diff options
Diffstat (limited to 'services/surfaceflinger/LayerBlur.h')
-rw-r--r-- | services/surfaceflinger/LayerBlur.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/services/surfaceflinger/LayerBlur.h b/services/surfaceflinger/LayerBlur.h new file mode 100644 index 0000000..251423e --- /dev/null +++ b/services/surfaceflinger/LayerBlur.h @@ -0,0 +1,106 @@ +/* + * Copyright (c) 2014, The Linux Foundation. All rights reserved. + * Not a Contribution. + * + * Copyright (C) 2007 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 ANDROID_LAYER_BLUR_H +#define ANDROID_LAYER_BLUR_H + +#include <stdint.h> +#include <sys/types.h> + +#include "Layer.h" + +#ifdef UI_BLUR +#include "Blur.h" // libuiblur.so +#endif + +// --------------------------------------------------------------------------- + +namespace android { + +/** + * Blur layer object. + * Actual blurring logics are capsulated in libuiblur.so + */ +class LayerBlur : public Layer +{ +public: + LayerBlur(SurfaceFlinger* flinger, const sp<Client>& client, + const String8& name, uint32_t w, uint32_t h, uint32_t flags); + virtual ~LayerBlur(); + + virtual const char* getTypeId() const { return "LayerBlur"; } + virtual void onDraw(const sp<const DisplayDevice>& hw, const Region& clip, + bool useIdentityTransform); + virtual bool isOpaque(const Layer::State& /*s*/) const { return false; } + virtual bool isSecure() const { return false; } + virtual bool isFixedSize() const { return true; } + virtual bool isVisible() const; + + virtual bool isBlurLayer() const { return true; } + virtual bool setBlurMaskLayer(sp<Layer>& maskLayer); + virtual bool setBlurMaskSampling(int32_t sampling) { mBlurMaskSampling = sampling; return true; } + virtual bool setBlurMaskAlphaThreshold(float alpha) { mBlurMaskAlphaThreshold = alpha; return true; } + +private: +#ifdef UI_BLUR + qtiblur::BLUR_TOKEN mBlurToken; +#endif + wp<Layer> mBlurMaskLayer; + int32_t mBlurMaskSampling; + float mBlurMaskAlphaThreshold; + uint32_t mLastFrameSequence; + + class FBO { + public: + FBO() : fbo(0), width(0), height(0) {} + int fbo; + int width; + int height; + }; + + void initFbo(FBO& fbo, int width, int height, int textureName); + void releaseFbo(FBO& fbo); + void ensureFbo(FBO& fbo, int width, int height, int textureName); + + + FBO mFboCapture; + Texture mTextureCapture; + + Texture mTextureBlur; + + FBO mFboMasking; + Texture mTextureMasking; + + bool captureScreen(const sp<const DisplayDevice>& hw, + FBO& fbo, Texture& texture, int width, int height); + void doDrawFinal(const sp<const DisplayDevice>& hw, + int savedViewportWidth, int savedViewportHeight, + Rect savedProjectionSourceCrop, bool savedProjectionYSwap, + Transform::orientation_flags savedRotation, bool useIdentityTransform, + Texture* maskTexture); + bool drawMaskLayer(sp<Layer>& maskLayer, const sp<const DisplayDevice>& hw, + FBO& fbo, int width, int height, int sampling, Texture& texture); + +}; + +// --------------------------------------------------------------------------- + +}; // namespace android + +#endif // ANDROID_LAYER_BLUR_H |