commit 0e1853c89615d14d0d03c87c7e0c604e5285cc54
author egdaniel <egdaniel@google.com> Thu Mar 17 11:35:45 2016 -0700
committer Commit bot <commit-bot@chromium.org> Thu Mar 17 11:35:45 2016 -0700
tree e0ffc4b77a62d396b548f6e45fc8b335d3e6ecc1
parent 852f15da7ceb53cfb49b9f728baa6dbc53b27694

Update how we send draws to gpu backend to reduce state setting.

The main change here is that we pull primitive type off of the vertices, we set the gpu state on gpu once per pipeline/prim proc draw batch, and we create the ProgramDescriptor only for the Cache/ProgramBuilder.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1806983002

Review URL: https://codereview.chromium.org/1806983002

src/gpu/GrGpu.cpp

diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index 512ce9b..f3f00f1 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -12,6 +12,7 @@
 #include "GrContext.h"
 #include "GrGpuResourcePriv.h"
 #include "GrIndexBuffer.h"
+#include "GrMesh.h"
 #include "GrPathRendering.h"
 #include "GrPipeline.h"
 #include "GrResourceCache.h"
@@ -21,10 +22,9 @@
 #include "GrSurfacePriv.h"
 #include "GrTransferBuffer.h"
 #include "GrVertexBuffer.h"
-#include "GrVertices.h"
 #include "SkTypes.h"
 
-GrVertices& GrVertices::operator =(const GrVertices& di) {
+GrMesh& GrMesh::operator =(const GrMesh& di) {
     fPrimitiveType  = di.fPrimitiveType;
     fStartVertex    = di.fStartVertex;
     fStartIndex     = di.fStartIndex;
@@ -492,17 +492,12 @@
 
 ////////////////////////////////////////////////////////////////////////////////
 
-void GrGpu::draw(const DrawArgs& args, const GrVertices& vertices) {
+void GrGpu::draw(const GrPipeline& pipeline,
+                 const GrPrimitiveProcessor& primProc,
+                 const GrMesh* meshes,
+                 int meshCount) {
     this->handleDirtyContext();
-    if (GrXferBarrierType barrierType = args.fPipeline->xferBarrierType(*this->caps())) {
-        this->xferBarrier(args.fPipeline->getRenderTarget(), barrierType);
-    }
 
-    GrVertices::Iterator iter;
-    const GrNonInstancedVertices* verts = iter.init(vertices);
-    do {
-        this->onDraw(args, *verts);
-        fStats.incNumDraws();
-    } while ((verts = iter.next()));
+    this->onDraw(pipeline, primProc, meshes, meshCount);
 }