dom/canvas/WebGLExtensionColorBufferFloat.cpp
author Oleg Romashin <romaxa@gmail.com>
Sat, 22 Nov 2014 12:15:00 +0100
changeset 219062 cadfee0aa2af0fa0c5d3e192423024d417b3183a
parent 217811 10a7d6c3fa977bcc39c82ee01b94b5f7ce2fe46f
child 246996 524a9ccacb05e7bd68256aa4c5902d83a6ff5de6
permissions -rw-r--r--
Bug 1103412 - Gecko does not compile with printing disabled. r=mconley

/* 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 "GLContext.h"
#include "mozilla/dom/WebGLRenderingContextBinding.h"
#include "WebGLContext.h"

namespace mozilla {

WebGLExtensionColorBufferFloat::WebGLExtensionColorBufferFloat(WebGLContext* webgl)
    : WebGLExtensionBase(webgl)
{
    MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
}

WebGLExtensionColorBufferFloat::~WebGLExtensionColorBufferFloat()
{
}

bool
WebGLExtensionColorBufferFloat::IsSupported(const WebGLContext* webgl)
{
    gl::GLContext* gl = webgl->GL();

    // ANGLE supports this, but doesn't have a way to advertize its support,
    // since it's compliant with WEBGL_color_buffer_float's clamping, but not
    // EXT_color_buffer_float.
    return gl->IsSupported(gl::GLFeature::renderbuffer_color_float) ||
           gl->IsANGLE();
}

IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionColorBufferFloat)

} // namespace mozilla