emscripten support

1 files changed, 77 insertions, 0 deletions

diff --git a/bin/build-shaders.js b/bin/build-shaders.js
new file mode 100755
index 0000000000..d8d7a46bbb
--- /dev/null
+++ b/bin/build-shaders.js
@@ -0,0 +1,77 @@
+#!/usr/bin/env node
+'use strict';
+
+var fs = require('fs');
+var path = require('path');
+
+module.exports = function() {
+    var name;
+    var shaders = {};
+
+    var shaderFiles = fs.readdirSync('src/shader');
+
+    for (var i = 0; i < shaderFiles.length; i++) {
+        var parts = shaderFiles[i].match(/^(.+)\.(vertex|fragment)\.glsl$/);
+        if (parts) {
+            name = parts[1];
+            var type = parts[2];
+            if (!(name in shaders)) {
+                shaders[name] = {};
+            }
+            shaders[name][type] = fs.readFileSync(path.join('src/shader', shaderFiles[i]), 'utf8');
+        }
+    }
+
+    var lines = [];
+    var consts = [];
+    for (var name in shaders) {
+        consts.push(name.toUpperCase() + '_SHADER');
+
+        var line = '';
+        line += '   [' + name.toUpperCase() + '_SHADER] = {\n';
+        line += '       .vertex = ' + JSON.stringify(shaders[name].vertex) + ',\n';
+        line += '       .fragment = ' + JSON.stringify(shaders[name].fragment) + ',\n';
+        line += '   }';
+        lines.push(line);
+    }
+
+    var header = '// NOTE: DO NOT CHANGE THIS FILE. IT IS AUTOMATICALLY GENERATED.\n\n';
+    header += '#ifndef LLMR_SHADER_SHADERS\n';
+    header += '#define LLMR_SHADER_SHADERS\n';
+    header += '\n';
+    header += '#ifdef __cplusplus\n';
+    header += 'extern "C" {\n';
+    header += '#endif\n';
+    header += '\n';
+    header += 'struct llmr_shader {\n';
+    header += '    const char *vertex;\n';
+    header += '    const char *fragment;\n';
+    header += '};\n';
+    header += 'typedef struct llmr_shader llmr_shader_t;\n'
+    header += '\n';
+    header += 'enum {\n';
+    consts.push('SHADER_COUNT');
+    header += '    ' + consts.join(',\n    ') + '\n';
+    header += '};\n';
+    header += '\n';
+    header += 'extern const llmr_shader_t llmr_shaders[SHADER_COUNT];\n';
+    header += '\n';
+    header += '#ifdef __cplusplus\n';
+    header += '}\n';
+    header += '#endif\n';
+    header += '\n';
+    header += '#endif\n';
+    fs.writeFileSync('include/llmr/shader/shaders.h', header);
+
+
+    var code = '// NOTE: DO NOT CHANGE THIS FILE. IT IS AUTOMATICALLY GENERATED.\n';
+    code += '#include <llmr/shader/shaders.h>\n';
+    code += '\n';
+    code += 'const llmr_shader_t llmr_shaders[SHADER_COUNT] = {\n';
+    code += lines.join(',\n');
+    code += '\n};\n';
+
+    fs.writeFileSync('src/shader/shaders.c', code);
+};
+
+module.exports();