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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/output/shader.h" | 5 #include "cc/output/shader.h" |
6 | 6 |
7 #include "cc/test/test_gles2_interface.h" | 7 #include "cc/test/test_gles2_interface.h" |
8 #include "cc/test/test_web_graphics_context_3d.h" | 8 #include "cc/test/test_web_graphics_context_3d.h" |
9 #include "testing/gtest/include/gtest/gtest.h" | 9 #include "testing/gtest/include/gtest/gtest.h" |
10 #include "ui/gfx/geometry/point.h" | 10 #include "ui/gfx/geometry/point.h" |
11 #include "ui/gfx/geometry/size.h" | 11 #include "ui/gfx/geometry/size.h" |
12 | 12 |
13 namespace cc { | 13 namespace cc { |
14 | 14 |
15 TEST(ShaderTest, HighpThresholds) { | 15 TEST(ShaderTest, HighpThresholds) { |
16 // The test context always uses a mediump precision of 10 bits which | 16 // The test context always uses a mediump precision of 10 bits which |
17 // corresponds to a native highp threshold of 2^10 = 1024 | 17 // corresponds to a native highp threshold of 2^10 = 1024 |
18 scoped_ptr<TestWebGraphicsContext3D> stub_context = | 18 scoped_ptr<TestWebGraphicsContext3D> stub_context = |
19 TestWebGraphicsContext3D::Create(); | 19 TestWebGraphicsContext3D::Create(); |
20 TestGLES2Interface stub_gl(stub_context.get()); | 20 TestGLES2Interface stub_gl(stub_context.get()); |
21 | 21 |
22 int threshold_cache = 0; | 22 int threshold_cache = 0; |
23 int threshold_min; | 23 int threshold_min; |
24 gfx::Point closePoint(512, 512); | 24 gfx::Point closePoint(512, 512); |
25 gfx::Size smallSize(512, 512); | 25 gfx::Size smallSize(512, 512); |
26 gfx::Point farPoint(2560, 2560); | 26 gfx::Point farPoint(2560, 2560); |
27 gfx::Size bigSize(2560, 2560); | 27 gfx::Size bigSize(2560, 2560); |
28 | 28 |
29 threshold_min = 0; | 29 threshold_min = 0; |
30 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( | 30 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
31 &stub_gl, &threshold_cache, threshold_min, closePoint)); | 31 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
32 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( | 32 closePoint)); |
33 &stub_gl, &threshold_cache, threshold_min, smallSize)); | 33 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
34 EXPECT_EQ(TexCoordPrecisionHigh, TexCoordPrecisionRequired( | 34 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
35 &stub_gl, &threshold_cache, threshold_min, farPoint)); | 35 smallSize)); |
36 EXPECT_EQ(TexCoordPrecisionHigh, TexCoordPrecisionRequired( | 36 EXPECT_EQ(TEX_COORD_PRECISION_HIGH, |
37 &stub_gl, &threshold_cache, threshold_min, bigSize)); | 37 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| 38 farPoint)); |
| 39 EXPECT_EQ(TEX_COORD_PRECISION_HIGH, |
| 40 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| 41 bigSize)); |
38 | 42 |
39 threshold_min = 3000; | 43 threshold_min = 3000; |
40 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( | 44 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
41 &stub_gl, &threshold_cache, threshold_min, closePoint)); | 45 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
42 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( | 46 closePoint)); |
43 &stub_gl, &threshold_cache, threshold_min, smallSize)); | 47 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
44 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( | 48 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
45 &stub_gl, &threshold_cache, threshold_min, farPoint)); | 49 smallSize)); |
46 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( | 50 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
47 &stub_gl, &threshold_cache, threshold_min, bigSize)); | 51 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| 52 farPoint)); |
| 53 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
| 54 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| 55 bigSize)); |
48 } | 56 } |
49 | 57 |
50 } // namespace cc | 58 } // namespace cc |
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