Moved the majority of WebGL functionality into WebGLRenderingContextBase

Source/bindings/v8/custom/V8WebGLRenderingContextBaseCustom.cpp

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 11 matching lines @@
  * OWNER 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"
-#include "V8WebGLRenderingContext.h"
+#include "V8WebGLRenderingContextBase.h"
 
 #include "V8ANGLEInstancedArrays.h"
 #include "V8EXTFragDepth.h"
 #include "V8EXTTextureFilterAnisotropic.h"
 #include "V8HTMLCanvasElement.h"
 #include "V8HTMLImageElement.h"
 #include "V8HTMLVideoElement.h"
 #include "V8ImageData.h"
 #include "V8OESElementIndexUint.h"
 #include "V8OESStandardDerivatives.h"
@@ skipping 22 matching lines @@
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/custom/V8ArrayBufferViewCustom.h"
 #include "bindings/v8/custom/V8Float32ArrayCustom.h"
 #include "bindings/v8/custom/V8Int16ArrayCustom.h"
 #include "bindings/v8/custom/V8Int32ArrayCustom.h"
 #include "bindings/v8/custom/V8Int8ArrayCustom.h"
 #include "bindings/v8/custom/V8Uint16ArrayCustom.h"
 #include "bindings/v8/custom/V8Uint32ArrayCustom.h"
 #include "bindings/v8/custom/V8Uint8ArrayCustom.h"
 #include "core/dom/ExceptionCode.h"
-#include "core/html/canvas/WebGLRenderingContext.h"
+#include "core/html/canvas/WebGLRenderingContextBase.h"
 #include "platform/NotImplemented.h"
 #include "wtf/FastMalloc.h"
 #include <limits>
 
 namespace WebCore {
 
 // Allocates new storage via fastMalloc.
-// Returns NULL if array failed to convert for any reason.
+// Returns 0 if array failed to convert for any reason.
 static float* jsArrayToFloatArray(v8::Handle<v8::Array> array, uint32_t len, ExceptionState& exceptionState)
 {
     // Convert the data element-by-element.
     if (len > std::numeric_limits<uint32_t>::max() / sizeof(float)) {
         exceptionState.throwTypeError("Array length exceeds supported limit.");
         return 0;
     }
     float* data = static_cast<float*>(fastMalloc(len * sizeof(float)));
 
     for (uint32_t i = 0; i < len; i++) {
         v8::Local<v8::Value> val = array->Get(i);
         float value = toFloat(val, exceptionState);
         if (exceptionState.hadException()) {
             fastFree(data);
             return 0;
         }
         data[i] = value;
     }
     return data;
 }
 
 // Allocates new storage via fastMalloc.
-// Returns NULL if array failed to convert for any reason.
+// Returns 0 if array failed to convert for any reason.
 static int* jsArrayToIntArray(v8::Handle<v8::Array> array, uint32_t len, ExceptionState& exceptionState)
 {
     // Convert the data element-by-element.
     if (len > std::numeric_limits<uint32_t>::max() / sizeof(int)) {
         exceptionState.throwTypeError("Array length exceeds supported limit.");
         return 0;
     }
     int* data = static_cast<int*>(fastMalloc(len * sizeof(int)));
 
