1
2/*
3 * Copyright 2013 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// This is a GPU-backend specific test.
10
11#include "SkTypes.h"
12
13#if SK_SUPPORT_GPU
14
15#include "Test.h"
16#include "GrContext.h"
17#include "GrContextFactory.h"
18#include "GrRenderTarget.h"
19#include "GrTexture.h"
20
21static void GrSurfaceIsSameTest(skiatest::Reporter* reporter, GrContextFactory* factory) {
22    GrContext* context = factory->get(GrContextFactory::kNull_GLContextType);
23    if (NULL != context) {
24        GrTextureDesc desc;
25        desc.fConfig = kSkia8888_GrPixelConfig;
26        desc.fFlags = kRenderTarget_GrTextureFlagBit;
27        desc.fWidth = 256;
28        desc.fHeight = 256;
29        desc.fSampleCnt = 0;
30        GrSurface* texRT1 = context->createUncachedTexture(desc, NULL, 0);
31        GrSurface* texRT2 = context->createUncachedTexture(desc, NULL, 0);
32        desc.fFlags = kNone_GrTextureFlags;
33        GrSurface* tex1 = context->createUncachedTexture(desc, NULL, 0);
34
35        REPORTER_ASSERT(reporter, texRT1->isSameAs(texRT1));
36        REPORTER_ASSERT(reporter, texRT1->isSameAs(texRT1->asRenderTarget()));
37        REPORTER_ASSERT(reporter, texRT1->asRenderTarget()->isSameAs(texRT1));
38        REPORTER_ASSERT(reporter, !texRT2->isSameAs(texRT1));
39        REPORTER_ASSERT(reporter, !texRT2->asRenderTarget()->isSameAs(texRT1));
40        REPORTER_ASSERT(reporter, !texRT2->isSameAs(texRT1->asRenderTarget()));
41        REPORTER_ASSERT(reporter, !texRT2->isSameAs(tex1));
42        REPORTER_ASSERT(reporter, !texRT2->asRenderTarget()->isSameAs(tex1));
43
44        GrBackendTextureDesc backendDesc;
45        backendDesc.fConfig = kSkia8888_GrPixelConfig;
46        backendDesc.fFlags = kRenderTarget_GrBackendTextureFlag;
47        backendDesc.fWidth = 256;
48        backendDesc.fHeight = 256;
49        backendDesc.fSampleCnt = 0;
50        backendDesc.fTextureHandle = 5;
51        GrSurface* externalTexRT = context->wrapBackendTexture(backendDesc);
52        REPORTER_ASSERT(reporter, externalTexRT->isSameAs(externalTexRT));
53        REPORTER_ASSERT(reporter, externalTexRT->isSameAs(externalTexRT->asRenderTarget()));
54        REPORTER_ASSERT(reporter, externalTexRT->asRenderTarget()->isSameAs(externalTexRT));
55        REPORTER_ASSERT(reporter, !externalTexRT->isSameAs(texRT1));
56        REPORTER_ASSERT(reporter, !externalTexRT->asRenderTarget()->isSameAs(texRT1));
57
58        texRT1->unref();
59        texRT2->unref();
60        tex1->unref();
61        externalTexRT->unref();
62    }
63}
64
65#include "TestClassDef.h"
66DEFINE_GPUTESTCLASS("GrSurfaceIsSame", GrSurfaceIsSameTestClass, GrSurfaceIsSameTest)
67
68#endif
69