xlib: option to enable/test meta functions (disabled)
diff --git a/src/mesa/drivers/x11/xm_api.c b/src/mesa/drivers/x11/xm_api.c
index 6ae5b6f..1eb31b9 100644
--- a/src/mesa/drivers/x11/xm_api.c
+++ b/src/mesa/drivers/x11/xm_api.c
@@ -79,6 +79,7 @@
 #include "tnl/t_context.h"
 #include "tnl/t_pipeline.h"
 #include "drivers/common/driverfuncs.h"
+#include "drivers/common/meta.h"
 
 /**
  * Global X driver lock
@@ -1641,6 +1642,9 @@
    xmesa_register_swrast_functions( mesaCtx );
    _swsetup_Wakeup(mesaCtx);
 
+   if (TEST_META_FUNCS)
+      _mesa_meta_init(mesaCtx);
+
    return c;
 }
 
@@ -1655,6 +1659,9 @@
    FXdestroyContext( XMESA_BUFFER(mesaCtx->DrawBuffer) );
 #endif
 
+   if (TEST_META_FUNCS)
+      _mesa_meta_free( mesaCtx );
+
    _swsetup_DestroyContext( mesaCtx );
    _swrast_DestroyContext( mesaCtx );
    _tnl_DestroyContext( mesaCtx );
diff --git a/src/mesa/drivers/x11/xm_dd.c b/src/mesa/drivers/x11/xm_dd.c
index 9a01465..7ee88e8 100644
--- a/src/mesa/drivers/x11/xm_dd.c
+++ b/src/mesa/drivers/x11/xm_dd.c
@@ -51,6 +51,7 @@
 #include "swrast_setup/swrast_setup.h"
 #include "tnl/tnl.h"
 #include "tnl/t_context.h"
+#include "drivers/common/meta.h"
 #include "xmesaP.h"
 
 
@@ -1147,13 +1148,19 @@
    driver->IndexMask = index_mask;
    driver->ColorMask = color_mask;
    driver->Enable = enable;
-   driver->Clear = clear_buffers;
+   if (TEST_META_FUNCS)
+      driver->Clear = _mesa_meta_clear;
+   else
+      driver->Clear = clear_buffers;
    driver->Viewport = xmesa_viewport;
 #ifndef XFree86Server
    driver->CopyPixels = xmesa_CopyPixels;
-   if (xmvisual->undithered_pf == PF_8R8G8B &&
-       xmvisual->dithered_pf == PF_8R8G8B &&
-       xmvisual->BitsPerPixel == 32) {
+   if (TEST_META_FUNCS) {
+      driver->DrawPixels = _mesa_meta_draw_pixels;
+   }
+   else if (xmvisual->undithered_pf == PF_8R8G8B &&
+            xmvisual->dithered_pf == PF_8R8G8B &&
+            xmvisual->BitsPerPixel == 32) {
       driver->DrawPixels = xmesa_DrawPixels_8R8G8B;
    }
    else if (xmvisual->undithered_pf == PF_5R6G5B) {
diff --git a/src/mesa/drivers/x11/xmesaP.h b/src/mesa/drivers/x11/xmesaP.h
index 65e747d..25db558 100644
--- a/src/mesa/drivers/x11/xmesaP.h
+++ b/src/mesa/drivers/x11/xmesaP.h
@@ -581,4 +581,8 @@
 #define ENABLE_EXT_timer_query 0 /* may not have 64-bit GLuint64EXT */
 #endif
 
+
+#define TEST_META_FUNCS 0
+
+
 #endif