/*
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  Photon Shader by SixthSurge

  program/c11_bloom_merge_buffers:
  Copy bloom tiles from read buffer to write buffer

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*/

#include "/include/global.glsl"

layout(location = 0) out vec3 bloom_tiles;

/* RENDERTARGETS: 0 */

in vec2 uv;

uniform sampler2D colortex0;

uniform vec2 view_res;

void main() {
    int tile_index = int(-log2(1.0 - uv.x));

    if ((tile_index & 1) == 1) {
        bloom_tiles = texelFetch(colortex0, ivec2(gl_FragCoord.xy), 0).rgb;
    } else {
        discard;
    }
}