1 /*
2 * Copyright 2015 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 // This is a GPU-backend specific test. It relies on static intializers to work
9
10 #include "include/core/SkTypes.h"
11
12 #include "src/gpu/GrContextPriv.h"
13 #include "src/gpu/GrImageInfo.h"
14 #include "src/gpu/GrSurfaceProxy.h"
15 #include "src/gpu/SkGr.h"
16 #include "tests/Test.h"
17 #include "tests/TestUtils.h"
18 #include "tools/gpu/GrContextFactory.h"
19 #include "tools/gpu/ProxyUtils.h"
20
21 using sk_gpu_test::GrContextFactory;
22
basic_texture_test(skiatest::Reporter * reporter,GrContext * context,SkColorType ct,GrRenderable renderable)23 void basic_texture_test(skiatest::Reporter* reporter, GrContext* context, SkColorType ct,
24 GrRenderable renderable) {
25 const int kWidth = 16;
26 const int kHeight = 16;
27 SkAutoTMalloc<GrColor> srcBuffer(kWidth*kHeight);
28 SkAutoTMalloc<GrColor> dstBuffer(kWidth*kHeight);
29
30 FillPixelData(kWidth, kHeight, srcBuffer.get());
31
32 auto grCT = SkColorTypeToGrColorType(ct);
33 auto proxy = sk_gpu_test::MakeTextureProxyFromData(
34 context, renderable, kTopLeft_GrSurfaceOrigin,
35 {grCT, kPremul_SkAlphaType, nullptr, kWidth, kHeight}, srcBuffer, 0);
36 REPORTER_ASSERT(reporter, proxy);
37 if (proxy) {
38 GrSwizzle swizzle = context->priv().caps()->getReadSwizzle(proxy->backendFormat(), grCT);
39 GrSurfaceProxyView view(proxy, kTopLeft_GrSurfaceOrigin, swizzle);
40 auto sContext = GrSurfaceContext::Make(context, std::move(view), grCT, kPremul_SkAlphaType,
41 nullptr);
42
43 SkImageInfo dstInfo = SkImageInfo::Make(kWidth, kHeight, ct, kPremul_SkAlphaType);
44
45 bool result = sContext->readPixels(dstInfo, dstBuffer, 0, {0, 0});
46 REPORTER_ASSERT(reporter, result);
47 REPORTER_ASSERT(reporter,
48 DoesFullBufferContainCorrectColor(srcBuffer, dstBuffer, kWidth, kHeight));
49
50 dstInfo = SkImageInfo::Make(10, 2, ct, kPremul_SkAlphaType);
51 result = sContext->writePixels(dstInfo, srcBuffer, 0, {2, 10});
52 REPORTER_ASSERT(reporter, result);
53
54 memset(dstBuffer, 0, kWidth*kHeight*sizeof(GrColor));
55
56 result = sContext->readPixels(dstInfo, dstBuffer, 0, {2, 10});
57 REPORTER_ASSERT(reporter, result);
58
59 REPORTER_ASSERT(reporter, DoesFullBufferContainCorrectColor(srcBuffer, dstBuffer, 10, 2));
60 }
61
62 proxy = sk_gpu_test::MakeTextureProxyFromData(
63 context, renderable, kBottomLeft_GrSurfaceOrigin,
64 {grCT, kPremul_SkAlphaType, nullptr, kWidth, kHeight}, srcBuffer, 0);
65 REPORTER_ASSERT(reporter, proxy);
66 if (proxy) {
67 GrSwizzle swizzle = context->priv().caps()->getReadSwizzle(proxy->backendFormat(), grCT);
68 GrSurfaceProxyView view(proxy, kBottomLeft_GrSurfaceOrigin, swizzle);
69 auto sContext = GrSurfaceContext::Make(context, std::move(view), grCT, kPremul_SkAlphaType,
70 nullptr);
71
72 SkImageInfo dstInfo = SkImageInfo::Make(kWidth, kHeight, ct, kPremul_SkAlphaType);
73
74 bool result = sContext->readPixels(dstInfo, dstBuffer, 0, {0, 0});
75 REPORTER_ASSERT(reporter, result);
76 REPORTER_ASSERT(reporter,
77 DoesFullBufferContainCorrectColor(srcBuffer, dstBuffer, kWidth, kHeight));
78
79 dstInfo = SkImageInfo::Make(4, 5, ct, kPremul_SkAlphaType);
80 result = sContext->writePixels(dstInfo, srcBuffer, 0, {5, 4});
81 REPORTER_ASSERT(reporter, result);
82
83 memset(dstBuffer, 0, kWidth*kHeight*sizeof(GrColor));
84
85 result = sContext->readPixels(dstInfo, dstBuffer, 0, {5, 4});
86 REPORTER_ASSERT(reporter, result);
87
88 REPORTER_ASSERT(reporter, DoesFullBufferContainCorrectColor(srcBuffer, dstBuffer, 4, 5));
89
90 }
91 }
92
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrUploadPixelsTests,reporter,ctxInfo)93 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrUploadPixelsTests, reporter, ctxInfo) {
94 // RGBA
95 basic_texture_test(reporter, ctxInfo.grContext(), kRGBA_8888_SkColorType, GrRenderable::kNo);
96 basic_texture_test(reporter, ctxInfo.grContext(), kRGBA_8888_SkColorType, GrRenderable::kYes);
97
98 // BGRA
99 basic_texture_test(reporter, ctxInfo.grContext(), kBGRA_8888_SkColorType, GrRenderable::kNo);
100 basic_texture_test(reporter, ctxInfo.grContext(), kBGRA_8888_SkColorType, GrRenderable::kYes);
101 }
102