From b7387745669cfd294a5823dd7018f619d131cf5c Mon Sep 17 00:00:00 2001 From: Haihua Hu Date: Mon, 11 Sep 2017 16:00:24 +0800 Subject: [PATCH] gl/viv-fb: transform screen coordinate to viewport coordinate In y direction, screen coordinate are opposite to viewport coordinate. https://bugzilla.gnome.org/show_bug.cgi?id=787394 --- gst-libs/gst/gl/viv-fb/gstglwindow_viv_fb_egl.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/gst-libs/gst/gl/viv-fb/gstglwindow_viv_fb_egl.c b/gst-libs/gst/gl/viv-fb/gstglwindow_viv_fb_egl.c index f6b23912cc..8515dc8ec7 100644 --- a/gst-libs/gst/gl/viv-fb/gstglwindow_viv_fb_egl.c +++ b/gst-libs/gst/gl/viv-fb/gstglwindow_viv_fb_egl.c @@ -214,16 +214,29 @@ _free_set_render_rectangle (SetRenderRectangleData * render) } } +static void +_calculate_viewport_coordinates(GstGLWindowVivFBEGL * window_egl, + GstVideoRectangle * req, GstVideoRectangle * result) +{ + result->x = req->x; + result->y = window_egl->window_height - (req->y + req->h); + result->w = req->w; + result->h = req->h; +} + static void _set_render_rectangle (gpointer data) { SetRenderRectangleData *render = data; - GstGLWindow *window = GST_GL_WINDOW (render->window_egl); + GstGLWindowVivFBEGL *window_egl = render->window_egl; + GstGLWindow *window = GST_GL_WINDOW (window_egl); GST_LOG_OBJECT (render->window_egl, "setting render rectangle %i,%i+%ix%i", render->rect.x, render->rect.y, render->rect.w, render->rect.h); - render->window_egl->render_rectangle = render->rect; + _calculate_viewport_coordinates (window_egl, &render->rect, + &window_egl->render_rectangle); + gst_gl_window_resize (window, render->rect.w, render->rect.h); window->queue_resize = TRUE;