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skia2/tests/ClearTest.cpp

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/*
* Copyright 2016 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"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "GrDrawContext.h"
#include "GrGpu.h"
#include "GrRenderTarget.h"
#include "GrTexture.h"
#include "GrTextureProvider.h"
static bool check_rect(GrDrawContext* dc, const SkIRect& rect, uint32_t expectedValue,
uint32_t* actualValue, int* failX, int* failY) {
GrRenderTarget* rt = dc->accessRenderTarget();
int w = rect.width();
int h = rect.height();
SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[w * h]);
memset(pixels.get(), ~expectedValue, sizeof(uint32_t) * w * h);
rt->readPixels(rect.fLeft, rect.fTop, w, h, kRGBA_8888_GrPixelConfig, pixels.get());
for (int y = 0; y < h; ++y) {
for (int x = 0; x < w; ++x) {
uint32_t pixel = pixels.get()[y * w + x];
if (pixel != expectedValue) {
*actualValue = pixel;
*failX = x + rect.fLeft;
*failY = y + rect.fTop;
return false;
}
}
}
return true;
}
// We only really need the DC, but currently the DC doesn't own the RT so we also ref it, but that
// could be dropped when DC is a proper owner of its RT.
static bool reset_dc(SkAutoTUnref<GrDrawContext>* dc, SkAutoTUnref<GrSurface>* rtKeepAlive,
GrContext* context, int w, int h) {
SkDEBUGCODE(uint32_t oldID = 0;)
if (*dc) {
SkDEBUGCODE(oldID = (*dc)->accessRenderTarget()->getUniqueID();)
rtKeepAlive->reset(nullptr);
dc->reset(nullptr);
}
context->freeGpuResources();
GrTextureDesc desc;
desc.fWidth = w;
desc.fHeight = h;
desc.fConfig = kRGBA_8888_GrPixelConfig;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
rtKeepAlive->reset(context->textureProvider()->createTexture(desc, SkBudgeted::kYes));
if (!(*rtKeepAlive)) {
return false;
}
GrRenderTarget* rt = (*rtKeepAlive)->asRenderTarget();
SkASSERT(rt->getUniqueID() != oldID);
dc->reset(context->drawContext(rt));
return *dc != nullptr;
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ClearBatch, reporter, ctxInfo) {
GrContext* context = ctxInfo.fGrContext;
static const int kW = 10;
static const int kH = 10;
SkIRect fullRect = SkIRect::MakeWH(kW, kH);
SkAutoTUnref<GrDrawContext> drawContext;
SkAutoTUnref<GrSurface> rtKeepAlive;
// A rectangle that is inset by one on all sides and the 1-pixel wide rectangles that surround
// it.
SkIRect mid1Rect = SkIRect::MakeXYWH(1, 1, kW-2, kH-2);
SkIRect outerLeftEdge = SkIRect::MakeXYWH(0, 0, 1, kH);
SkIRect outerTopEdge = SkIRect::MakeXYWH(0, 0, kW, 1);
SkIRect outerRightEdge = SkIRect::MakeXYWH(kW-1, 0, 1, kH);
SkIRect outerBottomEdge = SkIRect::MakeXYWH(0, kH-1, kW, 1);
// A rectangle that is inset by two on all sides and the 1-pixel wide rectangles that surround
// it.
SkIRect mid2Rect = SkIRect::MakeXYWH(2, 2, kW-4, kH-4);
SkIRect innerLeftEdge = SkIRect::MakeXYWH(1, 1, 1, kH-2);
SkIRect innerTopEdge = SkIRect::MakeXYWH(1, 1, kW-2, 1);
SkIRect innerRightEdge = SkIRect::MakeXYWH(kW-2, 1, 1, kH-2);
SkIRect innerBottomEdge = SkIRect::MakeXYWH(1, kH-2, kW-2, 1);
uint32_t actualValue;
int failX, failY;
static const GrColor kColor1 = 0xABCDEF01;
static const GrColor kColor2 = ~kColor1;
if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
ERRORF(reporter, "Could not create draw context.");
return;
}
// Check a full clear
drawContext->clear(&fullRect, kColor1, false);
if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
ERRORF(reporter, "Could not create draw context.");
return;
}
// Check two full clears, same color
drawContext->clear(&fullRect, kColor1, false);
drawContext->clear(&fullRect, kColor1, false);
if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
ERRORF(reporter, "Could not create draw context.");
return;
}
// Check two full clears, different colors
drawContext->clear(&fullRect, kColor1, false);
drawContext->clear(&fullRect, kColor2, false);
if (!check_rect(drawContext, fullRect, kColor2, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
failX, failY);
}
if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
ERRORF(reporter, "Could not create draw context.");
return;
}
// Test a full clear followed by a same color inset clear
drawContext->clear(&fullRect, kColor1, false);
drawContext->clear(&mid1Rect, kColor1, false);
if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
ERRORF(reporter, "Could not create draw context.");
return;
}
// Test a inset clear followed by same color full clear
drawContext->clear(&mid1Rect, kColor1, false);
drawContext->clear(&fullRect, kColor1, false);
if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
ERRORF(reporter, "Could not create draw context.");
return;
}
// Test a full clear followed by a different color inset clear
drawContext->clear(&fullRect, kColor1, false);
drawContext->clear(&mid1Rect, kColor2, false);
if (!check_rect(drawContext, mid1Rect, kColor2, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
failX, failY);
}
if (!check_rect(drawContext, outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(drawContext, outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(drawContext, outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(drawContext, outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
ERRORF(reporter, "Could not create draw context.");
return;
}
// Test a inset clear followed by a different full clear
drawContext->clear(&mid1Rect, kColor2, false);
drawContext->clear(&fullRect, kColor1, false);
if (!check_rect(drawContext, fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
ERRORF(reporter, "Could not create draw context.");
return;
}
// Check three nested clears from largest to smallest where outermost and innermost are same
// color.
drawContext->clear(&fullRect, kColor1, false);
drawContext->clear(&mid1Rect, kColor2, false);
drawContext->clear(&mid2Rect, kColor1, false);
if (!check_rect(drawContext, mid2Rect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
if (!check_rect(drawContext, innerLeftEdge, kColor2, &actualValue, &failX, &failY) ||
!check_rect(drawContext, innerTopEdge, kColor2, &actualValue, &failX, &failY) ||
!check_rect(drawContext, innerRightEdge, kColor2, &actualValue, &failX, &failY) ||
!check_rect(drawContext, innerBottomEdge, kColor2, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
failX, failY);
}
if (!check_rect(drawContext, outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(drawContext, outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(drawContext, outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(drawContext, outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
if (!reset_dc(&drawContext, &rtKeepAlive, context, kW, kH)) {
ERRORF(reporter, "Could not create draw context.");
return;
}
// Swap the order of the second two clears in the above test.
drawContext->clear(&fullRect, kColor1, false);
drawContext->clear(&mid2Rect, kColor1, false);
drawContext->clear(&mid1Rect, kColor2, false);
if (!check_rect(drawContext, mid1Rect, kColor2, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
failX, failY);
}
if (!check_rect(drawContext, outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(drawContext, outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(drawContext, outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(drawContext, outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
}
#endif
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