/platform/external/webkit/WebCore/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp
https://github.com/aharish/totoro-gb-opensource-update2 · C++ · 1072 lines · 866 code · 90 blank · 116 comment · 156 complexity · 1486a8d8bd5a6c03ac96fd83f463c691 MD5 · raw file
- /*
- * 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 areV8ClassIndex::WEBGL
- * 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(3D_CANVAS)
- #include "V8WebGLRenderingContext.h"
- #include "ExceptionCode.h"
- #include "NotImplemented.h"
- #include <wtf/FastMalloc.h>
- #include "V8Binding.h"
- #include "V8WebGLArray.h"
- #include "V8WebGLBuffer.h"
- #include "V8WebGLByteArray.h"
- #include "V8WebGLFloatArray.h"
- #include "V8WebGLFramebuffer.h"
- #include "V8WebGLIntArray.h"
- #include "V8WebGLProgram.h"
- #include "V8WebGLRenderbuffer.h"
- #include "V8WebGLShader.h"
- #include "V8WebGLShortArray.h"
- #include "V8WebGLTexture.h"
- #include "V8WebGLUniformLocation.h"
- #include "V8WebGLUnsignedByteArray.h"
- #include "V8WebGLUnsignedIntArray.h"
- #include "V8WebGLUnsignedShortArray.h"
- #include "V8HTMLCanvasElement.h"
- #include "V8HTMLImageElement.h"
- #include "V8HTMLVideoElement.h"
- #include "V8ImageData.h"
- #include "V8Proxy.h"
- #include "WebGLRenderingContext.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;
- }
- v8::Handle<v8::Value> V8WebGLRenderingContext::bufferDataCallback(const v8::Arguments& args)
- {
- INC_STATS("DOM.WebGLRenderingContext.bufferData()");
- // Forms:
- // * bufferData(GLenum target, WebGLArray data, GLenum usage);
- // - Sets the buffer's data from the given WebGLArray
- // * bufferData(GLenum target, GLsizeiptr size, GLenum usage);
- // - Sets the size of the buffer to the given size in bytes
- if (args.Length() != 3) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder());
- bool ok;
- int target = toInt32(args[0], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int usage = toInt32(args[2], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- if (args[1]->IsInt32()) {
- int size = toInt32(args[1]);
- ExceptionCode exceptionCode;
- context->bufferData(target, size, usage, exceptionCode);
- } else if (V8WebGLArray::HasInstance(args[1])) {
- WebGLArray* array = V8WebGLArray::toNative(args[1]->ToObject());
- ExceptionCode exceptionCode;
- context->bufferData(target, array, usage, exceptionCode);
- } else {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- return v8::Undefined();
- }
- v8::Handle<v8::Value> V8WebGLRenderingContext::bufferSubDataCallback(const v8::Arguments& args)
- {
- INC_STATS("DOM.WebGLRenderingContext.bufferSubData()");
- // Forms:
- // * bufferSubData(GLenum target, GLintptr offset, WebGLArray data);
- if (args.Length() != 3) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder());
- bool ok;
- int target = toInt32(args[0], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int offset = toInt32(args[1], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- if (!V8WebGLArray::HasInstance(args[2])) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- WebGLArray* array = V8WebGLArray::toNative(args[2]->ToObject());
- ExceptionCode exceptionCode;
- context->bufferSubData(target, offset, array, exceptionCode);
- return v8::Undefined();
- }
- static v8::Handle<v8::Value> toV8Object(const WebGLGetInfo& info)
- {
- switch (info.getType()) {
- case WebGLGetInfo::kTypeBool:
- return v8::Boolean::New(info.getBool());
- case WebGLGetInfo::kTypeFloat:
- return v8::Number::New(info.getFloat());
- case WebGLGetInfo::kTypeLong:
- return v8::Integer::New(info.getLong());
- case WebGLGetInfo::kTypeNull:
- return v8::Null();
- case WebGLGetInfo::kTypeString:
- return v8::String::New(fromWebCoreString(info.getString()), info.getString().length());
- case WebGLGetInfo::kTypeUnsignedLong:
- return v8::Integer::NewFromUnsigned(info.getUnsignedLong());
- 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());
- default:
- notImplemented();
- return v8::Undefined();
- }
- }
- 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());
- bool ok;
- unsigned target = toInt32(args[0], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- unsigned pname = toInt32(args[1], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- 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::getBufferParameterCallback(const v8::Arguments& args)
- {
- INC_STATS("DOM.WebGLRenderingContext.getBufferParameter()");
