AuroraMiddleware/skia2
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Update fontcache gm to actually stress font atlas

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BUG=skia:

Review URL: https://codereview.chromium.org/933313004
This commit is contained in:
jvanverth 2015-02-19 08:28:02 -08:00 committed by Commit bot
parent f99e961f55
commit ce07afb8fa
1 changed files with 27 additions and 43 deletions
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70
gm/fontcache.cpp
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@ -12,20 +12,6 @@
// GM to stress the GPU font cache // GM to stress the GPU font cache
const char* gFamilyNames[] = {
"sans-serif", "serif"
};
const SkTypeface::Style gStyles[] = {
SkTypeface::kNormal, SkTypeface::kItalic, SkTypeface::kBold
};
const SkScalar gTextSizes[] = {
192, 194, 196, 198, 200, 202, 204, 206
};
#define TYPEFACE_COUNT (SK_ARRAY_COUNT(gFamilyNames)*SK_ARRAY_COUNT(gStyles))
static SkScalar draw_string(SkCanvas* canvas, const SkString& text, SkScalar x, static SkScalar draw_string(SkCanvas* canvas, const SkString& text, SkScalar x,
SkScalar y, const SkPaint& paint) { SkScalar y, const SkPaint& paint) {
canvas->drawText(text.c_str(), text.size(), x, y, paint); canvas->drawText(text.c_str(), text.size(), x, y, paint);
@ -35,15 +21,13 @@ static SkScalar draw_string(SkCanvas* canvas, const SkString& text, SkScalar x,
class FontCacheGM : public skiagm::GM { class FontCacheGM : public skiagm::GM {
public: public:
FontCacheGM() { FontCacheGM() {
for (size_t i = 0; i < TYPEFACE_COUNT; ++i) { fTypefaces[0] = NULL;
fTypefaces[i] = NULL; fTypefaces[1] = NULL;
}
} }
virtual ~FontCacheGM() { virtual ~FontCacheGM() {
for (size_t i = 0; i < TYPEFACE_COUNT; ++i) { SkSafeUnref(fTypefaces[0]);
SkSafeUnref(fTypefaces[i]); SkSafeUnref(fTypefaces[1]);
}
} }
protected: protected:
@ -56,40 +40,40 @@ protected:
} }
void onOnceBeforeDraw() SK_OVERRIDE { void onOnceBeforeDraw() SK_OVERRIDE {
int typefaceCount = 0; fTypefaces[0] = sk_tool_utils::create_portable_typeface("serif", SkTypeface::kItalic);
for (size_t i = 0; i < SK_ARRAY_COUNT(gFamilyNames); ++i) { fTypefaces[1] = sk_tool_utils::create_portable_typeface("sans-serif", SkTypeface::kItalic);
for (size_t j = 0; j < SK_ARRAY_COUNT(gStyles); ++j) {
fTypefaces[typefaceCount++] = sk_tool_utils::create_portable_typeface(gFamilyNames[i],
gStyles[j]);
}
}
} }
void onDraw(SkCanvas* canvas) SK_OVERRIDE { void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkScalar y = 32;
SkPaint paint; SkPaint paint;
paint.setAntiAlias(true); paint.setAntiAlias(true);
paint.setLCDRenderText(true); paint.setLCDRenderText(true);
paint.setSubpixelText(true); paint.setSubpixelText(true);
paint.setTypeface(fTypefaces[0]);
paint.setTextSize(192);
SkString text("H"); SkScalar x = 20;
SkScalar y = 128;
// draw enough to overflow the cache SkString text("ABCDEFGHIJ");
for (size_t i = 0; i < TYPEFACE_COUNT; ++i) { draw_string(canvas, text, x, y, paint);
paint.setTypeface(fTypefaces[i]); y += 100;
SkScalar x = 20; SkString text2("KLMNOPQRS");
draw_string(canvas, text2, x, y, paint);
for (size_t j = 0; j < SK_ARRAY_COUNT(gTextSizes); ++j) { y += 100;
paint.setTextSize(gTextSizes[j]); SkString text3("TUVWXYZ012");
x = draw_string(canvas, text, x, y, paint) + 10; draw_string(canvas, text3, x, y, paint);
} y += 100;
y += 128; paint.setTypeface(fTypefaces[1]);
} draw_string(canvas, text, x, y, paint);
y += 100;
draw_string(canvas, text2, x, y, paint);
y += 100;
draw_string(canvas, text3, x, y, paint);
y += 100;
} }
private: private:
SkTypeface* fTypefaces[TYPEFACE_COUNT]; SkTypeface* fTypefaces[2];
typedef GM INHERITED; typedef GM INHERITED;
}; };