WebGLUnsignedShortArray.h [plain text]
#ifndef WebGLUnsignedShortArray_h
#define WebGLUnsignedShortArray_h
#include "WebGLArray.h"
#include <limits>
#include <wtf/MathExtras.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class WebGLUnsignedShortArray : public WebGLArray {
public:
virtual bool isUnsignedShortArray() const { return true; }
static PassRefPtr<WebGLUnsignedShortArray> create(unsigned length);
static PassRefPtr<WebGLUnsignedShortArray> create(unsigned short* array, unsigned length);
static PassRefPtr<WebGLUnsignedShortArray> create(PassRefPtr<WebGLArrayBuffer> buffer, unsigned byteOffset, unsigned length);
unsigned short* data() { return static_cast<unsigned short*>(baseAddress()); }
virtual unsigned length() const;
virtual unsigned byteLength() const;
virtual PassRefPtr<WebGLArray> slice(int start, int end);
void set(unsigned index, double value)
{
if (index >= m_size)
return;
if (isnan(value)) value = 0;
if (value < std::numeric_limits<unsigned short>::min())
value = std::numeric_limits<unsigned short>::min();
else if (value > std::numeric_limits<unsigned short>::max())
value = std::numeric_limits<unsigned short>::max();
unsigned short* storage = static_cast<unsigned short*>(m_baseAddress);
storage[index] = static_cast<unsigned short>(value);
}
bool get(unsigned index, unsigned short& result) const
{
if (index >= m_size)
return false;
unsigned short* storage = static_cast<unsigned short*>(m_baseAddress);
result = storage[index];
return true;
}
unsigned short get(unsigned index) const
{
return item(index);
}
unsigned short item(unsigned index) const
{
ASSERT(index < m_size);
unsigned short* storage = static_cast<unsigned short*>(m_baseAddress);
return storage[index];
}
void set(WebGLUnsignedShortArray* array, unsigned offset, ExceptionCode& ec);
private:
WebGLUnsignedShortArray(PassRefPtr<WebGLArrayBuffer> buffer, unsigned byteOffset,unsigned length);
unsigned m_size;
};
}
#endif // WebGLUnsignedShortArray_h