Cp ie11 fixes (#9412)

* Fix for IE11 not supporting startsWith (#9409) * Fix webgl error for IE11 with uploading painter::emptyTexture (#9410) Co-authored-by: Karim Naaji <karim.naaji@gmail.com>
mapbox · Mar 12, 2020 · 53d21db · 53d21db
1 parent 8f342c1
commit 53d21db
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diff --git a/src/data/program_configuration.js b/src/data/program_configuration.js
@@ -144,7 +144,7 @@ class CrossFadedConstantBinder implements UniformBinder {
     }
 
     getBinding(context: Context, location: WebGLUniformLocation, name: string): $Shape<Uniform<any>> {
-        return name.startsWith('u_pattern') ?
+        return name.substr(0, 9) === 'u_pattern' ?
             new Uniform4f(context, location) :
             new Uniform1f(context, location);
     }

diff --git a/src/render/painter.js b/src/render/painter.js
@@ -210,7 +210,7 @@ class Painter {
         this.emptyTexture = new Texture(context, {
             width: 1,
             height: 1,
-            data: new Uint8ClampedArray([0, 0, 0, 0])
+            data: new Uint8Array([0, 0, 0, 0])
         }, context.gl.RGBA);
 
         const gl = this.context.gl;