void SkARGB32_Blitter::blitH(int x, int y, int width) {
SkASSERT(x >= 0 && y >= 0 && x + width <= fDevice.width());
if (fSrcA == 0) {
return;
}
uint32_t* device = fDevice.getAddr32(x, y);
if (fSrcA == 255) {
sk_memset32(device, fPMColor, width);
} else {
uint32_t color = fPMColor;
unsigned dst_scale = SkAlpha255To256(255 - fSrcA);
uint32_t prevDst = ~device[0]; // so we always fail the test the first time
uint32_t result SK_INIT_TO_AVOID_WARNING;
for (int i = 0; i < width; i++) {
uint32_t currDst = device[i];
if (currDst != prevDst) {
result = color + SkAlphaMulQ(currDst, dst_scale);
prevDst = currDst;
}
device[i] = result;
}
}
}
void SkARGB32_Black_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[],
const int16_t runs[]) {
uint32_t* device = fDevice.getAddr32(x, y);
SkPMColor black = (SkPMColor)(SK_A32_MASK << SK_A32_SHIFT);
for (;;) {
int count = runs[0];
SkASSERT(count >= 0);
if (count <= 0) {
return;
}
unsigned aa = antialias[0];
if (aa) {
if (aa == 255) {
sk_memset32(device, black, count);
} else {
SkPMColor src = aa << SK_A32_SHIFT;
unsigned dst_scale = 256 - aa;
int n = count;
do {
--n;
device[n] = src + SkAlphaMulQ(device[n], dst_scale);
} while (n > 0);
}
}
runs += count;
antialias += count;
device += count;
}
}
void SkARGB32_Blitter::blitRect(int x, int y, int width, int height) {
SkASSERT(x >= 0 && y >= 0 && x + width <= fDevice.width() && y + height <= fDevice.height());
if (fSrcA == 0) {
return;
}
uint32_t* device = fDevice.getAddr32(x, y);
uint32_t color = fPMColor;
if (fSrcA == 255) {
while (--height >= 0) {
sk_memset32(device, color, width);
device = (uint32_t*)((char*)device + fDevice.rowBytes());
}
} else {
unsigned dst_scale = SkAlpha255To256(255 - fSrcA);
while (--height >= 0) {
uint32_t prevDst = ~device[0];
uint32_t result SK_INIT_TO_AVOID_WARNING;
for (int i = 0; i < width; i++) {
uint32_t dst = device[i];
if (dst != prevDst) {
result = color + SkAlphaMulQ(dst, dst_scale);
prevDst = dst;
}
device[i] = result;
}
device = (uint32_t*)((char*)device + fDevice.rowBytes());
}
}
}
void SkRasterPipelineBlitter::blitH(int x, int y, int w) {
fDstPtr = fDst.writable_addr(0,y);
fCurrentY = y;
if (fCanMemsetInBlitH) {
switch (fDst.shiftPerPixel()) {
case 0: memset ((uint8_t *)fDstPtr + x, fMemsetColor, w); return;
case 1: sk_memset16((uint16_t*)fDstPtr + x, fMemsetColor, w); return;
case 2: sk_memset32((uint32_t*)fDstPtr + x, fMemsetColor, w); return;
case 3: sk_memset64((uint64_t*)fDstPtr + x, fMemsetColor, w); return;
default: break;
}
}
auto& p = fBlitH;
if (p.empty()) {
p.extend(fShader);
if (fBlend != SkBlendMode::kSrc) {
this->append_load_d(&p);
this->append_blend(&p);
this->maybe_clamp(&p);
}
this->append_store(&p);
}
p.run(x,w);
}
void SkARGB32_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[],
const int16_t runs[]) {
if (fSrcA == 0) {
return;
}
uint32_t color = fPMColor;
uint32_t* device = fDevice.getAddr32(x, y);
unsigned opaqueMask = fSrcA; // if fSrcA is 0xFF, then we will catch the fast opaque case
for (;;) {
int count = runs[0];
SkASSERT(count >= 0);
if (count <= 0) {
return;
}
unsigned aa = antialias[0];
if (aa) {
if ((opaqueMask & aa) == 255) {
sk_memset32(device, color, count);
} else {
uint32_t sc = SkAlphaMulQ(color, aa);
unsigned dst_scale = 255 - SkGetPackedA32(sc);
int n = count;
do {
--n;
device[n] = sc + SkAlphaMulQ(device[n], dst_scale);
} while (n > 0);
}
}
runs += count;
antialias += count;
device += count;
}
}
void SkARGB32_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[],
const int16_t runs[]) {
if (fSrcA == 0) {
return;
}
uint32_t color = fPMColor;
