| /* |
| * 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 |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 THE COPYRIGHT |
| * 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 "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" |
| #include "V8OESTextureFloat.h" |
| #include "V8OESTextureFloatLinear.h" |
| #include "V8OESTextureHalfFloat.h" |
| #include "V8OESTextureHalfFloatLinear.h" |
| #include "V8OESVertexArrayObject.h" |
| #include "V8WebGLBuffer.h" |
| #include "V8WebGLCompressedTextureATC.h" |
| #include "V8WebGLCompressedTexturePVRTC.h" |
| #include "V8WebGLCompressedTextureS3TC.h" |
| #include "V8WebGLDebugRendererInfo.h" |
| #include "V8WebGLDebugShaders.h" |
| #include "V8WebGLDepthTexture.h" |
| #include "V8WebGLDrawBuffers.h" |
| #include "V8WebGLFramebuffer.h" |
| #include "V8WebGLLoseContext.h" |
| #include "V8WebGLProgram.h" |
| #include "V8WebGLRenderbuffer.h" |
| #include "V8WebGLShader.h" |
| #include "V8WebGLTexture.h" |
| #include "V8WebGLUniformLocation.h" |
| #include "V8WebGLVertexArrayObjectOES.h" |
| #include "bindings/v8/ExceptionMessages.h" |
| #include "bindings/v8/V8Binding.h" |
| #include "bindings/v8/V8HiddenPropertyName.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 "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. |
| static float* jsArrayToFloatArray(v8::Handle<v8::Array> array, uint32_t len) |
| { |
| // Convert the data element-by-element. |
| if (len > std::numeric_limits<uint32_t>::max() / sizeof(float)) |
| 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); |
| if (!val->IsNumber()) { |
| fastFree(data); |
| return 0; |
| } |
| data[i] = toFloat(val); |
| } |
| return data; |
| } |
| |
| // Allocates new storage via fastMalloc. |
| // Returns NULL if array failed to convert for any reason. |
| static int* jsArrayToIntArray(v8::Handle<v8::Array> array, uint32_t len) |
| { |
| // Convert the data element-by-element. |
| if (len > std::numeric_limits<uint32_t>::max() / sizeof(int)) |
| return 0; |
| int* data = static_cast<int*>(fastMalloc(len * sizeof(int))); |
| |
| for (uint32_t i = 0; i < len; i++) { |
| v8::Local<v8::Value> val = array->Get(i); |
| bool ok; |
| int ival = toInt32(val, ok); |
| if (!ok) { |
| fastFree(data); |
| return 0; |
| } |
| data[i] = ival; |
| } |
| return data; |
| } |
| |
| static v8::Handle<v8::Value> toV8Object(const WebGLGetInfo& args, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate) |
| { |
| switch (args.getType()) { |
| case WebGLGetInfo::kTypeBool: |
| return v8::Boolean::New(args.getBool()); |
| case WebGLGetInfo::kTypeBoolArray: { |
| const Vector<bool>& value = args.getBoolArray(); |
| v8::Local<v8::Array> array = v8::Array::New(value.size()); |
| for (size_t ii = 0; ii < value.size(); ++ii) |
| array->Set(v8::Integer::New(ii, isolate), v8::Boolean::New(value[ii])); |
| return array; |
| } |
| case WebGLGetInfo::kTypeFloat: |
| return v8::Number::New(isolate, args.getFloat()); |
| case WebGLGetInfo::kTypeInt: |
| return v8::Integer::New(args.getInt(), isolate); |
| case WebGLGetInfo::kTypeNull: |
| return v8::Null(isolate); |
| case WebGLGetInfo::kTypeString: |
| return v8String(args.getString(), isolate); |
| case WebGLGetInfo::kTypeUnsignedInt: |
| return v8::Integer::NewFromUnsigned(args.getUnsignedInt(), isolate); |
| case WebGLGetInfo::kTypeWebGLBuffer: |
| return toV8(args.getWebGLBuffer(), creationContext, isolate); |
| case WebGLGetInfo::kTypeWebGLFloatArray: |
| return toV8(args.getWebGLFloatArray(), creationContext, isolate); |
| case WebGLGetInfo::kTypeWebGLFramebuffer: |
| return toV8(args.getWebGLFramebuffer(), creationContext, isolate); |
| case WebGLGetInfo::kTypeWebGLIntArray: |
| return toV8(args.getWebGLIntArray(), creationContext, isolate); |
| // FIXME: implement WebGLObjectArray |
| // case WebGLGetInfo::kTypeWebGLObjectArray: |
| case WebGLGetInfo::kTypeWebGLProgram: |
| return toV8(args.getWebGLProgram(), creationContext, isolate); |
| case WebGLGetInfo::kTypeWebGLRenderbuffer: |
| return toV8(args.getWebGLRenderbuffer(), creationContext, isolate); |
| case WebGLGetInfo::kTypeWebGLTexture: |
| return toV8(args.getWebGLTexture(), creationContext, isolate); |
| case WebGLGetInfo::kTypeWebGLUnsignedByteArray: |
| return toV8(args.getWebGLUnsignedByteArray(), creationContext, isolate); |