     for (uint32_t i = 0; i < len; i++) {
@@ skipping 58 matching lines @@
     }
 }
 
 static v8::Handle<v8::Value> toV8Object(WebGLExtension* extension, v8::Handle<v8::Object> contextObject, v8::Isolate* isolate)
 {
     if (!extension)
         return v8::Null(isolate);
     v8::Handle<v8::Value> extensionObject;
     const char* referenceName = 0;
     switch (extension->name()) {
-    case WebGLExtension::ANGLEInstancedArraysName:
+    case ANGLEInstancedArraysName:
         extensionObject = toV8(static_cast<ANGLEInstancedArrays*>(extension), contextObject, isolate);
         referenceName = "angleInstancedArraysName";
         break;
-    case WebGLExtension::EXTFragDepthName:
+    case EXTFragDepthName:
         extensionObject = toV8(static_cast<EXTFragDepth*>(extension), contextObject, isolate);
         referenceName = "extFragDepthName";
         break;
-    case WebGLExtension::EXTTextureFilterAnisotropicName:
+    case EXTTextureFilterAnisotropicName:
         extensionObject = toV8(static_cast<EXTTextureFilterAnisotropic*>(extension), contextObject, isolate);
         referenceName = "extTextureFilterAnisotropicName";
         break;
-    case WebGLExtension::OESElementIndexUintName:
+    case OESElementIndexUintName:
         extensionObject = toV8(static_cast<OESElementIndexUint*>(extension), contextObject, isolate);
         referenceName = "oesElementIndexUintName";
         break;
-    case WebGLExtension::OESStandardDerivativesName:
+    case OESStandardDerivativesName:
         extensionObject = toV8(static_cast<OESStandardDerivatives*>(extension), contextObject, isolate);
         referenceName = "oesStandardDerivativesName";
         break;
-    case WebGLExtension::OESTextureFloatName:
+    case OESTextureFloatName:
         extensionObject = toV8(static_cast<OESTextureFloat*>(extension), contextObject, isolate);
         referenceName = "oesTextureFloatName";
         break;
-    case WebGLExtension::OESTextureFloatLinearName:
+    case OESTextureFloatLinearName:
         extensionObject = toV8(static_cast<OESTextureFloatLinear*>(extension), contextObject, isolate);
         referenceName = "oesTextureFloatLinearName";
         break;
-    case WebGLExtension::OESTextureHalfFloatName:
+    case OESTextureHalfFloatName:
         extensionObject = toV8(static_cast<OESTextureHalfFloat*>(extension), contextObject, isolate);
         referenceName = "oesTextureHalfFloatName";
         break;
-    case WebGLExtension::OESTextureHalfFloatLinearName:
+    case OESTextureHalfFloatLinearName:
         extensionObject = toV8(static_cast<OESTextureHalfFloatLinear*>(extension), contextObject, isolate);
         referenceName = "oesTextureHalfFloatLinearName";
         break;
-    case WebGLExtension::OESVertexArrayObjectName:
+    case OESVertexArrayObjectName:
         extensionObject = toV8(static_cast<OESVertexArrayObject*>(extension), contextObject, isolate);
         referenceName = "oesVertexArrayObjectName";
         break;
-    case WebGLExtension::WebGLCompressedTextureATCName:
+    case WebGLCompressedTextureATCName:
         extensionObject = toV8(static_cast<WebGLCompressedTextureATC*>(extension), contextObject, isolate);
         referenceName = "webGLCompressedTextureATCName";
         break;
-    case WebGLExtension::WebGLCompressedTexturePVRTCName:
+    case WebGLCompressedTexturePVRTCName:
         extensionObject = toV8(static_cast<WebGLCompressedTexturePVRTC*>(extension), contextObject, isolate);
         referenceName = "webGLCompressedTexturePVRTCName";
         break;
-    case WebGLExtension::WebGLCompressedTextureS3TCName:
+    case WebGLCompressedTextureS3TCName:
         extensionObject = toV8(static_cast<WebGLCompressedTextureS3TC*>(extension), contextObject, isolate);
         referenceName = "webGLCompressedTextureS3TCName";
         break;
-    case WebGLExtension::WebGLDebugRendererInfoName:
+    case WebGLDebugRendererInfoName:
         extensionObject = toV8(static_cast<WebGLDebugRendererInfo*>(extension), contextObject, isolate);
         referenceName = "webGLDebugRendererInfoName";
         break;
-    case WebGLExtension::WebGLDebugShadersName:
+    case WebGLDebugShadersName:
         extensionObject = toV8(static_cast<WebGLDebugShaders*>(extension), contextObject, isolate);
         referenceName = "webGLDebugShadersName";
         break;
-    case WebGLExtension::WebGLDepthTextureName:
+    case WebGLDepthTextureName:
         extensionObject = toV8(static_cast<WebGLDepthTexture*>(extension), contextObject, isolate);
         referenceName = "webGLDepthTextureName";
         break;
-    case WebGLExtension::WebGLDrawBuffersName:
+    case WebGLDrawBuffersName:
         extensionObject = toV8(static_cast<WebGLDrawBuffers*>(extension), contextObject, isolate);
         referenceName = "webGLDrawBuffersName";
         break;
-    case WebGLExtension::WebGLLoseContextName:
+    case WebGLLoseContextName:
         extensionObject = toV8(static_cast<WebGLLoseContext*>(extension), contextObject, isolate);
         referenceName = "webGLLoseContextName";
         break;
+    case WebGLExtensionNameCount:
+        notImplemented();
+        return v8::Undefined(isolate);
     }
     ASSERT(!extensionObject.IsEmpty());
     setHiddenValue(isolate, contextObject, referenceName, extensionObject);
     return extensionObject;
 }
 
