/*
* 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/SkImageInfo.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkTypes.h"
#include "include/gpu/GrContext.h"
#include "include/gpu/GrTypes.h"
#include "include/private/GrTypesPriv.h"
#include "include/private/SkTemplates.h"
#include "src/core/SkUtils.h"
#include "src/gpu/GrCaps.h"
#include "src/gpu/GrContextPriv.h"
#include "src/gpu/GrRenderTargetContext.h"
#include "src/gpu/GrSurfaceContext.h"
#include "src/gpu/GrSurfaceProxy.h"
#include "src/gpu/GrTextureProxy.h"
#include "src/gpu/SkGr.h"
#include "tests/Test.h"
#include "tools/gpu/GrContextFactory.h"
#include "tools/gpu/ProxyUtils.h"
#include <initializer_list>
#include <utility>
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(CopySurface, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
static const int kW = 10;
static const int kH = 10;
static const size_t kRowBytes = sizeof(uint32_t) * kW;
SkAutoTMalloc<uint32_t> srcPixels(kW * kH);
for (int i = 0; i < kW * kH; ++i) {
srcPixels.get()[i] = i;
}
SkAutoTMalloc<uint32_t> dstPixels(kW * kH);
for (int i = 0; i < kW * kH; ++i) {
dstPixels.get()[i] = ~i;
}
static const SkIRect kSrcRects[] {
{ 0, 0, kW , kH },
{-1, -1, kW+1, kH+1},
{ 1, 1, kW-1, kH-1},
{ 5, 5, 6 , 6 },
};
static const SkIPoint kDstPoints[] {
{ 0 , 0 },
{ 1 , 1 },
{ kW/2, kH/4},
{ kW-1, kH-1},
{ kW , kH },
{ kW+1, kH+2},
{-1 , -1 },
};
static const SkImageInfo kImageInfos[] {
SkImageInfo::Make(kW, kH, kRGBA_8888_SkColorType, kPremul_SkAlphaType),
SkImageInfo::Make(kW, kH, kBGRA_8888_SkColorType, kPremul_SkAlphaType)
};
SkAutoTMalloc<uint32_t> read(kW * kH);
for (auto sOrigin : {kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin}) {
for (auto dOrigin : {kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin}) {
for (auto sRenderable : {GrRenderable::kYes, GrRenderable::kNo}) {
for (auto dRenderable : {GrRenderable::kYes, GrRenderable::kNo}) {
for (auto srcRect : kSrcRects) {
for (auto dstPoint : kDstPoints) {
for (auto ii: kImageInfos) {
auto src = sk_gpu_test::MakeTextureProxyFromData(
context, sRenderable, kW, kH, ii.colorType(),
ii.alphaType(), sOrigin, srcPixels.get(), kRowBytes);
auto dst = sk_gpu_test::MakeTextureProxyFromData(
context, dRenderable, kW, kH, ii.colorType(),
ii.alphaType(), dOrigin, dstPixels.get(), kRowBytes);
// Should always work if the color type is RGBA, but may not work
// for BGRA
if (ii.colorType() == kRGBA_8888_SkColorType) {
if (!src || !dst) {
ERRORF(reporter,
"Could not create surfaces for copy surface test.");
continue;
}
} else {
if (!context->defaultBackendFormat(
kBGRA_8888_SkColorType, GrRenderable::kNo).isValid()) {
continue;
}
if (!src || !dst) {
ERRORF(reporter,
"Could not create surfaces for copy surface test.");
continue;
}
}
sk_sp<GrSurfaceContext> dstContext =
context->priv().makeWrappedSurfaceContext(
std::move(dst),
SkColorTypeToGrColorType(ii.colorType()),
ii.alphaType());
bool result = false;
if (sOrigin == dOrigin) {
result = dstContext->testCopy(src.get(), srcRect, dstPoint);
} else if (dRenderable == GrRenderable::kYes) {
SkASSERT(dstContext->asRenderTargetContext());
result = dstContext->asRenderTargetContext()->blitTexture(
src.get(), srcRect, dstPoint);
}
bool expectedResult = true;
SkIPoint dstOffset = { dstPoint.fX - srcRect.fLeft,
dstPoint.fY - srcRect.fTop };
SkIRect copiedDstRect = SkIRect::MakeXYWH(dstPoint.fX,
dstPoint.fY,
srcRect.width(),
srcRect.height());
SkIRect copiedSrcRect;
if (!copiedSrcRect.intersect(srcRect, SkIRect::MakeWH(kW, kH))) {
expectedResult = false;
} else {
// If the src rect was clipped, apply same clipping to each side
// of copied dst rect.
copiedDstRect.fLeft += copiedSrcRect.fLeft - srcRect.fLeft;
copiedDstRect.fTop += copiedSrcRect.fTop - srcRect.fTop;
copiedDstRect.fRight -= copiedSrcRect.fRight - srcRect.fRight;
copiedDstRect.fBottom -= copiedSrcRect.fBottom -
srcRect.fBottom;
}
if (copiedDstRect.isEmpty() ||
!copiedDstRect.intersect(SkIRect::MakeWH(kW, kH))) {
expectedResult = false;
}
if (sOrigin != dOrigin && dRenderable == GrRenderable::kNo) {
expectedResult = false;
}
// To make the copied src rect correct we would apply any dst
// clipping back to the src rect, but we don't use it again so
// don't bother.
if (expectedResult != result) {
ERRORF(reporter, "Expected return value %d from copySurface, "
"got %d.", expectedResult, result);
continue;
}
if (!expectedResult || !result) {
continue;
}
sk_memset32(read.get(), 0, kW * kH);
if (!dstContext->readPixels(ii, read.get(), kRowBytes, {0, 0})) {
ERRORF(reporter, "Error calling readPixels");
continue;
}
bool abort = false;
// Validate that pixels inside copiedDstRect received the correct
// value from src and that those outside were not modified.
for (int y = 0; y < kH && !abort; ++y) {
for (int x = 0; x < kW; ++x) {
uint32_t r = read.get()[y * kW + x];
if (copiedDstRect.contains(x, y)) {
int sx = x - dstOffset.fX;
int sy = y - dstOffset.fY;
uint32_t s = srcPixels.get()[sy * kW + sx];
if (s != r) {
ERRORF(reporter, "Expected dst %d,%d to contain "
"0x%08x copied from src location %d,%d. Got "
"0x%08x", x, y, s, sx, sy, r);
abort = true;
break;
}
} else {
uint32_t d = dstPixels.get()[y * kW + x];
if (d != r) {
ERRORF(reporter, "Expected dst %d,%d to be "
"unmodified (0x%08x). Got 0x%08x",
x, y, d, r);
abort = true;
break;
}
}
}
}
}
}
}
}
}
}
}
}