public void Dispose()
{
GC.SuppressFinalize(this);
if (frontBuffer != null)
{
frontBuffer.Dispose();
frontBuffer = null;
}
if (FrameBuffer != null)
{
FrameBuffer.Dispose();
FrameBuffer = null;
}
if (Rasterizer != null)
{
Rasterizer.Dispose();
Rasterizer = null;
}
if (ShaderData != null)
{
ShaderData.Dispose();
ShaderData = null;
}
if (ShaderMgr != null)
{
ShaderMgr.Dispose();
ShaderMgr = null;
}
Shader = null;
UsingSubShader = null;
UsingPass = null;
}
public Buffer_Stencil StencilBuffer; // optional
public _Attachment(FrameBuffer fbo, bool createDefaultBuff = true)
{
this.fbo = fbo;
if (createDefaultBuff)
{
// required
ColorBuffer = new Buffer_Color[MAX_COLOR_BUFF];
ColorBuffer[0] = new Buffer_Color(fbo.W, fbo.H);
// required
DepthBuffer = new Buffer_Depth(fbo.W, fbo.H);
}
}
public Buffer_Color SwapBuffer()
{
#if DOUBLE_BUFF
if (bufferDirty)
{
bufferDirty = false;
var t = FrameBuffer.Attachment.ColorBuffer[0];
FrameBuffer.Attachment.ColorBuffer[0] = frontBuffer;
frontBuffer = t;
}
return(frontBuffer);
#else
return(FrameBuffer.Attachment.ColorBuffer[0]);
#endif
}
public void Set(Bitmap bmp)
{
Width = bmp.Width;
Height = bmp.Height;
ColorBuffer = new Buffer_Color(Width, Height);
var bmd = bmp.LockBits(new Rectangle(0, 0, Width, Height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
var ptr = bmd.Scan0;
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
var offset = (x + y * Width) * 4;
var b = Marshal.ReadByte(ptr, offset) / 255f;
var g = Marshal.ReadByte(ptr, offset + 1) / 255f;
var r = Marshal.ReadByte(ptr, offset + 2) / 255f;
var a = Marshal.ReadByte(ptr, offset + 3) / 255f;
ColorBuffer[x, y] = Vector4.Get(r, g, b, a);
}
}
bmp.UnlockBits(bmd);
}
} // 当前输出的画布的像素单精度浮点数个数
public Renderer(int bufferW = 512, int bufferH = 512, PixelFormat outPixelFormat = PixelFormat.Format24bppRgb)
{
this.BackBufferWidth = bufferW;
this.BackBufferHeight = bufferH;
this.OutPxielFormat = outPixelFormat;
this.OutPixelFormatSize = GetDevicePixelSize(outPixelFormat);
this.defaultFrameBuffer = new FrameBuffer(bufferW, bufferH);
this.FrameBuffer = this.defaultFrameBuffer; // using default buffer
this.frontBuffer = new Buffer_Color(bufferW, bufferH);
State = new RendererState(this);
GlobalState = new GlobalRenderSstate();
Rasterizer = new Rasterizer(this);
ShaderData = new ShaderData(1);
ShaderMgr = new ShaderLoadMgr(this);
if (Instance == null)
{
Instance = this;
}
}
private void FullScreenBlurHandle()
{
if (!GlobalState.fullscreen_blur)
{
return;
}
var w = BackBufferWidth;
var h = BackBufferHeight;
var backbuffer = FrameBuffer.Attachment.ColorBuffer[0];
if (blur_src_buffer == null ||
blur_src_buffer.Len != w * h)
{
blur_src_buffer = new Buffer_Color(w, h);
}
backbuffer.CopyTo(blur_src_buffer);
var sampleOffset = new int[]
{ //x, y
// 1
-1, 0,
1, 0,
0, 1,
0, -1,
-1, -1,
1, -1,
-1, 1,
1, 1,
};
var sampleCount = sampleOffset.Length;
var half_sampleCount = sampleCount / 2;
var maxOX = w - 1;
var maxOY = h - 1;
var resampleCount = GlobalState.fullscreen_blur_resample_count;
for (int x = 0; x < w; x++)
{
for (int y = 0; y < h; y++)
{
var srcPosColor = backbuffer.Get(x, y);
for (int rs = 0; rs < resampleCount; rs++)
{
for (int i = 0; i < sampleCount; i += 2)
{
var ox = sampleOffset[i] * (rs + 1) + x;
var oy = sampleOffset[i + 1] * (rs + 1) + y;
if (ox < 0)
{
ox = 0;
}
if (ox > maxOX)
{
ox = maxOX;
}
if (oy < 0)
{
oy = 0;
}
if (oy > maxOY)
{
oy = maxOY;
}
srcPosColor += blur_src_buffer[ox, oy];
}
}
srcPosColor /= half_sampleCount * resampleCount + 1;
FrameBuffer.WriteColor(0, x, y, srcPosColor, ColorMask.RGBA);
}
}
}
private void MSAAHandle()
{
var w = BackBufferWidth;
var h = BackBufferHeight;
var backbuffer = FrameBuffer.Attachment.ColorBuffer[0];
if (AA_src_buffer == null ||
AA_src_buffer.Len != w * h)
{
AA_src_buffer = new Buffer_Color(w, h);
}
backbuffer.CopyTo(AA_src_buffer);
var sampleOffset = new int[]
{ //x, y
// 1
-1, 0,
1, 0,
//0,1,
//0,-1,
//-1, -1,
//1, -1,
//-1, 1,
//1, 1,
};
var sampleCount = sampleOffset.Length;
var half_sampleCount = sampleCount / 2;
var maxOX = w - 1;
var maxOY = h - 1;
var resampleCount = GlobalState.aa_resample_count;
for (int i = 0; i < AA_edge_count; i += 2)
{
var x = AA_edgePosList[i];
var y = AA_edgePosList[i + 1];
var srcPosColor = backbuffer.Get(x, y);
for (int rs = 0; rs < resampleCount; rs++)
{
for (int j = 0; j < sampleCount; j += 2)
{
var ox = sampleOffset[j] * (rs + 1) + x;
var oy = sampleOffset[j + 1] * (rs + 1) + y;
if (ox < 0)
{
ox = 0;
}
if (ox > maxOX)
{
ox = maxOX;
}
if (oy < 0)
{
oy = 0;
}
if (oy > maxOY)
{
oy = maxOY;
}
srcPosColor += AA_src_buffer[ox, oy];
}
}
srcPosColor /= half_sampleCount * resampleCount + 1;
FrameBuffer.WriteColor(0, x, y, srcPosColor, ColorMask.RGBA);
}
}