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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
package main
import (
"encoding/json"
"errors"
"fmt"
"image"
"image/draw"
"image/png"
"log"
"net/http"
"os"
"path"
"sort"
"strings"
"sync"
"go.skia.org/infra/golden/go/search"
)
const (
min_png = "min.png"
max_png = "max.png"
)
// `slack` is an amount to add to the max and subtract from the minimim channel
// value for each pixel for the given test. By default, slack is 0.
var slack = map[string]int{
"animated-image-blurs": 1,
"anisotropic_hq": 1,
"bitmapfilters": 1,
"bleed": 1,
"bleed_alpha_bmp": 1,
"bleed_alpha_bmp_shader": 1,
"bleed_alpha_image": 1,
"bleed_alpha_image_shader": 1,
"bleed_image": 1,
"blur2rectsnonninepatch": 1,
"blur_ignore_xform_rect": 1,
"blur_ignore_xform_rrect": 1,
"blurcircles2": 1,
"blurimagevmask": 1,
"blurs": 1,
"circular_arcs_stroke_butt": 1,
"circular_arcs_stroke_square": 1,
"cliperror": 1,
"complexclip_aa_invert": 1,
"complexclip_aa_layer_invert": 1,
"concavepaths": 1,
"const_color_processor": 1,
"convex-polygon-inset": 1,
"dash_line_zero_off_interval": 1,
"dashcircle": 1,
"dashing5_aa": 1,
"downsamplebitmap_checkerboard_high_512_256": 1,
"downsamplebitmap_checkerboard_low_512_256": 1,
"downsamplebitmap_checkerboard_medium_512_256": 1,
"downsamplebitmap_image_high": 1,
"downsamplebitmap_image_low": 1,
"downsamplebitmap_image_medium": 1,
"downsamplebitmap_text_high_72.00pt": 1,
"downsamplebitmap_text_low_72.00pt": 1,
"downsamplebitmap_text_medium_72.00pt": 1,
"drawregionmodes": 1,
"dstreadshuffle": 1,
"encode-srgb-jpg": 1,
"extractalpha": 1,
"fillcircle": 1,
"filterbitmap_checkerboard_32_2": 1,
"filterbitmap_checkerboard_32_32": 1,
"filterbitmap_checkerboard_32_32_g8": 1,
"filterbitmap_checkerboard_32_8": 1,
"filterbitmap_checkerboard_4_4": 1,
"filterbitmap_image_mandrill_32.png": 1,
"filterbitmap_image_mandrill_64.png_g8": 1,
"filterbitmap_text_10.00pt": 1,
"filterbitmap_text_3.00pt": 1,
"filterbitmap_text_7.00pt": 1,
"fontmgr_bounds": 1,
"fontmgr_bounds_1_-0.25": 1,
"glyph_pos_h_s": 1,
"gradients": 1,
"gradients4f": 1,
"gradients_2pt_conical_edge": 1,
"gradients_many": 1,
"gradients_no_texture": 1,
"gradients_no_texture_nodither": 1,
"imageblur": 1,
"imageblurclampmode": 1,
"imageblurrepeatmode": 1,
"imagefiltersbase": 1,
"imagefiltersclipped": 1,
"imagefilterscropexpand": 1,
"imagefilterscropped": 1,
"imagefiltersscaled": 1,
"imagefiltersstroked": 1,
"imagemagnifier": 1,
"largeglyphblur": 1,
"manycircles": 1,
"nested_aa": 1,
"nested_flipY_aa": 1,
"ninepatch-stretch": 1,
"nonclosedpaths": 1,
"occludedrrectblur": 1,
"parsedpaths": 1,
"patheffect": 1,
"pathfill": 1,
"polygons": 1,
"rects": 1,
"savelayer_with_backdrop": 1,
"scaled_tilemodes_npot": 1,
"shadertext3": 1,
"shadow_utils_occl": 1,
"smallpaths": 1,
"spritebitmap": 1,
"stroke-fill": 1,
"stroke_rect_shader": 1,
"strokecircle": 1,
"strokerects": 1,
"strokes_round": 1,
"tall_stretched_bitmaps": 1,
"thinconcavepaths": 1,
"tilemodes_npot": 1,
"varied_text_clipped_no_lcd": 1,
"varied_text_ignorable_clip_no_lcd": 1,
"xfermodes": 1,
"xfermodes2": 1,
"xfermodes3": 1,
"yuv_to_rgb_effect": 1,
"zeroPath": 1,
}
type ExportTestRecordArray []search.ExportTestRecord
func (a ExportTestRecordArray) Len() int { return len(a) }
func (a ExportTestRecordArray) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a ExportTestRecordArray) Less(i, j int) bool { return a[i].TestName < a[j].TestName }
func in(v string, a []string) bool {
for _, u := range a {
if u == v {
return true
}
}
return false
}
func clampU8(v int) uint8 {
if v < 0 {
return 0
} else if v > 255 {
return 255
}
return uint8(v)
}
func processTest(testName string, imgUrls []string, output string) error {
if strings.ContainsRune(testName, '/') {
return nil
}
output_directory := path.Join(output, testName)
var img_max image.NRGBA
var img_min image.NRGBA
for _, url := range imgUrls {
resp, err := http.Get(url)
if err != nil {
return err
}
img, err := png.Decode(resp.Body)
resp.Body.Close()
if err != nil {
return err
}
if img_max.Rect.Max.X == 0 {
// N.B. img_max.Pix may alias img.Pix (if they're already NRGBA).
