| /* |
| * 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" |
| |
| #if ENABLE(WEBGL) |
| |
| #include "V8WebGLRenderingContext.h" |
| |
| #include "ExceptionCode.h" |
| #include "NotImplemented.h" |
| #include "V8ArrayBufferView.h" |
| #include "V8Binding.h" |
| #include "V8BindingMacros.h" |
| #include "V8WebKitLoseContext.h" |
| #include "V8Float32Array.h" |
| #include "V8HTMLCanvasElement.h" |
| #include "V8HTMLImageElement.h" |
| #include "V8HTMLVideoElement.h" |
| #include "V8ImageData.h" |
| #include "V8Int16Array.h" |
| #include "V8Int32Array.h" |
| #include "V8Int8Array.h" |
| #include "V8OESStandardDerivatives.h" |
| #include "V8OESTextureFloat.h" |
| #include "V8OESVertexArrayObject.h" |
| #include "V8Proxy.h" |
| #include "V8Uint16Array.h" |
| #include "V8Uint32Array.h" |
| #include "V8Uint8Array.h" |
| #include "V8WebGLBuffer.h" |
| #include "V8WebGLFramebuffer.h" |
| #include "V8WebGLProgram.h" |
| #include "V8WebGLRenderbuffer.h" |
| #include "V8WebGLShader.h" |
| #include "V8WebGLTexture.h" |
| #include "V8WebGLUniformLocation.h" |
| #include "V8WebGLVertexArrayObjectOES.h" |
| #include "WebGLRenderingContext.h" |
| #include <wtf/FastMalloc.h> |
| |
| namespace WebCore { |
| |
| // Allocates new storage via tryFastMalloc. |
| // 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. |
| float* data; |
| if (!tryFastMalloc(len * sizeof(float)).getValue(data)) |
| return 0; |
| for (uint32_t i = 0; i < len; i++) { |
| v8::Local<v8::Value> val = array->Get(v8::Integer::New(i)); |
| if (!val->IsNumber()) { |
| fastFree(data); |
| return 0; |
| } |
| data[i] = toFloat(val); |
| } |
| return data; |
| } |
| |
| // Allocates new storage via tryFastMalloc. |
| // 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. |
| int* data; |
| if (!tryFastMalloc(len * sizeof(int)).getValue(data)) |
| return 0; |
| for (uint32_t i = 0; i < len; i++) { |
| v8::Local<v8::Value> val = array->Get(v8::Integer::New(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& info) |
| { |
| switch (info.getType()) { |
| case WebGLGetInfo::kTypeBool: |
| return v8::Boolean::New(info.getBool()); |
| case WebGLGetInfo::kTypeBoolArray: { |
| const Vector<bool>& value = info.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), v8::Boolean::New(value[ii])); |
| return array; |
| } |
| case WebGLGetInfo::kTypeFloat: |
| return v8::Number::New(info.getFloat()); |
| case WebGLGetInfo::kTypeInt: |
| return v8::Integer::New(info.getInt()); |
| case WebGLGetInfo::kTypeNull: |
| return v8::Null(); |
| case WebGLGetInfo::kTypeString: |
| return v8::String::New(fromWebCoreString(info.getString()), info.getString().length()); |
| case WebGLGetInfo::kTypeUnsignedInt: |
| return v8::Integer::NewFromUnsigned(info.getUnsignedInt()); |
| case WebGLGetInfo::kTypeWebGLBuffer: |
| return toV8(info.getWebGLBuffer()); |
| case WebGLGetInfo::kTypeWebGLFloatArray: |
| return toV8(info.getWebGLFloatArray()); |
| case WebGLGetInfo::kTypeWebGLFramebuffer: |
| return toV8(info.getWebGLFramebuffer()); |
| case WebGLGetInfo::kTypeWebGLIntArray: |
| return toV8(info.getWebGLIntArray()); |
| // FIXME: implement WebGLObjectArray |
| // case WebGLGetInfo::kTypeWebGLObjectArray: |
| case WebGLGetInfo::kTypeWebGLProgram: |
| return toV8(info.getWebGLProgram()); |
| case WebGLGetInfo::kTypeWebGLRenderbuffer: |
| return toV8(info.getWebGLRenderbuffer()); |
| case WebGLGetInfo::kTypeWebGLTexture: |
| return toV8(info.getWebGLTexture()); |
| case WebGLGetInfo::kTypeWebGLUnsignedByteArray: |
| return toV8(info.getWebGLUnsignedByteArray()); |
| case WebGLGetInfo::kTypeWebGLVertexArrayObjectOES: |
| return toV8(info.getWebGLVertexArrayObjectOES()); |
| default: |
| notImplemented(); |
| return v8::Undefined(); |
| } |
| } |
| |
| static v8::Handle<v8::Value> toV8Object(WebGLExtension* extension, v8::Handle<v8::Object> contextObject) |
| { |
| if (!extension) |
| return v8::Null(); |
| v8::Handle<v8::Value> extensionObject; |
| const char* referenceName; |
| switch (extension->getName()) { |
| case WebGLExtension::WebKitLoseContextName: |
| extensionObject = toV8(static_cast<WebKitLoseContext*>(extension)); |
| referenceName = "webKitLoseContextName"; |
| break; |
| case WebGLExtension::OESStandardDerivativesName: |
| extensionObject = toV8(static_cast<OESStandardDerivatives*>(extension)); |
| referenceName = "oesStandardDerivativesName"; |
| break; |
