void setupVertexDescriptions()
{
// Binding description
vDescription.bindingDescriptions = VkVertexInputBindingDescription.Alloc();
vDescription.bindingDescriptions[0].binding = VERTEX_BUFFER_BIND_ID;
vDescription.bindingDescriptions[0].stride = (uint)sizeof(Vertex);
vDescription.bindingDescriptions[0].inputRate = VkVertexInputRate.Vertex;
// Attribute descriptions
// Describes memory layout and shader positions
vDescription.attributeDescriptions = VkVertexInputAttributeDescription.Alloc(3);
// Location 0 : Position
vDescription.attributeDescriptions[0].binding = VERTEX_BUFFER_BIND_ID;
vDescription.attributeDescriptions[0].location = 0;
vDescription.attributeDescriptions[0].format = VkFormat.R32g32b32Sfloat;
vDescription.attributeDescriptions[0].offset = Vertex.PositionOffset;
// Location 1 : Texture coordinates
vDescription.attributeDescriptions[1].binding = VERTEX_BUFFER_BIND_ID;
vDescription.attributeDescriptions[1].location = 1;
vDescription.attributeDescriptions[1].format = VkFormat.R32g32Sfloat;
vDescription.attributeDescriptions[1].offset = Vertex.UvOffset;
// Location 1 : Vertex normal
vDescription.attributeDescriptions[2].binding = VERTEX_BUFFER_BIND_ID;
vDescription.attributeDescriptions[2].location = 2;
vDescription.attributeDescriptions[2].format = VkFormat.R32g32b32Sfloat;
vDescription.attributeDescriptions[2].offset = Vertex.NormalOffset;
vDescription.inputState = VkPipelineVertexInputStateCreateInfo.Alloc();
vDescription.inputState[0].vertexBindingDescriptions.count = 1;
vDescription.inputState[0].vertexBindingDescriptions.pointer = vDescription.bindingDescriptions;
vDescription.inputState[0].vertexAttributeDescriptions.count = 3;
vDescription.inputState[0].vertexAttributeDescriptions.pointer = vDescription.attributeDescriptions;
}
void setupVertexDescriptions()
{
// Binding description
vbindingDescs = new VkVertexInputBindingDescription[]
{
new VkVertexInputBindingDescription(
binding: VERTEX_BUFFER_BIND_ID,
stride: (uint)sizeof(Vertex),
inputRate: VkVertexInputRate.Vertex)
};
// Attribute descriptions
vAttrDescs = new VkVertexInputAttributeDescription[] {
// layout (location = 0) in vec3 inPos;
new VkVertexInputAttributeDescription(
location: 0,
binding: VERTEX_BUFFER_BIND_ID,
format: VkFormat.R32g32b32Sfloat,
offset: 0),
// layout (location = 1) in vec3 inColor;
new VkVertexInputAttributeDescription(
location: 1,
binding: VERTEX_BUFFER_BIND_ID,
format: VkFormat.R32g32b32Sfloat,
offset: (uint)sizeof(Vector3)),
};
vertices_inputState = VkPipelineVertexInputStateCreateInfo.Alloc();
vertices_inputState->vertexBindingDescriptions = vbindingDescs;
vertices_inputState->vertexAttributeDescriptions = vAttrDescs;
}
void setupVertexDescriptions()
{
// Binding description
vBindingDescriptions = new VkVertexInputBindingDescription[1];
vBindingDescriptions[0] = new VkVertexInputBindingDescription();
vBindingDescriptions[0].binding = VERTEX_BUFFER_BIND_ID;
vBindingDescriptions[0].stride = (uint)sizeof(Vertex);
vBindingDescriptions[0].inputRate = VkVertexInputRate.Vertex;
// Attribute descriptions
