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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/209884">209884</a></dd>
<dt>Author</dt> <dd>bshafiei@apple.com</dd>
<dt>Date</dt> <dd>2016-12-15 15:58:35 -0800 (Thu, 15 Dec 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Roll out <a href="http://trac.webkit.org/projects/webkit/changeset/204664">r204664</a>. rdar://problem/29690089</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari602branchChangeLog">branches/safari-602-branch/ChangeLog</a></li>
<li><a href="#branchessafari602branchLayoutTestsChangeLog">branches/safari-602-branch/LayoutTests/ChangeLog</a></li>
<li><a href="#branchessafari602branchSourceWebCoreChangeLog">branches/safari-602-branch/Source/WebCore/ChangeLog</a></li>
<li><a href="#branchessafari602branchSourceWebCorebindingsjsJSHTMLCanvasElementCustomcpp">branches/safari-602-branch/Source/WebCore/bindings/js/JSHTMLCanvasElementCustom.cpp</a></li>
<li><a href="#branchessafari602branchSourceWebCoreplatformgraphicsmacGraphicsContext3DMacmm">branches/safari-602-branch/Source/WebCore/platform/graphics/mac/GraphicsContext3DMac.mm</a></li>
</ul>
<h3>Removed Paths</h3>
<ul>
<li><a href="#branchessafari602branchManualTestswebglpreferLowPowerToHighPerformancehtml">branches/safari-602-branch/ManualTests/webgl-preferLowPowerToHighPerformance.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="branchessafari602branchChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/ChangeLog (209883 => 209884)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/ChangeLog 2016-12-15 23:53:24 UTC (rev 209883)
+++ branches/safari-602-branch/ChangeLog 2016-12-15 23:58:35 UTC (rev 209884)
</span><span class="lines">@@ -1,5 +1,9 @@
</span><span class="cx"> 2016-12-15 Babak Shafiei <bshafiei@apple.com>
</span><span class="cx">
</span><ins>+ Roll out r204664.
+
+2016-12-15 Babak Shafiei <bshafiei@apple.com>
+
</ins><span class="cx"> Merge r204664.
</span><span class="cx">
</span><span class="cx"> 2016-08-19 Dean Jackson <dino@apple.com>
</span></span></pre></div>
<a id="branchessafari602branchLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/LayoutTests/ChangeLog (209883 => 209884)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/LayoutTests/ChangeLog 2016-12-15 23:53:24 UTC (rev 209883)
+++ branches/safari-602-branch/LayoutTests/ChangeLog 2016-12-15 23:58:35 UTC (rev 209884)
</span><span class="lines">@@ -1,5 +1,9 @@
</span><span class="cx"> 2016-12-15 Babak Shafiei <bshafiei@apple.com>
</span><span class="cx">
</span><ins>+ Roll out r204664.
+
+2016-12-15 Babak Shafiei <bshafiei@apple.com>
+
</ins><span class="cx"> Merge r204664.
</span><span class="cx">
</span><span class="cx"> 2016-08-19 Dean Jackson <dino@apple.com>
</span></span></pre></div>
<a id="branchessafari602branchManualTestswebglpreferLowPowerToHighPerformancehtml"></a>
<div class="delfile"><h4>Deleted: branches/safari-602-branch/ManualTests/webgl-preferLowPowerToHighPerformance.html (209883 => 209884)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/ManualTests/webgl-preferLowPowerToHighPerformance.html 2016-12-15 23:53:24 UTC (rev 209883)
+++ branches/safari-602-branch/ManualTests/webgl-preferLowPowerToHighPerformance.html 2016-12-15 23:58:35 UTC (rev 209884)
</span><span class="lines">@@ -1,38 +0,0 @@
</span><del>-<script>
-function createAndDescribeContext(msg, parameters)
-{
- var canvas = document.createElement("canvas");
- var gl = canvas.getContext("webgl", parameters);
- var ext = gl.getExtension("WEBGL_debug_renderer_info");
-
- var header = document.createElement("p");
- header.textContent = msg;
- document.body.appendChild(header);
-
- var result = document.createElement("pre");
- result.textContent = "UNMASKED_VENDOR_WEBGL is " + gl.getParameter(ext.UNMASKED_VENDOR_WEBGL) + "\n";
- result.textContent += "UNMASKED_RENDERER_WEBGL is " + gl.getParameter(ext.UNMASKED_RENDERER_WEBGL);
- document.body.appendChild(result);
-}
-
-function run()
-{
- createAndDescribeContext("With preferLowPowerToHighPerformance", {preferLowPowerToHighPerformance: true});
- createAndDescribeContext("Without preferLowPowerToHighPerformance", {});
-}
-
-window.addEventListener("load", run, false);
-</script>
-<p>
- This is a manual test, since it relies on hardware configurations. It creates two
- WebGL contexts. It first asks for a context with preferLowPowerToHighPerformance
- set to true, and then for a context with the default value (false).
