[cogl] tests: Move the create_color_texture function to test-utils

[Neil Roberts <nroberts src gnome org>]

commit d7164f9579d92f383fb6e7db26cfcd92a93f63b6
Author: Neil Roberts <neil linux intel com>
Date:   Fri Feb 10 16:57:24 2012 +0000

    tests: Move the create_color_texture function to test-utils
    
    This adds a shared utility function to create a 1x1 texture with a
    given color.
    
    Reviewed-by: Robert Bragg <robert linux intel com>

 tests/conform/test-sparse-pipeline.c |   23 ++---------------------
 tests/conform/test-utils.c           |   17 +++++++++++++++++
 tests/conform/test-utils.h           |   11 +++++++++++
 3 files changed, 30 insertions(+), 21 deletions(-)
---
diff --git a/tests/conform/test-sparse-pipeline.c b/tests/conform/test-sparse-pipeline.c
index 433c0ba..ec8c987 100644
--- a/tests/conform/test-sparse-pipeline.c
+++ b/tests/conform/test-sparse-pipeline.c
@@ -11,25 +11,6 @@ typedef struct _TestState
   CoglFramebuffer *fb;
 } TestState;
 
-static CoglTexture *
-create_color_texture (CoglContext *context,
-                      guint32 color)
-{
-  CoglTexture2D *tex_2d;
-
-  color = GUINT32_TO_BE (color);
-
-  tex_2d = cogl_texture_2d_new_from_data (context,
-                                          1, 1, /* width/height */
-                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
-                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
-                                          4, /* rowstride */
-                                          (guint8 *) &color,
-                                          NULL);
-
-  return COGL_TEXTURE (tex_2d);
-}
-
 static void
 test_sparse_layer_combine (TestState *state)
 {
@@ -43,8 +24,8 @@ test_sparse_layer_combine (TestState *state)
      creating a pipeline with very large layer numbers. This should
      end up being mapped to much smaller unit numbers */
 
-  tex1 = create_color_texture (state->context, 0xff0000ff);
-  tex2 = create_color_texture (state->context, 0x00ff00ff);
+  tex1 = test_utils_create_color_texture (state->context, 0xff0000ff);
+  tex2 = test_utils_create_color_texture (state->context, 0x00ff00ff);
 
   pipeline = cogl_pipeline_new ();
 
diff --git a/tests/conform/test-utils.c b/tests/conform/test-utils.c
index a5ba891..61e5c01 100644
--- a/tests/conform/test-utils.c
+++ b/tests/conform/test-utils.c
@@ -151,4 +151,21 @@ test_utils_check_region (int x, int y,
   g_free (pixels);
 }
 
+CoglTexture *
+test_utils_create_color_texture (CoglContext *context,
+                                 guint32 color)
+{
+  CoglTexture2D *tex_2d;
+
+  color = GUINT32_TO_BE (color);
 
+  tex_2d = cogl_texture_2d_new_from_data (context,
+                                          1, 1, /* width/height */
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          4, /* rowstride */
+                                          (guint8 *) &color,
+                                          NULL);
+
+  return COGL_TEXTURE (tex_2d);
+}
diff --git a/tests/conform/test-utils.h b/tests/conform/test-utils.h
index c530374..9bc8e20 100644
--- a/tests/conform/test-utils.h
+++ b/tests/conform/test-utils.h
@@ -101,4 +101,15 @@ test_utils_check_region (int x, int y,
 void
 test_utils_compare_pixel (const guint8 *screen_pixel, guint32 expected_pixel);
 
+/*
+ * test_utils_create_color_texture:
+ * @context: A #CoglContext
+ * @color: A color to put in the texture
+ *
+ * Creates a 1x1-pixel RGBA texture filled with the given color.
+ */
+CoglTexture *
+test_utils_create_color_texture (CoglContext *context,
+                                 guint32 color);
+
 #endif /* _TEST_UTILS_H_ */