6c81893c62
This change removes the need for the SortedList and instead just add a generated id to each FBO stored in the cache. This is an artificial way to store several FBOs with the same dimensions. Change-Id: I9638364e9bdc0f2391261937a0c86096f20505bf
155 lines
4.5 KiB
C++
155 lines
4.5 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.
|
|
*/
|
|
|
|
#define LOG_TAG "OpenGLRenderer"
|
|
|
|
#include <GLES2/gl2.h>
|
|
|
|
#include "TextureCache.h"
|
|
|
|
namespace android {
|
|
namespace uirenderer {
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Constructors/destructor
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
TextureCache::TextureCache(uint32_t maxByteSize):
|
|
mCache(GenerationCache<SkBitmap*, Texture*>::kUnlimitedCapacity),
|
|
mSize(0), mMaxSize(maxByteSize) {
|
|
mCache.setOnEntryRemovedListener(this);
|
|
}
|
|
|
|
TextureCache::~TextureCache() {
|
|
mCache.clear();
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Size management
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
uint32_t TextureCache::getSize() {
|
|
return mSize;
|
|
}
|
|
|
|
uint32_t TextureCache::getMaxSize() {
|
|
return mMaxSize;
|
|
}
|
|
|
|
void TextureCache::setMaxSize(uint32_t maxSize) {
|
|
mMaxSize = maxSize;
|
|
while (mSize > mMaxSize) {
|
|
mCache.removeOldest();
|
|
}
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Callbacks
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
void TextureCache::operator()(SkBitmap*& bitmap, Texture*& texture) {
|
|
if (bitmap) {
|
|
const uint32_t size = bitmap->rowBytes() * bitmap->height();
|
|
mSize -= size;
|
|
}
|
|
|
|
if (texture) {
|
|
glDeleteTextures(1, &texture->id);
|
|
delete texture;
|
|
}
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Caching
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
Texture* TextureCache::get(SkBitmap* bitmap) {
|
|
Texture* texture = mCache.get(bitmap);
|
|
if (!texture) {
|
|
const uint32_t size = bitmap->rowBytes() * bitmap->height();
|
|
// Don't even try to cache a bitmap that's bigger than the cache
|
|
if (size < mMaxSize) {
|
|
while (mSize + size > mMaxSize) {
|
|
mCache.removeOldest();
|
|
}
|
|
}
|
|
|
|
texture = new Texture;
|
|
generateTexture(bitmap, texture, false);
|
|
|
|
if (size < mMaxSize) {
|
|
mSize += size;
|
|
mCache.put(bitmap, texture);
|
|
}
|
|
} else if (bitmap->getGenerationID() != texture->generation) {
|
|
generateTexture(bitmap, texture, true);
|
|
}
|
|
return texture;
|
|
}
|
|
|
|
void TextureCache::remove(SkBitmap* bitmap) {
|
|
mCache.remove(bitmap);
|
|
}
|
|
|
|
void TextureCache::clear() {
|
|
mCache.clear();
|
|
}
|
|
|
|
void TextureCache::generateTexture(SkBitmap* bitmap, Texture* texture, bool regenerate) {
|
|
SkAutoLockPixels alp(*bitmap);
|
|
if (!bitmap->readyToDraw()) {
|
|
LOGE("Cannot generate texture from bitmap");
|
|
return;
|
|
}
|
|
|
|
if (!regenerate) {
|
|
texture->generation = bitmap->getGenerationID();
|
|
texture->width = bitmap->width();
|
|
texture->height = bitmap->height();
|
|
|
|
glGenTextures(1, &texture->id);
|
|
}
|
|
|
|
glBindTexture(GL_TEXTURE_2D, texture->id);
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, bitmap->bytesPerPixel());
|
|
|
|
switch (bitmap->getConfig()) {
|
|
case SkBitmap::kRGB_565_Config:
|
|
texture->blend = false;
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, bitmap->rowBytesAsPixels(), texture->height, 0,
|
|
GL_RGB, GL_UNSIGNED_SHORT_5_6_5, bitmap->getPixels());
|
|
break;
|
|
case SkBitmap::kARGB_8888_Config:
|
|
texture->blend = true;
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bitmap->rowBytesAsPixels(), texture->height, 0,
|
|
GL_RGBA, GL_UNSIGNED_BYTE, bitmap->getPixels());
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
}
|
|
|
|
}; // namespace uirenderer
|
|
}; // namespace android
|