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skia2/tests/ClearTest.cpp
Greg Daniel 719239cd69 Move all Ganesh source files into ganesh subdirectory. 
Change-Id: I238d29ba0250224fa593845ae65192653f58faff
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/528156
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
2022-04-07 21:06:50 +00:00

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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 "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSurface.h"
#include "include/core/SkTypes.h"
#include "include/gpu/GrContextOptions.h"
#include "include/gpu/GrDirectContext.h"
#include "include/private/GrTypesPriv.h"
#include "include/private/SkColorData.h"
#include "src/core/SkAutoPixmapStorage.h"
#include "src/gpu/ganesh/GrColor.h"
#include "src/gpu/ganesh/GrDirectContextPriv.h"
#include "src/gpu/ganesh/GrImageInfo.h"
#include "src/gpu/ganesh/ops/ClearOp.h"
#include "src/gpu/ganesh/v1/SurfaceDrawContext_v1.h"
#include "tests/Test.h"
#include "tools/gpu/GrContextFactory.h"
#include <cstdint>
#include <memory>
using SurfaceDrawContext = skgpu::v1::SurfaceDrawContext;
using ClearOp = skgpu::v1::ClearOp;
static bool check_rect(GrDirectContext* dContext,
SurfaceDrawContext* sdc,
const SkIRect& rect,
uint32_t expectedValue,
uint32_t* actualValue,
int* failX,
int* failY) {
int w = rect.width();
int h = rect.height();
SkImageInfo dstInfo = SkImageInfo::Make(w, h, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
SkAutoPixmapStorage readback;
readback.alloc(dstInfo);
readback.erase(~expectedValue);
if (!sdc->readPixels(dContext, readback, {rect.fLeft, rect.fTop})) {
return false;
}
for (int y = 0; y < h; ++y) {
for (int x = 0; x < w; ++x) {
uint32_t pixel = readback.addr32()[y * w + x];
if (pixel != expectedValue) {
*actualValue = pixel;
*failX = x + rect.fLeft;
*failY = y + rect.fTop;
return false;
}
}
}
return true;
}
std::unique_ptr<SurfaceDrawContext> newSDC(GrRecordingContext* rContext, int w, int h) {
return SurfaceDrawContext::Make(rContext, GrColorType::kRGBA_8888, nullptr,
SkBackingFit::kExact, {w, h}, SkSurfaceProps());
}
static void clear_op_test(skiatest::Reporter* reporter, GrDirectContext* dContext) {
static const int kW = 10;
static const int kH = 10;
SkIRect fullRect = SkIRect::MakeWH(kW, kH);
std::unique_ptr<SurfaceDrawContext> sdc;
// 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;
static const SkPMColor4f kColor1f = SkPMColor4f::FromBytes_RGBA(kColor1);
static const SkPMColor4f kColor2f = SkPMColor4f::FromBytes_RGBA(kColor2);
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
// Check a full clear
sdc->clear(fullRect, kColor1f);
if (!check_rect(dContext, sdc.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
// Check two full clears, same color
sdc->clear(fullRect, kColor1f);
sdc->clear(fullRect, kColor1f);
if (!check_rect(dContext, sdc.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
// Check two full clears, different colors
sdc->clear(fullRect, kColor1f);
sdc->clear(fullRect, kColor2f);
if (!check_rect(dContext, sdc.get(), fullRect, kColor2, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor2, actualValue,
failX, failY);
}
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
// Test a full clear followed by a same color inset clear
sdc->clear(fullRect, kColor1f);
sdc->clear(mid1Rect, kColor1f);
if (!check_rect(dContext, sdc.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
// Test a inset clear followed by same color full clear
sdc->clear(mid1Rect, kColor1f);
sdc->clear(fullRect, kColor1f);
if (!check_rect(dContext, sdc.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
// Test a full clear followed by a different color inset clear
sdc->clear(fullRect, kColor1f);
sdc->clear(mid1Rect, kColor2f);
if (!check_rect(dContext, sdc.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(dContext, sdc.get(), outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
// Test a inset clear followed by a different full clear
sdc->clear(mid1Rect, kColor2f);
sdc->clear(fullRect, kColor1f);
if (!check_rect(dContext, sdc.get(), fullRect, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
// Check three nested clears from largest to smallest where outermost and innermost are same
// color.
