generateExtensions method
String
generateExtensions(
- dynamic parameters
)
Implementation
String generateExtensions(parameters) {
final chunks = [
(parameters.extensionDerivatives ||
parameters.cubeUVHeight ||
parameters.bumpMap ||
parameters.tangentSpaceNormalMap ||
parameters.clearcoatNormalMap ||
parameters.flatShading ||
parameters.shaderID == 'physical')
? '#extension GL_OES_standard_derivatives : enable'
: '',
(parameters.extensionFragDepth || parameters.logarithmicDepthBuffer) && parameters.rendererExtensionFragDepth
? '#extension GL_EXT_frag_depth : enable'
: '',
(parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers)
? '#extension GL_EXT_draw_buffers : require'
: '',
(parameters.extensionShaderTextureLOD || parameters.envMap) && parameters.rendererExtensionShaderTextureLod
? '#extension GL_EXT_shader_texture_lod : enable'
: ''
];
return chunks.where((s) => filterEmptyLine(s)).join('\n');
}