| /* | |
| * Copyright 2010 Google Inc. | |
| * | |
| * Use of this source code is governed by a BSD-style license that can be | |
| * found in the LICENSE file. | |
| */ | |
| #include "GrDrawTarget.h" | |
| #include "GrContext.h" | |
| #include "GrDrawTargetCaps.h" | |
| #include "GrPath.h" | |
| #include "GrRenderTarget.h" | |
| #include "GrTemplates.h" | |
| #include "GrTexture.h" | |
| #include "GrVertexBuffer.h" | |
| #include "SkStrokeRec.h" | |
| //////////////////////////////////////////////////////////////////////////////// | |
| GrDrawTarget::DrawInfo& GrDrawTarget::DrawInfo::operator =(const DrawInfo& di) { | |
| fPrimitiveType = di.fPrimitiveType; | |
| fStartVertex = di.fStartVertex; | |
| fStartIndex = di.fStartIndex; | |
| fVertexCount = di.fVertexCount; | |
| fIndexCount = di.fIndexCount; | |
| fInstanceCount = di.fInstanceCount; | |
| fVerticesPerInstance = di.fVerticesPerInstance; | |
| fIndicesPerInstance = di.fIndicesPerInstance; | |
| if (NULL != di.fDevBounds) { | |
| SkASSERT(di.fDevBounds == &di.fDevBoundsStorage); | |
| fDevBoundsStorage = di.fDevBoundsStorage; | |
| fDevBounds = &fDevBoundsStorage; | |
| } else { | |
| fDevBounds = NULL; | |
| } | |
| fDstCopy = di.fDstCopy; | |
| return *this; | |
| } | |
| #ifdef SK_DEBUG | |
| bool GrDrawTarget::DrawInfo::isInstanced() const { | |
| if (fInstanceCount > 0) { | |
| SkASSERT(0 == fIndexCount % fIndicesPerInstance); | |
| SkASSERT(0 == fVertexCount % fVerticesPerInstance); | |
| SkASSERT(fIndexCount / fIndicesPerInstance == fInstanceCount); | |
| SkASSERT(fVertexCount / fVerticesPerInstance == fInstanceCount); | |
| // there is no way to specify a non-zero start index to drawIndexedInstances(). | |
| SkASSERT(0 == fStartIndex); | |
| return true; | |
| } else { | |
| SkASSERT(!fVerticesPerInstance); | |
| SkASSERT(!fIndicesPerInstance); | |
| return false; | |
| } | |
| } | |
| #endif | |
| void GrDrawTarget::DrawInfo::adjustInstanceCount(int instanceOffset) { | |
| SkASSERT(this->isInstanced()); | |
| SkASSERT(instanceOffset + fInstanceCount >= 0); | |
| fInstanceCount += instanceOffset; | |
| fVertexCount = fVerticesPerInstance * fInstanceCount; | |
| fIndexCount = fIndicesPerInstance * fInstanceCount; | |
| } | |
| void GrDrawTarget::DrawInfo::adjustStartVertex(int vertexOffset) { | |
| fStartVertex += vertexOffset; | |
| SkASSERT(fStartVertex >= 0); | |
| } | |
| void GrDrawTarget::DrawInfo::adjustStartIndex(int indexOffset) { | |
| SkASSERT(this->isIndexed()); | |
| fStartIndex += indexOffset; | |
| SkASSERT(fStartIndex >= 0); | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| #define DEBUG_INVAL_BUFFER 0xdeadcafe | |
| #define DEBUG_INVAL_START_IDX -1 | |
| GrDrawTarget::GrDrawTarget(GrContext* context) | |
| : fClip(NULL) | |
| , fContext(context) | |
| , fGpuTraceMarkerCount(0) { | |
| SkASSERT(NULL != context); | |
| fDrawState = &fDefaultDrawState; | |
| // We assume that fDrawState always owns a ref to the object it points at. | |
| fDefaultDrawState.ref(); | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.push_back(); | |
| #ifdef SK_DEBUG | |
| geoSrc.fVertexCount = DEBUG_INVAL_START_IDX; | |
| geoSrc.fVertexBuffer = (GrVertexBuffer*)DEBUG_INVAL_BUFFER; | |
| geoSrc.fIndexCount = DEBUG_INVAL_START_IDX; | |
| geoSrc.fIndexBuffer = (GrIndexBuffer*)DEBUG_INVAL_BUFFER; | |