uint32_t* device = fDevice.getAddr32(x, y);
unsigned opaqueMask = fSrcA; // if fSrcA is 0xFF, then we will catch the fast opaque case
for (;;) {
int count = runs[0];
SkASSERT(count >= 0);
if (count <= 0) {
return;
}
unsigned aa = antialias[0];
if (aa) {
if ((opaqueMask & aa) == 255) {
sk_memset32(device, color, count);
} else {
uint32_t sc = SkAlphaMulQ(color, SkAlpha255To256(aa));
fColor32Proc(device, device, count, sc);
}
}
runs += count;
antialias += count;
device += count;
}
}
void SkBaseDevice::drawAtlas(const SkImage* atlas, const SkRSXform xform[],
const SkRect tex[], const SkColor colors[], int quadCount,
SkBlendMode mode, const SkPaint& paint) {
const int triCount = quadCount << 1;
const int vertexCount = triCount * 3;
uint32_t flags = SkVertices::kHasTexCoords_BuilderFlag;
if (colors) {
flags |= SkVertices::kHasColors_BuilderFlag;
}
SkVertices::Builder builder(SkVertices::kTriangles_VertexMode, vertexCount, 0, flags);
SkPoint* vPos = builder.positions();
SkPoint* vTex = builder.texCoords();
SkColor* vCol = builder.colors();
for (int i = 0; i < quadCount; ++i) {
SkPoint tmp[4];
xform[i].toQuad(tex[i].width(), tex[i].height(), tmp);
vPos = quad_to_tris(vPos, tmp);
tex[i].toQuad(tmp);
vTex = quad_to_tris(vTex, tmp);
if (colors) {
sk_memset32(vCol, colors[i], 6);
vCol += 6;
}
}
SkPaint p(paint);
p.setShader(atlas->makeShader());
this->drawVertices(builder.detach().get(), mode, p);
}
static void test_read_pixels(skiatest::Reporter* reporter, SkImage* image) {
const SkPMColor expected = SkPreMultiplyColor(SK_ColorWHITE);
const SkPMColor notExpected = ~expected;
const int w = 2, h = 2;
const size_t rowBytes = w * sizeof(SkPMColor);
SkPMColor pixels[w*h];
SkImageInfo info;
info = SkImageInfo::MakeUnknown(w, h);
REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, 0));
// out-of-bounds should fail
info = SkImageInfo::MakeN32Premul(w, h);
REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, -w, 0));
REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, -h));
REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, image->width(), 0));
REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, image->height()));
// top-left should succeed
sk_memset32(pixels, notExpected, w*h);
REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, 0, 0));
REPORTER_ASSERT(reporter, has_pixels(pixels, w*h, expected));
// bottom-right should succeed
sk_memset32(pixels, notExpected, w*h);
REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes,
image->width() - w, image->height() - h));
REPORTER_ASSERT(reporter, has_pixels(pixels, w*h, expected));
// partial top-left should succeed
sk_memset32(pixels, notExpected, w*h);
REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, -1, -1));
REPORTER_ASSERT(reporter, pixels[3] == expected);
REPORTER_ASSERT(reporter, has_pixels(pixels, w*h - 1, notExpected));
// partial bottom-right should succeed
sk_memset32(pixels, notExpected, w*h);
REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes,
image->width() - 1, image->height() - 1));
REPORTER_ASSERT(reporter, pixels[0] == expected);
REPORTER_ASSERT(reporter, has_pixels(&pixels[1], w*h - 1, notExpected));
}
void drawBG(SkCanvas* canvas)
{
canvas->drawColor(0xFFDDDDDD);
return;
#if 0
SkColorTable ct;
SkPMColor colors[] = { SK_ColorRED, SK_ColorBLUE };
ct.setColors(colors, 2);
ct.setFlags(ct.getFlags() | SkColorTable::kColorsAreOpaque_Flag);
SkBitmap bm;
bm.setConfig(SkBitmap::kIndex8_Config, 20, 20, 21);
bm.setColorTable(&ct);
bm.allocPixels();
sk_memset16((uint16_t*)bm.getAddr8(0, 0), 0x0001, bm.rowBytes() * bm.height() / 2);
