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Diffstat (limited to 'scripts/build-shaders.js')
-rwxr-xr-x | scripts/build-shaders.js | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/scripts/build-shaders.js b/scripts/build-shaders.js deleted file mode 100755 index 00ced5f23b..0000000000 --- a/scripts/build-shaders.js +++ /dev/null @@ -1,75 +0,0 @@ -#!/usr/bin/env node - -var path = require('path'); -var fs = require('fs'); -var mkdirp = require('mkdirp'); - -var shaderName = process.argv[2]; -var inputPath = process.argv[3]; -var outputPath = process.argv[4]; - -if (!shaderName || !inputPath || !outputPath) { - console.warn('Not enough arguments.'); - console.warn('Usage: %s shaderName /path-to-shader-sources /output-path', path.basename(process.argv[1])); - process.exit(1); -} - -function applyPragmas(source, pragmas) { - return source.replace(/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g, (match, operation, precision, type, name) => { - return pragmas[operation] - .join("\n") - .replace(/\{type\}/g, type) - .replace(/\{precision\}/g, precision) - .replace(/\{name\}/g, name); - }); -} - -function vertexSource() { - var prelude = fs.readFileSync(path.join(inputPath, '_prelude.vertex.glsl')); - var source = fs.readFileSync(path.join(inputPath, shaderName + '.vertex.glsl'), 'utf8'); - return prelude + applyPragmas(source, { - define: [ - "uniform lowp float a_{name}_t;", - "attribute {precision} {type} a_{name}_min;", - "attribute {precision} {type} a_{name}_max;", - "varying {precision} {type} {name};" - ], - initialize: [ - "{name} = mix(a_{name}_min, a_{name}_max, a_{name}_t);" - ] - }); -} - -function fragmentSource() { - var prelude = fs.readFileSync(path.join(inputPath, '_prelude.fragment.glsl')); - var source = fs.readFileSync(path.join(inputPath, shaderName + '.fragment.glsl'), 'utf8'); - return prelude + applyPragmas(source, { - define: [ - "varying {precision} {type} {name};" - ], - initialize: [ - ] - }); -} - -var content = "#pragma once\n" + -"\n" + -"// NOTE: DO NOT CHANGE THIS FILE. IT IS AUTOMATICALLY GENERATED.\n" + -"\n" + -"#include <mbgl/gl/gl.hpp>\n" + -"\n" + -"namespace mbgl {\n" + -"namespace shaders {\n" + -"\n" + -"class " + shaderName + " {\n" + -"public:\n" + -" static constexpr const char* name = \"" + shaderName + "\";\n" + -" static constexpr const char* vertexSource = R\"MBGL_SHADER(\n" + vertexSource() + ")MBGL_SHADER\";\n" + -" static constexpr const char* fragmentSource = R\"MBGL_SHADER(\n" + fragmentSource() + ")MBGL_SHADER\";\n" + -"};\n" + -"\n" + -"} // namespace shaders\n" + -"} // namespace mbgl\n"; - -mkdirp.sync(outputPath); -fs.writeFileSync(path.join(outputPath, shaderName + '.hpp'), content); |