void GrGLNormalPathProcessor::emitTransforms(GrGLGPBuilder* pb, const TransformsIn& tin,
TransformsOut* tout) {
tout->push_back_n(tin.count());
fInstalledTransforms.push_back_n(tin.count());
for (int i = 0; i < tin.count(); i++) {
const ProcCoords& coordTransforms = tin[i];
fInstalledTransforms[i].push_back_n(coordTransforms.count());
for (int t = 0; t < coordTransforms.count(); t++) {
GrSLType varyingType =
coordTransforms[t]->getMatrix().hasPerspective() ? kVec3f_GrSLType :
kVec2f_GrSLType;
SkString strVaryingName("MatrixCoord");
strVaryingName.appendf("_%i_%i", i, t);
GrGLVertToFrag v(varyingType);
pb->addVarying(strVaryingName.c_str(), &v);
SeparableVaryingInfo& varyingInfo = fSeparableVaryingInfos.push_back();
varyingInfo.fVariable = pb->getFragmentShaderBuilder()->fInputs.back();
varyingInfo.fLocation = fSeparableVaryingInfos.count() - 1;
varyingInfo.fType = varyingType;
fInstalledTransforms[i][t].fHandle = ShaderVarHandle(varyingInfo.fLocation);
fInstalledTransforms[i][t].fType = varyingType;
SkNEW_APPEND_TO_TARRAY(&(*tout)[i], GrGLProcessor::TransformedCoords,
(SkString(v.fsIn()), varyingType));
}
}
}
void emitTransforms(GrGLSLVaryingHandler* varyingHandler,
const TransformsIn& tin,
TransformsOut* tout) {
tout->push_back_n(tin.count());
fInstalledTransforms.push_back_n(tin.count());
for (int i = 0; i < tin.count(); i++) {
const ProcCoords& coordTransforms = tin[i];
fInstalledTransforms[i].push_back_n(coordTransforms.count());
for (int t = 0; t < coordTransforms.count(); t++) {
GrSLType varyingType =
coordTransforms[t]->getMatrix().hasPerspective() ? kVec3f_GrSLType :
kVec2f_GrSLType;
SkString strVaryingName("MatrixCoord");
strVaryingName.appendf("_%i_%i", i, t);
GrGLSLVertToFrag v(varyingType);
GrGLVaryingHandler* glVaryingHandler = (GrGLVaryingHandler*) varyingHandler;
fInstalledTransforms[i][t].fHandle =
glVaryingHandler->addPathProcessingVarying(strVaryingName.c_str(),
&v).toIndex();
fInstalledTransforms[i][t].fType = varyingType;
SkNEW_APPEND_TO_TARRAY(&(*tout)[i], GrGLSLTransformedCoords,
(SkString(v.fsIn()), varyingType));
}
}
}
void GrGLPathTexGenProgramEffects::setupPathTexGen(GrGLFragmentOnlyShaderBuilder* builder,
const GrDrawEffect& drawEffect,
TransformedCoordsArray* outCoords) {
int numTransforms = drawEffect.effect()->numTransforms();
uint32_t totalKey = GenTransformKey(drawEffect);
int texCoordIndex = builder->addTexCoordSets(numTransforms);
SkNEW_APPEND_TO_TARRAY(&fTransforms, Transforms, (totalKey, texCoordIndex));
SkString name;
for (int t = 0; t < numTransforms; ++t) {
GrSLType type = kGeneral_MatrixType == get_matrix_type(totalKey, t) ?
kVec3f_GrSLType :
kVec2f_GrSLType;
name.printf("%s(gl_TexCoord[%i])", GrGLSLTypeString(type), texCoordIndex++);
SkNEW_APPEND_TO_TARRAY(outCoords, TransformedCoords, (name, type));
}
}
void GrGLVertexProgramEffects::emitTransforms(GrGLFullShaderBuilder* builder,
const GrDrawEffect& drawEffect,
TransformedCoordsArray* outCoords) {
SkTArray<Transform, true>& transforms = fTransforms.push_back();
uint32_t totalKey = GenTransformKey(drawEffect);
int numTransforms = drawEffect.effect()->numTransforms();
transforms.push_back_n(numTransforms);
for (int t = 0; t < numTransforms; t++) {
GrSLType varyingType = kVoid_GrSLType;
const char* uniName;
switch (get_matrix_type(totalKey, t)) {
case kNoPersp_MatrixType:
uniName = "StageMatrix";
varyingType = kVec2f_GrSLType;
break;
case kGeneral_MatrixType:
uniName = "StageMatrix";
varyingType = kVec3f_GrSLType;
break;
default:
SkFAIL("Unexpected key.");
}
SkString suffixedUniName;
if (0 != t) {
suffixedUniName.append(uniName);
suffixedUniName.appendf("_%i", t);
uniName = suffixedUniName.c_str();
}
transforms[t].fHandle = builder->addUniform(GrGLShaderBuilder::kVertex_Visibility,
kMat33f_GrSLType,
uniName,
&uniName);
const char* varyingName = "MatrixCoord";
SkString suffixedVaryingName;
if (0 != t) {
suffixedVaryingName.append(varyingName);
suffixedVaryingName.appendf("_%i", t);
varyingName = suffixedVaryingName.c_str();
}
const char* vsVaryingName;
const char* fsVaryingName;
builder->addVarying(varyingType, varyingName, &vsVaryingName, &fsVaryingName);
const GrGLShaderVar& coords = kPosition_GrCoordSet == get_source_coords(totalKey, t) ?
