gecko-dev/dom/canvas/WebGLExtensionMOZDebug.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WebGLExtensions.h"
#include "mozilla/dom/WebGLRenderingContextBinding.h"
#include "GLContext.h"
#include "WebGLContext.h"
#include "WebGLContextUtils.h"
namespace mozilla {
WebGLExtensionMOZDebug::WebGLExtensionMOZDebug(WebGLContext* webgl)
: WebGLExtensionBase(webgl) {}
WebGLExtensionMOZDebug::~WebGLExtensionMOZDebug() {}
void WebGLExtensionMOZDebug::GetParameter(JSContext* cx, GLenum pname,
JS::MutableHandle<JS::Value> retval,
ErrorResult& er) const {
if (mIsLost) return;
const WebGLContext::FuncScope funcScope(*mContext, "MOZ_debug.getParameter");
MOZ_ASSERT(!mContext->IsContextLost());
const auto& gl = mContext->gl;
switch (pname) {
case LOCAL_GL_EXTENSIONS: {
nsString ret;
if (!gl->IsCoreProfile()) {
const auto rawExts = (const char*)gl->fGetString(LOCAL_GL_EXTENSIONS);
ret = NS_ConvertUTF8toUTF16(rawExts);
} else {
const auto& numExts = gl->GetIntAs<GLuint>(LOCAL_GL_NUM_EXTENSIONS);
for (GLuint i = 0; i < numExts; i++) {
const auto rawExt =
(const char*)gl->fGetStringi(LOCAL_GL_EXTENSIONS, i);
if (i > 0) {
ret.AppendLiteral(" ");
}
ret.Append(NS_ConvertUTF8toUTF16(rawExt));
}
}
retval.set(StringValue(cx, ret, er));
return;
}
case LOCAL_GL_RENDERER:
case LOCAL_GL_VENDOR:
case LOCAL_GL_VERSION: {
const auto raw = (const char*)gl->fGetString(pname);
retval.set(StringValue(cx, NS_ConvertUTF8toUTF16(raw), er));
return;
}
case dom::MOZ_debug_Binding::WSI_INFO: {
nsCString info;
gl->GetWSIInfo(&info);
retval.set(StringValue(cx, NS_ConvertUTF8toUTF16(info), er));
return;
}
case dom::MOZ_debug_Binding::DOES_INDEX_VALIDATION:
retval.set(JS::BooleanValue(mContext->mNeedsIndexValidation));
return;
default:
mContext->ErrorInvalidEnumInfo("pname", pname);
retval.set(JS::NullValue());
return;
}
}
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionMOZDebug, MOZ_debug)
} // namespace mozilla