/*
 * 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
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  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.
 *
 * 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
 * (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"

#include "platform/graphics/Extensions3D.h"

#include "platform/graphics/GraphicsContext3D.h"
#include "public/platform/WebGraphicsContext3D.h"
#include "wtf/text/CString.h"

namespace WebCore {

Extensions3D::Extensions3D(GraphicsContext3D* context)
    : m_context(context)
{
}

Extensions3D::~Extensions3D()
{
}

bool Extensions3D::supports(const String& name)
{
    return m_context->supportsExtension(name);
}

void Extensions3D::ensureEnabled(const String& name)
{
    bool result = m_context->ensureExtensionEnabled(name);
    ASSERT_UNUSED(result, result);
}

bool Extensions3D::isEnabled(const String& name)
{
    return m_context->isExtensionEnabled(name);
}

int Extensions3D::getGraphicsResetStatusARB()
{
    return static_cast<int>(m_context->webContext()->getGraphicsResetStatusARB());
}

void Extensions3D::blitFramebuffer(long srcX0, long srcY0, long srcX1, long srcY1, long dstX0, long dstY0, long dstX1, long dstY1, unsigned long mask, unsigned long filter)
{
    m_context->webContext()->blitFramebufferCHROMIUM(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}

void Extensions3D::renderbufferStorageMultisample(unsigned long target, unsigned long samples, unsigned long internalformat, unsigned long width, unsigned long height)
{
    m_context->webContext()->renderbufferStorageMultisampleCHROMIUM(target, samples, internalformat, width, height);
}

void* Extensions3D::mapBufferSubDataCHROMIUM(unsigned target, int offset, int size, unsigned access)
{
    return m_context->webContext()->mapBufferSubDataCHROMIUM(target, offset, size, access);
}

void Extensions3D::unmapBufferSubDataCHROMIUM(const void* data)
{
    m_context->webContext()->unmapBufferSubDataCHROMIUM(data);
}

void* Extensions3D::mapTexSubImage2DCHROMIUM(unsigned target, int level, int xoffset, int yoffset, int width, int height, unsigned format, unsigned type, unsigned access)
{
    return m_context->webContext()->mapTexSubImage2DCHROMIUM(target, level, xoffset, yoffset, width, height, format, type, access);
}

void Extensions3D::unmapTexSubImage2DCHROMIUM(const void* data)
{
    m_context->webContext()->unmapTexSubImage2DCHROMIUM(data);
}

Platform3DObject Extensions3D::createVertexArrayOES()
{
    return m_context->webContext()->createVertexArrayOES();
}

void Extensions3D::deleteVertexArrayOES(Platform3DObject array)
{
    m_context->webContext()->deleteVertexArrayOES(array);
}

GC3Dboolean Extensions3D::isVertexArrayOES(Platform3DObject array)
{
    return m_context->webContext()->isVertexArrayOES(array);
}

void Extensions3D::bindVertexArrayOES(Platform3DObject array)
{
    m_context->webContext()->bindVertexArrayOES(array);
}

String Extensions3D::getTranslatedShaderSourceANGLE(Platform3DObject shader)
{
    return m_context->webContext()->getTranslatedShaderSourceANGLE(shader);
}

void Extensions3D::rateLimitOffscreenContextCHROMIUM()
{
    m_context->webContext()->rateLimitOffscreenContextCHROMIUM();
}

void Extensions3D::paintFramebufferToCanvas(int framebuffer, int width, int height, bool premultiplyAlpha, ImageBuffer* imageBuffer)
{
    m_context->paintFramebufferToCanvas(framebuffer, width, height, premultiplyAlpha, imageBuffer);
}

void Extensions3D::texImageIOSurface2DCHROMIUM(unsigned target, int width, int height, uint32_t ioSurfaceId, unsigned plane)
{
    m_context->webContext()->texImageIOSurface2DCHROMIUM(target, width, height, ioSurfaceId, plane);
}

void Extensions3D::texStorage2DEXT(unsigned int target, int levels, unsigned int internalFormat, int width, int height)
{
    m_context->webContext()->texStorage2DEXT(target, levels, internalFormat, width, height);
}

