From f2d8241f014ea0f7f0a82cda9992986c93ed7962 Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Fri, 1 Oct 2010 15:27:42 -0400
Subject: android: Add Android EGL extensions.

---
 include/EGL/eglext.h      | 14 ++++++++++++++
 src/egl/main/eglapi.c     | 25 +++++++++++++++++++++++++
 src/egl/main/eglapi.h     |  8 ++++++++
 src/egl/main/egldisplay.h |  3 +++
 src/egl/main/eglmisc.c    |  3 +++
 5 files changed, 53 insertions(+)

diff --git a/include/EGL/eglext.h b/include/EGL/eglext.h
index fa523a51d6..44bae42e08 100644
--- a/include/EGL/eglext.h
+++ b/include/EGL/eglext.h
@@ -390,6 +390,20 @@ typedef EGLBoolean (EGLAPIENTRYP PFNEGLSWAPBUFFERSREGIONNOK) (EGLDisplay dpy, EG
 #define EGL_Y_INVERTED_NOK			0x307F
 #endif /* EGL_NOK_texture_from_pixmap */
 
+#ifndef EGL_ANDROID_image_native_buffer
+#define EGL_ANDROID_image_native_buffer 1
+struct android_native_buffer_t;
+#define EGL_NATIVE_BUFFER_ANDROID       0x3140  /* eglCreateImageKHR target */
+#endif
+
+#ifndef EGL_ANDROID_swap_rectangle
+#define EGL_ANDROID_swap_rectangle 1
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglSetSwapRectangleANDROID (EGLDisplay dpy, EGLSurface draw, EGLint left, EGLint top, EGLint width, EGLint height);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLSETSWAPRECTANGLEANDROIDPROC) (EGLDisplay dpy, EGLSurface draw, EGLint left, EGLint top, EGLint width, EGLint height);
+#endif
+
 
 #ifdef __cplusplus
 }
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 19dfd57426..90f622690c 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -917,6 +917,9 @@ eglGetProcAddress(const char *procname)
 #ifdef EGL_WL_bind_display
       { "eglBindWaylandDisplayWL", (_EGLProc) eglBindWaylandDisplayWL },
       { "eglUnbindWaylandDisplayWL", (_EGLProc) eglUnbindWaylandDisplayWL },
+#endif
+#ifdef EGL_ANDROID_swap_rectangle
+      { "eglSetSwapRectangleANDROID", (_EGLProc) eglSetSwapRectangleANDROID },
 #endif
       { NULL, NULL }
    };
@@ -1535,3 +1538,25 @@ eglUnbindWaylandDisplayWL(EGLDisplay dpy, struct wl_display *display)
    RETURN_EGL_EVAL(disp, ret);
 }
 #endif
+
+#ifdef EGL_ANDROID_swap_rectangle
+EGLBoolean EGLAPIENTRY
+eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw,
+                           EGLint left, EGLint top,
+                           EGLint width, EGLint height)
+{
+   _EGLDisplay *disp = _eglLockDisplay(dpy);
+   _EGLSurface *surf = _eglLookupSurface(draw, disp);
+   _EGLDriver *drv;
+   EGLBoolean ret;
+
+   _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
+
+   if (!disp->Extensions.ANDROID_swap_rectangle)
+      RETURN_EGL_EVAL(disp, EGL_FALSE);
+
+   ret = drv->API.SetSwapRectangleANDROID(drv, disp, surf, left, top, width, height);
+
+   RETURN_EGL_EVAL(disp, ret);
+}
+#endif
diff --git a/src/egl/main/eglapi.h b/src/egl/main/eglapi.h
index c9913f10a1..cb83bc03d1 100644
--- a/src/egl/main/eglapi.h
+++ b/src/egl/main/eglapi.h
@@ -101,6 +101,10 @@ typedef EGLBoolean (*BindWaylandDisplayWL_t)(_EGLDriver *drv, _EGLDisplay *disp,
 typedef EGLBoolean (*UnbindWaylandDisplayWL_t)(_EGLDriver *drv, _EGLDisplay *disp, struct wl_display *display);
 #endif
 
+#ifdef EGL_ANDROID_swap_rectangle
+typedef EGLBoolean (*SetSwapRectangleANDROID_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw, EGLint left, EGLint top, EGLint width, EGLint height);
+#endif
+
 /**
  * The API dispatcher jumps through these functions
  */
@@ -180,6 +184,10 @@ struct _egl_api
    BindWaylandDisplayWL_t BindWaylandDisplayWL;
    UnbindWaylandDisplayWL_t UnbindWaylandDisplayWL;
 #endif
+
+#ifdef EGL_ANDROID_swap_rectangle
+   SetSwapRectangleANDROID_t SetSwapRectangleANDROID;
+#endif
 };
 
 #endif /* EGLAPI_INCLUDED */
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index b1547e42d4..8bbb9e9e43 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -78,6 +78,9 @@ struct _egl_extensions
 
    EGLBoolean NOK_swap_region;
    EGLBoolean NOK_texture_from_pixmap;
+
+   EGLBoolean ANDROID_image_native_buffer;
+   EGLBoolean ANDROID_swap_rectangle;
 };
 
 
diff --git a/src/egl/main/eglmisc.c b/src/egl/main/eglmisc.c
index 6bb2498eef..32f0c039e8 100644
--- a/src/egl/main/eglmisc.c
+++ b/src/egl/main/eglmisc.c
@@ -111,6 +111,9 @@ _eglUpdateExtensionsString(_EGLDisplay *dpy)
 
    _EGL_CHECK_EXTENSION(NOK_swap_region);
    _EGL_CHECK_EXTENSION(NOK_texture_from_pixmap);
+
+   _EGL_CHECK_EXTENSION(ANDROID_image_native_buffer);
+   _EGL_CHECK_EXTENSION(ANDROID_swap_rectangle);
 #undef _EGL_CHECK_EXTENSION
 }
 
-- 
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