blob: 0822cba4de35afc69a01afb9d18e8468c038bbda [file] [log] [blame]
/*
* 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_PATCH_CACHE_H
#define ANDROID_HWUI_PATCH_CACHE_H
#include <utils/KeyedVector.h>
#include "Debug.h"
#include "Patch.h"
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Defines
///////////////////////////////////////////////////////////////////////////////
// Debug
#if DEBUG_PATCHES
#define PATCH_LOGD(...) ALOGD(__VA_ARGS__)
#else
#define PATCH_LOGD(...)
#endif
///////////////////////////////////////////////////////////////////////////////
// Cache
///////////////////////////////////////////////////////////////////////////////
class PatchCache {
public:
PatchCache();
PatchCache(uint32_t maxCapacity);
~PatchCache();
Patch* get(const uint32_t bitmapWidth, const uint32_t bitmapHeight,
const float pixelWidth, const float pixelHeight,
const int32_t* xDivs, const int32_t* yDivs, const uint32_t* colors,
const uint32_t width, const uint32_t height, const int8_t numColors);
void clear();
uint32_t getSize() const {
return mCache.size();
}
uint32_t getMaxSize() const {
return mMaxEntries;
}
private:
/**
* Description of a patch.
*/
struct PatchDescription {
PatchDescription(): bitmapWidth(0), bitmapHeight(0), pixelWidth(0), pixelHeight(0),
xCount(0), yCount(0), emptyCount(0), colorKey(0) {
}
PatchDescription(const uint32_t bitmapWidth, const uint32_t bitmapHeight,
const float pixelWidth, const float pixelHeight,
const uint32_t xCount, const uint32_t yCount,
const int8_t emptyCount, const uint32_t colorKey):
bitmapWidth(bitmapWidth), bitmapHeight(bitmapHeight),
pixelWidth(pixelWidth), pixelHeight(pixelHeight),
xCount(xCount), yCount(yCount),
emptyCount(emptyCount), colorKey(colorKey) {
}
static int compare(const PatchDescription& lhs, const PatchDescription& rhs);
bool operator==(const PatchDescription& other) const {
return compare(*this, other) == 0;
}
bool operator!=(const PatchDescription& other) const {
return compare(*this, other) != 0;
}
friend inline int strictly_order_type(const PatchDescription& lhs,
const PatchDescription& rhs) {
return PatchDescription::compare(lhs, rhs) < 0;
}
friend inline int compare_type(const PatchDescription& lhs,
const PatchDescription& rhs) {
return PatchDescription::compare(lhs, rhs);
}
private:
uint32_t bitmapWidth;
uint32_t bitmapHeight;
float pixelWidth;
float pixelHeight;
uint32_t xCount;
uint32_t yCount;
int8_t emptyCount;
uint32_t colorKey;
}; // struct PatchDescription
uint32_t mMaxEntries;
KeyedVector<PatchDescription, Patch*> mCache;
}; // class PatchCache
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_PATCH_CACHE_H