 enum ObjectType {
     kBuffer, kRenderbuffer, kTexture, kVertexAttrib
 };
 
 static void getObjectParameter(const v8::FunctionCallbackInfo<v8::Value>& info, ObjectType objectType, ExceptionState& exceptionState)
 {
     if (info.Length() != 2) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
 
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* context = V8WebGLRenderingContextBase::toNative(info.Holder());
     unsigned target = toInt32(info[0], exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     unsigned pname = toInt32(info[1], exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     WebGLGetInfo args;
     switch (objectType) {
     case kBuffer:
         args = context->getBufferParameter(target, pname);
@@ skipping 19 matching lines @@
 {
     if (!V8WebGLUniformLocation::hasInstance(value, isolate))
         return 0;
     return V8WebGLUniformLocation::toNative(value->ToObject());
 }
 
 enum WhichProgramCall {
     kProgramParameter, kUniform
 };
 
-void V8WebGLRenderingContext::getAttachedShadersMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getAttachedShadersMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getAttachedShaders", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getAttachedShaders", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     if (info.Length() < 1) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
 
     const int programArgumentIndex = 0;
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* context = V8WebGLRenderingContextBase::toNative(info.Holder());
     if (info.Length() > 0 && !isUndefinedOrNull(info[programArgumentIndex]) && !V8WebGLProgram::hasInstance(info[programArgumentIndex], info.GetIsolate())) {
         exceptionState.throwTypeError(ExceptionMessages::incorrectArgumentType(programArgumentIndex + 1, "is not a WebGLProgram object."));
         exceptionState.throwIfNeeded();
         return;
     }
     WebGLProgram* program = V8WebGLProgram::hasInstance(info[0], info.GetIsolate()) ? V8WebGLProgram::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0;
     Vector<RefPtr<WebGLShader> > shaders;
     bool succeed = context->getAttachedShaders(program, shaders);
     if (!succeed) {
         v8SetReturnValueNull(info);
         return;
     }
     v8::Local<v8::Array> array = v8::Array::New(info.GetIsolate(), shaders.size());
     for (size_t ii = 0; ii < shaders.size(); ++ii)
         array->Set(v8::Integer::New(info.GetIsolate(), ii), toV8(shaders[ii].get(), info.Holder(), info.GetIsolate()));
     v8SetReturnValue(info, array);
 }
 
-void V8WebGLRenderingContext::getBufferParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getBufferParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getBufferParameter", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getBufferParameter", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     getObjectParameter(info, kBuffer, exceptionState);
 }
 
-void V8WebGLRenderingContext::getExtensionMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getExtensionMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getExtension", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
-    WebGLRenderingContext* imp = V8WebGLRenderingContext::toNative(info.Holder());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getExtension", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
+    WebGLRenderingContextBase* imp = V8WebGLRenderingContextBase::toNative(info.Holder());
     if (info.Length() < 1) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, name, info[0]);
     RefPtr<WebGLExtension> extension(imp->getExtension(name));
     v8SetReturnValue(info, toV8Object(extension.get(), info.Holder(), info.GetIsolate()));
 }
 