| case WebGLExtension::OESTextureFloatName: |
| extensionObject = toV8(static_cast<OESTextureFloat*>(extension)); |
| referenceName = "oesTextureFloatName"; |
| break; |
| case WebGLExtension::OESVertexArrayObjectName: |
| extensionObject = toV8(static_cast<OESVertexArrayObject*>(extension)); |
| referenceName = "oesVertexArrayObjectName"; |
| break; |
| } |
| ASSERT(!extensionObject.IsEmpty()); |
| V8DOMWrapper::setNamedHiddenReference(contextObject, referenceName, extensionObject); |
| return extensionObject; |
| } |
| |
| enum ObjectType { |
| kBuffer, kRenderbuffer, kTexture, kVertexAttrib |
| }; |
| |
| static v8::Handle<v8::Value> getObjectParameter(const v8::Arguments& args, ObjectType objectType) |
| { |
| if (args.Length() != 2) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| |
| ExceptionCode ec = 0; |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder()); |
| unsigned target = toInt32(args[0]); |
| unsigned pname = toInt32(args[1]); |
| WebGLGetInfo info; |
| switch (objectType) { |
| case kBuffer: |
| info = context->getBufferParameter(target, pname, ec); |
| break; |
| case kRenderbuffer: |
| info = context->getRenderbufferParameter(target, pname, ec); |
| break; |
| case kTexture: |
| info = context->getTexParameter(target, pname, ec); |
| break; |
| case kVertexAttrib: |
| // target => index |
| info = context->getVertexAttrib(target, pname, ec); |
| break; |
| default: |
| notImplemented(); |
| break; |
| } |
| if (ec) { |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| return toV8Object(info); |
| } |
| |
| static WebGLUniformLocation* toWebGLUniformLocation(v8::Handle<v8::Value> value, bool& ok) |
| { |
| ok = false; |
| WebGLUniformLocation* location = 0; |
| if (V8WebGLUniformLocation::HasInstance(value)) { |
| location = V8WebGLUniformLocation::toNative(value->ToObject()); |
| ok = true; |
| } |
| return location; |
| } |
| |
| enum WhichProgramCall { |
| kProgramParameter, kUniform |
| }; |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getAttachedShadersCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getAttachedShaders()"); |
| |
| if (args.Length() < 1) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| |
| ExceptionCode ec = 0; |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder()); |
| if (args.Length() > 0 && !isUndefinedOrNull(args[0]) && !V8WebGLProgram::HasInstance(args[0])) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| WebGLProgram* program = V8WebGLProgram::HasInstance(args[0]) ? V8WebGLProgram::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0; |
| Vector<WebGLShader*> shaders; |
| bool succeed = context->getAttachedShaders(program, shaders, ec); |
| if (ec) { |
| V8Proxy::setDOMException(ec); |
| return v8::Null(); |
| } |
| if (!succeed) |
| return v8::Null(); |
| 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), toV8(shaders[ii])); |
| return array; |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getBufferParameterCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getBufferParameter()"); |
| return getObjectParameter(args, kBuffer); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getExtensionCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getExtensionCallback()"); |
| WebGLRenderingContext* imp = V8WebGLRenderingContext::toNative(args.Holder()); |
| if (args.Length() < 1) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| STRING_TO_V8PARAMETER_EXCEPTION_BLOCK(V8Parameter<>, name, args[0]); |
| WebGLExtension* extension = imp->getExtension(name); |
| return toV8Object(extension, args.Holder()); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getFramebufferAttachmentParameterCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getFramebufferAttachmentParameter()"); |
| |
| if (args.Length() != 3) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| |
| ExceptionCode ec = 0; |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder()); |
| unsigned target = toInt32(args[0]); |
| unsigned attachment = toInt32(args[1]); |
| unsigned pname = toInt32(args[2]); |
| WebGLGetInfo info = context->getFramebufferAttachmentParameter(target, attachment, pname, ec); |
| if (ec) { |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| return toV8Object(info); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getParameterCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getParameter()"); |
| |
