protected void init(GraphicPipelineConfig cfg)
{
if (state != ActivableState.Activated)
{
Layout.Activate();
RenderPass.Activate();
Cache?.Activate();
List <VkPipelineShaderStageCreateInfo> shaderStages = new List <VkPipelineShaderStageCreateInfo> ();
foreach (ShaderInfo shader in cfg.Shaders)
{
shaderStages.Add(shader.Info);
}
using (PinnedObjects pctx = new PinnedObjects()) {
VkPipelineColorBlendStateCreateInfo colorBlendInfo = VkPipelineColorBlendStateCreateInfo.New();
colorBlendInfo.logicOpEnable = cfg.ColorBlendLogicOpEnable;
colorBlendInfo.logicOp = cfg.ColorBlendLogicOp;
unsafe {
colorBlendInfo.blendConstants[0] = cfg.ColorBlendConstants.X;
colorBlendInfo.blendConstants[1] = cfg.ColorBlendConstants.Y;
colorBlendInfo.blendConstants[2] = cfg.ColorBlendConstants.Z;
colorBlendInfo.blendConstants[3] = cfg.ColorBlendConstants.W;
}
colorBlendInfo.attachmentCount = (uint)cfg.blendAttachments.Count;
colorBlendInfo.pAttachments = cfg.blendAttachments.Pin(pctx);
VkPipelineDynamicStateCreateInfo dynStatesInfo = VkPipelineDynamicStateCreateInfo.New();
dynStatesInfo.dynamicStateCount = (uint)cfg.dynamicStates.Count;
dynStatesInfo.pDynamicStates = cfg.dynamicStates.Cast <int> ().ToArray().Pin(pctx);
VkPipelineVertexInputStateCreateInfo vertInputInfo = VkPipelineVertexInputStateCreateInfo.New();
vertInputInfo.vertexBindingDescriptionCount = (uint)cfg.vertexBindings.Count;
vertInputInfo.pVertexBindingDescriptions = cfg.vertexBindings.Pin(pctx);
vertInputInfo.vertexAttributeDescriptionCount = (uint)cfg.vertexAttributes.Count;
vertInputInfo.pVertexAttributeDescriptions = cfg.vertexAttributes.Pin(pctx);
VkPipelineViewportStateCreateInfo viewportState = VkPipelineViewportStateCreateInfo.New();
if (cfg.Viewports.Count > 0)
{
viewportState.viewportCount = (uint)cfg.Viewports.Count;
viewportState.pViewports = cfg.Viewports.Pin(pctx);
}
else
{
viewportState.viewportCount = 1;
}
if (cfg.Scissors.Count > 0)
{
viewportState.scissorCount = (uint)cfg.Scissors.Count;
viewportState.pScissors = cfg.Scissors.Pin(pctx);
}
else
{
viewportState.scissorCount = 1;
}
VkGraphicsPipelineCreateInfo info = VkGraphicsPipelineCreateInfo.New();
info.renderPass = RenderPass.handle;
info.layout = Layout.handle;
info.pVertexInputState = vertInputInfo.Pin(pctx);
info.pInputAssemblyState = cfg.inputAssemblyState.Pin(pctx);
info.pRasterizationState = cfg.rasterizationState.Pin(pctx);
info.pColorBlendState = colorBlendInfo.Pin(pctx);
info.pMultisampleState = cfg.multisampleState.Pin(pctx);
info.pViewportState = viewportState.Pin(pctx);
info.pDepthStencilState = cfg.depthStencilState.Pin(pctx);
info.pDynamicState = dynStatesInfo.Pin(pctx);
info.stageCount = (uint)cfg.Shaders.Count;
info.pStages = shaderStages.Pin(pctx);
info.subpass = cfg.SubpassIndex;
Utils.CheckResult(vkCreateGraphicsPipelines(Dev.VkDev, Cache == null ? VkPipelineCache.Null : Cache.handle, 1, ref info, IntPtr.Zero, out handle));
}
}
base.Activate();
}
