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test-cogl-materials: Test invalid layers with a constant color

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This adds a test using a layer with no texture but that replaces the
fragment color with the layer constant. This currently causes the test
to fail.

http://bugzilla.openedhand.com/show_bug.cgi?id=2132
This commit is contained in:
Neil Roberts 2010-05-19 23:42:40 +01:00
parent ff7ce2c5b2
commit 70abe3dd8a
1 changed files with 30 additions and 1 deletions
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31
tests/conform/test-cogl-materials.c
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@ -197,6 +197,32 @@ test_using_all_layers (TestState *state, int x, int y)
test_material_with_primitives (state, x, y, 0xff0000ff);
}
static void
test_invalid_texture_layers_with_constant_colors (TestState *state,
int x, int y)
{
CoglHandle material = cogl_material_new ();
CoglColor constant_color;
/* explicitly create a layer with an invalid handle */
cogl_material_set_layer (material, 0, COGL_INVALID_HANDLE);
/* ignore the fallback texture on the layer and use a constant color
instead */
cogl_color_set_from_4ub (&constant_color, 0, 0, 255, 255);
cogl_material_set_layer_combine (material, 0,
"RGBA=REPLACE(CONSTANT)",
NULL);
cogl_material_set_layer_combine_constant (material, 0, &constant_color);
cogl_set_source (material);
cogl_handle_unref (material);
/* We expect the final fragments to be green */
test_material_with_primitives (state, x, y, 0x0000ffff);
}
static void
on_paint (ClutterActor *actor, TestState *state)
{
@ -205,8 +231,11 @@ on_paint (ClutterActor *actor, TestState *state)
test_invalid_texture_layers (state,
0, 0 /* position */
);
test_invalid_texture_layers_with_constant_colors (state,
1, 0 /* position */
);
test_using_all_layers (state,
1, 0 /* position */
2, 0 /* position */
);
/* XXX: Experiments have shown that for some buggy drivers, when using