| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/output/shader.h" |
| |
| #include "cc/test/test_gles2_interface.h" |
| #include "cc/test/test_web_graphics_context_3d.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/geometry/point.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| namespace cc { |
| |
| TEST(ShaderTest, HighpThresholds) { |
| // The test context always uses a mediump precision of 10 bits which |
| // corresponds to a native highp threshold of 2^10 = 1024 |
| scoped_ptr<TestWebGraphicsContext3D> stub_context = |
| TestWebGraphicsContext3D::Create(); |
| TestGLES2Interface stub_gl(stub_context.get()); |
| |
| int threshold_cache = 0; |
| int threshold_min; |
| gfx::Point closePoint(512, 512); |
| gfx::Size smallSize(512, 512); |
| gfx::Point farPoint(2560, 2560); |
| gfx::Size bigSize(2560, 2560); |
| |
| threshold_min = 0; |
| EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
| TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| closePoint)); |
| EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
| TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| smallSize)); |
| EXPECT_EQ(TEX_COORD_PRECISION_HIGH, |
| TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| farPoint)); |
| EXPECT_EQ(TEX_COORD_PRECISION_HIGH, |
| TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| bigSize)); |
| |
| threshold_min = 3000; |
| EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
| TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| closePoint)); |
| EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
| TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| smallSize)); |
| EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
| TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| farPoint)); |
| EXPECT_EQ(TEX_COORD_PRECISION_MEDIUM, |
| TexCoordPrecisionRequired(&stub_gl, &threshold_cache, threshold_min, |
| bigSize)); |
| } |
| |
| } // namespace cc |