angle::Result TransformFeedbackGL::bindIndexedBuffer(
const gl::Context *context,
size_t index,
const gl::OffsetBindingPointer<gl::Buffer> &binding)
{
// Directly bind buffer (not through the StateManager methods) because the buffer bindings are
// tracked per transform feedback object
mStateManager->bindTransformFeedback(GL_TRANSFORM_FEEDBACK, mTransformFeedbackID);
if (binding.get() != nullptr)
{
const BufferGL *bufferGL = GetImplAs<BufferGL>(binding.get());
if (binding.getSize() != 0)
{
mFunctions->bindBufferRange(GL_TRANSFORM_FEEDBACK_BUFFER, static_cast<GLuint>(index),
bufferGL->getBufferID(), binding.getOffset(),
binding.getSize());
}
else
{
mFunctions->bindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, static_cast<GLuint>(index),
bufferGL->getBufferID());
}
}
else
{
mFunctions->bindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, static_cast<GLuint>(index), 0);
}
return angle::Result::Continue;
}
void TransformFeedback11::bindIndexedBuffer(size_t index,
const gl::OffsetBindingPointer<gl::Buffer> &binding)
{
mIsDirty = true;
mBufferOffsets[index] = static_cast<UINT>(binding.getOffset());
}