#endif
#if 0
SkBitmap bm;
bm.setConfig(SkBitmap::kRGB_565_Config, 20, 20, 42);
bm.allocPixels();
sk_memset32((uint32_t*)bm.getAddr16(0, 0), 0x0000FFFF, bm.rowBytes() * bm.height() / 4);
#endif
#if 1
SkBitmap bm;
bm.setConfig(SkBitmap::kARGB_8888_Config, 20, 20);
bm.allocPixels();
sk_memset32((uint32_t*)bm.getAddr32(0, 0), 0xFFDDDDDD, bm.rowBytes() * bm.height() / 4);
#endif
SkPaint paint;
// SkShader* shader = SkShader::CreateBitmapShader(bm, false, SkPaint::kBilinear_FilterType, SkShader::kRepeat_TileMode);
SkPoint pts[] = { 0, 0, SkIntToScalar(100), SkIntToScalar(0) };
SkColor colors[] = { SK_ColorBLACK, SK_ColorWHITE };
SkShader* shader = SkGradientShader::CreateLinear(pts, colors, NULL, 2, SkShader::kMirror_TileMode);
paint.setShader(shader)->unref();
canvas->drawPaint(paint);
}
template <DstType D> void src_1(const SkXfermode*, uint32_t dst[],
const SkPM4f* src, int count, const SkAlpha aa[]) {
const Sk4f s4 = src->to4f_pmorder();
if (aa) {
if (D == kLinear_Dst) {
// operate in bias-255 space for src and dst
const Sk4f& s4_255 = s4 * Sk4f(255);
while (count >= 4) {
Sk4f aa4 = SkNx_cast<float>(Sk4b::Load(aa)) * Sk4f(1/255.f);
Sk4f r0 = lerp(s4_255, to_4f(dst[0]), Sk4f(aa4[0])) + Sk4f(0.5f);
Sk4f r1 = lerp(s4_255, to_4f(dst[1]), Sk4f(aa4[1])) + Sk4f(0.5f);
Sk4f r2 = lerp(s4_255, to_4f(dst[2]), Sk4f(aa4[2])) + Sk4f(0.5f);
Sk4f r3 = lerp(s4_255, to_4f(dst[3]), Sk4f(aa4[3])) + Sk4f(0.5f);
Sk4f_ToBytes((uint8_t*)dst, r0, r1, r2, r3);
dst += 4;
aa += 4;
count -= 4;
}
} else { // kSRGB
while (count >= 4) {
Sk4f aa4 = SkNx_cast<float>(Sk4b::Load(aa)) * Sk4f(1/255.0f);
/* If we ever natively support convert 255_linear -> 255_srgb, then perhaps
* it would be faster (and possibly allow more code sharing with kLinear) to
* stay in that space.
*/
Sk4f r0 = lerp(s4, load_dst<D>(dst[0]), Sk4f(aa4[0]));
Sk4f r1 = lerp(s4, load_dst<D>(dst[1]), Sk4f(aa4[1]));
Sk4f r2 = lerp(s4, load_dst<D>(dst[2]), Sk4f(aa4[2]));
Sk4f r3 = lerp(s4, load_dst<D>(dst[3]), Sk4f(aa4[3]));
Sk4f_ToBytes((uint8_t*)dst,
linear_unit_to_srgb_255f(r0),
linear_unit_to_srgb_255f(r1),
linear_unit_to_srgb_255f(r2),
linear_unit_to_srgb_255f(r3));
dst += 4;
aa += 4;
count -= 4;
}
}
for (int i = 0; i < count; ++i) {
unsigned a = aa[i];
Sk4f d4 = load_dst<D>(dst[i]);
dst[i] = store_dst<D>(lerp(s4, d4, a));
}
} else {
sk_memset32(dst, store_dst<D>(s4), count);
}
}
void SkSampler::Fill(const SkImageInfo& info, void* dst, size_t rowBytes,
SkCodec::ZeroInitialized zeroInit) {
SkASSERT(dst != nullptr);
if (SkCodec::kYes_ZeroInitialized == zeroInit) {
return;
}
const int width = info.width();
const int numRows = info.height();
// Use the proper memset routine to fill the remaining bytes
switch (info.colorType()) {
case kRGBA_8888_SkColorType:
case kBGRA_8888_SkColorType: {
uint32_t* dstRow = (uint32_t*) dst;
for (int row = 0; row < numRows; row++) {
sk_memset32(dstRow, 0, width);
dstRow = SkTAddOffset<uint32_t>(dstRow, rowBytes);
}
break;
}
case kRGB_565_SkColorType: {
uint16_t* dstRow = (uint16_t*) dst;
for (int row = 0; row < numRows; row++) {
sk_memset16(dstRow, 0, width);
dstRow = SkTAddOffset<uint16_t>(dstRow, rowBytes);
}
break;
}
case kGray_8_SkColorType: {
uint8_t* dstRow = (uint8_t*) dst;
for (int row = 0; row < numRows; row++) {
memset(dstRow, 0, width);
dstRow = SkTAddOffset<uint8_t>(dstRow, rowBytes);
}
break;
}
case kRGBA_F16_SkColorType: {
uint64_t* dstRow = (uint64_t*) dst;
for (int row = 0; row < numRows; row++) {
sk_memset64(dstRow, 0, width);
dstRow = SkTAddOffset<uint64_t>(dstRow, rowBytes);
}
break;
}
default:
