void setupDescriptorSets()
{
// Descriptor Pool
std::vector<VkDescriptorPoolSize> poolSizes = {
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 4),
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vks::initializers::descriptorPoolCreateInfo(poolSizes, 2);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
// Descriptor sets
VkDescriptorSetAllocateInfo allocInfo =
vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayout, 1);
// 3D object descriptor set
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffers.object.descriptor),
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, &uniformBuffers.params.descriptor),
};
vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, NULL);
}
VkBool32 Example::buildDescriptorSetPool()
{
VkResult result;
//
VkDescriptorPoolSize descriptorTypeCount;
memset(&descriptorTypeCount, 0, sizeof(VkDescriptorPoolSize));
descriptorTypeCount.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
descriptorTypeCount.descriptorCount = 1;
VkDescriptorPoolCreateInfo descriptorPoolCreateInfo;
memset(&descriptorPoolCreateInfo, 0, sizeof(VkDescriptorPoolCreateInfo));
descriptorPoolCreateInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
descriptorPoolCreateInfo.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
descriptorPoolCreateInfo.maxSets = 1;
descriptorPoolCreateInfo.poolSizeCount = 1;
descriptorPoolCreateInfo.pPoolSizes = &descriptorTypeCount;
result = vkCreateDescriptorPool(device->getDevice(), &descriptorPoolCreateInfo, nullptr, &descriptorPool);
if (result != VK_SUCCESS)
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Could not create descriptor pool.");
return VK_FALSE;
}
return VK_TRUE;
}
void setupDescriptors()
{
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 0)
};
VkDescriptorSetLayoutCreateInfo descriptorLayoutCI = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayoutCI, nullptr, &descriptorSetLayout));
VkPipelineLayoutCreateInfo pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayout, 1);
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelineLayout));
VkDescriptorPoolSize poolSize = vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 2);
VkDescriptorPoolCreateInfo descriptorPoolCI = vks::initializers::descriptorPoolCreateInfo(1, &poolSize, 2);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolCI, nullptr, &descriptorPool));
VkDescriptorSetAllocateInfo descriptorSetAI = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayout, 1);
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &descriptorSetAI, &descriptorSets.CW));
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &descriptorSetAI, &descriptorSets.CCW));
std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
vks::initializers::writeDescriptorSet(descriptorSets.CW, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 0, &textures.CW.descriptor),
vks::initializers::writeDescriptorSet(descriptorSets.CCW, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 0, &textures.CCW.descriptor)
};
vkUpdateDescriptorSets(device, 2, &writeDescriptorSets[0], 0, nullptr);
}
void setupDescriptorSets()
{
std::vector<VkDescriptorPoolSize> poolSizes = {
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
};
VkDescriptorPoolCreateInfo descriptorPoolCI = vks::initializers::descriptorPoolCreateInfo(poolSizes.size(), poolSizes.data(), 1);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolCI, nullptr, &descriptorPool));
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0),
};
VkDescriptorSetLayoutCreateInfo descriptorLayoutCI{};
descriptorLayoutCI.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
descriptorLayoutCI.bindingCount = static_cast<uint32_t>(setLayoutBindings.size());
descriptorLayoutCI.pBindings = setLayoutBindings.data();
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayoutCI, nullptr, &descriptorSetLayout));
std::array<VkDescriptorSetLayout, 2> setLayouts = {
descriptorSetLayout, scene.descriptorSetLayout
};
VkPipelineLayoutCreateInfo pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(setLayouts.data(), 2);
VkPushConstantRange pushConstantRange = vks::initializers::pushConstantRange(VK_SHADER_STAGE_VERTEX_BIT, sizeof(glm::vec4) * 2, 0);
pipelineLayoutCI.pushConstantRangeCount = 1;
pipelineLayoutCI.pPushConstantRanges = &pushConstantRange;
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelineLayout));
VkDescriptorSetAllocateInfo descriptorSetAllocateInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayout, 1);
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &descriptorSetAllocateInfo, &descriptorSet));
