91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
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#include "ge_vulkan_features.hpp"
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#include "ge_vulkan_driver.hpp"
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#include <set>
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#include <string>
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#include <vector>
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#include "../source/Irrlicht/os.h"
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namespace GE
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{
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namespace GEVulkanFeatures
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{
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// ============================================================================
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// https://chunkstories.xyz/blog/a-note-on-descriptor-indexing
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bool g_supports_descriptor_indexing = false;
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bool g_supports_non_uniform_indexing = false;
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bool g_supports_partially_bound = false;
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} // GEVulkanFeatures
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// ============================================================================
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void GEVulkanFeatures::init(GEVulkanDriver* vk)
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{
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uint32_t extension_count;
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vkEnumerateDeviceExtensionProperties(vk->getPhysicalDevice(), NULL,
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&extension_count, NULL);
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std::vector<VkExtensionProperties> extensions(extension_count);
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vkEnumerateDeviceExtensionProperties(vk->getPhysicalDevice(), NULL,
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&extension_count, &extensions[0]);
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for (VkExtensionProperties& prop : extensions)
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{
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if (std::string(prop.extensionName) == "VK_EXT_descriptor_indexing")
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g_supports_descriptor_indexing = true;
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}
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VkPhysicalDeviceFeatures2 supported_features = {};
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supported_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
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VkPhysicalDeviceDescriptorIndexingFeatures descriptor_indexing_features = {};
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descriptor_indexing_features.sType =
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VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DESCRIPTOR_INDEXING_FEATURES;
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supported_features.pNext = &descriptor_indexing_features;
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if (!vkGetPhysicalDeviceFeatures2)
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return;
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vkGetPhysicalDeviceFeatures2(vk->getPhysicalDevice(), &supported_features);
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if (supported_features.sType !=
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VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2)
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return;
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g_supports_non_uniform_indexing = (descriptor_indexing_features
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.shaderSampledImageArrayNonUniformIndexing == VK_TRUE);
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g_supports_partially_bound = (descriptor_indexing_features
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.descriptorBindingPartiallyBound == VK_TRUE);
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} // init
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// ----------------------------------------------------------------------------
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void GEVulkanFeatures::printStats()
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{
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os::Printer::log(
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"Vulkan supports VK_EXT_descriptor_indexing",
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g_supports_descriptor_indexing ? "true" : "false");
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os::Printer::log(
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"Vulkan descriptor indexes can be dynamically non-uniform",
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g_supports_non_uniform_indexing ? "true" : "false");
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os::Printer::log(
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"Vulkan descriptor can be partially bound",
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g_supports_partially_bound ? "true" : "false");
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} // printStats
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// ----------------------------------------------------------------------------
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bool GEVulkanFeatures::supportsDescriptorIndexing()
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{
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return g_supports_descriptor_indexing;
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} // supportsDescriptorIndexing
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// ----------------------------------------------------------------------------
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bool GEVulkanFeatures::supportsNonUniformIndexing()
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{
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return g_supports_non_uniform_indexing;
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} // supportsNonUniformIndexing
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// ----------------------------------------------------------------------------
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bool GEVulkanFeatures::supportsPartiallyBound()
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{
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return g_supports_partially_bound;
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} // supportsPartiallyBound
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}
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