1 files changed, 206 insertions, 0 deletions
diff --git a/Source/WebCore/bindings/js/JSWebGLRenderingContextBaseCustom.cpp b/Source/WebCore/bindings/js/JSWebGLRenderingContextBaseCustom.cpp
new file mode 100644
index 000000000..66d7ebd04
--- /dev/null
+++ b/Source/WebCore/bindings/js/JSWebGLRenderingContextBaseCustom.cpp
@@ -0,0 +1,206 @@
+/*
+ * Copyright (C) 2015-2017 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+
+#if ENABLE(WEBGL)
+
+#include "EXTBlendMinMax.h"
+#include "EXTFragDepth.h"
+#include "EXTShaderTextureLOD.h"
+#include "EXTTextureFilterAnisotropic.h"
+#include "EXTsRGB.h"
+#include "ExceptionCode.h"
+#include "JSANGLEInstancedArrays.h"
+#include "JSEXTBlendMinMax.h"
+#include "JSEXTFragDepth.h"
+#include "JSEXTShaderTextureLOD.h"
+#include "JSEXTTextureFilterAnisotropic.h"
+#include "JSEXTsRGB.h"
+#include "JSHTMLCanvasElement.h"
+#include "JSHTMLImageElement.h"
+#include "JSImageData.h"
+#include "JSOESElementIndexUint.h"
+#include "JSOESStandardDerivatives.h"
+#include "JSOESTextureFloat.h"
+#include "JSOESTextureFloatLinear.h"
+#include "JSOESTextureHalfFloat.h"
+#include "JSOESTextureHalfFloatLinear.h"
+#include "JSOESVertexArrayObject.h"
+#include "JSWebGLBuffer.h"
+#include "JSWebGLCompressedTextureATC.h"
+#include "JSWebGLCompressedTexturePVRTC.h"
+#include "JSWebGLCompressedTextureS3TC.h"
+#include "JSWebGLDebugRendererInfo.h"
+#include "JSWebGLDebugShaders.h"
+#include "JSWebGLDepthTexture.h"
+#include "JSWebGLDrawBuffers.h"
+#include "JSWebGLFramebuffer.h"
+#include "JSWebGLLoseContext.h"
+#include "JSWebGLProgram.h"
+#include "JSWebGLRenderbuffer.h"
+#include "JSWebGLRenderingContext.h"
+#include "JSWebGLShader.h"
+#include "JSWebGLTexture.h"
+#include "JSWebGLUniformLocation.h"
+#include "JSWebGLVertexArrayObject.h"
+#include "JSWebGLVertexArrayObjectOES.h"
+#include "JSWebKitCSSMatrix.h"
+#include "OESElementIndexUint.h"
+#include "OESStandardDerivatives.h"
+#include "OESTextureFloat.h"
+#include "OESTextureFloatLinear.h"
+#include "OESTextureHalfFloat.h"
+#include "OESTextureHalfFloatLinear.h"
+#include "OESVertexArrayObject.h"
+#include "WebGLBuffer.h"
+#include "WebGLCompressedTextureATC.h"
+#include "WebGLCompressedTexturePVRTC.h"
+#include "WebGLCompressedTextureS3TC.h"
+#include "WebGLDebugRendererInfo.h"
+#include "WebGLDebugShaders.h"
+#include "WebGLDepthTexture.h"
+#include "WebGLDrawBuffers.h"
+#include "WebGLExtension.h"
+#include "WebGLFramebuffer.h"
+#include "WebGLLoseContext.h"
+#include "WebGLProgram.h"
+#include "WebGLRenderingContextBase.h"
+#include "WebGLVertexArrayObject.h"
+#include "WebGLVertexArrayObjectOES.h"
+#include <runtime/Error.h>
+#include <runtime/JSObjectInlines.h>
+#include <runtime/JSTypedArrays.h>
+#include <runtime/TypedArrayInlines.h>
+#include <runtime/TypedArrays.h>
+#include <wtf/FastMalloc.h>
+
+#if ENABLE(VIDEO)
+#include "JSHTMLVideoElement.h"
+#endif
+
+#if ENABLE(WEBGL2)
+#include "JSWebGL2RenderingContext.h"
+#endif
+
+using namespace JSC;
+
+namespace WebCore {
+
+JSValue toJSNewlyCreated(ExecState*, JSDOMGlobalObject* globalObject, Ref<WebGLRenderingContextBase>&& object)
+{
+#if ENABLE(WEBGL2)
+    if (is<WebGL2RenderingContext>(object))
+        return createWrapper<WebGL2RenderingContext>(globalObject, WTFMove(object));
+#endif
+    return createWrapper<WebGLRenderingContext>(globalObject, WTFMove(object));
+}
+
+JSValue toJS(ExecState* state, JSDOMGlobalObject* globalObject, WebGLRenderingContextBase& object)
+{
+    return wrap(state, globalObject, object);
+}
+    
+static JSValue toJS(ExecState& state, JSDOMGlobalObject& globalObject, WebGLExtension* extension)
+{
+    if (!extension)
+        return jsNull();
+    switch (extension->getName()) {
+    case WebGLExtension::WebGLLoseContextName:
+        return toJS(&state, &globalObject, static_cast<WebGLLoseContext*>(extension));
+    case WebGLExtension::EXTShaderTextureLODName:
