Move core pieces of browser\renderer_host to src\content.

chrome/browser/renderer_host/accelerated_surface_container_mac.cc

Index: chrome/browser/renderer_host/accelerated_surface_container_mac.cc
===================================================================
--- chrome/browser/renderer_host/accelerated_surface_container_mac.cc	(revision 75488)
+++ chrome/browser/renderer_host/accelerated_surface_container_mac.cc	(working copy)
@@ -1,233 +0,0 @@
-// Copyright (c) 2010 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 "chrome/browser/renderer_host/accelerated_surface_container_mac.h"
-
-#include "app/surface/io_surface_support_mac.h"
-#include "base/logging.h"
-#include "chrome/browser/renderer_host/accelerated_surface_container_manager_mac.h"
-#include "webkit/plugins/npapi/webplugin.h"
-
-AcceleratedSurfaceContainerMac::AcceleratedSurfaceContainerMac(
-    AcceleratedSurfaceContainerManagerMac* manager,
-    bool opaque)
-    : manager_(manager),
-      opaque_(opaque),
-      surface_id_(0),
-      width_(0),
-      height_(0),
-      texture_(0),
-      texture_needs_upload_(true),
-      texture_pending_deletion_(0),
-      visible_(false),
-      was_painted_to_(false) {
-}
-
-AcceleratedSurfaceContainerMac::~AcceleratedSurfaceContainerMac() {
-}
-
-void AcceleratedSurfaceContainerMac::SetSizeAndIOSurface(
-    int32 width,
-    int32 height,
-    uint64 io_surface_identifier) {
-  // Ignore |io_surface_identifier|: The surface hasn't been painted to and
-  // only contains garbage data. Update the surface in |set_was_painted_to()|
-  // instead.
-  width_ = width;
-  height_ = height;
-}
-
-void AcceleratedSurfaceContainerMac::SetSizeAndTransportDIB(
-    int32 width,
-    int32 height,
-    TransportDIB::Handle transport_dib) {
-  if (TransportDIB::is_valid(transport_dib)) {
-    transport_dib_.reset(TransportDIB::Map(transport_dib));
-    EnqueueTextureForDeletion();
-    width_ = width;
-    height_ = height;
-  }
-}
-
-void AcceleratedSurfaceContainerMac::SetGeometry(
-    const webkit::npapi::WebPluginGeometry& geom) {
-  visible_ = geom.visible;
-  if (geom.rects_valid)
-    clip_rect_ = geom.clip_rect;
-}
-
-void AcceleratedSurfaceContainerMac::Draw(CGLContextObj context) {
-  IOSurfaceSupport* io_surface_support = IOSurfaceSupport::Initialize();
-  GLenum target = GL_TEXTURE_RECTANGLE_ARB;
-  if (texture_pending_deletion_) {
-    // Clean up an old texture object. This is essentially a pre-emptive
-    // cleanup, as the resources will be released when the OpenGL context
-    // associated with our containing NSView is destroyed. However, if we
-    // resize a plugin often, we might generate a lot of textures, so we
-    // should try to eagerly reclaim their resources. Note also that the
-    // OpenGL context must be current when performing the deletion, and it
-    // seems risky to make the OpenGL context current at an arbitrary point
-    // in time, which is why the deletion does not occur in the container's
-    // destructor.
-    glDeleteTextures(1, &texture_pending_deletion_);
-    texture_pending_deletion_ = 0;
-  }
-  if (!texture_) {
-    if ((io_surface_support && !surface_.get()) ||
-        (!io_surface_support && !transport_dib_.get()))
-      return;
-    glGenTextures(1, &texture_);
-    glBindTexture(target, texture_);
-    glTexParameterf(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-    glTexParameterf(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    if (io_surface_support) {
-      texture_needs_upload_ = true;
-    } else {
-      // Reserve space on the card for the actual texture upload, done with the
-      // glTexSubImage2D() call, below.
-      glTexImage2D(target,
-                   0,  // mipmap level 0
-                   GL_RGBA,  // internal format
-                   width_,
-                   height_,
-                   0,  // no border
-                   GL_BGRA,  // The GPU plugin read BGRA pixels
-                   GL_UNSIGNED_INT_8_8_8_8_REV,
-                   NULL);  // No data, this call just reserves room.
-    }
-  }
-
-  // When using an IOSurface, the texture does not need to be repeatedly
-  // uploaded, just when we've been told we have to.
-  if (io_surface_support && texture_needs_upload_) {
-    DCHECK(surface_.get());
-    glBindTexture(target, texture_);
-    // Don't think we need to identify a plane.
