diff options
Diffstat (limited to 'Studio/Content/Effect Library/Bloom.effect')
| -rw-r--r-- | Studio/Content/Effect Library/Bloom.effect | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/Studio/Content/Effect Library/Bloom.effect b/Studio/Content/Effect Library/Bloom.effect new file mode 100644 index 0000000..97f9c12 --- /dev/null +++ b/Studio/Content/Effect Library/Bloom.effect @@ -0,0 +1,200 @@ +<?xml version="1.0" encoding="UTF-8" ?> +<Effect> + <MetaData> + <Property name="Threshold" formalName="Threshold of the luminocity pass" description="Objects brighter than this will\nbe part of the filter" min=".1" max=".98" default=".8" /> + <Property name="PoissonRotation" hidden="True" default="0"/> + <Property name="PoissonDistance" hidden="True" default="4"/> + <Property name="Downsample2" filter="linear" clamp="clamp" type="Texture" /> + <Property name="Downsample4" filter="linear" clamp="clamp" type="Texture" /> + <Property name="Downsample8" filter="linear" clamp="clamp" type="Texture" /> + <Property name="Downsample16" filter="linear" clamp="clamp" type="Texture" /> + <Property name="DepthSampler" type="Texture" filter="nearest" clamp="clamp"/> + </MetaData> + <Shaders> + <Shared> +#include "blur.glsllib" +varying float range; + </Shared> + <Shader name="CLEARPASS"> + <VertexShader> +// Range of possible values that we care about. +void vert () +{ + +} + </VertexShader> + <FragmentShader> +void frag() // Luminosity pass with exponential color channel decay based on the threshold above. +{ + gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0); +} + </FragmentShader> + </Shader> + <Shader name="STENCILPASS"> + <VertexShader> +// Range of possible values that we care about. +void vert () +{ + +} + </VertexShader> + <FragmentShader> +void frag() // Luminosity pass with exponential color channel decay based on the threshold above. +{ + gl_FragColor = texture2D_0(TexCoord); +} + </FragmentShader> + </Shader> + <Shader name="LUMINOSITY"> + <VertexShader> +// No op +void vert () +{ + +} + </VertexShader> + <FragmentShader> +void frag() // Luminosity pass with exponential color channel decay based on the threshold above. +{ + vec4 color = texture2D_0(TexCoord); + float luminosity = dot(color.rgb, vec3(0.299, 0.587, 0.114)); + float decay = min( 1.0, max( 0.0, (luminosity - Threshold) / range ) ); + decay = decay * decay; + gl_FragColor = vec4( color.rgb * decay, color.a ); +} + </FragmentShader> + </Shader> + <Shader name="BLUR"> + <VertexShader> + +vec2 ToRotatedPoissonTexCoord( vec3 poisson, vec2 inputTex, vec2 inc, mat2 rotation ) +{ + vec2 rotatedPoisson = rotation * vec2( poisson.xy ); + return vec2( inputTex.x + rotatedPoisson.x * inc.x, inputTex.y + rotatedPoisson.y * inc.y ); +} + +void SetupPoissonBlurCoordsRotation(float inBlurAmount, vec2 inTexInfo, float inRotationRadians ) +{ + float incX = inBlurAmount / inTexInfo.x; + float incY = inBlurAmount / inTexInfo.y; + float rotCos = cos( inRotationRadians ); + float rotSin = sin( inRotationRadians ); + mat2 rotMatrix = mat2( rotCos, rotSin, -rotSin, rotCos ); + vec2 incVec = vec2( incX, incY ); + + TexCoord0 = ToRotatedPoissonTexCoord( poisson0, TexCoord, incVec, rotMatrix ); + TexCoord1 = ToRotatedPoissonTexCoord( poisson1, TexCoord, incVec, rotMatrix ); + TexCoord2 = ToRotatedPoissonTexCoord( poisson2, TexCoord, incVec, rotMatrix ); + TexCoord3 = ToRotatedPoissonTexCoord( poisson3, TexCoord, incVec, rotMatrix ); + TexCoord4 = ToRotatedPoissonTexCoord( poisson4, TexCoord, incVec, rotMatrix ); + TexCoord5 = ToRotatedPoissonTexCoord( poisson5, TexCoord, incVec, rotMatrix ); + TexCoord6 = ToRotatedPoissonTexCoord( poisson6, TexCoord, incVec, rotMatrix ); + TexCoord7 = ToRotatedPoissonTexCoord( poisson7, TexCoord, incVec, rotMatrix ); +} + +void vert () +{ + SetupPoissonBlurCoordsRotation( PoissonDistance, Texture0Info.xy, PoissonRotation); +} + </VertexShader> + <FragmentShader> +vec4 PoissonBlur(sampler2D inSampler ) +{ + float mult0 = (1.0 - poisson0.z); + float mult1 = (1.0 - poisson1.z); + float mult2 = (1.0 - poisson2.z); + float mult3 = (1.0 - poisson3.z); + float mult4 = (1.0 - poisson4.z); + float mult5 = (1.0 - poisson5.z); + float mult6 = (1.0 - poisson6.z); + float mult7 = (1.0 - poisson7.z); + + float multTotal = mult0 + mult1 + mult2 + mult3 + mult4 + mult5 + mult6 + mult7; + float multMultiplier = ( multTotal > 0.0 ? 