| case WebGLGetInfo::kTypeWebGLUnsignedIntArray: |
| return toV8(args.getWebGLUnsignedIntArray(), creationContext, isolate); |
| case WebGLGetInfo::kTypeWebGLVertexArrayObjectOES: |
| return toV8(args.getWebGLVertexArrayObjectOES(), creationContext, isolate); |
| default: |
| notImplemented(); |
| return v8::Undefined(isolate); |
| } |
| } |
| |
| 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: |
| extensionObject = toV8(static_cast<ANGLEInstancedArrays*>(extension), contextObject, isolate); |
| referenceName = "angleInstancedArraysName"; |
| break; |
| case WebGLExtension::EXTFragDepthName: |
| extensionObject = toV8(static_cast<EXTFragDepth*>(extension), contextObject, isolate); |
| referenceName = "extFragDepthName"; |
| break; |
| case WebGLExtension::EXTTextureFilterAnisotropicName: |
| extensionObject = toV8(static_cast<EXTTextureFilterAnisotropic*>(extension), contextObject, isolate); |
| referenceName = "extTextureFilterAnisotropicName"; |
| break; |
| case WebGLExtension::OESElementIndexUintName: |
| extensionObject = toV8(static_cast<OESElementIndexUint*>(extension), contextObject, isolate); |
| referenceName = "oesElementIndexUintName"; |
| break; |
| case WebGLExtension::OESStandardDerivativesName: |
| extensionObject = toV8(static_cast<OESStandardDerivatives*>(extension), contextObject, isolate); |
| referenceName = "oesStandardDerivativesName"; |
| break; |
| case WebGLExtension::OESTextureFloatName: |
| extensionObject = toV8(static_cast<OESTextureFloat*>(extension), contextObject, isolate); |
| referenceName = "oesTextureFloatName"; |
| break; |
| case WebGLExtension::OESTextureFloatLinearName: |
| extensionObject = toV8(static_cast<OESTextureFloatLinear*>(extension), contextObject, isolate); |
| referenceName = "oesTextureFloatLinearName"; |
| break; |
| case WebGLExtension::OESTextureHalfFloatName: |
| extensionObject = toV8(static_cast<OESTextureHalfFloat*>(extension), contextObject, isolate); |
| referenceName = "oesTextureHalfFloatName"; |
| break; |
| case WebGLExtension::OESTextureHalfFloatLinearName: |
| extensionObject = toV8(static_cast<OESTextureHalfFloatLinear*>(extension), contextObject, isolate); |
| referenceName = "oesTextureHalfFloatLinearName"; |
| break; |
| case WebGLExtension::OESVertexArrayObjectName: |
| extensionObject = toV8(static_cast<OESVertexArrayObject*>(extension), contextObject, isolate); |
| referenceName = "oesVertexArrayObjectName"; |
| break; |
| case WebGLExtension::WebGLCompressedTextureATCName: |
| extensionObject = toV8(static_cast<WebGLCompressedTextureATC*>(extension), contextObject, isolate); |
| referenceName = "webGLCompressedTextureATCName"; |
| case WebGLExtension::WebGLCompressedTexturePVRTCName: |
| extensionObject = toV8(static_cast<WebGLCompressedTexturePVRTC*>(extension), contextObject, isolate); |
| referenceName = "webGLCompressedTexturePVRTCName"; |
| break; |
| case WebGLExtension::WebGLCompressedTextureS3TCName: |
| extensionObject = toV8(static_cast<WebGLCompressedTextureS3TC*>(extension), contextObject, isolate); |
| referenceName = "webGLCompressedTextureS3TCName"; |
| break; |
| case WebGLExtension::WebGLDebugRendererInfoName: |
| extensionObject = toV8(static_cast<WebGLDebugRendererInfo*>(extension), contextObject, isolate); |
| referenceName = "webGLDebugRendererInfoName"; |
| break; |
| case WebGLExtension::WebGLDebugShadersName: |
| extensionObject = toV8(static_cast<WebGLDebugShaders*>(extension), contextObject, isolate); |
| referenceName = "webGLDebugShadersName"; |
| break; |
| case WebGLExtension::WebGLDepthTextureName: |
| extensionObject = toV8(static_cast<WebGLDepthTexture*>(extension), contextObject, isolate); |
| referenceName = "webGLDepthTextureName"; |
| break; |
| case WebGLExtension::WebGLDrawBuffersName: |
| extensionObject = toV8(static_cast<WebGLDrawBuffers*>(extension), contextObject, isolate); |
| referenceName = "webGLDrawBuffersName"; |
| break; |
| case WebGLExtension::WebGLLoseContextName: |
| extensionObject = toV8(static_cast<WebGLLoseContext*>(extension), contextObject, isolate); |
| referenceName = "webGLLoseContextName"; |
| break; |
| } |
| ASSERT(!extensionObject.IsEmpty()); |
| V8HiddenPropertyName::setNamedHiddenReference(contextObject, referenceName, extensionObject); |
