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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/service/surface_texture_gl_owner.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace gpu {
class SurfaceTextureTransformTest : public testing::Test {
public:
SurfaceTextureTransformTest() {}
~SurfaceTextureTransformTest() override {}
protected:
gfx::Size GetRotatedSize(gfx::Size size, bool rotated) {
if (rotated)
return gfx::Size(size.height(), size.width());
return size;
}
void DoTest(float matrix[16],
gfx::Size rotated_visible_size,
gfx::Size expected_coded_size,
bool rotated) {
gfx::Size coded_size;
gfx::Rect visible_rect;
ASSERT_TRUE(SurfaceTextureGLOwner::DecomposeTransform(
matrix, rotated_visible_size, &coded_size, &visible_rect));
EXPECT_EQ(coded_size, expected_coded_size);
EXPECT_EQ(visible_rect.origin(), gfx::Point(0, 0));
EXPECT_EQ(visible_rect.size(),
GetRotatedSize(rotated_visible_size, rotated));
}
};
TEST_F(SurfaceTextureTransformTest, Rotation0) {
float matrix[16] = {1.000000, 0.000000, 0.000000, 0.000000,
0.000000, -0.990809, 0.000000, 0.000000,
0.000000, 0.000000, 1.000000, 0.000000,
0.000000, 0.991728, 0.000000, 1.000000};
gfx::Size coded_size(1920, 1088); // Has padding
gfx::Size rotated_visible_size(1920, 1080);
DoTest(matrix, rotated_visible_size, coded_size, false);
}
TEST_F(SurfaceTextureTransformTest, Rotation90) {
float matrix[16] = {0.000000, -0.990809, 0.000000, 0.000000,
-1.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 1.000000, 0.000000,
1.000000, 0.991728, 0.000000, 1.000000};
gfx::Size coded_size(1920, 1088); // Has padding
gfx::Size rotated_visible_size(1080, 1920);
DoTest(matrix, rotated_visible_size, coded_size, true);
}
TEST_F(SurfaceTextureTransformTest, Rotation180) {
float matrix[16] = {-1.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.990809, 0.000000, 0.000000,
0.000000, 0.000000, 1.000000, 0.000000,
1.000000, 0.000919, 0.000000, 1.000000};
gfx::Size coded_size(1920, 1088); // Has padding
gfx::Size rotated_visible_size(1920, 1080);
DoTest(matrix, rotated_visible_size, coded_size, false);
}
TEST_F(SurfaceTextureTransformTest, Rotation270) {
float matrix[16] = {0.000000, 0.990809, 0.000000, 0.000000,
1.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 1.000000, 0.000000,
0.000000, 0.000919, 0.000000, 1.000000};
gfx::Size coded_size(1920, 1088); // Has padding
gfx::Size rotated_visible_size(1080, 1920);
DoTest(matrix, rotated_visible_size, coded_size, true);
}
TEST_F(SurfaceTextureTransformTest, SmallSize) {
float matrix[16] = {0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000};
// With video size less then 4x4 matrix might not make sense because of
// shrinking crop rect by pixel from each side. It's important to not crash in
// that case.
gfx::Size landscape_size(4, 2);
gfx::Size portrait_size(2, 4);
// We assume coded size is the same as video size in this case.
DoTest(matrix, landscape_size, landscape_size, false);
DoTest(matrix, portrait_size, portrait_size, false);
}
// This tests case where matrix was created with |shrink_amount|=0, e.g no
// linear filtering.
TEST_F(SurfaceTextureTransformTest, NoShrink) {
float matrix[16] = {0.986111, 0.000000, 0.000000, 0.000000,
0.000000, -1.000000, 0.000000, 0.000000,
0.000000, 0.000000, 1.000000, 0.000000,
0.000000, 1.000000, 0.000000, 1.000000};
gfx::Size coded_size(432, 240);
gfx::Size rotated_visible_size(426, 240);
DoTest(matrix, rotated_visible_size, coded_size, false);
}
// This tests case where |shrink_amount|=0.5, e.g rgb codec size.
TEST_F(SurfaceTextureTransformTest, Shrink_05) {
float matrix[16] = {0.986111, 0.000000, 0.000000, 0.000000,
0.000000, -1.000000, 0.000000, 0.000000,
0.000000, 0.000000, 1.000000, 0.000000,
0.001157, 1.000000, 0.000000, 1.000000};
gfx::Size coded_size(432, 240);
gfx::Size rotated_visible_size(427, 240);
DoTest(matrix, rotated_visible_size, coded_size, false);
}
} // namespace gpu
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