// Describes memory layout and shader positions
vAttrDescriptions = new VkVertexInputAttributeDescription[4];
// Location 0 : Position
vAttrDescriptions[0] = new VkVertexInputAttributeDescription();
vAttrDescriptions[0].binding = VERTEX_BUFFER_BIND_ID;
vAttrDescriptions[0].location = 0;
vAttrDescriptions[0].format = VkFormat.R32g32b32Sfloat;
vAttrDescriptions[0].offset = Vertex.PositionOffset;
// Location 1 : Normal
vAttrDescriptions[1] = new VkVertexInputAttributeDescription();
vAttrDescriptions[1].binding = VERTEX_BUFFER_BIND_ID;
vAttrDescriptions[1].location = 1;
vAttrDescriptions[1].format = VkFormat.R32g32b32Sfloat;
vAttrDescriptions[1].offset = Vertex.NormalOffset;
// Location 2 : Texture coordinates
vAttrDescriptions[2] = new VkVertexInputAttributeDescription();
vAttrDescriptions[2].binding = VERTEX_BUFFER_BIND_ID;
vAttrDescriptions[2].location = 2;
vAttrDescriptions[2].format = VkFormat.R32g32Sfloat;
vAttrDescriptions[2].offset = Vertex.UvOffset;
// Location 3 : Color
vAttrDescriptions[3] = new VkVertexInputAttributeDescription();
vAttrDescriptions[3].binding = VERTEX_BUFFER_BIND_ID;
vAttrDescriptions[3].location = 3;
vAttrDescriptions[3].format = VkFormat.R32g32b32Sfloat;
vAttrDescriptions[3].offset = Vertex.ColorOffset;
vInputStateInfo = VkPipelineVertexInputStateCreateInfo.Alloc();
vInputStateInfo->vertexBindingDescriptions = vBindingDescriptions;
vInputStateInfo->vertexAttributeDescriptions = vAttrDescriptions;
}
void setupVertexDescriptions()
{
// Binding description
bindingDescs = new VkVertexInputBindingDescription[1];
bindingDescs[0].binding = VERTEX_BUFFER_BIND_ID;
bindingDescs[0].stride = vertexLayout.stride();
bindingDescs[0].inputRate = VkVertexInputRate.Vertex;// VK_VERTEX_INPUT_RATE_VERTEX;
// Attribute descriptions
attributeDescs = VkVertexInputAttributeDescription.Alloc(4);
// Location 0 : Position
attributeDescs[0].binding = VERTEX_BUFFER_BIND_ID;
attributeDescs[0].location = 0;
attributeDescs[0].format = VkFormat.R32g32b32Sfloat;// VK_FORMAT_R32G32B32_SFLOAT,
attributeDescs[0].offset = 0;
// Location 1 : Texture coordinates
attributeDescs[1].binding = VERTEX_BUFFER_BIND_ID;
attributeDescs[1].location = 1;
attributeDescs[1].format = VkFormat.R32g32Sfloat;// VK_FORMAT_R32G32_SFLOAT,
attributeDescs[1].offset = sizeof(float) * 3;
// Location 2 : Color
attributeDescs[2].binding = VERTEX_BUFFER_BIND_ID;
attributeDescs[2].location = 2;
attributeDescs[2].format = VkFormat.R32g32b32Sfloat;// VK_FORMAT_R32G32B32_SFLOAT,
attributeDescs[2].offset = sizeof(float) * 5;
// Location 3 : Normal
attributeDescs[3].binding = VERTEX_BUFFER_BIND_ID;
attributeDescs[3].location = 3;
attributeDescs[3].format = VkFormat.R32g32b32Sfloat;// VK_FORMAT_R32G32B32_SFLOAT,
attributeDescs[3].offset = sizeof(float) * 8;
inputInfo = VkPipelineVertexInputStateCreateInfo.Alloc();
inputInfo[0].vertexBindingDescriptions = bindingDescs;
inputInfo[0].vertexAttributeDescriptions.count = 4;
inputInfo[0].vertexAttributeDescriptions.pointer = attributeDescs;
}
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;
}
}
