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- /*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- // This is a GPU-backend specific test. It relies on static intializers to work
- #include "include/core/SkTypes.h"
- #include "src/gpu/GrContextPriv.h"
- #include "src/gpu/GrSurfaceProxy.h"
- #include "src/gpu/SkGr.h"
- #include "tests/Test.h"
- #include "tests/TestUtils.h"
- #include "tools/gpu/GrContextFactory.h"
- #include "tools/gpu/ProxyUtils.h"
- using sk_gpu_test::GrContextFactory;
- void basic_texture_test(skiatest::Reporter* reporter, GrContext* context, SkColorType ct,
- GrRenderable renderable) {
- const int kWidth = 16;
- const int kHeight = 16;
- SkAutoTMalloc<GrColor> srcBuffer(kWidth*kHeight);
- SkAutoTMalloc<GrColor> dstBuffer(kWidth*kHeight);
- fill_pixel_data(kWidth, kHeight, srcBuffer.get());
- auto proxy = sk_gpu_test::MakeTextureProxyFromData(context, renderable, kWidth, kHeight, ct,
- kPremul_SkAlphaType,
- kTopLeft_GrSurfaceOrigin, srcBuffer, 0);
- REPORTER_ASSERT(reporter, proxy);
- if (proxy) {
- sk_sp<GrSurfaceContext> sContext = context->priv().makeWrappedSurfaceContext(
- proxy, SkColorTypeToGrColorType(ct), kPremul_SkAlphaType);
- SkImageInfo dstInfo = SkImageInfo::Make(kWidth, kHeight, ct, kPremul_SkAlphaType);
- bool result = sContext->readPixels(dstInfo, dstBuffer, 0, {0, 0});
- REPORTER_ASSERT(reporter, result);
- REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
- dstBuffer,
- kWidth,
- kHeight));
- dstInfo = SkImageInfo::Make(10, 2, ct, kPremul_SkAlphaType);
- result = sContext->writePixels(dstInfo, srcBuffer, 0, {2, 10});
- REPORTER_ASSERT(reporter, result);
- memset(dstBuffer, 0, kWidth*kHeight*sizeof(GrColor));
- result = sContext->readPixels(dstInfo, dstBuffer, 0, {2, 10});
- REPORTER_ASSERT(reporter, result);
- REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
- dstBuffer,
- 10,
- 2));
- }
- proxy = sk_gpu_test::MakeTextureProxyFromData(context, renderable, kWidth, kHeight, ct,
- kPremul_SkAlphaType, kBottomLeft_GrSurfaceOrigin,
- srcBuffer, 0);
- REPORTER_ASSERT(reporter, proxy);
- if (proxy) {
- sk_sp<GrSurfaceContext> sContext = context->priv().makeWrappedSurfaceContext(
- proxy, SkColorTypeToGrColorType(ct), kPremul_SkAlphaType);
- SkImageInfo dstInfo = SkImageInfo::Make(kWidth, kHeight, ct, kPremul_SkAlphaType);
- bool result = sContext->readPixels(dstInfo, dstBuffer, 0, {0, 0});
- REPORTER_ASSERT(reporter, result);
- REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
- dstBuffer,
- kWidth,
- kHeight));
- dstInfo = SkImageInfo::Make(4, 5, ct, kPremul_SkAlphaType);
- result = sContext->writePixels(dstInfo, srcBuffer, 0, {5, 4});
- REPORTER_ASSERT(reporter, result);
- memset(dstBuffer, 0, kWidth*kHeight*sizeof(GrColor));
- result = sContext->readPixels(dstInfo, dstBuffer, 0, {5, 4});
- REPORTER_ASSERT(reporter, result);
- REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
- dstBuffer,
- 4,
- 5));
- }
- }
- DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrUploadPixelsTests, reporter, ctxInfo) {
- // RGBA
- basic_texture_test(reporter, ctxInfo.grContext(), kRGBA_8888_SkColorType, GrRenderable::kNo);
- basic_texture_test(reporter, ctxInfo.grContext(), kRGBA_8888_SkColorType, GrRenderable::kYes);
- // BGRA
- basic_texture_test(reporter, ctxInfo.grContext(), kBGRA_8888_SkColorType, GrRenderable::kNo);
- basic_texture_test(reporter, ctxInfo.grContext(), kBGRA_8888_SkColorType, GrRenderable::kYes);
- }
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