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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.
- */
- #include "tests/Test.h"
- #include "tests/TestUtils.h"
- #include "include/gpu/GrContext.h"
- #include "src/gpu/GrClip.h"
- #include "src/gpu/GrContextPriv.h"
- #include "src/gpu/GrProxyProvider.h"
- #include "src/gpu/GrRenderTargetContext.h"
- #include "src/gpu/GrSurfaceContextPriv.h"
- #include "src/gpu/GrSurfacePriv.h"
- #include "src/gpu/GrTexturePriv.h"
- #include "src/gpu/SkGr.h"
- #include "src/gpu/gl/GrGLGpu.h"
- #include "src/gpu/gl/GrGLUtil.h"
- #include "tools/gpu/ProxyUtils.h"
- #include "tools/gpu/gl/GLTestContext.h"
- // skbug.com/5932
- static void test_basic_draw_as_src(skiatest::Reporter* reporter, GrContext* context,
- sk_sp<GrTextureProxy> rectProxy, GrColorType colorType,
- uint32_t expectedPixelValues[]) {
- sk_sp<GrRenderTargetContext> rtContext(context->priv().makeDeferredRenderTargetContext(
- SkBackingFit::kExact, rectProxy->width(), rectProxy->height(), colorType, nullptr));
- for (auto filter : {GrSamplerState::Filter::kNearest,
- GrSamplerState::Filter::kBilerp,
- GrSamplerState::Filter::kMipMap}) {
- rtContext->clear(nullptr, SkPMColor4f::FromBytes_RGBA(0xDDCCBBAA),
- GrRenderTargetContext::CanClearFullscreen::kYes);
- auto fp = GrSimpleTextureEffect::Make(rectProxy, SkMatrix::I(), filter);
- GrPaint paint;
- paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
- paint.addColorFragmentProcessor(std::move(fp));
- rtContext->drawPaint(GrNoClip(), std::move(paint), SkMatrix::I());
- test_read_pixels(reporter, rtContext.get(), expectedPixelValues,
- "RectangleTexture-basic-draw");
- }
- }
- static void test_clear(skiatest::Reporter* reporter, GrSurfaceContext* rectContext) {
- if (GrRenderTargetContext* rtc = rectContext->asRenderTargetContext()) {
- // Clear the whole thing.
- GrColor color0 = GrColorPackRGBA(0xA, 0xB, 0xC, 0xD);
- rtc->clear(nullptr, SkPMColor4f::FromBytes_RGBA(color0),
- GrRenderTargetContext::CanClearFullscreen::kNo);
- int w = rtc->width();
- int h = rtc->height();
- int pixelCnt = w * h;
- SkAutoTMalloc<uint32_t> expectedPixels(pixelCnt);
- // The clear color is a GrColor, our readback is to kRGBA_8888, which may be different.
- uint32_t expectedColor0 = 0;
- uint8_t* expectedBytes0 = reinterpret_cast<uint8_t*>(&expectedColor0);
- expectedBytes0[0] = GrColorUnpackR(color0);
- expectedBytes0[1] = GrColorUnpackG(color0);
- expectedBytes0[2] = GrColorUnpackB(color0);
- expectedBytes0[3] = GrColorUnpackA(color0);
- for (int i = 0; i < rtc->width() * rtc->height(); ++i) {
- expectedPixels.get()[i] = expectedColor0;
- }
- // Clear the the top to a different color.
- GrColor color1 = GrColorPackRGBA(0x1, 0x2, 0x3, 0x4);
- SkIRect rect = SkIRect::MakeWH(w, h/2);
- rtc->clear(&rect, SkPMColor4f::FromBytes_RGBA(color1),
- GrRenderTargetContext::CanClearFullscreen::kNo);
- uint32_t expectedColor1 = 0;
- uint8_t* expectedBytes1 = reinterpret_cast<uint8_t*>(&expectedColor1);
- expectedBytes1[0] = GrColorUnpackR(color1);
- expectedBytes1[1] = GrColorUnpackG(color1);
- expectedBytes1[2] = GrColorUnpackB(color1);
- expectedBytes1[3] = GrColorUnpackA(color1);
- for (int y = 0; y < h/2; ++y) {
- for (int x = 0; x < w; ++x) {
- expectedPixels.get()[y * h + x] = expectedColor1;
- }
- }
- test_read_pixels(reporter, rtc, expectedPixels.get(), "RectangleTexture-clear");
- }
- }
- static void test_copy_to_surface(skiatest::Reporter* reporter,
- GrContext* context,
- GrSurfaceContext* dstContext,
- const char* testName) {
- int pixelCnt = dstContext->width() * dstContext->height();
- SkAutoTMalloc<uint32_t> pixels(pixelCnt);
- for (int y = 0; y < dstContext->width(); ++y) {
- for (int x = 0; x < dstContext->height(); ++x) {
- pixels.get()[y * dstContext->width() + x] =
- SkColorToPremulGrColor(SkColorSetARGB(2*y, y, x, x * y));
- }
- }
- for (auto renderable : {GrRenderable::kNo, GrRenderable::kYes}) {
- auto origin = dstContext->asSurfaceProxy()->origin();
- auto src = sk_gpu_test::MakeTextureProxyFromData(
- context, renderable, dstContext->width(), dstContext->height(),
- kRGBA_8888_SkColorType, kPremul_SkAlphaType, origin, pixels.get(), 0);
- // If this assert ever fails we can add a fallback to do copy as draw, but until then we can
- // be more restrictive.
