public void EndGL11()
{
// Disable Blending by default = BlendState.Opaque
GL11.Disable(ALL11.Blend);
// set the blend mode
if (_blendState == BlendState.NonPremultiplied)
{
GL11.BlendFunc(ALL11.SrcAlpha, ALL11.OneMinusSrcAlpha);
GL11.Enable(ALL11.Blend);
}
if (_blendState == BlendState.AlphaBlend)
{
GL11.BlendFunc(ALL11.One, ALL11.OneMinusSrcAlpha);
GL11.Enable(ALL11.Blend);
}
if (_blendState == BlendState.Additive)
{
GL11.BlendFunc(ALL11.SrcAlpha, ALL11.One);
GL11.Enable(ALL11.Blend);
}
if (_blendState == BlendState.Multiply)
{
GL11.BlendFunc(ALL11.DstColor, ALL11.Zero);
GL11.Enable(ALL11.Blend);
}
if (_blendState == BlendState.Multiplyx2)
{
GL11.BlendFunc(ALL11.DstColor, ALL11.SrcColor);
GL11.Enable(ALL11.Blend);
}
// set camera
GL11.MatrixMode(ALL11.Projection);
GL11.LoadIdentity();
GL11.Ortho(0, this.graphicsDevice.Viewport.Width, this.graphicsDevice.Viewport.Height, 0, -1, 1);
// Enable Scissor Tests if necessary
if (this.graphicsDevice.RasterizerState.ScissorTestEnable)
{
GL11.Enable(ALL11.ScissorTest);
}
GL11.MatrixMode(ALL11.Modelview);
GL11.Viewport(0, 0, this.graphicsDevice.Viewport.Width, this.graphicsDevice.Viewport.Height);
// Enable Scissor Tests if necessary
if (this.graphicsDevice.RasterizerState.ScissorTestEnable)
{
GL11.Scissor(this.graphicsDevice.ScissorRectangle.X, this.graphicsDevice.ScissorRectangle.Y, this.graphicsDevice.ScissorRectangle.Width, this.graphicsDevice.ScissorRectangle.Height);
}
GL11.LoadMatrix(ref _matrix.M11);
// Initialize OpenGL states (ideally move this to initialize somewhere else)
GL11.Disable(ALL11.DepthTest);
GL11.TexEnv(ALL11.TextureEnv, ALL11.TextureEnvMode, (int)ALL11.BlendSrc);
GL11.Enable(ALL11.Texture2D);
GL11.EnableClientState(ALL11.VertexArray);
GL11.EnableClientState(ALL11.ColorArray);
GL11.EnableClientState(ALL11.TextureCoordArray);
// No need to cull sprites. they will all be same-facing by construction.
// Plus, setting frontface to Clockwise is a troll move.
GLStateManager.Cull(CullMode.None);
GL11.Color4(1.0f, 1.0f, 1.0f, 1.0f);
_batcher.DrawBatchGL11(_sortMode, _samplerState);
if (this.graphicsDevice.RasterizerState.ScissorTestEnable)
{
GL11.Disable(ALL11.ScissorTest);
}
}
public void EndGL11()
{
// Disable Blending by default = BlendState.Opaque
GL11.Disable(ALL11.Blend);
// set the blend mode
if (_blendState == BlendState.NonPremultiplied)
{
GL11.BlendFunc(ALL11.SrcAlpha, ALL11.OneMinusSrcAlpha);
GL11.Enable(ALL11.Blend);
}
if (_blendState == BlendState.AlphaBlend)
{
GL11.BlendFunc(ALL11.One, ALL11.OneMinusSrcAlpha);
GL11.Enable(ALL11.Blend);
}
if (_blendState == BlendState.Additive)
{
GL11.BlendFunc(ALL11.SrcAlpha, ALL11.One);
GL11.Enable(ALL11.Blend);
}
// set camera
GL11.MatrixMode(ALL11.Projection);
GL11.LoadIdentity();
#if ANDROID
// Switch on the flags.
switch (this.graphicsDevice.PresentationParameters.DisplayOrientation)
{
case DisplayOrientation.LandscapeRight:
{
GL11.Rotate(180, 0, 0, 1);
GL11.Ortho(0, this.graphicsDevice.Viewport.Width, this.graphicsDevice.Viewport.Height, 0, -1, 1);
break;
}
case DisplayOrientation.LandscapeLeft:
case DisplayOrientation.PortraitUpsideDown:
default:
{
GL11.Ortho(0, this.graphicsDevice.Viewport.Width, this.graphicsDevice.Viewport.Height, 0, -1, 1);
break;
}
}
#else
GL11.Ortho(0, this.graphicsDevice.Viewport.Width, this.graphicsDevice.Viewport.Height, 0, -1, 1);
#endif
// Enable Scissor Tests if necessary
if (this.graphicsDevice.RasterizerState.ScissorTestEnable)
{
GL11.Enable(ALL11.ScissorTest);
}
GL11.MatrixMode(ALL11.Modelview);
var client = Game.Instance.Window.ClientBounds;
GL11.Viewport(client.X, client.Y, client.Width, client.Height);
// Enable Scissor Tests if necessary
if (this.graphicsDevice.RasterizerState.ScissorTestEnable)
{
GL11.Scissor(this.graphicsDevice.ScissorRectangle.X, this.graphicsDevice.ScissorRectangle.Y, this.graphicsDevice.ScissorRectangle.Width, this.graphicsDevice.ScissorRectangle.Height);
}
GL11.LoadMatrix(ref _matrix.M11);
// Initialize OpenGL states (ideally move this to initialize somewhere else)
GL11.Disable(ALL11.DepthTest);
GL11.TexEnv(ALL11.TextureEnv, ALL11.TextureEnvMode, (int)ALL11.SrcAlpha);
GL11.Enable(ALL11.Texture2D);
GL11.EnableClientState(ALL11.VertexArray);
GL11.EnableClientState(ALL11.ColorArray);
GL11.EnableClientState(ALL11.TextureCoordArray);
// Enable Culling for better performance
GL11.Enable(ALL11.CullFace);
GL11.FrontFace(ALL11.Cw);
GL11.Color4(1.0f, 1.0f, 1.0f, 1.0f);
_batcher.DrawBatchGL11(_sortMode, _samplerState);
if (this.graphicsDevice.RasterizerState.ScissorTestEnable)
{
GL11.Disable(ALL11.ScissorTest);
}
}