-</p>
-<p>
- Unfortunately there isn't a completely reliable way to know if this test passed.
- On a system with both an integrated and discrete GPU, assuming that the system
- is configured to prefer the integrated GPU, and no other apps are running
- that might cause the discrete GPU to be active, the two renderers should be different.
- Also, if they are different, then the first one should be the lower power model
- (i.e. the integrated card).
-</p>
</del><span class="cx">\ No newline at end of file
</span></span></pre></div>
<a id="branchessafari602branchSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/Source/WebCore/ChangeLog (209883 => 209884)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/Source/WebCore/ChangeLog 2016-12-15 23:53:24 UTC (rev 209883)
+++ branches/safari-602-branch/Source/WebCore/ChangeLog 2016-12-15 23:58:35 UTC (rev 209884)
</span><span class="lines">@@ -1,5 +1,9 @@
</span><span class="cx"> 2016-12-15 Babak Shafiei <bshafiei@apple.com>
</span><span class="cx">
</span><ins>+ Roll out r204664.
+
+2016-12-15 Babak Shafiei <bshafiei@apple.com>
+
</ins><span class="cx"> Merge r204664.
</span><span class="cx">
</span><span class="cx"> 2016-08-19 Dean Jackson <dino@apple.com>
</span></span></pre></div>
<a id="branchessafari602branchSourceWebCorebindingsjsJSHTMLCanvasElementCustomcpp"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/Source/WebCore/bindings/js/JSHTMLCanvasElementCustom.cpp (209883 => 209884)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/Source/WebCore/bindings/js/JSHTMLCanvasElementCustom.cpp 2016-12-15 23:53:24 UTC (rev 209883)
+++ branches/safari-602-branch/Source/WebCore/bindings/js/JSHTMLCanvasElementCustom.cpp 2016-12-15 23:58:35 UTC (rev 209884)
</span><span class="lines">@@ -62,8 +62,7 @@
</span><span class="cx"> dictionary.tryGetProperty("antialias", graphicsAttrs.antialias);
</span><span class="cx"> dictionary.tryGetProperty("premultipliedAlpha", graphicsAttrs.premultipliedAlpha);
</span><span class="cx"> dictionary.tryGetProperty("preserveDrawingBuffer", graphicsAttrs.preserveDrawingBuffer);
</span><del>- dictionary.tryGetProperty("preferLowPowerToHighPerformance", graphicsAttrs.preferLowPowerToHighPerformance);
-
</del><ins>+
</ins><span class="cx"> attrs = WebGLContextAttributes::create(graphicsAttrs);
</span><span class="cx"> }
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="branchessafari602branchSourceWebCoreplatformgraphicsmacGraphicsContext3DMacmm"></a>
<div class="modfile"><h4>Modified: branches/safari-602-branch/Source/WebCore/platform/graphics/mac/GraphicsContext3DMac.mm (209883 => 209884)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-602-branch/Source/WebCore/platform/graphics/mac/GraphicsContext3DMac.mm 2016-12-15 23:53:24 UTC (rev 209883)
+++ branches/safari-602-branch/Source/WebCore/platform/graphics/mac/GraphicsContext3DMac.mm 2016-12-15 23:58:35 UTC (rev 209884)
</span><span class="lines">@@ -84,7 +84,7 @@
</span><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> #if !PLATFORM(IOS)
</span><del>-static void setPixelFormat(Vector<CGLPixelFormatAttribute>& attribs, int colorBits, int depthBits, bool accelerated, bool supersample, bool closest, bool antialias, bool allowOffline)
</del><ins>+static void setPixelFormat(Vector<CGLPixelFormatAttribute>& attribs, int colorBits, int depthBits, bool accelerated, bool supersample, bool closest, bool antialias)
</ins><span class="cx"> {
</span><span class="cx"> attribs.clear();
</span><span class="cx">
</span><span class="lines">@@ -92,14 +92,7 @@
</span><span class="cx"> attribs.append(static_cast<CGLPixelFormatAttribute>(colorBits));
</span><span class="cx"> attribs.append(kCGLPFADepthSize);
</span><span class="cx"> attribs.append(static_cast<CGLPixelFormatAttribute>(depthBits));
</span><del>-
- // This attribute, while mentioning offline renderers, is actually
- // allowing us to request the integrated graphics on a dual GPU
- // system, and not force the discrete GPU.
