Add traces in compositor, views and skia

ui/gfx/compositor/compositor_gl.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/compositor/compositor_gl.h"
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/threading/thread_restrictions.h"
 #include "third_party/skia/include/core/SkDevice.h"
 #include "third_party/skia/include/core/SkMatrix.h"
 #include "third_party/skia/include/core/SkPoint.h"
 #include "third_party/skia/include/core/SkRect.h"
 #include "third_party/skia/include/core/SkScalar.h"
 #include "ui/gfx/rect.h"
@@ skipping 310 matching lines @@
     SharedResourcesGL* instance = SharedResourcesGL::GetInstance();
     DCHECK(instance);
     instance->MakeSharedContextCurrent();
     glDeleteTextures(1, &texture_id_);
   }
 }
 
 void TextureGL::SetCanvas(const SkCanvas& canvas,
                           const gfx::Point& origin,
                           const gfx::Size& overall_size) {
+  TRACE_EVENT0("ui", "TextureGL::SetCanvas");
   const SkBitmap& bitmap = canvas.getDevice()->accessBitmap(false);
   // Verify bitmap pixels are contiguous.
   DCHECK_EQ(bitmap.rowBytes(),
             SkBitmap::ComputeRowBytes(bitmap.config(), bitmap.width()));
   SkAutoLockPixels lock(bitmap);
   void* pixels = bitmap.getPixels();
 
   if (!texture_id_) {
     // Texture needs to be created. We assume the first call is for
     // a full-sized canvas.
@@ skipping 18 matching lines @@
   } else {  // Uploading partial texture.
     glBindTexture(GL_TEXTURE_2D, texture_id_);
     glTexSubImage2D(GL_TEXTURE_2D, 0, origin.x(), origin.y(),
                     bitmap.width(), bitmap.height(),
                     GL_RGBA, GL_UNSIGNED_BYTE, pixels);
   }
 }
 
 void TextureGL::Draw(const ui::TextureDrawParams& params,
                      const gfx::Rect& clip_bounds_in_texture) {
+  TRACE_EVENT0("ui", "TextureGL::Draw");
   SharedResourcesGL* instance = SharedResourcesGL::GetInstance();
   DCHECK(instance);
   DrawInternal(*instance->program_swizzle(),
                params,
                clip_bounds_in_texture);
 }
 
 void TextureGL::DrawInternal(const ui::TextureProgramGL& program,
                              const ui::TextureDrawParams& params,
                              const gfx::Rect& clip_bounds_in_texture) {
@@ skipping 121 matching lines @@
 
 void CompositorGL::OnWidgetSizeChanged() {
 }
 
 Texture* CompositorGL::CreateTexture() {
   Texture* texture = new TextureGL();
   return texture;
 }
 
 void CompositorGL::OnNotifyStart(bool clear) {
+  TRACE_EVENT0("ui", "CompositorGL::OnNotifyStart");
   started_ = true;
   gl_context_->MakeCurrent(gl_surface_.get());
   glViewport(0, 0, size().width(), size().height());
   glColorMask(true, true, true, true);
 
   if (clear) {
     glClearColor(0, 0, 0, 0);
     glClear(GL_COLOR_BUFFER_BIT);
   }
 #if !defined(NDEBUG)
   else {
     // In debug mode, when we're not forcing a clear, clear to 'psychedelic'
     // purple to make it easy to spot un-rendered regions.
     glClearColor(223.0 / 255, 0, 1, 1);
     glClear(GL_COLOR_BUFFER_BIT);
   }
 #endif
 }
 
 void CompositorGL::OnNotifyEnd() {
+  TRACE_EVENT0("ui", "CompositorGL::OnNotifyEnd");
   DCHECK(started_);
   gl_surface_->SwapBuffers();
   started_ = false;
 }
 
 void CompositorGL::Blur(const gfx::Rect& bounds) {
   NOTIMPLEMENTED();
 }
 
 // static
 Compositor* Compositor::Create(CompositorDelegate* owner,
                                gfx::AcceleratedWidget widget,
                                const gfx::Size& size) {
   if (SharedResourcesGL::GetInstance() == NULL)
     return NULL;
   else
     return new CompositorGL(owner, widget, size);
 }
 
 }  // namespace ui