Port ol.renderer.webgl to new extents

This commit is contained in:
Tom Payne
2013-04-16 16:25:46 +02:00
parent 10d1be695d
commit 305089d84f
3 changed files with 26 additions and 24 deletions

View File

@@ -169,11 +169,13 @@ ol.renderer.webgl.ImageLayer.prototype.updateProjectionMatrix_ =
2 / canvasExtentWidth, 2 / canvasExtentHeight, 1); 2 / canvasExtentWidth, 2 / canvasExtentHeight, 1);
goog.vec.Mat4.rotateZ(projectionMatrix, -viewRotation); goog.vec.Mat4.rotateZ(projectionMatrix, -viewRotation);
goog.vec.Mat4.translate(projectionMatrix, goog.vec.Mat4.translate(projectionMatrix,
imageExtent.minX - viewCenter[0], imageExtent[0] - viewCenter[0],
imageExtent.minY - viewCenter[1], imageExtent[2] - viewCenter[1],
0); 0);
goog.vec.Mat4.scale(projectionMatrix, goog.vec.Mat4.scale(projectionMatrix,
imageExtent.getWidth() / 2, imageExtent.getHeight() / 2, 1); (imageExtent[1] - imageExtent[0]) / 2,
(imageExtent[3] - imageExtent[2]) / 2,
1);
goog.vec.Mat4.translate(projectionMatrix, 1, 1, 0); goog.vec.Mat4.translate(projectionMatrix, 1, 1, 0);
}; };

View File

@@ -8,11 +8,11 @@ goog.require('goog.object');
goog.require('goog.vec.Mat4'); goog.require('goog.vec.Mat4');
goog.require('goog.vec.Vec4'); goog.require('goog.vec.Vec4');
goog.require('goog.webgl'); goog.require('goog.webgl');
goog.require('ol.Extent');
goog.require('ol.Size'); goog.require('ol.Size');
goog.require('ol.Tile'); goog.require('ol.Tile');
goog.require('ol.TileRange'); goog.require('ol.TileRange');
goog.require('ol.TileState'); goog.require('ol.TileState');
goog.require('ol.extent');
goog.require('ol.layer.TileLayer'); goog.require('ol.layer.TileLayer');
goog.require('ol.math'); goog.require('ol.math');
goog.require('ol.renderer.webgl.Layer'); goog.require('ol.renderer.webgl.Layer');
@@ -129,7 +129,7 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
var extent; var extent;
if (tileResolution == view2DState.resolution) { if (tileResolution == view2DState.resolution) {
center = this.snapCenterToPixel(center, tileResolution, frameState.size); center = this.snapCenterToPixel(center, tileResolution, frameState.size);
extent = ol.Extent.getForView2DAndSize( extent = ol.extent.getForView2DAndSize(
center, tileResolution, view2DState.rotation, frameState.size); center, tileResolution, view2DState.rotation, frameState.size);
} else { } else {
extent = frameState.extent; extent = frameState.extent;
@@ -156,11 +156,10 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
var origin = tileGrid.getOrigin(z); var origin = tileGrid.getOrigin(z);
var minX = origin[0] + tileRange.minX * tileSize.width * tileResolution; var minX = origin[0] + tileRange.minX * tileSize.width * tileResolution;
var minY = origin[1] + tileRange.minY * tileSize.height * tileResolution; var minY = origin[1] + tileRange.minY * tileSize.height * tileResolution;
framebufferExtent = new ol.Extent( framebufferExtent = [
minX, minX, minX + framebufferExtentSize.width,
minY, minY, minY + framebufferExtentSize.height
minX + framebufferExtentSize.width, ];
minY + framebufferExtentSize.height);
this.bindFramebuffer(frameState, framebufferDimension); this.bindFramebuffer(frameState, framebufferDimension);
gl.viewport(0, 0, framebufferDimension, framebufferDimension); gl.viewport(0, 0, framebufferDimension, framebufferDimension);
@@ -200,7 +199,7 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
tilesToDrawByZ, getTileIfLoaded); tilesToDrawByZ, getTileIfLoaded);
var allTilesLoaded = true; var allTilesLoaded = true;
var tmpExtent = new ol.Extent(0, 0, 0, 0); var tmpExtent = ol.extent.createEmptyExtent();
var tmpTileRange = new ol.TileRange(0, 0, 0, 0); var tmpTileRange = new ol.TileRange(0, 0, 0, 0);
var childTileRange, fullyLoaded, tile, tileState, x, y; var childTileRange, fullyLoaded, tile, tileState, x, y;
for (x = tileRange.minX; x <= tileRange.maxX; ++x) { for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
@@ -240,11 +239,13 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
goog.array.forEach(zs, function(z) { goog.array.forEach(zs, function(z) {
goog.object.forEach(tilesToDrawByZ[z], function(tile) { goog.object.forEach(tilesToDrawByZ[z], function(tile) {
var tileExtent = tileGrid.getTileCoordExtent(tile.tileCoord, tmpExtent); var tileExtent = tileGrid.getTileCoordExtent(tile.tileCoord, tmpExtent);
var sx = 2 * tileExtent.getWidth() / framebufferExtentSize.width; var sx =
var sy = 2 * tileExtent.getHeight() / framebufferExtentSize.height; 2 * (tileExtent[1] - tileExtent[0]) / framebufferExtentSize.width;
var tx = 2 * (tileExtent.minX - framebufferExtent.minX) / var sy =
2 * (tileExtent[3] - tileExtent[2]) / framebufferExtentSize.height;
var tx = 2 * (tileExtent[0] - framebufferExtent[0]) /
framebufferExtentSize.width - 1; framebufferExtentSize.width - 1;
var ty = 2 * (tileExtent.minY - framebufferExtent.minY) / var ty = 2 * (tileExtent[2] - framebufferExtent[2]) /
framebufferExtentSize.height - 1; framebufferExtentSize.height - 1;
goog.vec.Vec4.setFromValues(u_tileOffset, sx, sy, tx, ty); goog.vec.Vec4.setFromValues(u_tileOffset, sx, sy, tx, ty);
gl.uniform4fv(this.locations_.u_tileOffset, u_tileOffset); gl.uniform4fv(this.locations_.u_tileOffset, u_tileOffset);
@@ -286,17 +287,17 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
var texCoordMatrix = this.texCoordMatrix; var texCoordMatrix = this.texCoordMatrix;
goog.vec.Mat4.makeIdentity(texCoordMatrix); goog.vec.Mat4.makeIdentity(texCoordMatrix);
goog.vec.Mat4.translate(texCoordMatrix, goog.vec.Mat4.translate(texCoordMatrix,
(center[0] - framebufferExtent.minX) / (center[0] - framebufferExtent[0]) /
(framebufferExtent.maxX - framebufferExtent.minX), (framebufferExtent[1] - framebufferExtent[0]),
(center[1] - framebufferExtent.minY) / (center[1] - framebufferExtent[2]) /
(framebufferExtent.maxY - framebufferExtent.minY), (framebufferExtent[3] - framebufferExtent[2]),
0); 0);
goog.vec.Mat4.rotateZ(texCoordMatrix, view2DState.rotation); goog.vec.Mat4.rotateZ(texCoordMatrix, view2DState.rotation);
goog.vec.Mat4.scale(texCoordMatrix, goog.vec.Mat4.scale(texCoordMatrix,
frameState.size.width * view2DState.resolution / frameState.size.width * view2DState.resolution /
(framebufferExtent.maxX - framebufferExtent.minX), (framebufferExtent[1] - framebufferExtent[0]),
frameState.size.height * view2DState.resolution / frameState.size.height * view2DState.resolution /
(framebufferExtent.maxY - framebufferExtent.minY), (framebufferExtent[3] - framebufferExtent[2]),
1); 1);
goog.vec.Mat4.translate(texCoordMatrix, goog.vec.Mat4.translate(texCoordMatrix,
-0.5, -0.5,

