diff options
Diffstat (limited to 'source/blender/gpu/shaders/gpu_shader_smoke_frag.glsl')
| -rw-r--r-- | source/blender/gpu/shaders/gpu_shader_smoke_frag.glsl | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_smoke_frag.glsl b/source/blender/gpu/shaders/gpu_shader_smoke_frag.glsl index fd790009e02..6ded453225e 100644 --- a/source/blender/gpu/shaders/gpu_shader_smoke_frag.glsl +++ b/source/blender/gpu/shaders/gpu_shader_smoke_frag.glsl @@ -8,10 +8,17 @@ uniform float density_scale; uniform sampler3D soot_texture; uniform sampler3D shadow_texture; +#ifdef USE_COBA +uniform sampler1D transfer_texture; +uniform sampler3D color_band_texture; +#endif + void main() { /* compute color and density from volume texture */ vec4 soot = texture3D(soot_texture, coords); + +#ifndef USE_COBA vec3 soot_color; if (soot.a != 0) { soot_color = active_color * soot.rgb / soot.a; @@ -31,6 +38,11 @@ void main() /* premultiply alpha */ vec4 color = vec4(soot_alpha * soot_color, soot_alpha); +#else + float color_band = texture3D(color_band_texture, coords).r; + vec4 transfer_function = texture1D(transfer_texture, color_band); + vec4 color = transfer_function * density_scale; +#endif gl_FragColor = color; } |