1. With introduction of compressed formats, e.g. ETC1, the number of
[chromium-blink-merge.git] / cc / quads / render_pass_unittest.cc
blob5ab8c3170c3488011d8910e2ab6ceaa4fc31fae0
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.
5 #include "cc/quads/render_pass.h"
7 #include "cc/base/math_util.h"
8 #include "cc/base/scoped_ptr_vector.h"
9 #include "cc/output/copy_output_request.h"
10 #include "cc/quads/checkerboard_draw_quad.h"
11 #include "cc/quads/render_pass_draw_quad.h"
12 #include "cc/test/geometry_test_utils.h"
13 #include "cc/test/render_pass_test_common.h"
14 #include "testing/gtest/include/gtest/gtest.h"
15 #include "third_party/skia/include/effects/SkBlurImageFilter.h"
16 #include "ui/gfx/transform.h"
18 using cc::TestRenderPass;
20 namespace cc {
21 namespace {
23 struct RenderPassSize {
24 // If you add a new field to this class, make sure to add it to the
25 // Copy() tests.
26 RenderPassId id;
27 QuadList quad_list;
28 SharedQuadStateList shared_quad_state_list;
29 gfx::Transform transform_to_root_target;
30 gfx::Rect output_rect;
31 gfx::Rect damage_rect;
32 bool has_transparent_background;
33 std::vector<SurfaceId> referenced_surfaces;
34 ScopedPtrVector<CopyOutputRequest> copy_callbacks;
37 static void CompareRenderPassLists(const RenderPassList& expected_list,
38 const RenderPassList& actual_list) {
39 EXPECT_EQ(expected_list.size(), actual_list.size());
40 for (size_t i = 0; i < actual_list.size(); ++i) {
41 RenderPass* expected = expected_list[i];
42 RenderPass* actual = actual_list[i];
44 EXPECT_EQ(expected->id, actual->id);
45 EXPECT_EQ(expected->output_rect, actual->output_rect);
46 EXPECT_EQ(expected->transform_to_root_target,
47 actual->transform_to_root_target);
48 EXPECT_EQ(expected->damage_rect, actual->damage_rect);
49 EXPECT_EQ(expected->has_transparent_background,
50 actual->has_transparent_background);
52 EXPECT_EQ(expected->shared_quad_state_list.size(),
53 actual->shared_quad_state_list.size());
54 EXPECT_EQ(expected->quad_list.size(), actual->quad_list.size());
55 EXPECT_EQ(expected->referenced_surfaces, actual->referenced_surfaces);
57 for (auto exp_iter = expected->quad_list.cbegin(),
58 act_iter = actual->quad_list.cbegin();
59 exp_iter != expected->quad_list.cend();
60 ++exp_iter, ++act_iter) {
61 EXPECT_EQ(exp_iter->rect.ToString(), act_iter->rect.ToString());
62 EXPECT_EQ(exp_iter->shared_quad_state->quad_layer_bounds.ToString(),
63 act_iter->shared_quad_state->quad_layer_bounds.ToString());
68 TEST(RenderPassTest, CopyShouldBeIdenticalExceptIdAndQuads) {
69 RenderPassId id(3, 2);
70 gfx::Rect output_rect(45, 22, 120, 13);
71 gfx::Transform transform_to_root =
72 gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
73 gfx::Rect damage_rect(56, 123, 19, 43);
74 bool has_transparent_background = true;
76 scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
77 pass->SetAll(id,
78 output_rect,
79 damage_rect,
80 transform_to_root,
81 has_transparent_background);
82 pass->copy_requests.push_back(CopyOutputRequest::CreateEmptyRequest());
84 // Stick a quad in the pass, this should not get copied.
