Commit 34c4e1d6 authored by Scott LaVarnway's avatar Scott LaVarnway Committed by Gerrit Code Review

Merge "Delete ChangeFilterWorks test"

parents 0fe589f2 1ec0853d
......@@ -902,116 +902,6 @@ TEST_P(ConvolveTest, FilterExtremes) {
}
}
DECLARE_ALIGNED(256, const int16_t, kChangeFilters[16][8]) = {
{ 0, 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 128},
{ 0, 0, 0, 128},
{ 0, 0, 128},
{ 0, 128},
{ 128},
{ 0, 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 0, 128},
{ 0, 0, 0, 0, 128},
{ 0, 0, 0, 128},
{ 0, 0, 128},
{ 0, 128},
{ 128}
};
/* This test exercises the horizontal and vertical filter functions. */
TEST_P(ConvolveTest, ChangeFilterWorks) {
uint8_t* const in = input();
uint8_t* const out = output();
/* Assume that the first input sample is at the 8/16th position. */
const int kInitialSubPelOffset = 8;
/* Filters are 8-tap, so the first filter tap will be applied to the pixel
* at position -3 with respect to the current filtering position. Since
* kInitialSubPelOffset is set to 8, we first select sub-pixel filter 8,
* which is non-zero only in the last tap. So, applying the filter at the
* current input position will result in an output equal to the pixel at
* offset +4 (-3 + 7) with respect to the current filtering position.
*/
const int kPixelSelected = 4;
/* Assume that each output pixel requires us to step on by 17/16th pixels in
* the input.
*/
const int kInputPixelStep = 17;
/* The filters are setup in such a way that the expected output produces
* sets of 8 identical output samples. As the filter position moves to the
* next 1/16th pixel position the only active (=128) filter tap moves one
* position to the left, resulting in the same input pixel being replicated
* in to the output for 8 consecutive samples. After each set of 8 positions
* the filters select a different input pixel. kFilterPeriodAdjust below
* computes which input pixel is written to the output for a specified
* x or y position.
*/
/* Test the horizontal filter. */
ASM_REGISTER_STATE_CHECK(
UUT_->h8_(in, kInputStride, out, kOutputStride,
kChangeFilters[kInitialSubPelOffset],
kInputPixelStep, NULL, 0, Width(), Height()));
for (int x = 0; x < Width(); ++x) {
const int kFilterPeriodAdjust = (x >> 3) << 3;
const int ref_x =
kPixelSelected + ((kInitialSubPelOffset
+ kFilterPeriodAdjust * kInputPixelStep)
>> SUBPEL_BITS);
ASSERT_EQ(lookup(in, ref_x), lookup(out, x))
<< "x == " << x << "width = " << Width();
}
/* Test the vertical filter. */
ASM_REGISTER_STATE_CHECK(
UUT_->v8_(in, kInputStride, out, kOutputStride,
NULL, 0, kChangeFilters[kInitialSubPelOffset],
kInputPixelStep, Width(), Height()));
for (int y = 0; y < Height(); ++y) {
const int kFilterPeriodAdjust = (y >> 3) << 3;
const int ref_y =
kPixelSelected + ((kInitialSubPelOffset
+ kFilterPeriodAdjust * kInputPixelStep)
>> SUBPEL_BITS);
ASSERT_EQ(lookup(in, ref_y * kInputStride), lookup(out, y * kInputStride))
<< "y == " << y;
}
/* Test the horizontal and vertical filters in combination. */
ASM_REGISTER_STATE_CHECK(
UUT_->hv8_(in, kInputStride, out, kOutputStride,
kChangeFilters[kInitialSubPelOffset], kInputPixelStep,
kChangeFilters[kInitialSubPelOffset], kInputPixelStep,
Width(), Height()));
for (int y = 0; y < Height(); ++y) {
const int kFilterPeriodAdjustY = (y >> 3) << 3;
const int ref_y =
kPixelSelected + ((kInitialSubPelOffset
+ kFilterPeriodAdjustY * kInputPixelStep)
>> SUBPEL_BITS);
for (int x = 0; x < Width(); ++x) {
const int kFilterPeriodAdjustX = (x >> 3) << 3;
const int ref_x =
kPixelSelected + ((kInitialSubPelOffset
+ kFilterPeriodAdjustX * kInputPixelStep)
>> SUBPEL_BITS);
ASSERT_EQ(lookup(in, ref_y * kInputStride + ref_x),
lookup(out, y * kOutputStride + x))
<< "x == " << x << ", y == " << y;
}
}
}
/* This test exercises that enough rows and columns are filtered with every
possible initial fractional positions and scaling steps. */
TEST_P(ConvolveTest, CheckScalingFiltering) {
......
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