img_max = toNrgba(img)
img_min = copyNrgba(img_max)
continue
}
w := img.Bounds().Max.X - img.Bounds().Min.X
h := img.Bounds().Max.Y - img.Bounds().Min.Y
if img_max.Rect.Max.X != w || img_max.Rect.Max.Y != h {
return errors.New("size mismatch")
}
img_nrgba := toNrgba(img)
for i, value := range img_nrgba.Pix {
if value > img_max.Pix[i] {
img_max.Pix[i] = value
} else if value < img_min.Pix[i] {
img_min.Pix[i] = value
}
}
}
if img_max.Rect.Max.X == 0 {
return nil
}
if delta, ok := slack[testName]; ok {
for i, v := range img_min.Pix {
img_min.Pix[i] = clampU8(int(v) - delta)
}
for i, v := range img_max.Pix {
img_max.Pix[i] = clampU8(int(v) + delta)
}
}
if err := os.Mkdir(output_directory, os.ModePerm); err != nil && !os.IsExist(err) {
return err
}
if err := writePngToFile(path.Join(output_directory, min_png), &img_min); err != nil {
return err
}
if err := writePngToFile(path.Join(output_directory, max_png), &img_max); err != nil {
return err
}
return nil
}
func readMetaJsonFile(filename string) ([]search.ExportTestRecord, error) {
file, err := os.Open(filename)
if err != nil {
return nil, err
}
dec := json.NewDecoder(file)
var records []search.ExportTestRecord
err = dec.Decode(&records)
return records, err
}
func writePngToFile(path string, img image.Image) error {
file, err := os.Create(path)
if err != nil {
return err
}
defer file.Close()
return png.Encode(file, img)
}
// to_nrgb() may return a shallow copy of img if it's already NRGBA.
func toNrgba(img image.Image) image.NRGBA {
switch v := img.(type) {
case *image.NRGBA:
return *v
}
nimg := *image.NewNRGBA(img.Bounds())
draw.Draw(&nimg, img.Bounds(), img, image.Point{0, 0}, draw.Src)
return nimg
}
func copyNrgba(src image.NRGBA) image.NRGBA {
dst := image.NRGBA{make([]uint8, len(src.Pix)), src.Stride, src.Rect}
copy(dst.Pix, src.Pix)
return dst
}
func main() {
if len(os.Args) != 3 {
log.Printf("Usage:\n %s INPUT.json OUTPUT_DIRECTORY\n\n", os.Args[0])
os.Exit(1)
}
input := os.Args[1]
output := os.Args[2]
// output is removed and replaced with a clean directory.
if err := os.RemoveAll(output); err != nil && !os.IsNotExist(err) {
log.Fatal(err)
}
if err := os.MkdirAll(output, os.ModePerm); err != nil && !os.IsExist(err) {
log.Fatal(err)
}
records, err := readMetaJsonFile(input)
if err != nil {
log.Fatal(err)
}
sort.Sort(ExportTestRecordArray(records))
var wg sync.WaitGroup
for _, record := range records {
var goodUrls []string
for _, digest := range record.Digests {
if (in("vk", digest.ParamSet["config"]) ||
in("gles", digest.ParamSet["config"])) &&
digest.Status == "positive" {
goodUrls = append(goodUrls, digest.URL)
}
}
wg.Add(1)
go func(testName string, imgUrls []string, output string) {
defer wg.Done()
if err := processTest(testName, imgUrls, output); err != nil {
log.Fatal(err)
}
fmt.Printf("\r%-60s", testName)
}(record.TestName, goodUrls, output)
}
wg.Wait()
fmt.Printf("\r%60s\n", "")
}
|
