FFmpeg-Builds/patches/vulkan/0002-Fixes-for-MinGW-build.patch

From f712c42a36bf39592abb2c7f8d2d891287f14c3f Mon Sep 17 00:00:00 2001
From: BtbN <btbn@btbn.de>
Date: Mon, 7 Sep 2020 20:07:39 +0200
Subject: [PATCH 2/4] Fixes for MinGW build

Adapted from https://github.com/msys2/MINGW-packages/blob/348f1d46d9d273a2cc928deadf9d9114f7a69c2f/mingw-w64-vulkan-loader/002-proper-def-files-for-32bit.patch
---
 loader/CMakeLists.txt          | 2 +-
 loader/loader.h                | 4 +++-
 tests/layers/vk_format_utils.h | 4 +++-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/loader/CMakeLists.txt b/loader/CMakeLists.txt
index 50cced309..d35d37220 100644
--- a/loader/CMakeLists.txt
+++ b/loader/CMakeLists.txt
@@ -326,11 +326,11 @@ else()
         )
 # cmake-format: on
     endif()
+endif()
 
     if(NOT APPLE)
         target_compile_definitions(vulkan PRIVATE _XOPEN_SOURCE=500) # hush compiler warnings for readlink
     endif()
-endif()
 
 # Generate pkg-config file.
 include(FindPkgConfig QUIET)
diff --git a/loader/loader.h b/loader/loader.h
index 6cc0f8388..fc26fcde6 100644
--- a/loader/loader.h
+++ b/loader/loader.h
@@ -38,7 +38,9 @@
 #include "vk_layer_dispatch_table.h"
 #include "vk_loader_extensions.h"
 
-#if defined(__GNUC__) && __GNUC__ >= 4
+#if defined(_WIN32)
+#define LOADER_EXPORT __declspec(dllexport)
+#elif defined(__GNUC__) && __GNUC__ >= 4
 #define LOADER_EXPORT __attribute__((visibility("default")))
 #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)
 #define LOADER_EXPORT __attribute__((visibility("default")))
diff --git a/tests/layers/vk_format_utils.h b/tests/layers/vk_format_utils.h
index e76f9ec2f..ef06e12af 100644
--- a/tests/layers/vk_format_utils.h
+++ b/tests/layers/vk_format_utils.h
@@ -25,7 +25,9 @@
 #include "vulkan/vulkan.h"
 
 #if !defined(VK_LAYER_EXPORT)
-#if defined(__GNUC__) && __GNUC__ >= 4
+#if defined(_WIN32)
+#define VK_LAYER_EXPORT __declspec(dllexport)
+#elif defined(__GNUC__) && __GNUC__ >= 4
 #define VK_LAYER_EXPORT __attribute__((visibility("default")))
 #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)
 #define VK_LAYER_EXPORT __attribute__((visibility("default")))
-- 
2.25.1