anv: implement ICD interface v4

Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>

diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index 391a55763063e30d6d0c95af8ff1a4f29655d8d3..7382f0576293bec217cb6569e1f8800446918d2e 100644 (file)
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -2021,6 +2021,31 @@ PFN_vkVoidFunction anv_GetDeviceProcAddr(
    return device->dispatch.entrypoints[idx];
 }
 
+/* With version 4+ of the loader interface the ICD should expose
+ * vk_icdGetPhysicalDeviceProcAddr()
+ */
+PUBLIC
+VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetPhysicalDeviceProcAddr(
+    VkInstance  _instance,
+    const char* pName);
+
+PFN_vkVoidFunction vk_icdGetPhysicalDeviceProcAddr(
+    VkInstance  _instance,
+    const char* pName)
+{
+   ANV_FROM_HANDLE(anv_instance, instance, _instance);
+
+   if (!pName || !instance)
+      return NULL;
+
+   int idx = anv_get_physical_device_entrypoint_index(pName);
+   if (idx < 0)
+      return NULL;
+
+   return instance->physicalDevice.dispatch.entrypoints[idx];
+}
+
+
 VkResult
 anv_CreateDebugReportCallbackEXT(VkInstance _instance,
                                  const VkDebugReportCallbackCreateInfoEXT* pCreateInfo,
@@ -4090,7 +4115,10 @@ vk_icdNegotiateLoaderICDInterfaceVersion(uint32_t* pSupportedVersion)
     *        - The ICD must implement vkCreate{PLATFORM}SurfaceKHR(),
     *          vkDestroySurfaceKHR(), and other API which uses VKSurfaceKHR,
     *          because the loader no longer does so.
+    *
+    *    - Loader interface v4 differs from v3 in:
+    *        - The ICD must implement vk_icdGetPhysicalDeviceProcAddr().
     */
-   *pSupportedVersion = MIN2(*pSupportedVersion, 3u);
+   *pSupportedVersion = MIN2(*pSupportedVersion, 4u);
    return VK_SUCCESS;
 }