- SkAssertResult(dstContext->testCopy(src.get()));
- test_read_pixels(reporter, dstContext, pixels.get(), testName);
- }
- }
- DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(RectangleTexture, reporter, ctxInfo) {
- GrContext* context = ctxInfo.grContext();
- GrProxyProvider* proxyProvider = context->priv().proxyProvider();
- sk_gpu_test::GLTestContext* glContext = ctxInfo.glContext();
- static const int kWidth = 16;
- static const int kHeight = 16;
- GrColor pixels[kWidth * kHeight];
- for (int y = 0; y < kHeight; ++y) {
- for (int x = 0; x < kWidth; ++x) {
- pixels[y * kWidth + x] = y * kWidth + x;
- }
- }
- for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin }) {
- bool useBLOrigin = kBottomLeft_GrSurfaceOrigin == origin;
- GrGLuint rectTexID = glContext->createTextureRectangle(kWidth, kHeight, GR_GL_RGBA,
- GR_GL_RGBA, GR_GL_UNSIGNED_BYTE,
- pixels);
- if (!rectTexID) {
- return;
- }
- // Let GrContext know that we messed with the GL context directly.
- context->resetContext();
- // Wrap the rectangle texture ID in a GrTexture
- GrGLTextureInfo rectangleInfo;
- rectangleInfo.fID = rectTexID;
- rectangleInfo.fTarget = GR_GL_TEXTURE_RECTANGLE;
- rectangleInfo.fFormat = GR_GL_RGBA8;
- GrBackendTexture rectangleTex(kWidth, kHeight, GrMipMapped::kNo, rectangleInfo);
- rectangleTex.setPixelConfig(kRGBA_8888_GrPixelConfig);
- GrColor refPixels[kWidth * kHeight];
- for (int y = 0; y < kHeight; ++y) {
- for (int x = 0; x < kWidth; ++x) {
- int y0 = useBLOrigin ? kHeight - y - 1 : y;
- refPixels[y * kWidth + x] = pixels[y0 * kWidth + x];
- }
- }
- sk_sp<GrTextureProxy> rectProxy = proxyProvider->wrapBackendTexture(
- rectangleTex, GrColorType::kRGBA_8888, origin,
- kBorrow_GrWrapOwnership, GrWrapCacheable::kNo, kRW_GrIOType);
- if (!rectProxy) {
- ERRORF(reporter, "Error creating proxy for rectangle texture.");
- GR_GL_CALL(glContext->gl(), DeleteTextures(1, &rectTexID));
- continue;
- }
- SkASSERT(rectProxy->mipMapped() == GrMipMapped::kNo);
- SkASSERT(rectProxy->peekTexture()->texturePriv().mipMapped() == GrMipMapped::kNo);
- SkASSERT(rectProxy->textureType() == GrTextureType::kRectangle);
- SkASSERT(rectProxy->peekTexture()->texturePriv().textureType() ==
- GrTextureType::kRectangle);
- SkASSERT(rectProxy->hasRestrictedSampling());
- SkASSERT(rectProxy->peekTexture()->texturePriv().hasRestrictedSampling());
- test_basic_draw_as_src(reporter, context, rectProxy, GrColorType::kRGBA_8888, refPixels);
- // Test copy to both a texture and RT
- test_copy_from_surface(reporter, context, rectProxy.get(), GrColorType::kRGBA_8888,
- refPixels, "RectangleTexture-copy-from");
- sk_sp<GrSurfaceContext> rectContext = context->priv().makeWrappedSurfaceContext(
- std::move(rectProxy), GrColorType::kRGBA_8888, kPremul_SkAlphaType);
- SkASSERT(rectContext);
- test_read_pixels(reporter, rectContext.get(), refPixels, "RectangleTexture-read");
- test_copy_to_surface(reporter, context, rectContext.get(), "RectangleTexture-copy-to");
- test_write_pixels(reporter, rectContext.get(), true, "RectangleTexture-write");
- test_clear(reporter, rectContext.get());
- GR_GL_CALL(glContext->gl(), DeleteTextures(1, &rectTexID));
- }
- }
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