sdc->clear(fullRect, kColor1f);
sdc->clear(mid1Rect, kColor2f);
sdc->clear(mid2Rect, kColor1f);
if (!check_rect(dContext, sdc.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(dContext, sdc.get(), innerLeftEdge, kColor2, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), innerTopEdge, kColor2, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), innerRightEdge, kColor2, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.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(dContext, sdc.get(), outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
// Swap the order of the second two clears in the above test.
sdc->clear(fullRect, kColor1f);
sdc->clear(mid2Rect, kColor1f);
sdc->clear(mid1Rect, kColor2f);
if (!check_rect(dContext, sdc.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(dContext, sdc.get(), outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
!check_rect(dContext, sdc.get(), outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
failX, failY);
}
// Clear calls need to remain ClearOps for the following combining-tests to work as expected
if (!dContext->priv().caps()->performColorClearsAsDraws() &&
!dContext->priv().caps()->performStencilClearsAsDraws() &&
!dContext->priv().caps()->performPartialClearsAsDraws()) {
static constexpr SkIRect kScissorRect = SkIRect::MakeXYWH(1, 1, kW-1, kH-1);
// Try combining a pure-color clear w/ a combined stencil & color clear
// (re skbug.com/10963)
{
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
sdc->clearStencilClip(kScissorRect, true);
// This color clear can combine w/ the preceding stencil clear
sdc->clear(kScissorRect, SK_PMColor4fWHITE);
// This should combine w/ the prior combined clear and overwrite the color
sdc->clear(kScissorRect, SK_PMColor4fBLACK);
auto opsTask = sdc->getOpsTask();
REPORTER_ASSERT(reporter, opsTask->numOpChains() == 1);
const ClearOp& clearOp = opsTask->getChain(0)->cast<ClearOp>();
constexpr std::array<float, 4> kExpected { 0, 0, 0, 1 };
REPORTER_ASSERT(reporter, clearOp.color() == kExpected);
REPORTER_ASSERT(reporter, clearOp.stencilInsideMask());
dContext->flushAndSubmit();
}
// Try combining a pure-stencil clear w/ a combined stencil & color clear
// (re skbug.com/10963)
{
sdc = newSDC(dContext, kW, kH);
SkASSERT(sdc);
sdc->clearStencilClip(kScissorRect, true);
// This color clear can combine w/ the preceding stencil clear
sdc->clear(kScissorRect, SK_PMColor4fWHITE);
// This should combine w/ the prior combined clear and overwrite the 'insideStencilMask'
// field
sdc->clearStencilClip(kScissorRect, false);
auto opsTask = sdc->getOpsTask();
REPORTER_ASSERT(reporter, opsTask->numOpChains() == 1);
const ClearOp& clearOp = opsTask->getChain(0)->cast<ClearOp>();
constexpr std::array<float, 4> kExpected { 1, 1, 1, 1 };
REPORTER_ASSERT(reporter, clearOp.color() == kExpected);
REPORTER_ASSERT(reporter, !clearOp.stencilInsideMask());
dContext->flushAndSubmit();
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ClearOp, reporter, ctxInfo) {
// Regular clear
clear_op_test(reporter, ctxInfo.directContext());
// Force drawing for clears
GrContextOptions options(ctxInfo.options());
options.fUseDrawInsteadOfClear = 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, GrRecordingContext* rContext) {
const SkImageInfo ii = SkImageInfo::Make(400, 77, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
sk_sp<SkSurface> surf = SkSurface::MakeRenderTarget(rContext, 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) {
// Regular clear
fullscreen_clear_with_layer_test(reporter, ctxInfo.directContext());
// Use draws for clears
GrContextOptions options(ctxInfo.options());
options.fUseDrawInsteadOfClear = GrContextOptions::Enable::kYes;
sk_gpu_test::GrContextFactory workaroundFactory(options);
fullscreen_clear_with_layer_test(reporter, workaroundFactory.get(ctxInfo.type()));
}
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