85 SharedQuadState* shared_state = pass->CreateAndAppendSharedQuadState();
86 shared_state->SetAll(gfx::Transform(),
87 gfx::Size(),
88 gfx::Rect(),
89 gfx::Rect(),
90 false,
92 SkXfermode::kSrcOver_Mode,
93 0);
95 CheckerboardDrawQuad* checkerboard_quad =
96 pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
97 checkerboard_quad->SetNew(pass->shared_quad_state_list.back(), gfx::Rect(),
98 gfx::Rect(), SkColor(), 1.f);
100 RenderPassId new_id(63, 4);
102 scoped_ptr<RenderPass> copy = pass->Copy(new_id);
103 EXPECT_EQ(new_id, copy->id);
104 EXPECT_EQ(pass->output_rect, copy->output_rect);
105 EXPECT_EQ(pass->transform_to_root_target, copy->transform_to_root_target);
106 EXPECT_EQ(pass->damage_rect, copy->damage_rect);
107 EXPECT_EQ(pass->has_transparent_background, copy->has_transparent_background);
108 EXPECT_EQ(0u, copy->quad_list.size());
109 EXPECT_EQ(0u, copy->referenced_surfaces.size());
111 // The copy request should not be copied/duplicated.
112 EXPECT_EQ(1u, pass->copy_requests.size());
113 EXPECT_EQ(0u, copy->copy_requests.size());
115 EXPECT_EQ(sizeof(RenderPassSize), sizeof(RenderPass));
118 TEST(RenderPassTest, CopyAllShouldBeIdentical) {
119 RenderPassList pass_list;
121 RenderPassId id(3, 2);
122 gfx::Rect output_rect(45, 22, 120, 13);
123 gfx::Transform transform_to_root =
124 gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
125 gfx::Rect damage_rect(56, 123, 19, 43);
126 bool has_transparent_background = true;
128 scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
129 pass->SetAll(id,
130 output_rect,
131 damage_rect,
132 transform_to_root,
133 has_transparent_background);
135 // Two quads using one shared state.
136 SharedQuadState* shared_state1 = pass->CreateAndAppendSharedQuadState();
137 shared_state1->SetAll(gfx::Transform(),
138 gfx::Size(1, 1),
139 gfx::Rect(),
140 gfx::Rect(),
141 false,
143 SkXfermode::kSrcOver_Mode,
146 CheckerboardDrawQuad* checkerboard_quad1 =
147 pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
148 checkerboard_quad1->SetNew(pass->shared_quad_state_list.back(),
149 gfx::Rect(1, 1, 1, 1), gfx::Rect(1, 1, 1, 1),
150 SkColor(), 1.f);
152 CheckerboardDrawQuad* checkerboard_quad2 =
153 pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
154 checkerboard_quad2->SetNew(pass->shared_quad_state_list.back(),
155 gfx::Rect(2, 2, 2, 2), gfx::Rect(2, 2, 2, 2),
156 SkColor(), 1.f);
158 // And two quads using another shared state.
159 SharedQuadState* shared_state2 = pass->CreateAndAppendSharedQuadState();
160 shared_state2->SetAll(gfx::Transform(),
161 gfx::Size(2, 2),
162 gfx::Rect(),
163 gfx::Rect(),
164 false,
166 SkXfermode::kSrcOver_Mode,
169 CheckerboardDrawQuad* checkerboard_quad3 =
170 pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
171 checkerboard_quad3->SetNew(pass->shared_quad_state_list.back(),
172 gfx::Rect(3, 3, 3, 3), gfx::Rect(3, 3, 3, 3),
173 SkColor(), 1.f);
175 CheckerboardDrawQuad* checkerboard_quad4 =
176 pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
177 checkerboard_quad4->SetNew(pass->shared_quad_state_list.back(),
178 gfx::Rect(4, 4, 4, 4), gfx::Rect(4, 4, 4, 4),
179 SkColor(), 1.f);
181 // A second render pass with a quad.
182 RenderPassId contrib_id(4, 1);
183 gfx::Rect contrib_output_rect(10, 15, 12, 17);
184 gfx::Transform contrib_transform_to_root =
185 gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
186 gfx::Rect contrib_damage_rect(11, 16, 10, 15);
187 bool contrib_has_transparent_background = true;
189 scoped_ptr<TestRenderPass> contrib = TestRenderPass::Create();
190 contrib->SetAll(contrib_id,
191 contrib_output_rect,
192 contrib_damage_rect,
193 contrib_transform_to_root,
194 contrib_has_transparent_background);
196 SharedQuadState* contrib_shared_state =
197 contrib->CreateAndAppendSharedQuadState();
198 contrib_shared_state->SetAll(gfx::Transform(),
199 gfx::Size(2, 2),
200 gfx::Rect(),
201 gfx::Rect(),
202 false,
204 SkXfermode::kSrcOver_Mode,
207 CheckerboardDrawQuad* contrib_quad =
208 contrib->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
209 contrib_quad->SetNew(contrib->shared_quad_state_list.back(),
210 gfx::Rect(3, 3, 3, 3), gfx::Rect(3, 3, 3, 3), SkColor(),
211 1.f);
213 // And a RenderPassDrawQuad for the contributing pass.
