void Mesh::addBuffer(GLfloat const *buffer, internal::AttributeAccessor attribute, Shader::Format format)
{
if(attributeIndex(attribute) != -1)
throw log(__FILE__, __LINE__, LogType::error, "Trying to add a buffer to a mesh that is already added");
d_additionalVBOs.emplace_back(ListAccessor<GLfloat>{d_numOfVertices * internal::formatSize(format), buffer});
d_formats.push_back({attribute, format});
}
void Mesh::updateBuffer(GLfloat const *buffer, internal::AttributeAccessor attribute)
{
int index = attributeIndex(attribute);
if(index == -1 || (index != 0 && d_additionalVBOs[index - 1].size() == 0) || (index == 0 && d_interleavedVBO.size() == 0))
throw log(__FILE__, __LINE__, LogType::error, "Unable to call Mesh::updateBuffer(buffer, attribute) on an attribute that has not been added first");
uint formatS = internal::formatSize(d_formats[index].second);
if(index == 0)
d_interleavedVBO.update({d_numOfVertices * formatS, buffer});
else
d_additionalVBOs[index - 1].update({d_numOfVertices * formatS, buffer});
}
void VertexAttributeBindingImplementation_Legacy::finish(const VertexAttributeBinding * binding) const
{
assert(bindingData(binding) != nullptr);
vao(binding)->bind();
void * offset = nullptr;
if (vbo(binding))
{
vbo(binding)->bind(GL_ARRAY_BUFFER);
const auto offset64 = static_cast<GLuint64>(bindingData(binding)->baseoffset + bindingData(binding)->format.relativeoffset);
offset = reinterpret_cast<void *>(offset64);
}
else
{
Buffer::unbind(GL_ARRAY_BUFFER);
}
const GLint attribute = attributeIndex(binding);
switch (bindingData(binding)->format.method)
{
case Format::Method::I:
glVertexAttribIPointer(attribute, bindingData(binding)->format.size, bindingData(binding)->format.type
, bindingData(binding)->stride, offset);
break;
case Format::Method::L:
glVertexAttribLPointer(attribute, bindingData(binding)->format.size, bindingData(binding)->format.type
, bindingData(binding)->stride, offset);
break;
default:
glVertexAttribPointer(attribute, bindingData(binding)->format.size, bindingData(binding)->format.type
, bindingData(binding)->format.normalized, bindingData(binding)->stride, offset);
}
}
const MetaAttribute &MetaRecord::metaAttribute(
const CSSM_DB_ATTRIBUTE_INFO &inAttributeInfo) const
{
return *mAttributeVector[attributeIndex(inAttributeInfo)];
}