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| 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 <initializer_list> |
| 9 #include "Test.h" |
| 10 |
| 11 #if SK_SUPPORT_GPU |
| 12 #include "GrContext.h" |
| 13 #include "GrTexture.h" |
| 14 #include "GrTextureProvider.h" |
| 15 |
| 16 #include "SkUtils.h" |
| 17 |
| 18 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(CopySurface, reporter, context) { |
| 19 static const int kW = 10; |
| 20 static const int kH = 10; |
| 21 static const size_t kRowBytes = sizeof(uint32_t) * kW; |
| 22 |
| 23 GrSurfaceDesc baseDesc; |
| 24 baseDesc.fConfig = kRGBA_8888_GrPixelConfig; |
| 25 baseDesc.fWidth = kW; |
| 26 baseDesc.fHeight = kH; |
| 27 |
| 28 SkAutoTMalloc<uint32_t> srcPixels(kW * kH); |
| 29 for (int i = 0; i < kW * kH; ++i) { |
| 30 srcPixels.get()[i] = i; |
| 31 } |
| 32 |
| 33 SkAutoTMalloc<uint32_t> dstPixels(kW * kH); |
| 34 for (int i = 0; i < kW * kH; ++i) { |
| 35 dstPixels.get()[i] = ~i; |
| 36 } |
| 37 |
| 38 static const SkIRect kSrcRects[] { |
| 39 { 0, 0, kW , kH }, |
| 40 {-1, -1, kW+1, kH+1}, |
| 41 { 1, 1, kW-1, kH-1}, |
| 42 { 5, 5, 6 , 6 }, |
| 43 }; |
| 44 |
| 45 static const SkIPoint kDstPoints[] { |
| 46 { 0 , 0 }, |
| 47 { 1 , 1 }, |
| 48 { kW/2, kH/4}, |
| 49 { kW-1, kH-1}, |
| 50 { kW , kH }, |
| 51 { kW+1, kH+2}, |
| 52 {-1 , -1 }, |
| 53 }; |
| 54 |
| 55 SkAutoTMalloc<uint32_t> read(kW * kH); |
| 56 |
| 57 for (auto sOrigin : {kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin})
{ |
| 58 for (auto dOrigin : {kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrig
in}) { |
| 59 for (auto sFlags: {kRenderTarget_GrSurfaceFlag, kNone_GrSurfaceFlags
}) { |
| 60 for (auto dFlags: {kRenderTarget_GrSurfaceFlag, kNone_GrSurfaceF
lags}) { |
| 61 for (auto srcRect : kSrcRects) { |
| 62 for (auto dstPoint : kDstPoints) { |
| 63 GrSurfaceDesc srcDesc = baseDesc; |
| 64 srcDesc.fOrigin = sOrigin; |
| 65 srcDesc.fFlags = sFlags; |
| 66 GrSurfaceDesc dstDesc = baseDesc; |
| 67 dstDesc.fOrigin = dOrigin; |
| 68 dstDesc.fFlags = dFlags; |
| 69 |
| 70 SkAutoTUnref<GrTexture> src( |
| 71 context->textureProvider()->createTexture(srcDes
c, false, |
| 72 srcPix
els.get(), |
| 73 kRowBy
tes)); |
| 74 SkAutoTUnref<GrTexture> dst( |
| 75 context->textureProvider()->createTexture(dstDes
c, false, |
| 76 dstPix
els.get(), |
| 77 kRowBy
tes)); |
| 78 if (!src || !dst) { |
| 79 ERRORF(reporter, |
| 80 "Could not create surfaces for copy surfa
ce test."); |
| 81 continue; |
| 82 } |
| 83 |
| 84 bool result = context->copySurface(dst, src, srcRect
, dstPoint); |
| 85 |
| 86 bool expectedResult = true; |
| 87 SkIPoint dstOffset = { dstPoint.fX - srcRect.fLeft, |
| 88 dstPoint.fY - srcRect.fTop }; |
| 89 SkIRect copiedDstRect = SkIRect::MakeXYWH(dstPoint.f
X, |
| 90 dstPoint.f
Y, |
| 91 srcRect.wi
dth(), |
| 92 srcRect.he
ight()); |
| 93 |
| 94 SkIRect copiedSrcRect; |
| 95 if (!copiedSrcRect.intersect(srcRect, SkIRect::MakeW
H(kW, kH))) { |
| 96 expectedResult = false; |
| 97 } else { |
| 98 // If the src rect was clipped, apply same clipp
ing to each side of |
| 99 // copied dst rect. |
| 100 copiedDstRect.fLeft += copiedSrcRect.fLeft - src
Rect.fLeft; |
| 101 copiedDstRect.fTop += copiedSrcRect.fTop - srcRe
ct.fTop; |
| 102 copiedDstRect.fRight -= copiedSrcRect.fRight - s
rcRect.fRight; |
| 103 copiedDstRect.fBottom -= copiedSrcRect.fBottom -
srcRect.fBottom; |
| 104 } |
| 105 if (copiedDstRect.isEmpty() || |
| 106 !copiedDstRect.intersect(SkIRect::MakeWH(kW, kH)
)) { |
| 107 expectedResult = false; |
| 108 } |
| 109 // To make the copied src rect correct we would appl
y any dst clipping |
| 110 // back to the src rect, but we don't use it again s
o don't bother. |
| 111 if (expectedResult != result) { |
| 112 ERRORF(reporter, "Expected return value %d from
copySurface, got " |
| 113 "%d.", expectedResult, result); |
| 114 continue; |
| 115 } |
| 116 |
| 117 if (!expectedResult || !result) { |
| 118 continue; |
| 119 } |
| 120 |
| 121 sk_memset32(read.get(), 0, kW * kH); |
| 122 if (!dst->readPixels(0, 0, kW, kH, baseDesc.fConfig,
read.get(), |
| 123 kRowBytes)) { |
| 124 ERRORF(reporter, "Error calling readPixels"); |
| 125 continue; |
| 126 } |
| 127 |
| 128 bool abort = false; |
| 129 // Validate that pixels inside copiedDstRect receive
d the correct value |
| 130 // from src and that those outside were not modified
. |
| 131 for (int y = 0; y < kH && !abort; ++y) { |
| 132 for (int x = 0; x < kW; ++x) { |
| 133 uint32_t r = read.get()[y * kW + x]; |
| 134 if (copiedDstRect.contains(x, y)) { |
| 135 int sx = x - dstOffset.fX; |
| 136 int sy = y - dstOffset.fY; |
| 137 uint32_t s = srcPixels.get()[sy * kW + s
x]; |
| 138 if (s != r) { |
| 139 ERRORF(reporter, "Expected dst %d,%d
to contain " |
| 140 "0x%08x copied from src locat
ion %d,%d. Got " |
| 141 "0x%08x", x, y, s, sx, sy, r)
; |
| 142 abort = true; |
| 143 break; |
| 144 } |
| 145 } else { |
| 146 uint32_t d = dstPixels.get()[y * kW + x]
; |
| 147 if (d != r) { |
| 148 ERRORF(reporter, "Expected dst %d,%d
to be unmodified (" |
| 149 "0x%08x). Got 0x%08x", x, y,
d, r); |
| 150 abort = true; |
| 151 break; |
| 152 } |
| 153 } |
| 154 } |
| 155 } |
| 156 } |
| 157 } |
| 158 } |
| 159 } |
| 160 } |
| 161 } |
| 162 } |
| 163 #endif |
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