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Code Issues 154 Wiki Activity

Replace cubemap scenery reflections with SSR, add Vulkan ray traced reflections

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Hirek
2026-10-25 13:54:49 +01:00
parent 89f11895fc
commit f20b1a3071
45 changed files with 2725 additions and 174 deletions
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34
rendering/vulkan14/vulkan14capabilities.cpp
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@@ -10,6 +10,7 @@ http://mozilla.org/MPL/2.0/.
#include "stdafx.h"
#include "rendering/vulkan14/vulkan14capabilities.h"
#include <algorithm>
#include <cstring>
namespace vk14
@@ -239,6 +240,38 @@ void query_capabilities(VkPhysicalDevice Physical, feature_chain &Queried, capab
Caps.sampler_filter_minmax = (Queried.v12.samplerFilterMinmax == VK_TRUE);
Caps.shader_output_layer = (Queried.v12.shaderOutputLayer == VK_TRUE);
// the ray queries: the structures of the extensions are asked about only where the device has the extensions
if (hasextension(VK_KHR_ACCELERATION_STRUCTURE_EXTENSION_NAME) && hasextension(VK_KHR_RAY_QUERY_EXTENSION_NAME) && hasextension(VK_KHR_DEFERRED_HOST_OPERATIONS_EXTENSION_NAME))
{
VkPhysicalDeviceAccelerationStructureFeaturesKHR acceleration{};
acceleration.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ACCELERATION_STRUCTURE_FEATURES_KHR;
VkPhysicalDeviceRayQueryFeaturesKHR rayquery{};
rayquery.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RAY_QUERY_FEATURES_KHR;
acceleration.pNext = &rayquery;
VkPhysicalDeviceFeatures2 features{};
features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
features.pNext = &acceleration;
vkGetPhysicalDeviceFeatures2(Physical, &features);
VkPhysicalDeviceAccelerationStructurePropertiesKHR accelerationproperties{};
accelerationproperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ACCELERATION_STRUCTURE_PROPERTIES_KHR;
VkPhysicalDeviceVulkan12Properties indexing{};
indexing.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_2_PROPERTIES;
indexing.pNext = &accelerationproperties;
VkPhysicalDeviceProperties2 properties2{};
properties2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
properties2.pNext = &indexing;
vkGetPhysicalDeviceProperties2(Physical, &properties2);
Caps.scratch_alignment = std::max<std::uint32_t>(accelerationproperties.minAccelerationStructureScratchOffsetAlignment, 1);
// the textures of the scenery the reflections are traced through, beside the other bindings of the stage
// (combined image samplers: they count as samplers too)
auto const textures{std::min({Caps.limits.maxPerStageDescriptorSampledImages, Caps.limits.maxDescriptorSetSampledImages, Caps.limits.maxPerStageDescriptorSamplers,
Caps.limits.maxDescriptorSetSamplers, Caps.limits.maxPerStageResources})};
Caps.max_indexed_textures = std::min<std::uint32_t>(textures > 64 ? textures - 64 : 0, 65536);
Caps.ray_query = (acceleration.accelerationStructure == VK_TRUE) && (rayquery.rayQuery == VK_TRUE) && (Queried.v12.bufferDeviceAddress == VK_TRUE) &&
(Queried.v12.runtimeDescriptorArray == VK_TRUE) && (Queried.v12.descriptorBindingPartiallyBound == VK_TRUE) && (Queried.v12.descriptorBindingVariableDescriptorCount == VK_TRUE) &&
(Queried.v12.shaderSampledImageArrayNonUniformIndexing == VK_TRUE) && (Caps.max_indexed_textures >= 256);
}
// can the renderer run on it
if (!Caps.ext_swapchain)
{
@@ -294,6 +327,7 @@ std::string capability_report(capabilities const &Caps)
line(std::string("shader output layer ") + flag(Caps.shader_output_layer));
line(std::string("fill mode non solid ") + flag(Caps.fill_mode_non_solid));
line(std::string("pipeline statistics ") + flag(Caps.pipeline_statistics_query));
line(std::string("ray queries ") + flag(Caps.ray_query));
return report;
}