std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffer.descriptor)
};
vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
}
/* Please see header for specification */
void Anvil::DescriptorPool::bake()
{
VkDescriptorPoolCreateInfo descriptor_pool_create_info;
VkDescriptorPoolSize descriptor_pool_sizes[VK_DESCRIPTOR_TYPE_RANGE_SIZE];
uint32_t n_descriptor_types_used = 0;
VkResult result_vk;
if (m_pool != VK_NULL_HANDLE)
{
vkDestroyDescriptorPool(m_device_ptr->get_device_vk(),
m_pool,
nullptr /* pAllocator */);
m_pool = VK_NULL_HANDLE;
}
/* Convert the counters to an arrayed, linear representation */
for (uint32_t n_descriptor_type = 0;
n_descriptor_type < VK_DESCRIPTOR_TYPE_RANGE_SIZE;
++n_descriptor_type)
{
if (m_descriptor_count[n_descriptor_type] > 0)
{
uint32_t current_index = n_descriptor_types_used;
descriptor_pool_sizes[current_index].descriptorCount = m_descriptor_count[n_descriptor_type];
descriptor_pool_sizes[current_index].type = (VkDescriptorType) n_descriptor_type;
n_descriptor_types_used++;
}
}
if (n_descriptor_types_used == 0)
{
/* If an empty pool is needed, request space for a single dummy descriptor. */
descriptor_pool_sizes[0].descriptorCount = 1;
descriptor_pool_sizes[0].type = VK_DESCRIPTOR_TYPE_SAMPLER;
n_descriptor_types_used = 1;
}
/* Set up the descriptor pool instance */
descriptor_pool_create_info.flags = (m_releaseable_sets) ? VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT
: 0;
descriptor_pool_create_info.maxSets = m_n_max_sets;
descriptor_pool_create_info.pNext = nullptr;
descriptor_pool_create_info.poolSizeCount = n_descriptor_types_used;
descriptor_pool_create_info.pPoolSizes = descriptor_pool_sizes;
descriptor_pool_create_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
result_vk = vkCreateDescriptorPool(m_device_ptr->get_device_vk(),
&descriptor_pool_create_info,
nullptr, /* pAllocator */
&m_pool);
anvil_assert_vk_call_succeeded(result_vk);
m_baked = true;
}
void setupDescriptorPool()
{
std::vector<VkDescriptorPoolSize> poolSizes = {
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 3)
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vks::initializers::descriptorPoolCreateInfo(poolSizes, 3);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
bool CommandBufferManager::CreateCommandBuffers()
{
VkDevice device = g_vulkan_context->GetDevice();
for (FrameResources& resources : m_frame_resources)
{
resources.init_command_buffer_used = false;
resources.needs_fence_wait = false;
VkCommandBufferAllocateInfo allocate_info = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, nullptr, m_command_pool,
VK_COMMAND_BUFFER_LEVEL_PRIMARY, static_cast<uint32_t>(resources.command_buffers.size())};
VkResult res =
vkAllocateCommandBuffers(device, &allocate_info, resources.command_buffers.data());
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkAllocateCommandBuffers failed: ");
return false;
}
VkFenceCreateInfo fence_info = {VK_STRUCTURE_TYPE_FENCE_CREATE_INFO, nullptr,
VK_FENCE_CREATE_SIGNALED_BIT};
res = vkCreateFence(device, &fence_info, nullptr, &resources.fence);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateFence failed: ");
return false;
}
// TODO: A better way to choose the number of descriptors.
VkDescriptorPoolSize pool_sizes[] = {{VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 500000},
{VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 500000},
{VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 16},
{VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1024}};
VkDescriptorPoolCreateInfo pool_create_info = {VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
nullptr,
0,
100000, // tweak this
static_cast<u32>(ArraySize(pool_sizes)),
pool_sizes};
res = vkCreateDescriptorPool(device, &pool_create_info, nullptr, &resources.descriptor_pool);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateDescriptorPool failed: ");
return false;
}
}
// Activate the first command buffer. ActivateCommandBuffer moves forward, so start with the last
m_current_frame = m_frame_resources.size() - 1;
ActivateCommandBuffer();
return true;
}
void setupDescriptorPool()
{
std::vector<VkDescriptorPoolSize> poolSizes = {
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 4),
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 6)
};
uint32_t numDescriptorSets = 4;
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(static_cast<uint32_t>(poolSizes.size()), poolSizes.data(), numDescriptorSets);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
VkDescriptorPool
VKDevice::create_desc_pool (const VkDescriptorPoolCreateInfo &info)
