commit c1e3ec555b79b1e45fccbdf0bbc8ac2d51902860
author Mathias Agopian <mathias@google.com> Wed Jun 24 22:37:39 2009 -0700
committer Mathias Agopian <mathias@google.com> Thu Jun 25 00:02:44 2009 -0700
tree 67d08ce1adc9ddfedc790b907ef3de15041e00d9
parent 3a7e1832ac940cf5b8f92d3c3e8e8e5303c3c34e

Add eglGetRenderBufferANDROID() extension, which returns the current render buffer as an android_native_buffer_t*

opengl/libagl/egl.cpp

diff --git a/opengl/libagl/egl.cpp b/opengl/libagl/egl.cpp
index c6d5057..f6ffc53 100644
--- a/opengl/libagl/egl.cpp
+++ b/opengl/libagl/egl.cpp
@@ -158,6 +158,7 @@
     virtual     EGLint      getSwapBehavior() const;
     virtual     EGLBoolean  swapBuffers();
     virtual     EGLBoolean  setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h);
+    virtual     EGLClientBuffer getRenderBuffer() const;
 protected:
     GGLSurface              depth;
 };
@@ -196,6 +197,9 @@
 {
     return EGL_FALSE;
 }
+EGLClientBuffer egl_surface_t::getRenderBuffer() const {
+    return 0;
+}
 
 // ----------------------------------------------------------------------------
 
@@ -221,7 +225,8 @@
     virtual     EGLint      getRefreshRate() const;
     virtual     EGLint      getSwapBehavior() const;
     virtual     EGLBoolean  setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h);
-
+    virtual     EGLClientBuffer  getRenderBuffer() const;
+    
 private:
     status_t lock(android_native_buffer_t* buf, int usage, void** vaddr);
     status_t unlock(android_native_buffer_t* buf);
@@ -524,18 +529,24 @@
     return EGL_TRUE;
 }
 
+EGLClientBuffer egl_window_surface_v2_t::getRenderBuffer() const
+{
+    return buffer;
+}
+
 #ifdef LIBAGL_USE_GRALLOC_COPYBITS
 
 static bool supportedCopybitsDestinationFormat(int format) {
-    // Hardware supported and no destination alpha
+    // Hardware supported
     switch (format) {
     case HAL_PIXEL_FORMAT_RGB_565:
-    case HAL_PIXEL_FORMAT_YCbCr_422_SP:
-    case HAL_PIXEL_FORMAT_YCbCr_420_SP:
+    case HAL_PIXEL_FORMAT_RGBA_8888:
+    case HAL_PIXEL_FORMAT_RGBA_4444:
+    case HAL_PIXEL_FORMAT_RGBA_5551:
+    case HAL_PIXEL_FORMAT_BGRA_8888:
         return true;
-    default:
-        return false;
     }
+    return false;
 }
 #endif
 
@@ -778,6 +789,7 @@
         // "KHR_image_pixmap "
         "EGL_ANDROID_image_native_buffer "
         "EGL_ANDROID_swap_rectangle "
+        "EGL_ANDROID_get_render_buffer "
         ;
 
 // ----------------------------------------------------------------------------
@@ -824,6 +836,14 @@
             (__eglMustCastToProperFunctionPointerType)&glDeleteBuffers },
     { "glGenBuffers",
             (__eglMustCastToProperFunctionPointerType)&glGenBuffers },
+    { "eglCreateImageKHR",  
+            (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, 
+    { "eglDestroyImageKHR", 
+            (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, 
+    { "eglSetSwapRectangleANDROID", 
+            (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID }, 
+    { "eglGetRenderBufferANDROID", 
+            (__eglMustCastToProperFunctionPointerType)&eglGetRenderBufferANDROID }, 
 };
 
 /*
@@ -1984,3 +2004,16 @@
 
     return EGL_TRUE;
 }
+
+EGLClientBuffer eglGetRenderBufferANDROID(EGLDisplay dpy, EGLSurface draw)
+{
+    if (egl_display_t::is_valid(dpy) == EGL_FALSE)
+        return setError(EGL_BAD_DISPLAY, (EGLClientBuffer)0);
+
+    egl_surface_t* d = static_cast<egl_surface_t*>(draw);
+    if (d->dpy != dpy)
+        return setError(EGL_BAD_DISPLAY, (EGLClientBuffer)0);
+
+    // post the surface
+    return d->getRenderBuffer();
+}