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[require]
GLSL >= 1.20
[vertex shader]
#version 120
#extension GL_ARB_texture_rectangle : enable
#define flat
#define texture2DRectOffset(sampler, coords, offset) texture2DRect(sampler, coords + vec2(offset))
#define shadow2DRectOffset(sampler, coords, offset) shadow2DRect(sampler, coords + vec2(offset))
attribute vec4 vvertex;
void main(void)
{
gl_Position = vvertex;
}
[fragment shader]
#version 120
#extension GL_ARB_texture_rectangle : enable
#define flat
#define texture2DRectOffset(sampler, coords, offset) texture2DRect(sampler, coords + vec2(offset))
#define shadow2DRectOffset(sampler, coords, offset) shadow2DRect(sampler, coords + vec2(offset))
#define fragdata(loc, name, type)
#define fragcolor gl_FragData[0]
uniform sampler2DRect tex1;
#define gfetch(sampler, coords) texture2DRect(sampler, coords)
#define gfetchoffset(sampler, coords, offset) texture2DRectOffset(sampler, coords, offset)
#define gfetchproj(sampler, coords) texture2DRectProj(sampler, coords)
#define gfetchclamp(sampler, coords) texture2DRect(sampler, coords)
uniform vec3 gdepthscale;
uniform vec3 gdepthunpackparams;
uniform sampler2DRect tex0;
uniform vec2 bilateralparams;
uniform vec3 gdepthpackparams;
fragdata(0, fragcolor, vec4)
void main(void)
{
#define tc gl_FragCoord.xy
#define depthtc gl_FragCoord.xy
#define tapvec(type, i) type(0.0, i)
#define texval(i) texture2DRect(tex0, tc + tapvec(vec2, i))
#define texvaloffset(i) texture2DRectOffset(tex0, tc, tapvec(ivec2, i))
#define depthval(i) gfetch(tex1, depthtc + tapvec(vec2, i))
#define depthvaloffset(i) gfetchoffset(tex1, depthtc, tapvec(ivec2, i))
vec2 vals = texture2DRect(tex0, tc).rg;
#define color vals.x
#define depth vals.y
float weights = 1.0;
vec2 vals0 = texval(-6.0).rg;
#define color0 vals0.x
#define depth0 vals0.y
depth0 -= depth;
float weight0 = exp2(-9.0*bilateralparams.x - depth0*depth0*bilateralparams.y);
weights += weight0;
color += weight0 * color0;
vec2 vals1 = texval(-4.0).rg;
#define color1 vals1.x
#define depth1 vals1.y
depth1 -= depth;
float weight1 = exp2(-4.0*bilateralparams.x - depth1*depth1*bilateralparams.y);
weights += weight1;
color += weight1 * color1;
vec2 vals2 = texval(-2.0).rg;
#define color2 vals2.x
#define depth2 vals2.y
depth2 -= depth;
float weight2 = exp2(-1.0*bilateralparams.x - depth2*depth2*bilateralparams.y);
weights += weight2;
color += weight2 * color2;
vec2 vals3 = texval(2.0).rg;
#define color3 vals3.x
#define depth3 vals3.y
depth3 -= depth;
float weight3 = exp2(-1.0*bilateralparams.x - depth3*depth3*bilateralparams.y);
weights += weight3;
color += weight3 * color3;
vec2 vals4 = texval(4.0).rg;
#define color4 vals4.x
#define depth4 vals4.y
depth4 -= depth;
float weight4 = exp2(-4.0*bilateralparams.x - depth4*depth4*bilateralparams.y);
weights += weight4;
color += weight4 * color4;
vec2 vals5 = texval(6.0).rg;
#define color5 vals5.x
#define depth5 vals5.y
depth5 -= depth;
float weight5 = exp2(-9.0*bilateralparams.x - depth5*depth5*bilateralparams.y);
weights += weight5;
color += weight5 * color5;
fragcolor = vec4(color / weights, 0.0, 0.0, 1.0);
}
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