mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-17 22:06:41 +00:00
1508 lines
46 KiB
C
1508 lines
46 KiB
C
/*
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* GStreamer
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* Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org>
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gmodule.h>
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/* FIXME: Sharing contexts requires the EGLDisplay to be the same
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* may need to box it.
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*/
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#include "gstglcontext_egl.h"
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#include <gst/gl/gl.h>
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#include <gst/gl/gstglcontext_private.h>
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#include "gstegl.h"
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#include "../utils/opengl_versions.h"
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#include "../utils/gles_versions.h"
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#if GST_GL_HAVE_WINDOW_X11
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#include "../x11/gstglwindow_x11.h"
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#include <gst/gl/x11/gstgldisplay_x11.h>
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#endif
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#if GST_GL_HAVE_WINDOW_WAYLAND
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#include "../wayland/gstglwindow_wayland_egl.h"
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#endif
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#if GST_GL_HAVE_WINDOW_WIN32
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#include "../win32/gstglwindow_win32.h"
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#endif
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#if GST_GL_HAVE_WINDOW_DISPMANX
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#include "../dispmanx/gstglwindow_dispmanx_egl.h"
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#endif
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#if GST_GL_HAVE_WINDOW_GBM
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#include "../gbm/gstglwindow_gbm_egl.h"
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#endif
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#if GST_GL_HAVE_WINDOW_VIV_FB
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#include "../viv-fb/gstglwindow_viv_fb_egl.h"
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#endif
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#define GST_CAT_DEFAULT gst_gl_context_debug
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static gboolean gst_gl_context_egl_create_context (GstGLContext * context,
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GstGLAPI gl_api, GstGLContext * other_context, GError ** error);
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static void gst_gl_context_egl_destroy_context (GstGLContext * context);
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static gboolean gst_gl_context_egl_choose_format (GstGLContext * context,
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GError ** error);
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static gboolean gst_gl_context_egl_activate (GstGLContext * context,
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gboolean activate);
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static void gst_gl_context_egl_swap_buffers (GstGLContext * context);
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static guintptr gst_gl_context_egl_get_gl_context (GstGLContext * context);
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static GstGLAPI gst_gl_context_egl_get_gl_api (GstGLContext * context);
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static GstGLPlatform gst_gl_context_egl_get_gl_platform (GstGLContext *
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context);
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static gboolean gst_gl_context_egl_check_feature (GstGLContext * context,
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const gchar * feature);
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static void gst_gl_context_egl_get_gl_platform_version (GstGLContext * context,
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gint * major, gint * minor);
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static GstStructure *gst_gl_context_egl_get_config (GstGLContext * context);
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static gboolean gst_gl_context_egl_request_config (GstGLContext * context,
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GstStructure * config);
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G_DEFINE_TYPE (GstGLContextEGL, gst_gl_context_egl, GST_TYPE_GL_CONTEXT);
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static void
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gst_gl_context_egl_class_init (GstGLContextEGLClass * klass)
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{
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GstGLContextClass *context_class = (GstGLContextClass *) klass;
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context_class->get_gl_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_gl_context);
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context_class->activate = GST_DEBUG_FUNCPTR (gst_gl_context_egl_activate);
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context_class->create_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_create_context);
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context_class->destroy_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_destroy_context);
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context_class->choose_format =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_choose_format);
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context_class->swap_buffers =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_swap_buffers);
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context_class->get_gl_api = GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_gl_api);
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context_class->get_gl_platform =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_gl_platform);
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context_class->get_proc_address =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_proc_address);
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context_class->check_feature =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_check_feature);
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context_class->get_current_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_current_context);
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context_class->get_gl_platform_version =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_gl_platform_version);