| #endif | |
| geoSrc.fVertexSrc = kNone_GeometrySrcType; | |
| geoSrc.fIndexSrc = kNone_GeometrySrcType; | |
| } | |
| GrDrawTarget::~GrDrawTarget() { | |
| SkASSERT(1 == fGeoSrcStateStack.count()); | |
| SkDEBUGCODE(GeometrySrcState& geoSrc = fGeoSrcStateStack.back()); | |
| SkASSERT(kNone_GeometrySrcType == geoSrc.fIndexSrc); | |
| SkASSERT(kNone_GeometrySrcType == geoSrc.fVertexSrc); | |
| fDrawState->unref(); | |
| } | |
| void GrDrawTarget::releaseGeometry() { | |
| int popCnt = fGeoSrcStateStack.count() - 1; | |
| while (popCnt) { | |
| this->popGeometrySource(); | |
| --popCnt; | |
| } | |
| this->resetVertexSource(); | |
| this->resetIndexSource(); | |
| } | |
| void GrDrawTarget::setClip(const GrClipData* clip) { | |
| clipWillBeSet(clip); | |
| fClip = clip; | |
| } | |
| const GrClipData* GrDrawTarget::getClip() const { | |
| return fClip; | |
| } | |
| void GrDrawTarget::setDrawState(GrDrawState* drawState) { | |
| SkASSERT(NULL != fDrawState); | |
| if (NULL == drawState) { | |
| drawState = &fDefaultDrawState; | |
| } | |
| if (fDrawState != drawState) { | |
| fDrawState->unref(); | |
| drawState->ref(); | |
| fDrawState = drawState; | |
| } | |
| } | |
| bool GrDrawTarget::reserveVertexSpace(size_t vertexSize, | |
| int vertexCount, | |
| void** vertices) { | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| bool acquired = false; | |
| if (vertexCount > 0) { | |
| SkASSERT(NULL != vertices); | |
| this->releasePreviousVertexSource(); | |
| geoSrc.fVertexSrc = kNone_GeometrySrcType; | |
| acquired = this->onReserveVertexSpace(vertexSize, | |
| vertexCount, | |
| vertices); | |
| } | |
| if (acquired) { | |
| geoSrc.fVertexSrc = kReserved_GeometrySrcType; | |
| geoSrc.fVertexCount = vertexCount; | |
| geoSrc.fVertexSize = vertexSize; | |
| } else if (NULL != vertices) { | |
| *vertices = NULL; | |
| } | |
| return acquired; | |
| } | |
| bool GrDrawTarget::reserveIndexSpace(int indexCount, | |
| void** indices) { | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| bool acquired = false; | |
| if (indexCount > 0) { | |
| SkASSERT(NULL != indices); | |
| this->releasePreviousIndexSource(); | |
| geoSrc.fIndexSrc = kNone_GeometrySrcType; | |
| acquired = this->onReserveIndexSpace(indexCount, indices); | |
| } | |
| if (acquired) { | |
| geoSrc.fIndexSrc = kReserved_GeometrySrcType; | |
| geoSrc.fIndexCount = indexCount; | |
| } else if (NULL != indices) { | |
| *indices = NULL; | |
| } | |
| return acquired; | |
| } | |
| bool GrDrawTarget::reserveVertexAndIndexSpace(int vertexCount, | |
| int indexCount, | |
| void** vertices, | |
| void** indices) { | |
| size_t vertexSize = this->drawState()->getVertexSize(); | |
| this->willReserveVertexAndIndexSpace(vertexCount, indexCount); | |
| if (vertexCount) { | |
| if (!this->reserveVertexSpace(vertexSize, vertexCount, vertices)) { | |
| if (indexCount) { | |
| this->resetIndexSource(); | |
| } | |
| return false; | |
| } | |
| } | |
| if (indexCount) { | |
| if (!this->reserveIndexSpace(indexCount, indices)) { | |
| if (vertexCount) { | |
| this->resetVertexSource(); | |
| } | |
| return false; | |
| } | |
| } | |
| return true; | |
| } | |
| bool GrDrawTarget::geometryHints(int32_t* vertexCount, | |
| int32_t* indexCount) const { | |
| if (NULL != vertexCount) { | |
| *vertexCount = -1; | |
| } | |
