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);
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, "#deferred.skybox.vert.spv");
cfg.AddShader(VkShaderStageFlags.Fragment, "#deferred.skybox.frag.spv");
cfg.multisampleState.rasterizationSamples = Samples;
layout = cfg.Layout;
init(cfg);
generateBRDFLUT(staggingQ, cmdPool);
generateCubemaps(staggingQ, cmdPool);
}
}
/// <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 FSQPipeline(RenderPass renderPass, PipelineLayout pipelineLayout, int attachment = 0, PipelineCache pipelineCache = null)
: base(renderPass, pipelineCache, "FSQ pipeline")
{
using (GraphicPipelineConfig cfg = GraphicPipelineConfig.CreateDefault(VkPrimitiveTopology.TriangleList, this.RenderPass.Samples, false)) {
cfg.RenderPass = RenderPass;
cfg.Layout = pipelineLayout;
cfg.AddShader(Dev, VkShaderStageFlags.Vertex, "#vke.FullScreenQuad.vert.spv");
cfg.AddShader(Dev, VkShaderStageFlags.Fragment, FragPath);
cfg.multisampleState.rasterizationSamples = Samples;
cfg.blendAttachments[attachment] = new VkPipelineColorBlendAttachmentState(true);
layout = cfg.Layout;
init(cfg);
}
}
/// <summary>
/// execute the descriptors writes targeting descriptorSets setted on AddWriteInfo call
/// </summary>
public void Push(PrimaryCommandBuffer cmd, PipelineLayout plLayout, params object[] descriptors)
{
using (PinnedObjects pinCtx = new PinnedObjects()) {
int i = 0;
int wdsPtr = 0;
while (i < descriptors.Length)
{
int firstDescriptor = i;
VkWriteDescriptorSet wds = WriteDescriptorSets[wdsPtr];
wds.dstSet = 0;
IntPtr pDescriptors = IntPtr.Zero;
if (wds.descriptorCount > 1)
{
List <IntPtr> descPtrArray = new List <IntPtr> ();
for (int d = 0; d < wds.descriptorCount; d++)
{
descPtrArray.Add(descriptors[i].Pin(pinCtx));
i++;
}
pDescriptors = descPtrArray.Pin(pinCtx);
}
else
{
pDescriptors = descriptors[i].Pin(pinCtx);
i++;
}
if (descriptors[firstDescriptor] is VkDescriptorBufferInfo)
{
wds.pBufferInfo = pDescriptors;
}
else if (descriptors[firstDescriptor] is VkDescriptorImageInfo)
{
wds.pImageInfo = pDescriptors;
}
WriteDescriptorSets[wdsPtr] = wds;
wdsPtr++;
}
vkCmdPushDescriptorSetKHR(cmd.Handle, VkPipelineBindPoint.Graphics, plLayout.handle, 0,
(uint)WriteDescriptorSets.Count, WriteDescriptorSets.Pin(pinCtx));
}
}
public void PushConstant(PipelineLayout pipelineLayout, VkShaderStageFlags stageFlags, uint size, Object data, uint offset = 0)
{
vkCmdPushConstants(handle, pipelineLayout.handle, stageFlags, offset, size, data.Pin());
data.Unpin();
}
public void BindDescriptorSets(VkPipelineBindPoint bindPoint, PipelineLayout pipelineLayout, uint firstSet, params DescriptorSet[] descriptorSets)
{
vkCmdBindDescriptorSets(handle, bindPoint, pipelineLayout.handle, firstSet, (uint)descriptorSets.Length, descriptorSets.Pin(), 0, IntPtr.Zero);
descriptorSets.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);
}