private T ReadUniform <T>(byte[] memory, int offset, int size) where T : struct
{
T ret = new T();
MemoryCopyHelper.ReadStructure(memory, offset, ref ret);
return(ret);
}
private T ReadUniform <T>(int binding, int set) where T : struct
{
var layout = m_context.m_CommandBuffer.m_context.m_DescriptorSets[set].m_Bindings[binding];
var bufferInfo = m_context.m_CommandBuffer.m_context.m_DescriptorSets[set].m_BufferInfo[binding];
SoftwareBuffer softwareBuffer = (SoftwareBuffer)bufferInfo.buffer;
SoftwareDeviceMemory mem = softwareBuffer.m_deviceMemory;
int startIndex = bufferInfo.offset + softwareBuffer.m_memoryOffset;
T ret = new T();
MemoryCopyHelper.ReadStructure(mem.m_bytes, startIndex, ref ret);
return(ret);
}
private void createVertexBuffer()
{
VkBufferCreateInfo bufferInfo = new VkBufferCreateInfo();
bufferInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufferInfo.size = Marshal.SizeOf(vertices[0]) * vertices.Length;
bufferInfo.usage = VkBufferUsageFlagBits.VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
bufferInfo.sharingMode = VkSharingMode.VK_SHARING_MODE_EXCLUSIVE;
VkResult result = Vulkan.vkCreateBuffer(device, bufferInfo, null, out vertexBuffer);
if (result != VkResult.VK_SUCCESS)
{
throw Program.Throw("failed to create vertex buffer!", result);
}
VkMemoryRequirements memRequirements;
Vulkan.vkGetBufferMemoryRequirements(device, vertexBuffer, out memRequirements);
VkMemoryAllocateInfo allocInfo = new VkMemoryAllocateInfo();
allocInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
allocInfo.allocationSize = memRequirements.size;
allocInfo.memoryTypeIndex = findMemoryType(memRequirements.memoryTypeBits, VkMemoryPropertyFlagBits.VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VkMemoryPropertyFlagBits.VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
result = Vulkan.vkAllocateMemory(device, allocInfo, null, out vertexBufferMemory);
if (result != VkResult.VK_SUCCESS)
{
throw Program.Throw("failed to allocate vertex buffer memory!", result);
}
Vulkan.vkBindBufferMemory(device, vertexBuffer, vertexBufferMemory, 0);
byte[] data;
Vulkan.vkMapMemory(device, vertexBufferMemory, 0, bufferInfo.size, 0, out data);
MemoryCopyHelper.Copy(vertices, data, 0, bufferInfo.size);
Vulkan.vkUnmapMemory(device, vertexBufferMemory);
}
private T ReadVertexBuffer <T>(byte[] memory, int offset, int stride) where T : struct
{
return(MemoryCopyHelper.ReadStructure <T>(memory, (stride * this.gl_VertexIndex) + offset));
}
