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libyuv/unit_test/planar_test.cc
fbarchard@google.com dd3b137f5d ARGBBlend unaligned unittest 
BUG=160
TEST=libyuvTest.ARGBBlend_Unaligned
Review URL: https://webrtc-codereview.appspot.com/935019

git-svn-id: http://libyuv.googlecode.com/svn/trunk@498 16f28f9a-4ce2-e073-06de-1de4eb20be90
2012-11-20 19:30:04 +00:00

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/*
* Copyright 2011 The LibYuv 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 <stdlib.h>
#include <time.h>
#include "libyuv/compare.h"
#include "libyuv/convert.h"
#include "libyuv/convert_argb.h"
#include "libyuv/convert_from.h"
#include "libyuv/convert_from_argb.h"
#include "libyuv/cpu_id.h"
#include "libyuv/format_conversion.h"
#include "libyuv/planar_functions.h"
#include "libyuv/rotate.h"
#include "../unit_test/unit_test.h"
#if defined(_MSC_VER)
#define SIMD_ALIGNED(var) __declspec(align(16)) var
#else // __GNUC__
#define SIMD_ALIGNED(var) var __attribute__((aligned(16)))
#endif
namespace libyuv {
TEST_F(libyuvTest, TestAttenuate) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);
SIMD_ALIGNED(uint8 atten_pixels[256][4]);
SIMD_ALIGNED(uint8 unatten_pixels[256][4]);
SIMD_ALIGNED(uint8 atten2_pixels[256][4]);
// Test unattenuation clamps
orig_pixels[0][0] = 200u;
orig_pixels[0][1] = 129u;
orig_pixels[0][2] = 127u;
orig_pixels[0][3] = 128u;
// Test unattenuation transparent and opaque are unaffected
orig_pixels[1][0] = 16u;
orig_pixels[1][1] = 64u;
orig_pixels[1][2] = 192u;
orig_pixels[1][3] = 0u;
orig_pixels[2][0] = 16u;
orig_pixels[2][1] = 64u;
orig_pixels[2][2] = 192u;
orig_pixels[2][3] = 255u;
orig_pixels[3][0] = 16u;
orig_pixels[3][1] = 64u;
orig_pixels[3][2] = 192u;
orig_pixels[3][3] = 128u;
ARGBUnattenuate(&orig_pixels[0][0], 0, &unatten_pixels[0][0], 0, 4, 1);
EXPECT_EQ(255u, unatten_pixels[0][0]);
EXPECT_EQ(255u, unatten_pixels[0][1]);
EXPECT_EQ(254u, unatten_pixels[0][2]);
EXPECT_EQ(128u, unatten_pixels[0][3]);
EXPECT_EQ(16u, unatten_pixels[1][0]);
EXPECT_EQ(64u, unatten_pixels[1][1]);
EXPECT_EQ(192u, unatten_pixels[1][2]);
EXPECT_EQ(0u, unatten_pixels[1][3]);
EXPECT_EQ(16u, unatten_pixels[2][0]);
EXPECT_EQ(64u, unatten_pixels[2][1]);
EXPECT_EQ(192u, unatten_pixels[2][2]);
EXPECT_EQ(255u, unatten_pixels[2][3]);
EXPECT_EQ(32u, unatten_pixels[3][0]);
EXPECT_EQ(128u, unatten_pixels[3][1]);
EXPECT_EQ(255u, unatten_pixels[3][2]);
EXPECT_EQ(128u, unatten_pixels[3][3]);
for (int i = 0; i < 256; ++i) {
orig_pixels[i][0] = i;
orig_pixels[i][1] = i / 2;
orig_pixels[i][2] = i / 3;
orig_pixels[i][3] = i;
}
ARGBAttenuate(&orig_pixels[0][0], 0, &atten_pixels[0][0], 0, 256, 1);
ARGBUnattenuate(&atten_pixels[0][0], 0, &unatten_pixels[0][0], 0, 256, 1);
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBAttenuate(&unatten_pixels[0][0], 0, &atten2_pixels[0][0], 0, 256, 1);
}
for (int i = 0; i < 256; ++i) {
EXPECT_NEAR(atten_pixels[i][0], atten2_pixels[i][0], 2);
EXPECT_NEAR(atten_pixels[i][1], atten2_pixels[i][1], 2);
EXPECT_NEAR(atten_pixels[i][2], atten2_pixels[i][2], 2);
EXPECT_NEAR(atten_pixels[i][3], atten2_pixels[i][3], 2);
}
// Make sure transparent, 50% and opaque are fully accurate.
