public unsafe void CmdBeginRenderPass(ref VkRenderPassBeginInfo renderPassBegin, VkSubpassContents contents)
{
VkRenderPassBeginInfo_Native renderPassBegin_native = new VkRenderPassBeginInfo_Native();
renderPassBegin_native.pNext = new IntPtr(0);
renderPassBegin_native.sType = VkStructureType.VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
if (renderPassBegin.clearValues == null || renderPassBegin.clearValues.Length == 0)
{
renderPassBegin_native.clearValueCount = 0;
}
else
{
renderPassBegin_native.clearValueCount = (uint)renderPassBegin.clearValues.Length;
renderPassBegin_native.pClearValues = System.Runtime.InteropServices.Marshal.AllocHGlobal(new IntPtr(sizeof(UInt32) * 4 * renderPassBegin_native.clearValueCount));
}
renderPassBegin_native.framebufferHandle = renderPassBegin.framebuffer._Handle;
renderPassBegin_native.renderArea = renderPassBegin.renderArea;
renderPassBegin_native.renderPassHandle = renderPassBegin.renderPass._Handle;
for (int n = 0; n < renderPassBegin_native.clearValueCount; n++)
{
if (renderPassBegin.clearValues[n] is VkClearValue.VkClearColorValue.Float)
{
VkClearValue.VkClearColorValue.Float value = renderPassBegin.clearValues[n] as VkClearValue.VkClearColorValue.Float;
float *pValue = ((float *)(renderPassBegin_native.pClearValues.ToPointer()) + (n * 4));
pValue[0] = value.float32[0];
pValue[1] = value.float32[1];
pValue[2] = value.float32[2];
pValue[3] = value.float32[3];
}
else if (renderPassBegin.clearValues[n] is VkClearValue.VkClearColorValue.Int32_t)
{
VkClearValue.VkClearColorValue.Int32_t value = renderPassBegin.clearValues[n] as VkClearValue.VkClearColorValue.Int32_t;
Int32 *pValue = ((Int32 *)(renderPassBegin_native.pClearValues.ToPointer()) + (n * 4));
pValue[0] = value.int32[0];
pValue[1] = value.int32[1];
pValue[2] = value.int32[2];
pValue[3] = value.int32[3];
}
else if (renderPassBegin.clearValues[n] is VkClearValue.VkClearColorValue.UInt32_t)
{
VkClearValue.VkClearColorValue.UInt32_t value = renderPassBegin.clearValues[n] as VkClearValue.VkClearColorValue.UInt32_t;
UInt32 *pValue = ((UInt32 *)(renderPassBegin_native.pClearValues.ToPointer()) + (n * 4));
pValue[0] = value.uint32[0];
pValue[1] = value.uint32[1];
pValue[2] = value.uint32[2];
pValue[3] = value.uint32[3];
}
else if (renderPassBegin.clearValues[n] is VkClearValue.VkClearDepthStencilValue.VkClearDepthStencilValue)
{
VkClearValue.VkClearDepthStencilValue.VkClearDepthStencilValue value = renderPassBegin.clearValues[n] as VkClearValue.VkClearDepthStencilValue.VkClearDepthStencilValue;
*((float *)(renderPassBegin_native.pClearValues.ToPointer()) + (n * 4)) = value.depth;
*((UInt32 *)(renderPassBegin_native.pClearValues.ToPointer()) + (n * 4 + 1)) = value.stencil;
}
}
_Parent.Device.vkCmdBeginRenderPass(_Handle, new IntPtr(&renderPassBegin_native), contents);
System.Runtime.InteropServices.Marshal.FreeHGlobal(renderPassBegin_native.pClearValues);
}
public void CmdClearColorImage(VkImage Image, VkImageLayout ImageLayout, float R, float G, float B, float A, VkImageSubresourceRange[] Ranges)
{
VkClearValue.VkClearColorValue.Float color = new VkClearValue.VkClearColorValue.Float();
color.float32 = new float[4];
color.float32[0] = R;
color.float32[1] = G;
color.float32[2] = B;
color.float32[3] = A;
CmdClearColorImage(Image, ImageLayout, ref color, Ranges);
}
