void setupVertexDescriptions()
{
// Binding description
vertices.bindingDescriptions.Count = 1;
vertices.bindingDescriptions[0] =
Initializers.vertexInputBindingDescription(
VERTEX_BUFFER_BIND_ID,
vertexLayout.GetStride(),
VkVertexInputRate.Vertex);
// Attribute descriptions
// Describes memory layout and shader positions
vertices.attributeDescriptions.Count = 3;
// Location 0 : Position
vertices.attributeDescriptions[0] =
Initializers.vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
0,
VkFormat.R32g32b32Sfloat,
0);
// Location 1 : Normal
vertices.attributeDescriptions[1] =
Initializers.vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
1,
VkFormat.R32g32b32Sfloat,
sizeof(float) * 3);
// Location 2 : Texture coordinates
vertices.attributeDescriptions[2] =
Initializers.vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
2,
VkFormat.R32g32Sfloat,
sizeof(float) * 5);
vertices.inputState = Initializers.pipelineVertexInputStateCreateInfo();
vertices.inputState.vertexBindingDescriptionCount = vertices.bindingDescriptions.Count;
vertices.inputState.pVertexBindingDescriptions = (VkVertexInputBindingDescription*)vertices.bindingDescriptions.Data;
vertices.inputState.vertexAttributeDescriptionCount = vertices.attributeDescriptions.Count;
vertices.inputState.pVertexAttributeDescriptions = (VkVertexInputAttributeDescription*)vertices.attributeDescriptions.Data;
}
void setupVertexDescriptions()
{
// Binding description
vertices_bindingDescriptions.Count = 1;
vertices_bindingDescriptions[0] = Initializers.vertexInputBindingDescription(VERTEX_BUFFER_BIND_ID, vertexLayout.stride(), VK_VERTEX_INPUT_RATE_VERTEX);
// Attribute descriptions
vertices_attributeDescriptions = new NativeList <VkVertexInputAttributeDescription>
{
// Location 0 : Position
Initializers.vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
0,
VK_FORMAT_R32G32B32_SFLOAT,
0),
// Location 1 : Color
Initializers.vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
1,
VK_FORMAT_R32G32B32_SFLOAT,
sizeof(float) * 3),
// Location 3 : Texture coordinates
Initializers.vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
2,
VK_FORMAT_R32G32_SFLOAT,
sizeof(float) * 6),
// Location 2 : Normal
Initializers.vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
3,
VK_FORMAT_R32G32B32_SFLOAT,
sizeof(float) * 8),
};
vertices_inputState = Initializers.pipelineVertexInputStateCreateInfo();
vertices_inputState.vertexBindingDescriptionCount = vertices_bindingDescriptions.Count;
vertices_inputState.pVertexBindingDescriptions = (VkVertexInputBindingDescription *)vertices_bindingDescriptions.Data;
vertices_inputState.vertexAttributeDescriptionCount = vertices_attributeDescriptions.Count;
vertices_inputState.pVertexAttributeDescriptions = (VkVertexInputAttributeDescription *)vertices_attributeDescriptions.Data;
}
void setupVertexDescriptions()
{
// Binding description
vertices_bindingDescriptions = new NativeList <VkVertexInputBindingDescription>
{
Initializers.vertexInputBindingDescription(VERTEX_BUFFER_BIND_ID, (uint)sizeof(Vertex), VK_VERTEX_INPUT_RATE_VERTEX),
};
// Attribute descriptions
vertices_attributeDescriptions = new NativeList <VkVertexInputAttributeDescription>
{
Initializers.vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 0, VK_FORMAT_R32G32B32_SFLOAT, 0), // Location 0 : Position
Initializers.vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 1, VK_FORMAT_R32G32B32_SFLOAT, (uint)sizeof(Vector3)), // Location 1 : Color
};
vertices_inputState = Initializers.pipelineVertexInputStateCreateInfo();
vertices_inputState.vertexBindingDescriptionCount = vertices_bindingDescriptions.Count;
vertices_inputState.pVertexBindingDescriptions = (VkVertexInputBindingDescription *)vertices_bindingDescriptions.Data;
vertices_inputState.vertexAttributeDescriptionCount = vertices_attributeDescriptions.Count;
vertices_inputState.pVertexAttributeDescriptions = (VkVertexInputAttributeDescription *)vertices_attributeDescriptions.Data;
}
void preparePipelines()
{
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
Initializers.pipelineInputAssemblyStateCreateInfo(
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
0,
VK_FALSE);
VkPipelineRasterizationStateCreateInfo rasterizationState =
