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 #include "Test.h" 9 #include "TestUtils.h" 10 11 #include "GrClip.h" 12 #include "GrContext.h" 13 #include "GrContextPriv.h" 14 #include "GrProxyProvider.h" 15 #include "GrRenderTargetContext.h" 16 #include "GrSurfacePriv.h" 17 #include "GrTexturePriv.h" 18 #include "GrTextureProxyPriv.h" 19 #include "gl/GLTestContext.h" 20 #include "gl/GrGLGpu.h" 21 #include "gl/GrGLUtil.h" 22 23 // skbug.com/5932 24 static void test_basic_draw_as_src(skiatest::Reporter* reporter, GrContext* context, 25 sk_sp<GrTextureProxy> rectProxy, uint32_t expectedPixelValues[]) { 26 GrBackendFormat format = rectProxy->backendFormat().makeTexture2D(); 27 SkASSERT(format.isValid()); 28 sk_sp<GrRenderTargetContext> rtContext(context->priv().makeDeferredRenderTargetContext( 29 format, 30 SkBackingFit::kExact, rectProxy->width(), 31 rectProxy->height(), rectProxy->config(), 32 nullptr)); 33 for (auto filter : {GrSamplerState::Filter::kNearest, 34 GrSamplerState::Filter::kBilerp, 35 GrSamplerState::Filter::kMipMap}) { 36 rtContext->clear(nullptr, SkPMColor4f::FromBytes_RGBA(0xDDCCBBAA), 37 GrRenderTargetContext::CanClearFullscreen::kYes); 38 auto fp = GrSimpleTextureEffect::Make(rectProxy, SkMatrix::I(), filter); 39 GrPaint paint; 40 paint.setPorterDuffXPFactory(SkBlendMode::kSrc); 41 paint.addColorFragmentProcessor(std::move(fp)); 42 rtContext->drawPaint(GrNoClip(), std::move(paint), SkMatrix::I()); 43 test_read_pixels(reporter, rtContext.get(), expectedPixelValues, 44 "RectangleTexture-basic-draw"); 45 } 46 } 47 48 static void test_clear(skiatest::Reporter* reporter, GrSurfaceContext* rectContext) { 49 if (GrRenderTargetContext* rtc = rectContext->asRenderTargetContext()) { 50 // Clear the whole thing. 51 GrColor color0 = GrColorPackRGBA(0xA, 0xB, 0xC, 0xD); 52 rtc->clear(nullptr, SkPMColor4f::FromBytes_RGBA(color0), 53 GrRenderTargetContext::CanClearFullscreen::kNo); 54 55 int w = rtc->width(); 56 int h = rtc->height(); 57 int pixelCnt = w * h; 58 SkAutoTMalloc<uint32_t> expectedPixels(pixelCnt); 59 60 // The clear color is a GrColor, our readback is to kRGBA_8888, which may be different. 61 uint32_t expectedColor0 = 0; 62 uint8_t* expectedBytes0 = reinterpret_cast<uint8_t*>(&expectedColor0); 63 expectedBytes0[0] = GrColorUnpackR(color0); 64 expectedBytes0[1] = GrColorUnpackG(color0); 65 expectedBytes0[2] = GrColorUnpackB(color0); 66 expectedBytes0[3] = GrColorUnpackA(color0); 67 for (int i = 0; i < rtc->width() * rtc->height(); ++i) { 68 expectedPixels.get()[i] = expectedColor0; 69 } 70 71 // Clear the the top to a different color. 72 GrColor color1 = GrColorPackRGBA(0x1, 0x2, 0x3, 0x4); 73 SkIRect rect = SkIRect::MakeWH(w, h/2); 74 rtc->clear(&rect, SkPMColor4f::FromBytes_RGBA(color1), 75 GrRenderTargetContext::CanClearFullscreen::kNo); 76 77 uint32_t expectedColor1 = 0; 78 uint8_t* expectedBytes1 = reinterpret_cast<uint8_t*>(&expectedColor1); 79 expectedBytes1[0] = GrColorUnpackR(color1); 80 expectedBytes1[1] = GrColorUnpackG(color1); 81 expectedBytes1[2] = GrColorUnpackB(color1); 82 expectedBytes1[3] = GrColorUnpackA(color1); 83 84 for (int y = 0; y < h/2; ++y) { 85 for (int x = 0; x < w; ++x) { 86 expectedPixels.get()[y * h + x] = expectedColor1; 87 } 88 } 89 90 test_read_pixels(reporter, rtc, expectedPixels.get(), "RectangleTexture-clear"); 91 } 92 } 93 94 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(RectangleTexture, reporter, ctxInfo) { 95 GrContext* context = ctxInfo.grContext(); 96 GrProxyProvider* proxyProvider = context->priv().proxyProvider(); 97 sk_gpu_test::GLTestContext* glContext = ctxInfo.glContext(); 98 static const int kWidth = 13; 99 static const int kHeight = 13; 100 101 GrColor pixels[kWidth * kHeight]; 102 for (int y = 0; y < kHeight; ++y) { 103 for (int x = 0; x < kWidth; ++x) { 104 pixels[y * kWidth + x] = y * kWidth + x; 105 } 106 } 107 108 for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin }) { 109 bool useBLOrigin = kBottomLeft_GrSurfaceOrigin == origin; 110 111 GrGLuint rectTexID = glContext->createTextureRectangle(kWidth, kHeight, GR_GL_RGBA, 112 GR_GL_RGBA, GR_GL_UNSIGNED_BYTE, 113 pixels); 114 115 if (!rectTexID) { 116 return; 117 } 118 119 // Let GrContext know that we messed with the GL context directly. 120 context->resetContext(); 121 122 // Wrap the rectangle texture ID in a GrTexture 123 GrGLTextureInfo rectangleInfo; 124 rectangleInfo.fID = rectTexID; 125 rectangleInfo.fTarget = GR_GL_TEXTURE_RECTANGLE; 126 127 GrBackendTexture rectangleTex(kWidth, kHeight, GrMipMapped::kNo, rectangleInfo); 128 rectangleTex.setPixelConfig(kRGBA_8888_GrPixelConfig); 129 130 GrColor refPixels[kWidth * kHeight]; 131 for (int y = 0; y < kHeight; ++y) { 132 for (int x = 0; x < kWidth; ++x) { 133 int y0 = useBLOrigin ? kHeight - y - 1 : y; 134 refPixels[y * kWidth + x] = pixels[y0 * kWidth + x]; 135 } 136 } 137 138 sk_sp<GrTextureProxy> rectProxy = proxyProvider->wrapBackendTexture( 139 rectangleTex, origin, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo, kRW_GrIOType); 140 141 if (!rectProxy) { 142 ERRORF(reporter, "Error creating proxy for rectangle texture."); 143 GR_GL_CALL(glContext->gl(), DeleteTextures(1, &rectTexID)); 144 continue; 145 } 146 147 SkASSERT(rectProxy->mipMapped() == GrMipMapped::kNo); 148 SkASSERT(rectProxy->peekTexture()->texturePriv().mipMapped() == GrMipMapped::kNo); 149 150 SkASSERT(rectProxy->textureType() == GrTextureType::kRectangle); 151 SkASSERT(rectProxy->peekTexture()->texturePriv().textureType() == 152 GrTextureType::kRectangle); 153 SkASSERT(rectProxy->hasRestrictedSampling()); 154 SkASSERT(rectProxy->peekTexture()->texturePriv().hasRestrictedSampling()); 155 156 test_basic_draw_as_src(reporter, context, rectProxy, refPixels); 157 158 // Test copy to both a texture and RT 159 test_copy_from_surface(reporter, context, rectProxy.get(), refPixels, 160 false, "RectangleTexture-copy-from"); 161 162 sk_sp<GrSurfaceContext> rectContext = context->priv().makeWrappedSurfaceContext( 163 std::move(rectProxy)); 164 SkASSERT(rectContext); 165 166 test_read_pixels(reporter, rectContext.get(), refPixels, "RectangleTexture-read"); 167 168 test_copy_to_surface(reporter, context, rectContext.get(), "RectangleTexture-copy-to"); 169 170 test_write_pixels(reporter, rectContext.get(), true, "RectangleTexture-write"); 171 172 test_clear(reporter, rectContext.get()); 173 174 GR_GL_CALL(glContext->gl(), DeleteTextures(1, &rectTexID)); 175 } 176 } 177