| return extensionObject; |
| } |
| |
| enum ObjectType { |
| kBuffer, kRenderbuffer, kTexture, kVertexAttrib |
| }; |
| |
| static void getObjectParameter(const v8::FunctionCallbackInfo<v8::Value>& info, ObjectType objectType, const char* method) |
| { |
| if (info.Length() != 2) { |
| throwTypeError(ExceptionMessages::failedToExecute(method, "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate()); |
| return; |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder()); |
| unsigned target = toInt32(info[0]); |
| unsigned pname = toInt32(info[1]); |
| WebGLGetInfo args; |
| switch (objectType) { |
| case kBuffer: |
| args = context->getBufferParameter(target, pname); |
| break; |
| case kRenderbuffer: |
| args = context->getRenderbufferParameter(target, pname); |
| break; |
| case kTexture: |
| args = context->getTexParameter(target, pname); |
| break; |
| case kVertexAttrib: |
| // target => index |
| args = context->getVertexAttrib(target, pname); |
| break; |
| default: |
| notImplemented(); |
| break; |
| } |
| v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate())); |
| } |
| |
| static WebGLUniformLocation* toWebGLUniformLocation(v8::Handle<v8::Value> value, bool& ok, v8::Isolate* isolate) |
| { |
| ok = false; |
| WebGLUniformLocation* location = 0; |
| if (V8WebGLUniformLocation::HasInstance(value, isolate, worldType(isolate))) { |
| location = V8WebGLUniformLocation::toNative(value->ToObject()); |
| ok = true; |
| } |
| return location; |
| } |
| |
| enum WhichProgramCall { |
| kProgramParameter, kUniform |
| }; |
| |
| void V8WebGLRenderingContext::getAttachedShadersMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| if (info.Length() < 1) { |
| throwTypeError(ExceptionMessages::failedToExecute("getAttachedShaders", "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate()); |
| return; |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder()); |
| if (info.Length() > 0 && !isUndefinedOrNull(info[0]) && !V8WebGLProgram::HasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| WebGLProgram* program = V8WebGLProgram::HasInstance(info[0], info.GetIsolate(), worldType(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(shaders.size()); |
| for (size_t ii = 0; ii < shaders.size(); ++ii) |
| array->Set(v8::Integer::New(ii, info.GetIsolate()), toV8(shaders[ii].get(), info.Holder(), info.GetIsolate())); |
| v8SetReturnValue(info, array); |
| } |
| |
| void V8WebGLRenderingContext::getBufferParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| getObjectParameter(info, kBuffer, "getBufferParameter"); |
| } |
| |
| void V8WebGLRenderingContext::getExtensionMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| WebGLRenderingContext* imp = V8WebGLRenderingContext::toNative(info.Holder()); |
| if (info.Length() < 1) { |
| throwTypeError(ExceptionMessages::failedToExecute("getExtension", "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate()); |
| 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) |
| { |
| if (info.Length() != 3) { |
| throwTypeError(ExceptionMessages::failedToExecute("getFramebufferAttachmentParameter", "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(3, info.Length())), info.GetIsolate()); |
| return; |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder()); |
| unsigned target = toInt32(info[0]); |
| unsigned attachment = toInt32(info[1]); |
| unsigned pname = toInt32(info[2]); |
| WebGLGetInfo args = context->getFramebufferAttachmentParameter(target, attachment, pname); |
| v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate())); |
| } |
| |
| void V8WebGLRenderingContext::getParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| if (info.Length() != 1) { |
| throwTypeError(ExceptionMessages::failedToExecute("getParameter", "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate()); |
| return; |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder()); |
| unsigned pname = toInt32(info[0]); |
| WebGLGetInfo args = context->getParameter(pname); |
| v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate())); |
| } |
| |
| void V8WebGLRenderingContext::getProgramParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| if (info.Length() != 2) { |
