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#!/usr/bin/env node
require('flow-remove-types/register');
const path = require('path');
const outputPath = 'src/mbgl/shaders';
var shaders = require('../mapbox-gl-js/src/shaders');
delete shaders.hillshade;
delete shaders.hillshadePrepare;
delete shaders.heatmap;
delete shaders.heatmapTexture;
require('./style-code');
writeIfModified(path.join(outputPath, 'preludes.hpp'), `// NOTE: DO NOT CHANGE THIS FILE. IT IS AUTOMATICALLY GENERATED.
#pragma once
namespace mbgl {
namespace shaders {
extern const char* vertexPrelude;
extern const char* fragmentPrelude;
} // namespace shaders
} // namespace mbgl
`);
writeIfModified(path.join(outputPath, 'preludes.cpp'), `// NOTE: DO NOT CHANGE THIS FILE. IT IS AUTOMATICALLY GENERATED.
#include <mbgl/shaders/preludes.hpp>
namespace mbgl {
namespace shaders {
const char* vertexPrelude = R"MBGL_SHADER(
${shaders.prelude.vertexSource}
)MBGL_SHADER";
const char* fragmentPrelude = R"MBGL_SHADER(
${shaders.prelude.fragmentSource}
)MBGL_SHADER";
} // namespace shaders
} // namespace mbgl
`);
for (const key in shaders) {
if (key === 'prelude')
continue;
const shaderName = key.replace(/[A-Z]+/g, (match) => `_${match.toLowerCase()}`);
writeIfModified(path.join(outputPath, `${shaderName}.hpp`), `// NOTE: DO NOT CHANGE THIS FILE. IT IS AUTOMATICALLY GENERATED.
#pragma once
namespace mbgl {
namespace shaders {
class ${shaderName} {
public:
static const char* name;
static const char* vertexSource;
static const char* fragmentSource;
};
} // namespace shaders
} // namespace mbgl
`);
writeIfModified(path.join(outputPath, `${shaderName}.cpp`), `// NOTE: DO NOT CHANGE THIS FILE. IT IS AUTOMATICALLY GENERATED.
#include <mbgl/shaders/${shaderName}.hpp>
namespace mbgl {
namespace shaders {
const char* ${shaderName}::name = "${shaderName}";
const char* ${shaderName}::vertexSource = R"MBGL_SHADER(
${shaders[key].vertexSource}
)MBGL_SHADER";
const char* ${shaderName}::fragmentSource = R"MBGL_SHADER(
${shaders[key].fragmentSource}
)MBGL_SHADER";
} // namespace shaders
} // namespace mbgl
`);
}
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