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#version 140
uniform sampler1D texSampler1D;
uniform sampler2D texSampler2D;
uniform sampler3D texSampler3D;
uniform samplerCube texSamplerCube;
uniform sampler1DShadow shadowSampler1D;
uniform sampler2DShadow shadowSampler2D;
varying float blend;
varying vec2 scale;
varying vec4 u;
in vec2 t;
in vec2 coords2D;
void main()
{
float blendscale = 1.789;
float bias = 2.0;
float lod = 3.0;
float proj = 2.0;
float coords1D = 1.789;
vec3 coords3D = vec3(1.789, 2.718, 3.453);
vec4 coords4D = vec4(1.789, 2.718, 3.453, 2.0);
vec4 color = vec4(0.0, 0.0, 0.0, 0.0);
color += texture (texSampler1D, coords1D);
color += texture (texSampler1D, coords1D, bias);
color += textureProj(texSampler1D, coords2D);
color += textureProj(texSampler1D, coords4D);
color += textureProj(texSampler1D, coords2D, bias);
color += textureProj(texSampler1D, coords4D, bias);
color += texture (texSampler2D, coords2D);
color += texture (texSampler2D, coords2D, bias);
color += textureProj (texSampler2D, coords3D);
color += textureProj (texSampler2D, coords4D, bias);
color += texture (texSampler3D, coords3D);
color += texture (texSampler3D, coords3D, bias);
color += textureProj (texSampler3D, coords4D);
color += textureProj (texSampler3D, coords4D, bias);
color += texture (texSamplerCube, coords3D);
color += texture (texSamplerCube, coords3D, bias);
color += texture (shadowSampler1D, coords3D);
color += texture (shadowSampler1D, coords3D, bias);
color += texture (shadowSampler2D, coords3D);
color += texture (shadowSampler2D, coords3D, bias);
color += textureProj (shadowSampler1D, coords4D);
color += textureProj (shadowSampler1D, coords4D, bias);
color += textureProj (shadowSampler2D, coords4D);
color += textureProj (shadowSampler2D, coords4D, bias);
ivec2 iCoords2D = ivec2(0, 5);
int iLod = 1;
color += texelFetch(texSampler2D, iCoords2D, iLod);
vec2 gradX = dFdx(coords2D);
vec2 gradY = dFdy(coords2D);
const ivec2 offset = ivec2(3, -7);
color += textureGrad(texSampler2D, coords2D, gradX, gradY);
color += textureProjGrad(texSampler2D, vec3(coords2D, proj), gradX, gradY);
color += textureGradOffset(texSampler2D, coords2D, gradX, gradY, offset);
color += textureProjGradOffset(texSampler2D, coords3D, gradX, gradY, offset);
color += textureGrad(shadowSampler2D, vec3(coords2D, lod), gradX, gradY);
gl_FragColor = mix(color, u, blend * blendscale);
}
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