builder->positionAttribute() :
builder->localCoordsAttribute();
// varying = matrix * coords (logically)
SkASSERT(kVec2f_GrSLType == varyingType || kVec3f_GrSLType == varyingType);
if (kVec2f_GrSLType == varyingType) {
builder->vsCodeAppendf("\t%s = (%s * vec3(%s, 1)).xy;\n",
vsVaryingName, uniName, coords.c_str());
} else {
builder->vsCodeAppendf("\t%s = %s * vec3(%s, 1);\n",
vsVaryingName, uniName, coords.c_str());
}
SkNEW_APPEND_TO_TARRAY(outCoords, TransformedCoords,
(SkString(fsVaryingName), varyingType));
}
}
void GrGLNvprProgramBuilder::emitTransforms(const GrFragmentStage& processorStage,
GrGLProcessor::TransformedCoordsArray* outCoords,
GrGLInstalledFragProc* ifp) {
const GrFragmentProcessor* effect = processorStage.getProcessor();
int numTransforms = effect->numTransforms();
ifp->fTransforms.push_back_n(numTransforms);
for (int t = 0; t < numTransforms; t++) {
GrSLType varyingType =
processorStage.isPerspectiveCoordTransform(t, false) ?
kVec3f_GrSLType :
kVec2f_GrSLType;
const char* varyingName = "MatrixCoord";
SkString suffixedVaryingName;
if (0 != t) {
suffixedVaryingName.append(varyingName);
suffixedVaryingName.appendf("_%i", t);
varyingName = suffixedVaryingName.c_str();
}
GrGLVertToFrag v(varyingType);
ifp->fTransforms[t].fHandle = this->addSeparableVarying(varyingName, &v);
ifp->fTransforms[t].fType = varyingType;
SkNEW_APPEND_TO_TARRAY(outCoords, GrGLProcessor::TransformedCoords,
(SkString(v.fsIn()), varyingType));
}
}
void GrGLPathTexGenProgramEffects::setupPathTexGen(GrGLFragmentOnlyShaderBuilder* builder,
const GrEffectRef& effect,
EffectKey effectKey,
TransformedCoordsArray* outCoords) {
int numTransforms = effect->numTransforms();
EffectKey totalKey = GrBackendEffectFactory::GetTransformKey(effectKey);
int texCoordIndex = builder->addTexCoordSets(numTransforms);
SkNEW_APPEND_TO_TARRAY(&fTransforms, Transforms, (totalKey, texCoordIndex));
SkString name;
for (int t = 0; t < numTransforms; ++t) {
GrSLType type = kGeneral_MatrixType == get_matrix_type(totalKey, t) ?
kVec3f_GrSLType :
kVec2f_GrSLType;
name.printf("%s(gl_TexCoord[%i])", GrGLSLTypeString(type), texCoordIndex++);
SkNEW_APPEND_TO_TARRAY(outCoords, TransformedCoords, (name, type));
}
}
void GrGLProgramBuilder::emitSamplers(const GrProcessor& processor,
GrGLProcessor::TextureSamplerArray* outSamplers,
GrGLInstalledProc<Proc>* ip) {
int numTextures = processor.numTextures();
ip->fSamplers.push_back_n(numTextures);
SkString name;
for (int t = 0; t < numTextures; ++t) {
name.printf("Sampler%d", t);
ip->fSamplers[t].fUniform = this->addUniform(GrGLProgramBuilder::kFragment_Visibility,
kSampler2D_GrSLType, kDefault_GrSLPrecision,
name.c_str());
SkNEW_APPEND_TO_TARRAY(outSamplers, GrGLProcessor::TextureSampler,
(ip->fSamplers[t].fUniform, processor.textureAccess(t)));
}
}
void GrGLProgramEffects::emitSamplers(GrGLShaderBuilder* builder,
const GrEffect* effect,
TextureSamplerArray* outSamplers) {
SkTArray<Sampler, true>& samplers = fSamplers.push_back();
int numTextures = effect->numTextures();
samplers.push_back_n(numTextures);
SkString name;
for (int t = 0; t < numTextures; ++t) {
name.printf("Sampler%d", t);
samplers[t].fUniform = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
kSampler2D_GrSLType,
name.c_str());
SkNEW_APPEND_TO_TARRAY(outSamplers, TextureSampler,
(samplers[t].fUniform, effect->textureAccess(t)));
}
}
void GrGLLegacyPathProcessor::emitTransforms(GrGLGPBuilder*, const TransformsIn& tin,
TransformsOut* tout) {
tout->push_back_n(tin.count());
fInstalledTransforms.push_back_n(tin.count());
for (int i = 0; i < tin.count(); i++) {
const ProcCoords& coordTransforms = tin[i];
int texCoordIndex = this->addTexCoordSets(coordTransforms.count());
// Use the first uniform location as the texcoord index.
