1 files changed, 175 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/linux/glx_renderer.cc b/third_party/libwebrtc/test/linux/glx_renderer.cc
new file mode 100644
index 0000000000..509a6c286e
--- /dev/null
+++ b/third_party/libwebrtc/test/linux/glx_renderer.cc
@@ -0,0 +1,175 @@
+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "test/linux/glx_renderer.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <stdlib.h>
+
+namespace webrtc {
+namespace test {
+
+GlxRenderer::GlxRenderer(size_t width, size_t height)
+    : width_(width), height_(height), display_(NULL), context_(NULL) {
+  RTC_DCHECK_GT(width, 0);
+  RTC_DCHECK_GT(height, 0);
+}
+
+GlxRenderer::~GlxRenderer() {
+  Destroy();
+}
+
+bool GlxRenderer::Init(const char* window_title) {
+  if ((display_ = XOpenDisplay(NULL)) == NULL) {
+    Destroy();
+    return false;
+  }
+
+  int screen = DefaultScreen(display_);
+
+  XVisualInfo* vi;
+  int attr_list[] = {
+      GLX_DOUBLEBUFFER, GLX_RGBA, GLX_RED_SIZE,   4,  GLX_GREEN_SIZE, 4,
+      GLX_BLUE_SIZE,    4,        GLX_DEPTH_SIZE, 16, None,
+  };
+
+  if ((vi = glXChooseVisual(display_, screen, attr_list)) == NULL) {
+    Destroy();
+    return false;
+  }
+
+  context_ = glXCreateContext(display_, vi, 0, true);
+  if (context_ == NULL) {
+    Destroy();
+    return false;
+  }
+
+  XSetWindowAttributes window_attributes;
+  window_attributes.colormap = XCreateColormap(
+      display_, RootWindow(display_, vi->screen), vi->visual, AllocNone);
+  window_attributes.border_pixel = 0;
+  window_attributes.event_mask = StructureNotifyMask | ExposureMask;
+  window_ = XCreateWindow(display_, RootWindow(display_, vi->screen), 0, 0,
+                          width_, height_, 0, vi->depth, InputOutput,
+                          vi->visual, CWBorderPixel | CWColormap | CWEventMask,
+                          &window_attributes);
+  XFree(vi);
+
+  XSetStandardProperties(display_, window_, window_title, window_title, None,
+                         NULL, 0, NULL);
+
+  Atom wm_delete = XInternAtom(display_, "WM_DELETE_WINDOW", True);
+  if (wm_delete != None) {
+    XSetWMProtocols(display_, window_, &wm_delete, 1);
+  }
+
+  XMapRaised(display_, window_);
+
+  if (!glXMakeCurrent(display_, window_, context_)) {
+    Destroy();
+    return false;
+  }
+  GlRenderer::Init();
+  if (!glXMakeCurrent(display_, None, NULL)) {
+    Destroy();
+    return false;
+  }
+
+  Resize(width_, height_);
+  return true;
+}
+
+void GlxRenderer::Destroy() {
+  if (context_ != NULL) {
+    glXMakeCurrent(display_, window_, context_);
+    GlRenderer::Destroy();
+    glXMakeCurrent(display_, None, NULL);
+    glXDestroyContext(display_, context_);
+    context_ = NULL;
+  }
+
+  if (display_ != NULL) {
+    XCloseDisplay(display_);
+    display_ = NULL;
+  }
+}
+
+GlxRenderer* GlxRenderer::Create(const char* window_title,
+                                 size_t width,
+                                 size_t height) {
+  GlxRenderer* glx_renderer = new GlxRenderer(width, height);
+  if (!glx_renderer->Init(window_title)) {
+    // TODO(pbos): Add GLX-failed warning here?
+    delete glx_renderer;
+    return NULL;
+  }
+  return glx_renderer;
+}
+
+void GlxRenderer::Resize(size_t width, size_t height) {
+  width_ = width;
+  height_ = height;
+  if (!glXMakeCurrent(display_, window_, context_)) {
+    abort();
+  }
+  GlRenderer::ResizeViewport(width_, height_);
+  if (!glXMakeCurrent(display_, None, NULL)) {
+    abort();
+  }
+
+  XSizeHints* size_hints = XAllocSizeHints();
+  if (size_hints == NULL) {
+    abort();
+  }
+  size_hints->flags = PAspect;
+  size_hints->min_aspect.x = size_hints->max_aspect.x = width_;
+  size_hints->min_aspect.y = size_hints->max_aspect.y = height_;
+  XSetWMNormalHints(display_, window_, size_hints);
+  XFree(size_hints);
+
+  XWindowChanges wc;
+  wc.width = static_cast<int>(width);
+  wc.height = static_cast<int>(height);
+  XConfigureWindow(display_, window_, CWWidth | CWHeight, &wc);
+}
+
+void GlxRenderer::OnFrame(const webrtc::VideoFrame& frame) {
+  if (static_cast<size_t>(frame.width()) != width_ ||
+      static_cast<size_t>(frame.height()) != height_) {
+    Resize(static_cast<size_t>(frame.width()),
+           static_cast<size_t>(frame.height()));
+  }
+
+  XEvent event;
+  if (!glXMakeCurrent(display_, window_, context_)) {
+    abort();
+  }
+  while (XPending(display_)) {
+    XNextEvent(display_, &event);
+    switch (event.type) {
+      case ConfigureNotify:
+        GlRenderer::ResizeViewport(event.xconfigure.width,
+                                   event.xconfigure.height);
+        break;
+      default:
+        break;
+    }
+  }
+
+  GlRenderer::OnFrame(frame);
+  glXSwapBuffers(display_, window_);
+
+  if (!glXMakeCurrent(display_, None, NULL)) {
+    abort();
+  }
+}
+}  // namespace test
+}  // namespace webrtc