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1 /* | |
2 * Copyright 2013 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "SkTypes.h" | |
9 | |
10 #if SK_SUPPORT_GPU | |
11 | |
12 #include "GrContext.h" | |
13 #include "GrContextFactory.h" | |
14 #include "GrTexture.h" | |
15 #include "GrTexturePriv.h" | |
16 #include "SkCanvas.h" | |
17 #include "SkGr.h" | |
18 #include "SkSurface.h" | |
19 #include "Test.h" | |
20 | |
21 // Tests that GrSurface::asTexture(), GrSurface::asRenderTarget(), and static up casting of texture | |
22 // and render targets to GrSurface all work as expected. | |
23 DEF_GPUTEST(GrTextureMipMapInvalidationTest, reporter, factory) { | |
24 GrContext* context = factory->get(GrContextFactory::kNull_GLContextType); | |
25 if (context) { | |
26 GrSurfaceDesc desc; | |
27 desc.fConfig = kSkia8888_GrPixelConfig; | |
28 desc.fFlags = kRenderTarget_GrSurfaceFlag; | |
29 desc.fWidth = 256; | |
30 desc.fHeight = 256; | |
31 desc.fSampleCnt = 0; | |
32 GrSurface* texRT1 = context->textureProvider()->createTexture(desc, fals e, nullptr, 0); | |
33 GrSurface* texRT2 = context->textureProvider()->createTexture(desc, fals e, nullptr, 0); | |
34 REPORTER_ASSERT(reporter, nullptr != texRT1); | |
35 REPORTER_ASSERT(reporter, nullptr != texRT2); | |
36 GrTexture* tex = texRT1->asTexture(); | |
37 REPORTER_ASSERT(reporter, nullptr != tex); | |
38 SkBitmap bitmap; | |
39 GrWrapTextureInBitmap(tex, 256, 256, false, &bitmap); | |
40 | |
41 // No mipmaps initially | |
42 REPORTER_ASSERT(reporter, false == tex->texturePriv().hasMipMaps()); | |
43 | |
44 // Painting with downscale and medium filter quality should result in mi pmap creation | |
bsalomon
2015/09/15 13:14:10
This still has to work...
| |
45 SkSurface* surface = SkSurface::NewRenderTargetDirect(texRT2->asRenderTa rget()); | |
46 SkPaint paint; | |
47 paint.setFilterQuality(kMedium_SkFilterQuality); | |
48 surface->getCanvas()->scale(0.2f, 0.2f); | |
49 surface->getCanvas()->drawBitmap(bitmap, 0, 0, &paint); | |
50 context->flush(); | |
51 | |
52 REPORTER_ASSERT(reporter, true == tex->texturePriv().hasMipMaps()); | |
53 REPORTER_ASSERT(reporter, false == tex->texturePriv().mipMapsAreDirty()) ; | |
54 | |
55 // Invalidating the contents of the bitmap should invalidate the mipmap, but not de-allocate | |
56 bitmap.notifyPixelsChanged(); | |
57 REPORTER_ASSERT(reporter, true == tex->texturePriv().hasMipMaps()); | |
58 REPORTER_ASSERT(reporter, true == tex->texturePriv().mipMapsAreDirty()); | |
59 | |
60 surface->unref(); | |
61 texRT1->unref(); | |
62 texRT2->unref(); | |
63 } | |
64 } | |
65 | |
66 #endif | |
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