protected override IntPtr CompileGeometry(LibRocketNet.Vertex* vertices, int num_vertices, int* indices, int num_indices, IntPtr texture)
{
if (!UseVBO) return IntPtr.Zero;
var geom = new Geometry();
if (texture != IntPtr.Zero) geom.Texture = _textures[texture];
var vbuf = new Vertex2CT[num_vertices];
var ibuf = new int[num_indices];
CopyVertices(vertices, vbuf, num_vertices);
Marshal.Copy((IntPtr)indices, ibuf, 0, num_indices);
geom.Vertices = new VertexBuffer(GraphicsDevice, Vertex2CT.VertexDeclarationStatic, num_vertices, BufferUsage.None);
geom.Vertices.SetData(vbuf);
geom.Indices = new IndexBuffer(GraphicsDevice, IndexElementSize.ThirtyTwoBits, num_indices, BufferUsage.None);
geom.Indices.SetData(ibuf);
var handle = (IntPtr)geom.GetHashCode();
_geometries[handle] = geom;
return handle;
}
protected override bool GenerateTexture(ref IntPtr texture_handle, byte* source, LibRocketNet.Vector2i source_dimensions)
{
var tex = new Texture2D(GraphicsDevice, source_dimensions.X, source_dimensions.Y, false, SurfaceFormat.Color);
int length = 4 * (int)source_dimensions.X * (int)source_dimensions.Y;
var data = new byte[length];
//MemCopy((IntPtr)source, data, length);
Marshal.Copy((IntPtr)source, data, 0, length);
tex.SetData(data);
texture_handle = (IntPtr)tex.GetHashCode();
_textures[texture_handle] = tex;
tex.Tag = LibRocketTextureTag;
return true;
}
protected override void RenderGeometry(LibRocketNet.Vertex* vertices, int num_vertices, int* indices, int num_indices, IntPtr texture, LibRocketNet.Vector2f translation)
{
var rstate = GraphicsDevice.RasterizerState;
var blendState = BlendState.NonPremultiplied;
GraphicsDevice.SamplerStates[0] = SamplerState.PointClamp;
if (_vertices.Length < num_vertices) Array.Resize(ref _vertices, num_vertices);
if (_indices.Length < num_indices) Array.Resize(ref _indices, num_indices);
CopyVertices(vertices, _vertices, num_vertices);
Marshal.Copy((IntPtr)indices, _indices, 0, num_indices);
_effect.World = Matrix.CreateTranslation(translation.X, translation.Y, 0);
if (texture != IntPtr.Zero)
{
_effect.TextureEnabled = true;
_effect.Texture = _textures[texture];
if (_effect.Texture.Tag == LibRocketTextureTag)
blendState = BlendState.NonPremultiplied;
else
blendState = BlendState.AlphaBlend;
}
else
{
_effect.TextureEnabled = false;
_effect.Texture = null;
}
GraphicsDevice.BlendState = blendState;
GraphicsDevice.RasterizerState = _scissor ? _rStateScissor : _rStateNoScissor;
foreach (var pass in _effect.CurrentTechnique.Passes)
{
pass.Apply();
GraphicsDevice.DrawUserIndexedPrimitives(
PrimitiveType.TriangleList,
_vertices,
0,
num_vertices,
_indices,
0,
num_indices / 3,
Vertex2CT.VertexDeclarationStatic);
}
GraphicsDevice.RasterizerState = rstate;
}
protected override void RenderCompiledGeometry(IntPtr geometry, LibRocketNet.Vector2f translation)
{
if (!UseVBO) return;
var rstate = GraphicsDevice.RasterizerState;
var blendState = BlendState.NonPremultiplied;
GraphicsDevice.SamplerStates[0] = SamplerState.PointClamp;
var geom = _geometries[geometry];
if (geom.Texture != null)
{
_effect.TextureEnabled = true;
_effect.Texture = geom.Texture;
if (_effect.Texture.Tag == LibRocketTextureTag)
blendState = BlendState.NonPremultiplied;
else
blendState = BlendState.AlphaBlend;
}
else
{
_effect.TextureEnabled = false;
_effect.Texture = null;
}
_effect.World = Matrix.CreateTranslation(translation.X, translation.Y, 0);
GraphicsDevice.SetVertexBuffer(geom.Vertices);
GraphicsDevice.Indices = geom.Indices;
GraphicsDevice.BlendState = blendState;
GraphicsDevice.RasterizerState = _scissor ? _rStateScissor : _rStateNoScissor;
foreach (var pass in _effect.CurrentTechnique.Passes)
{
pass.Apply();
#pragma warning disable CS0618
GraphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, geom.Vertices.VertexCount, 0, geom.Indices.IndexCount);
#pragma warning restore CS0618
}
GraphicsDevice.RasterizerState = rstate;
}
protected override bool LoadTexture(ref IntPtr texture_handle, ref LibRocketNet.Vector2i texture_dimensions, string source)
{
const string ContentTag = "content:";
try
{
Texture2D tex;
if (source.StartsWith(ContentTag))
{
source = source.Substring(ContentTag.Length);
tex = _content.Load<Texture2D>(source);
}
else
{
tex = _content.Load<Texture2D>(source);
tex.Tag = LibRocketTextureTag;
}
texture_dimensions = new LibRocketNet.Vector2i(tex.Width, tex.Height);
texture_handle = (IntPtr)tex.GetHashCode();
_textures[texture_handle] = tex;
}
catch (Exception ex)
{
Console.WriteLine("GUI: Error loading texture: {0}", ex.Message);
texture_handle = IntPtr.Zero;
return false;
}
return true;
}
protected override bool LogMessage(LibRocketNet.LogType type, string message)
{
Console.WriteLine("GUI: {0}", message);
return true;
}
