ui: Move gl/ directory out of gfx/, up to ui/.

ui/gfx/gl/gl_surface_win.cc

-// Copyright (c) 2012 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/gl/gl_surface.h"
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "third_party/mesa/MesaLib/include/GL/osmesa.h"
-#include "ui/gfx/gl/gl_bindings.h"
-#include "ui/gfx/gl/gl_implementation.h"
-#include "ui/gfx/gl/gl_surface_egl.h"
-#include "ui/gfx/gl/gl_surface_osmesa.h"
-#include "ui/gfx/gl/gl_surface_stub.h"
-#include "ui/gfx/gl/gl_surface_wgl.h"
-
-namespace gfx {
-
-// This OSMesa GL surface can use GDI to swap the contents of the buffer to a
-// view.
-class NativeViewGLSurfaceOSMesa : public GLSurfaceOSMesa {
- public:
-  explicit NativeViewGLSurfaceOSMesa(gfx::AcceleratedWidget window);
-  virtual ~NativeViewGLSurfaceOSMesa();
-
-  // Implement subset of GLSurface.
-  virtual bool Initialize() OVERRIDE;
-  virtual void Destroy() OVERRIDE;
-  virtual bool IsOffscreen() OVERRIDE;
-  virtual bool SwapBuffers() OVERRIDE;
-  virtual std::string GetExtensions() OVERRIDE;
-  virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE;
-
- private:
-  gfx::AcceleratedWidget window_;
-  HDC device_context_;
-
-  DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceOSMesa);
-};
-
-// Helper routine that does one-off initialization like determining the
-// pixel format and initializing the GL bindings.
-bool GLSurface::InitializeOneOffInternal() {
-  switch (GetGLImplementation()) {
-    case kGLImplementationDesktopGL:
-      if (!GLSurfaceWGL::InitializeOneOff()) {
-        LOG(ERROR) << "GLSurfaceWGL::InitializeOneOff failed.";
-        return false;
-      }
-      break;
-    case kGLImplementationEGLGLES2:
-      if (!GLSurfaceEGL::InitializeOneOff()) {
-        LOG(ERROR) << "GLSurfaceEGL::InitializeOneOff failed.";
-        return false;
-      }
-      break;
-  }
-  return true;
-}
-
-NativeViewGLSurfaceOSMesa::NativeViewGLSurfaceOSMesa(
-    gfx::AcceleratedWidget window)
-  : GLSurfaceOSMesa(OSMESA_RGBA, gfx::Size(1, 1)),
-    window_(window),
-    device_context_(NULL) {
-  DCHECK(window);
-}
-
-NativeViewGLSurfaceOSMesa::~NativeViewGLSurfaceOSMesa() {
-  Destroy();
-}
-
-bool NativeViewGLSurfaceOSMesa::Initialize() {
-  if (!GLSurfaceOSMesa::Initialize())
-    return false;
-
-  device_context_ = GetDC(window_);
-  return true;
-}
-
-void NativeViewGLSurfaceOSMesa::Destroy() {
-  if (window_ && device_context_)
-    ReleaseDC(window_, device_context_);
-
-  device_context_ = NULL;
-
-  GLSurfaceOSMesa::Destroy();
-}
-
-bool NativeViewGLSurfaceOSMesa::IsOffscreen() {
-  return false;
-}
-
-bool NativeViewGLSurfaceOSMesa::SwapBuffers() {
-  DCHECK(device_context_);
-
-  gfx::Size size = GetSize();
-
-  // Note: negating the height below causes GDI to treat the bitmap data as row
-  // 0 being at the top.
-  BITMAPV4HEADER info = { sizeof(BITMAPV4HEADER) };
-  info.bV4Width = size.width();
-  info.bV4Height = -size.height();
-  info.bV4Planes = 1;
-  info.bV4BitCount = 32;
-  info.bV4V4Compression = BI_BITFIELDS;
-  info.bV4RedMask = 0x000000FF;
-  info.bV4GreenMask = 0x0000FF00;
-  info.bV4BlueMask = 0x00FF0000;
-  info.bV4AlphaMask = 0xFF000000;
-
-  // Copy the back buffer to the window's device context. Do not check whether
-  // StretchDIBits succeeds or not. It will fail if the window has been
-  // destroyed but it is preferable to allow rendering to silently fail if the
-  // window is destroyed. This is because the primary application of this
-  // class of GLContext is for testing and we do not want every GL related ui /
-  // browser test to become flaky if there is a race condition between GL
-  // context destruction and window destruction.
