One signature for creating unit tests that run on premade GrContexts

tests/ReadPixelsTest.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.
  */
 
 #include "SkCanvas.h"
 #include "SkColorPriv.h"
 #include "SkMathPriv.h"
@@ skipping 369 matching lines @@
         }
     }
 }
 DEF_TEST(ReadPixels, reporter) {
     const SkImageInfo info = SkImageInfo::MakeN32Premul(DEV_W, DEV_H);
     auto surface(SkSurface::MakeRaster(info));
     // SW readback fails a premul check when reading back to an unaligned rowbytes.
     test_readpixels(reporter, surface, kLastAligned_BitmapInit);
 }
 #if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadPixels_Gpu, reporter, context) {
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadPixels_Gpu, reporter, ctxInfo) {
     for (auto& origin : {kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin}) {
         GrSurfaceDesc desc;
         desc.fFlags = kRenderTarget_GrSurfaceFlag;
         desc.fWidth = DEV_W;
         desc.fHeight = DEV_H;
         desc.fConfig = kSkia8888_GrPixelConfig;
         desc.fOrigin = origin;
         SkAutoTUnref<GrTexture> surfaceTexture(
-            context->textureProvider()->createTexture(desc, SkBudgeted::kNo));
+            ctxInfo.fGrContext->textureProvider()->createTexture(desc, SkBudgeted::kNo));
         auto surface(SkSurface::MakeRenderTargetDirect(surfaceTexture->asRenderTarget()));
         desc.fFlags = kNone_GrSurfaceFlags;
         test_readpixels(reporter, surface, kLast_BitmapInit);
     }
 }
 #endif
 
 #if SK_SUPPORT_GPU
 static void test_readpixels_texture(skiatest::Reporter* reporter, GrTexture* texture) {
     fill_src_texture(texture);
@@ skipping 25 matching lines @@
                                                        bmp.height(), dstConfig, bmp.getPixels(),
                                                        bmp.rowBytes(), flags);
                     bmp.unlockPixels();
                     check_read(reporter, bmp, srcRect.fLeft, srcRect.fTop,
                                success, true);
                 }
             }
         }
     }
 }
-DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadPixels_Texture, reporter, context) {
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadPixels_Texture, reporter, ctxInfo) {
     // On the GPU we will also try reading back from a non-renderable texture.
     for (auto& origin : {kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin}) {
         SkAutoTUnref<GrTexture> texture;
         GrSurfaceDesc desc;
         desc.fFlags = kRenderTarget_GrSurfaceFlag;
         desc.fWidth = DEV_W;
         desc.fHeight = DEV_H;
         desc.fConfig = kSkia8888_GrPixelConfig;
         desc.fOrigin = origin;
         desc.fFlags = kNone_GrSurfaceFlags;
-        texture.reset(context->textureProvider()->createTexture(desc, SkBudgeted::kNo));
+        texture.reset(ctxInfo.fGrContext->textureProvider()->createTexture(desc, SkBudgeted::kNo));
         test_readpixels_texture(reporter, texture);
     }
 }
 #endif
 /////////////////////
 #if SK_SUPPORT_GPU
 
 // make_ringed_bitmap was lifted from gm/bleed.cpp, as that GM was what showed the following
 // bug when a change was made to SkImage_Raster.cpp. It is possible that other test bitmaps
 // would also tickle https://bug.skia.org/4351 but this one is know to do it, so I've pasted the code
@@ skipping 102 matching lines @@
 /*
  *  Test two different ways to turn a subset of a bitmap into a texture
  *  - subset and then upload to a texture
  *  - upload to a texture and then subset
  *
  *  These two techniques result in the same pixels (ala readPixels)
  *  but when we draw them (rotated+scaled) we don't always get the same results.
  *
  *  https://bug.skia.org/4351
  */
-DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadPixels_Subset_Gpu, reporter, context) {
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadPixels_Subset_Gpu, reporter, ctxInfo) {
     SkBitmap bitmap;
     make_ringed_bitmap(&bitmap, 6, 6);
     const SkIRect subset = SkIRect::MakeLTRB(2, 2, 4, 4);
 
     // make two textures...
     SkBitmap bm_subset, tx_subset;
 
     // ... one from a texture-subset
-    SkAutoTUnref<GrTexture> fullTx(GrRefCachedBitmapTexture(context, bitmap,
+    SkAutoTUnref<GrTexture> fullTx(GrRefCachedBitmapTexture(ctxInfo.fGrContext, bitmap,
                                                             GrTextureParams::ClampNoFilter()));
     SkBitmap tx_full;
     GrWrapTextureInBitmap(fullTx, bitmap.width(), bitmap.height(), true, &tx_full);
     tx_full.extractSubset(&tx_subset, subset);
 
     // ... one from a bitmap-subset
     SkBitmap tmp_subset;
     bitmap.extractSubset(&tmp_subset, subset);
-    SkAutoTUnref<GrTexture> subsetTx(GrRefCachedBitmapTexture(context, tmp_subset,
+    SkAutoTUnref<GrTexture> subsetTx(GrRefCachedBitmapTexture(ctxInfo.fGrContext, tmp_subset,
                                                               GrTextureParams::ClampNoFilter()));
     GrWrapTextureInBitmap(subsetTx, tmp_subset.width(), tmp_subset.height(), true, &bm_subset);
 
     // did we get the same subset?
     compare_textures(reporter, bm_subset.getTexture(), tx_subset.getTexture());
 
     // do they draw the same?
     const SkImageInfo info = SkImageInfo::MakeN32Premul(128, 128);
-    auto surfA(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info));
-    auto surfB(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info));
+    auto surfA(SkSurface::MakeRenderTarget(ctxInfo.fGrContext, SkBudgeted::kNo, info));
+    auto surfB(SkSurface::MakeRenderTarget(ctxInfo.fGrContext, SkBudgeted::kNo, info));
 
     if (false) {
         //
         //  BUG: depending on the driver, if we calls this with various quality settings, it
         //       may fail.
         //
         SkFilterQuality quality = kLow_SkFilterQuality;
 
         SkAutoTUnref<SkData> dataA(draw_into_surface(surfA.get(), bm_subset, quality));
         SkAutoTUnref<SkData> dataB(draw_into_surface(surfB.get(), tx_subset, quality));
 
         REPORTER_ASSERT(reporter, dataA->equals(dataB));
         if (false) {
             dump_to_file("test_image_A.png", dataA);
             dump_to_file("test_image_B.png", dataB);
         }
     }
 }
 #endif