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| author | Yuri Roubinsky <chaosus89@gmail.com> | 2020-07-27 09:18:37 +0300 |
|---|---|---|
| committer | Yuri Roubinsky <chaosus89@gmail.com> | 2020-07-27 11:35:53 +0300 |
| commit | 167f033782e2a1a731ce2aa4f4ce856615db6ed4 (patch) | |
| tree | 4df8d723146147b3a83c0d89ce9b404023b437e0 /scene/resources/visual_shader_nodes.cpp | |
| parent | 0a7942f4bb61cba8f02f2cbe0ec83b95eefa6726 (diff) | |
| download | redot-engine-167f033782e2a1a731ce2aa4f4ce856615db6ed4.tar.gz | |
Optimize code generation for fresnel node in visual shaders
Diffstat (limited to 'scene/resources/visual_shader_nodes.cpp')
| -rw-r--r-- | scene/resources/visual_shader_nodes.cpp | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/scene/resources/visual_shader_nodes.cpp b/scene/resources/visual_shader_nodes.cpp index 4cf382a933..0caa3cecd8 100644 --- a/scene/resources/visual_shader_nodes.cpp +++ b/scene/resources/visual_shader_nodes.cpp @@ -4457,6 +4457,13 @@ String VisualShaderNodeFresnel::get_output_port_name(int p_port) const { return "result"; } +bool VisualShaderNodeFresnel::is_generate_input_var(int p_port) const { + if (p_port == 2) { + return false; + } + return true; +} + String VisualShaderNodeFresnel::generate_code(Shader::Mode p_mode, VisualShader::Type p_type, int p_id, const String *p_input_vars, const String *p_output_vars, bool p_for_preview) const { String normal; String view; @@ -4471,7 +4478,15 @@ String VisualShaderNodeFresnel::generate_code(Shader::Mode p_mode, VisualShader: view = p_input_vars[1]; } - return "\t" + p_output_vars[0] + " = " + p_input_vars[2] + " ? (pow(clamp(dot(" + normal + ", " + view + "), 0.0, 1.0), " + p_input_vars[3] + ")) : (pow(1.0 - clamp(dot(" + normal + ", " + view + "), 0.0, 1.0), " + p_input_vars[3] + "));\n"; + if (is_input_port_connected(2)) { + return "\t" + p_output_vars[0] + " = " + p_input_vars[2] + " ? (pow(clamp(dot(" + normal + ", " + view + "), 0.0, 1.0), " + p_input_vars[3] + ")) : (pow(1.0 - clamp(dot(" + normal + ", " + view + "), 0.0, 1.0), " + p_input_vars[3] + "));\n"; + } else { + if (get_input_port_default_value(2)) { + return "\t" + p_output_vars[0] + " = pow(clamp(dot(" + normal + ", " + view + "), 0.0, 1.0), " + p_input_vars[3] + ");\n"; + } else { + return "\t" + p_output_vars[0] + " = pow(1.0 - clamp(dot(" + normal + ", " + view + "), 0.0, 1.0), " + p_input_vars[3] + ");\n"; + } + } } String VisualShaderNodeFresnel::get_input_port_default_hint(int p_port) const { |