mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-26 06:56:45 +01:00
53 lines
No EOL
2.2 KiB
Text
53 lines
No EOL
2.2 KiB
Text
globalvar BLEND_TYPES;
|
|
BLEND_TYPES = [ "Normal", "Add", "Subtract", "Multiply", "Screen", "Overlay", "Hue", "Saturation", "Luminosity", "Maximum", "Minimum", "Replace", "Difference" ];
|
|
|
|
function draw_surface_blend(background, foreground, blend, alpha, _pre_alp = true, _mask = 0, tile = 0) {
|
|
if(!is_surface(background)) return;
|
|
|
|
var sh = sh_blend_normal
|
|
switch(array_safe_get(BLEND_TYPES, blend)) {
|
|
case "Normal" : sh = sh_blend_normal break;
|
|
case "Add" : sh = sh_blend_add; break;
|
|
case "Subtract" : sh = sh_blend_subtract; break;
|
|
case "Multiply" : sh = sh_blend_multiply; break;
|
|
case "Screen" : sh = sh_blend_screen; break;
|
|
case "Overlay" : sh = sh_blend_overlay; break;
|
|
case "Hue" : sh = sh_blend_hue; break;
|
|
case "Saturation" : sh = sh_blend_sat; break;
|
|
case "Luminosity" : sh = sh_blend_luma; break;
|
|
|
|
case "Maximum" : sh = sh_blend_max; break;
|
|
case "Minimum" : sh = sh_blend_min; break;
|
|
case "Replace" : sh = sh_blend_replace; break;
|
|
case "Difference" : sh = sh_blend_difference; break;
|
|
default: return;
|
|
}
|
|
|
|
var uniform_foreground = shader_get_sampler_index(sh, "fore");
|
|
var uniform_mask = shader_get_sampler_index(sh, "mask");
|
|
var uniform_dim_rat = shader_get_uniform(sh, "dimension");
|
|
var uniform_is_mask = shader_get_uniform(sh, "useMask");
|
|
var uniform_alpha = shader_get_uniform(sh, "opacity");
|
|
var uniform_tile = shader_get_uniform(sh, "tile_type");
|
|
var uniform_presalpha = shader_get_uniform(sh, "preserveAlpha");
|
|
|
|
var surf = surface_get_target();
|
|
var surf_w = surface_get_width(surf);
|
|
var surf_h = surface_get_height(surf);
|
|
|
|
if(is_surface(foreground)) {
|
|
shader_set(sh);
|
|
texture_set_stage(uniform_foreground, surface_get_texture(foreground));
|
|
if(_mask) texture_set_stage(uniform_mask, surface_get_texture(_mask));
|
|
shader_set_uniform_i(uniform_is_mask, _mask != 0? 1 : 0);
|
|
shader_set_uniform_f_array(uniform_dim_rat, [ surface_get_width(background) / surface_get_width(foreground), surface_get_height(background) / surface_get_height(foreground) ]);
|
|
shader_set_uniform_f(uniform_alpha, alpha);
|
|
shader_set_uniform_i(uniform_presalpha, _pre_alp);
|
|
shader_set_uniform_i(uniform_tile, tile);
|
|
}
|
|
|
|
BLEND_ALPHA
|
|
draw_surface_stretched_safe(background, 0, 0, surf_w, surf_h);
|
|
BLEND_NORMAL
|
|
shader_reset();
|
|
} |