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context_class->get_config = GST_DEBUG_FUNCPTR (gst_gl_context_egl_get_config);
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context_class->request_config =
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GST_DEBUG_FUNCPTR (gst_gl_context_egl_request_config);
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}
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static void
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gst_gl_context_egl_init (GstGLContextEGL * context)
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{
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}
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/* Must be called in the gl thread */
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GstGLContextEGL *
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gst_gl_context_egl_new (GstGLDisplay * display)
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{
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GstGLContextEGL *context;
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/* XXX: display type could theoretically be anything, as long as
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* eglGetDisplay supports it. */
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context = g_object_new (GST_TYPE_GL_CONTEXT_EGL, NULL);
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gst_object_ref_sink (context);
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return context;
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}
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static gboolean
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gst_gl_context_egl_choose_format (GstGLContext * context, GError ** error)
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{
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#if GST_GL_HAVE_WINDOW_X11
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if (GST_IS_GL_WINDOW_X11 (context->window)) {
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GstGLWindow *window = gst_gl_context_get_window (context);
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GstGLWindowX11 *window_x11 = GST_GL_WINDOW_X11 (window);
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gint ret;
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window_x11->visual_info = g_new0 (XVisualInfo, 1);
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ret = XMatchVisualInfo (window_x11->device, window_x11->screen_num,
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window_x11->depth, TrueColor, window_x11->visual_info);
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gst_object_unref (window);
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if (ret == 0) {
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g_set_error (error, GST_GL_CONTEXT_ERROR,
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GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "Failed to match XVisualInfo");
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return FALSE;
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}
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}
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#endif
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return TRUE;
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}
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static GstGLAPI
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egl_conformant_to_gst (int conformant)
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{
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GstGLAPI ret = GST_GL_API_NONE;
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if (conformant & EGL_OPENGL_BIT)
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ret |= GST_GL_API_OPENGL | GST_GL_API_OPENGL3;
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if (conformant & EGL_OPENGL_ES_BIT)
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ret |= GST_GL_API_GLES1;
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if (conformant & EGL_OPENGL_ES2_BIT)
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ret |= GST_GL_API_GLES2;
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#if defined(EGL_KHR_create_context)
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if (conformant & EGL_OPENGL_ES3_BIT_KHR)
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/* FIXME: need another gles3 value? */
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ret |= GST_GL_API_GLES2;
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#endif
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#if 0
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if (conformant & EGL_OPENVG_BIT)
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conformant_values[i++] = "OpenVG";
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#endif
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return ret;
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}
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static GstGLConfigSurfaceType
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egl_surface_type_to_gst (int surface)
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{
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GstGLConfigSurfaceType ret = GST_GL_CONFIG_SURFACE_TYPE_NONE;
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if (surface & EGL_WINDOW_BIT)
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ret |= GST_GL_CONFIG_SURFACE_TYPE_WINDOW;
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if (surface & EGL_PBUFFER_BIT)
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ret |= GST_GL_CONFIG_SURFACE_TYPE_PBUFFER;
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#if 0
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if (surface & EGL_MULTISAMPLE_RESOLVE_BOX_BIT)
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surface_values[i++] = "multisample-resolve-box";
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if (surface & EGL_SWAP_BEHAVIOR_PRESERVED_BIT)
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surface_values[i++] = "swap-behaviour-preserved";
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if (surface & EGL_VG_ALPHA_FORMAT_PRE_BIT)
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surface_values[i++] = "vg-alpha-format-pre";
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if (surface & EGL_VG_COLORSPACE_LINEAR_BIT)
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surface_values[i++] = "vg-colorspace-linear";
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#endif
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return ret;
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}
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static GstGLConfigCaveat
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egl_caveat_to_gst (int caveat)
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{
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switch (caveat) {
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case EGL_NONE:
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return GST_GL_CONFIG_CAVEAT_NONE;
