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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "./vpx_config.h"
#include "./vp8_rtcd.h"
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/buffer.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "vpx/vpx_integer.h"
typedef void (*IdctFunc)(int16_t *input, unsigned char *pred_ptr,
int pred_stride, unsigned char *dst_ptr,
int dst_stride);
namespace {
using libvpx_test::Buffer;
class IDCTTest : public ::testing::TestWithParam<IdctFunc> {
protected:
virtual void SetUp() {
UUT = GetParam();
input = new Buffer<int16_t>(4, 4, 0);
ASSERT_TRUE(input != NULL);
ASSERT_TRUE(input->Init());
predict = new Buffer<uint8_t>(4, 4, 3);
ASSERT_TRUE(predict != NULL);
ASSERT_TRUE(predict->Init());
output = new Buffer<uint8_t>(4, 4, 3);
ASSERT_TRUE(output != NULL);
ASSERT_TRUE(output->Init());
}
virtual void TearDown() {
delete input;
delete predict;
delete output;
libvpx_test::ClearSystemState();
}
IdctFunc UUT;
Buffer<int16_t> *input;
Buffer<uint8_t> *predict;
Buffer<uint8_t> *output;
};
TEST_P(IDCTTest, TestAllZeros) {
// When the input is '0' the output will be '0'.
input->Set(0);
predict->Set(0);
output->Set(0);
ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
predict->stride(), output->TopLeftPixel(),
output->stride()));
ASSERT_TRUE(input->CheckValues(0));
ASSERT_TRUE(input->CheckPadding());
ASSERT_TRUE(output->CheckValues(0));
ASSERT_TRUE(output->CheckPadding());
}
TEST_P(IDCTTest, TestAllOnes) {
input->Set(0);
ASSERT_TRUE(input->TopLeftPixel() != NULL);
// When the first element is '4' it will fill the output buffer with '1'.
input->TopLeftPixel()[0] = 4;
predict->Set(0);
output->Set(0);
ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
predict->stride(), output->TopLeftPixel(),
output->stride()));
ASSERT_TRUE(output->CheckValues(1));
ASSERT_TRUE(output->CheckPadding());
}
TEST_P(IDCTTest, TestAddOne) {
// Set the transform output to '1' and make sure it gets added to the
// prediction buffer.
input->Set(0);
ASSERT_TRUE(input->TopLeftPixel() != NULL);
input->TopLeftPixel()[0] = 4;
output->Set(0);
uint8_t *pred = predict->TopLeftPixel();
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
pred[y * predict->stride() + x] = y * 4 + x;
}
}
ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
predict->stride(), output->TopLeftPixel(),
output->stride()));
uint8_t const *out = output->TopLeftPixel();
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
EXPECT_EQ(1 + y * 4 + x, out[y * output->stride() + x]);
}
}
if (HasFailure()) {
output->DumpBuffer();
}
ASSERT_TRUE(output->CheckPadding());
}
TEST_P(IDCTTest, TestWithData) {
// Test a single known input.
predict->Set(0);
int16_t *in = input->TopLeftPixel();
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
in[y * input->stride() + x] = y * 4 + x;
}
}
ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
predict->stride(), output->TopLeftPixel(),
output->stride()));
uint8_t *out = output->TopLeftPixel();
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
switch (y * 4 + x) {
case 0: EXPECT_EQ(11, out[y * output->stride() + x]); break;
case 2:
case 5:
case 8: EXPECT_EQ(3, out[y * output->stride() + x]); break;
case 10: EXPECT_EQ(1, out[y * output->stride() + x]); break;
default: EXPECT_EQ(0, out[y * output->stride() + x]);
}
}
}
if (HasFailure()) {
output->DumpBuffer();
}
ASSERT_TRUE(output->CheckPadding());
}
INSTANTIATE_TEST_SUITE_P(C, IDCTTest,
::testing::Values(vp8_short_idct4x4llm_c));
#if HAVE_NEON
INSTANTIATE_TEST_SUITE_P(NEON, IDCTTest,
::testing::Values(vp8_short_idct4x4llm_neon));
#endif // HAVE_NEON
#if HAVE_MMX
INSTANTIATE_TEST_SUITE_P(MMX, IDCTTest,
::testing::Values(vp8_short_idct4x4llm_mmx));
#endif // HAVE_MMX
#if HAVE_MSA
INSTANTIATE_TEST_SUITE_P(MSA, IDCTTest,
::testing::Values(vp8_short_idct4x4llm_msa));
#endif // HAVE_MSA
#if HAVE_MMI
INSTANTIATE_TEST_SUITE_P(MMI, IDCTTest,
::testing::Values(vp8_short_idct4x4llm_mmi));
#endif // HAVE_MMI
} // namespace
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