mojo/services/surfaces/public/cpp/surfaces_utils.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mojo/services/surfaces/public/cpp/surfaces_utils.h"
   6
   7 #include "mojo/services/geometry/public/interfaces/geometry.mojom.h"
   8
   9 namespace mojo {
  10
  11 namespace {
  12 TransformPtr GetIdentityTransform() {
  13   TransformPtr transform(Transform::New());
  14   transform->matrix.resize(16);
  15   transform->matrix[0] = 1.f;
  16   transform->matrix[5] = 1.f;
  17   transform->matrix[10] = 1.f;
  18   transform->matrix[15] = 1.f;
  19   return transform.Pass();
  20 }
  21 }
  22
  23 SharedQuadStatePtr CreateDefaultSQS(const Size& size) {
  24   SharedQuadStatePtr sqs = SharedQuadState::New();
  25   sqs->content_to_target_transform = GetIdentityTransform();
  26   sqs->content_bounds = size.Clone();
  27   Rect rect;
  28   rect.width = size.width;
  29   rect.height = size.height;
  30   sqs->visible_content_rect = rect.Clone();
  31   sqs->clip_rect = rect.Clone();
  32   sqs->is_clipped = false;
  33   sqs->opacity = 1.f;
  34   sqs->blend_mode = mojo::SK_XFERMODE_kSrc_Mode;
  35   sqs->sorting_context_id = 0;
  36   return sqs.Pass();
  37 }
  38
  39 PassPtr CreateDefaultPass(int id, const Rect& rect) {
  40   PassPtr pass = Pass::New();
  41   pass->id = id;
  42   pass->output_rect = rect.Clone();
  43   pass->damage_rect = rect.Clone();
  44   pass->transform_to_root_target = GetIdentityTransform();
  45   pass->has_transparent_background = false;
  46   return pass.Pass();
  47 }
  48
  49 }  // namespace mojo