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blender-archive/source/blender/gpu/shaders/gpu_shader_fire_frag.glsl
Mike Erwin fa47437426 OpenGL: clean up smoke & fire shaders
TODO: swap gl_Vertex for vec3 pos, update smoke setup code
2017-05-19 11:09:12 -04:00

16 lines
296 B
GLSL

in vec3 coords;
out vec4 fragColor;
uniform sampler3D flame_texture;
uniform sampler1D spectrum_texture;
void main()
{
float flame = texture(flame_texture, coords).r;
vec4 emission = texture(spectrum_texture, flame);
fragColor.rgb = emission.a * emission.rgb;
fragColor.a = emission.a;
}