| /* |
| * 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 "Test.h" |
| #include "TestUtils.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "GrClip.h" |
| #include "GrContext.h" |
| #include "GrContextPriv.h" |
| #include "GrProxyProvider.h" |
| #include "GrRenderTargetContext.h" |
| #include "GrTest.h" |
| #include "gl/GLTestContext.h" |
| #include "gl/GrGLGpu.h" |
| #include "gl/GrGLUtil.h" |
| |
| // skbug.com/5932 |
| static void test_basic_draw_as_src(skiatest::Reporter* reporter, GrContext* context, |
| sk_sp<GrTextureProxy> rectProxy, uint32_t expectedPixelValues[]) { |
| sk_sp<GrRenderTargetContext> rtContext(context->contextPriv().makeDeferredRenderTargetContext( |
| SkBackingFit::kExact, rectProxy->width(), |
| rectProxy->height(), rectProxy->config(), |
| nullptr)); |
| for (auto filter : {GrSamplerState::Filter::kNearest, |
| GrSamplerState::Filter::kBilerp, |
| GrSamplerState::Filter::kMipMap}) { |
| rtContext->clear(nullptr, 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, 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 = SkTCast<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, color1, GrRenderTargetContext::CanClearFullscreen::kNo); |
| |
| uint32_t expectedColor1 = 0; |
| uint8_t* expectedBytes1 = SkTCast<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"); |
| } |
| } |
| |
| DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(RectangleTexture, reporter, ctxInfo) { |
| GrContext* context = ctxInfo.grContext(); |
| GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider(); |
| sk_gpu_test::GLTestContext* glContext = ctxInfo.glContext(); |
| static const int kWidth = 13; |
| static const int kHeight = 13; |
| |
| 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; |
| |
| GrBackendTexture rectangleTex(kWidth, kHeight, kRGBA_8888_GrPixelConfig, rectangleInfo); |
| |
| 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->createWrappedTextureProxy( |
| rectangleTex, origin); |
| |
| if (!rectProxy) { |
| ERRORF(reporter, "Error creating proxy for rectangle texture."); |
| GR_GL_CALL(glContext->gl(), DeleteTextures(1, &rectTexID)); |
| continue; |
| } |
| |
| test_basic_draw_as_src(reporter, context, rectProxy, refPixels); |
| |
| // Test copy to both a texture and RT |
| test_copy_from_surface(reporter, context, rectProxy.get(), refPixels, |
| false, "RectangleTexture-copy-from"); |
| |
| sk_sp<GrSurfaceContext> rectContext = context->contextPriv().makeWrappedSurfaceContext( |
| std::move(rectProxy)); |
| SkASSERT(rectContext); |
| |
| test_read_pixels(reporter, rectContext.get(), refPixels, "RectangleTexture-read"); |
| |
| test_copy_to_surface(reporter, context->contextPriv().proxyProvider(), |
| 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)); |
| } |
| } |
| |
| #endif |