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Issue 12614011: cc: Chromify RenderSurfaceFilters. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: .f Created 7 years, 9 months ago
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1 // Copyright 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "cc/render_surface_filters.h" 5 #include "cc/render_surface_filters.h"
6 6
7 #include "testing/gtest/include/gtest/gtest.h" 7 #include "testing/gtest/include/gtest/gtest.h"
8 #include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperation. h" 8 #include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperation. h"
9 #include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperations .h" 9 #include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperations .h"
10 10
11 using namespace WebKit; 11 using namespace WebKit;
12 12
13 namespace cc { 13 namespace cc {
14 namespace { 14 namespace {
15 15
16 // Checks whether op can be combined with a following color matrix. 16 // Checks whether op can be combined with a following color matrix.
17 bool isCombined(const WebFilterOperation& op) 17 bool isCombined(const WebFilterOperation& op)
18 { 18 {
19 WebFilterOperations filters; 19 WebFilterOperations filters;
20 filters.append(op); 20 filters.append(op);
21 filters.append(WebFilterOperation::createBrightnessFilter(0)); // brightness (0) is identity. 21 filters.append(WebFilterOperation::createBrightnessFilter(0)); // brightness (0) is identity.
22 WebFilterOperations optimized = RenderSurfaceFilters::optimize(filters); 22 WebFilterOperations optimized = RenderSurfaceFilters::Optimize(filters);
23 return optimized.size() == 1; 23 return optimized.size() == 1;
24 } 24 }
25 25
26 TEST(RenderSurfaceFiltersTest, testColorMatrixFiltersCombined) 26 TEST(RenderSurfaceFiltersTest, testColorMatrixFiltersCombined)
27 { 27 {
28 // Several filters should always combine for any amount between 0 and 1: 28 // Several filters should always combine for any amount between 0 and 1:
29 // grayscale, saturate, invert, contrast, opacity. 29 // grayscale, saturate, invert, contrast, opacity.
30 EXPECT_TRUE(isCombined(WebFilterOperation::createGrayscaleFilter(0))); 30 EXPECT_TRUE(isCombined(WebFilterOperation::createGrayscaleFilter(0)));
31 // Note that we use 0.3f to avoid "argument is truncated from 'double' to 31 // Note that we use 0.3f to avoid "argument is truncated from 'double' to
32 // 'float'" warnings on Windows. 0.5 is exactly representable as a float, so 32 // 'float'" warnings on Windows. 0.5 is exactly representable as a float, so
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107 }; 107 };
108 EXPECT_TRUE(isCombined(WebFilterOperation::createColorMatrixFilter(matrix4)) ); 108 EXPECT_TRUE(isCombined(WebFilterOperation::createColorMatrixFilter(matrix4)) );
109 } 109 }
110 110
111 TEST(RenderSurfaceFiltersTest, testOptimize) 111 TEST(RenderSurfaceFiltersTest, testOptimize)
112 { 112 {
113 WebFilterOperation combines(WebFilterOperation::createBrightnessFilter(1)); 113 WebFilterOperation combines(WebFilterOperation::createBrightnessFilter(1));
114 WebFilterOperation doesntCombine(WebFilterOperation::createBrightnessFilter( 1.5)); 114 WebFilterOperation doesntCombine(WebFilterOperation::createBrightnessFilter( 1.5));
115 115
116 WebFilterOperations filters; 116 WebFilterOperations filters;
117 WebFilterOperations optimized = RenderSurfaceFilters::optimize(filters); 117 WebFilterOperations optimized = RenderSurfaceFilters::Optimize(filters);
118 EXPECT_EQ(0u, optimized.size()); 118 EXPECT_EQ(0u, optimized.size());
119 119
120 filters.append(combines); 120 filters.append(combines);
121 optimized = RenderSurfaceFilters::optimize(filters); 121 optimized = RenderSurfaceFilters::Optimize(filters);
122 EXPECT_EQ(1u, optimized.size()); 122 EXPECT_EQ(1u, optimized.size());
123 123
124 filters.append(combines); 124 filters.append(combines);
125 optimized = RenderSurfaceFilters::optimize(filters); 125 optimized = RenderSurfaceFilters::Optimize(filters);
126 EXPECT_EQ(1u, optimized.size()); 126 EXPECT_EQ(1u, optimized.size());
127 127
128 filters.append(doesntCombine); 128 filters.append(doesntCombine);
129 optimized = RenderSurfaceFilters::optimize(filters); 129 optimized = RenderSurfaceFilters::Optimize(filters);
130 EXPECT_EQ(1u, optimized.size()); 130 EXPECT_EQ(1u, optimized.size());
131 131
132 filters.append(combines); 132 filters.append(combines);
133 optimized = RenderSurfaceFilters::optimize(filters); 133 optimized = RenderSurfaceFilters::Optimize(filters);
134 EXPECT_EQ(2u, optimized.size()); 134 EXPECT_EQ(2u, optimized.size());
135 135
136 filters.append(doesntCombine); 136 filters.append(doesntCombine);
137 optimized = RenderSurfaceFilters::optimize(filters); 137 optimized = RenderSurfaceFilters::Optimize(filters);
138 EXPECT_EQ(2u, optimized.size()); 138 EXPECT_EQ(2u, optimized.size());
139 139
140 filters.append(doesntCombine); 140 filters.append(doesntCombine);
141 optimized = RenderSurfaceFilters::optimize(filters); 141 optimized = RenderSurfaceFilters::Optimize(filters);
142 EXPECT_EQ(3u, optimized.size()); 142 EXPECT_EQ(3u, optimized.size());
143 } 143 }
144 144
145 } // namespace 145 } // namespace
146 } // namespace cc 146 } // namespace cc
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