diff --git a/Source/ThirdParty/ANGLE/scripts/generate_loader.py b/Source/ThirdParty/ANGLE/scripts/generate_loader.py
index a408dac4..92ddca90 100644
--- a/Source/ThirdParty/ANGLE/scripts/generate_loader.py
+++ b/Source/ThirdParty/ANGLE/scripts/generate_loader.py
@@ -201,6 +201,8 @@ def main():
libegl_preamble = """#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
+#include <EGL/eglmesaext.h>
"""
util_gles_preamble = """#if defined(GL_GLES_PROTOTYPES) && GL_GLES_PROTOTYPES
@@ -215,6 +217,8 @@ util_egl_preamble = """#include "util/util_export.h"
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
+#include <EGL/eglmesaext.h>
"""
util_wgl_preamble = """
diff --git a/Source/ThirdParty/ANGLE/src/common/PackedEGLEnums_autogen.h b/Source/ThirdParty/ANGLE/src/common/PackedEGLEnums_autogen.h
index 68c65d8b..0dc9c8e3 100644
--- a/Source/ThirdParty/ANGLE/src/common/PackedEGLEnums_autogen.h
+++ b/Source/ThirdParty/ANGLE/src/common/PackedEGLEnums_autogen.h
@@ -14,6 +14,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <angle_gl.h>
#include <cstdint>
diff --git a/Source/ThirdParty/ANGLE/src/common/PackedGLEnums_autogen.h b/Source/ThirdParty/ANGLE/src/common/PackedGLEnums_autogen.h
index cd651150..17719bc2 100644
--- a/Source/ThirdParty/ANGLE/src/common/PackedGLEnums_autogen.h
+++ b/Source/ThirdParty/ANGLE/src/common/PackedGLEnums_autogen.h
@@ -14,6 +14,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <angle_gl.h>
#include <cstdint>
diff --git a/Source/ThirdParty/ANGLE/src/common/gen_packed_gl_enums.py b/Source/ThirdParty/ANGLE/src/common/gen_packed_gl_enums.py
index 2f77e725..5ea54f1f 100644
--- a/Source/ThirdParty/ANGLE/src/common/gen_packed_gl_enums.py
+++ b/Source/ThirdParty/ANGLE/src/common/gen_packed_gl_enums.py
@@ -71,6 +71,7 @@ header_template = """// GENERATED FILE - DO NOT EDIT.
#include <angle_gl.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <cstdint>
diff --git a/Source/ThirdParty/ANGLE/src/common/utilities.h b/Source/ThirdParty/ANGLE/src/common/utilities.h
index 7a1429a4..dd20bcca 100644
--- a/Source/ThirdParty/ANGLE/src/common/utilities.h
+++ b/Source/ThirdParty/ANGLE/src/common/utilities.h
@@ -11,6 +11,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <math.h>
#include <string>
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/Config.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/Config.cpp
index 4134226d..5dd1065f 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/Config.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/Config.cpp
@@ -15,6 +15,7 @@
#include <vector>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "angle_gl.h"
#include "common/debug.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/Device.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/Device.cpp
index 13ae4e61..b964b755 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/Device.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/Device.cpp
@@ -12,6 +12,7 @@
#include <iterator>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <platform/Platform.h>
#include "common/debug.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/Display.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/Display.cpp
index 21064073..a46628bd 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/Display.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/Display.cpp
@@ -17,6 +17,7 @@
#include <vector>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <platform/Platform.h>
#include "common/debug.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/Error.h b/Source/ThirdParty/ANGLE/src/libANGLE/Error.h
index 37df5b0c..b2e3885b 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/Error.h
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/Error.h
@@ -11,6 +11,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "angle_gl.h"
#include "common/angleutils.h"
#include "common/debug.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/Stream.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/Stream.cpp
index b7bc84c8..538cb3e0 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/Stream.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/Stream.cpp
@@ -10,6 +10,7 @@
#include "libANGLE/Stream.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <platform/Platform.h>
#include "common/debug.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/Stream.h b/Source/ThirdParty/ANGLE/src/libANGLE/Stream.h
index 9157aa51..d8e58f2d 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/Stream.h
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/Stream.h
@@ -14,6 +14,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "common/angleutils.h"
#include "libANGLE/AttributeMap.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/Surface.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/Surface.cpp
index 6daec4f6..941f34ca 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/Surface.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/Surface.cpp
@@ -11,6 +11,7 @@
#include "libANGLE/Surface.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "libANGLE/Config.h"
