[gegl/gsoc2011-opencl: 8/14] Loads OpenCL only once

[Victor Matheus de Araujo Oliveira <vmaolive src gnome org>]

commit 39643641be112436da06ebcd6b50298de8d78371
Author: Victor Matheus de A. Oliveira <victormatheus gmail com>
Date:   Sat May 14 15:12:50 2011 -0300

    Loads OpenCL only once
    
    Signed-off-by: Victor Oliveira <victormatheus gmail com>

 gegl/opencl/gegl-cl-init.c |   43 +++++++++++++++++++++++--------------------
 1 files changed, 23 insertions(+), 20 deletions(-)
---
diff --git a/gegl/opencl/gegl-cl-init.c b/gegl/opencl/gegl-cl-init.c
index 864f783..a3a7cde 100644
--- a/gegl/opencl/gegl-cl-init.c
+++ b/gegl/opencl/gegl-cl-init.c
@@ -40,30 +40,33 @@ gegl_cl_init (GError **error)
   cl_uint num_platforms;
   int i;
 
-  module = g_module_open ("libOpenCL.so", G_MODULE_BIND_LAZY);
-
-  if (!module)
+  if (!cl_is_accelerated)
     {
-      g_set_error (error, 0, 0,
-                   "%s", g_module_error ());
-      return FALSE;
-    }
+      module = g_module_open ("libOpenCL.so", G_MODULE_BIND_LAZY);
 
-  CL_LOAD_FUNCTION (clGetPlatformIDs)
-  CL_LOAD_FUNCTION (clGetPlatformInfo)
+      if (!module)
+        {
+          g_set_error (error, 0, 0,
+                       "%s", g_module_error ());
+          return FALSE;
+        }
 
-  cl_is_accelerated = TRUE;
+      CL_LOAD_FUNCTION (clGetPlatformIDs)
+      CL_LOAD_FUNCTION (clGetPlatformInfo)
 
-  gegl_clGetPlatformIDs (1024, platforms, &num_platforms);
-  for (i=0; i<num_platforms; i++)
-  {
-    gegl_clGetPlatformInfo (platforms[i], CL_PLATFORM_NAME, sizeof(buffer), buffer, NULL);
-    printf("Device ID:%u\n%s\n", i, buffer);
-    gegl_clGetPlatformInfo (platforms[i], CL_PLATFORM_VERSION, sizeof(buffer), buffer, NULL);
-    printf("Version:%s\n", buffer);
-    gegl_clGetPlatformInfo (platforms[i], CL_PLATFORM_EXTENSIONS, sizeof(buffer), buffer, NULL);
-    printf("Extensions:%s\n", buffer);
-  }
+      cl_is_accelerated = TRUE;
+
+      gegl_clGetPlatformIDs (1024, platforms, &num_platforms);
+      for (i=0; i<num_platforms; i++)
+        {
+          gegl_clGetPlatformInfo (platforms[i], CL_PLATFORM_NAME, sizeof(buffer), buffer, NULL);
+          printf("Device ID:%u\n%s\n", i, buffer);
+          gegl_clGetPlatformInfo (platforms[i], CL_PLATFORM_VERSION, sizeof(buffer), buffer, NULL);
+          printf("Version:%s\n", buffer);
+          gegl_clGetPlatformInfo (platforms[i], CL_PLATFORM_EXTENSIONS, sizeof(buffer), buffer, NULL);
+          printf("Extensions:%s\n", buffer);
+        }
+    }
 
   return TRUE;
 }