void preparePipelines()
{
var inputAssemblyState = VkPipelineInputAssemblyStateCreateInfo.Alloc();
inputAssemblyState[0].topology = VkPrimitiveTopology.TriangleList;
inputAssemblyState[0].primitiveRestartEnable = false;
var rasterizationState = VkPipelineRasterizationStateCreateInfo.Alloc();
rasterizationState[0].polygonMode = VkPolygonMode.Fill;
rasterizationState[0].cullMode = VkCullModeFlagBits.None;
rasterizationState[0].frontFace = VkFrontFace.CounterClockwise;
rasterizationState[0].depthClampEnable = false;
rasterizationState[0].lineWidth = 1.0f;
var blendAttachmentState = VkPipelineColorBlendAttachmentState.Alloc();
blendAttachmentState[0].colorWriteMask = (VkColorComponentFlagBits)0xf;
blendAttachmentState[0].blendEnable = false;
var colorBlendState = VkPipelineColorBlendStateCreateInfo.Alloc();
colorBlendState[0].attachments.count = 1;
colorBlendState[0].attachments.pointer = blendAttachmentState;
var depthStencilState = VkPipelineDepthStencilStateCreateInfo.Alloc();
depthStencilState[0].depthTestEnable = true;
depthStencilState[0].depthWriteEnable = true;
depthStencilState[0].depthCompareOp = VkCompareOp.LessOrEqual;
depthStencilState[0].front = depthStencilState[0].back;
depthStencilState[0].back.compareOp = VkCompareOp.Always;
var viewportState = VkPipelineViewportStateCreateInfo.Alloc();
viewportState[0].viewports.count = 1;
viewportState[0].scissors.count = 1;
var multisampleState = VkPipelineMultisampleStateCreateInfo.Alloc();
multisampleState[0].rasterizationSamples = VkSampleCountFlagBits._1;
var dynamicStateEnables = new VkDynamicState[] {
VkDynamicState.Viewport,
VkDynamicState.Scissor
};
var dynamicState = VkPipelineDynamicStateCreateInfo.Alloc();
dynamicState[0].dynamicStates = dynamicStateEnables;
// Load shaders
var shaderStages = VkPipelineShaderStageCreateInfo.Alloc(2);
shaderStages[0] = loadShader(getAssetPath() + "shaders/texture/texture.vert.spv", VkShaderStageFlagBits.Vertex);
shaderStages[1] = loadShader(getAssetPath() + "shaders/texture/texture.frag.spv", VkShaderStageFlagBits.Fragment);
var pipelineCreateInfo = VkGraphicsPipelineCreateInfo.Alloc();
pipelineCreateInfo[0].layout = pipelineLayout;
pipelineCreateInfo[0].renderPass = renderPass;
pipelineCreateInfo[0].basePipelineIndex = -1;
var vertexInputState = vDescription.inputState;
pipelineCreateInfo[0].pVertexInputState = vertexInputState;
pipelineCreateInfo[0].pInputAssemblyState = inputAssemblyState;
pipelineCreateInfo[0].pRasterizationState = rasterizationState;
pipelineCreateInfo[0].pColorBlendState = colorBlendState;
pipelineCreateInfo[0].pMultisampleState = multisampleState;
pipelineCreateInfo[0].pViewportState = viewportState;
pipelineCreateInfo[0].pDepthStencilState = depthStencilState;
pipelineCreateInfo[0].pDynamicState = dynamicState;
pipelineCreateInfo[0].stages.count = 2;
pipelineCreateInfo[0].stages.pointer = shaderStages;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, pipelineCreateInfo, null, &pipeline);
this.pipeline = pipeline;
}
}
void preparePipelines()
{
var inputAssemblyState = VkPipelineInputAssemblyStateCreateInfo.Alloc();
inputAssemblyState->topology = VkPrimitiveTopology.TriangleList;
inputAssemblyState->primitiveRestartEnable = false;
var rasterizationState = VkPipelineRasterizationStateCreateInfo.Alloc();
rasterizationState->polygonMode = VkPolygonMode.Fill;
rasterizationState->cullMode = VkCullModeFlagBits.None;
rasterizationState->frontFace = VkFrontFace.CounterClockwise;
rasterizationState->lineWidth = 1.0f;
var blendAttachmentState = VkPipelineColorBlendAttachmentState.Alloc();
blendAttachmentState->colorWriteMask = (VkColorComponentFlagBits)0xf;
blendAttachmentState->blendEnable = false;
var colorBlendState = VkPipelineColorBlendStateCreateInfo.Alloc();
colorBlendState->attachments.count = 1;
colorBlendState->attachments.pointer = blendAttachmentState;
var depthStencilState = VkPipelineDepthStencilStateCreateInfo.Alloc();