View File

@@ -18,7 +18,7 @@ describe('ol.renderer.webgl.ImageLayer', function() {
}); });
var layer = new ol.layer.ImageLayer({ var layer = new ol.layer.ImageLayer({
source: new ol.source.ImageSource({ source: new ol.source.ImageSource({
extent: new ol.Extent(0, 0, 1, 1) extent: [0, 1, 0, 1]
}) })
}); });
renderer = new ol.renderer.webgl.ImageLayer(map.getRenderer(), layer); renderer = new ol.renderer.webgl.ImageLayer(map.getRenderer(), layer);
@@ -33,7 +33,7 @@ describe('ol.renderer.webgl.ImageLayer', function() {
// image size is 1024, 768 // image size is 1024, 768
// image resolution is 10 // image resolution is 10
imageExtent = new ol.Extent(0, 0, 10240, 7680); imageExtent = [0, 10240, 0, 7680];
}); });
afterEach(function() { afterEach(function() {
@@ -79,7 +79,6 @@ describe('ol.renderer.webgl.ImageLayer', function() {
goog.require('goog.vec.Mat4'); goog.require('goog.vec.Mat4');
goog.require('goog.vec.Vec4'); goog.require('goog.vec.Vec4');
goog.require('ol.Extent');
goog.require('ol.Map'); goog.require('ol.Map');
goog.require('ol.layer.ImageLayer'); goog.require('ol.layer.ImageLayer');
goog.require('ol.source.ImageSource'); goog.require('ol.source.ImageSource');