public virtual void AfterStroke_Painter(PlaytimePainter painter, BrushConfig br, StrokeVector st,
bool alphaBuffer, TextureMeta id)
{
painter.AfterStroke(st);
if (br.useMask && st.MouseUpEvent && br.randomMaskOffset)
{
br.maskOffset = new Vector2(Random.Range(0f, 1f), Random.Range(0f, 1f));
}
if (alphaBuffer)
{
var sh = br.GetBlitMode(false).ShaderForAlphaBufferBlit;
if (painter.NotUsingPreview)
{
TexMGMT.UpdateFromAlphaBuffer(id.CurrentRenderTexture(), sh);
}
else
{
TexMGMT.AlphaBufferSetDirtyBeforeRender(id, sh);
}
}
else if (!br.IsSingleBufferBrush() && !br.IsA3DBrush(painter))
{
TexMGMT.UpdateBufferSegment();
}
foreach (var p in painter.Modules)
{
p.AfterGpuStroke(br, st, this);
}
}
public void SHADER_STROKE_SEGMENT_UPDATE(BrushConfig bc, float brushAlpha, TextureMeta id, StrokeVector stroke, out bool alphaBuffer, PlaytimePainter pntr = null)
{
CheckPaintingBuffers();
var isDoubleBuffer = !id.renderTexture;
var useSingle = !isDoubleBuffer || bc.IsSingleBufferBrush();
var blitMode = bc.GetBlitMode(false);
alphaBuffer = !useSingle && bc.useAlphaBuffer && bc.GetBrushType(false).SupportsAlphaBufferPainting&& blitMode.SupportsAlphaBufferPainting;
Shader shd = null;
if (pntr)
{
foreach (var pl in CameraModuleBase.BrushPlugins)
{
var bs = useSingle ? pl.GetBrushShaderSingleBuffer(pntr) : pl.GetBrushShaderDoubleBuffer(pntr);
if (!bs)
{
continue;
}
shd = bs;
break;
}
}
if (!shd)
{
if (alphaBuffer)
{
shd = blitMode.ShaderForAlphaOutput;
AlphaBufferSetDirtyBeforeRender(id, blitMode.ShaderForAlphaBufferBlit);
}
else
{
shd = useSingle ? blitMode.ShaderForSingleBuffer : blitMode.ShaderForDoubleBuffer;
}
}
if (!useSingle && !RenderTextureBuffersManager.secondBufferUpdated)
{
RenderTextureBuffersManager.UpdateBufferTwo();
}
//if (stroke.firstStroke)
SHADER_BRUSH_UPDATE(bc, brushAlpha, id, pntr);
TargetTexture = alphaBuffer ? AlphaBuffer : id.CurrentRenderTexture();
if (isDoubleBuffer)
{
PainterShaderVariables.DESTINATION_BUFFER.GlobalValue = BackBuffer;
}
CurrentShader = shd;
}
