Moving the GL implementation details into a sub folder for client display.

remoting/client/gl_cursor.cc

-// Copyright 2016 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 "remoting/client/gl_cursor.h"
-
-#include "remoting/base/util.h"
-#include "remoting/client/gl_canvas.h"
-#include "remoting/client/gl_math.h"
-#include "remoting/client/gl_render_layer.h"
-#include "remoting/client/gl_texture_ids.h"
-#include "remoting/proto/control.pb.h"
-#include "third_party/libyuv/include/libyuv/convert_argb.h"
-
-namespace remoting {
-
-namespace {
-const int kDefaultCursorDataSize = 32 * 32 * GlRenderLayer::kBytesPerPixel;
-}  // namespace
-
-GlCursor::GlCursor() {}
-
-GlCursor::~GlCursor() {}
-
-void GlCursor::SetCursorShape(const protocol::CursorShapeInfo& cursor_shape) {
-  int data_size = cursor_shape.width() * cursor_shape.height() *
-      GlRenderLayer::kBytesPerPixel;
-  if (current_cursor_data_size_ < data_size) {
-    current_cursor_data_size_ =
-        kDefaultCursorDataSize > data_size ? kDefaultCursorDataSize : data_size;
-    current_cursor_data_.reset(new uint8_t[current_cursor_data_size_]);
-  }
-  int stride = cursor_shape.width() * GlRenderLayer::kBytesPerPixel;
-  libyuv::ABGRToARGB(
-      reinterpret_cast<const uint8_t*>(cursor_shape.data().data()), stride,
-      current_cursor_data_.get(), stride, cursor_shape.width(),
-      cursor_shape.height());
-
-  bool size_changed = current_cursor_width_ != cursor_shape.width() ||
-                      current_cursor_height_ != cursor_shape.height();
-
-  current_cursor_width_ = cursor_shape.width();
-  current_cursor_height_ = cursor_shape.height();
-  current_cursor_hotspot_x_ = cursor_shape.hotspot_x();
-  current_cursor_hotspot_y_ = cursor_shape.hotspot_y();
-
-  SetCurrentCursorShape(size_changed);
-
-  SetCursorPosition(cursor_x_, cursor_y_);
-}
-
-void GlCursor::SetCursorPosition(float x, float y) {
-  cursor_x_ = x;
-  cursor_y_ = y;
-  if (!current_cursor_data_) {
-    return;
-  }
-  std::array<float, 8> positions;
-  FillRectangleVertexPositions(
-      x - current_cursor_hotspot_x_, y - current_cursor_hotspot_y_,
-      current_cursor_width_, current_cursor_height_, &positions);
-  if (layer_) {
-    layer_->SetVertexPositions(positions);
-  }
-}
-
-void GlCursor::SetCursorVisible(bool visible) {
-  visible_ = visible;
-}
-
-void GlCursor::SetCanvas(GlCanvas* canvas) {
-  if (!canvas) {
-    layer_.reset();
-    return;
-  }
-  layer_.reset(new GlRenderLayer(kGlCursorTextureId, canvas));
-  if (current_cursor_data_) {
-    SetCurrentCursorShape(true);
-  }
-  SetCursorPosition(cursor_x_, cursor_y_);
-}
-
-void GlCursor::Draw() {
-  if (layer_ && current_cursor_data_ && visible_) {
-    layer_->Draw(1.f);
-  }
-}
-
-void GlCursor::SetCurrentCursorShape(bool size_changed) {
-  if (layer_) {
-    if (size_changed) {
-      layer_->SetTexture(current_cursor_data_.get(), current_cursor_width_,
-                         current_cursor_height_, 0);
-    } else {
-      layer_->UpdateTexture(current_cursor_data_.get(), 0, 0,
-                            current_cursor_width_, current_cursor_width_, 0);
-    }
-  }
-}
-
-}  // namespace remoting