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case EGL_SLOW_CONFIG:
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return GST_GL_CONFIG_CAVEAT_SLOW;
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case EGL_NON_CONFORMANT_CONFIG:
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return GST_GL_CONFIG_CAVEAT_NON_CONFORMANT;
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default:
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GST_WARNING ("unknown EGL caveat value %u (0x%x)", caveat, caveat);
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return GST_GL_CONFIG_CAVEAT_NON_CONFORMANT;
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}
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}
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static GstStructure *
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egl_config_to_structure (EGLDisplay egl_display, EGLConfig config)
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{
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GstStructure *ret;
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int val;
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int buffer_type;
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if (!egl_display)
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return NULL;
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ret = gst_structure_new (GST_GL_CONFIG_STRUCTURE_NAME,
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GST_GL_CONFIG_STRUCTURE_SET_ARGS (PLATFORM, GstGLPlatform,
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GST_GL_PLATFORM_EGL), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_CONFIG_ID, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (CONFIG_ID, int,
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val), NULL);
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#if 0
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{
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/* Don't know how to translate this value, it's platform and implementation
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* dependant
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*/
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int native_visual_type;
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if (!eglGetConfigAttrib (egl_display, config, EGL_NATIVE_VISUAL_TYPE,
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&native_visual_type))
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goto failure;
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}
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#endif
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if (!eglGetConfigAttrib (egl_display, config, EGL_NATIVE_VISUAL_ID, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (NATIVE_VISUAL_ID,
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guint, val), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_NATIVE_RENDERABLE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (NATIVE_RENDERABLE,
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gboolean, val), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_CONFORMANT, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (CONFORMANT_API,
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GstGLAPI, egl_conformant_to_gst (val)), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_RENDERABLE_TYPE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (RENDERABLE_API,
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GstGLAPI, egl_conformant_to_gst (val)), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_SURFACE_TYPE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (SURFACE_TYPE,
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GstGLConfigSurfaceType, egl_surface_type_to_gst (val)), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_CONFIG_CAVEAT, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (CAVEAT,
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GstGLConfigCaveat, egl_caveat_to_gst (val)), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_LEVEL, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (LEVEL, int, val),
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NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_COLOR_BUFFER_TYPE,
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&buffer_type))
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goto failure;
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if (buffer_type == EGL_RGB_BUFFER) {
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if (!eglGetConfigAttrib (egl_display, config, EGL_RED_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (RED_SIZE, int,
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val), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_GREEN_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (GREEN_SIZE, int,
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val), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_BLUE_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (BLUE_SIZE, int,
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val), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_ALPHA_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (ALPHA_SIZE, int,
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val), NULL);
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} else if (buffer_type == EGL_LUMINANCE_BUFFER) {
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if (!eglGetConfigAttrib (egl_display, config, EGL_LUMINANCE_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (LUMINANCE_SIZE,
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int, val), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_ALPHA_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (ALPHA_SIZE, int,
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val), NULL);
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} else {
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GST_WARNING ("unknown EGL_COLOR_BUFFER_TYPE value %x", buffer_type);
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goto failure;
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}
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if (!eglGetConfigAttrib (egl_display, config, EGL_DEPTH_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (DEPTH_SIZE, int,
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val), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_STENCIL_SIZE, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (STENCIL_SIZE, int,
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val), NULL);
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if (!eglGetConfigAttrib (egl_display, config, EGL_MIN_SWAP_INTERVAL, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MIN_SWAP_INTERVAL,
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int, val), NULL);
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|
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if (!eglGetConfigAttrib (egl_display, config, EGL_MAX_SWAP_INTERVAL, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_SWAP_INTERVAL,
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int, val), NULL);