fInstalledTransforms[i].push_back_n(1);
fInstalledTransforms[i][0].fHandle = ShaderVarHandle(texCoordIndex);
SkString name;
for (int t = 0; t < coordTransforms.count(); ++t) {
GrSLType type = coordTransforms[t]->getMatrix().hasPerspective() ? kVec3f_GrSLType :
kVec2f_GrSLType;
name.printf("%s(gl_TexCoord[%i])", GrGLSLTypeString(type), texCoordIndex++);
SkNEW_APPEND_TO_TARRAY(&(*tout)[i], GrGLProcessor::TransformedCoords, (name, type));
}
}
}
void GrGLProgramBuilder::emitSamplers(const GrProcessor& processor,
GrGLSLTextureSampler::TextureSamplerArray* outSamplers) {
int numTextures = processor.numTextures();
UniformHandle* localSamplerUniforms = fSamplerUniforms.push_back_n(numTextures);
SkString name;
for (int t = 0; t < numTextures; ++t) {
name.printf("Sampler%d", t);
GrSLType samplerType = get_sampler_type(processor.textureAccess(t));
localSamplerUniforms[t] =
fUniformHandler.addUniform(GrGLSLUniformHandler::kFragment_Visibility,
samplerType, kDefault_GrSLPrecision,
name.c_str());
SkNEW_APPEND_TO_TARRAY(outSamplers, GrGLSLTextureSampler,
(localSamplerUniforms[t], processor.textureAccess(t)));
if (kSamplerExternal_GrSLType == samplerType) {
const char* externalFeatureString = this->glslCaps()->externalTextureExtensionString();
// We shouldn't ever create a GrGLTexture that requires external sampler type
SkASSERT(externalFeatureString);
fFS.addFeature(1 << GrGLSLFragmentShaderBuilder::kExternalTexture_GLSLPrivateFeature,
externalFeatureString);
}
}
}
void GrGLGeometryProcessor::emitTransforms(GrGLGPBuilder* pb,
const GrShaderVar& posVar,
const char* localCoords,
const SkMatrix& localMatrix,
const TransformsIn& tin,
TransformsOut* tout) {
GrGLVertexBuilder* vb = pb->getVertexShaderBuilder();
tout->push_back_n(tin.count());
fInstalledTransforms.push_back_n(tin.count());
for (int i = 0; i < tin.count(); i++) {
const ProcCoords& coordTransforms = tin[i];
fInstalledTransforms[i].push_back_n(coordTransforms.count());
for (int t = 0; t < coordTransforms.count(); t++) {
SkString strUniName("StageMatrix");
strUniName.appendf("_%i_%i", i, t);
GrSLType varyingType;
GrCoordSet coordType = coordTransforms[t]->sourceCoords();
uint32_t type = coordTransforms[t]->getMatrix().getType();
if (kLocal_GrCoordSet == coordType) {
type |= localMatrix.getType();
}
varyingType = SkToBool(SkMatrix::kPerspective_Mask & type) ? kVec3f_GrSLType :
kVec2f_GrSLType;
GrSLPrecision precision = coordTransforms[t]->precision();
const char* uniName;
fInstalledTransforms[i][t].fHandle =
pb->addUniform(GrGLProgramBuilder::kVertex_Visibility,
kMat33f_GrSLType, precision,
strUniName.c_str(),
&uniName).toShaderBuilderIndex();
SkString strVaryingName("MatrixCoord");
strVaryingName.appendf("_%i_%i", i, t);
GrGLVertToFrag v(varyingType);
pb->addVarying(strVaryingName.c_str(), &v, precision);
SkASSERT(kVec2f_GrSLType == varyingType || kVec3f_GrSLType == varyingType);
SkNEW_APPEND_TO_TARRAY(&(*tout)[i], GrGLProcessor::TransformedCoords,
(SkString(v.fsIn()), varyingType));
// varying = matrix * coords (logically)
if (kDevice_GrCoordSet == coordType) {
if (kVec2f_GrSLType == varyingType) {
if (kVec2f_GrSLType == posVar.getType()) {
vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;",
v.vsOut(), uniName, posVar.c_str());
} else {
// The brackets here are just to scope the temp variable
vb->codeAppendf("{ vec3 temp = %s * %s;", uniName, posVar.c_str());