1.0 / multTotal : 0.0 ); + + vec4 outColor = GetTextureValue( inSampler, TexCoord0, 1.0 ) * (mult0 * multMultiplier); + outColor += GetTextureValue( inSampler, TexCoord1, 1.0 ) * (mult1 * multMultiplier); + outColor += GetTextureValue( inSampler, TexCoord2, 1.0 ) * (mult2 * multMultiplier); + outColor += GetTextureValue( inSampler, TexCoord3, 1.0 ) * (mult3 * multMultiplier); + outColor += GetTextureValue( inSampler, TexCoord4, 1.0 ) * (mult4 * multMultiplier); + outColor += GetTextureValue( inSampler, TexCoord5, 1.0 ) * (mult5 * multMultiplier); + outColor += GetTextureValue( inSampler, TexCoord6, 1.0 ) * (mult6 * multMultiplier); + outColor += GetTextureValue( inSampler, TexCoord7, 1.0 ) * (mult7 * multMultiplier); + return outColor; +} + +void frag() +{ + //Passing in 1.0 means the value will not get alpha-multiplied again + gl_FragColor = PoissonBlur( Texture0 ); +} + </FragmentShader> + </Shader> + <Shader name="COMBINER"> + <FragmentShader> + +void frag() +{ + vec4 sourceColor = texture2D_0(TexCoord); + + + vec3 summation = texture2D_Downsample2(TexCoord).xyz + + texture2D_Downsample4(TexCoord).xyz + + texture2D_Downsample8(TexCoord).xyz + + texture2D_Downsample16(TexCoord).xyz; + gl_FragColor = vec4( clamp( sourceColor.x + summation.x, 0.0, sourceColor.a ) + , clamp( sourceColor.y + summation.y, 0.0, sourceColor.a ) + , clamp( sourceColor.z + summation.z, 0.0, sourceColor.a ) + , sourceColor.a ); + + /* + + gl_FragColor = vec4( texture2D_Downsample2(TexCoord).xyz + , sourceColor.a ); + */ +} + </FragmentShader> + </Shader> + </Shaders> + <Passes> + <Buffer name="luminosity_buffer" type="ubyte" format="rgba" filter="linear" wrap="clamp" lifetime="frame"/> + <Buffer name="luminosity_buffer2" type="ubyte" format="rgba" filter="linear" wrap="clamp" size=".5" lifetime="frame"/> + <Buffer name="downsample_buffer2" type="ubyte" format="rgba" filter="linear" wrap="clamp" size=".5" lifetime="frame"/> + <Buffer name="downsample_buffer4" type="ubyte" format="rgba" filter="linear" wrap="clamp" size=".25" lifetime="frame"/> + <Buffer name="downsample_buffer8" type="ubyte" format="rgba" filter="linear" wrap="clamp" size=".125" lifetime="frame"/> + <Buffer name="downsample_buffer16" type="ubyte" format="rgba" filter="linear" wrap="clamp" size=".0625" lifetime="frame"/> + <Pass shader="CLEARPASS" input="[source]" output="luminosity_buffer"> + <RenderState name="Stencil" value="false"/> + </Pass> + <Pass shader="STENCILPASS" input="[source]" output="luminosity_buffer"> + <RenderState name="Stencil" value="true"/> + </Pass> + <Pass shader="LUMINOSITY" input="luminosity_buffer" output="luminosity_buffer2"> + <RenderState name="Stencil" value="false"/> + </Pass> + <Pass shader="BLUR" input="luminosity_buffer2" output="downsample_buffer2"> + <SetParam name="PoissonDistance" value="4"/> + <SetParam name="PoissonRotation" value="0"/> + </Pass> + <Pass shader="BLUR" input="luminosity_buffer2" output="downsample_buffer4"> + <SetParam name="PoissonDistance" value="4"/> + <SetParam name="PoissonRotation" value="0.62831"/> + </Pass> + <Pass shader="BLUR" input="luminosity_buffer2" output="downsample_buffer8"> + <SetParam name="PoissonDistance" value="6"/> + <SetParam name="PoissonRotation" value="1.25663"/> + </Pass> + <Pass shader="BLUR" input="luminosity_buffer2" output="downsample_buffer16"> + <SetParam name="PoissonDistance" value="10"/> + <SetParam name="PoissonRotation" value="1.88495"/> + </Pass> + <Pass shader="COMBINER" input="[source]"> + <BufferInput param="Downsample2" value="downsample_buffer2"/> + <BufferInput param="Downsample4" value="downsample_buffer4"/> + <BufferInput param="Downsample8" value="downsample_buffer8"/> + <BufferInput param="Downsample16" value="downsample_buffer16"/> + <RenderState name="Stencil" value="false"/> + </Pass> + </Passes> +</Effect> + |