Home | History | Annotate | Download | only in tests
      1 /*
      2  * Copyright 2016 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 
     10 #if SK_SUPPORT_GPU
     11 #include "GrContext.h"
     12 #include "GrDrawContext.h"
     13 #include "GrGpu.h"
     14 #include "GrRenderTarget.h"
     15 #include "GrTexture.h"
     16 #include "GrTextureProvider.h"
     17 
     18 static bool check_rect(GrDrawContext* dc, const SkIRect& rect, uint32_t expectedValue,
     19                        uint32_t* actualValue, int* failX, int* failY) {
     20     GrRenderTarget* rt = dc->accessRenderTarget();
     21     int w = rect.width();
     22     int h = rect.height();
     23     SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[w * h]);
     24     memset(pixels.get(), ~expectedValue, sizeof(uint32_t) * w * h);
     25     rt->readPixels(rect.fLeft, rect.fTop, w, h, kRGBA_8888_GrPixelConfig, pixels.get());
     26     for (int y = 0; y < h; ++y) {
     27         for (int x = 0; x < w; ++x) {
     28             uint32_t pixel = pixels.get()[y * w + x];
     29             if (pixel != expectedValue) {
     30                 *actualValue = pixel;
     31                 *failX = x + rect.fLeft;
     32                 *failY = y + rect.fTop;
     33                 return false;
     34             }
     35         }
     36     }
     37     return true;
     38 }
     39 
     40 // We only really need the DC, but currently the DC doesn't own the RT so we also ref it, but that
     41 // could be dropped when DC is a proper owner of its RT.
     42 static bool reset_dc(SkAutoTUnref<GrDrawContext>* dc, SkAutoTUnref<GrSurface>* rtKeepAlive,
     43                      GrContext* context, int w, int h) {
     44     SkDEBUGCODE(uint32_t oldID = 0;)
     45     if (*dc) {
     46         SkDEBUGCODE(oldID = (*dc)->accessRenderTarget()->getUniqueID();)
     47         rtKeepAlive->reset(nullptr);
     48         dc->reset(nullptr);
     49     }
     50     context->freeGpuResources();
     51 
     52     GrTextureDesc desc;
     53     desc.fWidth = w;
     54     desc.fHeight = h;
     55     desc.fConfig = kRGBA_8888_GrPixelConfig;
     56     desc.fFlags = kRenderTarget_GrSurfaceFlag;
     57 
     58     rtKeepAlive->reset(context->textureProvider()->createTexture(desc, SkBudgeted::kYes));
     59     if (!(*rtKeepAlive)) {
     60         return false;
     61     }
     62     GrRenderTarget* rt = (*rtKeepAlive)->asRenderTarget();
     63     SkASSERT(rt->getUniqueID() != oldID);
     64     dc->reset(context->drawContext(rt));
     65     return SkToBool(*dc);
     66 }
     67 
     68 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ClearBatch, reporter, context) {
     69     static const int kW = 10;
     70     static const int kH = 10;
     71 
     72     SkIRect fullRect = SkIRect::MakeWH(kW, kH);
     73     SkAutoTUnref<GrDrawContext> drawContext;
     74     SkAutoTUnref<GrSurface> rtKeepAlive;
     75 
     76     // A rectangle that is inset by one on all sides and the 1-pixel wide rectangles that surround
     77     // it.
     78     SkIRect mid1Rect = SkIRect::MakeXYWH(1, 1, kW-2, kH-2);
     79     SkIRect outerLeftEdge = SkIRect::MakeXYWH(0, 0, 1, kH);
     80     SkIRect outerTopEdge = SkIRect::MakeXYWH(0, 0, kW, 1);
     81     SkIRect outerRightEdge = SkIRect::MakeXYWH(kW-1, 0, 1, kH);
     82     SkIRect outerBottomEdge = SkIRect::MakeXYWH(0, kH-1, kW, 1);
     83 
     84     // A rectangle that is inset by two on all sides and the 1-pixel wide rectangles that surround
     85     // it.
