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Standard.Shader.TextureOperation.texture_operation.frag Maven / Gradle / Ivy

#version 450
#extension GL_ARB_separate_shader_objects:enable

const int TEXTURE_OPERATION_ADD=0;
const int TEXTURE_OPERATION_SUB=1;
const int TEXTURE_OPERATION_MUL=2;
const int TEXTURE_OPERATION_DIV=3;

const int MAX_NUM_TEXTURES=8;

layout(set=0,binding=0) uniform TextureOperationParametersUBO{
    vec4 factors[MAX_NUM_TEXTURES];
    int operationType;
    int numTextures;
}parameters;
layout(set=1,binding=0) uniform texture2D colorTextures[MAX_NUM_TEXTURES];
layout(set=2,binding=0) uniform sampler textureSampler;

layout(location=0) in vec2 fragTexCoords;

layout(location=0) out vec4 outColor;

void main(){
    vec4 curColor=vec4(0.0);

    for(int i=0;i