|
|
|
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if (!eglGetConfigAttrib (egl_display, config, EGL_MAX_PBUFFER_WIDTH, &val))
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|
goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_PBUFFER_WIDTH,
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int, val), NULL);
|
|
|
|
if (!eglGetConfigAttrib (egl_display, config, EGL_MAX_PBUFFER_HEIGHT, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_PBUFFER_HEIGHT,
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int, val), NULL);
|
|
|
|
if (!eglGetConfigAttrib (egl_display, config, EGL_MAX_PBUFFER_PIXELS, &val))
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goto failure;
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gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (MAX_PBUFFER_PIXELS,
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|
int, val), NULL);
|
|
|
|
if (!eglGetConfigAttrib (egl_display, config, EGL_SAMPLE_BUFFERS, &val))
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|
goto failure;
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|
gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (SAMPLE_BUFFERS, int,
|
|
val), NULL);
|
|
|
|
if (!eglGetConfigAttrib (egl_display, config, EGL_SAMPLES, &val))
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|
goto failure;
|
|
gst_structure_set (ret, GST_GL_CONFIG_STRUCTURE_SET_ARGS (SAMPLES, int, val),
|
|
NULL);
|
|
|
|
return ret;
|
|
|
|
failure:
|
|
gst_structure_free (ret);
|
|
return NULL;
|
|
}
|
|
|
|
static void
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|
gst_gl_context_egl_dump_config (GstGLContextEGL * egl, EGLConfig config)
|
|
{
|
|
int id;
|
|
int buffer_type;
|
|
|
|
if (!egl->egl_display)
|
|
return;
|
|
|
|
{
|
|
int native_visual_id, native_visual_type;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_CONFIG_ID, &id))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_NATIVE_VISUAL_ID,
|
|
&native_visual_id))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_NATIVE_VISUAL_TYPE,
|
|
&native_visual_type))
|
|
return;
|
|
GST_DEBUG_OBJECT (egl, "dumping EGLConfig %p with id 0x%x and "
|
|
"native visual id 0x%x of type 0x%x", config, id, native_visual_id,
|
|
native_visual_type);
|
|
}
|
|
|
|
{
|
|
#define MAX_CONFORMANT 8
|
|
int conformant, i = 0;
|
|
const char *conformant_values[MAX_CONFORMANT] = { NULL, };
|
|
char *conformant_str = NULL;;
|
|
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_CONFORMANT,
|
|
&conformant))
|
|
return;
|
|
|
|
if (conformant & EGL_OPENGL_BIT)
|
|
conformant_values[i++] = "OpenGL";
|
|
if (conformant & EGL_OPENGL_ES_BIT)
|
|
conformant_values[i++] = "OpenGL ES";
|
|
if (conformant & EGL_OPENGL_ES2_BIT)
|
|
conformant_values[i++] = "OpenGL ES 2.x";
|
|
#if defined(EGL_KHR_create_context)
|
|
if (conformant & EGL_OPENGL_ES3_BIT_KHR)
|
|
conformant_values[i++] = "OpenGL ES 3.x";
|
|
#endif
|
|
if (conformant & EGL_OPENVG_BIT)
|
|
conformant_values[i++] = "OpenVG";
|
|
|
|
/* bad things have happened if this fails: we haven't allocated enough
|
|
* space to hold all the values */
|
|
g_assert (i < MAX_CONFORMANT);
|
|
|
|
conformant_str = g_strjoinv ("|", (char **) conformant_values);
|
|
GST_DEBUG_OBJECT (egl, "Conformant for %s", conformant_str);
|
|
g_free (conformant_str);
|
|
#undef MAX_CONFORMANT
|
|
}
|
|
|
|
{
|
|
#define MAX_RENDERABLE 8
|
|
int renderable, i = 0;
|
|
const char *renderable_values[MAX_RENDERABLE] = { NULL, };
|
|
char *renderable_str = NULL;
|
|
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_RENDERABLE_TYPE,
|
|
&renderable))
|
|
return;
|
|
|
|
if (renderable & EGL_OPENGL_BIT)
|
|
renderable_values[i++] = "OpenGL";
|
|
if (renderable & EGL_OPENGL_ES_BIT)
|
|
renderable_values[i++] = "OpenGL ES";
|
|
if (renderable & EGL_OPENGL_ES2_BIT)
|
|
renderable_values[i++] = "OpenGL ES 2.x";
|
|
#if defined(EGL_KHR_create_context)
|
|
if (renderable & EGL_OPENGL_ES3_BIT_KHR)
|
|
renderable_values[i++] = "OpenGL ES 3.x";
|
|
#endif
|
|
if (renderable & EGL_OPENVG_BIT)
|
|
renderable_values[i++] = "OpenVG";
|
|
|
|
/* bad things have happened if this fails: we haven't allocated enough
|
|
* space to hold all the values */
|
|
g_assert (i < MAX_RENDERABLE);
|
|
|
|
renderable_str = g_strjoinv ("|", (char **) renderable_values);
|
|
GST_DEBUG_OBJECT (egl, "Renderable for %s", renderable_str);
|
|
g_free (renderable_str);
|
|
#undef MAX_RENDERABLE
|
|
}
|
|
|
|
{
|
|
#define MAX_SURFACE 8
|
|
int surface, i = 0;
|
|
const char *surface_values[MAX_SURFACE] = { NULL, };
|
|
char *surface_str = NULL;
|
|
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_SURFACE_TYPE,
|
|
&surface))
|
|
return;
|
|
|
|
if (surface & EGL_WINDOW_BIT)
|
|
surface_values[i++] = "window";
|
|
if (surface & EGL_PBUFFER_BIT)
|
|
surface_values[i++] = "pbuffer";
|
|
if (surface & EGL_MULTISAMPLE_RESOLVE_BOX_BIT)
|
|
surface_values[i++] = "multisample-resolve-box";
|
|
if (surface & EGL_SWAP_BEHAVIOR_PRESERVED_BIT)
|
|
surface_values[i++] = "swap-behaviour-preserved";
|
|
if (surface & EGL_VG_ALPHA_FORMAT_PRE_BIT)
|
|
surface_values[i++] = "vg-alpha-format-pre";
|
|
if (surface & EGL_VG_COLORSPACE_LINEAR_BIT)
|
|
surface_values[i++] = "vg-colorspace-linear";
|
|
|
|
/* bad things have happened if this fails: we haven't allocated enough
|
|
* space to hold all the values */
|
|
g_assert (i < MAX_SURFACE);
|
|
|
|
surface_str = g_strjoinv ("|", (char **) surface_values);
|
|
GST_DEBUG_OBJECT (egl, "Surface for (0x%x) %s", surface, surface_str);
|
|
g_free (surface_str);
|
|
#undef MAX_RENDERABLE
|
|
}
|
|
|
|
{
|
|
#define MAX_CAVEAT 8
|
|
int caveat, i = 0;
|
|
const char *caveat_values[MAX_CAVEAT] = { NULL, };
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_CONFIG_CAVEAT,
|
|
&caveat))
|
|
return;
|
|
if (caveat == EGL_SLOW_CONFIG) {
|
|
caveat_values[i++] = "slow";
|
|
} else if (caveat == EGL_NON_CONFORMANT_CONFIG) {
|
|
caveat_values[i++] = "non-conformant";
|
|
}
|
|
if (i > 0) {
|
|
char *caveat_str = g_strjoinv ("|", (char **) caveat_values);
|
|
GST_DEBUG_OBJECT (egl, "Advertised as %s", caveat_str);
|
|
g_free (caveat_str);
|
|
}
|
|
#undef MAX_CAVEAT
|
|
}
|
|
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_COLOR_BUFFER_TYPE,
|
|
&buffer_type))
|
|
return;
|
|
if (buffer_type == EGL_RGB_BUFFER) {
|
|
int red, blue, green, alpha;
|
|
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_RED_SIZE, &red))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_GREEN_SIZE, &green))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_BLUE_SIZE, &blue))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_ALPHA_SIZE, &alpha))
|
|
return;
|
|
|
|
GST_DEBUG_OBJECT (egl, "[R, G, B, A] = [%i, %i, %i, %i]", red, green, blue,
|
|
alpha);
|
|
} else if (buffer_type == EGL_LUMINANCE_BUFFER) {
|
|
int luminance, alpha;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_LUMINANCE_SIZE,
|
|
&luminance))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_ALPHA_SIZE, &alpha))
|
|
return;
|
|
GST_DEBUG_OBJECT (egl, "[L, A] = [%i, %i]", luminance, alpha);
|
|
} else {
|
|
GST_WARNING_OBJECT (egl, "unknown EGL_COLOR_BUFFER_TYPE value %x",
