/// <summary>
/// 见接口
/// </summary>
/// <param name="renderer"></param>
/// <param name="screenTarget"></param>
public void RenderFullScene(ISceneRenderer renderer, RenderTarget screenTarget, RenderMode mode)
{
Microsoft.Xna.Framework.Input.KeyboardState ks = Microsoft.Xna.Framework.Input.Keyboard.GetState();
if (ks.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.C) &&
lastState.IsKeyUp(Microsoft.Xna.Framework.Input.Keys.C))
{
testMode++;
if (testMode > TestMode.Blurred)
{
testMode = TestMode.Final;
}
}
lastState = ks;
if (testMode == TestMode.Original)
{
renderer.RenderScene(screenTarget, RenderMode.Final);
return;
}
if (testMode == TestMode.Normal)
{
renderer.RenderScene(screenTarget, RenderMode.DeferredNormal);
return;
}
renderer.RenderScene(nrmDepthBuffer, RenderMode.DeferredNormal);
renderer.RenderScene(colorBuffer, RenderMode.Final);
Viewport vp = renderSys.Viewport;
ShaderSamplerState sampler1;
sampler1.AddressU = TextureAddressMode.Clamp;
sampler1.AddressV = TextureAddressMode.Clamp;
sampler1.AddressW = TextureAddressMode.Clamp;
sampler1.BorderColor = ColorValue.Transparent;
sampler1.MagFilter = TextureFilter.Point;
sampler1.MaxAnisotropy = 0;
sampler1.MaxMipLevel = 0;
sampler1.MinFilter = TextureFilter.Point;
sampler1.MipFilter = TextureFilter.None;
sampler1.MipMapLODBias = 0;
ShaderSamplerState sampler2 = sampler1;
sampler2.MagFilter = TextureFilter.Linear;
sampler2.MinFilter = TextureFilter.Linear;
#region 边缘合成
renderSys.SetRenderTarget(0, testMode == TestMode.Edge ? screenTarget : edgeResultBuffer);
edgeEff.Begin();
edgeEff.SetSamplerStateDirect(0, ref sampler1);
edgeEff.SetSamplerStateDirect(1, ref sampler1);
edgeEff.SetTextureDirect(0, nrmDepthBuffer.GetColorBufferTexture());
edgeEff.SetTextureDirect(1, testMode == TestMode.Edge ? whitePixel : colorBuffer.GetColorBufferTexture());
Vector2 nrmBufSize = new Vector2(vp.Width, vp.Height);
edgeEff.SetValue("normalBufferSize", ref nrmBufSize);
DrawBigQuad();
edgeEff.End();
#endregion
if (testMode == TestMode.Edge)
{
return;
}
if (testMode == TestMode.Depth)
{
renderSys.SetRenderTarget(0, screenTarget);
depthViewEff.Begin();
depthViewEff.SetSamplerStateDirect(0, ref sampler1);
depthViewEff.SetTextureDirect(0, nrmDepthBuffer.GetColorBufferTexture());
DrawBigQuad();
depthViewEff.End();
return;
}
#region 高斯X
renderSys.SetRenderTarget(0, blurredRt1);
gaussBlur.Begin();
gaussBlur.SetSamplerStateDirect(0, ref sampler1);
gaussBlur.SetTextureDirect(0, edgeResultBuffer.GetColorBufferTexture());
for (int i = 0; i < SampleCount; i++)
{
gaussBlur.SetValueDirect(i, ref guassFilter.SampleOffsetsX[i]);
gaussBlur.SetValueDirect(i + 15, guassFilter.SampleWeights[i]);
}
DrawSmallQuad();
gaussBlur.End();
#endregion
#region 高斯Y
renderSys.SetRenderTarget(0, testMode == TestMode.Blurred ? screenTarget : blurredRt2);
gaussBlur.Begin();
gaussBlur.SetSamplerStateDirect(0, ref sampler1);
gaussBlur.SetTextureDirect(0, blurredRt1.GetColorBufferTexture());
for (int i = 0; i < SampleCount; i++)
{
gaussBlur.SetValueDirect(i, ref guassFilter.SampleOffsetsY[i]);
gaussBlur.SetValueDirect(i + 15, guassFilter.SampleWeights[i]);
}
if (testMode == TestMode.Blurred)
{
DrawBigQuad();
}
else
{
DrawSmallQuad();
}
gaussBlur.End();
#endregion
if (testMode == TestMode.Blurred)
{
return;
}
#region DOF合成
renderSys.SetRenderTarget(0, screenTarget);
compEff.Begin();
compEff.SetSamplerStateDirect(0, ref sampler1);
compEff.SetSamplerStateDirect(1, ref sampler2);
compEff.SetSamplerStateDirect(2, ref sampler2);
compEff.SetTextureDirect(0, edgeResultBuffer.GetColorBufferTexture());
compEff.SetTextureDirect(1, blurredRt2.GetColorBufferTexture());
compEff.SetTextureDirect(2, nrmDepthBuffer.GetColorBufferTexture());
//if (camera != null)
//{
// float focNear = (camera.Position.Length() - PlanetEarth.PlanetRadius) / camera.FarPlane;
// compEff.SetValue("FocusNear", focNear);
//}
//else
//{
// compEff.SetValue("FocusNear", 0.3f);
//}
renderSys.RenderStates.AlphaBlendEnable = true;
renderSys.RenderStates.SourceBlend = Blend.SourceAlpha;
renderSys.RenderStates.DestinationBlend = Blend.InverseSourceAlpha;
renderSys.RenderStates.BlendOperation = BlendFunction.Add;
DrawBigQuad();
compEff.End();
#endregion
}