| if (args.Length() != 1) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| |
| ExceptionCode ec = 0; |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder()); |
| unsigned pname = toInt32(args[0]); |
| WebGLGetInfo info = context->getParameter(pname, ec); |
| if (ec) { |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| return toV8Object(info); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getProgramParameterCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getProgramParameter()"); |
| |
| if (args.Length() != 2) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| |
| ExceptionCode ec = 0; |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder()); |
| if (args.Length() > 0 && !isUndefinedOrNull(args[0]) && !V8WebGLProgram::HasInstance(args[0])) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| WebGLProgram* program = V8WebGLProgram::HasInstance(args[0]) ? V8WebGLProgram::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0; |
| unsigned pname = toInt32(args[1]); |
| WebGLGetInfo info = context->getProgramParameter(program, pname, ec); |
| if (ec) { |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| return toV8Object(info); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getRenderbufferParameterCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getRenderbufferParameter()"); |
| return getObjectParameter(args, kRenderbuffer); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getShaderParameterCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getShaderParameter()"); |
| |
| if (args.Length() != 2) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| |
| ExceptionCode ec = 0; |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder()); |
| if (args.Length() > 0 && !isUndefinedOrNull(args[0]) && !V8WebGLShader::HasInstance(args[0])) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| WebGLShader* shader = V8WebGLShader::HasInstance(args[0]) ? V8WebGLShader::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0; |
| unsigned pname = toInt32(args[1]); |
| WebGLGetInfo info = context->getShaderParameter(shader, pname, ec); |
| if (ec) { |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| return toV8Object(info); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getSupportedExtensionsCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getSupportedExtensionsCallback()"); |
| WebGLRenderingContext* imp = V8WebGLRenderingContext::toNative(args.Holder()); |
| if (imp->isContextLost()) |
| return v8::Null(); |
| |
| 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), v8::String::New(fromWebCoreString(value[ii]), value[ii].length())); |
| return array; |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getTexParameterCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getTexParameter()"); |
| return getObjectParameter(args, kTexture); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getUniformCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getUniform()"); |
| |
| if (args.Length() != 2) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| |
| ExceptionCode ec = 0; |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder()); |
| if (args.Length() > 0 && !isUndefinedOrNull(args[0]) && !V8WebGLProgram::HasInstance(args[0])) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| WebGLProgram* program = V8WebGLProgram::HasInstance(args[0]) ? V8WebGLProgram::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0; |
| |
| if (args.Length() > 1 && !isUndefinedOrNull(args[1]) && !V8WebGLUniformLocation::HasInstance(args[1])) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| bool ok = false; |
| WebGLUniformLocation* location = toWebGLUniformLocation(args[1], ok); |
| |
| WebGLGetInfo info = context->getUniform(program, location, ec); |
| if (ec) { |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| return toV8Object(info); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::getVertexAttribCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.getVertexAttrib()"); |
| return getObjectParameter(args, kVertexAttrib); |
| } |
| |
| 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 v8::Handle<v8::Value> vertexAttribAndUniformHelperf(const v8::Arguments& args, |
| FunctionToCall functionToCall) { |
| // 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 (args.Length() != 2) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| |
| bool ok = false; |
| int index = -1; |
