static void
assert_rectangle_color_and_black_border (int x,
int y,
int width,
int height,
guint8 red,
guint8 green,
guint8 blue)
{
/* check the rectangle itself... */
assert_region_color (x, y, width, height, red, green, blue, 0xff);
/* black to left of the rectangle */
assert_region_color (x-10, y-10, 10, height+20, 0x00, 0x00, 0x00, 0xff);
/* black to right of the rectangle */
assert_region_color (x+width, y-10, 10, height+20, 0x00, 0x00, 0x00, 0xff);
/* black above the rectangle */
assert_region_color (x-10, y-10, width+20, 10, 0x00, 0x00, 0x00, 0xff);
/* and black below the rectangle */
assert_region_color (x-10, y+height, width+20, 10, 0x00, 0x00, 0x00, 0xff);
}
static void
on_paint (ClutterActor *actor, TestState *state)
{
CoglHandle tex0, tex1;
CoglHandle material;
gboolean status;
GError *error = NULL;
float tex_coords[] = {
0, 0, 0.5, 0.5, /* tex0 */
0.5, 0.5, 1, 1 /* tex1 */
};
/* XXX:
* We haven't always had good luck with GL drivers implementing glReadPixels
* reliably and skipping the first two frames improves our chances... */
if (state->frame++ <= 2)
{
g_usleep (G_USEC_PER_SEC);
return;
}
tex0 = make_texture (0x00);
tex1 = make_texture (0x11);
material = cogl_material_new ();
/* An arbitrary color which should be replaced by the first texture layer */
cogl_material_set_color4ub (material, 0x80, 0x80, 0x80, 0x80);
cogl_material_set_blend (material, "RGBA = ADD (SRC_COLOR, 0)", NULL);
cogl_material_set_layer (material, 0, tex0);
cogl_material_set_layer_combine (material, 0,
"RGBA = REPLACE (TEXTURE)", NULL);
cogl_material_set_layer (material, 1, tex1);
status = cogl_material_set_layer_combine (material, 1,
"RGBA = ADD (PREVIOUS, TEXTURE)",
&error);
if (!status)
{
/* It's not strictly a test failure; you need a more capable GPU or
* driver to test this texture combine string. */
g_debug ("Failed to setup texture combine string "
"RGBA = ADD (PREVIOUS, TEXTURE): %s",
error->message);
}
cogl_set_source (material);
cogl_rectangle_with_multitexture_coords (0, 0, QUAD_WIDTH, QUAD_WIDTH,
tex_coords, 8);
cogl_handle_unref (material);
cogl_handle_unref (tex0);
cogl_handle_unref (tex1);
/* See what we got... */
assert_region_color (0, 0, QUAD_WIDTH, QUAD_WIDTH,
0x55, 0x55, 0x55, 0x55);
/* Comment this out if you want visual feedback for what this test paints */
#if 1
clutter_main_quit ();
#endif
}
static void
on_paint (ClutterActor *actor, TestState *state)
{
CoglHandle tex0, tex1;
CoglHandle material;
gboolean status;
GError *error = NULL;
float tex_coords[] = {
0, 0, 0.5, 0.5, /* tex0 */
0.5, 0.5, 1, 1 /* tex1 */
};
tex0 = make_texture (0x00);
tex1 = make_texture (0x11);
material = cogl_material_new ();
/* An arbitrary color which should be replaced by the first texture layer */
cogl_material_set_color4ub (material, 0x80, 0x80, 0x80, 0x80);
cogl_material_set_blend (material, "RGBA = ADD (SRC_COLOR, 0)", NULL);
cogl_material_set_layer (material, 0, tex0);
cogl_material_set_layer_combine (material, 0,
"RGBA = REPLACE (TEXTURE)", NULL);
/* We'll use nearest filtering mode on the textures, otherwise the
edge of the quad can pull in texels from the neighbouring
quarters of the texture due to imprecision */
cogl_material_set_layer_filters (material, 0,
COGL_MATERIAL_FILTER_NEAREST,
COGL_MATERIAL_FILTER_NEAREST);
cogl_material_set_layer (material, 1, tex1);
cogl_material_set_layer_filters (material, 1,
COGL_MATERIAL_FILTER_NEAREST,
COGL_MATERIAL_FILTER_NEAREST);
status = cogl_material_set_layer_combine (material, 1,
"RGBA = ADD (PREVIOUS, TEXTURE)",
&error);
if (!status)
{
/* It's not strictly a test failure; you need a more capable GPU or
* driver to test this texture combine string. */
g_debug ("Failed to setup texture combine string "
"RGBA = ADD (PREVIOUS, TEXTURE): %s",
error->message);
}
cogl_set_source (material);
cogl_rectangle_with_multitexture_coords (0, 0, QUAD_WIDTH, QUAD_WIDTH,
tex_coords, 8);
cogl_handle_unref (material);
cogl_handle_unref (tex0);
cogl_handle_unref (tex1);
/* See what we got... */
assert_region_color (0, 0, QUAD_WIDTH, QUAD_WIDTH,
0x55, 0x55, 0x55, 0x55);
/* Comment this out if you want visual feedback for what this test paints */
#if 1
clutter_main_quit ();
#endif
}
