Source/core/html/canvas/ANGLEInstancedArrays.cpp

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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#include "config.h"

#include "core/html/canvas/ANGLEInstancedArrays.h"

#include "core/html/canvas/WebGLRenderingContext.h"
#include "core/platform/graphics/Extensions3D.h"

namespace WebCore {

ANGLEInstancedArrays::ANGLEInstancedArrays(WebGLRenderingContext* context)
    : WebGLExtension(context)
{
    ScriptWrappable::init(this);
    context->graphicsContext3D()->extensions()->ensureEnabled("GL_ANGLE_instanced_arrays");
}

ANGLEInstancedArrays::~ANGLEInstancedArrays()
{
}

WebGLExtension::ExtensionName ANGLEInstancedArrays::name() const
{
    return ANGLEInstancedArraysName;
}

PassRefPtr<ANGLEInstancedArrays> ANGLEInstancedArrays::create(WebGLRenderingContext* context)
{
    return adoptRef(new ANGLEInstancedArrays(context));
}

bool ANGLEInstancedArrays::supported(WebGLRenderingContext* context)
{
    Extensions3D* extensions = context->graphicsContext3D()->extensions();
    return extensions->supports("GL_ANGLE_instanced_arrays");
}

const char* ANGLEInstancedArrays::extensionName()
{
    return "ANGLE_instanced_arrays";
}

void ANGLEInstancedArrays::drawArraysInstancedANGLE(GC3Denum mode, GC3Dint first, GC3Dsizei count, GC3Dsizei primcount)
{
    if (isLost())
        return;

    m_context->drawArraysInstancedANGLE(mode, first, count, primcount);
}

void ANGLEInstancedArrays::drawElementsInstancedANGLE(GC3Denum mode, GC3Dsizei count, GC3Denum type, GC3Dintptr offset, GC3Dsizei primcount)
{
    if (isLost())
        return;

    m_context->drawElementsInstancedANGLE(mode, count, type, offset, primcount);
}

void ANGLEInstancedArrays::vertexAttribDivisorANGLE(GC3Duint index, GC3Duint divisor)
{
    if (isLost())
        return;

    m_context->vertexAttribDivisorANGLE(index, divisor);
}

} // namespace WebCore