#include "libANGLE/Context.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/SurfaceImpl.h b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/SurfaceImpl.h
index ea1a0510..db7cf0c8 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/SurfaceImpl.h
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/SurfaceImpl.h
@@ -11,6 +11,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "common/angleutils.h"
#include "libANGLE/Error.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/DeviceD3D.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/DeviceD3D.cpp
index ba5cf532..43304da5 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/DeviceD3D.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/DeviceD3D.cpp
@@ -13,6 +13,7 @@
#include "libANGLE/Display.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
namespace rx
{
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/DisplayD3D.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/DisplayD3D.cpp
index de60dfff..93b5bdf8 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/DisplayD3D.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/DisplayD3D.cpp
@@ -9,6 +9,7 @@
#include "libANGLE/renderer/d3d/DisplayD3D.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "libANGLE/Config.h"
#include "libANGLE/Context.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/EGLImageD3D.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/EGLImageD3D.cpp
index a7255d0d..a7e37777 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/EGLImageD3D.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/EGLImageD3D.cpp
@@ -20,6 +20,7 @@
#include "libANGLE/renderer/d3d/TextureStorage.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
namespace rx
{
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/SurfaceD3D.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/SurfaceD3D.cpp
index 61dc8ffa..87276514 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/SurfaceD3D.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/SurfaceD3D.cpp
@@ -19,6 +19,7 @@
#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <tchar.h>
#include <algorithm>
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/SwapChainD3D.h b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/SwapChainD3D.h
index 443cadd6..e64bdfc4 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/SwapChainD3D.h
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/SwapChainD3D.h
@@ -12,6 +12,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <GLES2/gl2.h>
#include "common/angleutils.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
index 33dfa6b0..eb3393d2 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d11/Renderer11.cpp
@@ -9,6 +9,7 @@
#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <versionhelpers.h>
#include <sstream>
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp
index fe4def6e..2550b52c 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d11/SwapChain11.cpp
@@ -9,6 +9,7 @@
#include "libANGLE/renderer/d3d/d3d11/SwapChain11.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "libANGLE/features.h"
#include "libANGLE/renderer/d3d/DisplayD3D.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp
index f4a4ce43..0cad5540 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp
@@ -9,6 +9,7 @@
#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <sstream>
#include "common/utilities.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/DisplayGL.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/DisplayGL.cpp
index a89e1365..0fe4fa98 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/DisplayGL.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/DisplayGL.cpp
@@ -18,6 +18,7 @@
#include "libANGLE/renderer/gl/SurfaceGL.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
namespace rx
{
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/RendererGL.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/RendererGL.cpp
index 10b15594..7ae1ac6b 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/RendererGL.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/RendererGL.cpp
@@ -9,6 +9,7 @@
#include "libANGLE/renderer/gl/RendererGL.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "common/debug.h"
#include "libANGLE/AttributeMap.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/egl/FunctionsEGL.h b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/egl/FunctionsEGL.h
index 115a7afb..abb200e6 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/egl/FunctionsEGL.h
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/egl/FunctionsEGL.h
@@ -11,6 +11,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <string>
#include <vector>
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/egl/ozone/DisplayOzone.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/egl/ozone/DisplayOzone.cpp
index 47ed6ce0..9d11560c 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/egl/ozone/DisplayOzone.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/egl/ozone/DisplayOzone.cpp
@@ -14,6 +14,7 @@
#include <unistd.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <drm_fourcc.h>
