// Vertex Buffer
internal BufferRangeRL(BufferRL buffer)
{
this.buffer = buffer;
unchecked
{
this.beginMode = (BeginMode)(uint.MaxValue); // vertex buffers do not have a valid begin mode value
}
buffer.Add(this);
}
public BufferRL GetUniformBufferRL(BufferUsageHint usage)
{
// Current OpenRL API rlUniformBlockBuffer() needs
// exactly one buffer object per uniform block
// so we can not share the same buffer to multiple
// uniform blocks.
var buffer = new BufferRL(Caustic.OpenRL.BufferTarget.UniformBlockBuffer, (Caustic.OpenRL.BufferUsageHint)usage);
return(buffer);
}
// Uniform Buffer
internal BufferRangeRL(BufferRL buffer, IUniformBlock uniformBlock)
{
this.uniformBlock = uniformBlock;
this.buffer = buffer;
unchecked
{
this.beginMode = (BeginMode)(uint.MaxValue); // uniform buffers do not have a valid begin mode value
}
buffer.Add(this);
// Pre-initialize uniform buffer as we do not use BeginEdit() / EndEdit()
size = uniformBlock.Size;
data = new byte[size];
}
// Index buffer, with valid begin mode
internal BufferRangeRL(BufferRL buffer, BeginMode beginMode)
{
this.buffer = buffer;
this.beginMode = beginMode;
buffer.Add(this);
}
internal BufferGLRL(DrawElementsType indexType, BufferUsageHint usageHint)
{
bufferGL = new BufferGL(indexType, usageHint);
bufferRL = new BufferRL((Caustic.OpenRL.DrawElementsType)indexType, (Caustic.OpenRL.BufferUsageHint)usageHint);
}
internal BufferGLRL(VertexFormat vertexFormat, BufferUsageHint usageHint)
{
bufferGL = new BufferGL(vertexFormat, usageHint);
bufferRL = new BufferRL(vertexFormat, (Caustic.OpenRL.BufferUsageHint)usageHint);
}
internal BufferGLRL(BufferTarget target, BufferUsageHint usageHint)
{
bufferGL = new BufferGL(target, usageHint);
bufferRL = new BufferRL((Caustic.OpenRL.BufferTarget)target, (Caustic.OpenRL.BufferUsageHint)usageHint);
}