-    GLuint plane = 0;
-    io_surface_support->CGLTexImageIOSurface2D(context,
-                                               target,
-                                               GL_RGBA,
-                                               surface_width_,
-                                               surface_height_,
-                                               GL_BGRA,
-                                               GL_UNSIGNED_INT_8_8_8_8_REV,
-                                               surface_.get(),
-                                               plane);
-    texture_needs_upload_ = false;
-  }
-  // If using TransportDIBs, the texture needs to be uploaded every frame.
-  if (transport_dib_.get() != NULL) {
-    void* pixel_memory = transport_dib_->memory();
-    if (pixel_memory) {
-      glBindTexture(target, texture_);
-      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);  // Needed for NPOT textures.
-      glTexSubImage2D(target,
-                      0,  // mipmap level 0
-                      0,  // x-offset
-                      0,  // y-offset
-                      width_,
-                      height_,
-                      GL_BGRA,  // The GPU plugin gave us BGRA pixels
-                      GL_UNSIGNED_INT_8_8_8_8_REV,
-                      pixel_memory);
-    }
-  }
-
-  if (texture_) {
-    int texture_width = io_surface_support ? surface_width_ : width_;
-    int texture_height = io_surface_support ? surface_height_ : height_;
-
-    // TODO(kbr): convert this to use only OpenGL ES 2.0 functionality.
-
-    // TODO(kbr): may need to pay attention to cutout rects.
-    int clipX = clip_rect_.x();
-    int clipY = clip_rect_.y();
-    int clipWidth = clip_rect_.width();
-    int clipHeight = clip_rect_.height();
-
-    if (clipX + clipWidth > texture_width)
-      clipWidth = texture_width - clipX;
-    if (clipY + clipHeight > texture_height)
-      clipHeight = texture_height - clipY;
-
-    if (opaque_) {
-      // Pepper 3D's output is currently considered opaque even if the
-      // program draws pixels with alpha less than 1. In order to have
-      // this effect, we need to drop the alpha channel of the input,
-      // replacing it with alpha = 1.
-
-      // First fill the rectangle with alpha=1.
-      glColorMask(false, false, false, true);
-      glColor4f(0.0f, 0.0f, 0.0f, 1.0f);
-      glBegin(GL_TRIANGLE_STRIP);
-      glVertex3f(0, 0, 0);
-      glVertex3f(clipWidth, 0, 0);
-      glVertex3f(0, clipHeight, 0);
-      glVertex3f(clipWidth, clipHeight, 0);
-      glEnd();
-
-      // Now draw the color channels from the incoming texture.
-      glColorMask(true, true, true, false);
-      // This call shouldn't be necessary -- we are using the GL_REPLACE
-      // texture environment mode -- but it appears to be.
-      glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
-    } else {
-      glColorMask(true, true, true, true);
-    }
-
-    // Draw the color channels from the incoming texture.
-    glBindTexture(target, texture_);
-    glEnable(target);
-    glBegin(GL_TRIANGLE_STRIP);
-
-      glTexCoord2f(clipX, texture_height - clipY);
-      glVertex3f(0, 0, 0);
-
-      glTexCoord2f(clipX + clipWidth, texture_height - clipY);
-      glVertex3f(clipWidth, 0, 0);
-
-      glTexCoord2f(clipX, texture_height - clipY - clipHeight);
-      glVertex3f(0, clipHeight, 0);
-
-      glTexCoord2f(clipX + clipWidth, texture_height - clipY - clipHeight);
-      glVertex3f(clipWidth, clipHeight, 0);
-
-    glEnd();
-    glDisable(target);
-  }
-}
-
-bool AcceleratedSurfaceContainerMac::ShouldBeVisible() const {
-  return visible_ && was_painted_to_ && !clip_rect_.IsEmpty();
-}
-
-void AcceleratedSurfaceContainerMac::set_was_painted_to(uint64 surface_id) {
-  if (surface_id && (!surface_ || surface_id != surface_id_)) {
-    // Keep the surface that was most recently painted to around.
-    if (IOSurfaceSupport* io_surface_support = IOSurfaceSupport::Initialize()) {
-      CFTypeRef surface = io_surface_support->IOSurfaceLookup(
-          static_cast<uint32>(surface_id));
-      // Can fail if IOSurface with that ID was already released by the
-      // gpu process or the plugin process. We will get a |set_was_painted_to()|
-      // message with a new surface soon in that case.
-      if (surface) {
-        surface_.reset(surface);
-        surface_id_ = surface_id;
-        surface_width_ = io_surface_support->IOSurfaceGetWidth(surface_);
-        surface_height_ = io_surface_support->IOSurfaceGetHeight(surface_);
-        EnqueueTextureForDeletion();
-      }
-    }
-  }
-  was_painted_to_ = true;
-}
-
-void AcceleratedSurfaceContainerMac::EnqueueTextureForDeletion() {
-  if (texture_) {
-    DCHECK(texture_pending_deletion_ == 0);
-    texture_pending_deletion_ = texture_;
-    texture_ = 0;
-  }
-}
-