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Diffstat (limited to 'libs/hwui/DeferredLayerUpdater.h')
| -rw-r--r-- | libs/hwui/DeferredLayerUpdater.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/libs/hwui/DeferredLayerUpdater.h b/libs/hwui/DeferredLayerUpdater.h new file mode 100644 index 0000000..c838c32 --- /dev/null +++ b/libs/hwui/DeferredLayerUpdater.h @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2014 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 DEFERREDLAYERUPDATE_H_ +#define DEFERREDLAYERUPDATE_H_ + +#include <cutils/compiler.h> +#include <gui/GLConsumer.h> +#include <SkColorFilter.h> +#include <SkMatrix.h> +#include <utils/StrongPointer.h> + +#include "Layer.h" +#include "Rect.h" +#include "RenderNode.h" + +namespace android { +namespace uirenderer { + +typedef void (*LayerDestroyer)(Layer* layer); + +// Container to hold the properties a layer should be set to at the start +// of a render pass +class DeferredLayerUpdater : public VirtualLightRefBase { +public: + // Note that DeferredLayerUpdater assumes it is taking ownership of the layer + // and will not call incrementRef on it as a result. + ANDROID_API DeferredLayerUpdater(Layer* layer, LayerDestroyer = 0); + ANDROID_API ~DeferredLayerUpdater(); + + ANDROID_API bool setSize(uint32_t width, uint32_t height) { + if (mWidth != width || mHeight != height) { + mWidth = width; + mHeight = height; + return true; + } + return false; + } + + ANDROID_API bool setBlend(bool blend) { + if (blend != mBlend) { + mBlend = blend; + return true; + } + return false; + } + + ANDROID_API void setSurfaceTexture(const sp<GLConsumer>& texture, bool needsAttach) { + if (texture.get() != mSurfaceTexture.get()) { + mNeedsGLContextAttach = needsAttach; + mSurfaceTexture = texture; + } + } + + ANDROID_API void updateTexImage() { + mUpdateTexImage = true; + } + + ANDROID_API void setTransform(const SkMatrix* matrix) { + delete mTransform; + mTransform = matrix ? new SkMatrix(*matrix) : 0; + } + + ANDROID_API void setPaint(const SkPaint* paint); + + ANDROID_API bool apply(); + + ANDROID_API Layer* backingLayer() { + return mLayer; + } + + ANDROID_API void detachSurfaceTexture(); + +private: + // Generic properties + uint32_t mWidth; + uint32_t mHeight; + bool mBlend; + SkColorFilter* mColorFilter; + int mAlpha; + SkXfermode::Mode mMode; + + sp<GLConsumer> mSurfaceTexture; + SkMatrix* mTransform; + bool mNeedsGLContextAttach; + bool mUpdateTexImage; + + Layer* mLayer; + Caches& mCaches; + + LayerDestroyer mDestroyer; + + void doUpdateTexImage(); +}; + +} /* namespace uirenderer */ +} /* namespace android */ + +#endif /* DEFERREDLAYERUPDATE_H_ */ |