SkCodecPrintf("Error: Unsupported dst color type for fill(). Doing nothing.\n");
SkASSERT(false);
break;
}
}
static void clear_srgb(const SkXfermode*, uint32_t dst[], const SkPM4f[],
int count, const SkAlpha aa[]) {
if (aa) {
for (int i = 0; i < count; ++i) {
if (aa[i]) {
Sk4f d = Sk4f_fromS32(dst[i]) * Sk4f((255 - aa[i]) * (1/255.0f));
dst[i] = Sk4f_toS32(d);
}
}
} else {
sk_memset32(dst, 0, count);
}
}
static void test_32(skiatest::Reporter* reporter) {
uint32_t buffer[TOTAL];
for (int count = 0; count < MAX_COUNT; ++count) {
for (int alignment = 0; alignment < MAX_ALIGNMENT; ++alignment) {
set_zero(buffer, sizeof(buffer));
uint32_t* base = &buffer[PAD + alignment];
sk_memset32(base, VALUE32, count);
compare32(buffer, 0, PAD + alignment);
compare32(base, VALUE32, count);
compare32(base + count, 0, TOTAL - count - PAD - alignment);
}
}
}
static void clear_linear(const SkXfermode*, uint32_t dst[], const SkPM4f[],
int count, const SkAlpha aa[]) {
if (aa) {
for (int i = 0; i < count; ++i) {
unsigned a = aa[i];
if (a) {
SkPMColor dstC = dst[i];
SkPMColor C = 0;
if (0xFF != a) {
C = SkFourByteInterp(C, dstC, a);
}
dst[i] = C;
}
}
} else {
sk_memset32(dst, 0, count);
}
}
bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
SkPMColor ctable[], int* ctableCount) override {
REPORTER_ASSERT(fReporter, pixels != NULL);
REPORTER_ASSERT(fReporter, rowBytes >= info.minRowBytes());
if (fType != kSucceedGetPixels_TestType) {
return false;
}
if (info.colorType() != kN32_SkColorType) {
return false;
}
char* bytePtr = static_cast<char*>(pixels);
for (int y = 0; y < info.height(); ++y) {
sk_memset32(reinterpret_cast<SkColor*>(bytePtr),
TestImageGenerator::Color(), info.width());
bytePtr += rowBytes;
}
return true;
}
void xfer_pm4_proc_1(const SkXfermode::PM4fState& state, uint32_t dst[], const SkPM4f& src,
int count, const SkAlpha aa[]) {
uint32_t pm;
pm4f_to_linear_32(&pm, &src, 1);
const int N = 128;
SkPMColor tmp[N];
sk_memset32(tmp, pm, SkMin32(count, N));
while (count > 0) {
const int n = SkMin32(count, N);
state.fXfer->xfer32(dst, tmp, n, aa);
dst += n;
if (aa) {
aa += n;
}
count -= n;
}
}
static void fillRect(SkBitmap* bm, GifWord left, GifWord top, GifWord width, GifWord height,
uint32_t col)
{
int bmWidth = bm->width();
int bmHeight = bm->height();
uint32_t* dst = bm->getAddr32(left, top);
GifWord copyWidth = width;
if (left + copyWidth > bmWidth) {
copyWidth = bmWidth - left;
}
GifWord copyHeight = height;
if (top + copyHeight > bmHeight) {
copyHeight = bmHeight - top;
}
for (; copyHeight > 0; copyHeight--) {
sk_memset32(dst, col, copyWidth);
dst += bmWidth;
}
}
template <DstType D> void src_1(const SkXfermode::PM4fState& state, uint32_t dst[],
const SkPM4f& src, int count, const SkAlpha aa[]) {
const Sk4f r4 = Sk4f::Load(src.fVec); // src always overrides dst
const uint32_t r32 = store_dst<D>(r4);
if (aa) {
for (int i = 0; i < count; ++i) {
unsigned a = aa[i];
if (0 == a) {
continue;
}
if (a != 0xFF) {
Sk4f d4 = load_dst<D>(dst[i]);
dst[i] = store_dst<D>(lerp(r4, d4, a));
} else {
dst[i] = r32;
}
}
} else {
sk_memset32(dst, r32, count);
}
}
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;
}
}
}
}
}
void filterSpan(const SkPMColor shader[], int count, SkPMColor result[]) const override {
sk_memset32(result, this->getPMColor(), count);
}
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;
}
}
}
}
}
}
}
}
}
}
}
}
Error HWUISink::draw(const Src& src, SkBitmap* dst, SkWStream*, SkString*) const {
// Do all setup in this function because we don't know the size
// for the RenderNode and RenderProxy during the constructor.