EXPECT_EQ(0, atten_pixels[0][0]);
EXPECT_EQ(0, atten_pixels[0][1]);
EXPECT_EQ(0, atten_pixels[0][2]);
EXPECT_EQ(0, atten_pixels[0][3]);
EXPECT_EQ(64, atten_pixels[128][0]);
EXPECT_EQ(32, atten_pixels[128][1]);
EXPECT_EQ(21, atten_pixels[128][2]);
EXPECT_EQ(128, atten_pixels[128][3]);
EXPECT_EQ(255, atten_pixels[255][0]);
EXPECT_EQ(127, atten_pixels[255][1]);
EXPECT_EQ(85, atten_pixels[255][2]);
EXPECT_EQ(255, atten_pixels[255][3]);
}
TEST_F(libyuvTest, TestARGBComputeCumulativeSum) {
SIMD_ALIGNED(uint8 orig_pixels[16][16][4]);
SIMD_ALIGNED(int32 added_pixels[16][16][4]);
for (int y = 0; y < 16; ++y) {
for (int x = 0; x < 16; ++x) {
orig_pixels[y][x][0] = 1u;
orig_pixels[y][x][1] = 2u;
orig_pixels[y][x][2] = 3u;
orig_pixels[y][x][3] = 255u;
}
}
ARGBComputeCumulativeSum(&orig_pixels[0][0][0], 16 * 4,
&added_pixels[0][0][0], 16 * 4,
16, 16);
for (int y = 0; y < 16; ++y) {
for (int x = 0; x < 16; ++x) {
EXPECT_EQ((x + 1) * (y + 1), added_pixels[y][x][0]);
EXPECT_EQ((x + 1) * (y + 1) * 2, added_pixels[y][x][1]);
EXPECT_EQ((x + 1) * (y + 1) * 3, added_pixels[y][x][2]);
EXPECT_EQ((x + 1) * (y + 1) * 255, added_pixels[y][x][3]);
}
}
}
TEST_F(libyuvTest, TestARGBGray) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);
// Test blue
orig_pixels[0][0] = 255u;
orig_pixels[0][1] = 0u;
orig_pixels[0][2] = 0u;
orig_pixels[0][3] = 128u;
// Test green
orig_pixels[1][0] = 0u;
orig_pixels[1][1] = 255u;
orig_pixels[1][2] = 0u;
orig_pixels[1][3] = 0u;
// Test red
orig_pixels[2][0] = 0u;
orig_pixels[2][1] = 0u;
orig_pixels[2][2] = 255u;
orig_pixels[2][3] = 255u;
// Test color
orig_pixels[3][0] = 16u;
orig_pixels[3][1] = 64u;
orig_pixels[3][2] = 192u;
orig_pixels[3][3] = 224u;
// Do 16 to test asm version.
ARGBGray(&orig_pixels[0][0], 0, 0, 0, 16, 1);
EXPECT_EQ(27u, orig_pixels[0][0]);
EXPECT_EQ(27u, orig_pixels[0][1]);
EXPECT_EQ(27u, orig_pixels[0][2]);
EXPECT_EQ(128u, orig_pixels[0][3]);
EXPECT_EQ(151u, orig_pixels[1][0]);
EXPECT_EQ(151u, orig_pixels[1][1]);
EXPECT_EQ(151u, orig_pixels[1][2]);
EXPECT_EQ(0u, orig_pixels[1][3]);
EXPECT_EQ(75u, orig_pixels[2][0]);
EXPECT_EQ(75u, orig_pixels[2][1]);
EXPECT_EQ(75u, orig_pixels[2][2]);
EXPECT_EQ(255u, orig_pixels[2][3]);
EXPECT_EQ(96u, orig_pixels[3][0]);
EXPECT_EQ(96u, orig_pixels[3][1]);
EXPECT_EQ(96u, orig_pixels[3][2]);
EXPECT_EQ(224u, orig_pixels[3][3]);
for (int i = 0; i < 256; ++i) {
orig_pixels[i][0] = i;
orig_pixels[i][1] = i / 2;
orig_pixels[i][2] = i / 3;
orig_pixels[i][3] = i;
}
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBGray(&orig_pixels[0][0], 0, 0, 0, 256, 1);
}
}
TEST_F(libyuvTest, TestARGBGrayTo) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);
SIMD_ALIGNED(uint8 gray_pixels[256][4]);
// Test blue
orig_pixels[0][0] = 255u;
orig_pixels[0][1] = 0u;
orig_pixels[0][2] = 0u;
orig_pixels[0][3] = 128u;
// Test green
orig_pixels[1][0] = 0u;
orig_pixels[1][1] = 255u;
orig_pixels[1][2] = 0u;
orig_pixels[1][3] = 0u;
// Test red
orig_pixels[2][0] = 0u;
orig_pixels[2][1] = 0u;
orig_pixels[2][2] = 255u;
orig_pixels[2][3] = 255u;
// Test color
orig_pixels[3][0] = 16u;
orig_pixels[3][1] = 64u;
orig_pixels[3][2] = 192u;
orig_pixels[3][3] = 224u;
// Do 16 to test asm version.
