tuto_storage_texture.glsl

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#version 430
 
#ifdef VERTEX_SHADER
 
in vec3 position;
 
uniform mat4 mvpMatrix;
 
void main( )
{
    gl_Position= mvpMatrix * vec4(position, 1);
}
#endif
 
 
#ifdef FRAGMENT_SHADER
 
// layout(early_fragment_tests) in;
 
layout(binding= 0, r32ui) coherent uniform uimage2D image;
 
out vec4 fragment_color;
 
void main( )
{
    uint n= imageAtomicAdd(image, ivec2(gl_FragCoord.xy), 1) +1;
    fragment_color= vec4(1, 0, 0, 1);
}
#endif