From 0d4dcb25842739d586debb3472ceb90589fe741b 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      | 22 ++++++++++++++++++++
 src/egl/main/eglapi.c     | 52 +++++++++++++++++++++++++++++++++++++++++++++++
 src/egl/main/eglapi.h     | 15 ++++++++++++++
 src/egl/main/egldisplay.h |  4 ++++
 src/egl/main/eglmisc.c    |  4 ++++
 5 files changed, 97 insertions(+)

diff --git a/include/EGL/eglext.h b/include/EGL/eglext.h
index 04603931b3..891152572d 100644
--- a/include/EGL/eglext.h
+++ b/include/EGL/eglext.h
@@ -376,6 +376,28 @@ 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_get_render_buffer
+#define EGL_ANDROID_get_render_buffer 1
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLClientBuffer EGLAPIENTRY eglGetRenderBufferANDROID(EGLDisplay dpy, EGLSurface draw);
+#endif
+typedef EGLClientBuffer (EGLAPIENTRYP PFNEGLGETRENDERBUFFERANDROIDPROC) (EGLDisplay dpy, EGLSurface draw);
+#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 efa9e97346..c339e6ebeb 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -916,6 +916,12 @@ eglGetProcAddress(const char *procname)
 #ifdef EGL_MESA_drm_image
       { "eglCreateDRMImageMESA", (_EGLProc) eglCreateDRMImageMESA },
       { "eglExportDRMImageMESA", (_EGLProc) eglExportDRMImageMESA },
+#endif
+#ifdef EGL_ANDROID_swap_rectangle
+      { "eglSetSwapRectangleANDROID", (_EGLProc) eglSetSwapRectangleANDROID },
+#endif
+#ifdef EGL_ANDROID_get_render_buffer
+      { "eglGetRenderBufferANDROID", (_EGLProc) eglGetRenderBufferANDROID },
 #endif
       { NULL, NULL }
    };
@@ -1494,3 +1500,49 @@ eglExportDRMImageMESA(EGLDisplay dpy, EGLImageKHR image,
 }
 
 #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
+
+#ifdef EGL_ANDROID_get_render_buffer
+
+EGLClientBuffer EGLAPIENTRY
+eglGetRenderBufferANDROID(EGLDisplay dpy, EGLSurface draw)
+{
+   _EGLDisplay *disp = _eglLockDisplay(dpy);
+   _EGLSurface *surf = _eglLookupSurface(draw, disp);
+   _EGLDriver *drv;
+   EGLClientBuffer ret;
+
+   _EGL_CHECK_SURFACE(disp, surf, NULL, drv);
+
+   if (!disp->Extensions.ANDROID_get_render_buffer)
+      RETURN_EGL_EVAL(disp, NULL);
+
+   ret = drv->API.GetRenderBufferANDROID(drv, disp, surf);
+
+   RETURN_EGL_EVAL(disp, ret);
+}
+
+#endif
diff --git a/src/egl/main/eglapi.h b/src/egl/main/eglapi.h
index 127becc9ac..96db72c70f 100644
--- a/src/egl/main/eglapi.h
+++ b/src/egl/main/eglapi.h
@@ -95,6 +95,14 @@ typedef _EGLImage *(*CreateDRMImageMESA_t)(_EGLDriver *drv, _EGLDisplay *disp, c
 typedef EGLBoolean (*ExportDRMImageMESA_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img, EGLint *name, EGLint *handle, EGLint *stride);
 #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
+
+#ifdef EGL_ANDROID_get_render_buffer
+typedef EGLClientBuffer (*GetRenderBufferANDROID_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw);
+#endif
+
 /**
  * The API dispatcher jumps through these functions
  */
@@ -169,6 +177,13 @@ struct _egl_api
    CreateDRMImageMESA_t CreateDRMImageMESA;
    ExportDRMImageMESA_t ExportDRMImageMESA;
 #endif
+
+#ifdef EGL_ANDROID_swap_rectangle
+   SetSwapRectangleANDROID_t SetSwapRectangleANDROID;
+#endif
+#ifdef EGL_ANDROID_get_render_buffer
+   GetRenderBufferANDROID_t GetRenderBufferANDROID;
+#endif
 };
 
 #endif /* EGLAPI_INCLUDED */
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index 054c138c9e..b409ade827 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -76,6 +76,10 @@ struct _egl_extensions
    EGLBoolean NOK_swap_region;
    EGLBoolean NOK_texture_from_pixmap;
 
+   EGLBoolean ANDROID_image_native_buffer;
+   EGLBoolean ANDROID_swap_rectangle;
+   EGLBoolean ANDROID_get_render_buffer;
+
    char String[_EGL_MAX_EXTENSIONS_LEN];
 };
 
diff --git a/src/egl/main/eglmisc.c b/src/egl/main/eglmisc.c
index bbb96a908e..de20d249c3 100644
--- a/src/egl/main/eglmisc.c
+++ b/src/egl/main/eglmisc.c
@@ -107,6 +107,10 @@ _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);
+   _EGL_CHECK_EXTENSION(ANDROID_get_render_buffer);
 #undef _EGL_CHECK_EXTENSION
 }
 
-- 
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