ARGBGrayTo(&orig_pixels[0][0], 0, &gray_pixels[0][0], 0, 16, 1);
EXPECT_EQ(27u, gray_pixels[0][0]);
EXPECT_EQ(27u, gray_pixels[0][1]);
EXPECT_EQ(27u, gray_pixels[0][2]);
EXPECT_EQ(128u, gray_pixels[0][3]);
EXPECT_EQ(151u, gray_pixels[1][0]);
EXPECT_EQ(151u, gray_pixels[1][1]);
EXPECT_EQ(151u, gray_pixels[1][2]);
EXPECT_EQ(0u, gray_pixels[1][3]);
EXPECT_EQ(75u, gray_pixels[2][0]);
EXPECT_EQ(75u, gray_pixels[2][1]);
EXPECT_EQ(75u, gray_pixels[2][2]);
EXPECT_EQ(255u, gray_pixels[2][3]);
EXPECT_EQ(96u, gray_pixels[3][0]);
EXPECT_EQ(96u, gray_pixels[3][1]);
EXPECT_EQ(96u, gray_pixels[3][2]);
EXPECT_EQ(224u, gray_pixels[3][3]);
for (int i = 0; i < 256; ++i) {
orig_pixels[i][0] = i;
orig_pixels[i][1] = i / 2;
orig_pixels[i][2] = i / 3;
orig_pixels[i][3] = i;
}
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBGrayTo(&orig_pixels[0][0], 0, &gray_pixels[0][0], 0, 256, 1);
}
}
TEST_F(libyuvTest, TestARGBSepia) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);
// Test blue
orig_pixels[0][0] = 255u;
orig_pixels[0][1] = 0u;
orig_pixels[0][2] = 0u;
orig_pixels[0][3] = 128u;
// Test green
orig_pixels[1][0] = 0u;
orig_pixels[1][1] = 255u;
orig_pixels[1][2] = 0u;
orig_pixels[1][3] = 0u;
// Test red
orig_pixels[2][0] = 0u;
orig_pixels[2][1] = 0u;
orig_pixels[2][2] = 255u;
orig_pixels[2][3] = 255u;
// Test color
orig_pixels[3][0] = 16u;
orig_pixels[3][1] = 64u;
orig_pixels[3][2] = 192u;
orig_pixels[3][3] = 224u;
// Do 16 to test asm version.
ARGBSepia(&orig_pixels[0][0], 0, 0, 0, 16, 1);
EXPECT_EQ(33u, orig_pixels[0][0]);
EXPECT_EQ(43u, orig_pixels[0][1]);
EXPECT_EQ(47u, orig_pixels[0][2]);
EXPECT_EQ(128u, orig_pixels[0][3]);
EXPECT_EQ(135u, orig_pixels[1][0]);
EXPECT_EQ(175u, orig_pixels[1][1]);
EXPECT_EQ(195u, orig_pixels[1][2]);
EXPECT_EQ(0u, orig_pixels[1][3]);
EXPECT_EQ(69u, orig_pixels[2][0]);
EXPECT_EQ(89u, orig_pixels[2][1]);
EXPECT_EQ(99u, orig_pixels[2][2]);
EXPECT_EQ(255u, orig_pixels[2][3]);
EXPECT_EQ(88u, orig_pixels[3][0]);
EXPECT_EQ(114u, orig_pixels[3][1]);
EXPECT_EQ(127u, orig_pixels[3][2]);
EXPECT_EQ(224u, orig_pixels[3][3]);
for (int i = 0; i < 256; ++i) {
orig_pixels[i][0] = i;
orig_pixels[i][1] = i / 2;
orig_pixels[i][2] = i / 3;
orig_pixels[i][3] = i;
}
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBSepia(&orig_pixels[0][0], 0, 0, 0, 256, 1);
}
}
TEST_F(libyuvTest, TestARGBColorMatrix) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);
// Matrix for Sepia.
static const int8 kARGBToSepia[] = {
17, 68, 35, 0,
22, 88, 45, 0,
24, 98, 50, 0,
};
// Test blue
orig_pixels[0][0] = 255u;
orig_pixels[0][1] = 0u;
orig_pixels[0][2] = 0u;
orig_pixels[0][3] = 128u;
// Test green
orig_pixels[1][0] = 0u;
orig_pixels[1][1] = 255u;
orig_pixels[1][2] = 0u;
orig_pixels[1][3] = 0u;
// Test red
orig_pixels[2][0] = 0u;
orig_pixels[2][1] = 0u;
orig_pixels[2][2] = 255u;
orig_pixels[2][3] = 255u;
// Test color
orig_pixels[3][0] = 16u;
orig_pixels[3][1] = 64u;
orig_pixels[3][2] = 192u;
orig_pixels[3][3] = 224u;
// Do 16 to test asm version.
