1 /*
2 * Copyright 2018 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 #include "GrGpu.h"
11 #include "GrContextPriv.h"
12 #include "GrTexture.h"
13 #include "SkConvertPixels.h"
14 #include "Test.h"
15 #include "TestUtils.h"
16
testing_only_texture_test(skiatest::Reporter * reporter,GrContext * context,GrColorType ct,bool renderTarget,bool doDataUpload,GrMipMapped mipMapped)17 void testing_only_texture_test(skiatest::Reporter* reporter, GrContext* context, GrColorType ct,
18 bool renderTarget, bool doDataUpload, GrMipMapped mipMapped) {
19 const int kWidth = 16;
20 const int kHeight = 16;
21 SkAutoTMalloc<GrColor> srcBuffer;
22 if (doDataUpload) {
23 srcBuffer.reset(kWidth * kHeight);
24 fill_pixel_data(kWidth, kHeight, srcBuffer.get());
25 }
26 SkAutoTMalloc<GrColor> dstBuffer(kWidth * kHeight);
27
28 GrGpu* gpu = context->contextPriv().getGpu();
29
30 GrPixelConfig config = GrColorTypeToPixelConfig(ct, GrSRGBEncoded::kNo);
31 if (!gpu->caps()->isConfigTexturable(config)) {
32 return;
33 }
34 if (gpu->caps()->supportedReadPixelsColorType(config, ct) != ct) {
35 return;
36 }
37
38 GrBackendTexture backendTex = gpu->createTestingOnlyBackendTexture(srcBuffer,
39 kWidth,
40 kHeight,
41 ct,
42 renderTarget,
43 mipMapped);
44 if (!backendTex.isValid()) {
45 return;
46 }
47
48 sk_sp<GrTexture> wrappedTex;
49 if (renderTarget) {
50 wrappedTex = gpu->wrapRenderableBackendTexture(
51 backendTex, 1, GrWrapOwnership::kAdopt_GrWrapOwnership, GrWrapCacheable::kNo);
52 } else {
53 wrappedTex = gpu->wrapBackendTexture(backendTex, GrWrapOwnership::kAdopt_GrWrapOwnership,
54 GrWrapCacheable::kNo, kRead_GrIOType);
55 }
56 REPORTER_ASSERT(reporter, wrappedTex);
57
58 int rowBytes = GrColorTypeBytesPerPixel(ct) * kWidth;
59 bool result = gpu->readPixels(wrappedTex.get(), 0, 0, kWidth,
60 kHeight, ct, dstBuffer, rowBytes);
61
62 if (!doDataUpload) {
63 // createTestingOnlyBackendTexture will fill the texture with 0's if no data is provided, so
64 // we set the expected result likewise.
65 srcBuffer.reset(kWidth * kHeight);
66 memset(srcBuffer, 0, kWidth * kHeight * sizeof(GrColor));
67 }
68 REPORTER_ASSERT(reporter, result);
69 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer, dstBuffer,
70 kWidth, kHeight));
71 }
72
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrTestingBackendTextureUploadTest,reporter,ctxInfo)73 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrTestingBackendTextureUploadTest, reporter, ctxInfo) {
74 for (auto colorType: { GrColorType::kRGBA_8888, GrColorType::kBGRA_8888 }) {
75 for (bool renderable: {true, false}) {
76 for (bool doDataUpload: {true, false}) {
77 testing_only_texture_test(reporter, ctxInfo.grContext(), colorType,
78 renderable, doDataUpload, GrMipMapped::kNo);
79
80 if (!doDataUpload) {
81 testing_only_texture_test(reporter, ctxInfo.grContext(), colorType,
82 renderable, doDataUpload, GrMipMapped::kYes);
83 }
84 }
85 }
86 }
87 }
88
89