void Bitmap::flipVertical()
{
std::vector<BYTE> srcPixels(pitch * height);
memcpy(&srcPixels[0], m_pBits, pitch * height);
BYTE *pSrcRow = 0;
BYTE *pDestRow = 0;
for (int i = 0; i < height; ++i)
{
pSrcRow = &srcPixels[(height - 1 - i) * pitch];
pDestRow = &m_pBits[i * pitch];
memcpy(pDestRow, pSrcRow, pitch);
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ApplyGamma, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
static const int kW = 256;
static const int kH = 256;
static const size_t kRowBytes = sizeof(uint32_t) * kW;
GrSurfaceDesc baseDesc;
baseDesc.fConfig = kRGBA_8888_GrPixelConfig;
baseDesc.fWidth = kW;
baseDesc.fHeight = kH;
const SkImageInfo ii = SkImageInfo::MakeN32Premul(kW, kH);
SkAutoTMalloc<uint32_t> srcPixels(kW * kH);
for (int y = 0; y < kH; ++y) {
for (int x = 0; x < kW; ++x) {
srcPixels.get()[y*kW+x] = SkPreMultiplyARGB(x, y, x, 0xFF);
}
}
SkBitmap bm;
bm.installPixels(ii, srcPixels.get(), kRowBytes);
SkAutoTMalloc<uint32_t> read(kW * kH);
// We allow more error on GPUs with lower precision shader variables.
float error = context->caps()->shaderCaps()->floatPrecisionVaries() ? 1.2f : 0.5f;
for (auto toSRGB : { false, true }) {
sk_sp<SkSurface> dst(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, ii));
if (!dst) {
ERRORF(reporter, "Could not create surfaces for copy surface test.");
continue;
}
SkCanvas* dstCanvas = dst->getCanvas();
dstCanvas->clear(SK_ColorRED);
dstCanvas->flush();
SkPaint gammaPaint;
gammaPaint.setBlendMode(SkBlendMode::kSrc);
gammaPaint.setColorFilter(toSRGB ? SkColorFilter::MakeLinearToSRGBGamma()
: SkColorFilter::MakeSRGBToLinearGamma());
dstCanvas->drawBitmap(bm, 0, 0, &gammaPaint);
dstCanvas->flush();
sk_memset32(read.get(), 0, kW * kH);
if (!dstCanvas->readPixels(ii, read.get(), kRowBytes, 0, 0)) {
ERRORF(reporter, "Error calling readPixels");
continue;
}
bool abort = false;
// Validate that pixels were copied/transformed correctly.
for (int y = 0; y < kH && !abort; ++y) {
for (int x = 0; x < kW && !abort; ++x) {
uint32_t r = read.get()[y * kW + x];
uint32_t s = srcPixels.get()[y * kW + x];
uint32_t expected;
if (!check_gamma(s, r, toSRGB, error, &expected)) {
ERRORF(reporter, "Expected dst %d,%d to contain 0x%08x "
"from src 0x%08x and mode %s. Got %08x", x, y, expected, s,
toSRGB ? "ToSRGB" : "ToLinear", r);
abort = true;
break;
}
}
}
}
}
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(), sOrigin,
srcPixels.get(), kRowBytes);
auto dst = sk_gpu_test::MakeTextureProxyFromData(
context, dRenderable, kW, kH, ii.colorType(), 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 {
GrPixelConfig config =
SkColorType2GrPixelConfig(kBGRA_8888_SkColorType);
if (!context->priv().caps()->isConfigTexturable(config)) {
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));
bool result = dstContext->copy(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;
}
// 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;
}
}
}
}
}
}
}
}
}
}
}
}
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;
GrSurfaceDesc baseDesc;
baseDesc.fConfig = kRGBA_8888_GrPixelConfig;
baseDesc.fWidth = kW;
baseDesc.fHeight = kH;
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 },
};
SkAutoTMalloc<uint32_t> read(kW * kH);
for (auto sOrigin : {kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin}) {
for (auto dOrigin : {kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin}) {
for (auto sFlags: {kRenderTarget_GrSurfaceFlag, kNone_GrSurfaceFlags}) {
for (auto dFlags: {kRenderTarget_GrSurfaceFlag, kNone_GrSurfaceFlags}) {
for (auto srcRect : kSrcRects) {
for (auto dstPoint : kDstPoints) {
GrSurfaceDesc srcDesc = baseDesc;
srcDesc.fOrigin = sOrigin;
srcDesc.fFlags = sFlags;
GrSurfaceDesc dstDesc = baseDesc;
dstDesc.fOrigin = dOrigin;
dstDesc.fFlags = dFlags;
SkAutoTUnref<GrTexture> src(
context->textureProvider()->createTexture(srcDesc, SkBudgeted::kNo,
srcPixels.get(),
kRowBytes));
SkAutoTUnref<GrTexture> dst(
context->textureProvider()->createTexture(dstDesc, SkBudgeted::kNo,
dstPixels.get(),
kRowBytes));
if (!src || !dst) {
ERRORF(reporter,
"Could not create surfaces for copy surface test.");
continue;
}
bool result = context->copySurface(dst, src, 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;
}
// 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 (!dst->readPixels(0, 0, kW, kH, baseDesc.fConfig, read.get(),
kRowBytes)) {
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;
}
}
}
}
}
}
}
}
}
}
}