void
_st_paint_shadow_with_opacity (StShadow *shadow_spec,
CoglPipeline *shadow_pipeline,
ClutterActorBox *box,
guint8 paint_opacity)
{
CoglFramebuffer *fb = cogl_get_draw_framebuffer ();
ClutterActorBox shadow_box;
CoglColor color;
g_return_if_fail (shadow_spec != NULL);
g_return_if_fail (shadow_pipeline != NULL);
st_shadow_get_box (shadow_spec, box, &shadow_box);
cogl_color_init_from_4ub (&color,
shadow_spec->color.red * paint_opacity / 255,
shadow_spec->color.green * paint_opacity / 255,
shadow_spec->color.blue * paint_opacity / 255,
shadow_spec->color.alpha * paint_opacity / 255);
cogl_color_premultiply (&color);
cogl_pipeline_set_layer_combine_constant (shadow_pipeline, 0, &color);
cogl_framebuffer_draw_rectangle (fb, shadow_pipeline,
shadow_box.x1, shadow_box.y1,
shadow_box.x2, shadow_box.y2);
}
static void
test_tex_combine (TestState *state,
int x,
int y,
uint32_t tex0_color,
uint32_t tex1_color,
uint32_t combine_constant,
const char *combine_string,
uint32_t expected_result)
{
CoglTexture *tex0, *tex1;
/* combine constant - when applicable */
uint8_t Cr = MASK_RED (combine_constant);
uint8_t Cg = MASK_GREEN (combine_constant);
uint8_t Cb = MASK_BLUE (combine_constant);
uint8_t Ca = MASK_ALPHA (combine_constant);
CoglColor combine_const_color;
CoglPipeline *pipeline;
CoglBool status;
CoglError *error = NULL;
int y_off;
int x_off;
tex0 = make_texture (tex0_color);
tex1 = make_texture (tex1_color);
pipeline = cogl_pipeline_new (test_ctx);
cogl_pipeline_set_color4ub (pipeline, 0x80, 0x80, 0x80, 0x80);
cogl_pipeline_set_blend (pipeline, "RGBA = ADD (SRC_COLOR, 0)", NULL);
cogl_pipeline_set_layer_texture (pipeline, 0, tex0);
cogl_pipeline_set_layer_combine (pipeline, 0,
"RGBA = REPLACE (TEXTURE)", NULL);
cogl_pipeline_set_layer_texture (pipeline, 1, tex1);
status = cogl_pipeline_set_layer_combine (pipeline, 1,
combine_string, &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 test texture combine string %s: %s",
combine_string, error->message);
}
cogl_color_init_from_4ub (&combine_const_color, Cr, Cg, Cb, Ca);
cogl_pipeline_set_layer_combine_constant (pipeline, 1, &combine_const_color);
cogl_framebuffer_draw_rectangle (test_fb,
pipeline,
x * QUAD_WIDTH,
y * QUAD_WIDTH,
x * QUAD_WIDTH + QUAD_WIDTH,
y * QUAD_WIDTH + QUAD_WIDTH);
cogl_object_unref (pipeline);
cogl_object_unref (tex0);
cogl_object_unref (tex1);
/* See what we got... */
y_off = y * QUAD_WIDTH + (QUAD_WIDTH / 2);
x_off = x * QUAD_WIDTH + (QUAD_WIDTH / 2);
if (cogl_test_verbose ())
{
g_print ("test_tex_combine (%d, %d):\n%s\n", x, y, combine_string);
g_print (" texture 0 color = 0x%08lX\n", (unsigned long)tex0_color);
g_print (" texture 1 color = 0x%08lX\n", (unsigned long)tex1_color);
if (combine_constant != TEX_CONSTANT_UNUSED)
g_print (" combine constant = %02x, %02x, %02x, %02x\n",
Cr, Cg, Cb, Ca);
else
g_print (" combine constant = UNUSED\n");
}
test_utils_check_pixel (test_fb, x_off, y_off, expected_result);
}
void
test_layer_remove (void)
