From 666c9c078bdaa55ab4811ccbc026a2d648a8d92f Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Sat, 16 Jan 2016 14:14:04 +0100
Subject: [PATCH] Don't accept size==0 on vkMapMemory, check for VK_WHOLE_SIZE

---
 renderdoc/driver/vulkan/wrappers/vk_resource_funcs.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/renderdoc/driver/vulkan/wrappers/vk_resource_funcs.cpp b/renderdoc/driver/vulkan/wrappers/vk_resource_funcs.cpp
index 2a8a82864..dba3969f4 100644
--- a/renderdoc/driver/vulkan/wrappers/vk_resource_funcs.cpp
+++ b/renderdoc/driver/vulkan/wrappers/vk_resource_funcs.cpp
@@ -318,13 +318,13 @@ VkResult WrappedVulkan::vkMapMemory(
 			MemMapState &state = *memrecord->memMapState;
 
 			// ensure size is valid
-			RDCASSERT(size == 0 || size <= memrecord->Length);
+			RDCASSERT(size == VK_WHOLE_SIZE || (size > 0 && size <= memrecord->Length));
 
 			state.mappedPtr = (byte *)realData;
 			state.refData = NULL;
 
 			state.mapOffset = offset;
-			state.mapSize = size == 0 ? memrecord->Length : size;
+			state.mapSize = size == VK_WHOLE_SIZE ? memrecord->Length : size;
 			state.mapFlushed = false;
 
 			*ppData = realData;