#include <gbm.h>
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/glx/DisplayGLX.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/glx/DisplayGLX.cpp
index 23b4a5c5..daeb5789 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/glx/DisplayGLX.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/glx/DisplayGLX.cpp
@@ -9,6 +9,7 @@
#include "libANGLE/renderer/gl/glx/DisplayGLX.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <algorithm>
#include <cstring>
#include <fstream>
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/renderergl_utils.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/renderergl_utils.cpp
index 698b51e2..32e6126f 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/renderergl_utils.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/renderergl_utils.cpp
@@ -27,6 +27,7 @@
#include "libANGLE/renderer/gl/formatutilsgl.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <algorithm>
#include <sstream>
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/wgl/DXGISwapChainWindowSurfaceWGL.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/wgl/DXGISwapChainWindowSurfaceWGL.cpp
index 5b686321..16ae890f 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/wgl/DXGISwapChainWindowSurfaceWGL.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/wgl/DXGISwapChainWindowSurfaceWGL.cpp
@@ -18,6 +18,7 @@
#include "libANGLE/renderer/gl/wgl/FunctionsWGL.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
namespace rx
{
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/wgl/DisplayWGL.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/wgl/DisplayWGL.cpp
index 12679ba7..93503812 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/wgl/DisplayWGL.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/gl/wgl/DisplayWGL.cpp
@@ -28,6 +28,7 @@
#include "platform/Platform.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <sstream>
#include <string>
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/vulkan/RendererVk.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/vulkan/RendererVk.cpp
index df900f4d..4385be88 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/vulkan/RendererVk.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/vulkan/RendererVk.cpp
@@ -13,6 +13,7 @@
#include "libANGLE/renderer/vulkan/vk_utils.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "common/debug.h"
#include "common/platform.h"
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/validationEGL.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/validationEGL.cpp
index 1c0b25f4..64e96f73 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/validationEGL.cpp
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/validationEGL.cpp
@@ -22,6 +22,7 @@
#include "libANGLE/formatutils.h"
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
namespace egl
{
diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/validationEGL.h b/Source/ThirdParty/ANGLE/src/libANGLE/validationEGL.h
index a671bb0d..248f0ae8 100644
--- a/Source/ThirdParty/ANGLE/src/libANGLE/validationEGL.h
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/validationEGL.h
@@ -15,6 +15,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
namespace gl
{
diff --git a/Source/ThirdParty/ANGLE/src/libEGL/egl_loader_autogen.h b/Source/ThirdParty/ANGLE/src/libEGL/egl_loader_autogen.h
index ae4a427c..a802b65d 100644
--- a/Source/ThirdParty/ANGLE/src/libEGL/egl_loader_autogen.h
+++ b/Source/ThirdParty/ANGLE/src/libEGL/egl_loader_autogen.h
@@ -13,6 +13,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
extern PFNEGLCHOOSECONFIGPROC EGL_ChooseConfig;
extern PFNEGLCOPYBUFFERSPROC EGL_CopyBuffers;
diff --git a/Source/ThirdParty/ANGLE/src/libGLESv2/entry_points_egl_ext.h b/Source/ThirdParty/ANGLE/src/libGLESv2/entry_points_egl_ext.h
index 3c64b290..96201b31 100644
--- a/Source/ThirdParty/ANGLE/src/libGLESv2/entry_points_egl_ext.h
+++ b/Source/ThirdParty/ANGLE/src/libGLESv2/entry_points_egl_ext.h
@@ -11,6 +11,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <export.h>
extern "C" {
diff --git a/Source/ThirdParty/ANGLE/src/tests/deqp_support/tcuANGLENativeDisplayFactory.cpp b/Source/ThirdParty/ANGLE/src/tests/deqp_support/tcuANGLENativeDisplayFactory.cpp
index 777b09e1..dbb0bd2f 100644
--- a/Source/ThirdParty/ANGLE/src/tests/deqp_support/tcuANGLENativeDisplayFactory.cpp
+++ b/Source/ThirdParty/ANGLE/src/tests/deqp_support/tcuANGLENativeDisplayFactory.cpp
@@ -24,6 +24,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "deClock.h"
#include "deMemory.h"
diff --git a/Source/ThirdParty/ANGLE/src/tests/deqp_support/tcuANGLEPlatform.cpp b/Source/ThirdParty/ANGLE/src/tests/deqp_support/tcuANGLEPlatform.cpp
index 6b4a25bf..1c4ac864 100644
--- a/Source/ThirdParty/ANGLE/src/tests/deqp_support/tcuANGLEPlatform.cpp
+++ b/Source/ThirdParty/ANGLE/src/tests/deqp_support/tcuANGLEPlatform.cpp
@@ -22,6 +22,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "egluGLContextFactory.hpp"
#include "tcuANGLENativeDisplayFactory.h"
diff --git a/Source/ThirdParty/ANGLE/src/tests/egl_tests/EGLX11VisualTest.cpp b/Source/ThirdParty/ANGLE/src/tests/egl_tests/EGLX11VisualTest.cpp
