gl-state-egl: Fix build on dispmanx-gles2
Use a dummy value for GLMARK2_NATIVE_EGL_DISPLAY_ENUM when building on
dispmanx to avoid build errors. On Raspberry Pi the
EGL_EXT_platform_base extensions is not supported, so this dummy value
is never used.
Fixes #70.
diff --git a/src/gl-state-egl.cpp b/src/gl-state-egl.cpp
index 6c2fa48..dd4dfd3 100644
--- a/src/gl-state-egl.cpp
+++ b/src/gl-state-egl.cpp
@@ -435,6 +435,8 @@
#define GLMARK2_NATIVE_EGL_DISPLAY_ENUM EGL_PLATFORM_GBM_KHR
#elif GLMARK2_USE_MIR
#define GLMARK2_NATIVE_EGL_DISPLAY_ENUM EGL_PLATFORM_MIR_KHR
+#elif GLMARK2_USE_DISPMANX
+#define GLMARK2_NATIVE_EGL_DISPLAY_ENUM 0
#endif
bool
