mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 20:51:13 +00:00
[615/906] preliminary support for Win32 EGL
This commit is contained in:
Matthew Waters
Tim-Philipp Müller
parent
d378a9d1d9
commit
cc1f734857
3 changed files with 342 additions and 0 deletions
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@ -25,7 +25,12 @@
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#include "gstglwindow_win32.h"
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#include "gstglwindow_win32.h"
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#if HAVE_WGL
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#include "gstglwindow_win32_wgl.h"
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#include "gstglwindow_win32_wgl.h"
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#endif
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#if HAVE_EGL
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#include "gstglwindow_win32_egl.h"
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#endif
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#define WM_GST_GL_WINDOW_CUSTOM (WM_APP+1)
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#define WM_GST_GL_WINDOW_CUSTOM (WM_APP+1)
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#define WM_GST_GL_WINDOW_QUIT (WM_APP+2)
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#define WM_GST_GL_WINDOW_QUIT (WM_APP+2)
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267
gst-libs/gst/gl/gstglwindow_win32_egl.c
Normal file
267
gst-libs/gst/gl/gstglwindow_win32_egl.c
Normal file
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@ -0,0 +1,267 @@
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/*
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* GStreamer
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* Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstglwindow.h"
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static guintptr gst_gl_window_win32_wgl_get_gl_context (GstGLWindowWin32 *
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window_win32);
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static void gst_gl_window_win32_wgl_swap_buffers (GstGLWindowWin32 *
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window_win32);
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static gboolean gst_gl_window_win32_wgl_choose_format (GstGLWindowWin32 *
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window_win32);
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static gboolean gst_gl_window_win32_wgl_activate (GstGLWindowWin32 *
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window_win32, gboolean activate);
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static gboolean gst_gl_window_win32_wgl_create_context (GstGLWindowWin32 *
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window_win32, GstGLRendererAPI render_api, guintptr external_gl_context);
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static void gst_gl_window_win32_wgl_destroy_context (GstGLWindowWin32 *
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window_win32);
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const gchar *EGLErrorString ();
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#define GST_CAT_DEFAULT gst_gl_window_win32_wgl_debug
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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#define DEBUG_INIT \
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GST_DEBUG_CATEGORY_GET (GST_CAT_DEFAULT, "glwindow");
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#define gst_gl_window_win32_wgl_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstGLWindowWin32EGL, gst_gl_window_win32_egl,
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GST_GL_TYPE_WINDOW, DEBUG_INIT);
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static void
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gst_gl_window_win32_egl_class_init (GstGLWindowWin32EGLClass * klass)
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{
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GstGLWindowWin32Class *window_class = (GstGLWindowWin32 *) klass;
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window_win32_class->get_gl_context =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_wgl_get_gl_context);
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window_win32_class->choose_format =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_wgl_choose_format);
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window_win32_class->activate =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_wgl_activate);
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window_win32_class->create_context =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_wgl_create_context);
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window_win32_class->destroy_context =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_wgl_destroy_context);
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window_win32_class->swap_buffers =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_wgl_swap_buffers);
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}
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static void
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gst_gl_window_win32_egl_init (GstGLWindow * window)
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{
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}
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/* Must be called in the gl thread */
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GstGLWindowWin32EGL *
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gst_gl_window_win32_egl_new (GstGLRendererAPI render_api,
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guintptr external_gl_context)
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{
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GstGLWindowWin32EGL *window =
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g_object_new (GST_GL_TYPE_WINDOW_WIN32_EGL, NULL);
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gst_gl_window_win32_open_device (GST_GL_WINDOW_WIN32 (window));
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return window;
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}
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guintptr
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gst_gl_window_win32_egl_get_gl_context (GstGLWindowWin32 * window_win32)
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{
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return (guintptr) GST_GL_WINDOW_WIN32_EGL (window_win32)->wgl_context}
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static gboolean
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gst_gl_window_win32_egl_activate (GstGLWindowWin32 * window_win32,
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gboolean activate)
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{
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GstGLWindowWin32EGL window;
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gboolean result;
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window = GST_GL_WINDOW_WIN32_ELG (window_win32);
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if (activate) {
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result = eglMakeCurrent (window->display, window->surface, window->surface,
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window->gl_context);
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} else {
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result = eglMakeCurrent (window->display, EGL_NO_SURFACE, EGL_NO_SURFACE,
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EGL_NO_CONTEXT)
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}
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return result;
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}
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static gboolean