{
XCAM_ASSERT (XCAM_IS_VALID_VK_ID (_dev_id));
VkDescriptorPool pool_id;
XCAM_VK_CHECK_RETURN (
ERROR,
vkCreateDescriptorPool (_dev_id, &info, _allocator.ptr (), &pool_id),
VK_NULL_HANDLE,
"vkdevice create desriptor pool failed");
return pool_id;
}
DescriptorPool::DescriptorPool(std::shared_ptr<Device> p_Device, bool p_bAllowIndividualFree, uint32 p_uiMaxSets, const std::vector<VkDescriptorPoolSize>& p_PoolSizes)
: m_Handle(VK_NULL_HANDLE)
, m_Device(p_Device)
, m_bAllowsIndividualFree(p_bAllowIndividualFree)
{
VkDescriptorPoolCreateInfo l_Info = {};
l_Info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
l_Info.flags |= m_bAllowsIndividualFree ? VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT : 0;
l_Info.maxSets = p_uiMaxSets; // Maximum number of sets that can be allocated from pool (requesting more results in an error)
l_Info.pPoolSizes = p_PoolSizes.data();
l_Info.poolSizeCount = (uint32)p_PoolSizes.size();
VK_THROW_IF_NOT_SUCCESS(vkCreateDescriptorPool(m_Device->GetHandle(), &l_Info, nullptr, &m_Handle), "Failed to create descriptor pool");
}
void setupDescriptorPool()
{
std::vector<VkDescriptorPoolSize> poolSizes;
poolSizes.push_back(vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1));
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
2);
VkResult vkRes = vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool);
assert(!vkRes);
}
void setupDescriptorPool()
{
// Example uses two ubos and two image sampler
std::vector<VkDescriptorPoolSize> poolSizes =
{
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 2),
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 2)
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vks::initializers::descriptorPoolCreateInfo(poolSizes, 2);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void VkeDrawCall::initDescriptorPool(){
VulkanDC *dc = VulkanDC::Get();
VulkanDC::Device *device = dc->getDefaultDevice();
VkDescriptorPoolSize poolSize = { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1 };
VkDescriptorPoolCreateInfo poolInfo = { VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO };
poolInfo.maxSets = 1;
poolInfo.poolSizeCount = 1;
poolInfo.pPoolSizes = &poolSize;
poolInfo.flags = 0;
VKA_CHECK_ERROR(vkCreateDescriptorPool(device->getVKDevice(), &poolInfo, NULL, &m_descriptor_pool), "Could not create descriptor pool.\n");
}
void setupDescriptorPool()
{
// Example uses one ubo and one image sampler
std::vector<VkDescriptorPoolSize> poolSizes = {
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vks::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
2);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void Renderer::_InitDescriptorPool() {
std::array<VkDescriptorPoolSize, 2> pool_sizes {};
pool_sizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
pool_sizes[0].descriptorCount = 1;
pool_sizes[1].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
pool_sizes[1].descriptorCount = 1;
VkDescriptorPoolCreateInfo pool_create_info {};
pool_create_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
pool_create_info.poolSizeCount = (uint32_t)pool_sizes.size();
pool_create_info.pPoolSizes = pool_sizes.data();
pool_create_info.maxSets = 1;
ErrorCheck(vkCreateDescriptorPool(_device, &pool_create_info, nullptr, &_descriptor_pool));
}
Vulkan2D::Vulkan2D(VulkanContext *vulkan) : vulkan_(vulkan) {
// All resources we need for PSP drawing. Usually only bindings 0 and 2-4 are populated.
VkDescriptorSetLayoutBinding bindings[2] = {};
bindings[0].descriptorCount = 1;
bindings[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
bindings[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT;
bindings[0].binding = 0;
bindings[1].descriptorCount = 1;
bindings[1].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
bindings[1].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT;
bindings[1].binding = 1;
VkDevice device = vulkan_->GetDevice();
VkDescriptorSetLayoutCreateInfo dsl = { VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO };
dsl.bindingCount = 2;
dsl.pBindings = bindings;
VkResult res = vkCreateDescriptorSetLayout(device, &dsl, nullptr, &descriptorSetLayout_);
assert(VK_SUCCESS == res);
VkDescriptorPoolSize dpTypes[1];
dpTypes[0].descriptorCount = 200;
dpTypes[0].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
VkDescriptorPoolCreateInfo dp = { VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO };
dp.flags = 0; // Don't want to mess around with individually freeing these, let's go fixed each frame and zap the whole array. Might try the dynamic approach later.
