#ifndef WebGLFloatArray_h
#define WebGLFloatArray_h
#include "WebGLArray.h"
#include <wtf/MathExtras.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class WebGLFloatArray : public WebGLArray {
public:
virtual bool isFloatArray() const { return true; }
static PassRefPtr<WebGLFloatArray> create(unsigned length);
static PassRefPtr<WebGLFloatArray> create(float* array, unsigned length);
static PassRefPtr<WebGLFloatArray> create(PassRefPtr<WebGLArrayBuffer> buffer, unsigned byteOffset, unsigned length);
float* data() { return static_cast<float*>(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;
float* storage = static_cast<float*>(m_baseAddress);
storage[index] = static_cast<float>(value);
}
bool get(unsigned index, float& result) const
{
if (index >= m_size)
return false;
result = item(index);
return true;
}
float get(unsigned index) const
{
return item(index);
}
float item(unsigned index) const
{
ASSERT(index < m_size);
float* storage = static_cast<float*>(m_baseAddress);
float result = storage[index];
if (isnan(result)) {
result = 0;
}
return result;
}
void set(WebGLFloatArray* array, unsigned offset, ExceptionCode& ec);
private:
WebGLFloatArray(PassRefPtr<WebGLArrayBuffer> buffer, unsigned byteOffset, unsigned length);
unsigned m_size;
};
}
#endif // WebGLFloatArray_h