Implemented the vkGetPhysicalDeviceMultisamplePropertiesEXT according to
the Vulkan Specification section [36.2. Additional Multisampling
Capabilities].
v2: 1- Moved the vkGetPhysicalDeviceMultisamplePropertiesEXT from the
anv_sample_locations.c to the anv_device.c (Jason Ekstrand)
2- Simplified the code that sets the grid size (Jason Ekstrand)
3- Instead of filling the whole struct, we only fill the parts we
should override (sType, grid size) and we call
anv_debug_ignored_stype to any pNext elements (Jason Ekstrand)
---
src/intel/vulkan/anv_device.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index 52ea058bdd5..0bfff7e0b30 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -3557,6 +3557,31 @@ VkResult anv_GetCalibratedTimestampsEXT(
return VK_SUCCESS;
}
+void
+anv_GetPhysicalDeviceMultisamplePropertiesEXT(VkPhysicalDevice physicalDevice,
+ VkSampleCountFlagBits samples,
+ VkMultisamplePropertiesEXT
+ *pMultisampleProperties)
+{
+ ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
+
+ VkExtent2D grid_size;
+ if (samples & isl_device_get_sample_counts(&physical_device->isl_dev)) {
+ grid_size.width = 1;
+ grid_size.height = 1;
+ } else {
+ grid_size.width = 0;
+ grid_size.height = 0;
+ }
+
+ pMultisampleProperties->sType =
+ VK_STRUCTURE_TYPE_MULTISAMPLE_PROPERTIES_EXT;
+ pMultisampleProperties->maxSampleLocationGridSize = grid_size;
+
+ vk_foreach_struct(ext, pMultisampleProperties->pNext)
+ anv_debug_ignored_stype(ext->sType);
+}
+
/* vk_icd.h does not declare this function, so we declare it here to
* suppress Wmissing-prototypes.
*/
--
2.20.1
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