| 1 | /* |
| 2 | * Copyright (C) 2013 Canonical Ltd |
| 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 | * Authored by: Thomas Voss <thomas.voss@canonical.com> |
| 17 | */ |
| 18 | |
| 19 | #ifndef SURFACE_FLINGER_COMPATIBILITY_LAYER_H_ |
| 20 | #define SURFACE_FLINGER_COMPATIBILITY_LAYER_H_ |
| 21 | |
| 22 | #ifdef __cplusplus |
| 23 | extern "C" { |
| 24 | #endif |
| 25 | |
| 26 | #include <EGL/egl.h> |
| 27 | #include <EGL/eglext.h> |
| 28 | |
| 29 | struct SfClient; |
| 30 | struct SfSurface; |
| 31 | |
| 32 | enum |
| 33 | { |
| 34 | SURFACE_FLINGER_DEFAULT_DISPLAY_ID = 0 |
| 35 | }; |
| 36 | |
| 37 | void sf_blank(size_t display_id); |
| 38 | void sf_unblank(size_t display_id); |
| 39 | |
| 40 | size_t sf_get_display_width(size_t display_id); |
| 41 | size_t sf_get_display_height(size_t display_id); |
| 42 | |
| 43 | // The egl_support parameter disables the use of EGL inside the |
| 44 | // library. sf_client_create() enables the use of EGL by default. When |
| 45 | // disabled, the functions sf_client_get_egl_display(), |
| 46 | // sf_client_get_egl_config(), sf_surface_get_egl_surface(), |
| 47 | // sf_surface_make_current() and the create_egl_window_surface feature are |
| 48 | // not supported anymore. |
| 49 | struct SfClient* sf_client_create_full(int egl_support); |
| 50 | struct SfClient* sf_client_create(); |
| 51 | |
| 52 | EGLDisplay sf_client_get_egl_display(struct SfClient* display); |
| 53 | EGLConfig sf_client_get_egl_config(struct SfClient* client); |
| 54 | void sf_client_begin_transaction(struct SfClient*); |
| 55 | void sf_client_end_transaction(struct SfClient*); |
| 56 | |
| 57 | typedef struct |
| 58 | { |
| 59 | int x; |
| 60 | int y; |
| 61 | int w; |
| 62 | int h; |
| 63 | int format; |
| 64 | int layer; |
| 65 | float alpha; |
| 66 | int create_egl_window_surface; |
| 67 | const char* name; |
| 68 | } SfSurfaceCreationParameters; |
| 69 | |
| 70 | struct SfSurface* sf_surface_create(struct SfClient* client, |
| 71 | SfSurfaceCreationParameters* params); |
| 72 | EGLSurface sf_surface_get_egl_surface(struct SfSurface*); |
| 73 | EGLNativeWindowType sf_surface_get_egl_native_window(struct SfSurface*); |
| 74 | void sf_surface_make_current(struct SfSurface* surface); |
| 75 | |
| 76 | void sf_surface_move_to(struct SfSurface* surface, int x, int y); |
| 77 | void sf_surface_set_size(struct SfSurface* surface, int w, int h); |
| 78 | void sf_surface_set_layer(struct SfSurface* surface, int layer); |
| 79 | void sf_surface_set_alpha(struct SfSurface* surface, float alpha); |
| 80 | |
| 81 | #ifdef __cplusplus |
| 82 | } |
| 83 | #endif |
| 84 | |
| 85 | #endif // SURFACE_FLINGER_COMPATIBILITY_LAYER_H_ |