| if (NULL != indexCount) { | |
| *indexCount = -1; | |
| } | |
| return false; | |
| } | |
| void GrDrawTarget::releasePreviousVertexSource() { | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| switch (geoSrc.fVertexSrc) { | |
| case kNone_GeometrySrcType: | |
| break; | |
| case kArray_GeometrySrcType: | |
| this->releaseVertexArray(); | |
| break; | |
| case kReserved_GeometrySrcType: | |
| this->releaseReservedVertexSpace(); | |
| break; | |
| case kBuffer_GeometrySrcType: | |
| geoSrc.fVertexBuffer->unref(); | |
| #ifdef SK_DEBUG | |
| geoSrc.fVertexBuffer = (GrVertexBuffer*)DEBUG_INVAL_BUFFER; | |
| #endif | |
| break; | |
| default: | |
| SkFAIL("Unknown Vertex Source Type."); | |
| break; | |
| } | |
| } | |
| void GrDrawTarget::releasePreviousIndexSource() { | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| switch (geoSrc.fIndexSrc) { | |
| case kNone_GeometrySrcType: // these two don't require | |
| break; | |
| case kArray_GeometrySrcType: | |
| this->releaseIndexArray(); | |
| break; | |
| case kReserved_GeometrySrcType: | |
| this->releaseReservedIndexSpace(); | |
| break; | |
| case kBuffer_GeometrySrcType: | |
| geoSrc.fIndexBuffer->unref(); | |
| #ifdef SK_DEBUG | |
| geoSrc.fIndexBuffer = (GrIndexBuffer*)DEBUG_INVAL_BUFFER; | |
| #endif | |
| break; | |
| default: | |
| SkFAIL("Unknown Index Source Type."); | |
| break; | |
| } | |
| } | |
| void GrDrawTarget::setVertexSourceToArray(const void* vertexArray, | |
| int vertexCount) { | |
| this->releasePreviousVertexSource(); | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| geoSrc.fVertexSrc = kArray_GeometrySrcType; | |
| geoSrc.fVertexSize = this->drawState()->getVertexSize(); | |
| geoSrc.fVertexCount = vertexCount; | |
| this->onSetVertexSourceToArray(vertexArray, vertexCount); | |
| } | |
| void GrDrawTarget::setIndexSourceToArray(const void* indexArray, | |
| int indexCount) { | |
| this->releasePreviousIndexSource(); | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| geoSrc.fIndexSrc = kArray_GeometrySrcType; | |
| geoSrc.fIndexCount = indexCount; | |
| this->onSetIndexSourceToArray(indexArray, indexCount); | |
| } | |
| void GrDrawTarget::setVertexSourceToBuffer(const GrVertexBuffer* buffer) { | |
| this->releasePreviousVertexSource(); | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| geoSrc.fVertexSrc = kBuffer_GeometrySrcType; | |
| geoSrc.fVertexBuffer = buffer; | |
| buffer->ref(); | |
| geoSrc.fVertexSize = this->drawState()->getVertexSize(); | |
| } | |
| void GrDrawTarget::setIndexSourceToBuffer(const GrIndexBuffer* buffer) { | |
| this->releasePreviousIndexSource(); | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| geoSrc.fIndexSrc = kBuffer_GeometrySrcType; | |
| geoSrc.fIndexBuffer = buffer; | |
| buffer->ref(); | |
| } | |
| void GrDrawTarget::resetVertexSource() { | |
| this->releasePreviousVertexSource(); | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| geoSrc.fVertexSrc = kNone_GeometrySrcType; | |
| } | |
| void GrDrawTarget::resetIndexSource() { | |
| this->releasePreviousIndexSource(); | |
| GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| geoSrc.fIndexSrc = kNone_GeometrySrcType; | |
| } | |
| void GrDrawTarget::pushGeometrySource() { | |
| this->geometrySourceWillPush(); | |
| GeometrySrcState& newState = fGeoSrcStateStack.push_back(); | |
