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Defer WebGL resource deletion to post-frame

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This commit is contained in:
Tom Payne
2012-08-16 23:31:43 +02:00
parent 5df59d047d
commit f4e0404336
1 changed files with 27 additions and 3 deletions
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30
src/ol/webgl/tilelayerrenderer.js
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@@ -1,6 +1,6 @@
// FIXME large resolutions lead to too large framebuffers :-(
// FIXME animated shaders! check in redraw
// FIXME defer texture uploads and delete* calls
// FIXME defer texture uploads
goog.provide('ol.webgl.TileLayerRenderer');
goog.provide('ol.webgl.tilelayerrenderer');
@@ -9,12 +9,14 @@ goog.provide('ol.webgl.tilelayerrenderer.shader.Vertex');
goog.require('goog.array');
goog.require('goog.asserts');
goog.require('goog.debug.Logger');
goog.require('goog.events.EventType');
goog.require('goog.object');
goog.require('goog.vec.Mat4');
goog.require('goog.vec.Vec4');
goog.require('goog.webgl');
goog.require('ol.Coordinate');
goog.require('ol.MapEventType');
goog.require('ol.Size');
goog.require('ol.TileLayer');
goog.require('ol.TileState');
@@ -165,8 +167,30 @@ ol.webgl.TileLayerRenderer.prototype.bindFramebuffer_ =
if (!goog.isDef(this.framebufferDimension_) ||
this.framebufferDimension_ != framebufferDimension) {
gl.deleteFramebuffer(this.framebuffer_);
gl.deleteTexture(this.texture_);
if (goog.DEBUG) {
ol.webgl.tilelayerrenderer.logger.info('re-sizing framebuffer');
}
if (ol.webgl.FREE_RESOURCES_IMMEDIATELY) {
if (goog.DEBUG) {
ol.webgl.tilelayerrenderer.logger.info('freeing WebGL resources');
}
gl.deleteFramebuffer(this.framebuffer_);
gl.deleteTexture(this.texture_);
} else {
var map = this.getMap();
goog.events.listenOnce(
map,
ol.MapEventType.POST_RENDER,
goog.partial(function(gl, framebuffer, texture) {
if (goog.DEBUG) {
ol.webgl.tilelayerrenderer.logger.info(
'freeing WebGL resources on postrender');
}
gl.deleteFramebuffer(framebuffer);
gl.deleteTexture(texture);
}, gl, this.framebuffer_, this.texture_));
}
var texture = gl.createTexture();
gl.bindTexture(goog.webgl.TEXTURE_2D, texture);