- return getObjectParameter(args, kBuffer);
- }
- 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());
- bool ok;
- unsigned target = toInt32(args[0], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- unsigned attachment = toInt32(args[1], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- unsigned pname = toInt32(args[2], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- 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());
- bool ok;
- unsigned pname = toInt32(args[0], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- 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());
- WebGLProgram* program = V8WebGLProgram::HasInstance(args[0]) ? V8WebGLProgram::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
- bool ok;
- unsigned pname = toInt32(args[1], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- 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());
- WebGLShader* shader = V8WebGLShader::HasInstance(args[0]) ? V8WebGLShader::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
- bool ok;
- unsigned pname = toInt32(args[1], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- WebGLGetInfo info = context->getShaderParameter(shader, pname, ec);
- if (ec) {
- V8Proxy::setDOMException(ec);
- return v8::Undefined();
- }
- return toV8Object(info);
- }
- 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());
- WebGLProgram* program = V8WebGLProgram::HasInstance(args[0]) ? V8WebGLProgram::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
- bool ok = false;
- WebGLUniformLocation* location = toWebGLUniformLocation(args[1], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- 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);
- }
- v8::Handle<v8::Value> V8WebGLRenderingContext::texImage2DCallback(const v8::Arguments& args)
- {
- INC_STATS("DOM.WebGLRenderingContext.texImage2D()");
- // Currently supported forms:
- // * void texImage2D(in GLenum target, in GLint level,
- // in GLint internalformat,
- // in GLsizei width, in GLsizei height, in GLint border,
- // in GLenum format, in GLenum type, in WebGLArray pixels);
- // * void texImage2D(in GLenum target, in GLint level, in ImageData pixels,
- // [Optional] in GLboolean flipY, [Optional] in GLboolean premulitplyAlpha);
- // * void texImage2D(in GLenum target, in GLint level, in HTMLImageElement image,
- // [Optional] in GLboolean flipY, [Optional] in GLboolean premultiplyAlpha);
- // * void texImage2D(in GLenum target, in GLint level, in HTMLCanvasElement image,
- // [Optional] in GLboolean flipY, [Optional] in GLboolean premultiplyAlpha);
- // * void texImage2D(in GLenum target, in GLint level, in HTMLVideoElement image,
- // [Optional] in GLboolean flipY, [Optional] in GLboolean premultiplyAlpha);
- if (args.Length() != 3 &&
- args.Length() != 4 &&
- args.Length() != 5 &&
- args.Length() != 9) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder());
- bool ok;
- int target = toInt32(args[0], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int level = toInt32(args[1], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- ExceptionCode ec = 0;
- if (args.Length() == 3 ||
- args.Length() == 4 ||
- args.Length() == 5) {
- bool flipY = false;
- bool premultiplyAlpha = false;
- if (args.Length() >= 4)
- flipY = args[3]->BooleanValue();
- if (args.Length() >= 5)
- premultiplyAlpha = args[4]->BooleanValue();
- v8::Handle<v8::Value> arg = args[2];
- if (V8HTMLImageElement::HasInstance(arg)) {
- HTMLImageElement* element = V8HTMLImageElement::toNative(v8::Handle<v8::Object>::Cast(arg));
- context->texImage2D(target, level, element, flipY, premultiplyAlpha, ec);
- } else if (V8HTMLCanvasElement::HasInstance(arg)) {
- HTMLCanvasElement* element = V8HTMLCanvasElement::toNative(v8::Handle<v8::Object>::Cast(arg));
- context->texImage2D(target, level, element, flipY, premultiplyAlpha, ec);
- } else if(V8ImageData::HasInstance(arg)) {
- ImageData* imageElement = V8ImageData::toNative(v8::Handle<v8::Object>::Cast(arg));
- context->texImage2D(target, level, imageElement, flipY, premultiplyAlpha, ec);
- } else if (V8HTMLVideoElement::HasInstance(arg)) {
- HTMLVideoElement* element = V8HTMLVideoElement::toNative(v8::Handle<v8::Object>::Cast(arg));
- context->texImage2D(target, level, element, flipY, premultiplyAlpha, ec);
- }
- else {
- // FIXME: consider different / better exception type.
