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Generalize CheckScalingFiltering in ConvolveTest

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Let it test extreme inputs and all filter types.
In the future ConvolveTest should test regular 8-bit functions in
high bitdepth mode.

Change-Id: I1042564d1d390589ca203070fe332c6da3315d75
This commit is contained in:
Linfeng Zhang 2017-10-10 12:13:55 -07:00
parent 017257a317
commit 54f7d68c5c
1 changed files with 33 additions and 15 deletions
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48
test/convolve_test.cc
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@ -902,33 +902,51 @@ TEST_P(ConvolveTest, FilterExtremes) {
/* This test exercises that enough rows and columns are filtered with every
possible initial fractional positions and scaling steps. */
#if !CONFIG_VP9_HIGHBITDEPTH
static const ConvolveFunc scaled_2d_c_funcs[2] = { vpx_scaled_2d_c,
vpx_scaled_avg_2d_c };
TEST_P(ConvolveTest, CheckScalingFiltering) {
uint8_t *const in = input();
uint8_t *const out = output();
const InterpKernel *const eighttap = vp9_filter_kernels[EIGHTTAP];
uint8_t ref[kOutputStride * kMaxDimension];
SetConstantInput(127);
::libvpx_test::ACMRandom prng;
for (int y = 0; y < Height(); ++y) {
for (int x = 0; x < Width(); ++x) {
const uint16_t r = prng.Rand8Extremes();
assign_val(in, y * kInputStride + x, r);
}
}
for (int frac = 0; frac < 16; ++frac) {
for (int step = 1; step <= 32; ++step) {
/* Test the horizontal and vertical filters in combination. */
ASM_REGISTER_STATE_CHECK(
UUT_->shv8_[0](in, kInputStride, out, kOutputStride, eighttap, frac,
step, frac, step, Width(), Height()));
for (int i = 0; i < 2; ++i) {
for (INTERP_FILTER filter_type = 0; filter_type < 4; ++filter_type) {
const InterpKernel *const eighttap = vp9_filter_kernels[filter_type];
for (int frac = 0; frac < 16; ++frac) {
for (int step = 1; step <= 32; ++step) {
/* Test the horizontal and vertical filters in combination. */
scaled_2d_c_funcs[i](in, kInputStride, ref, kOutputStride, eighttap,
frac, step, frac, step, Width(), Height());
ASM_REGISTER_STATE_CHECK(
UUT_->shv8_[i](in, kInputStride, out, kOutputStride, eighttap,
frac, step, frac, step, Width(), Height()));
CheckGuardBlocks();
CheckGuardBlocks();
for (int y = 0; y < Height(); ++y) {
for (int x = 0; x < Width(); ++x) {
ASSERT_EQ(lookup(in, y * kInputStride + x),
lookup(out, y * kOutputStride + x))
<< "x == " << x << ", y == " << y << ", frac == " << frac
<< ", step == " << step;
for (int y = 0; y < Height(); ++y) {
for (int x = 0; x < Width(); ++x) {
ASSERT_EQ(lookup(ref, y * kOutputStride + x),
lookup(out, y * kOutputStride + x))
<< "x == " << x << ", y == " << y << ", frac == " << frac
<< ", step == " << step;
}
}
}
}
}
}
}
#endif
using std::tr1::make_tuple;