mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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This reverts commit 47fd4d391e
.
This patch is incorrect. It doesn't actually compile, and causes a crash
because the viv-fb window implementation needs a native EGL handle
to pass to fbCreateWindow, but the GstGLDisplayEGL handleis actually
an EGLDisplay now (and gets cast to the wrong type)
264 lines
8.1 KiB
C
264 lines
8.1 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
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* Copyright (C) 2015 Freescale Semiconductor <b55597@freescale.com>
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* Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "../gstgl_fwd.h"
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#include <gst/gl/gstglcontext.h>
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#include "gstglwindow_viv_fb_egl.h"
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#include "../gstglwindow_private.h"
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#define GST_CAT_DEFAULT gst_gl_window_debug
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#define gst_gl_window_viv_fb_egl_parent_class parent_class
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G_DEFINE_TYPE (GstGLWindowVivFBEGL, gst_gl_window_viv_fb_egl,
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GST_TYPE_GL_WINDOW);
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static guintptr gst_gl_window_viv_fb_egl_get_window_handle (GstGLWindow *
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window);
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static guintptr gst_gl_window_viv_fb_egl_get_display (GstGLWindow * window);
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static void gst_gl_window_viv_fb_egl_set_window_handle (GstGLWindow * window,
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guintptr handle);
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static void gst_gl_window_viv_fb_egl_close (GstGLWindow * window);
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static gboolean gst_gl_window_viv_fb_egl_open (GstGLWindow * window,
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GError ** error);
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static void gst_gl_window_viv_fb_egl_draw (GstGLWindow * window);
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static gboolean
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gst_gl_window_viv_fb_egl_set_render_rectangle (GstGLWindow * window,
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gint x, gint y, gint width, gint height);
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static void
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gst_gl_window_viv_fb_egl_class_init (GstGLWindowVivFBEGLClass * klass)
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{
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GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
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window_class->get_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_get_window_handle);
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window_class->get_display =
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GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_get_display);
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window_class->set_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_set_window_handle);
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window_class->close = GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_close);
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window_class->open = GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_open);
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window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_draw);
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window_class->set_render_rectangle =
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GST_DEBUG_FUNCPTR (gst_gl_window_viv_fb_egl_set_render_rectangle);
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}
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static void
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gst_gl_window_viv_fb_egl_init (GstGLWindowVivFBEGL * window)
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{
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}
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/* Must be called in the gl thread */
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GstGLWindowVivFBEGL *
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gst_gl_window_viv_fb_egl_new (GstGLDisplay * display)
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{
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GstGLWindowVivFBEGL *window;
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if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_VIV_FB) ==
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0)
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/* we require a Vivante FB display to create windows */
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return NULL;
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window = g_object_new (GST_TYPE_GL_WINDOW_VIV_FB_EGL, NULL);
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gst_object_ref_sink (window);
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return window;
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}
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static void
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gst_gl_window_viv_fb_egl_close (GstGLWindow * window)
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{
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GstGLWindowVivFBEGL *window_egl = GST_GL_WINDOW_VIV_FB_EGL (window);
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if (window_egl->win_id && !window_egl->external_window) {
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fbDestroyWindow (window_egl->win_id);
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window_egl->win_id = 0;
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}
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GST_GL_WINDOW_CLASS (parent_class)->close (window);
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}
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static guintptr
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gst_gl_window_viv_fb_egl_get_display (GstGLWindow * window)
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{
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return gst_gl_display_get_handle (window->display);
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}
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static gboolean
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gst_gl_window_viv_fb_egl_open (GstGLWindow * window, GError ** error)
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{
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GstGLWindowVivFBEGL *window_egl = GST_GL_WINDOW_VIV_FB_EGL (window);
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EGLNativeDisplayType display;
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display = (EGLNativeDisplayType) gst_gl_window_get_display (window);
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window_egl->win_id = fbCreateWindow (display, -1, -1, 0, 0);
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window_egl->external_window = FALSE;
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if (!window_egl->win_id) {
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g_set_error (error, GST_GL_WINDOW_ERROR,
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GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE, "Can't create window");
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return FALSE;
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}
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fbGetWindowGeometry (window_egl->win_id, NULL, NULL,
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&window_egl->window_width, &window_egl->window_height);
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window_egl->render_rectangle.x = 0;
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window_egl->render_rectangle.y = 0;
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window_egl->render_rectangle.w = window_egl->window_width;
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window_egl->render_rectangle.h = window_egl->window_height;
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gst_gl_window_resize (window, window_egl->window_width,
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window_egl->window_height);
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GST_DEBUG
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("Opened Vivante FB display succesfully, resolution is (%dx%d), display %p, window %p.",
