From 4e5f1ec00ec917d0e72941683efcdc7cc757d339 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Thu, 19 May 2016 12:02:08 +0200
Subject: [PATCH] vo_opengl: d3d11egl: enable "required" GLSL extensions

ANGLE doesn't handle this very strictly. But if they change this in the
future, it shouldn't brick us.

Not quite happy with this glsl_extensions fields, but it is quite
unintrusive after all.
---
 video/out/opengl/hwdec.h          | 2 ++
 video/out/opengl/hwdec_d3d11egl.c | 5 +++++
 video/out/opengl/video.c          | 3 +++
 3 files changed, 10 insertions(+)

diff --git a/video/out/opengl/hwdec.h b/video/out/opengl/hwdec.h
index ae48d485cb..4a074ec4a5 100644
--- a/video/out/opengl/hwdec.h
+++ b/video/out/opengl/hwdec.h
@@ -10,6 +10,8 @@ struct gl_hwdec {
     struct mpv_global *global;
     GL *gl;
     struct mp_hwdec_devices *devs;
+    // GLSL extensions required to sample textures from this.
+    const char **glsl_extensions;
     // For free use by hwdec driver
     void *priv;
     // For working around the vdpau vs. vaapi mess.
diff --git a/video/out/opengl/hwdec_d3d11egl.c b/video/out/opengl/hwdec_d3d11egl.c
index 6d34e6905a..c257145470 100644
--- a/video/out/opengl/hwdec_d3d11egl.c
+++ b/video/out/opengl/hwdec_d3d11egl.c
@@ -201,6 +201,11 @@ static int create(struct gl_hwdec *hw)
             MP_ERR(hw, "Failed to load some EGLStream functions.\n");
             goto fail;
         }
+
+        static const char *es2_exts[] = {"GL_NV_EGL_stream_consumer_external", 0};
+        static const char *es3_exts[] = {"GL_NV_EGL_stream_consumer_external",
+                                         "GL_OES_EGL_image_external_essl3", 0};
+        hw->glsl_extensions = hw->gl->es == 200 ? es2_exts : es3_exts;
     }
 
     if (use_native_device) {
diff --git a/video/out/opengl/video.c b/video/out/opengl/video.c
index cb8da859c8..90c511290f 100644
--- a/video/out/opengl/video.c
+++ b/video/out/opengl/video.c
@@ -784,6 +784,9 @@ static void init_video(struct gl_video *p)
         if (p->hwdec->driver->reinit(p->hwdec, &p->image_params) < 0)
             MP_ERR(p, "Initializing texture for hardware decoding failed.\n");
         init_image_desc(p, p->image_params.imgfmt);
+        const char **exts = p->hwdec->glsl_extensions;
+        for (int n = 0; exts && exts[n]; n++)
+            gl_sc_enable_extension(p->sc, (char *)exts[n]);
         p->hwdec_active = true;
     } else {
         init_format(p, p->image_params.imgfmt, false);