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Merge pull request #38 from elemoine/webgl-point-uint

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Fix assert in WebGL replay
This commit is contained in:
Éric Lemoine
2014-11-21 10:20:44 +01:00
parent ee54d21b89 05f71383f9
commit a665b76f8f
1 changed files with 7 additions and 5 deletions
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12
src/ol/render/webgl/webglreplay.js
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@@ -434,17 +434,19 @@ ol.render.webgl.ImageReplay.prototype.finish = function(context) {
this.indicesBuffer_ = gl.createBuffer();
gl.bindBuffer(goog.webgl.ELEMENT_ARRAY_BUFFER, this.indicesBuffer_);
var indices = this.indices_;
var /** @type {ArrayBufferView} */ arrayBuffer, bits;
if (context.hasOESElementIndexUint) {
bits = 32;
arrayBuffer = new Uint32Array(this.indices_);
arrayBuffer = new Uint32Array(indices);
} else {
bits = 16;
arrayBuffer = new Uint16Array(this.indices_);
arrayBuffer = new Uint16Array(indices);
}
goog.asserts.assert(this.indices_[this.indices_.length - 1] < (1 << bits),
'Too large element index detected, and OES_element_index_uint ' +
'extension not available.');
goog.asserts.assert(indices[indices.length - 1] < Math.pow(2, bits),
'Too large element index detected [%s] (OES_element_index_uint "%s")',
indices[indices.length - 1], context.hasOESElementIndexUint);
gl.bufferData(goog.webgl.ELEMENT_ARRAY_BUFFER, arrayBuffer,
goog.webgl.STATIC_DRAW);