// In practice this doesn't seem too expensive.
const SkISize size = src.size();
// Based on android::SurfaceTexture_init()
android::sp<android::IGraphicBufferProducer> producer;
android::sp<android::IGraphicBufferConsumer> consumer;
android::BufferQueue::createBufferQueue(&producer, &consumer);
// Consumer setup
android::sp<android::CpuConsumer> cpuConsumer =
new android::CpuConsumer(consumer, 1);
cpuConsumer->setName(android::String8("SkiaTestClient"));
cpuConsumer->setDefaultBufferSize(size.width(), size.height());
// Producer setup
android::sp<android::Surface> surface = new android::Surface(producer);
native_window_set_buffers_dimensions(surface.get(), size.width(), size.height());
native_window_set_buffers_format(surface.get(), android::PIXEL_FORMAT_RGBA_8888);
native_window_set_usage(surface.get(), GRALLOC_USAGE_SW_READ_OFTEN |
GRALLOC_USAGE_SW_WRITE_NEVER |
GRALLOC_USAGE_HW_RENDER);
// RenderNode setup based on hwui/tests/main.cpp:TreeContentAnimation
SkAutoTDelete<android::uirenderer::RenderNode> rootNode
(new android::uirenderer::RenderNode());
rootNode->incStrong(nullptr);
// Values set here won't be applied until the framework has called
// RenderNode::pushStagingPropertiesChanges() during RenderProxy::syncAndDrawFrame().
rootNode->mutateStagingProperties().setLeftTopRightBottom(0, 0, size.width(), size.height());
rootNode->setPropertyFieldsDirty(android::uirenderer::RenderNode::X |
android::uirenderer::RenderNode::Y);
rootNode->mutateStagingProperties().setClipToBounds(false);
rootNode->setPropertyFieldsDirty(android::uirenderer::RenderNode::GENERIC);
// RenderProxy setup based on hwui/tests/main.cpp:TreeContentAnimation
ContextFactory factory;
SkAutoTDelete<android::uirenderer::renderthread::RenderProxy> proxy
(new android::uirenderer::renderthread::RenderProxy(false, rootNode, &factory));
proxy->loadSystemProperties();
proxy->initialize(surface.get());
float lightX = size.width() / 2.0f;
android::uirenderer::Vector3 lightVector { lightX, dp(-200.0f), dp(800.0f) };
proxy->setup(size.width(), size.height(), lightVector, dp(800.0f), 255 * 0.075f, 255 * 0.15f,
kDensity);
// Do the draw
SkAutoTDelete<android::uirenderer::DisplayListRenderer> renderer
(new android::uirenderer::DisplayListRenderer());
renderer->setViewport(size.width(), size.height());
renderer->prepare();
renderer->clipRect(0, 0, size.width(), size.height(), SkRegion::Op::kReplace_Op);
Error err = src.draw(renderer->asSkCanvas());
if (!err.isEmpty()) {
return err;
}
renderer->finish();
rootNode->setStagingDisplayList(renderer->finishRecording());
proxy->syncAndDrawFrame();
proxy->fence();
// Capture pixels
SkImageInfo destinationConfig =
SkImageInfo::Make(size.width(), size.height(),
kRGBA_8888_SkColorType, kPremul_SkAlphaType);
dst->allocPixels(destinationConfig);
sk_memset32((uint32_t*) dst->getPixels(), SK_ColorRED, size.width() * size.height());
android::CpuConsumer::LockedBuffer nativeBuffer;
android::status_t retval = cpuConsumer->lockNextBuffer(&nativeBuffer);
if (retval == android::BAD_VALUE) {
SkDebugf("HWUISink::draw() got no buffer; returning transparent");
// No buffer ready to read - commonly triggered by dm sending us
// a no-op source, or calling code that doesn't do anything on this
// backend.
