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Merge pull request #1535 from twpayne/vector-api-square-tiles

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[vector-api] Only support square tiles
This commit is contained in:
Tom Payne
2014-01-15 01:46:34 -08:00
parent b95e61cf5c d5c1e53e48
commit 086bb47b8c
13 changed files with 89 additions and 93 deletions
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34
src/ol/renderer/webgl/webglmaprenderer.js
View File

@@ -76,9 +76,9 @@ ol.renderer.webgl.Map = function(container, map) {
/**
* @private
* @type {ol.Size}
* @type {number}
*/
this.clipTileCanvasSize_ = [0, 0];
this.clipTileCanvasSize_ = 0;
/**
* @private
@@ -170,12 +170,10 @@ ol.renderer.webgl.Map = function(container, map) {
this.tileTextureQueue_.reprioritize();
var element = this.tileTextureQueue_.dequeue();
var tile = /** @type {ol.Tile} */ (element[0]);
var tileWidth = /** @type {number} */ (element[3]);
var tileHeight = /** @type {number} */ (element[4]);
var tileGutter = /** @type {number} */ (element[5]);
this.bindTileTexture(tile,
tileWidth, tileHeight, tileGutter,
goog.webgl.LINEAR, goog.webgl.LINEAR);
var tileSize = /** @type {number} */ (element[3]);
var tileGutter = /** @type {number} */ (element[4]);
this.bindTileTexture(
tile, tileSize, tileGutter, goog.webgl.LINEAR, goog.webgl.LINEAR);
}
}, this);
@@ -193,14 +191,13 @@ goog.inherits(ol.renderer.webgl.Map, ol.renderer.Map);
/**
* @param {ol.Tile} tile Tile.
* @param {number} tileWidth Tile width.
* @param {number} tileHeight Tile height.
* @param {number} tileSize Tile size.
* @param {number} tileGutter Tile gutter.
* @param {number} magFilter Mag filter.
* @param {number} minFilter Min filter.
*/
ol.renderer.webgl.Map.prototype.bindTileTexture =
function(tile, tileWidth, tileHeight, tileGutter, magFilter, minFilter) {
function(tile, tileSize, tileGutter, magFilter, minFilter) {
var gl = this.getGL();
var tileKey = tile.getKey();
if (this.textureCache_.containsKey(tileKey)) {
@@ -222,19 +219,16 @@ ol.renderer.webgl.Map.prototype.bindTileTexture =
gl.bindTexture(goog.webgl.TEXTURE_2D, texture);
if (tileGutter > 0) {
var clipTileCanvas = this.clipTileCanvas_;
var clipTileCanvasSize = this.clipTileCanvasSize_;
var clipTileContext = this.clipTileContext_;
if (clipTileCanvasSize[0] != tileWidth ||
clipTileCanvasSize[1] != tileHeight) {
clipTileCanvas.width = tileWidth;
clipTileCanvas.height = tileHeight;
clipTileCanvasSize[0] = tileWidth;
clipTileCanvasSize[1] = tileHeight;
if (this.clipTileCanvasSize_ != tileSize) {
clipTileCanvas.width = tileSize;
clipTileCanvas.height = tileSize;
this.clipTileCanvasSize_ = tileSize;
} else {
clipTileContext.clearRect(0, 0, tileWidth, tileHeight);
clipTileContext.clearRect(0, 0, tileSize, tileSize);
}
clipTileContext.drawImage(tile.getImage(), tileGutter, tileGutter,
tileWidth, tileHeight, 0, 0, tileWidth, tileHeight);
tileSize, tileSize, 0, 0, tileSize, tileSize);
gl.texImage2D(goog.webgl.TEXTURE_2D, 0,
goog.webgl.RGBA, goog.webgl.RGBA,
goog.webgl.UNSIGNED_BYTE, clipTileCanvas);

14
src/ol/renderer/webgl/webgltilelayerrenderer.js
View File

@@ -152,14 +152,13 @@ ol.renderer.webgl.TileLayer.prototype.prepareFrame =
var tileRangeSize = tileRange.getSize();
var maxDimension = Math.max(
tileRangeSize[0] * tileSize[0],
tileRangeSize[1] * tileSize[1]);
var maxDimension =
Math.max(tileRangeSize[0] * tileSize, tileRangeSize[1] * tileSize);
var framebufferDimension = ol.math.roundUpToPowerOfTwo(maxDimension);
var framebufferExtentDimension = tileResolution * framebufferDimension;
var origin = tileGrid.getOrigin(z);
var minX = origin[0] + tileRange.minX * tileSize[0] * tileResolution;
var minY = origin[1] + tileRange.minY * tileSize[1] * tileResolution;
var minX = origin[0] + tileRange.minX * tileSize * tileResolution;
var minY = origin[1] + tileRange.minY * tileSize * tileResolution;
framebufferExtent = [
minX, minY,
minX + framebufferExtentDimension, minY + framebufferExtentDimension
@@ -255,8 +254,7 @@ ol.renderer.webgl.TileLayer.prototype.prepareFrame =
framebufferExtentDimension - 1;
goog.vec.Vec4.setFromValues(u_tileOffset, sx, sy, tx, ty);
gl.uniform4fv(this.locations_.u_tileOffset, u_tileOffset);
mapRenderer.bindTileTexture(tile,
tileSize[0], tileSize[1], tileGutter,
mapRenderer.bindTileTexture(tile, tileSize, tileGutter,
goog.webgl.LINEAR, goog.webgl.LINEAR);
gl.drawArrays(goog.webgl.TRIANGLE_STRIP, 0, 4);
}
@@ -291,7 +289,7 @@ ol.renderer.webgl.TileLayer.prototype.prepareFrame =
tile,
tileGrid.getTileCoordCenter(tile.tileCoord),
tileGrid.getResolution(tile.tileCoord.z),
tileSize[0], tileSize[1], tileGutter
tileSize, tileGutter
]);
}
}, this);