commit 119fb2b9505aea87900d2cf5cf3573814bcae08c
author csmartdalton <csmartdalton@google.com> Wed Feb 08 14:41:05 2017 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Wed Feb 08 21:36:55 2017 +0000
tree f4ccb6d9d02185f69e97dd1cdc657d98ff7fc901
parent 3a84615bbd195045e7dbb707fcabf623513771dc

Add a basic constructor to GrPipeline

Adds a simple constructor for when we just need to set up basic
internal rendering.

BUG=skia:

Change-Id: Ib046c62e9a759aa7d0a3345e16ccf6e6af9342ea
Reviewed-on: https://skia-review.googlesource.com/8121
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>

src/gpu/GrPipeline.cpp

diff --git a/src/gpu/GrPipeline.cpp b/src/gpu/GrPipeline.cpp
index af8529a..d0c198f 100644
--- a/src/gpu/GrPipeline.cpp
+++ b/src/gpu/GrPipeline.cpp
@@ -192,6 +192,18 @@
     }
 }
 
+GrPipeline::GrPipeline(GrRenderTarget* rt, SkBlendMode blendmode)
+    : fRenderTarget(rt)
+    , fScissorState()
+    , fWindowRectsState()
+    , fUserStencilSettings(&GrUserStencilSettings::kUnused)
+    , fDrawFace(static_cast<uint16_t>(GrDrawFace::kBoth))
+    , fFlags()
+    , fXferProcessor(GrPorterDuffXPFactory::CreateNoCoverageXP(blendmode).get())
+    , fFragmentProcessors()
+    , fNumColorProcessors(0) {
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 bool GrPipeline::AreEqual(const GrPipeline& a, const GrPipeline& b) {

src/gpu/GrPipeline.h

diff --git a/src/gpu/GrPipeline.h b/src/gpu/GrPipeline.h
index 3949a75..11de747 100644
--- a/src/gpu/GrPipeline.h
+++ b/src/gpu/GrPipeline.h
@@ -100,6 +100,12 @@
     /** Creates a pipeline into a pre-allocated buffer */
     static GrPipeline* CreateAt(void* memory, const CreateArgs&, GrPipelineOptimizations*);
 
+    /**
+     * Creates a simple pipeline with default settings and no processors. The provided blend mode
+     * must be "Porter Duff" (<= kLastCoeffMode).
+     **/
+    GrPipeline(GrRenderTarget*, SkBlendMode);
+
     /// @}
 
     ///////////////////////////////////////////////////////////////////////////

src/gpu/effects/GrPorterDuffXferProcessor.cpp

diff --git a/src/gpu/effects/GrPorterDuffXferProcessor.cpp b/src/gpu/effects/GrPorterDuffXferProcessor.cpp
index 8289561..73c6ef4 100644
--- a/src/gpu/effects/GrPorterDuffXferProcessor.cpp
+++ b/src/gpu/effects/GrPorterDuffXferProcessor.cpp
@@ -900,6 +900,11 @@
     return new PorterDuffXferProcessor(blendFormula);
 }
 
+sk_sp<GrXferProcessor> GrPorterDuffXPFactory::CreateNoCoverageXP(SkBlendMode blendmode) {
+    BlendFormula formula = get_blend_formula(false, false, false, blendmode);
+    return sk_make_sp<PorterDuffXferProcessor>(formula);
+}
+
 bool GrPorterDuffXPFactory::SrcOverWillNeedDstTexture(const GrCaps& caps,
                                                       const GrPipelineAnalysis& analysis) {
     if (caps.shaderCaps()->dstReadInShaderSupport() ||