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Clean up canvas light shader API.

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Expose LIGHT_ENERGY and LIGHT_IS_DIRECTIONAL.
Add LIGHT_DIRECTION
This commit is contained in:
clayjohn 2022-09-28 11:45:08 -07:00
parent 14e1f36e61
commit 1a0890122f
6 changed files with 21 additions and 1 deletions
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2
drivers/gles3/storage/material_storage.cpp
View file

@ -1406,6 +1406,8 @@ MaterialStorage::MaterialStorage() {
actions.renames["VERTEX_ID"] = "gl_VertexIndex";
actions.renames["LIGHT_POSITION"] = "light_position";
actions.renames["LIGHT_DIRECTION"] = "light_direction";
actions.renames["LIGHT_IS_DIRECTIONAL"] = "is_directional";
actions.renames["LIGHT_COLOR"] = "light_color";
actions.renames["LIGHT_ENERGY"] = "light_energy";
actions.renames["LIGHT"] = "light";

3
editor/plugins/visual_shader_editor_plugin.cpp
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@ -5246,6 +5246,9 @@ VisualShaderEditor::VisualShaderEditor() {
add_options.push_back(AddOption("Light", "Input/Light", "VisualShaderNodeInput", vformat(input_param_for_light_shader_mode, "light", "LIGHT"), { "light" }, VisualShaderNode::PORT_TYPE_VECTOR_4D, TYPE_FLAGS_LIGHT, Shader::MODE_CANVAS_ITEM));
add_options.push_back(AddOption("LightColor", "Input/Light", "VisualShaderNodeInput", vformat(input_param_for_light_shader_mode, "light_color", "LIGHT_COLOR"), { "light_color" }, VisualShaderNode::PORT_TYPE_VECTOR_4D, TYPE_FLAGS_LIGHT, Shader::MODE_CANVAS_ITEM));
add_options.push_back(AddOption("LightPosition", "Input/Light", "VisualShaderNodeInput", vformat(input_param_for_light_shader_mode, "light_position", "LIGHT_POSITION"), { "light_position" }, VisualShaderNode::PORT_TYPE_VECTOR_3D, TYPE_FLAGS_LIGHT, Shader::MODE_CANVAS_ITEM));
add_options.push_back(AddOption("LightDirection", "Input/Light", "VisualShaderNodeInput", vformat(input_param_for_light_shader_mode, "light_direction", "LIGHT_DIRECTION"), { "light_direction" }, VisualShaderNode::PORT_TYPE_VECTOR_3D, TYPE_FLAGS_LIGHT, Shader::MODE_CANVAS_ITEM));
add_options.push_back(AddOption("LightIsDirectional", "Input/Light", "VisualShaderNodeInput", vformat(input_param_for_light_shader_mode, "light_is_directional", "LIGHT_IS_DIRECTIONAL"), { "light_is_directional" }, VisualShaderNode::PORT_TYPE_BOOLEAN, TYPE_FLAGS_LIGHT, Shader::MODE_CANVAS_ITEM));
add_options.push_back(AddOption("LightEnergy", "Input/Light", "VisualShaderNodeInput", vformat(input_param_for_light_shader_mode, "light_energy", "LIGHT_ENERGY"), { "light_energy" }, VisualShaderNode::PORT_TYPE_SCALAR, TYPE_FLAGS_LIGHT, Shader::MODE_CANVAS_ITEM));
add_options.push_back(AddOption("LightVertex", "Input/Light", "VisualShaderNodeInput", vformat(input_param_for_fragment_and_light_shader_modes, "light_vertex", "LIGHT_VERTEX"), { "light_vertex" }, VisualShaderNode::PORT_TYPE_VECTOR_3D, TYPE_FLAGS_LIGHT, Shader::MODE_CANVAS_ITEM));
add_options.push_back(AddOption("Normal", "Input/Light", "VisualShaderNodeInput", vformat(input_param_for_light_shader_mode, "normal", "NORMAL"), { "normal" }, VisualShaderNode::PORT_TYPE_VECTOR_3D, TYPE_FLAGS_LIGHT, Shader::MODE_CANVAS_ITEM));
add_options.push_back(AddOption("PointCoord", "Input/Light", "VisualShaderNodeInput", vformat(input_param_for_fragment_and_light_shader_modes, "point_coord", "POINT_COORD"), { "point_coord" }, VisualShaderNode::PORT_TYPE_VECTOR_2D, TYPE_FLAGS_LIGHT, Shader::MODE_CANVAS_ITEM));

3
scene/resources/visual_shader.cpp
View file

@ -2763,6 +2763,9 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "light", "LIGHT" },
{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "light_color", "LIGHT_COLOR" },
{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "light_position", "LIGHT_POSITION" },
{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "light_direction", "LIGHT_DIRECTION" },
{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_BOOLEAN, "light_is_directional", "LIGHT_IS_DIRECTIONAL" },
{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "light_energy", "LIGHT_ENERGY" },
{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_3D, "light_vertex", "LIGHT_VERTEX" },
{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_4D, "shadow", "SHADOW_MODULATE" },
{ Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR_2D, "screen_uv", "SCREEN_UV" },

2
servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
View file

@ -2512,6 +2512,8 @@ RendererCanvasRenderRD::RendererCanvasRenderRD() {
actions.renames["VERTEX_ID"] = "gl_VertexIndex";
actions.renames["LIGHT_POSITION"] = "light_position";
actions.renames["LIGHT_DIRECTION"] = "light_direction";
actions.renames["LIGHT_IS_DIRECTIONAL"] = "is_directional";
actions.renames["LIGHT_COLOR"] = "light_color";
actions.renames["LIGHT_ENERGY"] = "light_energy";
actions.renames["LIGHT"] = "light";

9
servers/rendering/renderer_rd/shaders/canvas.glsl
View file

@ -313,6 +313,14 @@ vec4 light_compute(
vec2 uv,
vec4 color, bool is_directional) {
vec4 light = vec4(0.0);
vec3 light_direction = vec3(0.0);
if (is_directional) {
light_direction = normalize(mix(vec3(light_position.xy, 0.0), vec3(0, 0, 1), light_position.z));
light_position = vec3(0.0);
} else {
light_direction = normalize(light_position - light_vertex);
}
#CODE : LIGHT
@ -686,7 +694,6 @@ void main() {
vec3 light_pos = vec3(light_array.data[light_base].position, light_array.data[light_base].height);
vec3 pos = light_vertex;
vec3 light_vec = normalize(light_pos - pos);
float cNdotL = max(0.0, dot(normal, light_vec));
light_color.rgb = light_normal_compute(light_vec, normal, base_color, light_color.rgb, specular_shininess, specular_shininess_used);
}

3
servers/rendering/shader_types.cpp
View file

@ -297,6 +297,9 @@ ShaderTypes::ShaderTypes() {
shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["SPECULAR_SHININESS"] = constt(ShaderLanguage::TYPE_VEC4);
shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_POSITION"] = constt(ShaderLanguage::TYPE_VEC3);
shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3);
shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT);
shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_IS_DIRECTIONAL"] = constt(ShaderLanguage::TYPE_BOOL);
shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_VERTEX"] = constt(ShaderLanguage::TYPE_VEC3);
shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT"] = ShaderLanguage::TYPE_VEC4;
shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["SHADOW_MODULATE"] = ShaderLanguage::TYPE_VEC4;