| WebGLUniformLocation* location = 0; |
| |
| if (isFunctionToCallForAttribute(functionToCall)) |
| index = toInt32(args[0]); |
| else { |
| if (args.Length() > 0 && !isUndefinedOrNull(args[0]) && !V8WebGLUniformLocation::HasInstance(args[0])) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| location = toWebGLUniformLocation(args[0], ok); |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder()); |
| |
| if (V8Float32Array::HasInstance(args[1])) { |
| Float32Array* array = V8Float32Array::toNative(args[1]->ToObject()); |
| ASSERT(array != NULL); |
| ExceptionCode ec = 0; |
| switch (functionToCall) { |
| case kUniform1v: context->uniform1fv(location, array, ec); break; |
| case kUniform2v: context->uniform2fv(location, array, ec); break; |
| case kUniform3v: context->uniform3fv(location, array, ec); break; |
| case kUniform4v: context->uniform4fv(location, array, ec); 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; |
| } |
| if (ec) |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| |
| if (args[1].IsEmpty() || !args[1]->IsArray()) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| v8::Handle<v8::Array> array = |
| v8::Local<v8::Array>::Cast(args[1]); |
| uint32_t len = array->Length(); |
| float* data = jsArrayToFloatArray(array, len); |
| if (!data) { |
| // FIXME: consider different / better exception type. |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| ExceptionCode ec = 0; |
| switch (functionToCall) { |
| case kUniform1v: context->uniform1fv(location, data, len, ec); break; |
| case kUniform2v: context->uniform2fv(location, data, len, ec); break; |
| case kUniform3v: context->uniform3fv(location, data, len, ec); break; |
| case kUniform4v: context->uniform4fv(location, data, len, ec); 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); |
| if (ec) |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| |
| static v8::Handle<v8::Value> uniformHelperi(const v8::Arguments& args, |
| FunctionToCall functionToCall) { |
| // 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 (args.Length() != 2) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder()); |
| if (args.Length() > 0 && !isUndefinedOrNull(args[0]) && !V8WebGLUniformLocation::HasInstance(args[0])) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| bool ok = false; |
| WebGLUniformLocation* location = toWebGLUniformLocation(args[0], ok); |
| |
| if (V8Int32Array::HasInstance(args[1])) { |
| Int32Array* array = V8Int32Array::toNative(args[1]->ToObject()); |
| ASSERT(array != NULL); |
| ExceptionCode ec = 0; |
| switch (functionToCall) { |
| case kUniform1v: context->uniform1iv(location, array, ec); break; |
| case kUniform2v: context->uniform2iv(location, array, ec); break; |
| case kUniform3v: context->uniform3iv(location, array, ec); break; |
| case kUniform4v: context->uniform4iv(location, array, ec); break; |
| default: ASSERT_NOT_REACHED(); break; |
| } |
| if (ec) |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| |
| if (args[1].IsEmpty() || !args[1]->IsArray()) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| v8::Handle<v8::Array> array = |
| v8::Local<v8::Array>::Cast(args[1]); |
| uint32_t len = array->Length(); |
| int* data = jsArrayToIntArray(array, len); |
| if (!data) { |
| // FIXME: consider different / better exception type. |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| ExceptionCode ec = 0; |
| switch (functionToCall) { |
| case kUniform1v: context->uniform1iv(location, data, len, ec); break; |
| case kUniform2v: context->uniform2iv(location, data, len, ec); break; |
| case kUniform3v: context->uniform3iv(location, data, len, ec); break; |
| case kUniform4v: context->uniform4iv(location, data, len, ec); break; |
| default: ASSERT_NOT_REACHED(); break; |
| } |
| fastFree(data); |
| if (ec) |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniform1fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniform1fv()"); |
| return vertexAttribAndUniformHelperf(args, kUniform1v); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniform1ivCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniform1iv()"); |
| return uniformHelperi(args, kUniform1v); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniform2fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniform2fv()"); |
| return vertexAttribAndUniformHelperf(args, kUniform2v); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniform2ivCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniform2iv()"); |
