fold params into StageRec

pre-CL before trying to add a hint-rect field to allow shaders to "optimize"
their stages for a given restriction in device space
- e.g. if the shader's intrinsic domain is contained, it won't need to tile/clamp


Bug: skia:
Change-Id: Ia2da557691da25f31e4b9e3f53c3bc6709b89083
Reviewed-on: https://skia-review.googlesource.com/40224
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Reed <reed@google.com>

1 files changed, 4 insertions, 6 deletions

diff --git a/src/shaders/SkPictureShader.cpp b/src/shaders/SkPictureShader.cpp
index 16f57675fc..00985a71d4 100644
--- a/src/shaders/SkPictureShader.cpp
+++ b/src/shaders/SkPictureShader.cpp
@@ -296,13 +296,11 @@ bool SkPictureShader::onIsRasterPipelineOnly(const SkMatrix& ctm) const {
                                                fTmx, fTmy, this->getLocalMatrix());
 }
 
-bool SkPictureShader::onAppendStages(SkRasterPipeline* p, SkColorSpace* cs, SkArenaAlloc* alloc,
-                                     const SkMatrix& ctm, const SkPaint& paint,
-                                     const SkMatrix* localMatrix) const {
+bool SkPictureShader::onAppendStages(const StageRec& rec) const {
     // Keep bitmapShader alive by using alloc instead of stack memory
-    auto& bitmapShader = *alloc->make<sk_sp<SkShader>>();
-    bitmapShader = this->refBitmapShader(ctm, localMatrix, cs);
-    return bitmapShader && as_SB(bitmapShader)->appendStages(p, cs, alloc, ctm, paint);
+    auto& bitmapShader = *rec.fAlloc->make<sk_sp<SkShader>>();
+    bitmapShader = this->refBitmapShader(rec.fCTM, rec.fLocalM, rec.fDstCS);
+    return bitmapShader && as_SB(bitmapShader)->appendStages(rec);
 }
 
 /////////////////////////////////////////////////////////////////////////////////////////