[PATCH] winevulkan: Implement VK_EXT_calibrated_timestamps

[Joshua Ashton]

Map performance counter to the appropriate monotonic clock
used by ntdll/unix/sync.c

The performance counter timestamp clock won't be available
under Mac and platforms without clock_gettime.

Signed-off-by: Joshua Ashton <joshua at froggi.es>
---
 dlls/winevulkan/make_vulkan |   5 +-
 dlls/winevulkan/vulkan.c    | 116 ++++++++++++++++++++++++++++++++++++
 2 files changed, 120 insertions(+), 1 deletion(-)

diff --git a/dlls/winevulkan/make_vulkan b/dlls/winevulkan/make_vulkan
index 04b263e3e4..b5629b95a5 100755
--- a/dlls/winevulkan/make_vulkan
+++ b/dlls/winevulkan/make_vulkan
@@ -100,7 +100,6 @@ UNSUPPORTED_EXTENSIONS = [
 
     # Device extensions
     "VK_AMD_display_native_hdr",
-    "VK_EXT_calibrated_timestamps",
     "VK_EXT_display_control", # Requires VK_EXT_display_surface_counter
     "VK_EXT_full_screen_exclusive",
     "VK_EXT_hdr_metadata", # Needs WSI work.
@@ -222,6 +221,10 @@ FUNCTION_OVERRIDES = {
     # VK_EXT_private_data
     "vkGetPrivateDataEXT" : {"dispatch": True, "driver" : False, "thunk" : False},
     "vkSetPrivateDataEXT" : {"dispatch": True, "driver" : False, "thunk" : False},
+
+    # VK_EXT_calibrated_timestamps
+    "vkGetPhysicalDeviceCalibrateableTimeDomainsEXT" : {"dispatch" : True, "driver" : False, "thunk" : False},
+    "vkGetCalibratedTimestampsEXT" : {"dispatch" : True, "driver" : False, "thunk" : False},
 }
 
 STRUCT_CHAIN_CONVERSIONS = [
diff --git a/dlls/winevulkan/vulkan.c b/dlls/winevulkan/vulkan.c
index 4642975ad0..d01e48103c 100644
--- a/dlls/winevulkan/vulkan.c
+++ b/dlls/winevulkan/vulkan.c
@@ -17,6 +17,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#include "config.h"
+#include <time.h>
 #include <stdarg.h>
 
 #include "windef.h"
@@ -1265,6 +1267,120 @@ VkResult WINAPI wine_vkGetPhysicalDeviceImageFormatProperties2KHR(VkPhysicalDevi
     return res;
 }
 
