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src/data/shaders.h

@@ -1,6 +1,10 @@
 const char * vs =
+#ifdef EMSCRIPTEN
+	"#version 300 es\n"
+	"precision highp float;"
+#else
 	"#version 330 core\n"
-
+#endif
 	"layout (location = 0) in float aPos_x;"
 	"layout (location = 1) in float aPos_y;"
 	"layout (location = 2) in float aPos_z;"
@@ -32,8 +36,14 @@ const char * vs =
 
 	
 const char * fs_plain =
-	"#version 330 core\n"
+#ifdef EMSCRIPTEN
+	"#version 300 es\n"
 
+	"precision highp float;"
+	"precision highp sampler2DArray;"
+#else
+	"#version 330 core\n"
+#endif
 	"uniform sampler2DArray palette;"
 
 	"in float index;"
@@ -47,7 +57,13 @@ const char * fs_plain =
 	"}";
 
 const char * fs =
+#ifdef EMSCRIPTEN
+    "#version 300 es\n"
+	"precision highp float;"
+	"precision highp sampler2DArray;"
+#else
     "#version 330 core\n"
+#endif
 
     "uniform sampler2DArray palette;"