From f7f93556c8fcc640ab5adef79d021a80a72a645a Mon Sep 17 00:00:00 2001 From: Romain Guy Date: Thu, 8 Jul 2010 19:17:03 -0700 Subject: Draw n-patches using OpenGL. Currently only tested with title bars and buttons. Change-Id: I8263a9281898dc0e943b1b8412827fe55639b9d6 --- libs/hwui/PatchCache.cpp | 72 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 libs/hwui/PatchCache.cpp (limited to 'libs/hwui/PatchCache.cpp') diff --git a/libs/hwui/PatchCache.cpp b/libs/hwui/PatchCache.cpp new file mode 100644 index 000000000000..694e3fd6205c --- /dev/null +++ b/libs/hwui/PatchCache.cpp @@ -0,0 +1,72 @@ +/* + * 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 +#include + +#include "PatchCache.h" + +namespace android { +namespace uirenderer { + +/////////////////////////////////////////////////////////////////////////////// +// Constructors/destructor +/////////////////////////////////////////////////////////////////////////////// + +PatchCache::PatchCache(uint32_t maxEntries): mCache(maxEntries) { +} + +PatchCache::~PatchCache() { + clear(); +} + +/////////////////////////////////////////////////////////////////////////////// +// Callbacks +/////////////////////////////////////////////////////////////////////////////// + +void PatchCache::operator()(PatchDescription& description, Patch*& mesh) { + if (mesh) delete mesh; +} + +/////////////////////////////////////////////////////////////////////////////// +// Caching +/////////////////////////////////////////////////////////////////////////////// + +void PatchCache::clear() { + mCache.setOnEntryRemovedListener(this); + mCache.clear(); + mCache.setOnEntryRemovedListener(NULL); +} + +Patch* PatchCache::get(const Res_png_9patch* patch) { + const uint32_t width = patch->numXDivs; + const uint32_t height = patch->numYDivs; + const PatchDescription description(width, height); + + Patch* mesh = mCache.get(description); + if (!mesh) { + PATCH_LOGD("Creating new patch mesh, w=%d h=%d", width, height); + mesh = new Patch(width, height); + mCache.put(description, mesh); + } + + return mesh; +} + +}; // namespace uirenderer +}; // namespace android -- cgit v1.2.3-59-g8ed1b