vb->codeAppendf("%s = vec2(temp.x/temp.z, temp.y/temp.z); }", v.vsOut());
}
} else {
if (kVec2f_GrSLType == posVar.getType()) {
vb->codeAppendf("%s = %s * vec3(%s, 1);",
v.vsOut(), uniName, posVar.c_str());
} else {
vb->codeAppendf("%s = %s * %s;", v.vsOut(), uniName, posVar.c_str());
}
}
} else {
if (kVec2f_GrSLType == varyingType) {
vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;", v.vsOut(), uniName, localCoords);
} else {
vb->codeAppendf("%s = %s * vec3(%s, 1);", v.vsOut(), uniName, localCoords);
}
}
}
}
}
// This test hammers the GPU textblobcache and font atlas
static void text_blob_cache_inner(skiatest::Reporter* reporter, GrContext* context,
int maxTotalText, int maxGlyphID, int maxFamilies, bool normal,
bool stressTest) {
// setup surface
uint32_t flags = 0;
SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType);
// configure our context for maximum stressing of cache and atlas
if (stressTest) {
GrTest::SetupAlwaysEvictAtlas(context);
context->setTextBlobCacheLimit_ForTesting(0);
}
SkImageInfo info = SkImageInfo::Make(kWidth, kHeight, kN32_SkColorType, kPremul_SkAlphaType);
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(context, SkSurface::kNo_Budgeted, info,
0, &props));
REPORTER_ASSERT(reporter, surface);
if (!surface) {
return;
}
SkCanvas* canvas = surface->getCanvas();
SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault());
int count = SkMin32(fm->countFamilies(), maxFamilies);
// make a ton of text
SkAutoTArray<uint16_t> text(maxTotalText);
for (int i = 0; i < maxTotalText; i++) {
text[i] = i % maxGlyphID;
}
// generate textblobs
SkTArray<TextBlobWrapper> blobs;
for (int i = 0; i < count; i++) {
SkPaint paint;
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
paint.setTextSize(48); // draw big glyphs to really stress the atlas
SkString familyName;
fm->getFamilyName(i, &familyName);
SkAutoTUnref<SkFontStyleSet> set(fm->createStyleSet(i));
for (int j = 0; j < set->count(); ++j) {
SkFontStyle fs;
set->getStyle(j, &fs, nullptr);
// We use a typeface which randomy returns unexpected mask formats to fuzz
SkAutoTUnref<SkTypeface> orig(set->createTypeface(j));
if (normal) {
paint.setTypeface(orig);
} else {
SkAutoTUnref<SkTypeface> typeface(new SkRandomTypeface(orig, paint, true));
paint.setTypeface(typeface);
}
SkTextBlobBuilder builder;
for (int aa = 0; aa < 2; aa++) {
for (int subpixel = 0; subpixel < 2; subpixel++) {
for (int lcd = 0; lcd < 2; lcd++) {
paint.setAntiAlias(SkToBool(aa));
paint.setSubpixelText(SkToBool(subpixel));
paint.setLCDRenderText(SkToBool(lcd));
if (!SkToBool(lcd)) {
paint.setTextSize(160);
}
const SkTextBlobBuilder::RunBuffer& run = builder.allocRun(paint,
maxTotalText,
0, 0,
nullptr);
memcpy(run.glyphs, text.get(), maxTotalText * sizeof(uint16_t));
}
}
}
SkNEW_APPEND_TO_TARRAY(&blobs, TextBlobWrapper, (builder.build()));
}
}
// create surface where LCD is impossible
info = SkImageInfo::MakeN32Premul(kWidth, kHeight);
SkSurfaceProps propsNoLCD(0, kUnknown_SkPixelGeometry);
SkAutoTUnref<SkSurface> surfaceNoLCD(canvas->newSurface(info, &propsNoLCD));
REPORTER_ASSERT(reporter, surface);
if (!surface) {
return;
}
SkCanvas* canvasNoLCD = surfaceNoLCD->getCanvas();
// test redraw
draw(canvas, 2, blobs);
draw(canvasNoLCD, 2, blobs);
// test draw after free
context->freeGpuResources();
draw(canvas, 1, blobs);
context->freeGpuResources();
