public EnvironmentCube(string cubemapPath, DescriptorSet dsSkybox, PipelineLayout plLayout, Queue staggingQ, RenderPass renderPass, PipelineCache cache = null)
: base(renderPass, cache, "EnvCube pipeline")
{
using (CommandPool cmdPool = new CommandPool(staggingQ.Dev, staggingQ.index)) {
vboSkybox = new GPUBuffer <float> (staggingQ, cmdPool, VkBufferUsageFlags.VertexBuffer, box_vertices);
cubemap = KTX.KTX.Load(staggingQ, cmdPool, cubemapPath,
VkImageUsageFlags.Sampled, VkMemoryPropertyFlags.DeviceLocal, true);
cubemap.CreateView(VkImageViewType.Cube, VkImageAspectFlags.Color, 6, 0, cubemap.CreateInfo.mipLevels);
cubemap.CreateSampler(VkSamplerAddressMode.ClampToEdge);
cubemap.SetName("skybox Texture");
cubemap.Descriptor.imageLayout = VkImageLayout.ShaderReadOnlyOptimal;
GraphicPipelineConfig cfg = GraphicPipelineConfig.CreateDefault(VkPrimitiveTopology.TriangleList, renderPass.Samples, false);
cfg.RenderPass = renderPass;
cfg.Layout = plLayout;
cfg.AddVertexBinding(0, 3 * sizeof(float));
cfg.AddVertexAttributes(0, VkFormat.R32g32b32Sfloat);
cfg.AddShader(VkShaderStageFlags.Vertex, "shaders/skybox.vert.spv");
cfg.AddShader(VkShaderStageFlags.Fragment, "shaders/skybox.frag.spv");
cfg.multisampleState.rasterizationSamples = Samples;
layout = cfg.Layout;
init(cfg);
generateBRDFLUT(staggingQ, cmdPool);
generateCubemaps(staggingQ, cmdPool);
}
}
public override void RenderNode(CommandBuffer cmd, PipelineLayout pipelineLayout, Node node, Matrix4x4 currentTransform, bool shadowPass = false)
{
Matrix4x4 localMat = node.localMatrix * currentTransform;
cmd.PushConstant(pipelineLayout, VkShaderStageFlags.Vertex, localMat);
if (node.Mesh != null)
{
foreach (Primitive p in node.Mesh.Primitives)
{
if (!shadowPass)
{
cmd.PushConstant(pipelineLayout, VkShaderStageFlags.Fragment, (int)p.material, (uint)Marshal.SizeOf <Matrix4x4> ());
}
cmd.DrawIndexed(p.indexCount, 1, p.indexBase, p.vertexBase, 0);
}
}
if (node.Children == null)
{
return;
}
foreach (Node child in node.Children)
{
RenderNode(cmd, pipelineLayout, child, localMat, shadowPass);
}
}
/// <summary>
/// Create a new Pipeline with supplied PipelineLayout
/// </summary>
public ComputePipeline(PipelineLayout layout, string spirvPath, PipelineCache cache = null, string name = "pipeline") : base(layout.Dev, cache, name)
{
SpirVPath = spirvPath;
this.layout = layout;
Activate();
}
public void Draw(CommandBuffer cmd, PipelineLayout pipelineLayout, Scene scene, bool shadowPass = false)
{
if (scene.Root == null)
{
return;
}
RenderNode(cmd, pipelineLayout, scene.Root, Matrix4x4.Identity, shadowPass);
}
public void DrawAll(CommandBuffer cmd, PipelineLayout pipelineLayout, bool shadowPass = false)
{
foreach (Scene sc in Scenes)
{
foreach (Node node in sc.Root.Children)
{
RenderNode(cmd, pipelineLayout, node, sc.Root.localMatrix, shadowPass);
}
}
}
public void Draw(CommandBuffer cmd, PipelineLayout pipelineLayout, Buffer instanceBuf, bool shadowPass = false, params InstancedCmd[] instances)
{
cmd.BindVertexBuffer(instanceBuf, 1);
uint firstInstance = 0;
for (int i = 0; i < instances.Length; i++)
{
foreach (Primitive p in Meshes[instances[i].meshIdx].Primitives)
{
if (!shadowPass)
{
cmd.PushConstant(pipelineLayout, VkShaderStageFlags.Fragment, (int)p.material, (uint)Marshal.SizeOf <Matrix4x4>());
}
cmd.DrawIndexed(p.indexCount, instances[i].count, p.indexBase, p.vertexBase, firstInstance);
}
firstInstance += instances[i].count;
}
}
//TODO:destset for binding must be variable //TODO: ADD REFAULT MAT IF NO MAT DEFINED public abstract void RenderNode(CommandBuffer cmd, PipelineLayout pipelineLayout, Node node, Matrix4x4 currentTransform, bool shadowPass = false);
public void PushConstant(PipelineLayout pipelineLayout, VkShaderStageFlags stageFlags, Object data, uint offset = 0)
{
vkCmdPushConstants(handle, pipelineLayout.handle, stageFlags, offset, (uint)Marshal.SizeOf(data), data.Pin());
data.Unpin();
}
public void BindDescriptorSet(VkPipelineBindPoint bindPoint, PipelineLayout pipelineLayout, DescriptorSet descriptorSet, uint firstSet = 0)
{
vkCmdBindDescriptorSets(handle, bindPoint, pipelineLayout.handle, firstSet, 1, ref descriptorSet.handle, 0, IntPtr.Zero);
}