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gst_gl_window_win32_egl_create_context (GstGLWindowWin32 * window_win32,
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GstGLRendererAPI render_api, guintptr external_gl_context)
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{
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GstGLWindowWin32EGL *window_egl;
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EGLint majorVersion;
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EGLint minorVersion;
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EGLint numConfigs;
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EGLConfig config;
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EGLint contextAttribs[] =
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{ EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE, EGL_NONE };
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EGLint attribList[] = {
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EGL_RED_SIZE, 5,
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EGL_GREEN_SIZE, 6,
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EGL_BLUE_SIZE, 5,
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EGL_ALPHA_SIZE, 8,
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EGL_DEPTH_SIZE, 8,
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EGL_STENCIL_SIZE, 8,
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EGL_SAMPLE_BUFFERS, EGL_DONT_CARE, //1
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EGL_NONE
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};
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window_egl = GST_GL_WINDOW_WIN32_EGL (window_win32);
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window_egl->display = eglGetDisplay (window_win32->device);
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if (priv->display != EGL_NO_DISPLAY)
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g_debug ("display retrieved: %d\n", window_egl->display);
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else {
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g_debug ("failed to retrieve display %s\n", EGLErrorString ());
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goto failure;
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}
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if (eglInitialize (priv->display, &majorVersion, &minorVersion))
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g_debug ("egl initialized: %d.%d\n", majorVersion, minorVersion);
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else {
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g_debug ("failed to initialize egl %d, %s\n", priv->display,
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EGLErrorString ());
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goto failure;
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}
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if (eglGetConfigs (window_egl->display, NULL, 0, &numConfigs))
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g_debug ("configs retrieved: %d\n", numConfigs);
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else {
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g_debug ("failed to retrieve configs %d, %s\n", window_egl->display,
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EGLErrorString ());
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goto failure;
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}
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if (eglChooseConfig (priv->display, attribList, &config, 1, &numConfigs))
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g_debug ("config set: %d, %d\n", config, numConfigs);
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else {
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g_debug ("failed to set config %d, %s\n", window_egl->display,
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EGLErrorString ());
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goto failure;
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}
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window_egl->surface =
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eglCreateWindowSurface (window_egl->display, config,
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(EGLNativeWindowType) WindowFromDC (window_win32->device), NULL);
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if (priv->surface != EGL_NO_SURFACE)
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g_debug ("surface created: %d\n", window_egl->surface);
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else {
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g_debug ("failed to create surface %d, %d, %s\n", window_egl->display,
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window_egl->surface, EGLErrorString ());
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goto failure;
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}
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window_egl->egl_context =
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eglCreateContext (window_egl->display, config,
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window_egl->external_gl_context, contextAttribs);
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if (window_egl->egl_context != EGL_NO_CONTEXT)
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g_debug ("gl context created: %lud, external: %lud\n",
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(gulong) window_egl->egl_context,
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(gulong) window_egl->external_gl_context);
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else {
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g_debug
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("failed to create glcontext %lud, extenal: %lud, %s\n",
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(gulong) window_egl->egl_context,
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(gulong) window_egl->external_gl_context, EGLErrorString ());
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goto failure;
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}
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return TRUE;
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failure:
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return FALSE;
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}
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static void
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gst_gl_window_win32_egl_destroy_context (GstGLWindowWin32 * window_win32)
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{
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GstGLWindowWin32EGL *window_egl;
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window_egl = GST_GL_WINDOW_WIN32_EGL (window_win32);
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if (window_egl->egl_context) {
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if (!eglDestroyContext (window_egl->display, window_egl->egl_context))
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g_debug ("failed to destroy context %d, %s\n", window_egl->egl_context,
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EGLErrorString ());
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window_egl->egl_context = NULL;
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}
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if (window_egl->surface) {
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if (!eglDestroySurface (window_egl->display, window_egl->surface))
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g_debug ("failed to destroy surface %d, %s\n", window_egl->surface,
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EGLErrorString ());
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window_egl->surface = NULL;
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}
