added GrSkSLFP and converted DitherEffect to use it

Bug: skia:
Change-Id: I84b71165eab1712355f3c7669cee2d33d259f3df
Reviewed-on: https://skia-review.googlesource.com/124504
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index f987536a5c..9f6b9750bb 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -36,7 +36,9 @@
 #include "SkTaskGroup.h"
 #include "SkUnPreMultiplyPriv.h"
 #include "effects/GrConfigConversionEffect.h"
+#include "effects/GrSkSLFP.h"
 #include "text/GrTextBlobCache.h"
+#include <unordered_map>
 
 #define ASSERT_OWNED_PROXY(P) \
 SkASSERT(!(P) || !((P)->priv().peekTexture()) || (P)->priv().peekTexture()->getContext() == this)
@@ -153,6 +155,9 @@ GrContext::~GrContext() {
     if (fDrawingManager) {
         fDrawingManager->cleanup();
     }
+    if (fFPFactories != nullptr) {
+        delete fFPFactories;
+    }
 
     fTextureStripAtlasManager = nullptr;
     delete fResourceProvider;
@@ -1024,6 +1029,20 @@ sk_sp<GrRenderTargetContext> GrContextPriv::makeDeferredRenderTargetContext(
     return renderTargetContext;
 }
 
+GrSkSLFPFactory* GrContextPriv::getFPFactory(size_t index) {
+    if (!fContext->fFPFactories) {
+        return nullptr;
+    }
+    return fContext->fFPFactories->get(index);
+}
+
+void GrContextPriv::setFPFactory(size_t index, GrSkSLFPFactory* factory) {
+    if (!fContext->fFPFactories) {
+        fContext->fFPFactories = new GrSkSLFPFactoryCache();
+    }
+    fContext->fFPFactories->set(index, std::unique_ptr<GrSkSLFPFactory>(factory));
+}
+
 bool GrContextPriv::abandoned() const {
     ASSERT_SINGLE_OWNER_PRIV
     return fContext->fDrawingManager->wasAbandoned();