| throwTypeError(ExceptionMessages::failedToExecute("getProgramParameter", "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate()); |
| return; |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder()); |
| if (info.Length() > 0 && !isUndefinedOrNull(info[0]) && !V8WebGLProgram::HasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| WebGLProgram* program = V8WebGLProgram::HasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate())) ? V8WebGLProgram::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0; |
| unsigned pname = toInt32(info[1]); |
| WebGLGetInfo args = context->getProgramParameter(program, pname); |
| v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate())); |
| } |
| |
| void V8WebGLRenderingContext::getRenderbufferParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| getObjectParameter(info, kRenderbuffer, "getRenderbufferParameter"); |
| } |
| |
| void V8WebGLRenderingContext::getShaderParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| if (info.Length() != 2) { |
| throwTypeError(ExceptionMessages::failedToExecute("getShaderParameter", "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate()); |
| return; |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder()); |
| if (info.Length() > 0 && !isUndefinedOrNull(info[0]) && !V8WebGLShader::HasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| WebGLShader* shader = V8WebGLShader::HasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate())) ? V8WebGLShader::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0; |
| unsigned pname = toInt32(info[1]); |
| WebGLGetInfo args = context->getShaderParameter(shader, pname); |
| v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate())); |
| } |
| |
| void V8WebGLRenderingContext::getSupportedExtensionsMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| WebGLRenderingContext* imp = V8WebGLRenderingContext::toNative(info.Holder()); |
| if (imp->isContextLost()) { |
| v8SetReturnValueNull(info); |
| return; |
| } |
| |
| Vector<String> value = imp->getSupportedExtensions(); |
| v8::Local<v8::Array> array = v8::Array::New(value.size()); |
| for (size_t ii = 0; ii < value.size(); ++ii) |
| array->Set(v8::Integer::New(ii, info.GetIsolate()), v8String(value[ii], info.GetIsolate())); |
| v8SetReturnValue(info, array); |
| } |
| |
| void V8WebGLRenderingContext::getTexParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| getObjectParameter(info, kTexture, "getTexParameter"); |
| } |
| |
| void V8WebGLRenderingContext::getUniformMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| if (info.Length() != 2) { |
| throwTypeError(ExceptionMessages::failedToExecute("getUniform", "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate()); |
| return; |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder()); |
| if (info.Length() > 0 && !isUndefinedOrNull(info[0]) && !V8WebGLProgram::HasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| WebGLProgram* program = V8WebGLProgram::HasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate())) ? V8WebGLProgram::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0; |
| |
| if (info.Length() > 1 && !isUndefinedOrNull(info[1]) && !V8WebGLUniformLocation::HasInstance(info[1], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| bool ok = false; |
| WebGLUniformLocation* location = toWebGLUniformLocation(info[1], ok, 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) |
| { |
| getObjectParameter(info, kVertexAttrib, "getVertexAttrib"); |
| } |
| |
| enum FunctionToCall { |
| kUniform1v, kUniform2v, kUniform3v, kUniform4v, |
| kVertexAttrib1v, kVertexAttrib2v, kVertexAttrib3v, kVertexAttrib4v |
| }; |
| |
| bool isFunctionToCallForAttribute(FunctionToCall functionToCall) |
| { |
| switch (functionToCall) { |
| case kVertexAttrib1v: |
| case kVertexAttrib2v: |
| case kVertexAttrib3v: |
| case kVertexAttrib4v: |
| return true; |
| default: |
| break; |
| } |
| return false; |
| } |
| |
| static void vertexAttribAndUniformHelperf(const v8::FunctionCallbackInfo<v8::Value>& info, FunctionToCall functionToCall, const char* method) |
| { |
| // Forms: |
| // * glUniform1fv(WebGLUniformLocation location, Array data); |
| // * glUniform1fv(WebGLUniformLocation location, Float32Array data); |
| // * glUniform2fv(WebGLUniformLocation location, Array data); |