dp.maxSets = 200;
dp.pPoolSizes = dpTypes;
dp.poolSizeCount = ARRAY_SIZE(dpTypes);
for (int i = 0; i < 2; i++) {
VkResult res = vkCreateDescriptorPool(vulkan_->GetDevice(), &dp, nullptr, &frameData_[i].descPool);
assert(VK_SUCCESS == res);
}
VkPushConstantRange push = {};
push.offset = 0;
push.size = 32;
push.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT;
VkPipelineLayoutCreateInfo pl = { VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO };
pl.pPushConstantRanges = &push;
pl.pushConstantRangeCount = 1;
pl.setLayoutCount = 1;
pl.pSetLayouts = &descriptorSetLayout_;
pl.flags = 0;
res = vkCreatePipelineLayout(device, &pl, nullptr, &pipelineLayout_);
assert(VK_SUCCESS == res);
}
void setupDescriptorPool()
{
std::vector<VkDescriptorPoolSize> poolSizes =
{
// One uniform buffer block for each mesh
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 3)
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
3);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void setupDescriptorPool()
{
std::vector<VkDescriptorPoolSize> poolSizes =
{
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 2),
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 2)
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vks::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
2);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void vkeGameRendererDynamic::initDescriptorPool(){
VkeRenderer::initDescriptorPool();
VkDescriptorPoolSize typeCounts[] = { { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1 }, { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 2 }, { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1 } };
VulkanDC *dc = VulkanDC::Get();
if (!dc) return;
VulkanDC::Device *device = dc->getDefaultDevice();
VkDescriptorPoolCreateInfo descriptorPoolInfo = { VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO };
descriptorPoolInfo.poolSizeCount = 3;
descriptorPoolInfo.pPoolSizes = typeCounts;
descriptorPoolInfo.maxSets = (m_descriptor_pool_size * 2) + 3;
VKA_CHECK_ERROR(vkCreateDescriptorPool(device->getVKDevice(), &descriptorPoolInfo, NULL, &m_descriptor_pool), "Could not create descriptor pool.\n");
}
void setupDescriptorPool()
{
// Example uses one ubo and one combined image sampler
std::vector<VkDescriptorPoolSize> poolSizes =
{
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1),
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
2);
vkTools::checkResult(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void setupDescriptorPool()
{
// Example uses two ubos
std::vector<VkDescriptorPoolSize> poolSizes =
{
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 2),
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
2);
VkResult vkRes = vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool);
assert(!vkRes);
}
VulkanDescriptorPool::VulkanDescriptorPool(VkDevice& device)
{
VkDescriptorPoolSize poolSizes[2];
poolSizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
poolSizes[1].descriptorCount = 1;
poolSizes[1].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
poolSizes[1].descriptorCount = 1;
VkDescriptorPoolCreateInfo poolInfo = {};
poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
poolInfo.maxSets = 2;
poolInfo.poolSizeCount = 2;
poolInfo.pPoolSizes = poolSizes;
auto err = vkCreateDescriptorPool(device, &poolInfo, nullptr, &pool);
assert(!err);
}
void setupDescriptorPool()
{
// One UBO for each gear
std::vector<VkDescriptorPoolSize> poolSizes =
{
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 3),
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
// Three descriptor sets (for each gear)
3);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void setupDescriptorPool()
{
// Example uses one ubo and one image sampler
std::vector<VkDescriptorPoolSize> poolSizes =
{
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1)
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
static_cast<uint32_t>(poolSizes.size()),
poolSizes.data(),
2);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void setupDescriptorPool()
{
std::vector<VkDescriptorPoolSize> poolSizes =
{
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1), // Vertex shader UBO
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1), // Sampled image
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_SAMPLER, 3), // 3 samplers (array)
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
static_cast<uint32_t>(poolSizes.size()),
poolSizes.data(),
1);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
Arguments::Arguments(Program &function, std::vector<Buffer> resources) : Program(function)
{
// how many of each type
VkDescriptorPoolSize descriptorPoolSizes[] = {
{VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, (uint32_t) resources.size()}
};
VkDescriptorPoolCreateInfo descriptorPoolCreateInfo = {VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO};
descriptorPoolCreateInfo.poolSizeCount = 1;
descriptorPoolCreateInfo.maxSets = 1;
descriptorPoolCreateInfo.pPoolSizes = descriptorPoolSizes;
if (VK_SUCCESS != vkCreateDescriptorPool(device, &descriptorPoolCreateInfo, nullptr, &descriptorPool)) {
throw ERROR_SHADER;
}
// allocate the descriptor set (according to the function's layout)
VkDescriptorSetAllocateInfo descriptorSetAllocateInfo = {VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO};
descriptorSetAllocateInfo.descriptorSetCount = 1; // 1?