ARGBColorMatrix(&orig_pixels[0][0], 0, &kARGBToSepia[0], 0, 0, 16, 1);
EXPECT_EQ(33u, orig_pixels[0][0]);
EXPECT_EQ(43u, orig_pixels[0][1]);
EXPECT_EQ(47u, orig_pixels[0][2]);
EXPECT_EQ(128u, orig_pixels[0][3]);
EXPECT_EQ(135u, orig_pixels[1][0]);
EXPECT_EQ(175u, orig_pixels[1][1]);
EXPECT_EQ(195u, orig_pixels[1][2]);
EXPECT_EQ(0u, orig_pixels[1][3]);
EXPECT_EQ(69u, orig_pixels[2][0]);
EXPECT_EQ(89u, orig_pixels[2][1]);
EXPECT_EQ(99u, orig_pixels[2][2]);
EXPECT_EQ(255u, orig_pixels[2][3]);
EXPECT_EQ(88u, orig_pixels[3][0]);
EXPECT_EQ(114u, orig_pixels[3][1]);
EXPECT_EQ(127u, orig_pixels[3][2]);
EXPECT_EQ(224u, orig_pixels[3][3]);
for (int i = 0; i < 256; ++i) {
orig_pixels[i][0] = i;
orig_pixels[i][1] = i / 2;
orig_pixels[i][2] = i / 3;
orig_pixels[i][3] = i;
}
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBColorMatrix(&orig_pixels[0][0], 0, &kARGBToSepia[0], 0, 0, 256, 1);
}
}
TEST_F(libyuvTest, TestARGBColorTable) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);
memset(orig_pixels, 0, sizeof(orig_pixels));
// Matrix for Sepia.
static const uint8 kARGBTable[256 * 4] = {
1u, 2u, 3u, 4u,
5u, 6u, 7u, 8u,
9u, 10u, 11u, 12u,
13u, 14u, 15u, 16u,
};
orig_pixels[0][0] = 0u;
orig_pixels[0][1] = 0u;
orig_pixels[0][2] = 0u;
orig_pixels[0][3] = 0u;
orig_pixels[1][0] = 1u;
orig_pixels[1][1] = 1u;
orig_pixels[1][2] = 1u;
orig_pixels[1][3] = 1u;
orig_pixels[2][0] = 2u;
orig_pixels[2][1] = 2u;
orig_pixels[2][2] = 2u;
orig_pixels[2][3] = 2u;
orig_pixels[3][0] = 0u;
orig_pixels[3][1] = 1u;
orig_pixels[3][2] = 2u;
orig_pixels[3][3] = 3u;
// Do 16 to test asm version.
ARGBColorTable(&orig_pixels[0][0], 0, &kARGBTable[0], 0, 0, 16, 1);
EXPECT_EQ(1u, orig_pixels[0][0]);
EXPECT_EQ(2u, orig_pixels[0][1]);
EXPECT_EQ(3u, orig_pixels[0][2]);
EXPECT_EQ(4u, orig_pixels[0][3]);
EXPECT_EQ(5u, orig_pixels[1][0]);
EXPECT_EQ(6u, orig_pixels[1][1]);
EXPECT_EQ(7u, orig_pixels[1][2]);
EXPECT_EQ(8u, orig_pixels[1][3]);
EXPECT_EQ(9u, orig_pixels[2][0]);
EXPECT_EQ(10u, orig_pixels[2][1]);
EXPECT_EQ(11u, orig_pixels[2][2]);
EXPECT_EQ(12u, orig_pixels[2][3]);
EXPECT_EQ(1u, orig_pixels[3][0]);
EXPECT_EQ(6u, orig_pixels[3][1]);
EXPECT_EQ(11u, orig_pixels[3][2]);
EXPECT_EQ(16u, orig_pixels[3][3]);
for (int i = 0; i < 256; ++i) {
orig_pixels[i][0] = i;
orig_pixels[i][1] = i / 2;
orig_pixels[i][2] = i / 3;
orig_pixels[i][3] = i;
}
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBColorTable(&orig_pixels[0][0], 0, &kARGBTable[0], 0, 0, 256, 1);
}
}
TEST_F(libyuvTest, TestARGBQuantize) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);
for (int i = 0; i < 256; ++i) {
orig_pixels[i][0] = i;
orig_pixels[i][1] = i / 2;
orig_pixels[i][2] = i / 3;
orig_pixels[i][3] = i;
}
ARGBQuantize(&orig_pixels[0][0], 0,
(65536 + (8 / 2)) / 8, 8, 8 / 2, 0, 0, 256, 1);
for (int i = 0; i < 256; ++i) {
EXPECT_EQ(i / 8 * 8 + 8 / 2, orig_pixels[i][0]);
EXPECT_EQ(i / 2 / 8 * 8 + 8 / 2, orig_pixels[i][1]);
EXPECT_EQ(i / 3 / 8 * 8 + 8 / 2, orig_pixels[i][2]);
EXPECT_EQ(i, orig_pixels[i][3]);
}
