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Fix wave64 LDS synchronization on subgroup32 hosts

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This commit is contained in:
nmzik
2026-08-23 00:46:37 +02:00
parent 0d92ce49da
commit 3e25eb0998
10 changed files with 348 additions and 15 deletions
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src/graphics/presentation/window/vulkanWindow.cpp
+13 -7
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@@ -493,14 +493,19 @@ static void VulkanInitSubgroupSizeControl(vk::PhysicalDevice physical_device,
graphics.min_subgroup_size = subgroup_size_control.minSubgroupSize;
graphics.max_subgroup_size = subgroup_size_control.maxSubgroupSize;
graphics.required_subgroup_size_stages = subgroup_size_control.requiredSubgroupSizeStages;
graphics.subgroup_size_control_enabled = features13.subgroupSizeControl == VK_TRUE &&
subgroup_size_control.minSubgroupSize <= 64 &&
subgroup_size_control.maxSubgroupSize >= 64;
graphics.compute_subgroup_size_control_enabled =
features13.subgroupSizeControl == VK_TRUE &&
(graphics.required_subgroup_size_stages & vk::ShaderStageFlagBits::eCompute) &&
subgroup_size_control.minSubgroupSize <= 64 &&
subgroup_size_control.maxSubgroupSize >= 64;
graphics.compute_wave64_supported =
graphics.subgroup_size == 64u || graphics.compute_subgroup_size_control_enabled;
LOGF("Vulkan subgroup: default=%u min=%u max=%u stages=0x%08x size_control=%s\n",
LOGF("Vulkan subgroup: default=%u min=%u max=%u stages=0x%08x size_control=%s wave64=%s\n",
graphics.subgroup_size, graphics.min_subgroup_size, graphics.max_subgroup_size,
static_cast<vk::ShaderStageFlags::MaskType>(graphics.required_subgroup_size_stages),
graphics.subgroup_size_control_enabled ? "true" : "false");
graphics.compute_subgroup_size_control_enabled ? "true" : "false",
graphics.compute_wave64_supported ? "true" : "false");
}
static vk::Device VulkanCreateDevice(vk::PhysicalDevice physical_device, const VulkanExtensions& r,
@@ -645,8 +650,9 @@ static vk::Device VulkanCreateDevice(vk::PhysicalDevice physical_device, const V
robustness2.nullDescriptor = supported_robustness2.nullDescriptor;
}
const bool subgroup_size_control_enabled = graphics.subgroup_size_control_enabled &&
supported_features13.subgroupSizeControl == VK_TRUE;
const bool subgroup_size_control_enabled =
graphics.compute_subgroup_size_control_enabled &&
supported_features13.subgroupSizeControl == VK_TRUE;
auto features13 = required_features13;
#if defined(__APPLE__)