| newState.fIndexSrc = kNone_GeometrySrcType; | |
| newState.fVertexSrc = kNone_GeometrySrcType; | |
| #ifdef SK_DEBUG | |
| newState.fVertexCount = ~0; | |
| newState.fVertexBuffer = (GrVertexBuffer*)~0; | |
| newState.fIndexCount = ~0; | |
| newState.fIndexBuffer = (GrIndexBuffer*)~0; | |
| #endif | |
| } | |
| void GrDrawTarget::popGeometrySource() { | |
| // if popping last element then pops are unbalanced with pushes | |
| SkASSERT(fGeoSrcStateStack.count() > 1); | |
| this->geometrySourceWillPop(fGeoSrcStateStack.fromBack(1)); | |
| this->releasePreviousVertexSource(); | |
| this->releasePreviousIndexSource(); | |
| fGeoSrcStateStack.pop_back(); | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| bool GrDrawTarget::checkDraw(GrPrimitiveType type, int startVertex, | |
| int startIndex, int vertexCount, | |
| int indexCount) const { | |
| const GrDrawState& drawState = this->getDrawState(); | |
| #ifdef SK_DEBUG | |
| const GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); | |
| int maxVertex = startVertex + vertexCount; | |
| int maxValidVertex; | |
| switch (geoSrc.fVertexSrc) { | |
| case kNone_GeometrySrcType: | |
| SkFAIL("Attempting to draw without vertex src."); | |
| case kReserved_GeometrySrcType: // fallthrough | |
| case kArray_GeometrySrcType: | |
| maxValidVertex = geoSrc.fVertexCount; | |
| break; | |
| case kBuffer_GeometrySrcType: | |
| maxValidVertex = static_cast<int>(geoSrc.fVertexBuffer->gpuMemorySize() / geoSrc.fVertexSize); | |
| break; | |
| } | |
| if (maxVertex > maxValidVertex) { | |
| SkFAIL("Drawing outside valid vertex range."); | |
| } | |
| if (indexCount > 0) { | |
| int maxIndex = startIndex + indexCount; | |
| int maxValidIndex; | |
| switch (geoSrc.fIndexSrc) { | |
| case kNone_GeometrySrcType: | |
| SkFAIL("Attempting to draw indexed geom without index src."); | |
| case kReserved_GeometrySrcType: // fallthrough | |
| case kArray_GeometrySrcType: | |
| maxValidIndex = geoSrc.fIndexCount; | |
| break; | |
| case kBuffer_GeometrySrcType: | |
| maxValidIndex = static_cast<int>(geoSrc.fIndexBuffer->gpuMemorySize() / sizeof(uint16_t)); | |
| break; | |
| } | |
| if (maxIndex > maxValidIndex) { | |
| SkFAIL("Index reads outside valid index range."); | |
| } | |
| } | |
| SkASSERT(NULL != drawState.getRenderTarget()); | |
| for (int s = 0; s < drawState.numColorStages(); ++s) { | |
| const GrEffect* effect = drawState.getColorStage(s).getEffect(); | |
| int numTextures = effect->numTextures(); | |
| for (int t = 0; t < numTextures; ++t) { | |
| GrTexture* texture = effect->texture(t); | |
| SkASSERT(texture->asRenderTarget() != drawState.getRenderTarget()); | |
| } | |
| } | |
| for (int s = 0; s < drawState.numCoverageStages(); ++s) { | |
| const GrEffect* effect = drawState.getCoverageStage(s).getEffect(); | |
| int numTextures = effect->numTextures(); | |
| for (int t = 0; t < numTextures; ++t) { | |
| GrTexture* texture = effect->texture(t); | |
| SkASSERT(texture->asRenderTarget() != drawState.getRenderTarget()); | |
| } | |
| } | |
| SkASSERT(drawState.validateVertexAttribs()); | |
| #endif | |
| if (NULL == drawState.getRenderTarget()) { | |
| return false; | |
| } | |
| return true; | |
| } | |
| bool GrDrawTarget::setupDstReadIfNecessary(GrDeviceCoordTexture* dstCopy, const SkRect* drawBounds) { | |