+        return toJS(&state, &globalObject, static_cast<EXTShaderTextureLOD*>(extension));
+    case WebGLExtension::EXTTextureFilterAnisotropicName:
+        return toJS(&state, &globalObject, static_cast<EXTTextureFilterAnisotropic*>(extension));
+    case WebGLExtension::EXTsRGBName:
+        return toJS(&state, &globalObject, static_cast<EXTsRGB*>(extension));
+    case WebGLExtension::EXTFragDepthName:
+        return toJS(&state, &globalObject, static_cast<EXTFragDepth*>(extension));
+    case WebGLExtension::EXTBlendMinMaxName:
+        return toJS(&state, &globalObject, static_cast<EXTBlendMinMax*>(extension));
+    case WebGLExtension::OESStandardDerivativesName:
+        return toJS(&state, &globalObject, static_cast<OESStandardDerivatives*>(extension));
+    case WebGLExtension::OESTextureFloatName:
+        return toJS(&state, &globalObject, static_cast<OESTextureFloat*>(extension));
+    case WebGLExtension::OESTextureFloatLinearName:
+        return toJS(&state, &globalObject, static_cast<OESTextureFloatLinear*>(extension));
+    case WebGLExtension::OESTextureHalfFloatName:
+        return toJS(&state, &globalObject, static_cast<OESTextureHalfFloat*>(extension));
+    case WebGLExtension::OESTextureHalfFloatLinearName:
+        return toJS(&state, &globalObject, static_cast<OESTextureHalfFloatLinear*>(extension));
+    case WebGLExtension::OESVertexArrayObjectName:
+        return toJS(&state, &globalObject, static_cast<OESVertexArrayObject*>(extension));
+    case WebGLExtension::OESElementIndexUintName:
+        return toJS(&state, &globalObject, static_cast<OESElementIndexUint*>(extension));
+    case WebGLExtension::WebGLDebugRendererInfoName:
+        return toJS(&state, &globalObject, static_cast<WebGLDebugRendererInfo*>(extension));
+    case WebGLExtension::WebGLDebugShadersName:
+        return toJS(&state, &globalObject, static_cast<WebGLDebugShaders*>(extension));
+    case WebGLExtension::WebGLCompressedTextureATCName:
+        return toJS(&state, &globalObject, static_cast<WebGLCompressedTextureATC*>(extension));
+    case WebGLExtension::WebGLCompressedTexturePVRTCName:
+        return toJS(&state, &globalObject, static_cast<WebGLCompressedTexturePVRTC*>(extension));
+    case WebGLExtension::WebGLCompressedTextureS3TCName:
+        return toJS(&state, &globalObject, static_cast<WebGLCompressedTextureS3TC*>(extension));
+    case WebGLExtension::WebGLDepthTextureName:
+        return toJS(&state, &globalObject, static_cast<WebGLDepthTexture*>(extension));
+    case WebGLExtension::WebGLDrawBuffersName:
+        return toJS(&state, &globalObject, static_cast<WebGLDrawBuffers*>(extension));
+    case WebGLExtension::ANGLEInstancedArraysName:
+        return toJS(&state, &globalObject, static_cast<ANGLEInstancedArrays*>(extension));
+    }
+    ASSERT_NOT_REACHED();
+    return jsNull();
+}
+
+bool JSWebGLRenderingContextBaseOwner::isReachableFromOpaqueRoots(Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
+{
+    JSWebGLRenderingContextBase* jsWebGLRenderingContext = jsCast<JSWebGLRenderingContextBase*>(handle.slot()->asCell());
+    void* root = WebCore::root(jsWebGLRenderingContext->wrapped().canvas());
+    return visitor.containsOpaqueRoot(root);
+}
+
+void JSWebGLRenderingContextBase::visitAdditionalChildren(SlotVisitor& visitor)
+{
+    visitor.addOpaqueRoot(&wrapped());
+    visitor.addOpaqueRoot(root(wrapped().canvas()));
+}
+
+JSValue JSWebGLRenderingContextBase::getExtension(ExecState& state)
+{
+    VM& vm = state.vm();
+    auto scope = DECLARE_THROW_SCOPE(vm);
+
+    if (state.argumentCount() < 1)
+        return throwException(&state, scope, createNotEnoughArgumentsError(&state));
+    
+    auto name = state.uncheckedArgument(0).toWTFString(&state);
+    RETURN_IF_EXCEPTION(scope, { });
+    return toJS(state, *globalObject(), wrapped().getExtension(name));
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(WEBGL)