Initializers.pipelineRasterizationStateCreateInfo(
VK_POLYGON_MODE_FILL,
VK_CULL_MODE_NONE,
VK_FRONT_FACE_COUNTER_CLOCKWISE,
0);
VkPipelineColorBlendAttachmentState blendAttachmentState =
Initializers.pipelineColorBlendAttachmentState(
0xf,
VK_FALSE);
VkPipelineColorBlendStateCreateInfo colorBlendState =
Initializers.pipelineColorBlendStateCreateInfo(
1,
&blendAttachmentState);
VkPipelineDepthStencilStateCreateInfo depthStencilState =
Initializers.pipelineDepthStencilStateCreateInfo(
VK_TRUE,
VK_TRUE,
VK_COMPARE_OP_LESS_OR_EQUAL);
VkPipelineViewportStateCreateInfo viewportState =
Initializers.pipelineViewportStateCreateInfo(1, 1, 0);
VkPipelineMultisampleStateCreateInfo multisampleState =
Initializers.pipelineMultisampleStateCreateInfo(
VK_SAMPLE_COUNT_1_BIT,
0);
NativeList <VkDynamicState> dynamicStateEnables = new NativeList <VkDynamicState>
{
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR
};
VkPipelineDynamicStateCreateInfo dynamicState =
Initializers.pipelineDynamicStateCreateInfo(
(VkDynamicState *)dynamicStateEnables.Data,
dynamicStateEnables.Count,
0);
FixedArray2 <VkPipelineShaderStageCreateInfo> shaderStages = new FixedArray2 <VkPipelineShaderStageCreateInfo>();
VkGraphicsPipelineCreateInfo pipelineCreateInfo =
Initializers.pipelineCreateInfo(
pipelineLayouts_radialBlur,
renderPass,
0);
pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
pipelineCreateInfo.pRasterizationState = &rasterizationState;
pipelineCreateInfo.pColorBlendState = &colorBlendState;
pipelineCreateInfo.pMultisampleState = &multisampleState;
pipelineCreateInfo.pViewportState = &viewportState;
pipelineCreateInfo.pDepthStencilState = &depthStencilState;
pipelineCreateInfo.pDynamicState = &dynamicState;
pipelineCreateInfo.stageCount = shaderStages.Count;
pipelineCreateInfo.pStages = &shaderStages.First;
// Radial blur pipeline
shaderStages.First = loadShader(getAssetPath() + "shaders/radialblur/radialblur.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages.Second = loadShader(getAssetPath() + "shaders/radialblur/radialblur.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
// Empty vertex input state
VkPipelineVertexInputStateCreateInfo emptyInputState = Initializers.pipelineVertexInputStateCreateInfo();
pipelineCreateInfo.pVertexInputState = &emptyInputState;
pipelineCreateInfo.layout = pipelineLayouts_radialBlur;
// Additive blending
blendAttachmentState.colorWriteMask = (VkColorComponentFlags)0xF;
blendAttachmentState.blendEnable = VK_TRUE;
blendAttachmentState.colorBlendOp = VK_BLEND_OP_ADD;
blendAttachmentState.srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
blendAttachmentState.dstColorBlendFactor = VK_BLEND_FACTOR_ONE;
blendAttachmentState.alphaBlendOp = VK_BLEND_OP_ADD;
blendAttachmentState.srcAlphaBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
blendAttachmentState.dstAlphaBlendFactor = VK_BLEND_FACTOR_DST_ALPHA;
Util.CheckResult(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, null, out pipelines_radialBlur));
// No blending (for debug display)
blendAttachmentState.blendEnable = VK_FALSE;
Util.CheckResult(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, null, out pipelines_offscreenDisplay));
// Phong pass
pipelineCreateInfo.layout = pipelineLayouts_scene;
shaderStages.First = loadShader(getAssetPath() + "shaders/radialblur/phongpass.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages.Second = loadShader(getAssetPath() + "shaders/radialblur/phongpass.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
var vis = vertices_inputState;
pipelineCreateInfo.pVertexInputState = &vis;
blendAttachmentState.blendEnable = VK_FALSE;
depthStencilState.depthWriteEnable = VK_TRUE;
Util.CheckResult(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, null, out pipelines_phongPass));
// Color only pass (offscreen blur base)
shaderStages.First = loadShader(getAssetPath() + "shaders/radialblur/colorpass.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages.Second = loadShader(getAssetPath() + "shaders/radialblur/colorpass.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
pipelineCreateInfo.renderPass = offscreenPass.renderPass;
Util.CheckResult(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, null, out pipelines_colorPass));
}