Source/WebCore/html/canvas/OESTextureFloat.cpp

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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#include "config.h"

#if ENABLE(WEBGL)
#include "OESTextureFloat.h"

#include <wtf/IsoMallocInlines.h>

namespace WebCore {

WTF_MAKE_ISO_ALLOCATED_IMPL(OESTextureFloat);

OESTextureFloat::OESTextureFloat(WebGLRenderingContextBase& context)
    : WebGLExtension(context)
{
    context.graphicsContextGL()->ensureExtensionEnabled("GL_OES_texture_float"_s);
    context.graphicsContextGL()->ensureExtensionEnabled("GL_CHROMIUM_color_buffer_float_rgb"_s);
    context.graphicsContextGL()->ensureExtensionEnabled("GL_CHROMIUM_color_buffer_float_rgba"_s);
    // https://github.com/KhronosGroup/WebGL/pull/2830
    // Spec requires EXT_float_blend to be turned on implicitly here.
    context.graphicsContextGL()->ensureExtensionEnabled("GL_EXT_float_blend"_s);
}

OESTextureFloat::~OESTextureFloat() = default;

WebGLExtension::ExtensionName OESTextureFloat::getName() const
{
    return OESTextureFloatName;
}

bool OESTextureFloat::supported(GraphicsContextGL& context)
{
    return context.supportsExtension("GL_OES_texture_float"_s);
}

} // namespace WebCore

#endif // ENABLE(WEBGL)