{
CoglPipeline *pipeline0, *pipeline1;
CoglColor color;
int pos = 0;
cogl_framebuffer_orthographic (test_fb,
0, 0,
cogl_framebuffer_get_width (test_fb),
cogl_framebuffer_get_height (test_fb),
-1,
100);
/** TEST 1 **/
/* Basic sanity check that the pipeline combines the two colors
* together properly */
pipeline0 = create_two_layer_pipeline ();
test_color (pipeline0, 0xffff00ff, pos++);
cogl_object_unref (pipeline0);
/** TEST 2 **/
/* Check that we can remove the second layer */
pipeline0 = create_two_layer_pipeline ();
cogl_pipeline_remove_layer (pipeline0, 1);
test_color (pipeline0, 0xff0000ff, pos++);
cogl_object_unref (pipeline0);
/** TEST 3 **/
/* Check that we can remove the first layer */
pipeline0 = create_two_layer_pipeline ();
cogl_pipeline_remove_layer (pipeline0, 0);
test_color (pipeline0, 0x00ff00ff, pos++);
cogl_object_unref (pipeline0);
/** TEST 4 **/
/* Check that we can make a copy and remove a layer from the
* original pipeline */
pipeline0 = create_two_layer_pipeline ();
pipeline1 = cogl_pipeline_copy (pipeline0);
cogl_pipeline_remove_layer (pipeline0, 1);
test_color (pipeline0, 0xff0000ff, pos++);
test_color (pipeline1, 0xffff00ff, pos++);
cogl_object_unref (pipeline0);
cogl_object_unref (pipeline1);
/** TEST 5 **/
/* Check that we can make a copy and remove the second layer from the
* new pipeline */
pipeline0 = create_two_layer_pipeline ();
pipeline1 = cogl_pipeline_copy (pipeline0);
cogl_pipeline_remove_layer (pipeline1, 1);
test_color (pipeline0, 0xffff00ff, pos++);
test_color (pipeline1, 0xff0000ff, pos++);
cogl_object_unref (pipeline0);
cogl_object_unref (pipeline1);
/** TEST 6 **/
/* Check that we can make a copy and remove the first layer from the
* new pipeline */
pipeline0 = create_two_layer_pipeline ();
pipeline1 = cogl_pipeline_copy (pipeline0);
cogl_pipeline_remove_layer (pipeline1, 0);
test_color (pipeline0, 0xffff00ff, pos++);
test_color (pipeline1, 0x00ff00ff, pos++);
cogl_object_unref (pipeline0);
cogl_object_unref (pipeline1);
/** TEST 7 **/
/* Check that we can modify a layer in a child pipeline */
pipeline0 = create_two_layer_pipeline ();
pipeline1 = cogl_pipeline_copy (pipeline0);
cogl_color_init_from_4ub (&color, 0, 0, 255, 255);
cogl_pipeline_set_layer_combine_constant (pipeline1, 0, &color);
test_color (pipeline0, 0xffff00ff, pos++);
test_color (pipeline1, 0x00ffffff, pos++);
cogl_object_unref (pipeline0);
cogl_object_unref (pipeline1);
/** TEST 8 **/
/* Check that we can modify a layer in a child pipeline but then remove it */
pipeline0 = create_two_layer_pipeline ();
pipeline1 = cogl_pipeline_copy (pipeline0);
cogl_color_init_from_4ub (&color, 0, 0, 255, 255);
cogl_pipeline_set_layer_combine_constant (pipeline1, 0, &color);
cogl_pipeline_remove_layer (pipeline1, 0);
test_color (pipeline0, 0xffff00ff, pos++);
test_color (pipeline1, 0x00ff00ff, pos++);
cogl_object_unref (pipeline0);
cogl_object_unref (pipeline1);
if (cogl_test_verbose ())
g_print ("OK\n");
}
