cry/Hyprland
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Major blur rework: optimization & fixes

Browse source 
Blur should be considerably faster now and work on full damage tracking
This commit is contained in:
vaxerski 2022-05-02 16:54:40 +02:00
parent b5b78f3836
commit 43fc7662cc
4 changed files with 205 additions and 111 deletions
Download patch file Download diff file Expand all files Collapse all files

43
src/render/Shaders.hpp
View file

@ -154,46 +154,49 @@ void main() {
gl_FragColor = vec4(texture2D(tex, v_texcoord).rgb, 1.0) * alpha;
})#";
// thanks to Loadus
// https://www.shadertoy.com/view/Mtl3Rj
// for this pseudo-gaussian blur!
inline const std::string FRAGBLUR1 = R"#(
#version 100
precision mediump float;
varying vec2 v_texcoord; // is in 0-1
varying mediump vec2 v_texcoord; // is in 0-1
uniform sampler2D tex;
uniform float radius;
uniform vec2 resolution;
uniform vec2 halfpixel;
void main() {
vec4 sum = texture2D(tex, v_texcoord) * 4.0;
sum += texture2D(tex, v_texcoord - halfpixel.xy * radius);
sum += texture2D(tex, v_texcoord + halfpixel.xy * radius);
sum += texture2D(tex, v_texcoord + vec2(halfpixel.x, -halfpixel.y) * radius);
sum += texture2D(tex, v_texcoord - vec2(halfpixel.x, -halfpixel.y) * radius);
vec2 uv = v_texcoord * 2.0;
vec4 sum = texture2D(tex, uv) * 4.0;
sum += texture2D(tex, uv - halfpixel.xy * radius);
sum += texture2D(tex, uv + halfpixel.xy * radius);
sum += texture2D(tex, uv + vec2(halfpixel.x, -halfpixel.y) * radius);
sum += texture2D(tex, uv - vec2(halfpixel.x, -halfpixel.y) * radius);
gl_FragColor = sum / 8.0;
}
)#";
inline const std::string FRAGBLUR2 = R"#(
#version 100
precision mediump float;
varying vec2 v_texcoord; // is in 0-1
varying mediump vec2 v_texcoord; // is in 0-1
uniform sampler2D tex;
uniform float radius;
uniform vec2 resolution;
uniform vec2 halfpixel;
void main() {
vec4 sum = texture2D(tex, v_texcoord + vec2(-halfpixel.x * 2.0, 0.0) * radius);
sum += texture2D(tex, v_texcoord + vec2(-halfpixel.x, halfpixel.y) * radius) * 2.0;
sum += texture2D(tex, v_texcoord + vec2(0.0, halfpixel.y * 2.0) * radius);
sum += texture2D(tex, v_texcoord + vec2(halfpixel.x, halfpixel.y) * radius) * 2.0;
sum += texture2D(tex, v_texcoord + vec2(halfpixel.x * 2.0, 0.0) * radius);
sum += texture2D(tex, v_texcoord + vec2(halfpixel.x, -halfpixel.y) * radius) * 2.0;
sum += texture2D(tex, v_texcoord + vec2(0.0, -halfpixel.y * 2.0) * radius);
sum += texture2D(tex, v_texcoord + vec2(-halfpixel.x, -halfpixel.y) * radius) * 2.0;
vec2 uv = v_texcoord / 2.0;
vec4 sum = texture2D(tex, uv + vec2(-halfpixel.x * 2.0, 0.0) * radius);
sum += texture2D(tex, uv + vec2(-halfpixel.x, halfpixel.y) * radius) * 2.0;
sum += texture2D(tex, uv + vec2(0.0, halfpixel.y * 2.0) * radius);
sum += texture2D(tex, uv + vec2(halfpixel.x, halfpixel.y) * radius) * 2.0;
sum += texture2D(tex, uv + vec2(halfpixel.x * 2.0, 0.0) * radius);
sum += texture2D(tex, uv + vec2(halfpixel.x, -halfpixel.y) * radius) * 2.0;
sum += texture2D(tex, uv + vec2(0.0, -halfpixel.y * 2.0) * radius);
sum += texture2D(tex, uv + vec2(-halfpixel.x, -halfpixel.y) * radius) * 2.0;
gl_FragColor = sum / 12.0;
}
)#";