+int GetNumComponents(Graphics::VertexInputFormat vertexFormat)
+{
+ switch(vertexFormat)
+ {
+ case Graphics::VertexInputFormat::UNDEFINED:
+ case Graphics::VertexInputFormat::FLOAT:
+ case Graphics::VertexInputFormat::INTEGER:
+ return 1;
+ case Graphics::VertexInputFormat::IVECTOR2:
+ case Graphics::VertexInputFormat::FVECTOR2:
+ return 2;
+ case Graphics::VertexInputFormat::IVECTOR3:
+ case Graphics::VertexInputFormat::FVECTOR3:
+ return 3;
+ case Graphics::VertexInputFormat::FVECTOR4:
+ case Graphics::VertexInputFormat::IVECTOR4:
+ return 4;
+ }
+ return 1;
+}
+
+GLint GetSize(Graphics::VertexInputFormat vertexFormat)
+{
+ switch(vertexFormat)
+ {
+ case Graphics::VertexInputFormat::UNDEFINED:
+ return 1u;
+ case Graphics::VertexInputFormat::INTEGER:
+ case Graphics::VertexInputFormat::IVECTOR2:
+ case Graphics::VertexInputFormat::IVECTOR3:
+ case Graphics::VertexInputFormat::IVECTOR4:
+ return 2u;
+ case Graphics::VertexInputFormat::FLOAT:
+ case Graphics::VertexInputFormat::FVECTOR2:
+ case Graphics::VertexInputFormat::FVECTOR3:
+ case Graphics::VertexInputFormat::FVECTOR4:
+ return 4u;
+ }
+ return 1u;
+}
+
+GLint GetGlType(Graphics::VertexInputFormat vertexFormat)
+{
+ switch(vertexFormat)
+ {
+ case Graphics::VertexInputFormat::UNDEFINED:
+ return GL_BYTE;
+ case Graphics::VertexInputFormat::INTEGER:
+ case Graphics::VertexInputFormat::IVECTOR2:
+ case Graphics::VertexInputFormat::IVECTOR3:
+ case Graphics::VertexInputFormat::IVECTOR4:
+ return GL_SHORT;
+ case Graphics::VertexInputFormat::FLOAT:
+ case Graphics::VertexInputFormat::FVECTOR2:
+ case Graphics::VertexInputFormat::FVECTOR3:
+ case Graphics::VertexInputFormat::FVECTOR4:
+ return GL_FLOAT;
+ }
+ return GL_BYTE;
+}
+
+GLenum GetTopology(Graphics::PrimitiveTopology topology)
+{
+ switch(topology)
+ {
+ case Graphics::PrimitiveTopology::POINT_LIST:
+ return GL_POINTS;
+
+ case Graphics::PrimitiveTopology::LINE_LIST:
+ return GL_LINES;
+
+ case Graphics::PrimitiveTopology::LINE_LOOP:
+ return GL_LINE_LOOP;
+
+ case Graphics::PrimitiveTopology::LINE_STRIP:
+ return GL_LINE_STRIP;
+
+ case Graphics::PrimitiveTopology::TRIANGLE_LIST:
+ return GL_TRIANGLES;
+
+ case Graphics::PrimitiveTopology::TRIANGLE_STRIP:
+ return GL_TRIANGLE_STRIP;
+
+ case Graphics::PrimitiveTopology::TRIANGLE_FAN:
+ return GL_TRIANGLE_FAN;
+ }
+ return GL_TRIANGLES;
+}
+