-  StretchDIBits(device_context_,
-                0, 0, size.width(), size.height(),
-                0, 0, size.width(), size.height(),
-                GetHandle(),
-                reinterpret_cast<BITMAPINFO*>(&info),
-                DIB_RGB_COLORS,
-                SRCCOPY);
-
-  return true;
-}
-
-std::string NativeViewGLSurfaceOSMesa::GetExtensions() {
-  std::string extensions = gfx::GLSurfaceOSMesa::GetExtensions();
-  extensions += extensions.empty() ? "" : " ";
-  extensions += "GL_CHROMIUM_post_sub_buffer";
-  return extensions;
-}
-
-bool NativeViewGLSurfaceOSMesa::PostSubBuffer(
-    int x, int y, int width, int height) {
-  DCHECK(device_context_);
-
-  gfx::Size size = GetSize();
-
-  // Note: negating the height below causes GDI to treat the bitmap data as row
-  // 0 being at the top.
-  BITMAPV4HEADER info = { sizeof(BITMAPV4HEADER) };
-  info.bV4Width = size.width();
-  info.bV4Height = -size.height();
-  info.bV4Planes = 1;
-  info.bV4BitCount = 32;
-  info.bV4V4Compression = BI_BITFIELDS;
-  info.bV4RedMask = 0x000000FF;
-  info.bV4GreenMask = 0x0000FF00;
-  info.bV4BlueMask = 0x00FF0000;
-  info.bV4AlphaMask = 0xFF000000;
-
-  // Copy the back buffer to the window's device context. Do not check whether
-  // StretchDIBits succeeds or not. It will fail if the window has been
-  // destroyed but it is preferable to allow rendering to silently fail if the
-  // window is destroyed. This is because the primary application of this
-  // class of GLContext is for testing and we do not want every GL related ui /
-  // browser test to become flaky if there is a race condition between GL
-  // context destruction and window destruction.
-  StretchDIBits(device_context_,
-                x, size.height() - y - height, width, height,
-                x, y, width, height,
-                GetHandle(),
-                reinterpret_cast<BITMAPINFO*>(&info),
-                DIB_RGB_COLORS,
-                SRCCOPY);
-
-  return true;
-}
-
-scoped_refptr<GLSurface> GLSurface::CreateViewGLSurface(
-    bool software,
-    gfx::AcceleratedWidget window) {
-  switch (GetGLImplementation()) {
-    case kGLImplementationOSMesaGL: {
-      scoped_refptr<GLSurface> surface(
-          new NativeViewGLSurfaceOSMesa(window));
-      if (!surface->Initialize())
-        return NULL;
-
-      return surface;
-    }
-    case kGLImplementationEGLGLES2: {
-      scoped_refptr<GLSurface> surface(new NativeViewGLSurfaceEGL(software,
-          window));
-      if (!surface->Initialize())
-        return NULL;
-
-      return surface;
-    }
-    case kGLImplementationDesktopGL: {
-      if (software)
-        return NULL;
-      scoped_refptr<GLSurface> surface(new NativeViewGLSurfaceWGL(
-          window));
-      if (!surface->Initialize())
-        return NULL;
-
-      return surface;
-    }
-    case kGLImplementationMockGL:
-      return new GLSurfaceStub;
-    default:
-      NOTREACHED();
-      return NULL;
-  }
-}
-
-scoped_refptr<GLSurface> GLSurface::CreateOffscreenGLSurface(
-    bool software,
-    const gfx::Size& size) {
-  switch (GetGLImplementation()) {
-    case kGLImplementationOSMesaGL: {
-      scoped_refptr<GLSurface> surface(new GLSurfaceOSMesa(OSMESA_RGBA,
-                                                           size));
-      if (!surface->Initialize())
-        return NULL;
-
-      return surface;
-    }
-    case kGLImplementationEGLGLES2: {
-      scoped_refptr<GLSurface> surface(new PbufferGLSurfaceEGL(software, size));
-      if (!surface->Initialize())
-        return NULL;
-
-      return surface;
-    }
-    case kGLImplementationDesktopGL: {
-      if (software)
-        return NULL;
-      scoped_refptr<GLSurface> surface(new PbufferGLSurfaceWGL(size));
-      if (!surface->Initialize())
-        return NULL;
-
-      return surface;
-    }
-    case kGLImplementationMockGL:
-      return new GLSurfaceStub;
-    default:
-      NOTREACHED();
-      return NULL;
-  }
-}
-
-}  // namespace gfx