mirror of https://github.com/bkaradzic/bgfx
32 lines
1.4 KiB
Scala
32 lines
1.4 KiB
Scala
$input v_color0, v_texcoord0
|
|
|
|
#include <bgfx_shader.sh>
|
|
|
|
SAMPLER2D(s_texColor, 0);
|
|
|
|
uniform vec4 u_params;
|
|
#define u_blur_scale u_params.xy
|
|
#define u_compose_mult u_params.z
|
|
#define u_compose_alpha u_params.w
|
|
|
|
void main()
|
|
{
|
|
vec4 color;
|
|
color = texture2D(s_texColor, vec2(v_texcoord0.x-4.0*u_blur_scale.x, v_texcoord0.y-4.0*u_blur_scale.y))*0.05;
|
|
color += texture2D(s_texColor, vec2(v_texcoord0.x-3.0*u_blur_scale.x, v_texcoord0.y-3.0*u_blur_scale.y))*0.09;
|
|
color += texture2D(s_texColor, vec2(v_texcoord0.x-2.0*u_blur_scale.x, v_texcoord0.y-2.0*u_blur_scale.y))*0.12;
|
|
color += texture2D(s_texColor, vec2(v_texcoord0.x-1.0*u_blur_scale.x, v_texcoord0.y-1.0*u_blur_scale.y))*0.15;
|
|
color += texture2D(s_texColor, vec2(v_texcoord0.x+0.0*u_blur_scale.x, v_texcoord0.y+0.0*u_blur_scale.y))*0.16;
|
|
color += texture2D(s_texColor, vec2(v_texcoord0.x+1.0*u_blur_scale.x, v_texcoord0.y+1.0*u_blur_scale.y))*0.15;
|
|
color += texture2D(s_texColor, vec2(v_texcoord0.x+2.0*u_blur_scale.x, v_texcoord0.y+2.0*u_blur_scale.y))*0.12;
|
|
color += texture2D(s_texColor, vec2(v_texcoord0.x+3.0*u_blur_scale.x, v_texcoord0.y+3.0*u_blur_scale.y))*0.09;
|
|
color += texture2D(s_texColor, vec2(v_texcoord0.x+4.0*u_blur_scale.x, v_texcoord0.y+4.0*u_blur_scale.y))*0.05;
|
|
|
|
gl_FragColor = color
|
|
* vec4(u_compose_mult
|
|
, u_compose_mult
|
|
, u_compose_mult
|
|
, u_compose_mult * u_compose_alpha
|
|
);
|
|
}
|