opengl: move `ra_gl_ctx_params.flipped` to `struct GL`

This is motivated by a need to access it from vo_gpu_next's opengl
wrapping code, and justified by it being an inherent property of the GL
context itself,

1 files changed, 5 insertions, 0 deletions

diff --git a/video/out/opengl/common.h b/video/out/opengl/common.h
index 35535322ad..a6b02c9366 100644
--- a/video/out/opengl/common.h
+++ b/video/out/opengl/common.h
@@ -88,6 +88,11 @@ struct GL {
     int mpgl_caps;              // Bitfield of MPGL_CAP_* constants
     bool debug_context;         // use of e.g. GLX_CONTEXT_DEBUG_BIT_ARB
 
+    // Set to false if the implementation follows normal GL semantics, which is
+    // upside down. Set to true if it does *not*, i.e. if rendering is right
+    // side up
+    bool flipped;
+
     // Copy of function pointer used to load GL.
     // Caution: Not necessarily valid to use after VO init has completed!
     void *(*get_fn)(void *ctx, const char *n);