static void do_test2(ALLEGRO_COLOR src_col, ALLEGRO_COLOR dst_col,
ALLEGRO_COLOR blend_col, int src_format, int dst_format,
int src_mode, int dst_mode, int src_alpha, int dst_alpha,
int operation)
{
ALLEGRO_COLOR reference, result, from_display;
test_index++;
if (test_only_index && test_index != test_only_index)
return;
reference = reference_implementation(
src_col, dst_col, blend_col, src_format, dst_format,
src_mode, dst_mode, src_alpha, dst_alpha, operation);
result = test(src_col, dst_col, blend_col, src_format,
dst_format, src_mode, dst_mode, src_alpha, dst_alpha,
operation, false);
if (!same_color(reference, result)) {
test(src_col, dst_col, blend_col, src_format,
dst_format, src_mode, dst_mode, src_alpha, dst_alpha,
operation, true);
printf("expected : ");
print_color(reference);
printf("\n");
printf("FAILED\n");
}
else {
printf(" OK");
fflush(stdout);
}
if (test_display) {
dst_format = al_get_display_format();
from_display = al_get_pixel(al_get_backbuffer(), 0, 0);
reference = reference_implementation(
src_col, dst_col, blend_col, src_format, dst_format,
src_mode, dst_mode, src_alpha, dst_alpha, operation);
if (!same_color(reference, from_display)) {
test(src_col, dst_col, blend_col, src_format,
dst_format, src_mode, dst_mode, src_alpha, dst_alpha,
operation, true);
printf("displayed : ");
print_color(from_display);
printf("\n");
printf("expected : ");
print_color(reference);
printf("\n");
printf("(FAILED on display)\n");
}
}
}
/* We use al_get_display_format() as a hint for the preferred RGB ordering when
* nothing else is specified.
*/
static bool try_display_format(ALLEGRO_DISPLAY *display, int *format)
{
int best_format;
int bytes;
if (!display) {
return false;
}
best_format = al_get_display_format(display);
if (!_al_pixel_format_is_real(best_format))
return false;
bytes = al_get_pixel_size(*format);
if (bytes && bytes != al_get_pixel_size(best_format))
return false;
if (_al_pixel_format_has_alpha(*format) &&
!_al_pixel_format_has_alpha(best_format))
{
switch (best_format) {
case ALLEGRO_PIXEL_FORMAT_RGBX_8888:
*format = ALLEGRO_PIXEL_FORMAT_RGBA_8888;
return true;
case ALLEGRO_PIXEL_FORMAT_XRGB_8888:
*format = ALLEGRO_PIXEL_FORMAT_ARGB_8888;
return true;
case ALLEGRO_PIXEL_FORMAT_XBGR_8888:
*format = ALLEGRO_PIXEL_FORMAT_ABGR_8888;
return true;
default:
return false;
}
}
*format = best_format;
return true;
}