|
|
buffer_type);
|
|
return;
|
|
}
|
|
{
|
|
int depth, stencil;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_DEPTH_SIZE, &depth))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_STENCIL_SIZE,
|
|
&stencil))
|
|
return;
|
|
GST_DEBUG_OBJECT (egl, "[D, S] = [%i, %i]", depth, stencil);
|
|
}
|
|
{
|
|
int min, max;
|
|
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_MIN_SWAP_INTERVAL,
|
|
&min))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_MAX_SWAP_INTERVAL,
|
|
&max))
|
|
return;
|
|
GST_DEBUG_OBJECT (egl, "Swap interval range is [%i, %i]", min, max);
|
|
}
|
|
{
|
|
int width, height, pixels;
|
|
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_MAX_PBUFFER_WIDTH,
|
|
&width))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_MAX_PBUFFER_HEIGHT,
|
|
&height))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_MAX_PBUFFER_PIXELS,
|
|
&pixels))
|
|
return;
|
|
GST_DEBUG_OBJECT (egl,
|
|
"PBuffer maximum dimensions are [%i, %i]. Max pixels are %i", width,
|
|
height, pixels);
|
|
}
|
|
{
|
|
int sample_buffers, samples_per_pixel;
|
|
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_SAMPLE_BUFFERS,
|
|
&sample_buffers))
|
|
return;
|
|
if (!eglGetConfigAttrib (egl->egl_display, config, EGL_SAMPLES,
|
|
&samples_per_pixel))
|
|
return;
|
|
GST_DEBUG_OBJECT (egl, "Multisample buffers: %i and Samples per pixel: %i",
|
|
sample_buffers, samples_per_pixel);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_gl_context_egl_dump_all_configs (GstGLContextEGL * egl)
|
|
{
|
|
int i, n;
|
|
EGLConfig *configs;
|
|
|
|
if (!eglGetConfigs (egl->egl_display, NULL, 0, &n)) {
|
|
GST_WARNING_OBJECT (egl, "Failed to get number of EGLConfig's");
|
|
return;
|
|
}
|
|
|
|
configs = g_new0 (EGLConfig, n);
|
|
if (!eglGetConfigs (egl->egl_display, configs, n, &n)) {
|
|
GST_WARNING_OBJECT (egl, "Failed to get the list of EGLConfig's");
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; i < n; i++)
|
|
gst_gl_context_egl_dump_config (egl, configs[i]);
|
|
|
|
out:
|
|
g_free (configs);
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_context_egl_choose_config (GstGLContextEGL * egl, GstGLAPI gl_api,
|
|
gint major, GError ** error)
|
|
{
|
|
gboolean create_context;
|
|
EGLint numConfigs;
|
|
gint i, n;
|
|
EGLint config_attrib[20];
|
|
EGLint egl_api = 0;
|
|
EGLBoolean ret = EGL_FALSE;
|
|
EGLint surface_type = EGL_WINDOW_BIT;
|
|
EGLint alpha_size = 1;
|
|
GstGLWindow *window;
|
|
|
|
window = gst_gl_context_get_window (GST_GL_CONTEXT (egl));
|
|
|
|
if (!window || !gst_gl_window_has_output_surface (window)) {
|
|
GST_INFO_OBJECT (egl,
|
|
"gl window has no output surface, use pixel buffer surfaces");
|
|
surface_type = EGL_PBUFFER_BIT;
|
|
}
|
|
|
|
if (window)
|
|
gst_object_unref (window);
|
|
|
|
create_context =
|
|
gst_gl_check_extension ("EGL_KHR_create_context", egl->egl_exts);
|
|
/* silence unused warnings */
|
|
(void) create_context;
|
|
|
|
if (gl_api & GST_GL_API_GLES2) {
|
|
if (major == 3) {
|
|
#if defined(EGL_KHR_create_context)
|
|
if (create_context) {
|
|
egl_api = EGL_OPENGL_ES3_BIT_KHR;
|
|
} else
|
|
#endif
|
|
{
|
|
return FALSE;
|
|
}
|
|
} else {
|
|
egl_api = EGL_OPENGL_ES2_BIT;
|
|
}
|
|
} else
|
|
egl_api = EGL_OPENGL_BIT;
|
|
|
|
try_again:
|
|
i = 0;
|
|
n = G_N_ELEMENTS (config_attrib);
|
|
config_attrib[i++] = EGL_SURFACE_TYPE;
|
|
config_attrib[i++] = surface_type;
|
|
config_attrib[i++] = EGL_RENDERABLE_TYPE;
|
|
config_attrib[i++] = egl_api;
|
|
|
|
if (egl->requested_config) {
|
|
#define TRANSFORM_VALUE(GL_CONF_NAME,EGL_ATTR_NAME) \
|
|
G_STMT_START { \
|
|
if (gst_structure_has_field_typed (egl->requested_config, \
|
|
GST_GL_CONFIG_ATTRIB_NAME(GL_CONF_NAME), \
|
|
GST_GL_CONFIG_ATTRIB_GTYPE(GL_CONF_NAME))) { \
|
|
int val; \
|
|
if (gst_structure_get (egl->requested_config, \
|
|
GST_GL_CONFIG_ATTRIB_NAME(GL_CONF_NAME), \
|
|
GST_GL_CONFIG_ATTRIB_GTYPE(GL_CONF_NAME), &val, NULL)) { \
|
|
config_attrib[i++] = EGL_ATTR_NAME; \
|
|
config_attrib[i++] = (int) val; \
|
|
g_assert (i <= n); \
|
|
} \
|
|
} \
|
|
} G_STMT_END
|
|
|
|
TRANSFORM_VALUE (CONFIG_ID, EGL_CONFIG_ID);
|
|
TRANSFORM_VALUE (RED_SIZE, EGL_RED_SIZE);
|
|
TRANSFORM_VALUE (GREEN_SIZE, EGL_GREEN_SIZE);
|
|
TRANSFORM_VALUE (BLUE_SIZE, EGL_BLUE_SIZE);
|
|
TRANSFORM_VALUE (ALPHA_SIZE, EGL_ALPHA_SIZE);
|
|
TRANSFORM_VALUE (DEPTH_SIZE, EGL_DEPTH_SIZE);
|
|
TRANSFORM_VALUE (STENCIL_SIZE, EGL_STENCIL_SIZE);
|
|
/* TODO: more values */
|
|
#undef TRANSFORM_VALUE
|
|
} else {
|
|
config_attrib[i++] = EGL_DEPTH_SIZE;
|
|
config_attrib[i++] = 16;
|
|
config_attrib[i++] = EGL_RED_SIZE;
|
|
config_attrib[i++] = 1;
|
|
config_attrib[i++] = EGL_GREEN_SIZE;
|
|
config_attrib[i++] = 1;
|
|
config_attrib[i++] = EGL_BLUE_SIZE;
|
|
config_attrib[i++] = 1;
|
|
config_attrib[i++] = EGL_ALPHA_SIZE;
|
|
config_attrib[i++] = alpha_size;
|
|
}
|
|
|
|
config_attrib[i++] = EGL_NONE;
|
|
g_assert (i <= n);
|
|
|
|
ret = eglChooseConfig (egl->egl_display, config_attrib,
|
|
&egl->egl_config, 1, &numConfigs);
|
|
|
|
if (ret && numConfigs == 0) {
|
|
if (surface_type == EGL_PBUFFER_BIT) {
|
|
surface_type = EGL_WINDOW_BIT;
|
|
GST_TRACE_OBJECT (egl, "Retrying config with window bit");
|
|
goto try_again;
|
|
}
|
|
|
|
if (alpha_size == 1) {
|
|
alpha_size = 0;
|
|
GST_TRACE_OBJECT (egl, "Retrying config not forcing an alpha channel");
|
|
goto try_again;
|
|
}
|
|
}
|
|
|
|
if (ret && numConfigs == 1) {
|
|
GST_INFO ("config set: %" G_GUINTPTR_FORMAT ", %u",
|
|
(guintptr) egl->egl_config, (unsigned int) numConfigs);
|
|
} else {
|
|
if (!ret) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG, "Failed to choose EGLConfig: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
} else if (numConfigs <= 1) {
|
|
g_set_error_literal (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"Could not find a compatible EGLConfig:");
|
|
} else {
|
|
g_warn_if_reached ();
|
|
}
|
|
goto failure;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (egl, "chosen EGLConfig:");
|
|
gst_gl_context_egl_dump_config (egl, egl->egl_config);
|
|
|
|
return TRUE;
|
|
|
|
failure:
|
|
return FALSE;
|
|
}
|
|
|
|
static EGLContext
|
|
_create_context_with_flags (GstGLContextEGL * egl, EGLContext share_context,
|
|
GstGLAPI gl_api, gint major, gint minor, gint contextFlags,
|
|
gint profileMask)
|
|
{
|
|
gboolean create_context;
|
|
#define N_ATTRIBS 20
|
|
gint attribs[N_ATTRIBS];
|
|
gint n = 0;
|
|
|
|
/* fail creation of apis/versions/flags that require EGL_KHR_create_context
|
|
* if the extension doesn't exist, namely:0
|
|
*
|
|
* - profile mask
|
|
* - context flags
|
|
* - GL3 > 3.1
|
|
* - GLES2 && minor > 0
|
|
*/
|
|
create_context =
|
|
gst_gl_check_extension ("EGL_KHR_create_context", egl->egl_exts);
|
|
(void) create_context;
|
|
if (!create_context && (profileMask || contextFlags
|
|
|| ((gl_api & GST_GL_API_OPENGL3)
|
|
&& GST_GL_CHECK_GL_VERSION (major, minor, 3, 2))
|
|
|| ((gl_api & GST_GL_API_GLES2) && minor > 0))) {
|
|
return 0;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (egl, "attempting to create OpenGL%s context version %d.%d "
|
|
"flags %x profile %x", gl_api & GST_GL_API_GLES2 ? " ES" : "", major,