| // * glUniform2fv(WebGLUniformLocation location, Float32Array data); |
| // * glUniform3fv(WebGLUniformLocation location, Array data); |
| // * glUniform3fv(WebGLUniformLocation location, Float32Array data); |
| // * glUniform4fv(WebGLUniformLocation location, Array data); |
| // * glUniform4fv(WebGLUniformLocation location, Float32Array data); |
| // * glVertexAttrib1fv(GLint index, Array data); |
| // * glVertexAttrib1fv(GLint index, Float32Array data); |
| // * glVertexAttrib2fv(GLint index, Array data); |
| // * glVertexAttrib2fv(GLint index, Float32Array data); |
| // * glVertexAttrib3fv(GLint index, Array data); |
| // * glVertexAttrib3fv(GLint index, Float32Array data); |
| // * glVertexAttrib4fv(GLint index, Array data); |
| // * glVertexAttrib4fv(GLint index, Float32Array data); |
| |
| if (info.Length() != 2) { |
| throwTypeError(ExceptionMessages::failedToExecute(method, "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate()); |
| return; |
| } |
| |
| bool ok = false; |
| int index = -1; |
| WebGLUniformLocation* location = 0; |
| |
| if (isFunctionToCallForAttribute(functionToCall)) |
| index = toInt32(info[0]); |
| else { |
| if (info.Length() > 0 && !isUndefinedOrNull(info[0]) && !V8WebGLUniformLocation::HasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| location = toWebGLUniformLocation(info[0], ok, info.GetIsolate()); |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder()); |
| |
| if (V8Float32Array::HasInstance(info[1], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| Float32Array* array = V8Float32Array::toNative(info[1]->ToObject()); |
| ASSERT(array != NULL); |
| 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; |
| } |
| return; |
| } |
| |
| if (info[1].IsEmpty() || !info[1]->IsArray()) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| v8::Handle<v8::Array> array = v8::Local<v8::Array>::Cast(info[1]); |
| uint32_t len = array->Length(); |
| float* data = jsArrayToFloatArray(array, len); |
| if (!data) { |
| // FIXME: consider different / better exception type. |
| setDOMException(SyntaxError, info.GetIsolate()); |
| return; |
| } |
| switch (functionToCall) { |
| case kUniform1v: context->uniform1fv(location, data, len); break; |
| case kUniform2v: context->uniform2fv(location, data, len); break; |
| case kUniform3v: context->uniform3fv(location, data, len); break; |
| case kUniform4v: context->uniform4fv(location, data, len); break; |
| case kVertexAttrib1v: context->vertexAttrib1fv(index, data, len); break; |
| case kVertexAttrib2v: context->vertexAttrib2fv(index, data, len); break; |
| case kVertexAttrib3v: context->vertexAttrib3fv(index, data, len); break; |
| case kVertexAttrib4v: context->vertexAttrib4fv(index, data, len); break; |
| default: ASSERT_NOT_REACHED(); break; |
| } |
| fastFree(data); |
| } |
| |
| static void uniformHelperi(const v8::FunctionCallbackInfo<v8::Value>& info, FunctionToCall functionToCall, const char* method) |
| { |
| // Forms: |
| // * glUniform1iv(GLUniformLocation location, Array data); |
| // * glUniform1iv(GLUniformLocation location, Int32Array data); |
| // * glUniform2iv(GLUniformLocation location, Array data); |
| // * glUniform2iv(GLUniformLocation location, Int32Array data); |
| // * glUniform3iv(GLUniformLocation location, Array data); |
| // * glUniform3iv(GLUniformLocation location, Int32Array data); |
| // * glUniform4iv(GLUniformLocation location, Array data); |
| // * glUniform4iv(GLUniformLocation location, Int32Array data); |
| |
| if (info.Length() != 2) { |
| throwTypeError(ExceptionMessages::failedToExecute(method, "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate()); |
| return; |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder()); |
| if (info.Length() > 0 && !isUndefinedOrNull(info[0]) && !V8WebGLUniformLocation::HasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| bool ok = false; |
| WebGLUniformLocation* location = toWebGLUniformLocation(info[0], ok, info.GetIsolate()); |
| |
| if (V8Int32Array::HasInstance(info[1], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| Int32Array* array = V8Int32Array::toNative(info[1]->ToObject()); |
| ASSERT(array != NULL); |
| 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; |
| } |
| |
