Disable support for OpenGL ES targets with WGL on Intel drivers.

src/libANGLE/renderer/gl/renderergl_utils.cpp

@@ -22,7 +22,7 @@
 
 namespace rx
 {
-static VendorID GetVendorID(const FunctionsGL *functions)
+VendorID GetVendorID(const FunctionsGL *functions)
 {
     std::string nativeVendorString(reinterpret_cast<const char *>(functions->getString(GL_VENDOR)));
     if (nativeVendorString.find("Intel") != std::string::npos)

src/libANGLE/renderer/gl/renderergl_utils.h

@@ -10,6 +10,7 @@
 #ifndef LIBANGLE_RENDERER_GL_RENDERERGLUTILS_H_
 #define LIBANGLE_RENDERER_GL_RENDERERGLUTILS_H_
 
+#include "libANGLE/angletypes.h"
 #include "libANGLE/renderer/gl/functionsgl_typedefs.h"
 
 #include <string>
@@ -28,6 +29,8 @@ namespace rx
 class FunctionsGL;
 struct WorkaroundsGL;
 
+VendorID GetVendorID(const FunctionsGL *functions);
+
 namespace nativegl_gl
 {
 

src/libANGLE/renderer/gl/wgl/DisplayWGL.cpp

@@ -329,6 +329,13 @@ egl::Error DisplayWGL::initialize(egl::Display *display)
     mFunctionsGL = new FunctionsGLWindows(mOpenGLModule, mFunctionsWGL->getProcAddress);
     mFunctionsGL->initialize();
 
+    // Intel OpenGL ES drivers are not currently supported due to bugs in the driver and ANGLE
+    VendorID vendor = GetVendorID(mFunctionsGL);
+    if (requestedDisplayType == EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE && vendor == VENDOR_ID_INTEL)
+    {
+        return egl::Error(EGL_NOT_INITIALIZED, "Intel OpenGL ES drivers are not supported.");
+    }
+
     // Create DXGI swap chains for windows that come from other processes.  Windows is unable to
     // SetPixelFormat on windows from other processes when a sandbox is enabled.
     HDC nativeDisplay = display->getNativeDisplayId();