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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(TEX_COORD_PRECISION_MEDIUM, | 30 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( |
31 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | 31 &stub_gl, &threshold_cache, threshold_min, closePoint)); |
32 closePoint)); | 32 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( |
33 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, | 33 &stub_gl, &threshold_cache, threshold_min, smallSize)); |
34 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | 34 EXPECT_EQ(TexCoordPrecisionHigh, TexCoordPrecisionRequired( |
35 smallSize)); | 35 &stub_gl, &threshold_cache, threshold_min, farPoint)); |
36 EXPECT_EQ(TEX_COORD_PRECISION_HIGH, | 36 EXPECT_EQ(TexCoordPrecisionHigh, TexCoordPrecisionRequired( |
37 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | 37 &stub_gl, &threshold_cache, threshold_min, bigSize)); |
38 farPoint)); | |
39 EXPECT_EQ(TEX_COORD_PRECISION_HIGH, | |
40 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | |
41 bigSize)); | |
42 | 38 |
43 threshold_min = 3000; | 39 threshold_min = 3000; |
44 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, | 40 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( |
45 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | 41 &stub_gl, &threshold_cache, threshold_min, closePoint)); |
46 closePoint)); | 42 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( |
47 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, | 43 &stub_gl, &threshold_cache, threshold_min, smallSize)); |
48 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | 44 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( |
49 smallSize)); | 45 &stub_gl, &threshold_cache, threshold_min, farPoint)); |
50 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, | 46 EXPECT_EQ(TexCoordPrecisionMedium, TexCoordPrecisionRequired( |
51 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | 47 &stub_gl, &threshold_cache, threshold_min, bigSize)); |
52 farPoint)); | |
53 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, | |
54 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | |
55 bigSize)); | |
56 } | 48 } |
57 | 49 |
58 } // namespace cc | 50 } // namespace cc |
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