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBQuantize(&orig_pixels[0][0], 0,
(65536 + (8 / 2)) / 8, 8, 8 / 2, 0, 0, 256, 1);
}
}
TEST_F(libyuvTest, TestARGBMirror) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);
SIMD_ALIGNED(uint8 dst_pixels[256][4]);
for (int i = 0; i < 256; ++i) {
orig_pixels[i][0] = i;
orig_pixels[i][1] = i / 2;
orig_pixels[i][2] = i / 3;
orig_pixels[i][3] = i / 4;
}
ARGBMirror(&orig_pixels[0][0], 0, &dst_pixels[0][0], 0, 256, 1);
for (int i = 0; i < 256; ++i) {
EXPECT_EQ(i, dst_pixels[255 - i][0]);
EXPECT_EQ(i / 2, dst_pixels[255 - i][1]);
EXPECT_EQ(i / 3, dst_pixels[255 - i][2]);
EXPECT_EQ(i / 4, dst_pixels[255 - i][3]);
}
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBMirror(&orig_pixels[0][0], 0, &dst_pixels[0][0], 0, 256, 1);
}
}
TEST_F(libyuvTest, TestShade) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);
SIMD_ALIGNED(uint8 shade_pixels[256][4]);
orig_pixels[0][0] = 10u;
orig_pixels[0][1] = 20u;
orig_pixels[0][2] = 40u;
orig_pixels[0][3] = 80u;
orig_pixels[1][0] = 0u;
orig_pixels[1][1] = 0u;
orig_pixels[1][2] = 0u;
orig_pixels[1][3] = 255u;
orig_pixels[2][0] = 0u;
orig_pixels[2][1] = 0u;
orig_pixels[2][2] = 0u;
orig_pixels[2][3] = 0u;
orig_pixels[3][0] = 0u;
orig_pixels[3][1] = 0u;
orig_pixels[3][2] = 0u;
orig_pixels[3][3] = 0u;
ARGBShade(&orig_pixels[0][0], 0, &shade_pixels[0][0], 0, 4, 1, 0x80ffffff);
EXPECT_EQ(10u, shade_pixels[0][0]);
EXPECT_EQ(20u, shade_pixels[0][1]);
EXPECT_EQ(40u, shade_pixels[0][2]);
EXPECT_EQ(40u, shade_pixels[0][3]);
EXPECT_EQ(0u, shade_pixels[1][0]);
EXPECT_EQ(0u, shade_pixels[1][1]);
EXPECT_EQ(0u, shade_pixels[1][2]);
EXPECT_EQ(128u, shade_pixels[1][3]);
EXPECT_EQ(0u, shade_pixels[2][0]);
EXPECT_EQ(0u, shade_pixels[2][1]);
EXPECT_EQ(0u, shade_pixels[2][2]);
EXPECT_EQ(0u, shade_pixels[2][3]);
EXPECT_EQ(0u, shade_pixels[3][0]);
EXPECT_EQ(0u, shade_pixels[3][1]);
EXPECT_EQ(0u, shade_pixels[3][2]);
EXPECT_EQ(0u, shade_pixels[3][3]);
ARGBShade(&orig_pixels[0][0], 0, &shade_pixels[0][0], 0, 4, 1, 0x80808080);
EXPECT_EQ(5u, shade_pixels[0][0]);
EXPECT_EQ(10u, shade_pixels[0][1]);
EXPECT_EQ(20u, shade_pixels[0][2]);
EXPECT_EQ(40u, shade_pixels[0][3]);
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBShade(&orig_pixels[0][0], 0, &shade_pixels[0][0], 0, 256, 1,
0x80808080);
}
}
TEST_F(libyuvTest, TestInterpolate) {
SIMD_ALIGNED(uint8 orig_pixels_0[256][4]);
SIMD_ALIGNED(uint8 orig_pixels_1[256][4]);
SIMD_ALIGNED(uint8 interpolate_pixels[256][4]);
orig_pixels_0[0][0] = 16u;
orig_pixels_0[0][1] = 32u;
orig_pixels_0[0][2] = 64u;
orig_pixels_0[0][3] = 128u;
orig_pixels_0[1][0] = 0u;
orig_pixels_0[1][1] = 0u;
orig_pixels_0[1][2] = 0u;
orig_pixels_0[1][3] = 255u;
orig_pixels_0[2][0] = 0u;
orig_pixels_0[2][1] = 0u;
orig_pixels_0[2][2] = 0u;
orig_pixels_0[2][3] = 0u;
orig_pixels_0[3][0] = 0u;
orig_pixels_0[3][1] = 0u;
orig_pixels_0[3][2] = 0u;
orig_pixels_0[3][3] = 0u;
orig_pixels_1[0][0] = 0u;
orig_pixels_1[0][1] = 0u;
orig_pixels_1[0][2] = 0u;
orig_pixels_1[0][3] = 0u;
