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Eevee: Volumetrics: Add Volume Absorption node.

This commit is contained in:
Clément Foucault 2017-07-04 15:29:18 +02:00
parent d5448eac6c
commit f8aab24fb5
2 changed files with 11 additions and 2 deletions
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9
source/blender/gpu/shaders/gpu_shader_material.glsl
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@ -2955,6 +2955,15 @@ void node_volume_scatter(vec4 color, float density, float anisotropy, out Closur
#endif
}
void node_volume_absorption(vec4 color, float density, out Closure result)
{
#ifdef VOLUMETRICS
result = Closure((1.0 - color.rgb) * density, vec3(0.0), vec3(0.0), 0.0);
#else
result = CLOSURE_DEFAULT;
#endif
}
/* closures */
void node_mix_shader(float fac, Closure shader1, Closure shader2, out Closure shader)

4
source/blender/nodes/shader/nodes/node_shader_volume_absorption.c
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@ -40,9 +40,9 @@ static bNodeSocketTemplate sh_node_volume_absorption_out[] = {
{ -1, 0, "" }
};
static int node_shader_gpu_volume_absorption(GPUMaterial *UNUSED(mat), bNode *UNUSED(node), bNodeExecData *UNUSED(execdata), GPUNodeStack *UNUSED(in), GPUNodeStack *UNUSED(out))
static int node_shader_gpu_volume_absorption(GPUMaterial *mat, bNode *UNUSED(node), bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
return false;
return GPU_stack_link(mat, "node_volume_absorption", in, out);
}
/* node type definition */