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Update fontcache GM to stress the font atlas.

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Pulled out of https://codereview.chromium.org/466363009/.

R=bsalomon@google.com

Author: jvanverth@google.com

Review URL: https://codereview.chromium.org/534253003
This commit is contained in:
jvanverth 2014-09-03 08:44:59 -07:00 committed by Commit bot
parent b381fa10d8
commit 3f5417590a
2 changed files with 9 additions and 24 deletions
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2
expectations/gm/ignored-tests.txt
View File

@ -39,5 +39,5 @@ textblob
# reed
matrixconvolution
# Added as part of https://codereview.chromium.org/466363009/
# jvanverth
fontcache

31
gm/fontcache.cpp
View File

@ -13,15 +13,15 @@
// GM to stress the GPU font cache
const char* gFamilyNames[] = {
"sans-serif", "serif", "monospace"
"sans-serif", "serif"
};
const SkTypeface::Style gStyles[] = {
SkTypeface::kNormal, SkTypeface::kItalic
SkTypeface::kNormal, SkTypeface::kItalic, SkTypeface::kBold
};
const SkScalar gTextSizes[] = {
12, 14, 16, 18, 20, 22, 24, 26, 28, 30
192, 194, 196, 198, 200, 202, 204, 206
};
#define TYPEFACE_COUNT (SK_ARRAY_COUNT(gFamilyNames)*SK_ARRAY_COUNT(gStyles))
@ -52,7 +52,7 @@ protected:
}
virtual SkISize onISize() SK_OVERRIDE {
return SkISize::Make(640, 320);
return SkISize::Make(1280, 640);
}
virtual void onOnceBeforeDraw() SK_OVERRIDE {
@ -72,33 +72,18 @@ protected:
paint.setLCDRenderText(true);
paint.setSubpixelText(true);
SkString text("Ham");
SkString text("H");
// draw some initial text to partially fill the GPU cache
for (size_t i = 0; i < 2; ++i) {
paint.setTypeface(fTypefaces[i]);
SkScalar x = 20;
for (size_t j = 0; j < SK_ARRAY_COUNT(gTextSizes); ++j) {
paint.setTextSize(gTextSizes[j]);
x = draw_string(canvas, text, x, y, paint) + 19;
}
y += 32;
}
// force a flush
canvas->flush();
// draw again, and more to overflow the cache
// draw enough to overflow the cache
for (size_t i = 0; i < TYPEFACE_COUNT; ++i) {
paint.setTypeface(fTypefaces[i]);
SkScalar x = 20;
for (size_t j = 0; j < SK_ARRAY_COUNT(gTextSizes); ++j) {
paint.setTextSize(gTextSizes[j]);
x = draw_string(canvas, text, x, y, paint) + 19;
x = draw_string(canvas, text, x, y, paint) + 10;
}
y += 32;
y += 128;
}
}