[gegl/gsoc2011-opencl-2: 17/19] Simple test which runs Brightness-Constrast with OpenCL

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

commit d61a0241193fd458763da720224e53161423227e
Author: Victor Oliveira <victormatheus gmail com>
Date:   Fri Nov 18 17:11:51 2011 -0200

    Simple test which runs Brightness-Constrast with OpenCL

 tests/opencl/Makefile.am                   |   31 ++++++++++
 tests/opencl/test-cl-brightness-contrast.c |   86 ++++++++++++++++++++++++++++
 2 files changed, 117 insertions(+), 0 deletions(-)
---
diff --git a/tests/opencl/Makefile.am b/tests/opencl/Makefile.am
new file mode 100644
index 0000000..fc67625
--- /dev/null
+++ b/tests/opencl/Makefile.am
@@ -0,0 +1,31 @@
+# Make the tests run against the build and not the installation
+TESTS_ENVIRONMENT = \
+	GEGL_PATH=$(top_builddir)/operations/common:$(top_builddir)/operations/core:$(top_builddir)/operations/external:$(top_builddir)/operations/affine:$(top_builddir)/operations/generated \
+	ABS_TOP_BUILDDIR=$(top_builddir) \
+	ABS_TOP_SRCDIR=$(top_srcdir)
+
+# The tests
+noinst_PROGRAMS = \
+	test-cl-brightness-contrast
+
+TESTS = $(noinst_PROGRAMS)
+
+# Common CPPFLAGS
+AM_CPPFLAGS = \
+	-I$(top_srcdir) \
+	-I$(top_builddir)/gegl \
+	-I$(top_srcdir)/gegl \
+	-I$(top_builddir)/gegl/buffer \
+	-I$(top_srcdir)/gegl/buffer \
+	-I$(top_builddir)/gegl/property-types \
+	-I$(top_srcdir)/gegl/property-types \
+	-I$(top_builddir)/gegl/operation \
+	-I$(top_srcdir)/gegl/operation \
+	-I$(top_builddir)/gegl/opencl \
+	-I$(top_srcdir)/gegl/opencl
+
+AM_CFLAGS = $(DEP_CFLAGS) $(BABL_CFLAGS)
+
+# Common libs
+LIBS = $(top_builddir)/gegl/libgegl-$(GEGL_API_VERSION).la	\
+	$(DEP_LIBS) $(BABL_LIBS)
diff --git a/tests/opencl/test-cl-brightness-contrast.c b/tests/opencl/test-cl-brightness-contrast.c
new file mode 100644
index 0000000..f626b5a
--- /dev/null
+++ b/tests/opencl/test-cl-brightness-contrast.c
@@ -0,0 +1,86 @@
+/* This file is part of GEGL.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with GEGL; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Copyright 2011 Victor M. de Araujo Oliveira <victormatheus gmail com>
+ */
+
+#include <string.h>
+#include <assert.h>
+#include <babl/babl.h>
+#include <sys/time.h>
+
+#include "gegl.h"
+#include "gegl-types.h"
+#include "gegl-utils.h"
+#include "gegl-cl-init.h"
+#include "gegl-cl-texture.h"
+
+#define SUCCESS 0
+#define FAILURE (-1)
+
+gint
+main (gint    argc,
+      gchar **argv)
+{
+  gint retval = SUCCESS;
+
+  gfloat brightness = 2.0f;
+  gfloat contrast   = 0.5f;
+
+  GeglBuffer *buffer;
+
+  char image_name[1000] = "GEGL.png";
+  if (argc > 1)
+    strcpy(image_name, argv[1]);
+
+  gegl_init (&argc, &argv);
+
+  g_printf("\nload\n");
+
+  /* load */
+  {
+    GeglNode *gegl, *sink,  *load;
+
+    gegl = gegl_graph (sink = gegl_node ("gegl:buffer-sink", "buffer", &buffer,
+                                           "format",  babl_format ("RGBA float"), NULL,
+                       load = gegl_node ("gegl:load", "path", image_name, NULL)));
+
+    gegl_node_process (sink);
+    g_object_unref (gegl);
+  }
+
+  g_printf("\nprocess\n");
+
+  /* process */
+  {
+    GeglNode *gegl, *sink, *bc,  *load;
+
+    gegl = gegl_graph(sink  = gegl_node ("gegl:png-save", "path", "out.png", NULL,
+                        bc  = gegl_node ("gegl:brightness-contrast",
+                                         "brightness", brightness,
+                                         "contrast", contrast, NULL,
+                       load = gegl_node ("gegl:buffer-source", "buffer", buffer, NULL))));
+
+    gegl_node_process (sink);
+    g_object_unref (gegl);
+  }
+
+  gegl_buffer_destroy (buffer);
+  g_object_run_dispose ((GObject*)buffer);
+
+  gegl_exit ();
+
+  return retval;
+}