dst->eraseColor(SK_ColorTRANSPARENT);
return "";
} else if (retval) {
return SkStringPrintf("Failed to lock buffer to read pixels: %d.", retval);
}
// Move the pixels into the destination SkBitmap
SK_ALWAYSBREAK(nativeBuffer.format == android::PIXEL_FORMAT_RGBA_8888 &&
"Native buffer not RGBA!");
SkImageInfo nativeConfig =
SkImageInfo::Make(nativeBuffer.width, nativeBuffer.height,
kRGBA_8888_SkColorType, kPremul_SkAlphaType);
// Android stride is in pixels, Skia stride is in bytes
SkBitmap nativeWrapper;
bool success =
nativeWrapper.installPixels(nativeConfig, nativeBuffer.data, nativeBuffer.stride * 4);
if (!success) {
return "Failed to wrap HWUI buffer in a SkBitmap";
}
SK_ALWAYSBREAK(dst->colorType() == kRGBA_8888_SkColorType &&
"Destination buffer not RGBA!");
success =
nativeWrapper.readPixels(destinationConfig, dst->getPixels(), dst->rowBytes(), 0, 0);
if (!success) {
return "Failed to extract pixels from HWUI buffer";
}
cpuConsumer->unlockBuffer(nativeBuffer);
return "";
}
virtual void filterSpan(const SkPMColor shader[], int count,
SkPMColor result[]) {
sk_memset32(result, fPMColor, count);
}
void SkSampler::Fill(const SkImageInfo& info, void* dst, size_t rowBytes,
uint64_t colorOrIndex, SkCodec::ZeroInitialized zeroInit) {
SkASSERT(dst != nullptr);
// Calculate bytes to fill.
const size_t bytesToFill = info.computeByteSize(rowBytes);
const int width = info.width();
const int numRows = info.height();
// Use the proper memset routine to fill the remaining bytes
switch (info.colorType()) {
case kRGBA_8888_SkColorType:
case kBGRA_8888_SkColorType: {
// If memory is zero initialized, we may not need to fill
uint32_t color = (uint32_t) colorOrIndex;
if (SkCodec::kYes_ZeroInitialized == zeroInit && 0 == color) {
return;
}
uint32_t* dstRow = (uint32_t*) dst;
for (int row = 0; row < numRows; row++) {
sk_memset32((uint32_t*) dstRow, color, width);
dstRow = SkTAddOffset<uint32_t>(dstRow, rowBytes);
}
break;
}
case kRGB_565_SkColorType: {
// If the destination is k565, the caller passes in a 16-bit color.
// We will not assert that the high bits of colorOrIndex must be zeroed.
// This allows us to take advantage of the fact that the low 16 bits of an
// SKPMColor may be a valid a 565 color. For example, the low 16
// bits of SK_ColorBLACK are identical to the 565 representation
// for black.
// If memory is zero initialized, we may not need to fill
uint16_t color = (uint16_t) colorOrIndex;
if (SkCodec::kYes_ZeroInitialized == zeroInit && 0 == color) {
return;
}
uint16_t* dstRow = (uint16_t*) dst;
for (int row = 0; row < numRows; row++) {
sk_memset16((uint16_t*) dstRow, color, width);
dstRow = SkTAddOffset<uint16_t>(dstRow, rowBytes);
}
break;
}
case kGray_8_SkColorType:
// If the destination is kGray, the caller passes in an 8-bit color.
// We will not assert that the high bits of colorOrIndex must be zeroed.
// This allows us to take advantage of the fact that the low 8 bits of an
// SKPMColor may be a valid a grayscale color. For example, the low 8
// bits of SK_ColorBLACK are identical to the grayscale representation
// for black.