index 90abb931..aea4e153 100644
--- a/Source/ThirdParty/ANGLE/src/tests/egl_tests/EGLX11VisualTest.cpp
+++ b/Source/ThirdParty/ANGLE/src/tests/egl_tests/EGLX11VisualTest.cpp
@@ -10,6 +10,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <X11/Xlib.h>
#include "test_utils/ANGLETest.h"
diff --git a/Source/ThirdParty/ANGLE/src/tests/gles_conformance_tests/gles_conformance_tests.h b/Source/ThirdParty/ANGLE/src/tests/gles_conformance_tests/gles_conformance_tests.h
index e888a239..71606b8c 100644
--- a/Source/ThirdParty/ANGLE/src/tests/gles_conformance_tests/gles_conformance_tests.h
+++ b/Source/ThirdParty/ANGLE/src/tests/gles_conformance_tests/gles_conformance_tests.h
@@ -11,6 +11,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <string>
diff --git a/Source/ThirdParty/ANGLE/src/tests/gles_conformance_tests/gles_conformance_tests_main.cpp b/Source/ThirdParty/ANGLE/src/tests/gles_conformance_tests/gles_conformance_tests_main.cpp
index 7fdddcc6..e40b8905 100644
--- a/Source/ThirdParty/ANGLE/src/tests/gles_conformance_tests/gles_conformance_tests_main.cpp
+++ b/Source/ThirdParty/ANGLE/src/tests/gles_conformance_tests/gles_conformance_tests_main.cpp
@@ -10,6 +10,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <map>
#include <string>
diff --git a/Source/ThirdParty/ANGLE/src/tests/test_utils/angle_test_configs.h b/Source/ThirdParty/ANGLE/src/tests/test_utils/angle_test_configs.h
index 7bc7a027..ebb2827b 100644
--- a/Source/ThirdParty/ANGLE/src/tests/test_utils/angle_test_configs.h
+++ b/Source/ThirdParty/ANGLE/src/tests/test_utils/angle_test_configs.h
@@ -16,6 +16,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "GLSLANG/ShaderLang.h"
#include "angle_test_instantiate.h"
diff --git a/Source/ThirdParty/ANGLE/util/OSPixmap.h b/Source/ThirdParty/ANGLE/util/OSPixmap.h
index ba6ccf4a..563d2578 100644
--- a/Source/ThirdParty/ANGLE/util/OSPixmap.h
+++ b/Source/ThirdParty/ANGLE/util/OSPixmap.h
@@ -13,6 +13,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "util/Event.h"
#include "util/util_export.h"
diff --git a/Source/ThirdParty/ANGLE/util/OSWindow.h b/Source/ThirdParty/ANGLE/util/OSWindow.h
index 3cdb458c..3178fa44 100644
--- a/Source/ThirdParty/ANGLE/util/OSWindow.h
+++ b/Source/ThirdParty/ANGLE/util/OSWindow.h
@@ -15,6 +15,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include "util/Event.h"
#include "util/util_export.h"
diff --git a/Source/ThirdParty/ANGLE/util/egl_loader_autogen.h b/Source/ThirdParty/ANGLE/util/egl_loader_autogen.h
index 5fbec82f..77a30330 100644
--- a/Source/ThirdParty/ANGLE/util/egl_loader_autogen.h
+++ b/Source/ThirdParty/ANGLE/util/egl_loader_autogen.h
@@ -15,6 +15,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
ANGLE_UTIL_EXPORT extern PFNEGLCHOOSECONFIGPROC eglChooseConfig;
ANGLE_UTIL_EXPORT extern PFNEGLCOPYBUFFERSPROC eglCopyBuffers;
diff --git a/Source/WebCore/platform/graphics/egl/GLContextEGL.cpp b/Source/WebCore/platform/graphics/egl/GLContextEGL.cpp
index a8a82d70..050893a9 100644
--- a/Source/WebCore/platform/graphics/egl/GLContextEGL.cpp
+++ b/Source/WebCore/platform/graphics/egl/GLContextEGL.cpp
@@ -29,6 +29,7 @@
#else
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#endif
#if USE(CAIRO)
diff --git a/Source/WebCore/platform/graphics/wayland/PlatformDisplayWayland.cpp b/Source/WebCore/platform/graphics/wayland/PlatformDisplayWayland.cpp
index 05f92c22..636df34a 100644
--- a/Source/WebCore/platform/graphics/wayland/PlatformDisplayWayland.cpp
+++ b/Source/WebCore/platform/graphics/wayland/PlatformDisplayWayland.cpp
@@ -35,6 +35,7 @@
#include <wayland-egl.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <wtf/Assertions.h>
namespace WebCore {
diff --git a/Source/WebCore/platform/graphics/x11/PlatformDisplayX11.cpp b/Source/WebCore/platform/graphics/x11/PlatformDisplayX11.cpp
index 8c81119b..bf9ed4bd 100644
--- a/Source/WebCore/platform/graphics/x11/PlatformDisplayX11.cpp
+++ b/Source/WebCore/platform/graphics/x11/PlatformDisplayX11.cpp
@@ -38,6 +38,7 @@
#if USE(EGL)
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#endif
namespace WebCore {
diff --git a/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp b/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp
index 973b3168..5586236a 100644
--- a/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp
+++ b/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp
@@ -35,6 +35,7 @@
#include <gdk/gdkwayland.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <WebCore/CairoUtilities.h>
#include <WebCore/GLContext.h>
diff --git a/Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp b/Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp
index 8d848ce4..46d42c11 100644
--- a/Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp
+++ b/Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp
@@ -31,6 +31,7 @@
#include "WebKitWaylandServerProtocol.h"
#include <EGL/egl.h>
#include <EGL/eglext.h>
+#include <EGL/eglmesaext.h>
#include <WebCore/GLContext.h>
#include <WebCore/PlatformDisplayWayland.h>
#include <WebCore/Region.h>