pke: don't copy extra data to padded buffer

1 files changed, 6 insertions, 2 deletions

diff --git a/src/window.cpp b/src/window.cpp
index 9011a72..1b3a91c 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -2736,7 +2736,8 @@ void CreateGraphicsPipelines() {
 
 		// index
 		uint32_t offsetIndex = runningOffset;
-		uint32_t sizeIndex = sizeof(uint16_t) * 36;
+		uint32_t sizeIndex_unpadded = sizeof(uint16_t) * 36;
+		uint32_t sizeIndex = sizeIndex_unpadded;
 		alignmentPadding = sizeIndex % combinedMemReqs.alignment;
 		alignmentPadding = alignmentPadding == 0 ? 0 : combinedMemReqs.alignment - alignmentPadding;
 		sizeIndex += alignmentPadding;
@@ -2770,7 +2771,10 @@ void CreateGraphicsPipelines() {
 
 			dstPtr = static_cast<char *>(tmpBufferDetails.deviceData) + offsetIndex;
 			srcPtr = reinterpret_cast<char *>(pkeIntrinsicsCube.index);
-			memcpy(dstPtr, srcPtr, sizeIndex);
+			memcpy(dstPtr, srcPtr, sizeIndex_unpadded);
+			if (sizeIndex != sizeIndex_unpadded) {
+				memset(dstPtr+sizeIndex_unpadded, 0, sizeIndex-sizeIndex_unpadded);
+			}
 
 
 			VkCommandBufferBeginInfo vkCommandBufferBeginInfo;