     86     SkIRect mid2Rect = SkIRect::MakeXYWH(2, 2, kW-4, kH-4);
     87     SkIRect innerLeftEdge = SkIRect::MakeXYWH(1, 1, 1, kH-2);
     88     SkIRect innerTopEdge = SkIRect::MakeXYWH(1, 1, kW-2, 1);
     89     SkIRect innerRightEdge = SkIRect::MakeXYWH(kW-2, 1, 1, kH-2);
     90     SkIRect innerBottomEdge = SkIRect::MakeXYWH(1, kH-2, kW-2, 1);
     91 
     92     uint32_t actualValue;
     93     int failX, failY;
     94 
     95     static const GrColor kColor1 = 0xABCDEF01;
     96     static const GrColor kColor2 = ~kColor1;
     97 
     98     if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
     99         ERRORF(reporter, "Could not create draw context.");
    100         return;
    101     }
    102     // Check a full clear
    103     drawContext->clear(&fullRect, kColor1, false);
    104     if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
    105         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
    106                failX, failY);
    107     }
    108 
    109     if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
    110         ERRORF(reporter, "Could not create draw context.");
    111         return;
    112     }
    113     // Check two full clears, same color
    114     drawContext->clear(&fullRect, kColor1, false);
    115     drawContext->clear(&fullRect, kColor1, false);
    116     if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
    117         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
    118                failX, failY);
    119     }
    120 
    121     if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
    122         ERRORF(reporter, "Could not create draw context.");
    123         return;
    124     }
    125     // Check two full clears, different colors
    126     drawContext->clear(&fullRect, kColor1, false);
    127     drawContext->clear(&fullRect, kColor2, false);
    128     if (!check_rect(drawContext, fullRect, kColor2, &actualValue, &failX, &failY)) {
    129         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
    130                failX, failY);
    131     }
    132 
    133     if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
    134         ERRORF(reporter, "Could not create draw context.");
    135         return;
    136     }
    137     // Test a full clear followed by a same color inset clear
    138     drawContext->clear(&fullRect, kColor1, false);
    139     drawContext->clear(&mid1Rect, kColor1, false);
    140     if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
    141         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
    142                failX, failY);
    143     }
    144 
    145     if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
    146         ERRORF(reporter, "Could not create draw context.");
    147         return;
    148     }
    149     // Test a inset clear followed by same color full clear
    150     drawContext->clear(&mid1Rect, kColor1, false);
    151     drawContext->clear(&fullRect, kColor1, false);
    152     if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
    153         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
    154                failX, failY);
    155     }
    156 
    157     if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
    158         ERRORF(reporter, "Could not create draw context.");
    159         return;
    160     }
    161     // Test a full clear followed by a different color inset clear
    162     drawContext->clear(&fullRect, kColor1, false);
    163     drawContext->clear(&mid1Rect, kColor2, false);
    164     if (!check_rect(drawContext, mid1Rect, kColor2, &actualValue, &failX, &failY)) {
    165         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
    166                failX, failY);
    167     }
    168     if (!check_rect(drawContext, outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
    169         !check_rect(drawContext, outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
    170         !check_rect(drawContext, outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
    171         !check_rect(drawContext, outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
    172         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
    173                failX, failY);
    174     }
    175 
    176     if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
    177         ERRORF(reporter, "Could not create draw context.");
    178         return;
    179     }
    180     // Test a inset clear followed by a different full clear
    181     drawContext->clear(&mid1Rect, kColor2, false);
    182     drawContext->clear(&fullRect, kColor1, false);
    183     if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
    184         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
    185                failX, failY);
    186     }
    187 
    188     if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
    189         ERRORF(reporter, "Could not create draw context.");
    190         return;
    191     }
    192     // Check three nested clears from largest to smallest where outermost and innermost are same
    193     // color.
    194     drawContext->clear(&fullRect, kColor1, false);
    195     drawContext->clear(&mid1Rect, kColor2, false);
    196     drawContext->clear(&mid2Rect, kColor1, false);
    197     if (!check_rect(drawContext, mid2Rect, kColor1, &actualValue, &failX, &failY)) {
    198         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
    199                failX, failY);
    200     }
    201     if (!check_rect(drawContext, innerLeftEdge, kColor2, &actualValue, &failX, &failY) ||
    202         !check_rect(drawContext, innerTopEdge, kColor2, &actualValue, &failX, &failY) ||
    203         !check_rect(drawContext, innerRightEdge, kColor2, &actualValue, &failX, &failY) ||
    204         !check_rect(drawContext, innerBottomEdge, kColor2, &actualValue, &failX, &failY)) {
    205         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
    206                failX, failY);
    207     }
    208     if (!check_rect(drawContext, outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
    209         !check_rect(drawContext, outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
    210         !check_rect(drawContext, outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
    211         !check_rect(drawContext, outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
    212         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
    213                failX, failY);
    214     }
    215 
    216     if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
    217         ERRORF(reporter, "Could not create draw context.");
    218         return;
    219     }
    220     // Swap the order of the second two clears in the above test.
    221     drawContext->clear(&fullRect, kColor1, false);
    222     drawContext->clear(&mid2Rect, kColor1, false);
    223     drawContext->clear(&mid1Rect, kColor2, false);
    224     if (!check_rect(drawContext, mid1Rect, kColor2, &actualValue, &failX, &failY)) {
    225         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
    226                failX, failY);
    227     }
    228     if (!check_rect(drawContext, outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
    229         !check_rect(drawContext, outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
    230         !check_rect(drawContext, outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
    231         !check_rect(drawContext, outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
    232         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
    233                failX, failY);
    234     }
    235 }
    236 #endif
    237