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Shader: execute RDNA2 FP64 shadow arithmetic and log denorm limits

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Shader: disable FP64 denorm preservation controls for now
This commit is contained in:
nmzik
2026-09-26 14:46:41 +04:00
parent cf268af839
commit 16b83a034c
19 changed files with 307 additions and 9 deletions
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src/graphics/presentation/window/vulkanWindow.cpp
+12 -1
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@@ -564,8 +564,10 @@ static vk::Device VulkanCreateDevice(GraphicContext& graphics,
vk::PhysicalDeviceVulkan11Properties properties11 {};
properties11.pNext = &subgroup_size_control;
vk::PhysicalDeviceFloatControlsProperties float_controls {};
float_controls.pNext = &properties11;
vk::PhysicalDeviceProperties2 properties2 {};
properties2.pNext = &properties11;
properties2.pNext = &float_controls;
if (graphics.mesh_shader_enabled) {
subgroup_size_control.pNext = &graphics.mesh_shader_properties;
@@ -628,6 +630,15 @@ static vk::Device VulkanCreateDevice(GraphicContext& graphics,
device_features.vertexPipelineStoresAndAtomics = VK_TRUE;
graphics.sample_rate_shading_enabled = true;
device_features.shaderInt64 = VK_TRUE;
device_features.shaderFloat64 =
supported_features2.features.shaderFloat64 &&
float_controls.shaderSignedZeroInfNanPreserveFloat64 &&
float_controls.shaderRoundingModeRTEFloat32;
// if (device_features.shaderFloat64 && !float_controls.shaderDenormPreserveFloat64) {
// Log::WriteToConsoleAndLog(
// "WARNING: Vulkan device does not guarantee FP64 denormal preservation; "
// "continuing with native FP64 arithmetic. Very small values may be flushed to zero.\n");
// }
vk::PhysicalDeviceRobustness2FeaturesEXT robustness2 {};
#if defined(__APPLE__)