Revert of Make stencils be attachable to render targets created via…

tests/SurfaceTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <functional>
 #include "SkCanvas.h"
 #include "SkData.h"
@@ skipping 879 matching lines @@
         desc.fHeight = kHeight;
         desc.fFlags = kRenderTarget_GrBackendTextureFlag;
         desc.fTextureHandle = textureObject;
 
         auto surface = SkSurface::MakeFromBackendTexture(context, desc, nullptr);
         test_surface_clear(reporter, surface, grSurfaceGetter, 0xABABABAB);
         context->getGpu()->deleteTestingOnlyBackendTexture(textureObject);
     }
 }
 #endif
-
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceWrappedTextureAsRenderTarget, reporter, ctxInfo) {
-    GrGpu* gpu = ctxInfo.fGrContext->getGpu();
-    if (!gpu) {
-        return;
-    }
-    // Validate that we can draw paths to a canvas of a surface created with
-    // SkSurface::MakeFromBackendTextureAsRenderTarget. The code intends to enforce the use of
-    // stencil buffer. The original bug prevented the creation of stencil buffer, causing an assert
-    // while drawing paths.
-
-    static const int kW = 100;
-    static const int kH = 100;
-    static const uint32_t kOrigColor = SK_ColorRED;
-    const SkColor kShapeColor = SK_ColorGREEN;
-
-    SkPath clipPath;
-    clipPath.quadTo(SkIntToScalar(kW), SkIntToScalar(0), SkIntToScalar(kW), SkIntToScalar(kH));
-    clipPath.lineTo(SkIntToScalar(0), SkIntToScalar(kH));
-    clipPath.lineTo(SkIntToScalar(0), SkIntToScalar(0));
-    clipPath.close();
-    SkPath path;
-    path.quadTo(SkIntToScalar(0), SkIntToScalar(kH), SkIntToScalar(kW), SkIntToScalar(kH));
-    path.lineTo(SkIntToScalar(kW), SkIntToScalar(0));
-    path.lineTo(SkIntToScalar(0), SkIntToScalar(0));
-    path.close();
-    SkPaint paint;
-    paint.setAntiAlias(true);
-    paint.setColor(kShapeColor);
-
-    SkImageInfo bitmapInfo = SkImageInfo::Make(kW, kH, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
-    for (int sampleCnt : {0, 4, 8}) {
-        SkBitmap bitmap;
-        bitmap.allocPixels(bitmapInfo);
-        bitmap.eraseColor(kOrigColor);
-        GrBackendObject texHandle = gpu->createTestingOnlyBackendTexture(bitmap.getPixels(), kW, kH,
-                                                                         kRGBA_8888_GrPixelConfig);
-
-        GrBackendTextureDesc wrappedDesc;
-        wrappedDesc.fConfig = kRGBA_8888_GrPixelConfig;
-        wrappedDesc.fWidth = kW;
-        wrappedDesc.fHeight = kH;
-        wrappedDesc.fOrigin = kBottomLeft_GrSurfaceOrigin;
-        wrappedDesc.fFlags = kRenderTarget_GrBackendTextureFlag;
-        wrappedDesc.fTextureHandle = texHandle;
-        wrappedDesc.fSampleCnt = sampleCnt;
-
-        sk_sp<SkSurface> surface(
-            SkSurface::MakeFromBackendTextureAsRenderTarget(ctxInfo.fGrContext, wrappedDesc,
-                                                            nullptr));
-        if (!surface) {
-            continue;
-        }
-
-        surface->getCanvas()->clipPath(clipPath, SkRegion::kIntersect_Op, true);
-        surface->getCanvas()->drawPath(path, paint);
-        SkAssertResult(surface->readPixels(bitmapInfo, bitmap.getPixels(),
-                                           bitmap.rowBytes(), 0, 0));
-        // Ensure that the shape color ends up to the surface.
-        REPORTER_ASSERT(reporter, kShapeColor == bitmap.getColor(kW / 2, kH / 2));
-        SkColor backgroundColor = bitmap.getColor(kW - 1, 0);
-        if (!sampleCnt) {
-            // Ensure that the original texture color is preserved in pixels that aren't rendered to
-            // via the surface.
-            REPORTER_ASSERT(reporter, kOrigColor == backgroundColor);
-        }
-        gpu->deleteTestingOnlyBackendTexture(texHandle);
-    }
-}
-#endif