|
|
minor, contextFlags, profileMask);
|
|
|
|
#if defined(EGL_KHR_create_context)
|
|
if (create_context) {
|
|
if (major) {
|
|
attribs[n++] = EGL_CONTEXT_MAJOR_VERSION_KHR;
|
|
attribs[n++] = major;
|
|
}
|
|
if (minor) {
|
|
attribs[n++] = EGL_CONTEXT_MINOR_VERSION_KHR;
|
|
attribs[n++] = minor;
|
|
}
|
|
if (contextFlags) {
|
|
attribs[n++] = EGL_CONTEXT_FLAGS_KHR;
|
|
attribs[n++] = contextFlags;
|
|
}
|
|
if (profileMask) {
|
|
attribs[n++] = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR;
|
|
attribs[n++] = profileMask;
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
attribs[n++] = EGL_CONTEXT_CLIENT_VERSION;
|
|
attribs[n++] = major;
|
|
}
|
|
attribs[n++] = EGL_NONE;
|
|
|
|
g_assert (n < N_ATTRIBS);
|
|
#undef N_ATTRIBS
|
|
|
|
return eglCreateContext (egl->egl_display, egl->egl_config, share_context,
|
|
attribs);
|
|
}
|
|
|
|
static void
|
|
gst_gl_context_egl_window_handle_changed_cb (GstGLContextEGL * egl,
|
|
GstGLWindow * window)
|
|
{
|
|
if (egl->egl_surface != EGL_NO_SURFACE) {
|
|
if (!eglDestroySurface (egl->egl_display, egl->egl_surface))
|
|
GST_WARNING_OBJECT (egl, "Failed to destroy old window surface: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
egl->egl_surface = EGL_NO_SURFACE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_context_egl_create_context (GstGLContext * context,
|
|
GstGLAPI gl_api, GstGLContext * other_context, GError ** error)
|
|
{
|
|
GstGLContextEGL *egl;
|
|
GstGLWindow *window = NULL;
|
|
guintptr window_handle = 0;
|
|
EGLint egl_major;
|
|
EGLint egl_minor;
|
|
gboolean need_surface = TRUE;
|
|
guintptr external_gl_context = 0;
|
|
guintptr egl_display;
|
|
|
|
egl = GST_GL_CONTEXT_EGL (context);
|
|
window = gst_gl_context_get_window (context);
|
|
|
|
GST_DEBUG_OBJECT (context, "Creating EGL context");
|
|
|
|
if (other_context) {
|
|
if (gst_gl_context_get_gl_platform (other_context) != GST_GL_PLATFORM_EGL) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"Cannot share context with non-EGL context");
|
|
goto failure;
|
|
}
|
|
external_gl_context = gst_gl_context_get_gl_context (other_context);
|
|
}
|
|
|
|
if ((gl_api & (GST_GL_API_OPENGL | GST_GL_API_OPENGL3 | GST_GL_API_GLES2)) ==
|
|
GST_GL_API_NONE) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_API,
|
|
"EGL supports opengl or gles2");
|
|
goto failure;
|
|
}
|
|
|
|
if (!egl->display_egl) {
|
|
GstGLDisplay *display = gst_gl_context_get_display (context);
|
|
|
|
egl->display_egl = gst_gl_display_egl_from_gl_display (display);
|
|
if (!egl->display_egl) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE,
|
|
"Failed to create EGLDisplay from native display");
|
|
gst_object_unref (display);
|
|
goto failure;
|
|
}
|
|
|
|
gst_object_unref (display);
|
|
}
|
|
|
|
egl_display = gst_gl_display_get_handle (GST_GL_DISPLAY (egl->display_egl));
|
|
egl->egl_display = (EGLDisplay) egl_display;
|
|
|
|
if (eglInitialize (egl->egl_display, &egl_major, &egl_minor)) {
|
|
GST_INFO ("egl initialized, version: %d.%d", egl_major, egl_minor);
|
|
} else {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE,
|
|
"Failed to initialize egl: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
goto failure;
|
|
}
|
|
|
|
egl->egl_exts = eglQueryString (egl->egl_display, EGL_EXTENSIONS);
|
|
GST_DEBUG_OBJECT (egl, "Have EGL extensions: %s", egl->egl_exts);
|
|
|
|
gst_gl_context_egl_dump_all_configs (egl);
|
|
|
|
if (gl_api & (GST_GL_API_OPENGL | GST_GL_API_OPENGL3)) {
|
|
GstGLAPI chosen_gl_api = 0;
|
|
gint i;
|
|
|
|
/* egl + opengl only available with EGL 1.4+ */
|
|
if (egl_major == 1 && egl_minor <= 3) {
|
|
if ((gl_api & ~GST_GL_API_OPENGL) == GST_GL_API_NONE) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_OLD_LIBS,
|
|
"EGL version (%i.%i) too old for OpenGL support, (needed at least 1.4)",
|
|
egl_major, egl_minor);
|
|
goto failure;
|
|
} else {
|
|
GST_WARNING
|
|
("EGL version (%i.%i) too old for OpenGL support, (needed at least 1.4)",
|
|
egl_major, egl_minor);
|
|
if (gl_api & GST_GL_API_GLES2) {
|
|
goto try_gles2;
|
|
} else {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"Failed to choose a suitable OpenGL API");
|
|
goto failure;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!eglBindAPI (EGL_OPENGL_API)) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
|
|
"Failed to bind OpenGL API: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
goto failure;
|
|
}
|
|
|
|
GST_INFO ("Bound OpenGL");
|
|
|
|
/* api, version only matters for gles */
|
|
if (!gst_gl_context_egl_choose_config (egl, GST_GL_API_OPENGL, 0, error)) {
|
|
g_assert (error == NULL || *error != NULL);
|
|
goto failure;
|
|
}
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (opengl_versions); i++) {
|
|
gint profileMask = 0;
|
|
gint contextFlags = 0;
|
|
|
|
if (GST_GL_CHECK_GL_VERSION (opengl_versions[i].major,
|
|
opengl_versions[i].minor, 3, 2)) {
|
|
/* skip gl3 contexts if requested */
|
|
if ((gl_api & GST_GL_API_OPENGL3) == 0)
|
|
continue;
|
|
|
|
chosen_gl_api = GST_GL_API_OPENGL3;
|
|
#if defined(EGL_KHR_create_context)
|
|
profileMask |= EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
|
|
contextFlags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
|
|
#endif
|
|
} else if (opengl_versions[i].major == 3 && opengl_versions[i].minor == 1) {
|
|
/* skip 3.1, the implementation is free to give us either a core or a
|
|
* compatibility context (we have no say) */
|
|
continue;
|
|
} else {
|
|
/* skip legacy contexts if requested */
|
|
if ((gl_api & GST_GL_API_OPENGL) == 0)
|
|
continue;
|
|
|
|
chosen_gl_api = GST_GL_API_OPENGL;
|
|
}
|
|
|
|
egl->egl_context =
|
|
_create_context_with_flags (egl, (EGLContext) external_gl_context,
|
|
chosen_gl_api, opengl_versions[i].major,
|
|
opengl_versions[i].minor, contextFlags, profileMask);
|
|
|
|
if (egl->egl_context)
|
|
break;
|
|
|
|
#if defined(EGL_KHR_create_context)
|
|
profileMask &= ~EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
|
|
|
|
egl->egl_context =
|
|
_create_context_with_flags (egl, (EGLContext) external_gl_context,
|
|
chosen_gl_api, opengl_versions[i].major,
|
|
opengl_versions[i].minor, contextFlags, profileMask);
|
|
|
|
if (egl->egl_context)
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
egl->gl_api = chosen_gl_api;
|
|
} else if (gl_api & GST_GL_API_GLES2) {
|
|
gint i;
|
|
|
|
try_gles2:
|
|
if (!eglBindAPI (EGL_OPENGL_ES_API)) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
|
|
"Failed to bind OpenGL|ES API: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
goto failure;
|
|
}
|
|
|
|
GST_INFO ("Bound OpenGL|ES");
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (gles2_versions); i++) {
|
|
gint profileMask = 0;
|
|
gint contextFlags = 0;
|
|
guint maj = gles2_versions[i].major;
|
|
guint min = gles2_versions[i].minor;
|
|
|
|
if (!gst_gl_context_egl_choose_config (egl, GST_GL_API_GLES2, maj, error)) {
|
|
GST_DEBUG_OBJECT (context, "Failed to choose a GLES%d config: %s",
|
|
maj, error && *error ? (*error)->message : "Unknown");
|
|
g_clear_error (error);
|
|
continue;
|
|
}
|
|
#if defined(EGL_KHR_create_context)
|
|
/* try a debug context */
|
|
