private static void AppendFragmentShader(List <VertexAttributeRenderInfo> attributes, StringBuilder shaderSource)
{
GlslUtils.AppendShadingLanguageVersion(shaderSource);
GlslUtils.AppendFragmentInputs(attributes, shaderSource);
GlslUtils.AppendFragmentOutput(shaderSource);
shaderSource.AppendLine($"uniform int {attribIndexName};");
AppendFragmentMainFunction(attributes, shaderSource);
}
private static void AppendFragmentShader(List <TextureRenderInfo> textures,
List <VertexAttributeRenderInfo> attributes, StringBuilder shaderSource,
string uv0, string normal)
{
GlslUtils.AppendShadingLanguageVersion(shaderSource);
GlslUtils.AppendFragmentInputs(attributes, shaderSource);
AppendViewNormalInput(shaderSource);
GlslUtils.AppendFragmentOutput(shaderSource);
AppendTextureUniforms(textures, shaderSource);
GlslUtils.AppendMatrixUniform(shaderSource);
shaderSource.AppendLine($"uniform int {attribIndexName};");
AppendFragmentMainFunction(textures, shaderSource, uv0, normal);
}