static void check_texture(skiatest::Reporter* reporter,
GrResourceProvider* provider,
GrTextureProxy* texProxy,
SkBackingFit fit) {
GrSurfaceProxy::UniqueID idBefore = texProxy->uniqueID();
bool preinstantiated = texProxy->isInstantiated();
REPORTER_ASSERT(reporter, texProxy->instantiate(provider));
GrTexture* tex = texProxy->peekTexture();
REPORTER_ASSERT(reporter, texProxy->uniqueID() == idBefore);
// Deferred resources should always have a different ID from their instantiated texture
if (preinstantiated) {
REPORTER_ASSERT(reporter, texProxy->uniqueID().asUInt() == tex->uniqueID().asUInt());
} else {
REPORTER_ASSERT(reporter, texProxy->uniqueID().asUInt() != tex->uniqueID().asUInt());
}
if (SkBackingFit::kExact == fit) {
REPORTER_ASSERT(reporter, tex->width() == texProxy->width());
REPORTER_ASSERT(reporter, tex->height() == texProxy->height());
} else {
REPORTER_ASSERT(reporter, tex->width() >= texProxy->width());
REPORTER_ASSERT(reporter, tex->height() >= texProxy->height());
}
REPORTER_ASSERT(reporter, tex->config() == texProxy->config());
}
static void add_texture_key(GrProcessorKeyBuilder* b, const GrProcessor& proc,
const GrGLSLCaps& caps) {
int numTextures = proc.numTextures();
SkASSERT(0 == proc.numBuffers());
// Need two bytes per key (swizzle, sampler type, and precision).
int word32Count = (proc.numTextures() + 1) / 2;
if (0 == word32Count) {
return;
}
uint16_t* k16 = SkTCast<uint16_t*>(b->add32n(word32Count));
for (int i = 0; i < numTextures; ++i) {
const GrTextureAccess& access = proc.textureAccess(i);
GrTexture* texture = access.getTexture();
k16[i] = SkToU16(caps.configTextureSwizzle(texture->config()).asKey() |
(caps.samplerPrecision(texture->config(), access.getVisibility()) << 8));
}
// zero the last 16 bits if the number of textures is odd.
if (numTextures & 0x1) {
k16[numTextures] = 0;
}
}
std::unique_ptr<SkCrossContextImageData> SkCrossContextImageData::MakeFromEncoded(
GrContext* context, sk_sp<SkData> encoded, SkColorSpace* dstColorSpace) {
sk_sp<SkImage> codecImage = SkImage::MakeFromEncoded(std::move(encoded));
if (!codecImage) {
return nullptr;
}
// Some backends or drivers don't support (safely) moving resources between contexts
if (!context->caps()->crossContextTextureSupport()) {
return std::unique_ptr<SkCrossContextImageData>(
new SkCrossContextImageData(std::move(codecImage)));
}
sk_sp<SkImage> textureImage = codecImage->makeTextureImage(context, dstColorSpace);
if (!textureImage) {
// TODO: Force decode to raster here? Do mip-mapping, like getDeferredTextureImageData?
return std::unique_ptr<SkCrossContextImageData>(
new SkCrossContextImageData(std::move(codecImage)));
}
// Crack open the gpu image, extract the backend data, stick it in the SkCCID
GrTexture* texture = as_IB(textureImage)->peekTexture();
SkASSERT(texture);
GrBackendTextureDesc desc;
desc.fFlags = kNone_GrBackendTextureFlag;
desc.fOrigin = texture->origin();
desc.fWidth = texture->width();
desc.fHeight = texture->height();
desc.fConfig = texture->config();
desc.fSampleCnt = 0;
context->contextPriv().prepareSurfaceForExternalIO(as_IB(textureImage)->peekProxy());
auto textureData = texture->texturePriv().detachBackendTexture();
SkASSERT(textureData);
SkImageInfo info = as_IB(textureImage)->onImageInfo();
return std::unique_ptr<SkCrossContextImageData>(new SkCrossContextImageData(
desc, std::move(textureData), info.alphaType(), info.refColorSpace()));
}
virtual void onDraw(SkCanvas* canvas) {
SkDevice* device = canvas->getDevice();
GrRenderTarget* target = (GrRenderTarget*) device->accessRenderTarget();
GrContext* ctx = GetGr();
if (ctx && target) {
SkPMColor gTextureData[(2 * S) * (2 * S)];
static const int stride = 2 * S;
static const SkPMColor gray = SkPackARGB32(0x40, 0x40, 0x40, 0x40);
static const SkPMColor white = SkPackARGB32(0xff, 0xff, 0xff, 0xff);
static const SkPMColor red = SkPackARGB32(0x80, 0x80, 0x00, 0x00);
static const SkPMColor blue = SkPackARGB32(0x80, 0x00, 0x00, 0x80);
static const SkPMColor green = SkPackARGB32(0x80, 0x00, 0x80, 0x00);
static const SkPMColor black = SkPackARGB32(0x00, 0x00, 0x00, 0x00);
for (int i = 0; i < 2; ++i) {
int offset = 0;
// fill upper-left
for (int y = 0; y < S; ++y) {
for (int x = 0; x < S; ++x) {
gTextureData[offset + y * stride + x] = gray;
}
}
// fill upper-right
offset = S;
for (int y = 0; y < S; ++y) {
for (int x = 0; x < S; ++x) {
gTextureData[offset + y * stride + x] = white;
}
}
// fill lower left
offset = S * stride;
for (int y = 0; y < S; ++y) {
for (int x = 0; x < S; ++x) {
gTextureData[offset + y * stride + x] = black;
}
}
// fill lower right
offset = S * stride + S;
for (int y = 0; y < S; ++y) {
for (int x = 0; x < S; ++x) {
gTextureData[offset + y * stride + x] = gray;
}
}
GrTextureDesc desc;
desc.fAALevel = kNone_GrAALevel;
// use RT flag bit because in GL it makes the texture be bottom-up
desc.fFlags = i ? kRenderTarget_GrTextureFlagBit :
kNone_GrTextureFlags;
desc.fConfig = kSkia8888_PM_GrPixelConfig;
desc.fWidth = 2 * S;
desc.fHeight = 2 * S;
GrTexture* texture =
ctx->createUncachedTexture(desc, gTextureData, 0);
if (!texture) {
return;
}
GrAutoUnref au(texture);
ctx->setClip(GrRect::MakeWH(2*S, 2*S));
ctx->setRenderTarget(target);
GrPaint paint;
paint.reset();
paint.fColor = 0xffffffff;
paint.fSrcBlendCoeff = kOne_BlendCoeff;
paint.fDstBlendCoeff = kISA_BlendCoeff;
GrMatrix vm;
if (i) {
vm.setRotate(90 * SK_Scalar1,
S * SK_Scalar1,
S * SK_Scalar1);
} else {
vm.reset();
}
ctx->setMatrix(vm);
GrMatrix tm;
tm = vm;
tm.postIDiv(2*S, 2*S);
paint.textureSampler(0)->setMatrix(tm);
paint.setTexture(0, texture);
ctx->drawRect(paint, GrRect::MakeWH(2*S, 2*S));
// now update the lower right of the texture in first pass
// or upper right in second pass
offset = 0;
for (int y = 0; y < S; ++y) {
for (int x = 0; x < S; ++x) {
gTextureData[offset + y * stride + x] =
((x + y) % 2) ? (i ? green : red) : blue;
}
}
texture->writePixels(S, (i ? 0 : S), S, S,
texture->config(), gTextureData,
4 * stride);
ctx->drawRect(paint, GrRect::MakeWH(2*S, 2*S));
}
}
}
