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Diffstat (limited to 'libs/hwui/TextDropShadowCache.cpp')
| -rw-r--r-- | libs/hwui/TextDropShadowCache.cpp | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/libs/hwui/TextDropShadowCache.cpp b/libs/hwui/TextDropShadowCache.cpp deleted file mode 100644 index c892ceb3e14d..000000000000 --- a/libs/hwui/TextDropShadowCache.cpp +++ /dev/null @@ -1,209 +0,0 @@ -/* - * 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. - */ - -#include <utils/JenkinsHash.h> - -#include "Caches.h" -#include "Debug.h" -#include "FontRenderer.h" -#include "Properties.h" -#include "TextDropShadowCache.h" - -namespace android { -namespace uirenderer { - -/////////////////////////////////////////////////////////////////////////////// -// Cache support -/////////////////////////////////////////////////////////////////////////////// - -hash_t ShadowText::hash() const { - uint32_t hash = JenkinsHashMix(0, glyphCount); - hash = JenkinsHashMix(hash, android::hash_type(radius)); - hash = JenkinsHashMix(hash, android::hash_type(textSize)); - hash = JenkinsHashMix(hash, android::hash_type(typeface)); - hash = JenkinsHashMix(hash, flags); - hash = JenkinsHashMix(hash, android::hash_type(italicStyle)); - hash = JenkinsHashMix(hash, android::hash_type(scaleX)); - if (glyphs) { - hash = JenkinsHashMixShorts(hash, reinterpret_cast<const uint16_t*>(glyphs), glyphCount); - } - if (positions) { - for (uint32_t i = 0; i < glyphCount * 2; i++) { - hash = JenkinsHashMix(hash, android::hash_type(positions[i])); - } - } - return JenkinsHashWhiten(hash); -} - -int ShadowText::compare(const ShadowText& lhs, const ShadowText& rhs) { - int deltaInt = int(lhs.glyphCount) - int(rhs.glyphCount); - if (deltaInt != 0) return deltaInt; - - deltaInt = lhs.flags - rhs.flags; - if (deltaInt != 0) return deltaInt; - - if (lhs.radius < rhs.radius) return -1; - if (lhs.radius > rhs.radius) return +1; - - if (lhs.typeface < rhs.typeface) return -1; - if (lhs.typeface > rhs.typeface) return +1; - - if (lhs.textSize < rhs.textSize) return -1; - if (lhs.textSize > rhs.textSize) return +1; - - if (lhs.italicStyle < rhs.italicStyle) return -1; - if (lhs.italicStyle > rhs.italicStyle) return +1; - - if (lhs.scaleX < rhs.scaleX) return -1; - if (lhs.scaleX > rhs.scaleX) return +1; - - if (lhs.glyphs != rhs.glyphs) { - if (!lhs.glyphs) return -1; - if (!rhs.glyphs) return +1; - - deltaInt = memcmp(lhs.glyphs, rhs.glyphs, lhs.glyphCount * sizeof(glyph_t)); - if (deltaInt != 0) return deltaInt; - } - - if (lhs.positions != rhs.positions) { - if (!lhs.positions) return -1; - if (!rhs.positions) return +1; - - return memcmp(lhs.positions, rhs.positions, lhs.glyphCount * sizeof(float) * 2); - } - - return 0; -} - -/////////////////////////////////////////////////////////////////////////////// -// Constructors/destructor -/////////////////////////////////////////////////////////////////////////////// - -TextDropShadowCache::TextDropShadowCache() - : TextDropShadowCache(DeviceInfo::multiplyByResolution(2)) {} - -TextDropShadowCache::TextDropShadowCache(uint32_t maxByteSize) - : mCache(LruCache<ShadowText, ShadowTexture*>::kUnlimitedCapacity) - , mSize(0) - , mMaxSize(maxByteSize) { - mCache.setOnEntryRemovedListener(this); - mDebugEnabled = Properties::debugLevel & kDebugMoreCaches; -} - -TextDropShadowCache::~TextDropShadowCache() { - mCache.clear(); -} - -/////////////////////////////////////////////////////////////////////////////// -// Size management -/////////////////////////////////////////////////////////////////////////////// - -uint32_t TextDropShadowCache::getSize() { - return mSize; -} - -uint32_t TextDropShadowCache::getMaxSize() { - return mMaxSize; -} - -/////////////////////////////////////////////////////////////////////////////// -// Callbacks -/////////////////////////////////////////////////////////////////////////////// - -void TextDropShadowCache::operator()(ShadowText&, ShadowTexture*& texture) { - if (texture) { - mSize -= texture->objectSize(); - - if (mDebugEnabled) { - ALOGD("Shadow texture deleted, size = %d", texture->bitmapSize); - } - - texture->deleteTexture(); - delete texture; - } -} - -/////////////////////////////////////////////////////////////////////////////// -// Caching -/////////////////////////////////////////////////////////////////////////////// - -void TextDropShadowCache::clear() { - mCache.clear(); -} - -ShadowTexture* TextDropShadowCache::get(const SkPaint* paint, const glyph_t* glyphs, int numGlyphs, - float radius, const float* positions) { - ShadowText entry(paint, radius, numGlyphs, glyphs, positions); - ShadowTexture* texture = mCache.get(entry); - - if (!texture) { - SkPaint paintCopy(*paint); - paintCopy.setTextAlign(SkPaint::kLeft_Align); - FontRenderer::DropShadow shadow = - mRenderer->renderDropShadow(&paintCopy, glyphs, numGlyphs, radius, positions); - - if (!shadow.image) { - return nullptr; - } - - Caches& caches = Caches::getInstance(); - - texture = new ShadowTexture(caches); - texture->left = shadow.penX; - texture->top = shadow.penY; - texture->generation = 0; - texture->blend = true; - - const uint32_t size = shadow.width * shadow.height; - - // Don't even try to cache a bitmap that's bigger than the cache - if (size < mMaxSize) { - while (mSize + size > mMaxSize) { - LOG_ALWAYS_FATAL_IF(!mCache.removeOldest(), - "Failed to remove oldest from cache. mSize = %" PRIu32 - ", mCache.size() = %zu", - mSize, mCache.size()); - } - } - - // Textures are Alpha8 - texture->upload(GL_ALPHA, shadow.width, shadow.height, GL_ALPHA, GL_UNSIGNED_BYTE, - shadow.image); - texture->setFilter(GL_LINEAR); - texture->setWrap(GL_CLAMP_TO_EDGE); - - if (size < mMaxSize) { - if (mDebugEnabled) { - ALOGD("Shadow texture created, size = %d", texture->bitmapSize); - } - - entry.copyTextLocally(); - - mSize += texture->objectSize(); - mCache.put(entry, texture); - } else { - texture->cleanup = true; - } - - // Cleanup shadow - free(shadow.image); - } - - return texture; -} - -}; // namespace uirenderer -}; // namespace android |