diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/library_gl.js | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/library_gl.js b/src/library_gl.js index 5ffa9bc0..713763d2 100644 --- a/src/library_gl.js +++ b/src/library_gl.js @@ -416,6 +416,9 @@ var LibraryGL = { // In GLES2, uniforms are accessed via indices. Therefore we must generate a mapping of indices -> WebGLUniformLocations // to provide the client code the API that uses indices. // This function takes a linked GL program and generates a mapping table for the program. + // NOTE: Populating the uniform table is performed eagerly at glLinkProgram time, so glLinkProgram should be considered + // to be a slow/costly function call. Calling glGetUniformLocation is relatively fast, since it is always a read-only + // lookup to the table populated in this function call. populateUniformTable: function(program) { #if GL_ASSERTIONS GL.validateGLObjectID(GL.programs, program, 'populateUniformTable', 'program'); |