depthStencilState->depthTestEnable = true;
depthStencilState->depthWriteEnable = true;
depthStencilState->depthCompareOp = VkCompareOp.LessOrEqual;
depthStencilState->front = depthStencilState->back;
depthStencilState->back.compareOp = VkCompareOp.Always;
var viewportState = VkPipelineViewportStateCreateInfo.Alloc();
viewportState[0].viewports.count = 1;
viewportState[0].scissors.count = 1;
var multisampleState = VkPipelineMultisampleStateCreateInfo.Alloc();
multisampleState->rasterizationSamples = VkSampleCountFlagBits._1;
var dynamicStateEnables = new VkDynamicState[] { VkDynamicState.Viewport, VkDynamicState.Scissor };
var dynamicState = VkPipelineDynamicStateCreateInfo.Alloc();
dynamicState[0].dynamicStates = dynamicStateEnables;
var shaderStages = VkPipelineShaderStageCreateInfo.Alloc(2);
var pipelineCreateInfo = VkGraphicsPipelineCreateInfo.Alloc();
pipelineCreateInfo->layout = pipelineLayoutRadialBlur;
pipelineCreateInfo->renderPass = renderPass;
pipelineCreateInfo->basePipelineIndex = -1;
pipelineCreateInfo->pInputAssemblyState = inputAssemblyState;
pipelineCreateInfo->pRasterizationState = rasterizationState;
pipelineCreateInfo->pColorBlendState = colorBlendState;
pipelineCreateInfo->pMultisampleState = multisampleState;
pipelineCreateInfo->pViewportState = viewportState;
pipelineCreateInfo->pDepthStencilState = depthStencilState;
pipelineCreateInfo->pDynamicState = dynamicState;
pipelineCreateInfo->stages.count = 2;
pipelineCreateInfo->stages.pointer = shaderStages;
// Radial blur pipeline
shaderStages[0] = loadShader(getAssetPath() + "shaders/radialblur/radialblur.vert.spv", VkShaderStageFlagBits.Vertex);
shaderStages[1] = loadShader(getAssetPath() + "shaders/radialblur/radialblur.frag.spv", VkShaderStageFlagBits.Fragment);
// Empty vertex input state
var emptyInputState = VkPipelineVertexInputStateCreateInfo.Alloc();
pipelineCreateInfo->pVertexInputState = emptyInputState;
pipelineCreateInfo->layout = pipelineLayoutRadialBlur;
// Additive blending
blendAttachmentState->colorWriteMask = (VkColorComponentFlagBits)0xF;
blendAttachmentState->blendEnable = true;
blendAttachmentState->colorBlendOp = VkBlendOp.Add;
blendAttachmentState->srcColorBlendFactor = VkBlendFactor.One;
blendAttachmentState->dstColorBlendFactor = VkBlendFactor.One;
blendAttachmentState->alphaBlendOp = VkBlendOp.Add;
blendAttachmentState->srcAlphaBlendFactor = VkBlendFactor.SrcAlpha;
blendAttachmentState->dstAlphaBlendFactor = VkBlendFactor.DstAlpha;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, pipelineCreateInfo, null, &pipeline);
this.pipelineRadialBlur = pipeline;
}
// No blending (for debug display)
blendAttachmentState->blendEnable = false;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, pipelineCreateInfo, null, &pipeline);
this.pipelineOffscreenDisplay = pipeline;
}
// Phong pass
pipelineCreateInfo->layout = pipelineLayoutScene;
shaderStages[0] = loadShader(getAssetPath() + "shaders/radialblur/phongpass.vert.spv", VkShaderStageFlagBits.Vertex);
shaderStages[1] = loadShader(getAssetPath() + "shaders/radialblur/phongpass.frag.spv", VkShaderStageFlagBits.Fragment);
pipelineCreateInfo->pVertexInputState = inputInfo;
blendAttachmentState->blendEnable = false;
depthStencilState->depthWriteEnable = true;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, pipelineCreateInfo, null, &pipeline);
this.pipelinePhongPass = pipeline;
}
// Color only pass (offscreen blur base)
shaderStages[0] = loadShader(getAssetPath() + "shaders/radialblur/colorpass.vert.spv", VkShaderStageFlagBits.Vertex);
shaderStages[1] = loadShader(getAssetPath() + "shaders/radialblur/colorpass.frag.spv", VkShaderStageFlagBits.Fragment);
pipelineCreateInfo->renderPass = offscreenPass.renderPass;
{
VkPipeline pipeline;
vkCreateGraphicsPipelines(device, pipelineCache, 1, pipelineCreateInfo, null, &pipeline);
this.pipelineColorPass = pipeline;
}
}