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- // Fall through
- } else if (args.Length() == 9) {
- int internalformat = toInt32(args[2], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int width = toInt32(args[3], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int height = toInt32(args[4], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int border = toInt32(args[5], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int format = toInt32(args[6], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int type = toInt32(args[7], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- v8::Handle<v8::Value> arg = args[8];
- if (!arg->IsObject())
- // Assume that the user is passing null for texture
- context->texImage2D(target,
- level,
- internalformat,
- width,
- height,
- border,
- format,
- type,
- 0,
- ec);
- else if (V8WebGLArray::HasInstance(arg)) {
- WebGLArray* array = V8WebGLArray::toNative(arg->ToObject());
- context->texImage2D(target,
- level,
- internalformat,
- width,
- height,
- border,
- format,
- type,
- array,
- ec);
- // Fall through
- } else {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- } else {
- ASSERT_NOT_REACHED();
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- if (ec) {
- V8Proxy::setDOMException(ec);
- return v8::Handle<v8::Value>();
- }
- return v8::Undefined();
- }
- v8::Handle<v8::Value> V8WebGLRenderingContext::texSubImage2DCallback(const v8::Arguments& args)
- {
- INC_STATS("DOM.WebGLRenderingContext.texSubImage2D()");
- // Currently supported forms:
- // * void texSubImage2D(in GLenum target, in GLint level, in GLint xoffset, in GLint yoffset,
- // in GLsizei width, in GLsizei height,
- // in GLenum format, in GLenum type, in WebGLArray pixels);
- // * void texSubImage2D(in GLenum target, in GLint level, in GLint xoffset, in GLint yoffset,
- // in ImageData pixels, [Optional] GLboolean flipY, [Optional] in premultiplyAlpha);
- // * void texSubImage2D(in GLenum target, in GLint level, in GLint xoffset, in GLint yoffset,
- // in HTMLImageElement image, [Optional] GLboolean flipY, [Optional] in premultiplyAlpha);
- // * void texSubImage2D(in GLenum target, in GLint level, in GLint xoffset, in GLint yoffset,
- // in HTMLCanvasElement canvas, [Optional] GLboolean flipY, [Optional] in premultiplyAlpha);
- // * void texSubImage2D(in GLenum target, in GLint level, in GLint xoffset, in GLint yoffset,
- // in HTMLVideoElement video, [Optional] GLboolean flipY, [Optional] in premultiplyAlpha);
- if (args.Length() != 5 &&
- args.Length() != 6 &&
- args.Length() != 7 &&
- args.Length() != 9) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder());
- bool ok;
- int target = toInt32(args[0], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int level = toInt32(args[1], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int xoff = toInt32(args[2], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int yoff = toInt32(args[3], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- ExceptionCode ec = 0;
- if (args.Length() == 5 ||
- args.Length() == 6 ||
- args.Length() == 7) {
- bool flipY = false;
- bool premultiplyAlpha = false;
- if (args.Length() >= 6)
- flipY = args[5]->BooleanValue();
- if (args.Length() >= 7)
- premultiplyAlpha = args[6]->BooleanValue();
- v8::Handle<v8::Value> arg = args[4];
- if (V8HTMLImageElement::HasInstance(arg)) {
- HTMLImageElement* element = V8HTMLImageElement::toNative(v8::Handle<v8::Object>::Cast(arg));
- context->texSubImage2D(target, level, xoff, yoff, element, flipY, premultiplyAlpha, ec);
- } else if (V8HTMLCanvasElement::HasInstance(arg)) {
- HTMLCanvasElement* element = V8HTMLCanvasElement::toNative(v8::Handle<v8::Object>::Cast(arg));
- context->texSubImage2D(target, level, xoff, yoff, element, flipY, premultiplyAlpha, ec);
- } else if(V8ImageData::HasInstance(arg)) {
- ImageData* imageElement = V8ImageData::toNative(v8::Handle<v8::Object>::Cast(arg));
- context->texSubImage2D(target, level, xoff, yoff, imageElement, flipY, premultiplyAlpha, ec);
- } else if (V8HTMLVideoElement::HasInstance(arg)) {
- HTMLVideoElement* element = V8HTMLVideoElement::toNative(v8::Handle<v8::Object>::Cast(arg));
- context->texSubImage2D(target, level, xoff, yoff, element, flipY, premultiplyAlpha, ec);
- }
- else {
- // FIXME: consider different / better exception type.