Platform3DObject Extensions3D::createQueryEXT()
{
    return m_context->webContext()->createQueryEXT();
}

void Extensions3D::deleteQueryEXT(Platform3DObject query)
{
    m_context->webContext()->deleteQueryEXT(query);
}

GC3Dboolean Extensions3D::isQueryEXT(Platform3DObject query)
{
    return m_context->webContext()->isQueryEXT(query);
}

void Extensions3D::beginQueryEXT(GC3Denum target, Platform3DObject query)
{
    m_context->webContext()->beginQueryEXT(target, query);
}

void Extensions3D::endQueryEXT(GC3Denum target)
{
    m_context->webContext()->endQueryEXT(target);
}

void Extensions3D::getQueryivEXT(GC3Denum target, GC3Denum pname, GC3Dint* params)
{
    m_context->webContext()->getQueryivEXT(target, pname, params);
}

void Extensions3D::getQueryObjectuivEXT(Platform3DObject query, GC3Denum pname, GC3Duint* params)
{
    m_context->webContext()->getQueryObjectuivEXT(query, pname, params);
}

bool Extensions3D::canUseCopyTextureCHROMIUM(GC3Denum destFormat, GC3Denum destType, GC3Dint level)
{
    // FIXME: restriction of (RGB || RGBA)/UNSIGNED_BYTE/(Level 0) should be lifted when
    // WebGraphicsContext3D::copyTextureCHROMIUM(...) are fully functional.
    if ((destFormat == GL_RGB || destFormat == GL_RGBA)
        && destType == GL_UNSIGNED_BYTE
        && !level)
        return true;
    return false;
}

void Extensions3D::copyTextureCHROMIUM(GC3Denum target, Platform3DObject sourceId, Platform3DObject destId, GC3Dint level, GC3Denum internalFormat, GC3Denum destType)
{
    m_context->webContext()->copyTextureCHROMIUM(target, sourceId, destId, level, internalFormat, destType);
}

void Extensions3D::shallowFlushCHROMIUM()
{
    return m_context->webContext()->shallowFlushCHROMIUM();
}

void Extensions3D::insertEventMarkerEXT(const String& marker)
{
    m_context->webContext()->insertEventMarkerEXT(marker.utf8().data());
}

void Extensions3D::pushGroupMarkerEXT(const String& marker)
{
    m_context->webContext()->pushGroupMarkerEXT(marker.utf8().data());
}

void Extensions3D::popGroupMarkerEXT(void)
{
    m_context->webContext()->popGroupMarkerEXT();
}

void Extensions3D::drawBuffersEXT(GC3Dsizei n, const GC3Denum* bufs)
{
    m_context->webContext()->drawBuffersEXT(n, bufs);
}

void Extensions3D::drawArraysInstancedANGLE(GC3Denum mode, GC3Dint first, GC3Dsizei count, GC3Dsizei primcount)
{
    m_context->webContext()->drawArraysInstancedANGLE(mode, first, count, primcount);
}

void Extensions3D::drawElementsInstancedANGLE(GC3Denum mode, GC3Dsizei count, GC3Denum type, GC3Dintptr offset, GC3Dsizei primcount)
{
    m_context->webContext()->drawElementsInstancedANGLE(mode, count, type, offset, primcount);
}

void Extensions3D::vertexAttribDivisorANGLE(GC3Duint index, GC3Duint divisor)
{
    m_context->webContext()->vertexAttribDivisorANGLE(index, divisor);
}

void Extensions3D::loseContextCHROMIUM(GC3Denum current, GC3Denum other)
{
    m_context->webContext()->loseContextCHROMIUM(current, other);
}

} // namespace WebCore