-void V8WebGLRenderingContext::getFramebufferAttachmentParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getFramebufferAttachmentParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getFramebufferAttachmentParameter", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getFramebufferAttachmentParameter", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     if (info.Length() != 3) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(3, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
 
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* context = V8WebGLRenderingContextBase::toNative(info.Holder());
     unsigned target = toInt32(info[0]);
     unsigned attachment = toInt32(info[1], exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     unsigned pname = toInt32(info[2], exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     WebGLGetInfo args = context->getFramebufferAttachmentParameter(target, attachment, pname);
     v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate()));
 }
 
-void V8WebGLRenderingContext::getParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getParameter", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getParameter", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     if (info.Length() != 1) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
 
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* context = V8WebGLRenderingContextBase::toNative(info.Holder());
     unsigned pname = toInt32(info[0], exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     WebGLGetInfo args = context->getParameter(pname);
     v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate()));
 }
 
-void V8WebGLRenderingContext::getProgramParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getProgramParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getProgramParameter", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getProgramParameter", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     if (info.Length() != 2) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
 
     const int programArgumentIndex = 0;
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* context = V8WebGLRenderingContextBase::toNative(info.Holder());
     if (info.Length() > 0 && !isUndefinedOrNull(info[programArgumentIndex]) && !V8WebGLProgram::hasInstance(info[programArgumentIndex], info.GetIsolate())) {
         exceptionState.throwTypeError(ExceptionMessages::incorrectArgumentType(programArgumentIndex + 1, "is not a WebGLProgram object."));
         exceptionState.throwIfNeeded();
         return;
     }
     WebGLProgram* program = V8WebGLProgram::hasInstance(info[0], info.GetIsolate()) ? V8WebGLProgram::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0;
     unsigned pname = toInt32(info[1], exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     WebGLGetInfo args = context->getProgramParameter(program, pname);
     v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate()));
 }
 
-void V8WebGLRenderingContext::getRenderbufferParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getRenderbufferParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getRenderbufferParameter", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getRenderbufferParameter", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     getObjectParameter(info, kRenderbuffer, exceptionState);
 }
 
-void V8WebGLRenderingContext::getShaderParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getShaderParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getShaderParameter", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getShaderParameter", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     if (info.Length() != 2) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
 
     const int shaderArgumentIndex = 0;
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* context = V8WebGLRenderingContextBase::toNative(info.Holder());
     if (info.Length() > 0 && !isUndefinedOrNull(info[shaderArgumentIndex]) && !V8WebGLShader::hasInstance(info[shaderArgumentIndex], info.GetIsolate())) {
         exceptionState.throwTypeError(ExceptionMessages::incorrectArgumentType(shaderArgumentIndex + 1, "is not a WebGLShader object."));
         exceptionState.throwIfNeeded();
         return;
     }
     WebGLShader* shader = V8WebGLShader::hasInstance(info[shaderArgumentIndex], info.GetIsolate()) ? V8WebGLShader::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0;
     unsigned pname = toInt32(info[1], exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     WebGLGetInfo args = context->getShaderParameter(shader, pname);
     v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate()));
 }
 
-void V8WebGLRenderingContext::getSupportedExtensionsMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getSupportedExtensionsMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    WebGLRenderingContext* imp = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* imp = V8WebGLRenderingContextBase::toNative(info.Holder());
     if (imp->isContextLost()) {
         v8SetReturnValueNull(info);
         return;
     }
 
     Vector<String> value = imp->getSupportedExtensions();
     v8::Local<v8::Array> array = v8::Array::New(info.GetIsolate(), value.size());
     for (size_t ii = 0; ii < value.size(); ++ii)
         array->Set(v8::Integer::New(info.GetIsolate(), ii), v8String(info.GetIsolate(), value[ii]));
     v8SetReturnValue(info, array);
 }
 