+static VkTimeDomainEXT map_to_host_time_domain(VkTimeDomainEXT domain)
+{
+    /* Matches dlls/ntdll/unix/sync.c's performance counter implementation. */
+#if !defined(__APPLE__) && defined(HAVE_CLOCK_GETTIME)
+    if (domain == VK_TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT)
+# ifdef CLOCK_MONOTONIC_RAW
+        return VK_TIME_DOMAIN_CLOCK_MONOTONIC_RAW_EXT;
+# else
+        return VK_TIME_DOMAIN_CLOCK_MONOTONIC_EXT;
+# endif
+#endif
+
+    return domain;
+}
+
+VkResult WINAPI wine_vkGetCalibratedTimestampsEXT(VkDevice device,
+    uint32_t timestamp_count, const VkCalibratedTimestampInfoEXT *timestamp_infos,
+    uint64_t *timestamps, uint64_t *max_deviation)
+{
+    VkCalibratedTimestampInfoEXT* host_timestamp_infos;
+    unsigned int i;
+    VkResult res;
+    TRACE("%p, %u, %p, %p, %p\n", device, timestamp_count, timestamp_infos, timestamps, max_deviation);
+
+    host_timestamp_infos = heap_alloc(sizeof(VkCalibratedTimestampInfoEXT) * timestamp_count);
+
+    for (i = 0; i < timestamp_count; i++)
+    {
+        host_timestamp_infos[i].sType = timestamp_infos[i].sType;
+        host_timestamp_infos[i].pNext = timestamp_infos[i].pNext;
+        host_timestamp_infos[i].timeDomain = map_to_host_time_domain(timestamp_infos[i].timeDomain);
+    }
+
+    res = device->funcs.p_vkGetCalibratedTimestampsEXT(device->device, timestamp_count, host_timestamp_infos, timestamps, max_deviation);
+
+    heap_free(host_timestamp_infos);
+
+    return res;
+}
+
+VkResult WINAPI wine_vkGetPhysicalDeviceCalibrateableTimeDomainsEXT(VkPhysicalDevice phys_dev,
+    uint32_t *time_domain_count, VkTimeDomainEXT *time_domains)
+{
+    BOOL supports_device = FALSE, supports_monotonic = FALSE, supports_monotonic_raw = FALSE;
+    VkTimeDomainEXT *host_time_domains;
+    uint32_t host_time_domain_count;
+    VkTimeDomainEXT out_time_domains[2];
+    uint32_t out_time_domain_count;
+    unsigned int i;
+    VkResult res;
+
+    TRACE("%p, %p, %p\n", phys_dev, time_domain_count, time_domains);
+
+    /* Find out the time domains supported on the host */
+    res = phys_dev->instance->funcs.p_vkGetPhysicalDeviceCalibrateableTimeDomainsEXT(phys_dev->phys_dev, &host_time_domain_count, NULL);
+    if (res != VK_SUCCESS)
+        return res;
+
+    host_time_domains = heap_alloc(sizeof(VkTimeDomainEXT) * host_time_domain_count);
+
+    res = phys_dev->instance->funcs.p_vkGetPhysicalDeviceCalibrateableTimeDomainsEXT(phys_dev->phys_dev, &host_time_domain_count, host_time_domains);
+    if (res != VK_SUCCESS)
+        return res;
+
+    for (i = 0; i < host_time_domain_count; i++)
+    {
+        if (host_time_domains[i] == VK_TIME_DOMAIN_DEVICE_EXT)
+            supports_device = TRUE;
+
+        if (host_time_domains[i] == VK_TIME_DOMAIN_CLOCK_MONOTONIC_EXT)
+            supports_monotonic = TRUE;
+
+        if (host_time_domains[i] == VK_TIME_DOMAIN_CLOCK_MONOTONIC_RAW_EXT)
+            supports_monotonic_raw = TRUE;
+    }
+
+    heap_free(host_time_domains);
+
+    out_time_domain_count = 0;
+
+    /* Map our monotonic times -> QPC */
+    (void)(supports_monotonic);
+    (void)(supports_monotonic_raw);
+#if !defined(__APPLE__) && defined(HAVE_CLOCK_GETTIME)
+# ifdef CLOCK_MONOTONIC_RAW
+    if (supports_monotonic_raw)
+        out_time_domains[out_time_domain_count++] = VK_TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT;
+# else
+    if (supports_monotonic)
+        out_time_domains[out_time_domain_count++] = VK_TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT;
+# endif
+#else
+    FIXME("VK_TIME_DOMAIN_QUERY_PERFORMANCE_COUNTER_EXT not supported on this platform.");
+#endif
+
+    /* Forward the device domain time */
+    if (supports_device)
+        out_time_domains[out_time_domain_count++] = VK_TIME_DOMAIN_DEVICE_EXT;
+
+    /* Send back to the app */
+    if (!time_domains)
+    {
+        *time_domain_count = out_time_domain_count;
+        return VK_SUCCESS;
+    }
+
+    for (i = 0; i < min(*time_domain_count, out_time_domain_count); i++)
+        time_domains[i] = out_time_domains[i];
+
+    res = *time_domain_count != out_time_domain_count ? VK_INCOMPLETE : VK_SUCCESS;
+    *time_domain_count = out_time_domain_count;
+    return res;
+}
+
 static HANDLE get_display_device_init_mutex(void)
 {
     static const WCHAR init_mutexW[] = {'d','i','s','p','l','a','y','_','d','e','v','i','c','e','_','i','n','i','t',0};
-- 
2.27.0