draw(canvasNoLCD, 1, blobs);
// test draw after abandon
context->abandonContext();
draw(canvas, 1, blobs);
}
GrPipeline::GrPipeline(const GrPipelineBuilder& pipelineBuilder,
const GrProcOptInfo& colorPOI,
const GrProcOptInfo& coveragePOI,
const GrDrawTargetCaps& caps,
const GrScissorState& scissorState,
const GrDeviceCoordTexture* dstCopy) {
// Create XferProcessor from DS's XPFactory
SkAutoTUnref<GrXferProcessor> xferProcessor(
pipelineBuilder.getXPFactory()->createXferProcessor(colorPOI, coveragePOI, dstCopy, caps));
GrColor overrideColor = GrColor_ILLEGAL;
if (colorPOI.firstEffectiveStageIndex() != 0) {
overrideColor = colorPOI.inputColorToEffectiveStage();
}
GrXferProcessor::OptFlags optFlags;
if (xferProcessor) {
fXferProcessor.reset(xferProcessor.get());
optFlags = xferProcessor->getOptimizations(colorPOI,
coveragePOI,
pipelineBuilder.getStencil().doesWrite(),
&overrideColor,
caps);
}
// When path rendering the stencil settings are not always set on the GrPipelineBuilder
// so we must check the draw type. In cases where we will skip drawing we simply return a
// null GrPipeline.
if (!xferProcessor || (GrXferProcessor::kSkipDraw_OptFlag & optFlags)) {
// Set the fields that don't default init and return. The lack of a render target will
// indicate that this can be skipped.
fFlags = 0;
fDrawFace = GrPipelineBuilder::kInvalid_DrawFace;
return;
}
fRenderTarget.reset(pipelineBuilder.fRenderTarget.get());
SkASSERT(fRenderTarget);
fScissorState = scissorState;
fStencilSettings = pipelineBuilder.getStencil();
fDrawFace = pipelineBuilder.getDrawFace();
fFlags = 0;
if (pipelineBuilder.isHWAntialias()) {
fFlags |= kHWAA_Flag;
}
if (pipelineBuilder.isDither()) {
fFlags |= kDither_Flag;
}
if (pipelineBuilder.snapVerticesToPixelCenters()) {
fFlags |= kSnapVertices_Flag;
}
int firstColorStageIdx = colorPOI.firstEffectiveStageIndex();
// TODO: Once we can handle single or four channel input into coverage stages then we can use
// GrPipelineBuilder's coverageProcInfo (like color above) to set this initial information.
int firstCoverageStageIdx = 0;
this->adjustProgramFromOptimizations(pipelineBuilder, optFlags, colorPOI, coveragePOI,
&firstColorStageIdx, &firstCoverageStageIdx);
bool usesLocalCoords = false;
// Copy Stages from PipelineBuilder to Pipeline
for (int i = firstColorStageIdx; i < pipelineBuilder.numColorFragmentStages(); ++i) {
SkNEW_APPEND_TO_TARRAY(&fFragmentStages,
GrPendingFragmentStage,
(pipelineBuilder.fColorStages[i]));
usesLocalCoords = usesLocalCoords ||
pipelineBuilder.fColorStages[i].processor()->usesLocalCoords();
}
fNumColorStages = fFragmentStages.count();
for (int i = firstCoverageStageIdx; i < pipelineBuilder.numCoverageFragmentStages(); ++i) {
SkNEW_APPEND_TO_TARRAY(&fFragmentStages,
GrPendingFragmentStage,
(pipelineBuilder.fCoverageStages[i]));
usesLocalCoords = usesLocalCoords ||
pipelineBuilder.fCoverageStages[i].processor()->usesLocalCoords();
}
// let the GP init the batch tracker
fInitBT.fColorIgnored = SkToBool(optFlags & GrXferProcessor::kIgnoreColor_OptFlag);
fInitBT.fOverrideColor = fInitBT.fColorIgnored ? GrColor_ILLEGAL : overrideColor;
fInitBT.fCoverageIgnored = SkToBool(optFlags & GrXferProcessor::kIgnoreCoverage_OptFlag);
fInitBT.fUsesLocalCoords = usesLocalCoords;
fInitBT.fCanTweakAlphaForCoverage =
SkToBool(optFlags & GrXferProcessor::kCanTweakAlphaForCoverage_OptFlag);
}