// If memory is zero initialized, we may not need to fill
if (SkCodec::kYes_ZeroInitialized == zeroInit && 0 == (uint8_t) colorOrIndex) {
return;
}
memset(dst, (uint8_t) colorOrIndex, bytesToFill);
break;
case kRGBA_F16_SkColorType: {
uint64_t color = colorOrIndex;
if (SkCodec::kYes_ZeroInitialized == zeroInit && 0 == color) {
return;
}
uint64_t* dstRow = (uint64_t*) dst;
for (int row = 0; row < numRows; row++) {
sk_memset64((uint64_t*) dstRow, color, width);
dstRow = SkTAddOffset<uint64_t>(dstRow, rowBytes);
}
break;
}
default:
SkCodecPrintf("Error: Unsupported dst color type for fill(). Doing nothing.\n");
SkASSERT(false);
break;
}
}
void SkColorShader::ColorShaderContext::shadeSpan(int x, int y, SkPMColor span[], int count) {
sk_memset32(span, fPMColor, count);
}
bool SkPixmap::erase(SkColor color, const SkIRect& inArea) const {
if (nullptr == fPixels) {
return false;
}
SkIRect area;
if (!area.intersect(this->bounds(), inArea)) {
return false;
}
U8CPU a = SkColorGetA(color);
U8CPU r = SkColorGetR(color);
U8CPU g = SkColorGetG(color);
U8CPU b = SkColorGetB(color);
int height = area.height();
const int width = area.width();
const int rowBytes = this->rowBytes();
switch (this->colorType()) {
case kGray_8_SkColorType: {
if (255 != a) {
r = SkMulDiv255Round(r, a);
g = SkMulDiv255Round(g, a);
b = SkMulDiv255Round(b, a);
}
int gray = SkComputeLuminance(r, g, b);
uint8_t* p = this->writable_addr8(area.fLeft, area.fTop);
while (--height >= 0) {
memset(p, gray, width);
p += rowBytes;
}
break;
}
case kAlpha_8_SkColorType: {
uint8_t* p = this->writable_addr8(area.fLeft, area.fTop);
while (--height >= 0) {
memset(p, a, width);
p += rowBytes;
}
break;
}
case kARGB_4444_SkColorType:
case kRGB_565_SkColorType: {
uint16_t* p = this->writable_addr16(area.fLeft, area.fTop);
uint16_t v;
// make rgb premultiplied
if (255 != a) {
r = SkMulDiv255Round(r, a);
g = SkMulDiv255Round(g, a);
b = SkMulDiv255Round(b, a);
}
if (kARGB_4444_SkColorType == this->colorType()) {
v = pack_8888_to_4444(a, r, g, b);
} else {
v = SkPackRGB16(r >> (8 - SK_R16_BITS),
g >> (8 - SK_G16_BITS),
b >> (8 - SK_B16_BITS));
}
while (--height >= 0) {
sk_memset16(p, v, width);
p = (uint16_t*)((char*)p + rowBytes);
}
break;
}
case kBGRA_8888_SkColorType:
case kRGBA_8888_SkColorType: {
uint32_t* p = this->writable_addr32(area.fLeft, area.fTop);
if (255 != a && kPremul_SkAlphaType == this->alphaType()) {
r = SkMulDiv255Round(r, a);
g = SkMulDiv255Round(g, a);
b = SkMulDiv255Round(b, a);
}
uint32_t v = kRGBA_8888_SkColorType == this->colorType()
? SkPackARGB_as_RGBA(a, r, g, b)
: SkPackARGB_as_BGRA(a, r, g, b);
while (--height >= 0) {
sk_memset32(p, v, width);
p = (uint32_t*)((char*)p + rowBytes);
}
break;
}
default:
return false; // no change, so don't call notifyPixelsChanged()
}
return true;
}
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;
}
}
}
}
}
}
}
}
}
}
}
// Note: SkColorTable claims to store SkPMColors, which is not necessarily
// the case here.
bool SkPngCodec::createColorTable(SkColorType dstColorType, bool premultiply, int* ctableCount) {
int numColors;
png_color* palette;
if (!png_get_PLTE(fPng_ptr, fInfo_ptr, &palette, &numColors)) {
return false;
}
// Note: These are not necessarily SkPMColors.
SkPMColor colorPtr[256];
png_bytep alphas;
int numColorsWithAlpha = 0;
if (png_get_tRNS(fPng_ptr, fInfo_ptr, &alphas, &numColorsWithAlpha, nullptr)) {
// Choose which function to use to create the color table. If the final destination's
// colortype is unpremultiplied, the color table will store unpremultiplied colors.
