eca0ca2424
Bug #5566149 Lazily initialize font renderers Keep 60% of the texture cache when an app goes to the background Delete least used font renderer when going to the background Delete all font renderers on full memory trim Change-Id: I3c2454d46dc1107ec0f0f72a9ce69cbbcc8825e7
72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/*
|
|
* Copyright (C) 2010 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef ANDROID_HWUI_GAMMA_FONT_RENDERER_H
|
|
#define ANDROID_HWUI_GAMMA_FONT_RENDERER_H
|
|
|
|
#include <SkPaint.h>
|
|
|
|
#include "FontRenderer.h"
|
|
|
|
namespace android {
|
|
namespace uirenderer {
|
|
|
|
struct GammaFontRenderer {
|
|
GammaFontRenderer();
|
|
~GammaFontRenderer();
|
|
|
|
enum Gamma {
|
|
kGammaDefault = 0,
|
|
kGammaBlack = 1,
|
|
kGammaWhite = 2,
|
|
kGammaCount = 3
|
|
};
|
|
|
|
void clear();
|
|
void flush();
|
|
|
|
FontRenderer& getFontRenderer(const SkPaint* paint);
|
|
|
|
uint32_t getFontRendererCount() const {
|
|
return kGammaCount;
|
|
}
|
|
|
|
uint32_t getFontRendererSize(uint32_t fontRenderer) const {
|
|
if (fontRenderer >= kGammaCount) return 0;
|
|
|
|
FontRenderer* renderer = mRenderers[fontRenderer];
|
|
if (!renderer) return 0;
|
|
|
|
return renderer->getCacheHeight() * renderer->getCacheWidth();
|
|
}
|
|
|
|
private:
|
|
FontRenderer* getRenderer(Gamma gamma);
|
|
|
|
uint32_t mRenderersUsageCount[kGammaCount];
|
|
FontRenderer* mRenderers[kGammaCount];
|
|
|
|
int mBlackThreshold;
|
|
int mWhiteThreshold;
|
|
|
|
uint8_t mGammaTable[256 * kGammaCount];
|
|
};
|
|
|
|
}; // namespace uirenderer
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_HWUI_GAMMA_FONT_RENDERER_H
|