nulldrv: Expose some basic formats as presentable

Previously we just left whatever junk the caller had in this memory, which generally crashed a caller.

Signed-off-by: Chris Forbes <chrisforbes@google.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/icd/nulldrv/nulldrv.c b/icd/nulldrv/nulldrv.c
index 56edb488..7433ae79 100644
--- a/icd/nulldrv/nulldrv.c
+++ b/icd/nulldrv/nulldrv.c
@@ -739,6 +739,17 @@ VKAPI_ATTR VkResult VKAPI_CALL vkGetPhysicalDeviceSurfaceFormatsKHR(
 {
     NULLDRV_LOG_FUNC;
 
+    if (pSurfaceFormats) {
+        uint32_t i;
+        for (i = 0; i < *pSurfaceFormatCount; i++) {
+            pSurfaceFormats[i].format = nulldrv_presentable_formats[i];
+            pSurfaceFormats[i].colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
+        }
+    }
+    else {
+        *pSurfaceFormatCount = ARRAY_SIZE(nulldrv_presentable_formats);
+    }
+
     return VK_SUCCESS;
 }