cc/test/mock_quad_culler.cc

   1 // Copyright 2012 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 "cc/test/mock_quad_culler.h"
   6
   7 #include "cc/base/math_util.h"
   8 #include "cc/quads/draw_quad.h"
   9
  10 namespace cc {
  11
  12 MockQuadCuller::MockQuadCuller() {
  13   render_pass_storage_ = RenderPass::Create();
  14   active_render_pass_ = render_pass_storage_.get();
  15 }
  16
  17 MockQuadCuller::MockQuadCuller(RenderPass* external_render_pass)
  18     : active_render_pass_(external_render_pass) {
  19 }
  20
  21 MockQuadCuller::~MockQuadCuller() {}
  22
  23 SharedQuadState* MockQuadCuller::CreateSharedQuadState() {
  24   return active_render_pass_->CreateAndAppendSharedQuadState();
  25 }
  26
  27 gfx::Rect MockQuadCuller::UnoccludedContentRect(
  28     const gfx::Rect& content_rect,
  29     const gfx::Transform& draw_transform) {
  30   DCHECK(draw_transform.IsIdentityOrIntegerTranslation() ||
  31          occluded_target_rect_.IsEmpty());
  32   gfx::Rect target_rect =
  33       MathUtil::MapEnclosingClippedRect(draw_transform, content_rect);
  34   target_rect.Subtract(occluded_target_rect_);
  35   gfx::Transform inverse_draw_transform(gfx::Transform::kSkipInitialization);
  36   if (!draw_transform.GetInverse(&inverse_draw_transform))
  37     NOTREACHED();
  38   gfx::Rect result = MathUtil::ProjectEnclosingClippedRect(
  39       inverse_draw_transform, target_rect);
  40   return result;
  41 }
  42
  43 gfx::Rect MockQuadCuller::UnoccludedContributingSurfaceContentRect(
  44     const gfx::Rect& content_rect,
  45     const gfx::Transform& draw_transform) {
  46   DCHECK(draw_transform.IsIdentityOrIntegerTranslation() ||
  47          occluded_target_rect_for_contributing_surface_.IsEmpty());
  48   gfx::Rect target_rect =
  49       MathUtil::MapEnclosingClippedRect(draw_transform, content_rect);
  50   target_rect.Subtract(occluded_target_rect_for_contributing_surface_);
  51   gfx::Transform inverse_draw_transform(gfx::Transform::kSkipInitialization);
  52   if (!draw_transform.GetInverse(&inverse_draw_transform))
  53     NOTREACHED();
  54   gfx::Rect result = MathUtil::ProjectEnclosingClippedRect(
  55       inverse_draw_transform, target_rect);
  56   return result;
  57 }
  58
  59 void MockQuadCuller::Append(scoped_ptr<DrawQuad> draw_quad) {
  60   DCHECK(!draw_quad->rect.IsEmpty());
  61   DCHECK(!draw_quad->visible_rect.IsEmpty());
  62   active_render_pass_->quad_list.push_back(draw_quad.Pass());
  63 }
  64
  65 }  // namespace cc