orig_pixels_1[1][0] = 0u;
orig_pixels_1[1][1] = 0u;
orig_pixels_1[1][2] = 0u;
orig_pixels_1[1][3] = 0u;
orig_pixels_1[2][0] = 0u;
orig_pixels_1[2][1] = 0u;
orig_pixels_1[2][2] = 0u;
orig_pixels_1[2][3] = 0u;
orig_pixels_1[3][0] = 255u;
orig_pixels_1[3][1] = 255u;
orig_pixels_1[3][2] = 255u;
orig_pixels_1[3][3] = 255u;
ARGBInterpolate(&orig_pixels_0[0][0], 0, &orig_pixels_1[0][0], 0,
&interpolate_pixels[0][0], 0, 4, 1, 128);
EXPECT_EQ(8u, interpolate_pixels[0][0]);
EXPECT_EQ(16u, interpolate_pixels[0][1]);
EXPECT_EQ(32u, interpolate_pixels[0][2]);
EXPECT_EQ(64u, interpolate_pixels[0][3]);
EXPECT_EQ(0u, interpolate_pixels[1][0]);
EXPECT_EQ(0u, interpolate_pixels[1][1]);
EXPECT_EQ(0u, interpolate_pixels[1][2]);
EXPECT_NEAR(128u, interpolate_pixels[1][3], 1); // C = 127, SSE = 128.
EXPECT_EQ(0u, interpolate_pixels[2][0]);
EXPECT_EQ(0u, interpolate_pixels[2][1]);
EXPECT_EQ(0u, interpolate_pixels[2][2]);
EXPECT_EQ(0u, interpolate_pixels[2][3]);
EXPECT_NEAR(128u, interpolate_pixels[3][0], 1);
EXPECT_NEAR(128u, interpolate_pixels[3][1], 1);
EXPECT_NEAR(128u, interpolate_pixels[3][2], 1);
EXPECT_NEAR(128u, interpolate_pixels[3][3], 1);
ARGBInterpolate(&orig_pixels_0[0][0], 0, &orig_pixels_1[0][0], 0,
&interpolate_pixels[0][0], 0, 4, 1, 0);
EXPECT_EQ(16u, interpolate_pixels[0][0]);
EXPECT_EQ(32u, interpolate_pixels[0][1]);
EXPECT_EQ(64u, interpolate_pixels[0][2]);
EXPECT_EQ(128u, interpolate_pixels[0][3]);
ARGBInterpolate(&orig_pixels_0[0][0], 0, &orig_pixels_1[0][0], 0,
&interpolate_pixels[0][0], 0, 4, 1, 192);
EXPECT_EQ(4u, interpolate_pixels[0][0]);
EXPECT_EQ(8u, interpolate_pixels[0][1]);
EXPECT_EQ(16u, interpolate_pixels[0][2]);
EXPECT_EQ(32u, interpolate_pixels[0][3]);
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBInterpolate(&orig_pixels_0[0][0], 0, &orig_pixels_1[0][0], 0,
&interpolate_pixels[0][0], 0, 256, 1, 128);
}
}
#define TESTTERP(FMT_A, BPP_A, STRIDE_A, \
FMT_B, BPP_B, STRIDE_B, \
W1280, TERP, DIFF, N, NEG, OFF) \
TEST_F(libyuvTest, ARGBInterpolate##TERP##N) { \
const int kWidth = W1280; \
const int kHeight = benchmark_height_; \
const int kStrideA = (kWidth * BPP_A + STRIDE_A - 1) / STRIDE_A * STRIDE_A; \
const int kStrideB = (kWidth * BPP_B + STRIDE_B - 1) / STRIDE_B * STRIDE_B; \
align_buffer_64(src_argb_a, kStrideA * kHeight + OFF); \
align_buffer_64(src_argb_b, kStrideA * kHeight + OFF); \
align_buffer_64(dst_argb_c, kStrideB * kHeight); \
align_buffer_64(dst_argb_opt, kStrideB * kHeight); \
srandom(time(NULL)); \
for (int i = 0; i < kStrideA * kHeight; ++i) { \
src_argb_a[i + OFF] = (random() & 0xff); \
src_argb_b[i + OFF] = (random() & 0xff); \
} \
MaskCpuFlags(0); \
ARGBInterpolate(src_argb_a + OFF, kStrideA, \
src_argb_b + OFF, kStrideA, \
dst_argb_c, kStrideB, \
kWidth, NEG kHeight, TERP); \
MaskCpuFlags(-1); \
for (int i = 0; i < benchmark_iterations_; ++i) { \
ARGBInterpolate(src_argb_a + OFF, kStrideA, \
src_argb_b + OFF, kStrideA, \
dst_argb_opt, kStrideB, \
kWidth, NEG kHeight, TERP); \
} \
int max_diff = 0; \