descriptorSetAllocateInfo.pSetLayouts = &descriptorSetLayout;
descriptorSetAllocateInfo.descriptorPool = descriptorPool;
if (VK_SUCCESS != vkAllocateDescriptorSets(device, &descriptorSetAllocateInfo, &descriptorSet)) {
throw ERROR_SHADER;
}
// bind to this
// buffers to bind
VkDescriptorBufferInfo *descriptorBufferInfo = new VkDescriptorBufferInfo[resources.size()];
for (uint32_t i = 0; i < resources.size(); i++) {
descriptorBufferInfo[i].buffer = resources[i];
descriptorBufferInfo[i].offset = 0;
descriptorBufferInfo[i].range = VK_WHOLE_SIZE;
}
// bind stuff here
VkWriteDescriptorSet writeDescriptorSet = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET};
writeDescriptorSet.dstSet = descriptorSet;//pipeline.getDescriptorSet();
writeDescriptorSet.dstBinding = 0;
writeDescriptorSet.descriptorCount = resources.size();
writeDescriptorSet.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
writeDescriptorSet.pBufferInfo = descriptorBufferInfo;
vkUpdateDescriptorSets(device, 1, &writeDescriptorSet, 0, nullptr);
delete [] descriptorBufferInfo;
}
void setupDescriptorPool()
{
std::vector<VkDescriptorPoolSize> poolSizes =
{
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1),
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1)
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
3);
VkResult vkRes = vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool);
assert(!vkRes);
}
vertices.inputState.vertexAttributeDescriptionCount = vertices.attributeDescriptions.size();
vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
}
void setupDescriptorPool()
{
// Example uses three ubos and two image samplers
std::vector<VkDescriptorPoolSize> poolSizes =
{
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 6),
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 4)
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
3);
void VulkanUniformBuffer::InitializeDescriptorPool()
{
VkDescriptorPoolSize descriptor_pool_size{};
descriptor_pool_size.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptor_pool_size.descriptorCount = 1;
VkDescriptorPoolCreateInfo descriptor_pool_create_info{};
descriptor_pool_create_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
descriptor_pool_create_info.pNext = nullptr;
descriptor_pool_create_info.flags = 0;
descriptor_pool_create_info.maxSets = 1;
descriptor_pool_create_info.poolSizeCount = 1;
descriptor_pool_create_info.pPoolSizes = &descriptor_pool_size;
if ( VkResult result = vkCreateDescriptorPool ( mVulkanRenderer.GetDevice(), &descriptor_pool_create_info, nullptr, &mVkDescriptorPool ) )
{
std::ostringstream stream;
stream << "vkCreateDescriptorPool failed. error code: ( " << GetVulkanResultString ( result ) << " )";
throw std::runtime_error ( stream.str().c_str() );
}
}
pair<VkDescriptorSet, bool> DescriptorSetAllocator::find(Hash hash)
{
auto *node = set_nodes.request(hash);
if (node)
return { node->set, true };
node = set_nodes.request_vacant(hash);
if (node)
return { node->set, false };
VkDescriptorPool pool;
VkDescriptorPoolCreateInfo info = { VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO };
info.maxSets = VULKAN_NUM_SETS_PER_POOL;
if (!pool_size.empty())
{
info.poolSizeCount = pool_size.size();
info.pPoolSizes = pool_size.data();
}
if (vkCreateDescriptorPool(device->get_device(), &info, nullptr, &pool) != VK_SUCCESS)
LOG("Failed to create descriptor pool.\n");
VkDescriptorSet sets[VULKAN_NUM_SETS_PER_POOL];
VkDescriptorSetLayout layouts[VULKAN_NUM_SETS_PER_POOL];
fill(begin(layouts), end(layouts), set_layout);
VkDescriptorSetAllocateInfo alloc = { VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO };
alloc.descriptorPool = pool;
alloc.descriptorSetCount = VULKAN_NUM_SETS_PER_POOL;
alloc.pSetLayouts = layouts;
if (vkAllocateDescriptorSets(device->get_device(), &alloc, sets) != VK_SUCCESS)
LOG("Failed to allocate descriptor sets.\n");
pools.push_back(pool);
for (auto set : sets)
set_nodes.make_vacant(set);
return { set_nodes.request_vacant(hash)->set, false };
}