public unsafe void CmdClearColorImage(VkImage Image, VkImageLayout ImageLayout, ref VkClearValue.VkClearColorValue.Float color, VkImageSubresourceRange[] Ranges)
{
VkClearValue.VkClearColorValue.Float_s color_native = new VkClearValue.VkClearColorValue.Float_s();
color_native.float32 = color.float32;
if (Ranges == null || Ranges.Length == 0)
{
throw new Exception("There must be at least one range");
}
fixed(VkImageSubresourceRange *pRange = &Ranges[0])
{
_Parent.Device.vkCmdClearColorImage_Float(_Handle, Image._Handle, ImageLayout, ref color_native, (uint)Ranges.Length, new IntPtr(pRange));
}
}
public Triangle()
{
InitializeComponent();
InitializeVulkan();
_Bitmap = new Bitmap(640, 480);
_Framebuffer = new Framebuffer(_Device, 640, 480);
VkPipelineLayout dummyLayout = _Device.CreatePipelineLayout(VkPipelineLayoutCreateFlag.NONE, null, null);
_VertexShader = _Device.CreateShaderModule(VkShaderModuleCreateFlag.NONE, System.IO.File.ReadAllBytes("./Shaders/vertexShader.spv"));
_FramgemtShader = _Device.CreateShaderModule(VkShaderModuleCreateFlag.NONE, System.IO.File.ReadAllBytes("./Shaders/fragmentShader.spv"));
_GraphicsPipeline = new Pipeline(_Framebuffer, dummyLayout, _VertexShader, "main", _FramgemtShader, "main");
// Finally we will need a fence for our submission in order to wait on it
_Fence = _Device.CreateFence(VkFenceCreateFlag.NONE);
// VkBuffer indexBuffer = _Device.CreateBuffer(0, 3 * sizeof(Int32), VkBufferUsageFlag.VK_BUFFER_USAGE_INDEX_BUFFER, VkSharingMode.VK_SHARING_MODE_CONCURRENT, new VkQueueFamilyProperties[] { _Queue.Family });
// VkBuffer vertexBuffer = _Device.CreateBuffer(0, 3 * sizeof(float), VkBufferUsageFlag.VK_BUFFER_USAGE_VERTEX_BUFFER, VkSharingMode.VK_SHARING_MODE_CONCURRENT, new VkQueueFamilyProperties[] { _Queue.Family });
// Now we need to create a command buffer and we will fill it with a single command:
// Fill the image with the color (0.1f, 0.75f, 1.0f, 1.0f) which is a Sky blue.
VkClearValue.VkClearColorValue.Float color = new VkClearValue.VkClearColorValue.Float();
color.float32[0] = 0.1f; color.float32[1] = 0.75f; color.float32[2] = 1.0f; color.float32[3] = 1.0f;
VkCommandPool Pool = _Device.CreateCommandPool(VkCommandPoolCreateFlag.NONE, _Queue.Family);
_CommandBuffer = Pool.AllocateCommandBuffer(VkCommandBufferLevel.VK_COMMAND_BUFFER_LEVEL_PRIMARY);
_CommandBuffer.Begin(VkCommandBufferUsageFlag.NONE);
_CommandBuffer.CmdBeginRenderPass(_Framebuffer.RenderPass,
new VkRect2D(0, 0, (uint)640, (uint)480),
_Framebuffer.GetFramebuffer(),
new VkClearValue[] { color },
VkSubpassContents.VK_SUBPASS_CONTENTS_INLINE);
_GraphicsPipeline.BindPipeline(_CommandBuffer);
_CommandBuffer.CmdDraw(3, 1, 0, 0);
_CommandBuffer.CmdEndRenderPass();
_CommandBuffer.cmdCopyImageToBuffer(_Framebuffer.FrameBufferColor,
VkImageLayout.VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
_Framebuffer._TransferBuffer,
new VkBufferImageCopy[]
{
new VkBufferImageCopy()
{
bufferImageHeight = (uint)_Framebuffer.Height,
bufferOffset = 0,
bufferRowLength = (uint)_Framebuffer.Width,
imageExtent = new VkExtent3D()
{
depth = 1, width = (uint)_Framebuffer.Width, height = (uint)_Framebuffer.Height
},
imageSubresource = new VkImageSubresourceLayers()
{
aspectMask = VkImageAspectFlag.VK_IMAGE_ASPECT_COLOR_BIT, baseArrayLayer = 0, layerCount = 1, mipLevel = 0
}
}
});
_CommandBuffer.End();
}
