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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "cc/paint/paint_op_buffer.h" |
| 6 #include "testing/gtest/include/gtest/gtest.h" |
| 7 |
| 8 namespace cc { |
| 9 |
| 10 TEST(PaintOpBufferTest, Empty) { |
| 11 PaintOpBuffer buffer; |
| 12 EXPECT_EQ(buffer.approximateOpCount(), 0); |
| 13 EXPECT_EQ(buffer.approximateBytesUsed(), 0u); |
| 14 EXPECT_EQ(PaintOpBuffer::Iterator(&buffer), false); |
| 15 |
| 16 buffer.Reset(); |
| 17 EXPECT_EQ(buffer.approximateOpCount(), 0); |
| 18 EXPECT_EQ(buffer.approximateBytesUsed(), 0u); |
| 19 EXPECT_EQ(PaintOpBuffer::Iterator(&buffer), false); |
| 20 } |
| 21 |
| 22 TEST(PaintOpBufferTest, SimpleAppend) { |
| 23 SkRect rect = SkRect::MakeXYWH(2, 3, 4, 5); |
| 24 PaintFlags flags; |
| 25 flags.setColor(SK_ColorMAGENTA); |
| 26 flags.setAlpha(100); |
| 27 SkColor draw_color = SK_ColorRED; |
| 28 SkBlendMode blend = SkBlendMode::kSrc; |
| 29 |
| 30 PaintOpBuffer buffer; |
| 31 buffer.push<SaveLayerOp>(&rect, &flags); |
| 32 buffer.push<SaveOp>(); |
| 33 buffer.push<DrawColorOp>(draw_color, blend); |
| 34 buffer.push<RestoreOp>(); |
| 35 |
| 36 EXPECT_EQ(buffer.approximateOpCount(), 4); |
| 37 |
| 38 PaintOpBuffer::Iterator iter(&buffer); |
| 39 ASSERT_EQ(iter->GetType(), PaintOpType::SaveLayer); |
| 40 SaveLayerOp* save_op = static_cast<SaveLayerOp*>(*iter); |
| 41 EXPECT_EQ(save_op->bounds, rect); |
| 42 EXPECT_TRUE(save_op->flags == flags); |
| 43 ++iter; |
| 44 |
| 45 ASSERT_EQ(iter->GetType(), PaintOpType::Save); |
| 46 ++iter; |
| 47 |
| 48 ASSERT_EQ(iter->GetType(), PaintOpType::DrawColor); |
| 49 DrawColorOp* op = static_cast<DrawColorOp*>(*iter); |
| 50 EXPECT_EQ(op->color, draw_color); |
| 51 EXPECT_EQ(op->mode, blend); |
| 52 ++iter; |
| 53 |
| 54 ASSERT_EQ(iter->GetType(), PaintOpType::Restore); |
| 55 ++iter; |
| 56 |
| 57 EXPECT_FALSE(iter); |
| 58 } |
| 59 |
| 60 // PaintOpBuffer has a special case for first ops stored locally, so |
| 61 // make sure that appending different kind of ops as a first op works |
| 62 // properly, as well as resetting and reusing the first local op. |
| 63 TEST(PaintOpBufferTest, FirstOpWithAndWithoutData) { |
| 64 PaintOpBuffer buffer; |
| 65 char text[] = "asdf"; |
| 66 |
| 67 // Use a color filter and its ref count to verify that the destructor |
| 68 // is called on ops after reset. |
| 69 PaintFlags flags; |
| 70 sk_sp<SkColorFilter> filter = |
| 71 SkColorFilter::MakeModeFilter(SK_ColorMAGENTA, SkBlendMode::kSrcOver); |
| 72 flags.setColorFilter(filter); |
| 73 EXPECT_EQ(filter->getRefCnt(), 2); |
| 74 |
| 75 buffer.push_with_data<DrawTextOp>(text, arraysize(text), 0.f, 0.f, flags); |
| 76 EXPECT_EQ(filter->getRefCnt(), 3); |
| 77 |
| 78 // Verify that when the first op has data, which may not fit in the |
| 79 // PaintRecord internal buffer, that it adds a noop as the first op |
| 80 // and then appends the "op with data" into the heap buffer. |
| 81 ASSERT_EQ(buffer.approximateOpCount(), 2); |
| 82 EXPECT_EQ(buffer.GetFirstOp()->GetType(), PaintOpType::Noop); |
| 83 |
| 84 // Verify iteration behavior and brief smoke test of op state. |
| 85 { |
| 86 PaintOpBuffer::Iterator iter(&buffer); |
| 87 PaintOp* noop = *iter; |
| 88 EXPECT_EQ(buffer.GetFirstOp(), noop); |
| 89 ++iter; |
| 90 |
| 91 PaintOp* op = *iter; |
| 92 ASSERT_EQ(op->GetType(), PaintOpType::DrawText); |
| 93 DrawTextOp* draw_text_op = static_cast<DrawTextOp*>(op); |
| 94 EXPECT_EQ(draw_text_op->bytes, arraysize(text)); |
| 95 |
| 96 void* data = paint_op_data(draw_text_op); |
| 97 EXPECT_EQ(memcmp(data, text, arraysize(text)), 0); |
| 98 |
| 99 ++iter; |
| 100 EXPECT_FALSE(iter); |
| 101 } |
| 102 |
| 103 // Reset, verify state, and append an op that will fit in the first slot. |
| 104 buffer.Reset(); |
| 105 EXPECT_EQ(filter->getRefCnt(), 2); |
| 106 |
| 107 ASSERT_EQ(buffer.approximateOpCount(), 0); |
| 108 EXPECT_EQ(PaintOpBuffer::Iterator(&buffer), false); |
| 109 |
| 110 SkRect rect = SkRect::MakeXYWH(1, 2, 3, 4); |
| 111 buffer.push<DrawRectOp>(rect, flags); |
| 112 EXPECT_EQ(filter->getRefCnt(), 3); |
| 113 |
| 114 ASSERT_EQ(buffer.approximateOpCount(), 1); |
| 115 EXPECT_EQ(buffer.GetFirstOp()->GetType(), PaintOpType::DrawRect); |
| 116 |
| 117 PaintOpBuffer::Iterator iter(&buffer); |
| 118 ASSERT_EQ(iter->GetType(), PaintOpType::DrawRect); |
| 119 DrawRectOp* draw_rect_op = static_cast<DrawRectOp*>(*iter); |
| 120 EXPECT_EQ(draw_rect_op->rect, rect); |
| 121 |
| 122 ++iter; |
| 123 EXPECT_FALSE(iter); |
| 124 |
| 125 buffer.Reset(); |
| 126 ASSERT_EQ(buffer.approximateOpCount(), 0); |
| 127 EXPECT_EQ(filter->getRefCnt(), 2); |
| 128 } |
| 129 |
| 130 // TODO(enne): test Save/restore optimization |
| 131 // TODO(enne): Blink webkit_unit_tests cover slow path counting, but should be |
| 132 // tested separately here. |
| 133 |
| 134 } // namespace cc |
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