-void V8WebGLRenderingContext::getTexParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getTexParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getTexParameter", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getTexParameter", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     getObjectParameter(info, kTexture, exceptionState);
 }
 
-void V8WebGLRenderingContext::getUniformMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getUniformMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getUniform", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getUniform", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     if (info.Length() != 2) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
 
     const int programArgumentIndex = 0;
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* context = V8WebGLRenderingContextBase::toNative(info.Holder());
     if (info.Length() > 0 && !isUndefinedOrNull(info[programArgumentIndex]) && !V8WebGLProgram::hasInstance(info[programArgumentIndex], info.GetIsolate())) {
         exceptionState.throwTypeError(ExceptionMessages::incorrectArgumentType(programArgumentIndex + 1, "is not a WebGLProgram object."));
         exceptionState.throwIfNeeded();
         return;
     }
     WebGLProgram* program = V8WebGLProgram::hasInstance(info[programArgumentIndex], info.GetIsolate()) ? V8WebGLProgram::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0;
 
     const int uniformArgumentIndex = 1;
     if (info.Length() > 1 && !isUndefinedOrNull(info[uniformArgumentIndex]) && !V8WebGLUniformLocation::hasInstance(info[uniformArgumentIndex], info.GetIsolate())) {
         exceptionState.throwTypeError(ExceptionMessages::incorrectArgumentType(uniformArgumentIndex + 1, "is not a WebGLUniformLocation object."));
         exceptionState.throwIfNeeded();
         return;
     }
     const int uniformLocationArgumentIndex = 1;
     WebGLUniformLocation* location = toWebGLUniformLocation(info[uniformLocationArgumentIndex], info.GetIsolate());
 
     WebGLGetInfo args = context->getUniform(program, location);
     v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate()));
 }
 
-void V8WebGLRenderingContext::getVertexAttribMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::getVertexAttribMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getVertexAttrib", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getVertexAttrib", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     getObjectParameter(info, kVertexAttrib, exceptionState);
 }
 
 enum FunctionToCall {
     kUniform1v, kUniform2v, kUniform3v, kUniform4v,
     kVertexAttrib1v, kVertexAttrib2v, kVertexAttrib3v, kVertexAttrib4v
 };
 
 bool isFunctionToCallForAttribute(FunctionToCall functionToCall)
 {
@@ skipping 45 matching lines @@
     } else {
         const int uniformLocationArgumentIndex = 0;
         if (info.Length() > 0 && !isUndefinedOrNull(info[uniformLocationArgumentIndex]) && !V8WebGLUniformLocation::hasInstance(info[uniformLocationArgumentIndex], info.GetIsolate())) {
             exceptionState.throwTypeError(ExceptionMessages::incorrectArgumentType(uniformLocationArgumentIndex + 1, "is not a WebGLUniformLocation object."));
             exceptionState.throwIfNeeded();
             return;
         }
         location = toWebGLUniformLocation(info[uniformLocationArgumentIndex], info.GetIsolate());
     }
 
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* context = V8WebGLRenderingContextBase::toNative(info.Holder());
 
     const int indexArrayArgument = 1;
     if (V8Float32Array::hasInstance(info[indexArrayArgument], info.GetIsolate())) {
         Float32Array* array = V8Float32Array::toNative(info[indexArrayArgument]->ToObject());
-        ASSERT(array != NULL);
+        ASSERT(array);
         switch (functionToCall) {
         case kUniform1v: context->uniform1fv(location, array); break;
         case kUniform2v: context->uniform2fv(location, array); break;
         case kUniform3v: context->uniform3fv(location, array); break;
         case kUniform4v: context->uniform4fv(location, array); break;
         case kVertexAttrib1v: context->vertexAttrib1fv(index, array); break;
         case kVertexAttrib2v: context->vertexAttrib2fv(index, array); break;
         case kVertexAttrib3v: context->vertexAttrib3fv(index, array); break;
         case kVertexAttrib4v: context->vertexAttrib4fv(index, array); break;
         default: ASSERT_NOT_REACHED(); break;
@@ skipping 43 matching lines @@
     // * glUniform4iv(GLUniformLocation location, Array data);
     // * glUniform4iv(GLUniformLocation location, Int32Array data);
 
