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path: root/source/blender/gpu/shaders/material/gpu_shader_material_blackbody.glsl

blob: e257483f36475c63dad4fddba1fd96ddb792f628 (plain)

void node_blackbody(float temperature, sampler1DArray spectrummap, float layer, out vec4 color)
{
  float t = (temperature - 800.0) / (12000.0 - 800.0);
  color = vec4(texture(spectrummap, vec2(t, layer)).rgb, 1.0);
}