public override void DrawIndexedPrimitives(int count, int startingIndex, int startingVertex)
{
SetBaseVertexOffset(startingVertex);
PreDrawCommand();
var elementsType = ((OpenGLESIndexBuffer)IndexBuffer).ElementsType;
int indexSize = OpenGLESFormats.GetIndexFormatSize(elementsType);
GL.DrawElements(_primitiveType, count, elementsType, new IntPtr(startingIndex * indexSize));
}
public override void DrawInstancedPrimitives(int indexCount, int instanceCount, int startingIndex)
{
SetBaseVertexOffset(0);
PreDrawCommand();
var elementsType = ((OpenGLESIndexBuffer)IndexBuffer).ElementsType;
int indexSize = OpenGLESFormats.GetIndexFormatSize(elementsType);
GL.DrawElementsInstanced(_primitiveType, indexCount, elementsType, new IntPtr(startingIndex * indexSize), instanceCount);
Utilities.CheckLastGLES3Error();
}