     if (info.Length() != 2) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
 
     const int uniformLocationArgumentIndex = 0;
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* context = V8WebGLRenderingContextBase::toNative(info.Holder());
     if (info.Length() > 0 && !isUndefinedOrNull(info[uniformLocationArgumentIndex]) && !V8WebGLUniformLocation::hasInstance(info[uniformLocationArgumentIndex], info.GetIsolate())) {
         exceptionState.throwTypeError(ExceptionMessages::incorrectArgumentType(uniformLocationArgumentIndex + 1, "is not a WebGLUniformLocation object."));
         exceptionState.throwIfNeeded();
         return;
     }
     WebGLUniformLocation* location = toWebGLUniformLocation(info[uniformLocationArgumentIndex], info.GetIsolate());
 
     const int indexArrayArgumentIndex = 1;
     if (V8Int32Array::hasInstance(info[indexArrayArgumentIndex], info.GetIsolate())) {
         Int32Array* array = V8Int32Array::toNative(info[indexArrayArgumentIndex]->ToObject());
-        ASSERT(array != NULL);
+        ASSERT(array);
         switch (functionToCall) {
         case kUniform1v: context->uniform1iv(location, array); break;
         case kUniform2v: context->uniform2iv(location, array); break;
         case kUniform3v: context->uniform3iv(location, array); break;
         case kUniform4v: context->uniform4iv(location, array); break;
         default: ASSERT_NOT_REACHED(); break;
         }
         return;
     }
 
@@ skipping 16 matching lines @@
     switch (functionToCall) {
     case kUniform1v: context->uniform1iv(location, data, len); break;
     case kUniform2v: context->uniform2iv(location, data, len); break;
     case kUniform3v: context->uniform3iv(location, data, len); break;
     case kUniform4v: context->uniform4iv(location, data, len); break;
     default: ASSERT_NOT_REACHED(); break;
     }
     fastFree(data);
 }
 
-void V8WebGLRenderingContext::uniform1fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniform1fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform1fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform1fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     vertexAttribAndUniformHelperf(info, kUniform1v, exceptionState);
 }
 
-void V8WebGLRenderingContext::uniform1ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniform1ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform1iv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform1iv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     uniformHelperi(info, kUniform1v, exceptionState);
 }
 
-void V8WebGLRenderingContext::uniform2fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniform2fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform2fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform2fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     vertexAttribAndUniformHelperf(info, kUniform2v, exceptionState);
 }
 
-void V8WebGLRenderingContext::uniform2ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniform2ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform2iv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform2iv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     uniformHelperi(info, kUniform2v, exceptionState);
 }
 
-void V8WebGLRenderingContext::uniform3fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniform3fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform3fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform3fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     vertexAttribAndUniformHelperf(info, kUniform3v, exceptionState);
 }
 
-void V8WebGLRenderingContext::uniform3ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniform3ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform3iv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform3iv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     uniformHelperi(info, kUniform3v, exceptionState);
 }
 
-void V8WebGLRenderingContext::uniform4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniform4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform4fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform4fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     vertexAttribAndUniformHelperf(info, kUniform4v, exceptionState);
 }
 
-void V8WebGLRenderingContext::uniform4ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniform4ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform4iv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniform4iv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     uniformHelperi(info, kUniform4v, exceptionState);
 }
 
 static void uniformMatrixHelper(const v8::FunctionCallbackInfo<v8::Value>& info, int matrixSize, ExceptionState& exceptionState)
 {
     // Forms:
     // * glUniformMatrix2fv(GLint location, GLboolean transpose, Array data);
     // * glUniformMatrix2fv(GLint location, GLboolean transpose, Float32Array data);
     // * glUniformMatrix3fv(GLint location, GLboolean transpose, Array data);
     // * glUniformMatrix3fv(GLint location, GLboolean transpose, Float32Array data);
     // * glUniformMatrix4fv(GLint location, GLboolean transpose, Array data);
     // * glUniformMatrix4fv(GLint location, GLboolean transpose, Float32Array data);
     //
     // FIXME: need to change to accept Float32Array as well.
     if (info.Length() != 3) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(3, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
 