214 scoped_ptr<RenderPassDrawQuad> pass_quad =
215 make_scoped_ptr(new RenderPassDrawQuad);
216 pass_quad->SetNew(pass->shared_quad_state_list.back(),
217 contrib_output_rect,
218 contrib_output_rect,
219 contrib_id,
221 gfx::Vector2dF(),
222 gfx::Size(),
223 FilterOperations(),
224 gfx::Vector2dF(),
225 FilterOperations());
227 pass_list.push_back(pass.Pass());
228 pass_list.push_back(contrib.Pass());
230 // Make a copy with CopyAll().
231 RenderPassList copy_list;
232 RenderPass::CopyAll(pass_list, &copy_list);
234 CompareRenderPassLists(pass_list, copy_list);
237 TEST(RenderPassTest, CopyAllWithCulledQuads) {
238 RenderPassList pass_list;
240 RenderPassId id(3, 2);
241 gfx::Rect output_rect(45, 22, 120, 13);
242 gfx::Transform transform_to_root =
243 gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
244 gfx::Rect damage_rect(56, 123, 19, 43);
245 bool has_transparent_background = true;
247 scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
248 pass->SetAll(id,
249 output_rect,
250 damage_rect,
251 transform_to_root,
252 has_transparent_background);
254 // A shared state with a quad.
255 SharedQuadState* shared_state1 = pass->CreateAndAppendSharedQuadState();
256 shared_state1->SetAll(gfx::Transform(),
257 gfx::Size(1, 1),
258 gfx::Rect(),
259 gfx::Rect(),
260 false,
262 SkXfermode::kSrcOver_Mode,
265 CheckerboardDrawQuad* checkerboard_quad1 =
266 pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
267 checkerboard_quad1->SetNew(pass->shared_quad_state_list.back(),
268 gfx::Rect(1, 1, 1, 1), gfx::Rect(1, 1, 1, 1),
269 SkColor(), 1.f);
271 // A shared state with no quads, they were culled.
272 SharedQuadState* shared_state2 = pass->CreateAndAppendSharedQuadState();
273 shared_state2->SetAll(gfx::Transform(),
274 gfx::Size(2, 2),
275 gfx::Rect(),
276 gfx::Rect(),
277 false,
279 SkXfermode::kSrcOver_Mode,
282 // A second shared state with no quads.
283 SharedQuadState* shared_state3 = pass->CreateAndAppendSharedQuadState();
284 shared_state3->SetAll(gfx::Transform(),
285 gfx::Size(2, 2),
286 gfx::Rect(),
287 gfx::Rect(),
288 false,
290 SkXfermode::kSrcOver_Mode,
293 // A last shared state with a quad again.
294 SharedQuadState* shared_state4 = pass->CreateAndAppendSharedQuadState();
295 shared_state4->SetAll(gfx::Transform(),
296 gfx::Size(2, 2),
297 gfx::Rect(),
298 gfx::Rect(),
299 false,
301 SkXfermode::kSrcOver_Mode,
304 CheckerboardDrawQuad* checkerboard_quad2 =
305 pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
306 checkerboard_quad2->SetNew(pass->shared_quad_state_list.back(),
307 gfx::Rect(3, 3, 3, 3), gfx::Rect(3, 3, 3, 3),
308 SkColor(), 1.f);
310 pass_list.push_back(pass.Pass());
312 // Make a copy with CopyAll().
313 RenderPassList copy_list;
314 RenderPass::CopyAll(pass_list, &copy_list);
316 CompareRenderPassLists(pass_list, copy_list);
319 } // namespace
320 } // namespace cc