diff options
| -rw-r--r-- | src/library_gl.js | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/library_gl.js b/src/library_gl.js index f5fc5f35..6af4a86c 100644 --- a/src/library_gl.js +++ b/src/library_gl.js @@ -1919,6 +1919,13 @@ var LibraryGL = { return id; }; + function ensurePrecision(source) { + if (!/precision +(low|medium|high)p +float *;/.test(source)) { + source = 'precision mediump float;\n' + source; + } + return source; + } + var glShaderSource = _glShaderSource; _glShaderSource = function _glShaderSource(shader, count, string, length) { var source = GL.getSource(shader, count, string, length); @@ -1992,6 +1999,7 @@ var LibraryGL = { source = 'varying float v_fogFragCoord; \n' + source.replace(/gl_FogFragCoord/g, 'v_fogFragCoord'); } + source = ensurePrecision(source); } else { // Fragment shader for (var i = 0; i < GL.immediate.MAX_TEXTURES; i++) { var old = source; @@ -2023,7 +2031,7 @@ var LibraryGL = { source = 'varying float v_fogFragCoord; \n' + source.replace(/gl_FogFragCoord/g, 'v_fogFragCoord'); } - source = 'precision mediump float;\n' + source; + source = ensurePrecision(source); } #if GL_DEBUG GL.shaderSources[shader] = source; |