| The Android Open Source Project | 7c1b96a | 2008-10-21 07:00:00 -0700 | [diff] [blame^] | 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_DISPLAY_HARDWARE_H |
| 18 | #define ANDROID_DISPLAY_HARDWARE_H |
| 19 | |
| 20 | #include <stdlib.h> |
| 21 | |
| 22 | #include <ui/PixelFormat.h> |
| 23 | #include <ui/Region.h> |
| 24 | |
| 25 | #include <GLES/egl.h> |
| 26 | |
| 27 | #include "DisplayHardware/DisplayHardwareBase.h" |
| 28 | |
| 29 | struct copybit_image_t; |
| 30 | struct copybit_t; |
| 31 | |
| 32 | namespace android { |
| 33 | |
| 34 | class EGLDisplaySurface; |
| 35 | |
| 36 | class DisplayHardware : public DisplayHardwareBase |
| 37 | { |
| 38 | public: |
| 39 | enum { |
| 40 | COPY_BACK_EXTENSION = 0x00000001, |
| 41 | DIRECT_TEXTURE = 0x00000002, |
| 42 | SWAP_RECTANGLE_EXTENSION= 0x00000004, |
| 43 | COPY_BITS_EXTENSION = 0x00000008, |
| 44 | NPOT_EXTENSION = 0x00000100, |
| 45 | DRAW_TEXTURE_EXTENSION = 0x00000200, |
| 46 | BUFFER_PRESERVED = 0x00010000, |
| 47 | UPDATE_ON_DEMAND = 0x00020000, // video driver feature |
| 48 | SLOW_CONFIG = 0x00040000, // software |
| 49 | }; |
| 50 | |
| 51 | DisplayHardware( |
| 52 | const sp<SurfaceFlinger>& flinger, |
| 53 | uint32_t displayIndex); |
| 54 | |
| 55 | ~DisplayHardware(); |
| 56 | |
| 57 | void releaseScreen() const; |
| 58 | void acquireScreen() const; |
| 59 | |
| 60 | // Flip the front and back buffers if the back buffer is "dirty". Might |
| 61 | // be instantaneous, might involve copying the frame buffer around. |
| 62 | void flip(const Region& dirty) const; |
| 63 | |
| 64 | float getDpiX() const; |
| 65 | float getDpiY() const; |
| 66 | float getRefreshRate() const; |
| 67 | int getWidth() const; |
| 68 | int getHeight() const; |
| 69 | PixelFormat getFormat() const; |
| 70 | uint32_t getFlags() const; |
| 71 | void makeCurrent() const; |
| 72 | |
| 73 | uint32_t getPageFlipCount() const; |
| 74 | void getDisplaySurface(copybit_image_t* img) const; |
| 75 | void getDisplaySurface(GGLSurface* fb) const; |
| 76 | EGLDisplay getEGLDisplay() const { return mDisplay; } |
| 77 | copybit_t* getBlitEngine() const { return mBlitEngine; } |
| 78 | |
| 79 | Rect bounds() const { |
| 80 | return Rect(mWidth, mHeight); |
| 81 | } |
| 82 | |
| 83 | private: |
| 84 | void init(uint32_t displayIndex) __attribute__((noinline)); |
| 85 | void fini() __attribute__((noinline)); |
| 86 | |
| 87 | EGLDisplay mDisplay; |
| 88 | EGLSurface mSurface; |
| 89 | EGLContext mContext; |
| 90 | EGLConfig mConfig; |
| 91 | float mDpiX; |
| 92 | float mDpiY; |
| 93 | float mRefreshRate; |
| 94 | int mWidth; |
| 95 | int mHeight; |
| 96 | PixelFormat mFormat; |
| 97 | uint32_t mFlags; |
| 98 | mutable Region mDirty; |
| 99 | sp<EGLDisplaySurface> mDisplaySurface; |
| 100 | copybit_t* mBlitEngine; |
| 101 | }; |
| 102 | |
| 103 | }; // namespace android |
| 104 | |
| 105 | #endif // ANDROID_DISPLAY_HARDWARE_H |