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Diffstat (limited to 'libs/hwui/PatchCache.h')
| -rw-r--r-- | libs/hwui/PatchCache.h | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/libs/hwui/PatchCache.h b/libs/hwui/PatchCache.h deleted file mode 100644 index 273c3f56f2cd..000000000000 --- a/libs/hwui/PatchCache.h +++ /dev/null @@ -1,171 +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. - */ - -#pragma once - -#include <GLES2/gl2.h> - -#include <utils/LruCache.h> - -#include <androidfw/ResourceTypes.h> - -#include "Debug.h" -#include "utils/Pair.h" - -namespace android { -namespace uirenderer { - -class Patch; - -/////////////////////////////////////////////////////////////////////////////// -// Defines -/////////////////////////////////////////////////////////////////////////////// - -// Debug -#if DEBUG_PATCHES -#define PATCH_LOGD(...) ALOGD(__VA_ARGS__) -#else -#define PATCH_LOGD(...) -#endif - -/////////////////////////////////////////////////////////////////////////////// -// Cache -/////////////////////////////////////////////////////////////////////////////// - -class Caches; -class RenderState; - -class PatchCache { -public: - explicit PatchCache(RenderState& renderState); - ~PatchCache(); - - const Patch* get(const uint32_t bitmapWidth, const uint32_t bitmapHeight, - const float pixelWidth, const float pixelHeight, const Res_png_9patch* patch); - void clear(); - - uint32_t getSize() const { return mSize; } - - uint32_t getMaxSize() const { return mMaxSize; } - - GLuint getMeshBuffer() const { return mMeshBuffer; } - - /** - * Removes the entries associated with the specified 9-patch. This is meant - * to be called from threads that are not the EGL context thread (GC thread - * on the VM side for instance.) - */ - void removeDeferred(Res_png_9patch* patch); - - /** - * Process deferred removals. - */ - void clearGarbage(); - -private: - struct PatchDescription { - PatchDescription() - : mPatch(nullptr) - , mBitmapWidth(0) - , mBitmapHeight(0) - , mPixelWidth(0) - , mPixelHeight(0) {} - - PatchDescription(const uint32_t bitmapWidth, const uint32_t bitmapHeight, - const float pixelWidth, const float pixelHeight, - const Res_png_9patch* patch) - : mPatch(patch) - , mBitmapWidth(bitmapWidth) - , mBitmapHeight(bitmapHeight) - , mPixelWidth(pixelWidth) - , mPixelHeight(pixelHeight) {} - - hash_t hash() const; - - const Res_png_9patch* getPatch() const { return mPatch; } - - 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); - } - - friend inline hash_t hash_type(const PatchDescription& entry) { return entry.hash(); } - - private: - const Res_png_9patch* mPatch; - uint32_t mBitmapWidth; - uint32_t mBitmapHeight; - float mPixelWidth; - float mPixelHeight; - - }; // struct PatchDescription - - /** - * A buffer block represents an empty range in the mesh buffer - * that can be used to store vertices. - * - * The patch cache maintains a linked-list of buffer blocks - * to track available regions of memory in the VBO. - */ - struct BufferBlock { - BufferBlock(uint32_t offset, uint32_t size) : offset(offset), size(size), next(nullptr) {} - - uint32_t offset; - uint32_t size; - - BufferBlock* next; - }; // struct BufferBlock - - typedef Pair<const PatchDescription*, Patch*> patch_pair_t; - - void clearCache(); - void createVertexBuffer(); - - void setupMesh(Patch* newMesh); - - void remove(Vector<patch_pair_t>& patchesToRemove, Res_png_9patch* patch); - -#if DEBUG_PATCHES - void dumpFreeBlocks(const char* prefix); -#endif - - RenderState& mRenderState; - const uint32_t mMaxSize; - uint32_t mSize; - - LruCache<PatchDescription, Patch*> mCache; - - GLuint mMeshBuffer; - // First available free block inside the mesh buffer - BufferBlock* mFreeBlocks; - - // Garbage tracking, required to handle GC events on the VM side - Vector<Res_png_9patch*> mGarbage; - mutable Mutex mLock; -}; // class PatchCache - -}; // namespace uirenderer -}; // namespace android |