contextFlags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
|
|
|
|
egl->egl_context =
|
|
_create_context_with_flags (egl, (EGLContext) external_gl_context,
|
|
GST_GL_API_GLES2, maj, min, contextFlags, profileMask);
|
|
|
|
if (egl->egl_context)
|
|
break;
|
|
|
|
/* try without a debug context */
|
|
contextFlags &= ~EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
|
|
#endif
|
|
|
|
egl->egl_context =
|
|
_create_context_with_flags (egl, (EGLContext) external_gl_context,
|
|
GST_GL_API_GLES2, maj, min, contextFlags, profileMask);
|
|
|
|
if (egl->egl_context)
|
|
break;
|
|
}
|
|
egl->gl_api = GST_GL_API_GLES2;
|
|
}
|
|
|
|
if (egl->egl_context != EGL_NO_CONTEXT) {
|
|
GST_INFO ("gl context created: %" G_GUINTPTR_FORMAT,
|
|
(guintptr) egl->egl_context);
|
|
} else {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT,
|
|
"Failed to create a OpenGL context: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
goto failure;
|
|
}
|
|
/* FIXME do we want a window vfunc ? */
|
|
#if GST_GL_HAVE_WINDOW_X11
|
|
if (GST_IS_GL_WINDOW_X11 (context->window)) {
|
|
gst_gl_window_x11_create_window ((GstGLWindowX11 *) context->window);
|
|
}
|
|
#endif
|
|
|
|
if (other_context == NULL) {
|
|
/* FIXME: fails to show two outputs at all. We need a property/option for
|
|
* glimagesink to say its a visible context */
|
|
#if GST_GL_HAVE_WINDOW_WAYLAND
|
|
if (GST_IS_GL_WINDOW_WAYLAND_EGL (context->window)) {
|
|
gst_gl_window_wayland_egl_create_window ((GstGLWindowWaylandEGL *)
|
|
context->window);
|
|
}
|
|
#endif
|
|
#if GST_GL_HAVE_WINDOW_WIN32
|
|
if (GST_IS_GL_WINDOW_WIN32 (context->window)) {
|
|
gst_gl_window_win32_create_window ((GstGLWindowWin32 *) context->window,
|
|
NULL);
|
|
}
|
|
#endif
|
|
#if GST_GL_HAVE_WINDOW_DISPMANX
|
|
if (GST_IS_GL_WINDOW_DISPMANX_EGL (context->window)) {
|
|
gst_gl_window_dispmanx_egl_create_window ((GstGLWindowDispmanxEGL *)
|
|
context->window);
|
|
}
|
|
#endif
|
|
#if GST_GL_HAVE_WINDOW_GBM
|
|
if (GST_IS_GL_WINDOW_GBM_EGL (context->window)) {
|
|
gst_gl_window_gbm_egl_create_window ((GstGLWindowGBMEGL *)
|
|
context->window);
|
|
}
|
|
#endif
|
|
#if GST_GL_HAVE_WINDOW_VIV_FB
|
|
if (GST_IS_GL_WINDOW_VIV_FB_EGL (context->window)) {
|
|
gst_gl_window_viv_fb_egl_create_window ((GstGLWindowVivFBEGL *)
|
|
context->window);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (window)
|
|
window_handle = gst_gl_window_get_window_handle (window);
|
|
|
|
if (window_handle) {
|
|
#if GST_GL_HAVE_WINDOW_WINRT && defined (EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER)
|
|
const EGLint attrs[] = {
|
|
/* EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER is an optimization that can
|
|
* have large performance benefits on mobile devices. */
|
|
EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER, EGL_TRUE,
|
|
EGL_NONE
|
|
};
|
|
#else
|
|
const EGLint *attrs = NULL;
|
|
#endif
|
|
|
|
GST_DEBUG ("Creating EGLSurface from window_handle %p",
|
|
(void *) window_handle);
|
|
egl->egl_surface =
|
|
eglCreateWindowSurface (egl->egl_display, egl->egl_config,
|
|
(EGLNativeWindowType) window_handle, attrs);
|
|
} else if (!gst_gl_check_extension ("EGL_KHR_surfaceless_context",
|
|
egl->egl_exts)) {
|
|
EGLint surface_attrib[7];
|
|
gint j = 0;
|
|
|
|
GST_DEBUG ("Surfaceless context, creating PBufferSurface");
|
|
/* FIXME: Width/height doesn't seem to matter but we can't leave them
|
|
* at 0, otherwise X11 complains about BadValue */
|
|
surface_attrib[j++] = EGL_WIDTH;
|
|
surface_attrib[j++] = 1;
|
|
surface_attrib[j++] = EGL_HEIGHT;
|
|
surface_attrib[j++] = 1;
|
|
surface_attrib[j++] = EGL_LARGEST_PBUFFER;
|
|
surface_attrib[j++] = EGL_TRUE;
|
|
surface_attrib[j++] = EGL_NONE;
|
|
|
|
egl->egl_surface =
|
|
eglCreatePbufferSurface (egl->egl_display, egl->egl_config,
|
|
surface_attrib);
|
|
} else {
|
|
GST_DEBUG ("No surface/handle !");
|
|
egl->egl_surface = EGL_NO_SURFACE;
|
|
need_surface = FALSE;
|
|
}
|
|
|
|
if (need_surface) {
|
|
if (egl->egl_surface != EGL_NO_SURFACE) {
|
|
GST_INFO ("surface created");
|
|
} else {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
|
|
"Failed to create window surface: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
goto failure;
|
|
}
|
|
}
|
|
egl->egl_major = egl_major;
|
|
egl->egl_minor = egl_minor;
|
|
|
|
if (window) {
|
|
egl->window_handle_signal = g_signal_connect_swapped (window,
|
|
"window-handle-changed",
|
|
G_CALLBACK (gst_gl_context_egl_window_handle_changed_cb), egl);
|
|
gst_object_unref (window);
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
failure:
|
|
if (window)
|
|
gst_object_unref (window);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_gl_context_egl_destroy_context (GstGLContext * context)
|
|
{
|
|
GstGLContextEGL *egl;
|
|
GstGLWindow *window;
|
|
|
|
egl = GST_GL_CONTEXT_EGL (context);
|
|
window = gst_gl_context_get_window (context);
|
|
|
|
if (window && egl->window_handle_signal) {
|
|
g_signal_handler_disconnect (window, egl->window_handle_signal);
|
|
egl->window_handle_signal = 0;
|
|
}
|
|
if (window) {
|
|
gst_object_unref (window);
|
|
}
|
|
|
|
gst_gl_context_egl_activate (context, FALSE);
|
|
|
|
if (egl->egl_surface) {
|
|
eglDestroySurface (egl->egl_display, egl->egl_surface);
|
|
egl->egl_surface = EGL_NO_SURFACE;
|
|
}
|
|
|
|
if (egl->egl_context) {
|
|
eglDestroyContext (egl->egl_display, egl->egl_context);
|
|
egl->egl_context = NULL;
|
|
}
|
|
|
|
eglReleaseThread ();
|
|
|
|
if (egl->display_egl) {
|
|
gst_object_unref (egl->display_egl);
|
|
egl->display_egl = NULL;
|
|
}
|
|
|
|
if (egl->requested_config)
|
|
gst_structure_free (egl->requested_config);
|
|
egl->requested_config = NULL;
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_context_egl_activate (GstGLContext * context, gboolean activate)
|
|
{
|
|
GstGLContextEGL *egl;
|
|
gboolean result;
|
|
|
|
egl = GST_GL_CONTEXT_EGL (context);
|
|
|
|
if (activate) {
|
|
GstGLWindow *window = gst_gl_context_get_window (context);
|
|
guintptr handle = 0;
|
|
/* Check if the backing handle changed */
|
|
if (window) {
|
|
handle = gst_gl_window_get_window_handle (window);
|
|
gst_object_unref (window);
|
|
}
|
|
if (handle && (egl->egl_surface == EGL_NO_SURFACE)) {
|
|
#if GST_GL_HAVE_WINDOW_WINRT && defined (EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER)
|
|
const EGLint attrs[] = {
|
|
/* EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER is an optimization that can
|
|
* have large performance benefits on mobile devices. */
|
|
EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER, EGL_TRUE,
|
|
EGL_NONE
|
|
};
|
|
#else
|
|
const EGLint *attrs = NULL;
|
|
#endif
|
|
GST_DEBUG_OBJECT (context,
|
|
"Handle changed (have:%p, now:%p), switching surface",
|
|
(void *) egl->window_handle, (void *) handle);
|
|
egl->egl_surface =
|
|
eglCreateWindowSurface (egl->egl_display, egl->egl_config,
|
|
(EGLNativeWindowType) handle, attrs);
|
|
egl->window_handle = handle;
|
|
|
|
if (egl->egl_surface == EGL_NO_SURFACE) {
|
|
GST_ERROR_OBJECT (context, "Failed to create window surface: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
result = FALSE;
|
|
goto done;
|
|
}
|
|
}
|
|