| return uniformHelperi(args, kUniform2v); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniform3fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniform3fv()"); |
| return vertexAttribAndUniformHelperf(args, kUniform3v); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniform3ivCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniform3iv()"); |
| return uniformHelperi(args, kUniform3v); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniform4fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniform4fv()"); |
| return vertexAttribAndUniformHelperf(args, kUniform4v); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniform4ivCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniform4iv()"); |
| return uniformHelperi(args, kUniform4v); |
| } |
| |
| static v8::Handle<v8::Value> uniformMatrixHelper(const v8::Arguments& args, |
| int matrixSize) |
| { |
| // 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 (args.Length() != 3) { |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| |
| WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder()); |
| |
| if (args.Length() > 0 && !isUndefinedOrNull(args[0]) && !V8WebGLUniformLocation::HasInstance(args[0])) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| bool ok = false; |
| WebGLUniformLocation* location = toWebGLUniformLocation(args[0], ok); |
| |
| bool transpose = args[1]->BooleanValue(); |
| if (V8Float32Array::HasInstance(args[2])) { |
| Float32Array* array = V8Float32Array::toNative(args[2]->ToObject()); |
| ASSERT(array != NULL); |
| ExceptionCode ec = 0; |
| switch (matrixSize) { |
| case 2: context->uniformMatrix2fv(location, transpose, array, ec); break; |
| case 3: context->uniformMatrix3fv(location, transpose, array, ec); break; |
| case 4: context->uniformMatrix4fv(location, transpose, array, ec); break; |
| default: ASSERT_NOT_REACHED(); break; |
| } |
| if (ec) |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| |
| if (args[2].IsEmpty() || !args[2]->IsArray()) { |
| V8Proxy::throwTypeError(); |
| return notHandledByInterceptor(); |
| } |
| v8::Handle<v8::Array> array = |
| v8::Local<v8::Array>::Cast(args[2]); |
| uint32_t len = array->Length(); |
| float* data = jsArrayToFloatArray(array, len); |
| if (!data) { |
| // FIXME: consider different / better exception type. |
| V8Proxy::setDOMException(SYNTAX_ERR); |
| return notHandledByInterceptor(); |
| } |
| ExceptionCode ec = 0; |
| switch (matrixSize) { |
| case 2: context->uniformMatrix2fv(location, transpose, data, len, ec); break; |
| case 3: context->uniformMatrix3fv(location, transpose, data, len, ec); break; |
| case 4: context->uniformMatrix4fv(location, transpose, data, len, ec); break; |
| default: ASSERT_NOT_REACHED(); break; |
| } |
| fastFree(data); |
| if (ec) |
| V8Proxy::setDOMException(ec); |
| return v8::Undefined(); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniformMatrix2fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniformMatrix2fv()"); |
| return uniformMatrixHelper(args, 2); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniformMatrix3fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniformMatrix3fv()"); |
| return uniformMatrixHelper(args, 3); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::uniformMatrix4fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.uniformMatrix4fv()"); |
| return uniformMatrixHelper(args, 4); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::vertexAttrib1fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.vertexAttrib1fv()"); |
| return vertexAttribAndUniformHelperf(args, kVertexAttrib1v); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::vertexAttrib2fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.vertexAttrib2fv()"); |
| return vertexAttribAndUniformHelperf(args, kVertexAttrib2v); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::vertexAttrib3fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.vertexAttrib3fv()"); |
| return vertexAttribAndUniformHelperf(args, kVertexAttrib3v); |
| } |
| |
| v8::Handle<v8::Value> V8WebGLRenderingContext::vertexAttrib4fvCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.WebGLRenderingContext.vertexAttrib4fv()"); |
| return vertexAttribAndUniformHelperf(args, kVertexAttrib4v); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBGL) |
