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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 "SkTypes.h"
#include "GrColor.h"
#include "GrContext.h"
#include "GrContextFactory.h"
#include "GrContextOptions.h"
#include "GrContextPriv.h"
#include "GrRenderTargetContext.h"
#include "GrTypes.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkColor.h"
#include "SkColorSpace.h"
#include "SkImageInfo.h"
#include "SkPaint.h"
#include "SkRect.h"
#include "SkRefCnt.h"
#include "SkSurface.h"
#include "Test.h"
#include <cstring>
#include <memory>
static bool check_rect(GrRenderTargetContext* rtc, const SkIRect& rect, uint32_t expectedValue,
uint32_t* actualValue, int* failX, int* failY) {
int w = rect.width();
int h = rect.height();
std::unique_ptr<uint32_t[]> pixels(new uint32_t[w * h]);
memset(pixels.get(), ~expectedValue, sizeof(uint32_t) * w * h);
SkImageInfo dstInfo = SkImageInfo::Make(w, h, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
if (!rtc->readPixels(dstInfo, pixels.get(), 0, rect.fLeft, rect.fTop)) {
return false;
}
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;
}
sk_sp<GrRenderTargetContext> newRTC(GrContext* context, int w, int h) {
return context->contextPriv().makeDeferredRenderTargetContext(
SkBackingFit::kExact, w, h,
kRGBA_8888_GrPixelConfig, nullptr);
}
static void clear_op_test(skiatest::Reporter* reporter, GrContext* context) {
static const int kW = 10;
static const int kH = 10;
SkIRect fullRect = SkIRect::MakeWH(kW, kH);
sk_sp<GrRenderTargetContext> rtContext;
// 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;
rtContext = newRTC(context, kW, kH);
SkASSERT(rtContext);
// Check a full clear
rtContext->clear(&fullRect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
if (!check_rect(rtContext.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
rtContext = newRTC(context, kW, kH);
SkASSERT(rtContext);
// Check two full clears, same color
rtContext->clear(&fullRect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
rtContext->clear(&fullRect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
if (!check_rect(rtContext.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
rtContext = newRTC(context, kW, kH);
SkASSERT(rtContext);
// Check two full clears, different colors
rtContext->clear(&fullRect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
rtContext->clear(&fullRect, kColor2, GrRenderTargetContext::CanClearFullscreen::kNo);
if (!check_rect(rtContext.get(), fullRect, kColor2, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
failX, failY);
}
rtContext = newRTC(context, kW, kH);
SkASSERT(rtContext);
// Test a full clear followed by a same color inset clear
rtContext->clear(&fullRect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
rtContext->clear(&mid1Rect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
if (!check_rect(rtContext.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
rtContext = newRTC(context, kW, kH);
SkASSERT(rtContext);
// Test a inset clear followed by same color full clear
rtContext->clear(&mid1Rect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
rtContext->clear(&fullRect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
if (!check_rect(rtContext.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
rtContext = newRTC(context, kW, kH);
SkASSERT(rtContext);
// Test a full clear followed by a different color inset clear
rtContext->clear(&fullRect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
rtContext->clear(&mid1Rect, kColor2, GrRenderTargetContext::CanClearFullscreen::kNo);
if (!check_rect(rtContext.get(), mid1Rect, kColor2, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
failX, failY);
}
if (!check_rect(rtContext.get(), outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
rtContext = newRTC(context, kW, kH);
SkASSERT(rtContext);
// Test a inset clear followed by a different full clear
rtContext->clear(&mid1Rect, kColor2, GrRenderTargetContext::CanClearFullscreen::kNo);
rtContext->clear(&fullRect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
if (!check_rect(rtContext.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
rtContext = newRTC(context, kW, kH);
SkASSERT(rtContext);
// Check three nested clears from largest to smallest where outermost and innermost are same
// color.
rtContext->clear(&fullRect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
rtContext->clear(&mid1Rect, kColor2, GrRenderTargetContext::CanClearFullscreen::kNo);
rtContext->clear(&mid2Rect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
if (!check_rect(rtContext.get(), mid2Rect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
if (!check_rect(rtContext.get(), innerLeftEdge, kColor2, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), innerTopEdge, kColor2, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), innerRightEdge, kColor2, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), innerBottomEdge, kColor2, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
failX, failY);
}
if (!check_rect(rtContext.get(), outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
rtContext = newRTC(context, kW, kH);
SkASSERT(rtContext);
// Swap the order of the second two clears in the above test.
rtContext->clear(&fullRect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
rtContext->clear(&mid2Rect, kColor1, GrRenderTargetContext::CanClearFullscreen::kNo);
rtContext->clear(&mid1Rect, kColor2, GrRenderTargetContext::CanClearFullscreen::kNo);
if (!check_rect(rtContext.get(), mid1Rect, kColor2, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
failX, failY);
}
if (!check_rect(rtContext.get(), outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(rtContext.get(), outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ClearOp, reporter, ctxInfo) {
clear_op_test(reporter, ctxInfo.grContext());
if (ctxInfo.backend() == kOpenGL_GrBackend) {
GrContextOptions options(ctxInfo.options());
options.fUseDrawInsteadOfGLClear = GrContextOptions::Enable::kYes;
sk_gpu_test::GrContextFactory workaroundFactory(options);
clear_op_test(reporter, workaroundFactory.get(ctxInfo.type()));
}
}
void fullscreen_clear_with_layer_test(skiatest::Reporter* reporter, GrContext* context) {
const SkImageInfo ii = SkImageInfo::Make(400, 77, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
sk_sp<SkSurface> surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, ii);
SkCanvas* canvas = surf->getCanvas();
SkPaint paints[2];
paints[0].setColor(SK_ColorGREEN);
paints[1].setColor(SK_ColorGRAY);
static const int kLeftX = 158;
static const int kMidX = 258;
static const int kRightX = 383;
static const int kTopY = 26;
static const int kBotY = 51;
const SkRect rects[2] = {
{ kLeftX, kTopY, kMidX, kBotY },
{ kMidX, kTopY, kRightX, kBotY },
};
for (int i = 0; i < 2; ++i) {
// the bounds parameter is required to cause a full screen clear
canvas->saveLayer(&rects[i], nullptr);
canvas->drawRect(rects[i], paints[i]);
canvas->restore();
}
SkBitmap bm;
bm.allocPixels(ii, 0);
SkAssertResult(surf->readPixels(bm, 0, 0));
bool isCorrect = true;
for (int y = kTopY; isCorrect && y < kBotY; ++y) {
const uint32_t* sl = bm.getAddr32(0, y);
for (int x = kLeftX; x < kMidX; ++x) {
if (SK_ColorGREEN != sl[x]) {
isCorrect = false;
break;
}
}
for (int x = kMidX; x < kRightX; ++x) {
if (SK_ColorGRAY != sl[x]) {
isCorrect = false;
break;
}
}
}
REPORTER_ASSERT(reporter, isCorrect);
}
// From crbug.com/768134
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(FullScreenClearWithLayers, reporter, ctxInfo) {
fullscreen_clear_with_layer_test(reporter, ctxInfo.grContext());
if (ctxInfo.backend() == kOpenGL_GrBackend) {
GrContextOptions options(ctxInfo.options());
options.fUseDrawInsteadOfGLClear = GrContextOptions::Enable::kYes;
sk_gpu_test::GrContextFactory workaroundFactory(options);
fullscreen_clear_with_layer_test(reporter, workaroundFactory.get(ctxInfo.type()));
}
}
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