[Mesa-dev] [PATCH v3 42/44] anv: add support for VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FLOAT_CONTROLS_PROPERTIES_KHR

[Samuel Iglesias Gonsálvez]

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias at igalia.com>
---
 src/intel/vulkan/anv_device.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index 6b272ecf558..3d5ffa641a0 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -1298,6 +1298,37 @@ void anv_GetPhysicalDeviceProperties2(
          properties->quadOperationsInAllStages = VK_TRUE;
          break;
       }
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FLOAT_CONTROLS_PROPERTIES_KHR : {
+         VkPhysicalDeviceFloatControlsPropertiesKHR *properties = (void *)ext;
+         properties->separateDenormSettings = true;
+         properties->separateRoundingModeSettings = false;
+
+         /* Broadwell does not support HF denorms and there are restrictions
+          * other gens. According to Kabylake's PRM:
+          *
+          * "math - Extended Math Function
+          * [...]
+          * Restriction : Half-float denorms are always retained."
+          */
+         properties->shaderDenormFlushToZeroFloat16 = false;
+         properties->shaderDenormPreserveFloat16 = pdevice->info.gen > 8;
+         properties->shaderRoundingModeRTEFloat16 = true;
+         properties->shaderRoundingModeRTZFloat16 = true;
+         properties->shaderSignedZeroInfNanPreserveFloat16 = true;
+
+         properties->shaderDenormFlushToZeroFloat32 = true;
+         properties->shaderDenormPreserveFloat32 = true;
+         properties->shaderRoundingModeRTEFloat32 = true;
+         properties->shaderRoundingModeRTZFloat32 = true;
+         properties->shaderSignedZeroInfNanPreserveFloat32 = true;
+
+         properties->shaderDenormFlushToZeroFloat64 = true;
+         properties->shaderDenormPreserveFloat64 = true;
+         properties->shaderRoundingModeRTEFloat64 = true;
+         properties->shaderRoundingModeRTZFloat64 = true;
+         properties->shaderSignedZeroInfNanPreserveFloat64 = true;
+         break;
+      }
 
       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_PROPERTIES_EXT: {
          VkPhysicalDeviceTransformFeedbackPropertiesEXT *props =
-- 
2.19.1