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glcontext: fix get_current_gl_api on x11/nvidia drivers

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They require to get_proc_address some functions through the
platform specific {glX,egl}GetProcAddress rather than the default
GL library symbol lookup.
This commit is contained in:
Matthew Waters 2015-07-18 17:19:18 +10:00 committed by Tim-Philipp Müller
parent cfa9b94045
commit 66407b9877
4 changed files with 15 additions and 8 deletions
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2
gst-libs/gst/gl/cocoa/gstglcaopengllayer.m
View file

@ -117,7 +117,7 @@ _context_ready (gpointer data)
display = gst_gl_context_get_display (GST_GL_CONTEXT (self->gst_gl_context));
self->draw_context = gst_gl_context_new_wrapped (display,
(guintptr) self->gl_context, GST_GL_PLATFORM_CGL,
gst_gl_context_get_current_gl_api (NULL, NULL));
gst_gl_context_get_current_gl_api (GST_GL_PLATFORM_CGL, NULL, NULL));
gst_object_unref (display);
if (!self->draw_context) {

15
gst-libs/gst/gl/gstglcontext.c
View file

@ -411,7 +411,7 @@ gst_gl_context_new_wrapped (GstGLDisplay * display, guintptr handle,
if (context_type == GST_GL_PLATFORM_CGL) {
context_class->get_current_context =
gst_gl_context_cocoa_get_current_context;
context_class->get_proc_address = _default_get_proc_address;
context_class->get_proc_address = gst_gl_context_default_get_proc_address;
}
#endif
#if GST_GL_HAVE_PLATFORM_WGL
@ -424,7 +424,7 @@ gst_gl_context_new_wrapped (GstGLDisplay * display, guintptr handle,
if (context_type == GST_GL_PLATFORM_EAGL) {
context_class->get_current_context =
gst_gl_context_eagl_get_current_context;
context_class->get_proc_address = _default_get_proc_address;
context_class->get_proc_address = gst_gl_context_default_get_proc_address;
}
#endif
@ -507,6 +507,7 @@ gst_gl_context_get_proc_address_with_platform (GstGLPlatform context_type,
/**
* gst_gl_context_get_current_gl_api:
* @platform: the #GstGLPlatform to retreive the API for
* @major: (out): (allow-none): the major version
* @minor: (out): (allow-none): the minor version
*
@ -519,7 +520,8 @@ gst_gl_context_get_proc_address_with_platform (GstGLPlatform context_type,
* Since: 1.6
*/
GstGLAPI
gst_gl_context_get_current_gl_api (guint * major, guint * minor)
gst_gl_context_get_current_gl_api (GstGLPlatform platform, guint * major,
guint * minor)
{
const GLubyte *(*GetString) (GLenum name);
#if GST_GL_HAVE_OPENGL
@ -533,10 +535,13 @@ gst_gl_context_get_current_gl_api (guint * major, guint * minor)
while (ret != GST_GL_API_NONE) {
/* FIXME: attempt to delve into the platform specific GetProcAddress */
GetString = gst_gl_context_default_get_proc_address (ret, "glGetString");
GetString =
gst_gl_context_get_proc_address_with_platform (platform, ret,
"glGetString");
#if GST_GL_HAVE_OPENGL
GetIntegerv =
gst_gl_context_default_get_proc_address (ret, "glGetIntegerv");
gst_gl_context_get_proc_address_with_platform (platform, ret,
"glGetIntegerv");
#endif
if (!GetString) {
goto next;

2
gst-libs/gst/gl/gstglcontext.h
View file

@ -146,7 +146,7 @@ gboolean gst_gl_context_check_gl_version (GstGLContext * context, GstGLAPI
gboolean gst_gl_context_check_feature (GstGLContext *context, const gchar *feature);
guintptr gst_gl_context_get_current_gl_context (GstGLPlatform platform);
GstGLAPI gst_gl_context_get_current_gl_api (guint *major, guint *minor);
GstGLAPI gst_gl_context_get_current_gl_api (GstGLPlatform platform, guint *major, guint *minor);
gboolean gst_gl_context_fill_info (GstGLContext * context, GError ** error);

4
tests/check/libs/gstglcontext.c
View file

@ -401,7 +401,9 @@ static void
_fill_context_info (GstGLContext * context, struct context_info *info)
{
info->handle = gst_gl_context_get_current_gl_context (info->platform);
info->api = gst_gl_context_get_current_gl_api (&info->major, &info->minor);
info->api =
gst_gl_context_get_current_gl_api (info->platform, &info->major,
&info->minor);
}
GST_START_TEST (test_current_context)