/*!
@brief Formats error message
*/
void GSTraceFormatter::format(std::ostream &stream, util::TraceRecord &record) {
util::Exception cause;
GSExceptionRegenerator regenerator(record.namedErrorCode_, record.message_,
NULL, NULL, 0, record.causeInHandling_, NULL,
util::Exception::STACK_TRACE_NONE);
if (regenerator.getCause(cause)) {
record.cause_ = &cause;
if (record.namedErrorCode_.isEmpty()) {
record.namedErrorCode_ = regenerator.getNamedErrorCode();
}
}
u8string message;
try {
util::NormalOStringStream oss;
regenerator.formatField(oss, util::Exception::FIELD_MESSAGE);
message = oss.str();
record.message_ = message.c_str();
}
catch (std::bad_alloc &) {
record.message_ =
"(Failed to format error message by not enough memory)";
}
catch (...) {
record.message_ = "(Failed to format error message by unknown error)";
}
Base::format(stream, record);
}
void GrAtlasTextOp::onPrepareDraws(Target* target) {
auto resourceProvider = target->resourceProvider();
// if we have RGB, then we won't have any SkShaders so no need to use a localmatrix.
// TODO actually only invert if we don't have RGBA
SkMatrix localMatrix;
if (this->usesLocalCoords() && !fGeoData[0].fViewMatrix.invert(&localMatrix)) {
return;
}
GrAtlasManager* atlasManager = target->atlasManager();
GrGlyphCache* glyphCache = target->glyphCache();
GrMaskFormat maskFormat = this->maskFormat();
unsigned int numActiveProxies;
const sk_sp<GrTextureProxy>* proxies = atlasManager->getProxies(maskFormat, &numActiveProxies);
if (!proxies) {
SkDebugf("Could not allocate backing texture for atlas\n");
return;
}
SkASSERT(proxies[0]);
static constexpr int kMaxTextures = GrBitmapTextGeoProc::kMaxTextures;
GR_STATIC_ASSERT(GrDistanceFieldA8TextGeoProc::kMaxTextures == kMaxTextures);
GR_STATIC_ASSERT(GrDistanceFieldLCDTextGeoProc::kMaxTextures == kMaxTextures);
static const uint32_t kPipelineFlags = 0;
auto pipe = target->makePipeline(kPipelineFlags, std::move(fProcessors),
target->detachAppliedClip(), kMaxTextures);
for (unsigned i = 0; i < numActiveProxies; ++i) {
pipe.fFixedDynamicState->fPrimitiveProcessorTextures[i] = proxies[i].get();
}
FlushInfo flushInfo;
flushInfo.fPipeline = pipe.fPipeline;
flushInfo.fFixedDynamicState = pipe.fFixedDynamicState;
bool vmPerspective = fGeoData[0].fViewMatrix.hasPerspective();
if (this->usesDistanceFields()) {
flushInfo.fGeometryProcessor = this->setupDfProcessor(*target->caps().shaderCaps(),
proxies, numActiveProxies);
} else {
GrSamplerState samplerState = fNeedsGlyphTransform ? GrSamplerState::ClampBilerp()
: GrSamplerState::ClampNearest();
flushInfo.fGeometryProcessor = GrBitmapTextGeoProc::Make(
*target->caps().shaderCaps(), this->color(), proxies, numActiveProxies, samplerState,
maskFormat, localMatrix, vmPerspective);
}
flushInfo.fGlyphsToFlush = 0;
size_t vertexStride = GrTextBlob::GetVertexStride(maskFormat, vmPerspective);
SkASSERT(vertexStride == flushInfo.fGeometryProcessor->debugOnly_vertexStride());
int glyphCount = this->numGlyphs();
const GrBuffer* vertexBuffer;
void* vertices = target->makeVertexSpace(
vertexStride, glyphCount * kVerticesPerGlyph, &vertexBuffer, &flushInfo.fVertexOffset);
flushInfo.fVertexBuffer.reset(SkRef(vertexBuffer));
flushInfo.fIndexBuffer = target->resourceProvider()->refQuadIndexBuffer();
if (!vertices || !flushInfo.fVertexBuffer) {
SkDebugf("Could not allocate vertices\n");
return;
}
char* currVertex = reinterpret_cast<char*>(vertices);
SkExclusiveStrikePtr autoGlyphCache;
// each of these is a SubRun
for (int i = 0; i < fGeoCount; i++) {
const Geometry& args = fGeoData[i];
Blob* blob = args.fBlob;
GrTextBlob::VertexRegenerator regenerator(
resourceProvider, blob, args.fRun, args.fSubRun, args.fViewMatrix, args.fX, args.fY,
args.fColor, target->deferredUploadTarget(), glyphCache, atlasManager,
&autoGlyphCache);
bool done = false;
while (!done) {
GrTextBlob::VertexRegenerator::Result result;
if (!regenerator.regenerate(&result)) {
break;
}
done = result.fFinished;
// Copy regenerated vertices from the blob to our vertex buffer.
size_t vertexBytes = result.fGlyphsRegenerated * kVerticesPerGlyph * vertexStride;
if (args.fClipRect.isEmpty()) {
memcpy(currVertex, result.fFirstVertex, vertexBytes);
} else {
SkASSERT(!vmPerspective);
clip_quads(args.fClipRect, currVertex, result.fFirstVertex, vertexStride,
result.fGlyphsRegenerated);
}
if (fNeedsGlyphTransform && !args.fViewMatrix.isIdentity()) {
// We always do the distance field view matrix transformation after copying rather
// than during blob vertex generation time in the blob as handling successive
// arbitrary transformations would be complicated and accumulate error.
if (args.fViewMatrix.hasPerspective()) {
auto* pos = reinterpret_cast<SkPoint3*>(currVertex);
SkMatrixPriv::MapHomogeneousPointsWithStride(
args.fViewMatrix, pos, vertexStride, pos, vertexStride,
result.fGlyphsRegenerated * kVerticesPerGlyph);
} else {
auto* pos = reinterpret_cast<SkPoint*>(currVertex);
SkMatrixPriv::MapPointsWithStride(
args.fViewMatrix, pos, vertexStride,
result.fGlyphsRegenerated * kVerticesPerGlyph);
}
}
flushInfo.fGlyphsToFlush += result.fGlyphsRegenerated;
if (!result.fFinished) {
this->flush(target, &flushInfo);
}
currVertex += vertexBytes;
}
}
this->flush(target, &flushInfo);
}
