bsalomon | 473addf | 2015-10-02 07:49:05 -0700 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2015 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
| 9 | #include "Test.h" |
| 10 | // This is a GR test |
| 11 | #if SK_SUPPORT_GPU |
| 12 | #include "GrClipMaskManager.h" |
| 13 | #include "GrContextFactory.h" |
| 14 | #include "SkGpuDevice.h" |
| 15 | |
| 16 | // Ensure that the 'getConservativeBounds' calls are returning bounds clamped |
| 17 | // to the render target |
| 18 | static void test_clip_bounds(skiatest::Reporter* reporter, GrContext* context) { |
| 19 | |
| 20 | static const int kXSize = 100; |
| 21 | static const int kYSize = 100; |
| 22 | |
| 23 | GrSurfaceDesc desc; |
| 24 | desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| 25 | desc.fConfig = kAlpha_8_GrPixelConfig; |
| 26 | desc.fWidth = kXSize; |
| 27 | desc.fHeight = kYSize; |
| 28 | |
| 29 | SkAutoTUnref<GrTexture> texture( |
| 30 | context->textureProvider()->createTexture(desc, false, nullptr, 0)); |
| 31 | if (!texture) { |
| 32 | return; |
| 33 | } |
| 34 | |
| 35 | SkIRect intScreen = SkIRect::MakeWH(kXSize, kYSize); |
| 36 | SkRect screen = SkRect::Make(intScreen); |
| 37 | |
| 38 | SkRect clipRect(screen); |
| 39 | clipRect.outset(10, 10); |
| 40 | |
| 41 | // create a clip stack that will (trivially) reduce to a single rect that |
| 42 | // is larger than the screen |
| 43 | SkClipStack stack; |
| 44 | stack.clipDevRect(clipRect, SkRegion::kReplace_Op, false); |
| 45 | |
| 46 | bool isIntersectionOfRects = true; |
| 47 | SkRect devStackBounds; |
| 48 | |
| 49 | stack.getConservativeBounds(0, 0, kXSize, kYSize, |
| 50 | &devStackBounds, |
| 51 | &isIntersectionOfRects); |
| 52 | |
| 53 | // make sure that the SkClipStack is behaving itself |
| 54 | REPORTER_ASSERT(reporter, screen == devStackBounds); |
| 55 | REPORTER_ASSERT(reporter, isIntersectionOfRects); |
| 56 | |
| 57 | // wrap the SkClipStack in a GrClip |
| 58 | GrClip clipData; |
| 59 | clipData.setClipStack(&stack); |
| 60 | |
| 61 | SkIRect devGrClipBound; |
| 62 | clipData.getConservativeBounds(texture, |
| 63 | &devGrClipBound, |
| 64 | &isIntersectionOfRects); |
| 65 | |
| 66 | // make sure that GrClip is behaving itself |
| 67 | REPORTER_ASSERT(reporter, intScreen == devGrClipBound); |
| 68 | REPORTER_ASSERT(reporter, isIntersectionOfRects); |
| 69 | } |
| 70 | |
| 71 | DEF_GPUTEST(GrClipBounds, reporter, factory) { |
| 72 | for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) { |
| 73 | GrContextFactory::GLContextType glType = static_cast<GrContextFactory::GLContextType>(type); |
| 74 | if (!GrContextFactory::IsRenderingGLContext(glType)) { |
| 75 | continue; |
| 76 | } |
| 77 | GrContext* context = factory->get(glType); |
| 78 | if (nullptr == context) { |
| 79 | continue; |
| 80 | } |
| 81 | test_clip_bounds(reporter, context); |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | #endif |