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 "SkTypes.h"
11
12 #include "GrContextFactory.h"
13 #include "GrContextPriv.h"
14 #include "GrSurfaceProxy.h"
15 #include "ProxyUtils.h"
16 #include "SkGr.h"
17 #include "Test.h"
18 #include "TestUtils.h"
19
20 using sk_gpu_test::GrContextFactory;
21
basic_texture_test(skiatest::Reporter * reporter,GrContext * context,SkColorType ct,bool renderTarget)22 void basic_texture_test(skiatest::Reporter* reporter, GrContext* context, SkColorType ct,
23 bool renderTarget) {
24 const int kWidth = 16;
25 const int kHeight = 16;
26 SkAutoTMalloc<GrColor> srcBuffer(kWidth*kHeight);
27 SkAutoTMalloc<GrColor> dstBuffer(kWidth*kHeight);
28
29 fill_pixel_data(kWidth, kHeight, srcBuffer.get());
30
31 auto proxy = sk_gpu_test::MakeTextureProxyFromData(context, renderTarget, kWidth, kHeight, ct,
32 kTopLeft_GrSurfaceOrigin, srcBuffer, 0);
33 REPORTER_ASSERT(reporter, proxy);
34 if (proxy) {
35 sk_sp<GrSurfaceContext> sContext = context->priv().makeWrappedSurfaceContext(proxy);
36
37 SkImageInfo dstInfo = SkImageInfo::Make(kWidth, kHeight, ct, kPremul_SkAlphaType);
38
39 bool result = sContext->readPixels(dstInfo, dstBuffer, 0, 0, 0);
40 REPORTER_ASSERT(reporter, result);
41 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
42 dstBuffer,
43 kWidth,
44 kHeight));
45
46 dstInfo = SkImageInfo::Make(10, 2, ct, kPremul_SkAlphaType);
47 result = sContext->writePixels(dstInfo, srcBuffer, 0, 2, 10);
48 REPORTER_ASSERT(reporter, result);
49
50 memset(dstBuffer, 0, kWidth*kHeight*sizeof(GrColor));
51
52 result = sContext->readPixels(dstInfo, dstBuffer, 0, 2, 10);
53 REPORTER_ASSERT(reporter, result);
54
55 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
56 dstBuffer,
57 10,
58 2));
59 }
60
61 proxy = sk_gpu_test::MakeTextureProxyFromData(context, renderTarget, kWidth, kHeight, ct,
62 kBottomLeft_GrSurfaceOrigin, srcBuffer, 0);
63 REPORTER_ASSERT(reporter, proxy);
64 if (proxy) {
65 sk_sp<GrSurfaceContext> sContext = context->priv().makeWrappedSurfaceContext(proxy);
66
67 SkImageInfo dstInfo = SkImageInfo::Make(kWidth, kHeight, ct, kPremul_SkAlphaType);
68
69 bool result = sContext->readPixels(dstInfo, dstBuffer, 0, 0, 0);
70 REPORTER_ASSERT(reporter, result);
71 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
72 dstBuffer,
73 kWidth,
74 kHeight));
75
76 dstInfo = SkImageInfo::Make(4, 5, ct, kPremul_SkAlphaType);
77 result = sContext->writePixels(dstInfo, srcBuffer, 0, 5, 4);
78 REPORTER_ASSERT(reporter, result);
79
80 memset(dstBuffer, 0, kWidth*kHeight*sizeof(GrColor));
81
82 result = sContext->readPixels(dstInfo, dstBuffer, 0, 5, 4);
83 REPORTER_ASSERT(reporter, result);
84
85 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
86 dstBuffer,
87 4,
88 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, false);
96 basic_texture_test(reporter, ctxInfo.grContext(), kRGBA_8888_SkColorType, true);
97
98 // BGRA
99 basic_texture_test(reporter, ctxInfo.grContext(), kBGRA_8888_SkColorType, false);
100 basic_texture_test(reporter, ctxInfo.grContext(), kBGRA_8888_SkColorType, true);
101 }
102