From a279760536be03702a3eb133c51079907a2ccc9c Mon Sep 17 00:00:00 2001 From: Adam Jackson Date: Wed, 7 Sep 2016 17:41:56 -0400 Subject: egl: Document why EGL_OPENGL{, _ES}_API are mostly identical MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Adam Jackson Reviewed-by: Alejandro Piñeiro --- src/egl/main/eglcontext.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'src') diff --git a/src/egl/main/eglcontext.c b/src/egl/main/eglcontext.c index ebc004d8cf2..057b60fa491 100644 --- a/src/egl/main/eglcontext.c +++ b/src/egl/main/eglcontext.c @@ -457,6 +457,16 @@ _eglParseContextAttribList(_EGLContext *ctx, _EGLDisplay *dpy, /** * Initialize the given _EGLContext object to defaults and/or the values * in the attrib_list. + * + * According to EGL 1.5 Section 3.7: + * + * "EGL_OPENGL_API and EGL_OPENGL_ES_API are interchangeable for all + * purposes except eglCreateContext." + * + * And since we only support GL and GLES, this is the only place where the + * bound API matters at all. We look up the current API from the current + * thread, and stash that in the context we're initializing. Our caller is + * responsible for determining whether that's an API it supports. */ EGLBoolean _eglInitContext(_EGLContext *ctx, _EGLDisplay *dpy, _EGLConfig *conf, -- cgit v1.2.3