[802/906] add GstGLContext test that tests context sharing

1 files changed, 193 insertions, 0 deletions

diff --git a/tests/check/libs/gstglcontext.c b/tests/check/libs/gstglcontext.c
new file mode 100644
index 000000000..771794c30
--- /dev/null
+++ b/tests/check/libs/gstglcontext.c
@@ -0,0 +1,193 @@
+/* GStreamer
+ *
+ * Copyright (C) 2013 Matthew Waters <ystreet00@gmail.com>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include <gst/check/gstcheck.h>
+
+#include <gst/gl/gstglcontext.h>
+
+#include <stdio.h>
+
+static GstGLDisplay *display;
+
+void
+setup (void)
+{
+  display = gst_gl_display_new ();
+}
+
+void
+teardown (void)
+{
+  gst_object_unref (display);
+}
+
+static GLuint fbo_id, rbo, tex;
+static GstGLFramebuffer *fbo;
+
+void
+init (gpointer data)
+{
+  /* has to be called in the thread that is going to use the framebuffer */
+  fbo = gst_gl_framebuffer_new (display);
+
+  gst_gl_framebuffer_generate (fbo, 320, 240, &fbo_id, &rbo);
+  fail_if (fbo == NULL || fbo_id == 0, "failed to create framebuffer object");
+
+  gst_gl_display_gen_texture (display, &tex, GST_VIDEO_FORMAT_RGBA, 320, 240);
+  fail_if (tex == 0, "failed to create texture");
+}
+
+void
+clear_tex (gpointer data)
+{
+  static gfloat r = 0.0, g = 0.0, b = 0.0;
+  GstGLFuncs *gl = display->gl_vtable;
+
+  gl->ClearColor (r, g, b, 1.0);
+  gl->Clear (GL_COLOR_BUFFER_BIT);
+
+  r = r > 1.0 ? 0.0 : r + 0.03;
+  g = g > 1.0 ? 0.0 : g + 0.01;
+  b = b > 1.0 ? 0.0 : b + 0.015;
+}
+
+void
+draw_tex (gpointer data)
+{
+  gst_gl_framebuffer_use_v2 (fbo, 320, 240, fbo_id, rbo, tex,
+      (GLCB_V2) clear_tex, data);
+}
+
+void
+draw_render (gpointer data)
+{
+  GstGLFuncs *gl = display->gl_vtable;
+  GstGLContext *context = data;
+  GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
+
+  /* redraw the texture into the system provided framebuffer */
+
+  GLfloat verts[8] = { 1.0f, 1.0f,
+    -1.0f, 1.0f,
+    -1.0f, -1.0f,
+    1.0f, -1.0f
+  };
+  GLfloat texcoords[8] = { 320.0f, 0.0f,
+    0.0f, 0.0f,
+    0.0f, 240.0f,
+    320.0f, 240.0f
+  };
+
+  gl->Viewport (0, 0, 320, 240);
+
+  gl->Clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  gl->MatrixMode (GL_PROJECTION);
+  gl->LoadIdentity ();
+
+  gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
+  gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, tex);
+
+  gl->EnableClientState (GL_VERTEX_ARRAY);
+  gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
+  gl->VertexPointer (2, GL_FLOAT, 0, &verts);
+  gl->TexCoordPointer (2, GL_FLOAT, 0, &texcoords);
+
+  gl->DrawArrays (GL_TRIANGLE_FAN, 0, 4);
+
+  gl->DisableClientState (GL_VERTEX_ARRAY);
+  gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
+
+  gl->Disable (GL_TEXTURE_RECTANGLE_ARB);
+
+  context_class->swap_buffers (context);
+}
+
+GST_START_TEST (test_share)
+{
+  GstGLContext *context;
+  GstGLWindow *window;
+  GstGLContext *other_context;
+  GstGLWindow *other_window;
+  GError *error = NULL;
+  gint i = 0;
+
+  display = gst_gl_display_new ();
+  context = gst_gl_context_new (display);
+  gst_gl_display_set_context (display, context);
+
+  window = gst_gl_window_new (display);
+  gst_gl_context_set_window (context, window);
+
+  gst_gl_context_create (context, 0, &error);
+
+  fail_if (error != NULL, "Error creating master context %s\n",
+      error ? error->message : "Unknown Error");
+
+  other_window = gst_gl_window_new (display);
+
+  other_context = gst_gl_context_new (display);
+  gst_gl_context_set_window (other_context, other_window);
+
+  gst_gl_context_create (other_context, context, &error);
+
+  fail_if (error != NULL, "Error creating secondary context %s\n",
+      error ? error->message : "Unknown Error");
+
+  /* make the window visible */
+  gst_gl_window_draw (window, 320, 240);
+
+  gst_gl_window_send_message (other_window, GST_GL_WINDOW_CB (init), context);
+
+  while (i < 10) {
+    gst_gl_window_send_message (other_window, GST_GL_WINDOW_CB (draw_tex),
+        context);
+    gst_gl_window_send_message (window, GST_GL_WINDOW_CB (draw_render),
+        context);
+    i++;
+  }
+
+  gst_object_unref (window);
+  gst_object_unref (other_window);
+  gst_object_unref (other_context);
+  gst_object_unref (context);
+}
+
+GST_END_TEST;
+
+
+Suite *
+gst_gl_memory_suite (void)
+{
+  Suite *s = suite_create ("GstGLContext");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_checked_fixture (tc_chain, setup, teardown);
+  tcase_add_test (tc_chain, test_share);
+
+  return s;
+}
+
+GST_CHECK_MAIN (gst_gl_memory);