protected virtual void CreateBufferIfNeeded()
{
if (buffer == null || buffer.Id == 0)
{
buffer = new GLTextuer2D((GLInterfaces.PixelInternalFormat)((int)internalPixelType));
buffer.Bind();
buffer.SetData(IntPtr.Zero, GLInterfaces.PixelFormat.Rgba, width, height);
buffer.Linear();
buffer.Repeat();
if (internalPixelType == GraphPixelType.Luminance16F || internalPixelType == GraphPixelType.Luminance32F)
{
buffer.SetSwizzleLuminance();
}
GLTextuer2D.Unbind();
}
}
protected override void CreateBufferIfNeeded()
{
base.CreateBufferIfNeeded();
if (temp == null || temp.Id == 0)
{
temp = new GLTextuer2D((GLInterfaces.PixelInternalFormat)((int)internalPixelType));
temp.Bind();
temp.SetData(IntPtr.Zero, GLInterfaces.PixelFormat.Rgba, width, height);
temp.Linear();
temp.Repeat();
if (internalPixelType == GraphPixelType.Luminance16F || internalPixelType == GraphPixelType.Luminance32F)
{
temp.SetSwizzleLuminance();
}
GLTextuer2D.Unbind();
}
}
public TextNode(int w, int h, GraphPixelType p = GraphPixelType.RGBA)
{
Name = "Text";
Id = Guid.NewGuid().ToString();
tileX = tileY = 1;
width = w;
height = h;
fontSize = 32;
fontFamily = "Arial";
text = "";
fonts = FontManager.GetAvailableFonts();
position = new MVector();
rotation = 0;
scale = new MVector(1, 1);
style = FontStyle.Regular;
alignment = TextAlignment.Center;
spacing = 1;
processor = new TextProcessor();
//establish character holder texture
character = new GLTextuer2D(GLInterfaces.PixelInternalFormat.Rgba);
character.Bind();
character.Linear();
character.ClampToEdge();
GLTextuer2D.Unbind();
internalPixelType = p;
previewProcessor = new BasicImageRenderer();
Output = new NodeOutput(NodeType.Gray, this);
Inputs = new List <NodeInput>();
Outputs = new List <NodeOutput>();
Outputs.Add(Output);
}
public void Process(int width, int height, GLTextuer2D tex, GLTextuer2D source, GLTextuer2D output)
{
base.Process(width, height, tex, output);
if (Shader != null && PreShader != null)
{
GLTextuer2D temp = new GLTextuer2D(output.InternalFormat);
temp.Bind();
temp.SetData(IntPtr.Zero, PixelFormat.Rgba, width, height);
temp.Linear();
temp.Repeat();
GLTextuer2D.Unbind();
GLTextuer2D temp2 = new GLTextuer2D(output.InternalFormat);
temp2.Bind();
temp2.SetData(IntPtr.Zero, PixelFormat.Rgba, width, height);
temp2.Linear();
temp2.Repeat();
GLTextuer2D.Unbind();
GLTextuer2D temp3 = new GLTextuer2D(PixelInternalFormat.Rgba32f);
temp3.Bind();
temp3.SetData(IntPtr.Zero, PixelFormat.Rgba, width + 1, height + 1);
temp3.Nearest();
temp3.ClampToEdge();
GLTextuer2D.Unbind();
ResizeViewTo(tex, temp, tex.Width, tex.Height, width, height);
IGL.Primary.Clear((int)(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit));
if (source != null)
{
ResizeViewTo(source, temp2, source.Width, source.Height, width, height);
}
IGL.Primary.Clear((int)(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit));
tex = temp;
PreShader.Use();
output.Bind();
output.BindAsImage(0, true, true);
tex.Bind();
tex.BindAsImage(1, true, true);
temp2.Bind();
temp2.BindAsImage(2, true, true);
temp3.Bind();
temp3.BindAsImage(3, true, true);
PreShader.SetUniform("width", (float)width);
PreShader.SetUniform("height", (float)height);
PreShader.SetUniform("sourceOnly", SourceOnly);
PreShader.SetUniform("maxDistance", Distance);
//stage 1 convert temp input range
//into proper format
//for dt
PreShader.SetUniform("stage", (int)0);
IGL.Primary.DispatchCompute(width / 8, height / 8, 1);
Shader.Use();
output.Bind();
output.BindAsImage(0, true, true);
tex.Bind();
tex.BindAsImage(1, true, true);
temp2.Bind();
temp2.BindAsImage(2, true, true);
temp3.Bind();
temp3.BindAsImage(3, true, true);
Shader.SetUniform("width", (float)width);
Shader.SetUniform("height", (float)height);
Shader.SetUniform("sourceOnly", SourceOnly);
Shader.SetUniform("maxDistance", Distance);
//stage 2 run column transform
Shader.SetUniform("stage", (int)0);
IGL.Primary.DispatchCompute(width / 8, 1, 1);
//stage 3 run row transform
Shader.SetUniform("stage", (int)1);
IGL.Primary.DispatchCompute(height / 8, 1, 1);
PreShader.Use();
output.Bind();
output.BindAsImage(0, true, true);
tex.Bind();
tex.BindAsImage(1, true, true);
temp2.Bind();
temp2.BindAsImage(2, true, true);
temp3.Bind();
temp3.BindAsImage(3, true, true);
PreShader.SetUniform("width", (float)width);
PreShader.SetUniform("height", (float)height);
PreShader.SetUniform("sourceOnly", SourceOnly);
PreShader.SetUniform("maxDistance", Distance);
//stage 4 finalize with sqrt() etc
PreShader.SetUniform("stage", (int)1);
IGL.Primary.DispatchCompute(width / 8, height / 8, 1);
GLTextuer2D.UnbindAsImage(0);
GLTextuer2D.UnbindAsImage(1);
GLTextuer2D.UnbindAsImage(2);
GLTextuer2D.UnbindAsImage(3);
GLTextuer2D.Unbind();
temp.Release();
temp2.Release();
temp3.Release();
}
}