| if (info[1].IsEmpty() || !info[1]->IsArray()) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| v8::Handle<v8::Array> array = v8::Local<v8::Array>::Cast(info[1]); |
| uint32_t len = array->Length(); |
| int* data = jsArrayToIntArray(array, len); |
| if (!data) { |
| // FIXME: consider different / better exception type. |
| setDOMException(SyntaxError, info.GetIsolate()); |
| return; |
| } |
| 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) |
| { |
| vertexAttribAndUniformHelperf(info, kUniform1v, "uniform1fv"); |
| } |
| |
| void V8WebGLRenderingContext::uniform1ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| uniformHelperi(info, kUniform1v, "uniform1iv"); |
| } |
| |
| void V8WebGLRenderingContext::uniform2fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| vertexAttribAndUniformHelperf(info, kUniform2v, "uniform2fv"); |
| } |
| |
| void V8WebGLRenderingContext::uniform2ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| uniformHelperi(info, kUniform2v, "uniform2iv"); |
| } |
| |
| void V8WebGLRenderingContext::uniform3fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| vertexAttribAndUniformHelperf(info, kUniform3v, "uniform3fv"); |
| } |
| |
| void V8WebGLRenderingContext::uniform3ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| uniformHelperi(info, kUniform3v, "uniform3iv"); |
| } |
| |
| void V8WebGLRenderingContext::uniform4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| vertexAttribAndUniformHelperf(info, kUniform4v, "uniform4fv"); |
| } |
| |
| void V8WebGLRenderingContext::uniform4ivMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| uniformHelperi(info, kUniform4v, "uniform4iv"); |
| } |
| |
| static void uniformMatrixHelper(const v8::FunctionCallbackInfo<v8::Value>& info, int matrixSize, const char* method) |
| { |
| // 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) { |
| throwTypeError(ExceptionMessages::failedToExecute(method, "WebGLRenderingContext", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate()); |
| return; |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder()); |
| |
| if (info.Length() > 0 && !isUndefinedOrNull(info[0]) && !V8WebGLUniformLocation::HasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| bool ok = false; |
| WebGLUniformLocation* location = toWebGLUniformLocation(info[0], ok, info.GetIsolate()); |
| |
| bool transpose = info[1]->BooleanValue(); |
| if (V8Float32Array::HasInstance(info[2], info.GetIsolate(), worldType(info.GetIsolate()))) { |
| Float32Array* array = V8Float32Array::toNative(info[2]->ToObject()); |
| ASSERT(array != NULL); |
| 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[2].IsEmpty() || !info[2]->IsArray()) { |
| throwUninformativeAndGenericTypeError(info.GetIsolate()); |
| return; |
| } |
| v8::Handle<v8::Array> array = v8::Local<v8::Array>::Cast(info[2]); |
| uint32_t len = array->Length(); |
| float* data = jsArrayToFloatArray(array, len); |
| if (!data) { |
| // FIXME: consider different / better exception type. |
| setDOMException(SyntaxError, info.GetIsolate()); |
| return; |
| } |
| 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) |
| { |
| uniformMatrixHelper(info, 2, "uniformMatrix2fv"); |
| } |
| |
| void V8WebGLRenderingContext::uniformMatrix3fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| uniformMatrixHelper(info, 3, "uniformMatrix3fv"); |
| } |
| |
| void V8WebGLRenderingContext::uniformMatrix4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| uniformMatrixHelper(info, 4, "uniformMatrix4fv"); |
| } |
| |
| void V8WebGLRenderingContext::vertexAttrib1fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| vertexAttribAndUniformHelperf(info, kVertexAttrib1v, "vertexAttrib1fv"); |
| } |
| |
| void V8WebGLRenderingContext::vertexAttrib2fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| vertexAttribAndUniformHelperf(info, kVertexAttrib2v, "vertexAttrib2fv"); |
| } |
| |
| void V8WebGLRenderingContext::vertexAttrib3fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| vertexAttribAndUniformHelperf(info, kVertexAttrib3v, "vertexAttrib3fv"); |
| } |
| |
| void V8WebGLRenderingContext::vertexAttrib4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| vertexAttribAndUniformHelperf(info, kVertexAttrib4v, "vertexAttrib4fv"); |
| } |
| |
| } // namespace WebCore |