| if (this->caps()->dstReadInShaderSupport() || !this->getDrawState().willEffectReadDstColor()) { | |
| return true; | |
| } | |
| GrRenderTarget* rt = this->drawState()->getRenderTarget(); | |
| SkIRect copyRect; | |
| const GrClipData* clip = this->getClip(); | |
| clip->getConservativeBounds(rt, ©Rect); | |
| if (NULL != drawBounds) { | |
| SkIRect drawIBounds; | |
| drawBounds->roundOut(&drawIBounds); | |
| if (!copyRect.intersect(drawIBounds)) { | |
| #ifdef SK_DEBUG | |
| GrPrintf("Missed an early reject. Bailing on draw from setupDstReadIfNecessary.\n"); | |
| #endif | |
| return false; | |
| } | |
| } else { | |
| #ifdef SK_DEBUG | |
| //GrPrintf("No dev bounds when dst copy is made.\n"); | |
| #endif | |
| } | |
| // MSAA consideration: When there is support for reading MSAA samples in the shader we could | |
| // have per-sample dst values by making the copy multisampled. | |
| GrTextureDesc desc; | |
| this->initCopySurfaceDstDesc(rt, &desc); | |
| desc.fWidth = copyRect.width(); | |
| desc.fHeight = copyRect.height(); | |
| GrAutoScratchTexture ast(fContext, desc, GrContext::kApprox_ScratchTexMatch); | |
| if (NULL == ast.texture()) { | |
| GrPrintf("Failed to create temporary copy of destination texture.\n"); | |
| return false; | |
| } | |
| SkIPoint dstPoint = {0, 0}; | |
| if (this->copySurface(ast.texture(), rt, copyRect, dstPoint)) { | |
| dstCopy->setTexture(ast.texture()); | |
| dstCopy->setOffset(copyRect.fLeft, copyRect.fTop); | |
| return true; | |
| } else { | |
| return false; | |
| } | |
| } | |
| void GrDrawTarget::drawIndexed(GrPrimitiveType type, | |
| int startVertex, | |
| int startIndex, | |
| int vertexCount, | |
| int indexCount, | |
| const SkRect* devBounds) { | |
| if (indexCount > 0 && this->checkDraw(type, startVertex, startIndex, vertexCount, indexCount)) { | |
| DrawInfo info; | |
| info.fPrimitiveType = type; | |
| info.fStartVertex = startVertex; | |
| info.fStartIndex = startIndex; | |
| info.fVertexCount = vertexCount; | |
| info.fIndexCount = indexCount; | |
| info.fInstanceCount = 0; | |
| info.fVerticesPerInstance = 0; | |
| info.fIndicesPerInstance = 0; | |
| if (NULL != devBounds) { | |
| info.setDevBounds(*devBounds); | |
| } | |
| // TODO: We should continue with incorrect blending. | |
| if (!this->setupDstReadIfNecessary(&info)) { | |
| return; | |
| } | |
| this->onDraw(info); | |
| } | |
| } | |
| void GrDrawTarget::drawNonIndexed(GrPrimitiveType type, | |
| int startVertex, | |
| int vertexCount, | |
| const SkRect* devBounds) { | |
| if (vertexCount > 0 && this->checkDraw(type, startVertex, -1, vertexCount, -1)) { | |
| DrawInfo info; | |
| info.fPrimitiveType = type; | |
| info.fStartVertex = startVertex; | |
| info.fStartIndex = 0; | |
| info.fVertexCount = vertexCount; | |
| info.fIndexCount = 0; | |
| info.fInstanceCount = 0; | |
| info.fVerticesPerInstance = 0; | |
| info.fIndicesPerInstance = 0; | |
| if (NULL != devBounds) { | |
| info.setDevBounds(*devBounds); | |
| } | |
| // TODO: We should continue with incorrect blending. | |
| if (!this->setupDstReadIfNecessary(&info)) { | |
| return; | |
| } | |
| this->onDraw(info); | |
| } | |
| } | |
| void GrDrawTarget::stencilPath(const GrPath* path, SkPath::FillType fill) { | |
| // TODO: extract portions of checkDraw that are relevant to path stenciling. | |
| SkASSERT(NULL != path); | |
