diff options
Diffstat (limited to 'examples/resources/shaders/glsl100/bloom.fs')
| -rw-r--r-- | examples/resources/shaders/glsl100/bloom.fs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/examples/resources/shaders/glsl100/bloom.fs b/examples/resources/shaders/glsl100/bloom.fs new file mode 100644 index 00000000..280d2fb6 --- /dev/null +++ b/examples/resources/shaders/glsl100/bloom.fs @@ -0,0 +1,37 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 fragTintColor; + +// NOTE: Add here your custom variables + +void main() +{ + vec4 sum = vec4(0); + vec4 tc = vec4(0); + + for (int i = -4; i < 4; i++) + { + for (int j = -3; j < 3; j++) + { + sum += texture2D(texture0, fragTexCoord + vec2(j, i)*0.004) * 0.25; + } + } + + // Texel color fetching from texture sampler + vec4 texelColor = texture(texture0, fragTexCoord); + + // Calculate final fragment color + if (texelColor.r < 0.3) tc = sum*sum*0.012 + texelColor; + else if (texelColor.r < 0.5) tc = sum*sum*0.009 + texelColor; + else tc = sum*sum*0.0075 + texelColor; + + gl_FragColor = tc; +}
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