PackColorProc proc = choose_pack_color_proc(premultiply, dstColorType);
for (int i = 0; i < numColorsWithAlpha; i++) {
// We don't have a function in SkOpts that combines a set of alphas with a set
// of RGBs. We could write one, but it's hardly worth it, given that this
// is such a small fraction of the total decode time.
colorPtr[i] = proc(alphas[i], palette->red, palette->green, palette->blue);
palette++;
}
}
if (numColorsWithAlpha < numColors) {
// The optimized code depends on a 3-byte png_color struct with the colors
// in RGB order. These checks make sure it is safe to use.
static_assert(3 == sizeof(png_color), "png_color struct has changed. Opts are broken.");
#ifdef SK_DEBUG
SkASSERT(&palette->red < &palette->green);
SkASSERT(&palette->green < &palette->blue);
#endif
if (is_rgba(dstColorType)) {
SkOpts::RGB_to_RGB1(colorPtr + numColorsWithAlpha, palette,
numColors - numColorsWithAlpha);
} else {
SkOpts::RGB_to_BGR1(colorPtr + numColorsWithAlpha, palette,
numColors - numColorsWithAlpha);
}
}
// Pad the color table with the last color in the table (or black) in the case that
// invalid pixel indices exceed the number of colors in the table.
const int maxColors = 1 << fBitDepth;
if (numColors < maxColors) {
SkPMColor lastColor = numColors > 0 ? colorPtr[numColors - 1] : SK_ColorBLACK;
sk_memset32(colorPtr + numColors, lastColor, maxColors - numColors);
}
// Set the new color count.
if (ctableCount != nullptr) {
*ctableCount = maxColors;
}
fColorTable.reset(new SkColorTable(colorPtr, maxColors));
return true;
}
void SkGifCodec::initializeColorTable(const SkImageInfo& dstInfo, SkPMColor* inputColorPtr,
int* inputColorCount) {
// Set up our own color table
const uint32_t maxColors = 256;
SkPMColor colorPtr[256];
if (NULL != inputColorCount) {
// We set the number of colors to maxColors in order to ensure
// safe memory accesses. Otherwise, an invalid pixel could
// access memory outside of our color table array.
*inputColorCount = maxColors;
}
// Get local color table
ColorMapObject* colorMap = fGif->Image.ColorMap;
// If there is no local color table, use the global color table
if (NULL == colorMap) {
colorMap = fGif->SColorMap;
}
uint32_t colorCount = 0;
if (NULL != colorMap) {
colorCount = colorMap->ColorCount;
// giflib guarantees these properties
SkASSERT(colorCount == (unsigned) (1 << (colorMap->BitsPerPixel)));
SkASSERT(colorCount <= 256);
PackColorProc proc = choose_pack_color_proc(false, dstInfo.colorType());
for (uint32_t i = 0; i < colorCount; i++) {
colorPtr[i] = proc(0xFF, colorMap->Colors[i].Red,
colorMap->Colors[i].Green, colorMap->Colors[i].Blue);
}
}
// Fill in the color table for indices greater than color count.
// This allows for predictable, safe behavior.
if (colorCount > 0) {
// Gifs have the option to specify the color at a single index of the color
// table as transparent. If the transparent index is greater than the
// colorCount, we know that there is no valid transparent color in the color
// table. If there is not valid transparent index, we will try to use the
// backgroundIndex as the fill index. If the backgroundIndex is also not
// valid, we will let fFillIndex default to 0 (it is set to zero in the
// constructor). This behavior is not specified but matches
// SkImageDecoder_libgif.
uint32_t backgroundIndex = fGif->SBackGroundColor;
if (fTransIndex < colorCount) {
colorPtr[fTransIndex] = SK_ColorTRANSPARENT;
fFillIndex = fTransIndex;
} else if (backgroundIndex < colorCount) {
fFillIndex = backgroundIndex;
}
for (uint32_t i = colorCount; i < maxColors; i++) {
colorPtr[i] = colorPtr[fFillIndex];
}
} else {
sk_memset32(colorPtr, 0xFF000000, maxColors);
}
fColorTable.reset(new SkColorTable(colorPtr, maxColors));
copy_color_table(dstInfo, this->fColorTable, inputColorPtr, inputColorCount);
}
/**
* Fill with all zeros, which will never match any value from fill_4x4_pixels
*/
static void clear_4x4_pixels(SkPMColor colors[16]) {
sk_memset32(colors, 0, 16);
}
