blah/src/graphics/mesh.cpp

40 lines
938 B
C++

#include <blah/graphics/mesh.h>
#include "../internal/graphics_backend.h"
using namespace Blah;
MeshRef Mesh::create()
{
return GraphicsBackend::create_mesh();
}
VertexFormat::VertexFormat(std::initializer_list<VertexAttribute> attributes, int stride)
{
for (auto& it : attributes)
this->attributes.push_back(it);
if (stride <= 0)
{
stride = 0;
for (auto& it : attributes)
{
switch (it.type)
{
case VertexType::Float: stride += 4; break;
case VertexType::Float2: stride += 8; break;
case VertexType::Float3: stride += 12; break;
case VertexType::Float4: stride += 16; break;
case VertexType::Byte4: stride += 4; break;
case VertexType::UByte4: stride += 4; break;
case VertexType::Short2: stride += 4; break;
case VertexType::UShort2: stride += 4; break;
case VertexType::Short4: stride += 8; break;
case VertexType::UShort4: stride += 8; break;
}
}
}
this->stride = stride;
}