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qt: use our function table instead of directly calling gl functions

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Otherwise when building with --as-needed we would need to link to
a GL or GLES library.

https://bugzilla.gnome.org/show_bug.cgi?id=754732
This commit is contained in:
Matthew Waters 2015-09-10 00:00:11 +10:00
parent 591494ff54
commit bca1fd1040
1 changed files with 5 additions and 2 deletions
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7
ext/qt/gstqsgtexture.cc
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@ -81,6 +81,7 @@ GstQSGTexture::setBuffer (GstBuffer * buffer)
void
GstQSGTexture::bind ()
{
const GstGLFuncs *gl;
GstGLContext *context;
GstGLSyncMeta *sync_meta;
GstMemory *mem;
@ -95,6 +96,9 @@ GstQSGTexture::bind ()
if (!this->mem_)
return;
g_assert (this->qt_context_);
gl = this->qt_context_->gl_vtable;
/* FIXME: should really lock the memory to prevent write access */
if (!gst_video_frame_map (&this->v_frame, &this->v_info, this->buffer_,
(GstMapFlags) (GST_MAP_READ | GST_MAP_GL))) {
@ -113,13 +117,12 @@ GstQSGTexture::bind ()
gst_gl_sync_meta_set_sync_point (sync_meta, context);
g_assert (this->qt_context_);
gst_gl_sync_meta_wait (sync_meta, this->qt_context_);
tex_id = *(guint *) this->v_frame.data[0];
GST_LOG ("%p binding Qt texture %u", this, tex_id);
glBindTexture (GL_TEXTURE_2D, tex_id);
gl->BindTexture (GL_TEXTURE_2D, tex_id);
gst_video_frame_unmap (&this->v_frame);
}