MPV EGL patch

0001-Use-eglGetPlatformDisplay-when-possible.patch

From 93a400edcabee9de0d6b464e081aa9c562085559 Mon Sep 17 00:00:00 2001
From: Myy Miouyouyou <myy@miouyouyou.fr>
Date: Fri, 1 Feb 2019 17:13:57 +0000
Subject: [PATCH] Use eglGetPlatformDisplay when possible

And then fallback on eglGetDisplay if the initialization fails...
That said, currently the code only handle eglGetPlatformDisplay
with GBMm in order to initialize displays with DRM/KMS backends.

Signed-off-by: Myy Miouyouyou <myy@miouyouyou.fr>
---
 video/out/opengl/context_drm_egl.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/video/out/opengl/context_drm_egl.c b/video/out/opengl/context_drm_egl.c
index 6aa3d95..de118a5 100644
--- a/video/out/opengl/context_drm_egl.c
+++ b/video/out/opengl/context_drm_egl.c
@@ -158,9 +158,18 @@ static bool init_egl(struct ra_ctx *ctx)
 {
     struct priv *p = ctx->priv;
     MP_VERBOSE(ctx, "Initializing EGL\n");
-    p->egl.display = eglGetDisplay(p->gbm.device);
+    PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display = NULL;
+    get_platform_display = (void *) eglGetProcAddress("eglGetPlatformDisplayEXT");
+    if (get_platform_display)
+        p->egl.display = get_platform_display(EGL_PLATFORM_GBM_KHR, p->gbm.device, NULL);
+    else {
+       MP_ERR(ctx, "WHAT !?");
+        p->egl.display = eglGetDisplay(p->gbm.device);
+    }
+
     if (p->egl.display == EGL_NO_DISPLAY) {
         MP_ERR(ctx, "Failed to get EGL display.\n");
+        MP_ERR(ctx, "Error : %d\n", eglGetError());
         return false;
     }
     if (!eglInitialize(p->egl.display, NULL, NULL)) {
-- 
2.7.4