public override void Render(RenderContext context, GaussianBlur setting)
{
var cmd = context.m_command;
cmd.BeginSample("GaussianBlur");
//downsample
float scale = 1.0f / (1 << setting.m_down_ex);
int blurRT1 = RunTimeHelper.GetTemporaryRTID();
context.GetScreenScaleTemporaryRT(blurRT1, scale);
cmd.PostBlitFullScreen(context.m_source, blurRT1, setting.m_mat, (int)PassIndex.DS);
int blurRT2 = RunTimeHelper.GetTemporaryRTID();
context.GetScreenScaleTemporaryRT(blurRT2, scale);
float blurScale = setting.m_blur_radius * scale;
cmd.SetGlobalFloat(ID_BlurScaleValue, blurScale);
for (int i = 0; i < setting.m_blur_times; ++i)
{
cmd.PostBlitFullScreen(blurRT1, blurRT2, setting.m_mat, (int)PassIndex.VBlur);
cmd.PostBlitFullScreen(blurRT2, blurRT1, setting.m_mat, (int)PassIndex.HBlur);
}
cmd.PostBlitFullScreen(blurRT1, context.m_target);
cmd.ReleaseTemporaryRT(blurRT1);
cmd.ReleaseTemporaryRT(blurRT2);
cmd.EndSample("GaussianBlur");
}
private void OnPreCull()
{
RunTimeHelper.ClearTemporaryRTID();
SetContext();
RenderEffectPoint(EffectPoint.BeforeTransparent);
RenderEffectPoint(EffectPoint.BeforeFinal);
}
private void RenderEffectPoint(EffectPoint effectPoint)
{
List <EffectBaseSettingWrap> list = null;
if (m_activeEffectsDic.TryGetValue(effectPoint, out list) && list.Count > 0)
{
SetContextCommandBuffer(effectPoint);
m_context.m_command.BeginSample(string.Format("PostProcess_{0}", effectPoint));
var cameraTarget = new RenderTargetIdentifier(BuiltinRenderTextureType.CameraTarget);
int tmpSRT = -1;
tmpSRT = RunTimeHelper.GetTemporaryRTID();
m_context.m_source = tmpSRT;
m_context.GetFullscreenTemporaryRT(tmpSRT, RenderTextureFormat.Default, FilterMode.Bilinear);
//拷贝屏幕到source
m_context.m_command.PostBlit(cameraTarget, tmpSRT);
int tmpTRT = -1;
if (list.Count > 1)
{
tmpTRT = RunTimeHelper.GetTemporaryRTID();
m_context.m_target = tmpTRT;
m_context.GetFullscreenTemporaryRT(tmpTRT, RenderTextureFormat.ARGB32, FilterMode.Bilinear);
}
else
{
m_context.m_target = cameraTarget;
}
for (int i = 0; i < list.Count; ++i)
{
var setting = list[i];
if (m_activeRendererDic.ContainsKey(setting.m_rendererType))
{
m_activeRendererDic[setting.m_rendererType].BaseRender(m_context, setting.m_setting);
}
//switch
if (i < list.Count - 1)
{
var tmp = m_context.m_target;
m_context.m_target = m_context.m_source;
m_context.m_source = tmp;
}
}
if (tmpSRT > -1)
{
m_context.m_command.ReleaseTemporaryRT(tmpSRT);
}
if (tmpTRT > -1)
{
m_context.m_command.ReleaseTemporaryRT(tmpTRT);
}
m_context.m_command.EndSample(string.Format("PostProcess_{0}", effectPoint));
}
}
public override void Render(RenderContext context, Bloom setting)
{
var cmd = context.m_command;
cmd.BeginSample("Bloom");
cmd.SetGlobalFloat(ID_Threthold, setting.m_threthold);
int w;
int h;
int lastRes = -1;
int temp1 = RunTimeHelper.GetTemporaryRTID();
int temp2 = RunTimeHelper.GetTemporaryRTID();
for (int i = 4; i > 1; i--)
{
int scale = 1 << i;
w = context.m_width >> i;
h = context.m_height >> i;
context.GetFullscreenTemporaryRT(temp1, RenderTextureFormat.Default, FilterMode.Bilinear, RenderTextureReadWrite.Default, 0, w, h);
context.GetFullscreenTemporaryRT(temp2, RenderTextureFormat.Default, FilterMode.Bilinear, RenderTextureReadWrite.Default, 0, w, h);
cmd.PostBlitFullScreen(context.m_source, temp1, setting.m_mat, (int)EBloomPass.DSample);
cmd.SetGlobalFloat(ID_BlurScaleValue, setting.m_blur_radius / scale);
cmd.PostBlitFullScreen(temp1, temp2, setting.m_mat, (int)EBloomPass.VBlur);
cmd.PostBlitFullScreen(temp2, temp1, setting.m_mat, (int)EBloomPass.HBlur);
if (lastRes > 0)
{
cmd.SetGlobalTexture(ID_BloomBlur, temp1);
cmd.PostBlitFullScreen(lastRes, temp2, setting.m_mat, (int)EBloomPass.Combined);
cmd.ReleaseTemporaryRT(temp1);
cmd.ReleaseTemporaryRT(lastRes);
lastRes = temp2;
}
else
{
cmd.ReleaseTemporaryRT(temp2);
lastRes = temp1;
}
}
cmd.SetGlobalFloat(ID_Strength, setting.m_Strength);
cmd.SetGlobalTexture(ID_BloomBlur, lastRes);
cmd.PostBlitFullScreen(context.m_source, context.m_target, setting.m_mat, (int)EBloomPass.BloomCombined);
cmd.ReleaseTemporaryRT(lastRes);
cmd.EndSample("Bloom");
}