Split drawing functionality out of GrContext and into new GrDrawContext

gm/texdata.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // This test only works with the GPU backend.
 
 #include "gm.h"
 
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
+#include "GrDrawContext.h"
 #include "SkColorPriv.h"
 #include "effects/GrPorterDuffXferProcessor.h"
 #include "effects/GrSimpleTextureEffect.h"
 
 namespace skiagm {
 
 static const int S = 200;
 
 class TexDataGM : public GM {
 public:
     TexDataGM() {
         this->setBGColor(0xff000000);
     }
 
 protected:
     SkString onShortName() override {
         return SkString("texdata");
     }
 
     SkISize onISize() override {
         return SkISize::Make(2*S, 2*S);
     }
 
     void onDraw(SkCanvas* canvas) override {
         GrRenderTarget* target = canvas->internal_private_accessTopLayerRenderTarget();
         GrContext* ctx = canvas->getGrContext();
-        if (ctx && target) {
+        GrDrawContext* drawContext = ctx ? ctx->drawContext() : NULL;
+        if (drawContext && target) {
             SkAutoTArray<SkPMColor> gTextureData((2 * S) * (2 * S));
             static const int stride = 2 * S;
             static const SkPMColor gray  = SkPackARGB32(0x40, 0x40, 0x40, 0x40);
             static const SkPMColor white = SkPackARGB32(0xff, 0xff, 0xff, 0xff);
             static const SkPMColor red   = SkPackARGB32(0x80, 0x80, 0x00, 0x00);
             static const SkPMColor blue  = SkPackARGB32(0x80, 0x00, 0x00, 0x80);
             static const SkPMColor green = SkPackARGB32(0x80, 0x00, 0x80, 0x00);
             static const SkPMColor black = SkPackARGB32(0x00, 0x00, 0x00, 0x00);
             for (int i = 0; i < 2; ++i) {
                 int offset = 0;
@@ skipping 52 matching lines @@
                                  S * SK_Scalar1,
                                  S * SK_Scalar1);
                 } else {
                     vm.reset();
                 }
                 SkMatrix tm;
                 tm = vm;
                 tm.postIDiv(2*S, 2*S);
                 paint.addColorTextureProcessor(texture, tm);
 
-                ctx->drawRect(target, clip, paint, vm, SkRect::MakeWH(2*S, 2*S));
+                drawContext->drawRect(target, clip, paint, vm, SkRect::MakeWH(2*S, 2*S));
 
                 // now update the lower right of the texture in first pass
                 // or upper right in second pass
                 offset = 0;
                 for (int y = 0; y < S; ++y) {
                     for (int x = 0; x < S; ++x) {
                         gTextureData[offset + y * stride + x] =
                             ((x + y) % 2) ? (i ? green : red) : blue;
                     }
                 }
                 texture->writePixels(S, (i ? 0 : S), S, S,
                                      texture->config(), gTextureData.get(),
                                      4 * stride);
-                ctx->drawRect(target, clip, paint, vm, SkRect::MakeWH(2*S, 2*S));
+                drawContext->drawRect(target, clip, paint, vm, SkRect::MakeWH(2*S, 2*S));
             }
         } else {
             this->drawGpuOnlyMessage(canvas);
         }
     }
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new TexDataGM; }
 static GMRegistry reg(MyFactory);
 
 }
 
 #endif