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Add a new WebGLPointsLayer type using the shader builder utilities

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This required adding a `a_index` attribute in the points layer renderer
to be able to make the precomputed shaders to work.
This commit is contained in:
Olivier Guyot
2019-09-24 17:24:54 +02:00
parent a6b8d920b7
commit 4d7562fca2
6 changed files with 142 additions and 19 deletions
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2
src/ol/renderer/webgl/PointsLayer.js
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@@ -408,6 +408,7 @@ class WebGLPointsLayerRenderer extends WebGLLayerRenderer {
this.helper.enableAttributeArray(DefaultAttrib.OPACITY, 1, FLOAT, bytesPerFloat * stride, bytesPerFloat * 6);
this.helper.enableAttributeArray(DefaultAttrib.ROTATE_WITH_VIEW, 1, FLOAT, bytesPerFloat * stride, bytesPerFloat * 7);
this.helper.enableAttributeArray(DefaultAttrib.COLOR, 4, FLOAT, bytesPerFloat * stride, bytesPerFloat * 8);
this.helper.enableAttributeArray('a_index', 1, FLOAT, bytesPerFloat * stride, bytesPerFloat * 12);
return true;
}
@@ -568,6 +569,7 @@ class WebGLPointsLayerRenderer extends WebGLLayerRenderer {
this.helper.enableAttributeArray(DefaultAttrib.OPACITY, 1, FLOAT, bytesPerFloat * stride, bytesPerFloat * 6);
this.helper.enableAttributeArray(DefaultAttrib.ROTATE_WITH_VIEW, 1, FLOAT, bytesPerFloat * stride, bytesPerFloat * 7);
this.helper.enableAttributeArray(DefaultAttrib.COLOR, 4, FLOAT, bytesPerFloat * stride, bytesPerFloat * 8);
this.helper.enableAttributeArray('a_index', 1, FLOAT, bytesPerFloat * stride, bytesPerFloat * 12);
const renderCount = this.indicesBuffer_.getSize();
this.helper.drawElements(0, renderCount);