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Code cleanup

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This commit is contained in:
Sascha Willems 2024-01-15 19:12:23 +01:00
parent 668b9c9b57
commit 4d67a5a8b5
1 changed files with 53 additions and 111 deletions
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154
examples/sphericalenvmapping/sphericalenvmapping.cpp
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@ -1,5 +1,5 @@
/* /*
* Vulkan Example - Spherical Environment Mapping, using different mat caps * Vulkan Example - Spherical Environment Mapping, using different mat caps stored in an array texture
* *
* Use +/-/space toggle through different material captures * Use +/-/space toggle through different material captures
* *
@ -19,19 +19,20 @@ public:
vkglTF::Model model; vkglTF::Model model;
vks::Texture2DArray matCapTextureArray; vks::Texture2DArray matCapTextureArray;
struct UBOVS { struct UniformData {
glm::mat4 projection; glm::mat4 projection;
glm::mat4 model; glm::mat4 model;
glm::mat4 normal; glm::mat4 normal;
glm::mat4 view; glm::mat4 view;
// Selects the texture index of the material to display (see sem.vert)
int32_t texIndex = 0; int32_t texIndex = 0;
} uboVS; } uniformData;
vks::Buffer uniformBuffer; vks::Buffer uniformBuffer;
VkPipeline pipeline; VkPipeline pipeline{ VK_NULL_HANDLE };
VkPipelineLayout pipelineLayout; VkPipelineLayout pipelineLayout{ VK_NULL_HANDLE };
VkDescriptorSet descriptorSet; VkDescriptorSet descriptorSet{ VK_NULL_HANDLE };
VkDescriptorSetLayout descriptorSetLayout; VkDescriptorSetLayout descriptorSetLayout{ VK_NULL_HANDLE };
VulkanExample() : VulkanExampleBase() VulkanExample() : VulkanExampleBase()
{ {
@ -45,21 +46,19 @@ public:
~VulkanExample() ~VulkanExample()
{ {
// Clean up used Vulkan resources if (device) {
// Note : Inherited destructor cleans up resources stored in base class
vkDestroyPipeline(device, pipeline, nullptr); vkDestroyPipeline(device, pipeline, nullptr);
vkDestroyPipelineLayout(device, pipelineLayout, nullptr); vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr); vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
uniformBuffer.destroy(); uniformBuffer.destroy();
matCapTextureArray.destroy(); matCapTextureArray.destroy();
} }
}
void loadAssets() void loadAssets()
{ {
model.loadFromFile(getAssetPath() + "models/chinesedragon.gltf", vulkanDevice, queue, vkglTF::FileLoadingFlags::PreTransformVertices | vkglTF::FileLoadingFlags::PreMultiplyVertexColors | vkglTF::FileLoadingFlags::FlipY); model.loadFromFile(getAssetPath() + "models/chinesedragon.gltf", vulkanDevice, queue, vkglTF::FileLoadingFlags::PreTransformVertices | vkglTF::FileLoadingFlags::PreMultiplyVertexColors | vkglTF::FileLoadingFlags::FlipY);
// Multiple mat caps are stored in a single texture array so they can easily be switched inside the shader just by updating the index in a uniform buffer // Multiple mat caps are stored in a single array texture so they can easily be switched inside the shader just by updating the index in a uniform buffer
matCapTextureArray.loadFromFile(getAssetPath() + "textures/matcap_array_rgba.ktx", VK_FORMAT_R8G8B8A8_UNORM, vulkanDevice, queue); matCapTextureArray.loadFromFile(getAssetPath() + "textures/matcap_array_rgba.ktx", VK_FORMAT_R8G8B8A8_UNORM, vulkanDevice, queue);
} }
@ -107,81 +106,45 @@ public:
} }
} }
void setupDescriptorPool() void setupDescriptors()
{
// Example uses one ubo and one image sampler
std::vector<VkDescriptorPoolSize> poolSizes =
{ {
// Pool
std::vector<VkDescriptorPoolSize> poolSizes = {
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1), vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1) vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1)
}; };
VkDescriptorPoolCreateInfo descriptorPoolInfo = vks::initializers::descriptorPoolCreateInfo(poolSizes, 2);
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vks::initializers::descriptorPoolCreateInfo(poolSizes, 2);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool)); VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void setupDescriptorSetLayout() // Layout
{ std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings =
{
// Binding 0 : Vertex shader uniform buffer // Binding 0 : Vertex shader uniform buffer
vks::initializers::descriptorSetLayoutBinding( vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0),
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_SHADER_STAGE_VERTEX_BIT,
0),
// Binding 1 : Fragment shader color map image sampler // Binding 1 : Fragment shader color map image sampler
vks::initializers::descriptorSetLayoutBinding( vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 1)
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
1)
}; };
VkDescriptorSetLayoutCreateInfo descriptorLayout = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
VkDescriptorSetLayoutCreateInfo descriptorLayout =
vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout)); VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = // Set
vks::initializers::pipelineLayoutCreateInfo( VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayout, 1);
&descriptorSetLayout,
1);
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
}
void setupDescriptorSet()
{
VkDescriptorSetAllocateInfo allocInfo =
vks::initializers::descriptorSetAllocateInfo(
descriptorPool,
&descriptorSetLayout,
1);
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet)); VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
std::vector<VkWriteDescriptorSet> writeDescriptorSets =
{
// Binding 0 : Vertex shader uniform buffer // Binding 0 : Vertex shader uniform buffer
vks::initializers::writeDescriptorSet( vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffer.descriptor),
descriptorSet,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
0,
&uniformBuffer.descriptor),
// Binding 1 : Fragment shader image sampler // Binding 1 : Fragment shader image sampler
vks::initializers::writeDescriptorSet( vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, &matCapTextureArray.descriptor)
descriptorSet,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
1,
&matCapTextureArray.descriptor)
}; };
vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, nullptr); vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, nullptr);
} }
void preparePipelines() void preparePipelines()
{ {
// Layout
VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayout, 1);
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCreateInfo, nullptr, &pipelineLayout));
// Pipeline
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState = vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE); VkPipelineInputAssemblyStateCreateInfo inputAssemblyState = vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE);
VkPipelineRasterizationStateCreateInfo rasterizationState = vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_BACK_BIT, VK_FRONT_FACE_COUNTER_CLOCKWISE, 0); VkPipelineRasterizationStateCreateInfo rasterizationState = vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_BACK_BIT, VK_FRONT_FACE_COUNTER_CLOCKWISE, 0);
VkPipelineColorBlendAttachmentState blendAttachmentState = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE); VkPipelineColorBlendAttachmentState blendAttachmentState = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE);
@ -214,36 +177,17 @@ public:
void prepareUniformBuffers() void prepareUniformBuffers()
{ {
// Vertex shader uniform buffer block // Vertex shader uniform buffer block
VK_CHECK_RESULT(vulkanDevice->createBuffer( VK_CHECK_RESULT(vulkanDevice->createBuffer(VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &uniformBuffer, sizeof(UniformData)));
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
&uniformBuffer,
sizeof(uboVS)));
// Map persistent
VK_CHECK_RESULT(uniformBuffer.map()); VK_CHECK_RESULT(uniformBuffer.map());
updateUniformBuffers();
} }
void updateUniformBuffers() void updateUniformBuffers()
{ {
uboVS.projection = camera.matrices.perspective; uniformData.projection = camera.matrices.perspective;
uboVS.view = camera.matrices.view; uniformData.view = camera.matrices.view;
uboVS.model = glm::mat4(1.0f); uniformData.model = glm::mat4(1.0f);
uboVS.normal = glm::inverseTranspose(uboVS.view * uboVS.model); uniformData.normal = glm::inverseTranspose(uniformData.view * uniformData.model);
memcpy(uniformBuffer.mapped, &uboVS, sizeof(uboVS)); memcpy(uniformBuffer.mapped, &uniformData, sizeof(uniformData));
}
void draw()
{
VulkanExampleBase::prepareFrame();
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
VulkanExampleBase::submitFrame();
} }
void prepare() void prepare()
@ -251,35 +195,33 @@ public:
VulkanExampleBase::prepare(); VulkanExampleBase::prepare();
loadAssets(); loadAssets();
prepareUniformBuffers(); prepareUniformBuffers();
setupDescriptorSetLayout(); setupDescriptors();
preparePipelines(); preparePipelines();
setupDescriptorPool();
setupDescriptorSet();
buildCommandBuffers(); buildCommandBuffers();
prepared = true; prepared = true;
} }
void draw()
{
VulkanExampleBase::prepareFrame();
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
VulkanExampleBase::submitFrame();
}
virtual void render() virtual void render()
{ {
if (!prepared) if (!prepared)
return; return;
updateUniformBuffers();
draw(); draw();
if (camera.updated) {
updateUniformBuffers();
}
}
virtual void viewChanged()
{
updateUniformBuffers();
} }
virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay) virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
{ {
if (overlay->header("Settings")) { if (overlay->header("Settings")) {
if (overlay->sliderInt("Material cap", &uboVS.texIndex, 0, matCapTextureArray.layerCount)) { overlay->sliderInt("Material cap", &uniformData.texIndex, 0, matCapTextureArray.layerCount);
updateUniformBuffers();
}
} }
} }