From 42ca9a490f404c33ab4462ed44afec22c3ecc82b Mon Sep 17 00:00:00 2001
From: "gman@google.com" <gman@google.com@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Mon, 29 Jun 2009 23:14:43 +0000
Subject: Add support for Param Arrays for Effect parameters.

Arrays of floats, float2, float3, float4, Matrix4,
int, bool and sampler are all supported.

I'll enable the test for selenium and check in
a screenshot in another build.

Review URL: http://codereview.chromium.org/125188

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@19548 0039d316-1c4b-4281-b951-d872f2087c98
---
 o3d/samples/o3djs/effect.js | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'o3d/samples')

diff --git a/o3d/samples/o3djs/effect.js b/o3d/samples/o3djs/effect.js
index d9d22c4..3031cee 100644
--- a/o3d/samples/o3djs/effect.js
+++ b/o3d/samples/o3djs/effect.js
@@ -737,3 +737,36 @@ o3djs.effect.attachStandardShader = function(pack,
   }
 };
 
+/**
+ * Creates the uniform parameters needed for an Effect on the given ParamObject.
+ * @param {!o3d.Pack} pack Pack to create extra objects in like Samplers and
+ *     ParamArrays.
+ * @param {!o3d.Effect} effect Effect.
+ * @param {!o3d.ParamObject} paramObject ParamObject on which to create Params.
+ */
+o3djs.effect.createUniformParameters = function(pack, effect, paramObject) {
+  effect.createUniformParameters(paramObject);
+  var infos = effect.getParameterInfo();
+  for (var ii = 0; ii < infos.length; ++ii) {
+    var info = infos[ii];
+    if (info.sasClassName.length == 0) {
+      if (info.numElements > 0) {
+        var paramArray = pack.createObject('ParamArray');
+        var param = paramObject.getParam(info.name);
+        param.value = paramArray;
+        paramArray.resize(info.numElements, info.className);
+        if (info.className == 'o3d.ParamSampler') {
+          for (var jj = 0; jj < info.numElements; ++jj) {
+            var sampler = pack.createObject('Sampler');
+            paramArray.getParam(jj).value = sampler;
+          }
+        }
+      } else if (info.className == 'o3d.ParamSampler') {
+        var sampler = pack.createObject('Sampler');
+        var param = paramObject.getParam(info.name);
+        param.value = sampler;
+      }
+    }
+  }
+};
+
-- 
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