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window_egl->window_width, window_egl->window_height, (gpointer) display,
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(gpointer) window_egl->win_id);
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return GST_GL_WINDOW_CLASS (parent_class)->open (window, error);
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}
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static guintptr
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gst_gl_window_viv_fb_egl_get_window_handle (GstGLWindow * window)
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{
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return (guintptr) GST_GL_WINDOW_VIV_FB_EGL (window)->win_id;
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}
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static void
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gst_gl_window_viv_fb_egl_set_window_handle (GstGLWindow * window,
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guintptr handle)
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{
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GstGLWindowVivFBEGL *window_egl = GST_GL_WINDOW_VIV_FB_EGL (window);
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gint width, height;
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if (window_egl->win_id)
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fbDestroyWindow (window_egl->win_id);
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window_egl->win_id = (EGLNativeWindowType) handle;
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window_egl->external_window = handle != 0;
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fbGetWindowGeometry (window_egl->win_id, NULL, NULL, &width, &height);
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gst_gl_window_resize (window, width, height);
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}
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static void
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draw_cb (gpointer data)
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{
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GstGLWindowVivFBEGL *window_egl = data;
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GstGLWindow *window = GST_GL_WINDOW (window_egl);
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GstGLContext *context = gst_gl_window_get_context (window);
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const GstGLFuncs *gl;
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gint viewport_dim[4];
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gl = context->gl_vtable;
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if (window->queue_resize) {
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guint width, height;
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gst_gl_window_get_surface_dimensions (window, &width, &height);
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gst_gl_window_resize (window, width, height);
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gl->GetIntegerv (GL_VIEWPORT, viewport_dim);
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viewport_dim[0] += window_egl->render_rectangle.x;
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viewport_dim[1] += window_egl->render_rectangle.y;
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gl->Viewport (viewport_dim[0],
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viewport_dim[1], viewport_dim[2], viewport_dim[3]);
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}
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if (window->draw)
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window->draw (window->draw_data);
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gst_gl_context_swap_buffers (context);
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gst_object_unref (context);
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}
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static void
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gst_gl_window_viv_fb_egl_draw (GstGLWindow * window)
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{
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gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, window);
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}
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typedef struct
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{
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GstGLWindowVivFBEGL *window_egl;
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GstVideoRectangle rect;
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} SetRenderRectangleData;
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static void
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_free_set_render_rectangle (SetRenderRectangleData * render)
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{
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if (render) {
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if (render->window_egl)
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gst_object_unref (render->window_egl);
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g_free (render);
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}
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}
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static void
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_calculate_viewport_coordinates(GstGLWindowVivFBEGL * window_egl,
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GstVideoRectangle * req, GstVideoRectangle * result)
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{
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result->x = req->x;
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result->y = window_egl->window_height - (req->y + req->h);
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result->w = req->w;
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result->h = req->h;
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}
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static void
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_set_render_rectangle (gpointer data)
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{
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SetRenderRectangleData *render = data;
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GstGLWindowVivFBEGL *window_egl = render->window_egl;
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GstGLWindow *window = GST_GL_WINDOW (window_egl);
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GST_LOG_OBJECT (render->window_egl, "setting render rectangle %i,%i+%ix%i",
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render->rect.x, render->rect.y, render->rect.w, render->rect.h);
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_calculate_viewport_coordinates (window_egl, &render->rect,
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&window_egl->render_rectangle);
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gst_gl_window_resize (window, render->rect.w, render->rect.h);
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window->queue_resize = TRUE;
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}
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static gboolean
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gst_gl_window_viv_fb_egl_set_render_rectangle (GstGLWindow * window,
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gint x, gint y, gint width, gint height)
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{
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GstGLWindowVivFBEGL *window_egl = GST_GL_WINDOW_VIV_FB_EGL (window);
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SetRenderRectangleData *render;
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render = g_new0 (SetRenderRectangleData, 1);
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render->window_egl = gst_object_ref (window_egl);
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render->rect.x = x;
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render->rect.y = y;
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render->rect.w = width;
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render->rect.h = height;
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gst_gl_window_send_message_async (window,
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(GstGLWindowCB) _set_render_rectangle, render,
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(GDestroyNotify) _free_set_render_rectangle);
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return TRUE;
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}
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