hybris/include/hybris/surface_flinger/surface_flinger_compatibility_layer.h

   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_