 0.0f, 0.0f, 1.0f },
{ 1.0f, -1.0f, 0.0f, /* UV: */ 1.0f, 0.0f, /* Normal: */ 0.0f, 0.0f, 1.0f },
};
DeviceSize memorySize = (ulong)(sizeof(float) * quadVertices.Length);
data.Buffer = CreateBuffer(memorySize, BufferUsageFlags.VertexBuffer);
var memoryRequirements = device.GetBufferMemoryRequirements(data.Buffer);
var memoryIndex = FindMemoryIndex(MemoryPropertyFlags.HostVisible);
var allocateInfo = new MemoryAllocateInfo(memoryRequirements.Size, memoryIndex);
data.DeviceMemory = BindBuffer(data.Buffer, allocateInfo);
var vertexPtr = device.MapMemory(data.DeviceMemory, 0, memorySize);
VulkanUtils.Copy2DArray(quadVertices, vertexPtr, memorySize, memorySize);
device.UnmapMemory(data.DeviceMemory);
data.Indicies = new[] { 0, 1, 2, 2, 3, 0 };
memorySize = (ulong)(sizeof(uint) * data.Indicies.Length);
data.IndexBuffer = CreateBuffer(memorySize, BufferUsageFlags.IndexBuffer);
memoryRequirements = device.GetBufferMemoryRequirements(data.IndexBuffer);
memoryIndex = FindMemoryIndex(MemoryPropertyFlags.HostVisible);
allocateInfo = new MemoryAllocateInfo(memoryRequirements.Size, memoryIndex);
data.IndexDeviceMemory = BindBuffer(data.IndexBuffer, allocateInfo);
var bytes = data.Indicies.SelectMany(BitConverter.GetBytes).ToArray(); // oh man, dat Linq tho
CopyArrayToBuffer(data.IndexDeviceMemory, memorySize, bytes);
data.BindingDescriptions = new[]
{
new VertexInputBindingDescription(0, (uint)(sizeof(float) * quadVertices.GetLength(1)), VertexInputRate.Vertex)
};
data.AttributeDescriptions = new[]
{
new VertexInputAttributeDescription(0, 0, Format.R32g32b32Sfloat, 0), // Vertex: X, Y, Z
new VertexInputAttributeDescription(1, 0, Format.R32g32Sfloat, sizeof(float) * 3), // UV: U, V
new VertexInputAttributeDescription(2, 0, Format.R32g32b32Sfloat, sizeof(float) * 5), // Normal: X, Y, Z
};
return(data);
}
protected VertexData CreateVertexData()
{
var data = new VertexData();
var triangleVertices = new[, ]
{
{ 0.5f, 0.5f, 0.0f, /* Vertex Color: */ 1.0f, 0.0f, 0.0f },
{ -0.5f, 0.5f, 0.0f, /* Vertex Color: */ 0.0f, 1.0f, 0.0f },
{ 0.0f, -0.5f, 0.0f, /* Vertex Color: */ 0.0f, 0.0f, 1.0f },
};
DeviceSize memorySize = (ulong)(sizeof(float) * triangleVertices.Length);
data.Buffer = CreateBuffer(memorySize, BufferUsageFlags.VertexBuffer);
var memoryRequirements = device.GetBufferMemoryRequirements(data.Buffer);
var memoryIndex = FindMemoryIndex(MemoryPropertyFlags.HostVisible);
var allocateInfo = new MemoryAllocateInfo(memoryRequirements.Size, memoryIndex);
data.DeviceMemory = BindBuffer(data.Buffer, allocateInfo);
var mapped = device.MapMemory(data.DeviceMemory, 0, memorySize);
VulkanUtils.Copy2DArray(triangleVertices, mapped, memorySize, memorySize);
device.UnmapMemory(data.DeviceMemory);
data.BindingDescriptions = new[]
{
new VertexInputBindingDescription(0, (uint)(sizeof(float) * triangleVertices.GetLength(1)), VertexInputRate.Vertex)
};
data.AttributeDescriptions = new[]
{
new VertexInputAttributeDescription(0, 0, Format.R32g32b32Sfloat, 0),
new VertexInputAttributeDescription(1, 0, Format.R32g32b32Sfloat, sizeof(float) * 3)
};
return(data);
}