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
+    WebGLRenderingContextBase* context = V8WebGLRenderingContextBase::toNative(info.Holder());
 
     const int uniformLocationArgumentIndex = 0;
     if (info.Length() > 0 && !isUndefinedOrNull(info[uniformLocationArgumentIndex]) && !V8WebGLUniformLocation::hasInstance(info[uniformLocationArgumentIndex], info.GetIsolate())) {
         exceptionState.throwTypeError(ExceptionMessages::incorrectArgumentType(uniformLocationArgumentIndex + 1, "is not a WebGLUniformLocation object."));
         exceptionState.throwIfNeeded();
         return;
     }
     WebGLUniformLocation* location = toWebGLUniformLocation(info[uniformLocationArgumentIndex], info.GetIsolate());
 
     bool transpose = info[1]->BooleanValue();
     const int arrayArgumentIndex = 2;
     if (V8Float32Array::hasInstance(info[arrayArgumentIndex], info.GetIsolate())) {
         Float32Array* array = V8Float32Array::toNative(info[arrayArgumentIndex]->ToObject());
-        ASSERT(array != NULL);
+        ASSERT(array);
         switch (matrixSize) {
         case 2: context->uniformMatrix2fv(location, transpose, array); break;
         case 3: context->uniformMatrix3fv(location, transpose, array); break;
         case 4: context->uniformMatrix4fv(location, transpose, array); break;
         default: ASSERT_NOT_REACHED(); break;
         }
         return;
     }
 
     if (info[arrayArgumentIndex].IsEmpty() || !info[arrayArgumentIndex]->IsArray()) {
@@ skipping 14 matching lines @@
     }
     switch (matrixSize) {
     case 2: context->uniformMatrix2fv(location, transpose, data, len); break;
     case 3: context->uniformMatrix3fv(location, transpose, data, len); break;
     case 4: context->uniformMatrix4fv(location, transpose, data, len); break;
     default: ASSERT_NOT_REACHED(); break;
     }
     fastFree(data);
 }
 
-void V8WebGLRenderingContext::uniformMatrix2fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniformMatrix2fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniformMatrix2fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniformMatrix2fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     uniformMatrixHelper(info, 2, exceptionState);
 }
 
-void V8WebGLRenderingContext::uniformMatrix3fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniformMatrix3fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniformMatrix3fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniformMatrix3fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     uniformMatrixHelper(info, 3, exceptionState);
 }
 
-void V8WebGLRenderingContext::uniformMatrix4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::uniformMatrix4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniformMatrix4fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "uniformMatrix4fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     uniformMatrixHelper(info, 4, exceptionState);
 }
 
-void V8WebGLRenderingContext::vertexAttrib1fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::vertexAttrib1fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "vertexAttrib1fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "vertexAttrib1fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     vertexAttribAndUniformHelperf(info, kVertexAttrib1v, exceptionState);
 }
 
-void V8WebGLRenderingContext::vertexAttrib2fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::vertexAttrib2fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "vertexAttrib2fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "vertexAttrib2fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     vertexAttribAndUniformHelperf(info, kVertexAttrib2v, exceptionState);
 }
 
-void V8WebGLRenderingContext::vertexAttrib3fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::vertexAttrib3fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "vertexAttrib3fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "vertexAttrib3fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     vertexAttribAndUniformHelperf(info, kVertexAttrib3v, exceptionState);
 }
 
-void V8WebGLRenderingContext::vertexAttrib4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8WebGLRenderingContextBase::vertexAttrib4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "vertexAttrib4fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "vertexAttrib4fv", "WebGLRenderingContextBase", info.Holder(), info.GetIsolate());
     vertexAttribAndUniformHelperf(info, kVertexAttrib4v, exceptionState);
 }
 
 } // namespace WebCore