result = eglMakeCurrent (egl->egl_display, egl->egl_surface,
|
|
egl->egl_surface, egl->egl_context);
|
|
} else {
|
|
result = eglMakeCurrent (egl->egl_display, EGL_NO_SURFACE,
|
|
EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
}
|
|
|
|
if (!result) {
|
|
GST_ERROR_OBJECT (context,
|
|
"Failed to bind context to the current rendering thread: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
}
|
|
|
|
done:
|
|
return result;
|
|
}
|
|
|
|
static guintptr
|
|
gst_gl_context_egl_get_gl_context (GstGLContext * context)
|
|
{
|
|
return (guintptr) GST_GL_CONTEXT_EGL (context)->egl_context;
|
|
}
|
|
|
|
static void
|
|
gst_gl_context_egl_swap_buffers (GstGLContext * context)
|
|
{
|
|
GstGLContextEGL *egl;
|
|
|
|
egl = GST_GL_CONTEXT_EGL (context);
|
|
|
|
eglSwapBuffers (egl->egl_display, egl->egl_surface);
|
|
}
|
|
|
|
static GstGLAPI
|
|
gst_gl_context_egl_get_gl_api (GstGLContext * context)
|
|
{
|
|
return GST_GL_CONTEXT_EGL (context)->gl_api;
|
|
}
|
|
|
|
static GstGLPlatform
|
|
gst_gl_context_egl_get_gl_platform (GstGLContext * context)
|
|
{
|
|
return GST_GL_PLATFORM_EGL;
|
|
}
|
|
|
|
static GModule *module_egl;
|
|
|
|
static gpointer
|
|
load_egl_module (gpointer user_data)
|
|
{
|
|
#ifdef GST_GL_LIBEGL_MODULE_NAME
|
|
module_egl = g_module_open (GST_GL_LIBEGL_MODULE_NAME, G_MODULE_BIND_LAZY);
|
|
#else
|
|
/* On Linux the .so is only in -dev packages, try with a real soname
|
|
* Proper compilers will optimize away the strcmp */
|
|
if (g_strcmp0 (G_MODULE_SUFFIX, "so") == 0)
|
|
module_egl = g_module_open ("libEGL.so.1", G_MODULE_BIND_LAZY);
|
|
|
|
/* This automatically handles the suffix and even .la files */
|
|
if (!module_egl)
|
|
module_egl = g_module_open ("libEGL", G_MODULE_BIND_LAZY);
|
|
#endif
|
|
|
|
return NULL;
|
|
}
|
|
|
|
gpointer
|
|
gst_gl_context_egl_get_proc_address (GstGLAPI gl_api, const gchar * name)
|
|
{
|
|
gpointer result = NULL;
|
|
static GOnce g_once = G_ONCE_INIT;
|
|
|
|
#ifdef __APPLE__
|
|
#if GST_GL_HAVE_OPENGL && !defined(GST_GL_LIBGL_MODULE_NAME)
|
|
if (!result && (gl_api & (GST_GL_API_OPENGL | GST_GL_API_OPENGL3))) {
|
|
static GModule *module_opengl = NULL;
|
|
if (g_once_init_enter (&module_opengl)) {
|
|
GModule *setup_module_opengl =
|
|
g_module_open ("libGL.dylib", G_MODULE_BIND_LAZY);
|
|
g_once_init_leave (&module_opengl, setup_module_opengl);
|
|
}
|
|
if (module_opengl)
|
|
g_module_symbol (module_opengl, name, &result);
|
|
}
|
|
#endif
|
|
#if GST_GL_HAVE_GLES2 && !defined(GST_GL_LIBGLESV2_MODULE_NAME)
|
|
if (!result && (gl_api & (GST_GL_API_GLES2))) {
|
|
static GModule *module_gles2 = NULL;
|
|
if (g_once_init_enter (&module_gles2)) {
|
|
GModule *setup_module_gles2 =
|
|
g_module_open ("libGLESv2.dylib", G_MODULE_BIND_LAZY);
|
|
g_once_init_leave (&module_gles2, setup_module_gles2);
|
|
}
|
|
if (module_gles2)
|
|
g_module_symbol (module_gles2, name, &result);
|
|
}
|
|
#endif
|
|
#endif // __APPLE__
|
|
|
|
if (!result)
|
|
result = gst_gl_context_default_get_proc_address (gl_api, name);
|
|
|
|
g_once (&g_once, load_egl_module, NULL);
|
|
|
|
if (!result && module_egl) {
|
|
g_module_symbol (module_egl, name, &result);
|
|
}
|
|
|
|
/* FIXME: On Android this returns wrong addresses for non-EGL functions */
|
|
#if GST_GL_HAVE_WINDOW_ANDROID
|
|
if (!result && g_str_has_prefix (name, "egl")) {
|
|
#else
|
|
if (!result) {
|
|
result = eglGetProcAddress (name);
|
|
#endif
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_context_egl_check_feature (GstGLContext * context, const gchar * feature)
|
|
{
|
|
GstGLContextEGL *context_egl = GST_GL_CONTEXT_EGL (context);
|
|
|
|
return gst_gl_check_extension (feature, context_egl->egl_exts);
|
|
}
|
|
|
|
guintptr
|
|
gst_gl_context_egl_get_current_context (void)
|
|
{
|
|
return (guintptr) eglGetCurrentContext ();
|
|
}
|
|
|
|
static void
|
|
gst_gl_context_egl_get_gl_platform_version (GstGLContext * context,
|
|
gint * major, gint * minor)
|
|
{
|
|
GstGLContextEGL *context_egl = GST_GL_CONTEXT_EGL (context);
|
|
|
|
*major = context_egl->egl_major;
|
|
*minor = context_egl->egl_minor;
|
|
}
|
|
|
|
static GstStructure *
|
|
gst_gl_context_egl_get_config (GstGLContext * context)
|
|
{
|
|
GstGLContextEGL *egl = GST_GL_CONTEXT_EGL (context);
|
|
|
|
g_return_val_if_fail (egl->egl_config, NULL);
|
|
|
|
return egl_config_to_structure (egl->egl_display, egl->egl_config);
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_context_egl_request_config (GstGLContext * context,
|
|
GstStructure * config)
|
|
{
|
|
GstGLContextEGL *egl = GST_GL_CONTEXT_EGL (context);
|
|
|
|
if (egl->requested_config)
|
|
gst_structure_free (egl->requested_config);
|
|
egl->requested_config = config;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
gst_gl_context_egl_fill_info (GstGLContext * context, GError ** error)
|
|
{
|
|
EGLContext egl_context = (EGLContext) gst_gl_context_get_gl_context (context);
|
|
GstGLDisplay *display_egl;
|
|
GstStructure *config;
|
|
EGLDisplay *egl_display;
|
|
EGLConfig egl_config;
|
|
int config_id, n_configs;
|
|
int attrs[3];
|
|
|
|
if (!egl_context) {
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE, "no EGL context");
|
|
return FALSE;
|
|
}
|
|
|
|
display_egl =
|
|
GST_GL_DISPLAY (gst_gl_display_egl_from_gl_display (context->display));
|
|
egl_display = (EGLDisplay) gst_gl_display_get_handle (display_egl);
|
|
|
|
if (EGL_TRUE != eglQueryContext (egl_display, egl_context, EGL_CONFIG_ID,
|
|
&config_id)) {
|
|
GST_WARNING_OBJECT (context,
|
|
"could not retrieve egl config id from egl context: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"could not retrieve egl config id from egl context: %s",
|
|
gst_egl_get_error_string (eglGetError ()));
|
|
goto failure;
|
|
}
|
|
|
|
if (config_id == 0) {
|
|
GST_INFO_OBJECT (context, "egl config not available. ID is 0");
|
|
gst_object_unref (display_egl);
|
|
return TRUE;
|
|
}
|
|
|
|
attrs[0] = EGL_CONFIG_ID;
|
|
attrs[1] = config_id;
|
|
attrs[2] = EGL_NONE;
|
|
|
|
if (EGL_TRUE != eglChooseConfig (egl_display, attrs, &egl_config, 1,
|
|
&n_configs) || n_configs <= 0) {
|
|
GST_WARNING_OBJECT (context,
|
|
"could not retrieve egl config from its ID 0x%x. "
|
|
"Wrong EGLDisplay or context?", config_id);
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"could not retrieve egl config from its ID 0x%x. "
|
|
"Wrong EGLDisplay or context?", config_id);
|
|
goto failure;
|
|
}
|
|
|
|
config = egl_config_to_structure (egl_display, egl_config);
|
|
if (!config) {
|
|
GST_WARNING_OBJECT (context, "could not transform config id 0x%x into "
|
|
"GstStructure", config_id);
|
|
g_set_error (error, GST_GL_CONTEXT_ERROR,
|
|
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
|
|
"could not transform config id 0x%x into GstStructure", config_id);
|
|
goto failure;
|
|
}
|
|
|
|
GST_INFO_OBJECT (context, "found config %" GST_PTR_FORMAT, config);
|
|
|
|
g_object_set_data_full (G_OBJECT (context),
|
|
GST_GL_CONTEXT_WRAPPED_GL_CONFIG_NAME, config,
|
|
(GDestroyNotify) gst_structure_free);
|
|
|
|
gst_object_unref (display_egl);
|
|
return TRUE;
|
|
|
|
failure:
|
|
gst_object_unref (display_egl);
|
|
return FALSE;
|
|
}
|