for (int i = 0; i < kStrideB * kHeight; ++i) { \
int abs_diff = \
abs(static_cast<int>(dst_argb_c[i]) - \
static_cast<int>(dst_argb_opt[i])); \
if (abs_diff > max_diff) { \
max_diff = abs_diff; \
} \
} \
EXPECT_LE(max_diff, DIFF); \
free_aligned_buffer_64(src_argb_a) \
free_aligned_buffer_64(src_argb_b) \
free_aligned_buffer_64(dst_argb_c) \
free_aligned_buffer_64(dst_argb_opt) \
}
#define TESTINTERPOLATE(TERP) \
TESTTERP(ARGB, 4, 1, ARGB, 4, 1, \
benchmark_width_ - 4, TERP, 1, _Any, +, 0) \
TESTTERP(ARGB, 4, 1, ARGB, 4, 1, \
benchmark_width_, TERP, 1, _Unaligned, +, 1) \
TESTTERP(ARGB, 4, 1, ARGB, 4, 1, \
benchmark_width_, TERP, 1, _Invert, -, 0) \
TESTTERP(ARGB, 4, 1, ARGB, 4, 1, \
benchmark_width_, TERP, 1, _Opt, +, 0)
TESTINTERPOLATE(0)
TESTINTERPOLATE(64)
TESTINTERPOLATE(128)
TESTINTERPOLATE(192)
TESTINTERPOLATE(255)
static int TestBlend(int width, int height, int benchmark_iterations,
int invert, int off) {
const int BPP_A = 4;
const int STRIDE_A = 1;
const int BPP_B = 4;
const int STRIDE_B = 1;
const int kStrideA = (width * BPP_A + STRIDE_A - 1) / STRIDE_A * STRIDE_A;
const int kStrideB = (width * BPP_B + STRIDE_B - 1) / STRIDE_B * STRIDE_B;
align_buffer_64(src_argb_a, kStrideA * height + off);
align_buffer_64(src_argb_b, kStrideA * height + off);
align_buffer_64(dst_argb_c, kStrideB * height);
align_buffer_64(dst_argb_opt, kStrideB * height);
srandom(time(NULL));
for (int i = 0; i < kStrideA * height; ++i) {
src_argb_a[i + off] = (random() & 0xff);
src_argb_b[i + off] = (random() & 0xff);
}
ARGBAttenuate(src_argb_a + off, kStrideA, src_argb_a + off, kStrideA, width,
height);
ARGBAttenuate(src_argb_b + off, kStrideA, src_argb_b + off, kStrideA, width,
height);
memset(dst_argb_c, 255, kStrideB * height);
memset(dst_argb_opt, 255, kStrideB * height);
MaskCpuFlags(0);
ARGBBlend(src_argb_a + off, kStrideA,
src_argb_b + off, kStrideA,
dst_argb_c, kStrideB,
width, invert * height);
MaskCpuFlags(-1);
for (int i = 0; i < benchmark_iterations; ++i) {
ARGBBlend(src_argb_a + off, kStrideA,
src_argb_b + off, kStrideA,
dst_argb_opt, kStrideB,
width, invert * height);
}
int max_diff = 0;
for (int i = 0; i < kStrideB * height; ++i) {
int abs_diff =
abs(static_cast<int>(dst_argb_c[i]) -
static_cast<int>(dst_argb_opt[i]));
if (abs_diff > max_diff) {
max_diff = abs_diff;
}
}
free_aligned_buffer_64(src_argb_a)
free_aligned_buffer_64(src_argb_b)
free_aligned_buffer_64(dst_argb_c)
free_aligned_buffer_64(dst_argb_opt)
return max_diff;
}
TEST_F(libyuvTest, ARGBBlend_Any) {
int max_diff = TestBlend(benchmark_width_ - 4, benchmark_height_,
benchmark_iterations_, +1, 0);
EXPECT_LE(max_diff, 1);
}
TEST_F(libyuvTest, ARGBBlend_Unaligned) {
int max_diff = TestBlend(benchmark_width_, benchmark_height_,
benchmark_iterations_, +1, 1);
EXPECT_LE(max_diff, 1);
}
TEST_F(libyuvTest, ARGBBlend_Invert) {
int max_diff = TestBlend(benchmark_width_, benchmark_height_,
benchmark_iterations_, -1, 0);
EXPECT_LE(max_diff, 1);
}
TEST_F(libyuvTest, ARGBBlend_Opt) {
