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Cycles: fix for ColorRamp node alpha output.

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This commit is contained in:
Brecht Van Lommel
2012-03-26 13:21:43 +00:00
parent d27a1a9acd
commit 53dab9ec69
2 changed files with 12 additions and 3 deletions
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9
intern/cycles/render/nodes.cpp
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@@ -2388,17 +2388,22 @@ RGBRampNode::RGBRampNode()
{
add_input("Fac", SHADER_SOCKET_FLOAT);
add_output("Color", SHADER_SOCKET_COLOR);
add_output("Alpha", SHADER_SOCKET_FLOAT);
}
void RGBRampNode::compile(SVMCompiler& compiler)
{
ShaderInput *fac_in = input("Fac");
ShaderOutput *color_out = output("Color");
ShaderOutput *alpha_out = output("Alpha");
compiler.stack_assign(fac_in);
compiler.stack_assign(color_out);
if(!color_out->links.empty())
compiler.stack_assign(color_out);
if(!alpha_out->links.empty())
compiler.stack_assign(alpha_out);
compiler.add_node(NODE_RGB_RAMP, fac_in->stack_offset, color_out->stack_offset);
compiler.add_node(NODE_RGB_RAMP, fac_in->stack_offset, color_out->stack_offset, alpha_out->stack_offset);
compiler.add_array(ramp, RAMP_TABLE_SIZE);
}