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Moved vertex input state setup into pipeline creation

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This commit is contained in:
saschawillems 2017-10-21 16:04:09 +02:00
parent cee95e30c5
commit f289863a1b
1 changed files with 21 additions and 57 deletions
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78
terraintessellation/terraintessellation.cpp
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@ -53,12 +53,6 @@ public:
vks::Model skysphere;
} models;
struct {
VkPipelineVertexInputStateCreateInfo inputState;
std::vector<VkVertexInputBindingDescription> bindingDescriptions;
std::vector<VkVertexInputAttributeDescription> attributeDescriptions;
} vertices;
struct {
vks::Buffer terrainTessellation;
vks::Buffer skysphereVertex;
@ -590,51 +584,6 @@ public:
delete[] indices;
}
void setupVertexDescriptions()
{
// Binding description
vertices.bindingDescriptions.resize(1);
vertices.bindingDescriptions[0] =
vks::initializers::vertexInputBindingDescription(
VERTEX_BUFFER_BIND_ID,
vertexLayout.stride(),
VK_VERTEX_INPUT_RATE_VERTEX);
// Attribute descriptions
// Describes memory layout and shader positions
vertices.attributeDescriptions.resize(3);
// Location 0 : Position
vertices.attributeDescriptions[0] =
vks::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
0,
VK_FORMAT_R32G32B32_SFLOAT,
0);
// Location 1 : Normals
vertices.attributeDescriptions[1] =
vks::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
1,
VK_FORMAT_R32G32B32_SFLOAT,
sizeof(float) * 3);
// Location 2 : Texture coordinates
vertices.attributeDescriptions[2] =
vks::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
2,
VK_FORMAT_R32G32_SFLOAT,
sizeof(float) * 6);
vertices.inputState = vks::initializers::pipelineVertexInputStateCreateInfo();
vertices.inputState.vertexBindingDescriptionCount = static_cast<uint32_t>(vertices.bindingDescriptions.size());
vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
vertices.inputState.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertices.attributeDescriptions.size());
vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
}
void setupDescriptorPool()
{
std::vector<VkDescriptorPoolSize> poolSizes =
@ -812,6 +761,25 @@ public:
VkPipelineTessellationStateCreateInfo tessellationState =
vks::initializers::pipelineTessellationStateCreateInfo(4);
// Vertex bindings an attributes
// Binding description
std::vector<VkVertexInputBindingDescription> vertexInputBindings = {
vks::initializers::vertexInputBindingDescription(0, vertexLayout.stride(), VK_VERTEX_INPUT_RATE_VERTEX),
};
// Attribute descriptions
std::vector<VkVertexInputAttributeDescription> vertexInputAttributes = {
vks::initializers::vertexInputAttributeDescription(0, 0, VK_FORMAT_R32G32B32_SFLOAT, 0), // Position
vks::initializers::vertexInputAttributeDescription(0, 1, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 3), // Normal
vks::initializers::vertexInputAttributeDescription(0, 2, VK_FORMAT_R32G32_SFLOAT, sizeof(float) * 6), // UV
};
VkPipelineVertexInputStateCreateInfo vertexInputState = vks::initializers::pipelineVertexInputStateCreateInfo();
vertexInputState.vertexBindingDescriptionCount = static_cast<uint32_t>(vertexInputBindings.size());
vertexInputState.pVertexBindingDescriptions = vertexInputBindings.data();
vertexInputState.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertexInputAttributes.size());
vertexInputState.pVertexAttributeDescriptions = vertexInputAttributes.data();
std::array<VkPipelineShaderStageCreateInfo, 4> shaderStages;
// Terrain tessellation pipeline
@ -821,12 +789,9 @@ public:
shaderStages[3] = loadShader(getAssetPath() + "shaders/terraintessellation/terrain.tese.spv", VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT);
VkGraphicsPipelineCreateInfo pipelineCreateInfo =
vks::initializers::pipelineCreateInfo(
pipelineLayouts.terrain,
renderPass,
0);
vks::initializers::pipelineCreateInfo(pipelineLayouts.terrain, renderPass, 0);
pipelineCreateInfo.pVertexInputState = &vertices.inputState;
pipelineCreateInfo.pVertexInputState = &vertexInputState;
pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
pipelineCreateInfo.pRasterizationState = &rasterizationState;
pipelineCreateInfo.pColorBlendState = &colorBlendState;
@ -950,7 +915,6 @@ public:
if (deviceFeatures.pipelineStatisticsQuery) {
setupQueryResultBuffer();
}
setupVertexDescriptions();
prepareUniformBuffers();
setupDescriptorSetLayouts();
preparePipelines();