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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "cc/output/shader.h" | |
| 6 | |
| 7 #include "cc/test/test_gles2_interface.h" | |
| 8 #include "cc/test/test_web_graphics_context_3d.h" | |
| 9 #include "testing/gtest/include/gtest/gtest.h" | |
| 10 #include "ui/gfx/geometry/point.h" | |
| 11 #include "ui/gfx/geometry/size.h" | |
| 12 | |
| 13 namespace cc { | |
| 14 | |
| 15 TEST(ShaderTest, HighpThresholds) { | |
| 16 // The test context always uses a mediump precision of 10 bits which | |
| 17 // corresponds to a native highp threshold of 2^10 = 1024 | |
| 18 scoped_ptr<TestWebGraphicsContext3D> stub_context = | |
| 19 TestWebGraphicsContext3D::Create(); | |
| 20 TestGLES2Interface stub_gl(stub_context.get()); | |
| 21 | |
| 22 int threshold_cache = 0; | |
| 23 int threshold_min; | |
| 24 gfx::Point closePoint(512, 512); | |
| 25 gfx::Size smallSize(512, 512); | |
| 26 gfx::Point farPoint(2560, 2560); | |
| 27 gfx::Size bigSize(2560, 2560); | |
| 28 | |
| 29 threshold_min = 0; | |
| 30 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, | |
| 31 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | |
| 32 closePoint)); | |
| 33 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, | |
| 34 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | |
| 35 smallSize)); | |
| 36 EXPECT_EQ(TEX_COORD_PRECISION_HIGH, | |
| 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)); | |
| 42 | |
| 43 threshold_min = 3000; | |
| 44 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, | |
| 45 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | |
| 46 closePoint)); | |
| 47 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, | |
| 48 TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, | |
| 49 smallSize)); | |
| 50 EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, | |
| 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)); | |
| 56 } | |
| 57 | |
| 58 } // namespace cc | |
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