From 00b365bc78c131bfd1c19bb22ac55e36f4e8f3c5 Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Fri, 1 Oct 2010 15:27:42 -0400
Subject: [PATCH] egl: add Android-specific extensions

Add EGL_ANDROID_image_native_buffer and EGL_ANDROID_swap_rectangle.
There is no spec for them though.

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Chad Versace <chad@chad-versace.us>
---
 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 9915b8c..0449ae2 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 5d186c6..3cb1a5b 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -948,6 +948,9 @@ eglGetProcAddress(const char *procname)
       { "eglBindWaylandDisplayWL", (_EGLProc) eglBindWaylandDisplayWL },
       { "eglUnbindWaylandDisplayWL", (_EGLProc) eglUnbindWaylandDisplayWL },
 #endif
+#ifdef EGL_ANDROID_swap_rectangle
+      { "eglSetSwapRectangleANDROID", (_EGLProc) eglSetSwapRectangleANDROID },
+#endif
       { NULL, NULL }
    };
    EGLint i;
@@ -1565,3 +1568,25 @@ 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 4fcbe40..1e0aef6 100644
--- a/src/egl/main/eglapi.h
+++ b/src/egl/main/eglapi.h
@@ -131,6 +131,10 @@ 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
  */
@@ -210,6 +214,10 @@ 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 f0815d0..cddea80 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -108,6 +108,9 @@ 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 da189b6..ab48bc6 100644
--- a/src/egl/main/eglmisc.c
+++ b/src/egl/main/eglmisc.c
@@ -113,6 +113,9 @@ _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
 }
 
-- 
2.7.4