- // See https://developer.apple.com/library/mac/technotes/tn2229/_index.html
- if (allowOffline)
- attribs.append(kCGLPFAAllowOfflineRenderers);
-
</del><ins>+
</ins><span class="cx"> if (accelerated)
</span><span class="cx"> attribs.append(kCGLPFAAccelerated);
</span><span class="cx"> else {
</span><span class="lines">@@ -198,22 +191,22 @@
</span><span class="cx"> // If none of that works, we simply fail and set m_contextObj to 0.
</span><span class="cx">
</span><span class="cx"> bool useMultisampling = m_attrs.antialias;
</span><del>-
- setPixelFormat(attribs, 32, 32, !attrs.forceSoftwareRenderer, true, false, useMultisampling, attrs.preferLowPowerToHighPerformance);
</del><ins>+
+ setPixelFormat(attribs, 32, 32, !attrs.forceSoftwareRenderer, true, false, useMultisampling);
</ins><span class="cx"> CGLChoosePixelFormat(attribs.data(), &pixelFormatObj, &numPixelFormats);
</span><span class="cx">
</span><del>- if (!numPixelFormats) {
- setPixelFormat(attribs, 32, 32, !attrs.forceSoftwareRenderer, false, false, useMultisampling, attrs.preferLowPowerToHighPerformance);
</del><ins>+ if (numPixelFormats == 0) {
+ setPixelFormat(attribs, 32, 32, !attrs.forceSoftwareRenderer, false, false, useMultisampling);
</ins><span class="cx"> CGLChoosePixelFormat(attribs.data(), &pixelFormatObj, &numPixelFormats);
</span><span class="cx">
</span><del>- if (!numPixelFormats) {
- setPixelFormat(attribs, 32, 16, !attrs.forceSoftwareRenderer, false, false, useMultisampling, attrs.preferLowPowerToHighPerformance);
</del><ins>+ if (numPixelFormats == 0) {
+ setPixelFormat(attribs, 32, 16, !attrs.forceSoftwareRenderer, false, false, useMultisampling);
</ins><span class="cx"> CGLChoosePixelFormat(attribs.data(), &pixelFormatObj, &numPixelFormats);
</span><span class="cx">
</span><del>- if (!attrs.forceSoftwareRenderer && !numPixelFormats) {
- setPixelFormat(attribs, 32, 16, false, false, true, false, false);
- CGLChoosePixelFormat(attribs.data(), &pixelFormatObj, &numPixelFormats);
- useMultisampling = false;
</del><ins>+ if (!attrs.forceSoftwareRenderer && numPixelFormats == 0) {
+ setPixelFormat(attribs, 32, 16, false, false, true, false);
+ CGLChoosePixelFormat(attribs.data(), &pixelFormatObj, &numPixelFormats);
+ useMultisampling = false;
</ins><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx"> }
</span></span></pre>
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