src/cc/test/layer_test_common.h

   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 #ifndef CC_TEST_LAYER_TEST_COMMON_H_
   6 #define CC_TEST_LAYER_TEST_COMMON_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "cc/quads/render_pass.h"
  11 #include "cc/test/fake_layer_tree_host.h"
  12 #include "cc/test/mock_occlusion_tracker.h"
  13 #include "cc/trees/layer_tree_host_impl.h"
  14
  15 #define EXPECT_SET_NEEDS_COMMIT(expect, code_to_test)                 \
  16   do {                                                                \
  17     EXPECT_CALL(*layer_tree_host_, SetNeedsCommit()).Times((expect)); \
  18     code_to_test;                                                     \
  19     Mock::VerifyAndClearExpectations(layer_tree_host_.get());         \
  20   } while (false)
  21
  22 #define EXPECT_SET_NEEDS_UPDATE(expect, code_to_test)                       \
  23   do {                                                                      \
  24     EXPECT_CALL(*layer_tree_host_, SetNeedsUpdateLayers()).Times((expect)); \
  25     code_to_test;                                                           \
  26     Mock::VerifyAndClearExpectations(layer_tree_host_.get());               \
  27   } while (false)
  28
  29 namespace gfx { class Rect; }
  30
  31 namespace cc {
  32 class LayerImpl;
  33 class OutputSurface;
  34 class QuadList;
  35 class RenderSurfaceImpl;
  36 class ResourceProvider;
  37
  38 class LayerTestCommon {
  39  public:
  40   static const char* quad_string;
  41
  42   static void VerifyQuadsExactlyCoverRect(const QuadList& quads,
  43                                           const gfx::Rect& rect);
  44
  45   static void VerifyQuadsAreOccluded(const QuadList& quads,
  46                                      const gfx::Rect& occluded,
  47                                      size_t* partially_occluded_count);
  48
  49   class LayerImplTest {
  50    public:
  51     LayerImplTest();
  52     ~LayerImplTest();
  53
  54     template <typename T>
  55     T* AddChildToRoot() {
  56       scoped_ptr<T> layer = T::Create(host_->host_impl()->active_tree(), 2);
  57       T* ptr = layer.get();
  58       root_layer_impl_->AddChild(layer.Pass());
  59       return ptr;
  60     }
  61
  62     template <typename T, typename A>
  63     T* AddChildToRoot(const A& a) {
  64       scoped_ptr<T> layer = T::Create(host_->host_impl()->active_tree(), 2, a);
  65       T* ptr = layer.get();
  66       root_layer_impl_->AddChild(layer.Pass());
  67       return ptr;
  68     }
  69
  70     template <typename T, typename A, typename B>
  71     T* AddChildToRoot(const A& a, const B& b) {
  72       scoped_ptr<T> layer =
  73           T::Create(host_->host_impl()->active_tree(), 2, a, b);
  74       T* ptr = layer.get();
  75       root_layer_impl_->AddChild(layer.Pass());
  76       return ptr;
  77     }
  78
  79     template <typename T, typename A, typename B, typename C, typename D>
  80     T* AddChildToRoot(const A& a, const B& b, const C& c, const D& d) {
  81       scoped_ptr<T> layer =
  82           T::Create(host_->host_impl()->active_tree(), 2, a, b, c, d);
  83       T* ptr = layer.get();
  84       root_layer_impl_->AddChild(layer.Pass());
  85       return ptr;
  86     }
  87
  88     template <typename T,
  89               typename A,
  90               typename B,
  91               typename C,
  92               typename D,
  93               typename E>
  94     T* AddChildToRoot(const A& a,
  95                       const B& b,
  96                       const C& c,
  97                       const D& d,
  98                       const E& e) {
  99       scoped_ptr<T> layer =
 100           T::Create(host_->host_impl()->active_tree(), 2, a, b, c, d, e);
 101       T* ptr = layer.get();
 102       root_layer_impl_->AddChild(layer.Pass());
 103       return ptr;
 104     }
 105
 106     void CalcDrawProps(const gfx::Size& viewport_size);
 107     void AppendQuadsWithOcclusion(LayerImpl* layer_impl,
 108                                   const gfx::Rect& occluded);
 109     void AppendQuadsForPassWithOcclusion(LayerImpl* layer_impl,
 110                                          const RenderPassId& id,
 111                                          const gfx::Rect& occluded);
 112     void AppendSurfaceQuadsWithOcclusion(RenderSurfaceImpl* surface_impl,
 113                                          const gfx::Rect& occluded);
 114
 115     OutputSurface* output_surface() const {
 116       return host_->host_impl()->output_surface();
 117     }
 118     ResourceProvider* resource_provider() const {
 119       return host_->host_impl()->resource_provider();
 120     }
 121     LayerImpl* root_layer() const { return root_layer_impl_.get(); }
 122     FakeLayerTreeHostImpl* host_impl() const { return host_->host_impl(); }
 123     Proxy* proxy() const { return host_->host_impl()->proxy(); }
 124     const QuadList& quad_list() const { return render_pass_->quad_list; }
 125
 126    private:
 127     FakeLayerTreeHostClient client_;
 128     scoped_ptr<FakeLayerTreeHost> host_;
 129     scoped_ptr<LayerImpl> root_layer_impl_;
 130     scoped_ptr<RenderPass> render_pass_;
 131     MockOcclusionTracker<LayerImpl> occlusion_tracker_;
 132   };
 133 };
 134
 135 }  // namespace cc
 136
 137 #endif  // CC_TEST_LAYER_TEST_COMMON_H_