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- // Fall through
- } else if (args.Length() == 9) {
- int width = toInt32(args[4], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int height = toInt32(args[5], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int format = toInt32(args[6], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- int type = toInt32(args[7], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- v8::Handle<v8::Value> arg = args[8];
- if (!arg->IsObject())
- // Assume that the user is passing null for texture
- context->texSubImage2D(target,
- level,
- xoff,
- yoff,
- width,
- height,
- format,
- type,
- 0,
- ec);
- else if (V8WebGLArray::HasInstance(arg)) {
- WebGLArray* array = V8WebGLArray::toNative(arg->ToObject());
- context->texSubImage2D(target,
- level,
- xoff,
- yoff,
- width,
- height,
- format,
- type,
- array,
- ec);
- // Fall through
- } else {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- } else {
- ASSERT_NOT_REACHED();
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- if (ec) {
- V8Proxy::setDOMException(ec);
- return v8::Handle<v8::Value>();
- }
- return v8::Undefined();
- }
- 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, WebGLFloatArray data);
- // * glUniform2fv(WebGLUniformLocation location, Array data);
- // * glUniform2fv(WebGLUniformLocation location, WebGLFloatArray data);
- // * glUniform3fv(WebGLUniformLocation location, Array data);
- // * glUniform3fv(WebGLUniformLocation location, WebGLFloatArray data);
- // * glUniform4fv(WebGLUniformLocation location, Array data);
- // * glUniform4fv(WebGLUniformLocation location, WebGLFloatArray data);
- // * glVertexAttrib1fv(GLint index, Array data);
- // * glVertexAttrib1fv(GLint index, WebGLFloatArray data);
- // * glVertexAttrib2fv(GLint index, Array data);
- // * glVertexAttrib2fv(GLint index, WebGLFloatArray data);
- // * glVertexAttrib3fv(GLint index, Array data);
- // * glVertexAttrib3fv(GLint index, WebGLFloatArray data);
- // * glVertexAttrib4fv(GLint index, Array data);
- // * glVertexAttrib4fv(GLint index, WebGLFloatArray 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], ok);
- else
- location = toWebGLUniformLocation(args[0], ok);
- WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder());
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- if (V8WebGLFloatArray::HasInstance(args[1])) {
- WebGLFloatArray* array = V8WebGLFloatArray::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();
- }
- v8::Handle<v8::Array> array =
- v8::Local<v8::Array>::Cast(args[1]);
- if (array.IsEmpty()) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- 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, WebGLIntArray data);
- // * glUniform2iv(GLUniformLocation location, Array data);
- // * glUniform2iv(GLUniformLocation location, WebGLIntArray data);
- // * glUniform3iv(GLUniformLocation location, Array data);
- // * glUniform3iv(GLUniformLocation location, WebGLIntArray data);
- // * glUniform4iv(GLUniformLocation location, Array data);
- // * glUniform4iv(GLUniformLocation location, WebGLIntArray data);
- if (args.Length() != 2) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder());
- bool ok = false;
- WebGLUniformLocation* location = toWebGLUniformLocation(args[0], ok);
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- if (V8WebGLIntArray::HasInstance(args[1])) {
- WebGLIntArray* array = V8WebGLIntArray::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();
- }
- v8::Handle<v8::Array> array =
- v8::Local<v8::Array>::Cast(args[1]);
- if (array.IsEmpty()) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- 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, WebGLFloatArray data);
- // * glUniformMatrix3fv(GLint location, GLboolean transpose, Array data);
- // * glUniformMatrix3fv(GLint location, GLboolean transpose, WebGLFloatArray data);
- // * glUniformMatrix4fv(GLint location, GLboolean transpose, Array data);
- // * glUniformMatrix4fv(GLint location, GLboolean transpose, WebGLFloatArray data);
- //
- // FIXME: need to change to accept WebGLFloatArray as well.
- if (args.Length() != 3) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(args.Holder());
- bool ok = false;
- WebGLUniformLocation* location = toWebGLUniformLocation(args[0], ok);
-
- if (!ok) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- bool transpose = args[1]->BooleanValue();
- if (V8WebGLFloatArray::HasInstance(args[2])) {
- WebGLFloatArray* array = V8WebGLFloatArray::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();
- }
- v8::Handle<v8::Array> array =
- v8::Local<v8::Array>::Cast(args[2]);
- if (array.IsEmpty()) {
- V8Proxy::setDOMException(SYNTAX_ERR);
- return notHandledByInterceptor();
- }
- 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(3D_CANVAS)