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if (window_egl->display) {
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if (!eglTerminate (window_egl->display))
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g_debug ("failed to terminate display %d, %s\n", window_egl->display,
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EGLErrorString ());
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window_egl->display = NULL;
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}
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}
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const gchar *
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EGLErrorString ()
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{
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EGLint nErr = eglGetError ();
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switch (nErr) {
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case EGL_SUCCESS:
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return "EGL_SUCCESS";
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case EGL_BAD_DISPLAY:
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return "EGL_BAD_DISPLAY";
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case EGL_NOT_INITIALIZED:
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return "EGL_NOT_INITIALIZED";
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case EGL_BAD_ACCESS:
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return "EGL_BAD_ACCESS";
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case EGL_BAD_ALLOC:
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return "EGL_BAD_ALLOC";
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case EGL_BAD_ATTRIBUTE:
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return "EGL_BAD_ATTRIBUTE";
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case EGL_BAD_CONFIG:
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return "EGL_BAD_CONFIG";
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case EGL_BAD_CONTEXT:
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return "EGL_BAD_CONTEXT";
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case EGL_BAD_CURRENT_SURFACE:
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return "EGL_BAD_CURRENT_SURFACE";
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case EGL_BAD_MATCH:
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return "EGL_BAD_MATCH";
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case EGL_BAD_NATIVE_PIXMAP:
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return "EGL_BAD_NATIVE_PIXMAP";
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case EGL_BAD_NATIVE_WINDOW:
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return "EGL_BAD_NATIVE_WINDOW";
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case EGL_BAD_PARAMETER:
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return "EGL_BAD_PARAMETER";
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case EGL_BAD_SURFACE:
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return "EGL_BAD_SURFACE";
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default:
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return "unknown";
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}
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}
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70
gst-libs/gst/gl/gstglwindow_win32_egl.h
Normal file
70
gst-libs/gst/gl/gstglwindow_win32_egl.h
Normal file
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@ -0,0 +1,70 @@
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/*
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* GStreamer
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
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|
*
|
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* This library is free software; you can redistribute it and/or
|
||||||
|
* modify it under the terms of the GNU Library General Public
|
||||||
|
* License as published by the Free Software Foundation; either
|
||||||
|
* version 2 of the License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This library is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||||
|
* Library General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Library General Public
|
||||||
|
* License along with this library; if not, write to the
|
||||||
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
||||||
|
* Boston, MA 02110-1301, USA.
|
||||||
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*/
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#ifndef __GST_GL_WINDOW_WIN32_EGL_H__
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#define __GST_GL_WINDOW_WIN32_EGL_H__
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#include "gstglwindow_win32.h"
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#undef UNICODE
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#include <windows.h>
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#define UNICODE
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G_BEGIN_DECLS
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#define GST_GL_TYPE_WINDOW_WIN32_EGL (gst_gl_window_win32_egl_get_type())
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#define GST_GL_WINDOW_WIN32_EGL(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_GL_TYPE_WINDOW_WIN32_EGL, GstGLWindowWin32EGL))
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#define GST_GL_WINDOW_WIN32_EGL_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_GL_TYPE_WINDOW_WIN32_EGL, GstGLWindowWin32EGLClass))
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#define GST_GL_IS_WINDOW_WIN32_EGL(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_GL_TYPE_WINDOW_WIN32_EGL))
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#define GST_GL_IS_WINDOW_WIN32_EGL_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_GL_TYPE_WINDOW_WIN32_EGL))
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#define GST_GL_WINDOW_WIN32_EGL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_GL_TYPE_WINDOW_WIN32_EGL, GstGLWindowWin32EGLClass))
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typedef struct _GstGLWindowWin32EGL GstGLWindowWin32EGL;
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typedef struct _GstGLWindowWin32EGLClass GstGLWindowWin32EGLClass;
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struct _GstGLWindowWin32EGL {
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/*< private >*/
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GstGLWindowWin32 parent;
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|
|
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EGLNativeWindowType internal_win_id;
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EGLDisplay display;
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EGLSurface surface;
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||||||
|
EGLContext egl_context;
|
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|
EGLContext external_gl_context;
|
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|
|
||||||
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gpointer _reserved[GST_PADDING];
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||||||
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};
|
||||||
|
|
||||||
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struct _GstGLWindowWin32EGLClass {
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/*< private >*/
|
||||||
|
GstGLWindowWin32Class parent_class;
|
||||||
|
|
||||||
|
/*< private >*/
|
||||||
|
gpointer _reserved[GST_PADDING];
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_gl_window_win32_egl_get_type (void);
|
||||||
|
|
||||||
|
GstGLWindowWin32EGL * gst_gl_window_win32_egl_new (GstGLRendererAPI render_api,
|
||||||
|
guintptr external_gl_context);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_GL_WINDOW_X11_H__ */
|
||||||
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Reference in a new issue