int max_diff = TestBlend(benchmark_width_, benchmark_height_,
benchmark_iterations_, +1, 0);
EXPECT_LE(max_diff, 1);
}
TEST_F(libyuvTest, TestAffine) {
SIMD_ALIGNED(uint8 orig_pixels_0[256][4]);
SIMD_ALIGNED(uint8 interpolate_pixels_C[256][4]);
#if defined(HAS_ARGBAFFINEROW_SSE2)
SIMD_ALIGNED(uint8 interpolate_pixels_Opt[256][4]);
#endif
for (int i = 0; i < 256; ++i) {
for (int j = 0; j < 4; ++j) {
orig_pixels_0[i][j] = i;
}
}
float uv_step[4] = { 0.f, 0.f, 0.75f, 0.f };
ARGBAffineRow_C(&orig_pixels_0[0][0], 0, &interpolate_pixels_C[0][0],
uv_step, 256);
EXPECT_EQ(0u, interpolate_pixels_C[0][0]);
EXPECT_EQ(96u, interpolate_pixels_C[128][0]);
EXPECT_EQ(191u, interpolate_pixels_C[255][3]);
#if defined(HAS_ARGBAFFINEROW_SSE2)
ARGBAffineRow_SSE2(&orig_pixels_0[0][0], 0, &interpolate_pixels_Opt[0][0],
uv_step, 256);
EXPECT_EQ(0, memcmp(interpolate_pixels_Opt, interpolate_pixels_C, 256 * 4));
#endif
#if defined(HAS_ARGBAFFINEROW_SSE2)
int has_sse2 = TestCpuFlag(kCpuHasSSE2);
if (has_sse2) {
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBAffineRow_SSE2(&orig_pixels_0[0][0], 0, &interpolate_pixels_Opt[0][0],
uv_step, 256);
}
} else {
#endif
for (int i = 0; i < benchmark_pixels_div256_; ++i) {
ARGBAffineRow_C(&orig_pixels_0[0][0], 0, &interpolate_pixels_C[0][0],
uv_step, 256);
}
#if defined(HAS_ARGBAFFINEROW_SSE2)
}
#endif
}
TEST_F(libyuvTest, TestCopyPlane) {
int err = 0;
int yw = benchmark_width_;
int yh = benchmark_height_;
int b = 12;
int i, j;
int y_plane_size = (yw + b * 2) * (yh + b * 2);
srandom(time(NULL));
align_buffer_64(orig_y, y_plane_size)
align_buffer_64(dst_c, y_plane_size)
align_buffer_64(dst_opt, y_plane_size);
memset(orig_y, 0, y_plane_size);
memset(dst_c, 0, y_plane_size);
memset(dst_opt, 0, y_plane_size);
// Fill image buffers with random data.
for (i = b; i < (yh + b); ++i) {
for (j = b; j < (yw + b); ++j) {
orig_y[i * (yw + b * 2) + j] = random() & 0xff;
}
}
// Fill destination buffers with random data.
for (i = 0; i < y_plane_size; ++i) {
uint8 random_number = random() & 0x7f;
dst_c[i] = random_number;
dst_opt[i] = dst_c[i];
}
int y_off = b * (yw + b * 2) + b;
int y_st = yw + b * 2;
int stride = 8;
// Disable all optimizations.
MaskCpuFlags(0);
double c_time = get_time();
for (j = 0; j < benchmark_iterations_; j++) {
CopyPlane(orig_y + y_off, y_st, dst_c + y_off, stride, yw, yh);
}
c_time = (get_time() - c_time) / benchmark_iterations_;
// Enable optimizations.
MaskCpuFlags(-1);
double opt_time = get_time();
for (j = 0; j < benchmark_iterations_; j++) {
CopyPlane(orig_y + y_off, y_st, dst_opt + y_off, stride, yw, yh);
}
opt_time = (get_time() - opt_time) / benchmark_iterations_;
printf(" %8d us C - %8d us OPT\n",
static_cast<int>(c_time * 1e6), static_cast<int>(opt_time * 1e6));
for (i = 0; i < y_plane_size; ++i) {
if (dst_c[i] != dst_opt[i])
++err;
}
free_aligned_buffer_64(orig_y)
free_aligned_buffer_64(dst_c)
free_aligned_buffer_64(dst_opt)
EXPECT_EQ(0, err);
}
} // namespace libyuv
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