From 7334a2a1b5b545b94152606a31c0c2a1eafbbf19 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sat, 4 Nov 2017 09:07:33 -0700
Subject: [PATCH] Fixed bug 3940 - Add support for EGL_SURFACE_TYPE

tomwardio

Add support to be able to set EGL_SURFACE_TYPE bits when creating an EGL config. This is usefule when wanting to create pixel buffer surfaces in custom video drivers.
---
 src/video/SDL_egl.c   | 5 +++++
 src/video/SDL_egl_c.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/src/video/SDL_egl.c b/src/video/SDL_egl.c
index 43ba3843e..3b2305392 100644
--- a/src/video/SDL_egl.c
+++ b/src/video/SDL_egl.c
@@ -527,6 +527,11 @@ SDL_EGL_ChooseConfig(_THIS)
         _this->egl_data->eglBindAPI(EGL_OPENGL_API);
     }
 
+    if (_this->egl_data->egl_surfacetype) {
+        attribs[i++] = EGL_SURFACE_TYPE;
+        attribs[i++] = _this->egl_data->egl_surfacetype;
+    }
+
     attribs[i++] = EGL_NONE;
 
     if (_this->egl_data->eglChooseConfig(_this->egl_data->egl_display,
diff --git a/src/video/SDL_egl_c.h b/src/video/SDL_egl_c.h
index f727e6681..37b9602f1 100644
--- a/src/video/SDL_egl_c.h
+++ b/src/video/SDL_egl_c.h
@@ -35,6 +35,7 @@ typedef struct SDL_EGL_VideoData
     EGLDisplay egl_display;
     EGLConfig egl_config;
     int egl_swapinterval;
+    int egl_surfacetype;
     
     EGLDisplay(EGLAPIENTRY *eglGetDisplay) (NativeDisplayType display);
     EGLDisplay(EGLAPIENTRY *eglGetPlatformDisplay) (EGLenum platform,