void DataOutput::WriteByteArray(ByteArray& buffer,
uint32_t offset,
uint32_t count)
{
if (buffer.GetLength() < offset)
offset = buffer.GetLength();
if (count == 0) {
count = buffer.GetLength()-offset;
}
if (count > buffer.GetLength()-offset) {
ThrowRangeError();
}
if (count > 0) {
Write(buffer.GetBuffer()+offset, count);
}
}
void DataInput::ReadByteArray(ByteArray& buffer,
uint32_t offset,
uint32_t count)
{
uint32_t available = Available();
if (count == 0) {
count = available;
}
if (count > available) {
ThrowEOFError();
}
// Grow the buffer if necessary
if (offset + count >= buffer.GetLength()) {
buffer.SetLength(offset + count);
}
Read(buffer.GetBuffer() + offset, count);
}
ByteArray Shader::GetBinary() const
{
ByteArray byteArray;
Context::EnsureContext();
GLint binaryLength = 0;
glGetProgramiv(m_program, GL_PROGRAM_BINARY_LENGTH, &binaryLength);
if (binaryLength > 0)
{
byteArray.Reserve(sizeof(UInt64) + binaryLength);
UInt8* buffer = byteArray.GetBuffer();
GLenum binaryFormat;
glGetProgramBinary(m_program, binaryLength, nullptr, &binaryFormat, &buffer[sizeof(UInt64)]);
// On stocke le format au début du binaire
*reinterpret_cast<UInt64*>(&buffer[0]) = binaryFormat;
}
return byteArray;
}