LayerDim.h revision be48137beb68893870c26b7f8c59eac5d0bf517a 
1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_LAYER_DIM_H
18#define ANDROID_LAYER_DIM_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <EGL/egl.h>
24#include <EGL/eglext.h>
25
26#include "LayerBase.h"
27
28// ---------------------------------------------------------------------------
29
30namespace android {
31
32class LayerDim : public LayerBaseClient
33{
34    static bool sUseTexture;
35    static GLuint sTexId;
36    static EGLImageKHR sImage;
37    static int32_t sWidth;
38    static int32_t sHeight;
39public:
40    static const uint32_t typeInfo;
41    static const char* const typeID;
42    virtual char const* getTypeID() const { return typeID; }
43    virtual uint32_t getTypeInfo() const { return typeInfo; }
44
45                LayerDim(SurfaceFlinger* flinger, DisplayID display,
46                        const sp<Client>& client, int32_t i);
47        virtual ~LayerDim();
48
49    virtual void onDraw(const Region& clip) const;
50    virtual bool needsBlending() const  { return true; }
51    virtual bool isSecure() const       { return false; }
52
53    static void initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h);
54};
55
56// ---------------------------------------------------------------------------
57
58}; // namespace android
59
60#endif // ANDROID_LAYER_DIM_H
61