| SkASSERT(this->caps()->pathRenderingSupport()); | |
| SkASSERT(!SkPath::IsInverseFillType(fill)); | |
| this->onStencilPath(path, fill); | |
| } | |
| void GrDrawTarget::drawPath(const GrPath* path, SkPath::FillType fill) { | |
| // TODO: extract portions of checkDraw that are relevant to path rendering. | |
| SkASSERT(NULL != path); | |
| SkASSERT(this->caps()->pathRenderingSupport()); | |
| const GrDrawState* drawState = &getDrawState(); | |
| SkRect devBounds; | |
| if (SkPath::IsInverseFillType(fill)) { | |
| devBounds = SkRect::MakeWH(SkIntToScalar(drawState->getRenderTarget()->width()), | |
| SkIntToScalar(drawState->getRenderTarget()->height())); | |
| } else { | |
| devBounds = path->getBounds(); | |
| } | |
| SkMatrix viewM = drawState->getViewMatrix(); | |
| viewM.mapRect(&devBounds); | |
| GrDeviceCoordTexture dstCopy; | |
| if (!this->setupDstReadIfNecessary(&dstCopy, &devBounds)) { | |
| return; | |
| } | |
| this->onDrawPath(path, fill, dstCopy.texture() ? &dstCopy : NULL); | |
| } | |
| void GrDrawTarget::drawPaths(const GrPathRange* pathRange, | |
| const uint32_t indices[], int count, | |
| const float transforms[], PathTransformType transformsType, | |
| SkPath::FillType fill) { | |
| SkASSERT(this->caps()->pathRenderingSupport()); | |
| SkASSERT(NULL != pathRange); | |
| SkASSERT(NULL != indices); | |
| SkASSERT(NULL != transforms); | |
| // Don't compute a bounding box for setupDstReadIfNecessary(), we'll opt | |
| // instead for it to just copy the entire dst. Realistically this is a moot | |
| // point, because any context that supports NV_path_rendering will also | |
| // support NV_blend_equation_advanced. | |
| GrDeviceCoordTexture dstCopy; | |
| if (!this->setupDstReadIfNecessary(&dstCopy, NULL)) { | |
| return; | |
| } | |
| this->onDrawPaths(pathRange, indices, count, transforms, transformsType, fill, | |
| dstCopy.texture() ? &dstCopy : NULL); | |
| } | |
| typedef GrTraceMarkerSet::Iter TMIter; | |
| void GrDrawTarget::saveActiveTraceMarkers() { | |
| if (this->caps()->gpuTracingSupport()) { | |
| SkASSERT(0 == fStoredTraceMarkers.count()); | |
| fStoredTraceMarkers.addSet(fActiveTraceMarkers); | |
| for (TMIter iter = fStoredTraceMarkers.begin(); iter != fStoredTraceMarkers.end(); ++iter) { | |
| this->removeGpuTraceMarker(&(*iter)); | |
| } | |
| } | |
| } | |
| void GrDrawTarget::restoreActiveTraceMarkers() { | |
| if (this->caps()->gpuTracingSupport()) { | |
| SkASSERT(0 == fActiveTraceMarkers.count()); | |
| for (TMIter iter = fStoredTraceMarkers.begin(); iter != fStoredTraceMarkers.end(); ++iter) { | |
| this->addGpuTraceMarker(&(*iter)); | |
| } | |
| for (TMIter iter = fActiveTraceMarkers.begin(); iter != fActiveTraceMarkers.end(); ++iter) { | |
| this->fStoredTraceMarkers.remove(*iter); | |
| } | |
| } | |
| } | |
| void GrDrawTarget::addGpuTraceMarker(const GrGpuTraceMarker* marker) { | |
| if (this->caps()->gpuTracingSupport()) { | |
| SkASSERT(fGpuTraceMarkerCount >= 0); | |
| this->fActiveTraceMarkers.add(*marker); | |
| this->didAddGpuTraceMarker(); | |
| ++fGpuTraceMarkerCount; | |
| } | |
| } | |
| void GrDrawTarget::removeGpuTraceMarker(const GrGpuTraceMarker* marker) { | |
| if (this->caps()->gpuTracingSupport()) { | |
| SkASSERT(fGpuTraceMarkerCount >= 1); | |
| this->fActiveTraceMarkers.remove(*marker); | |
| this->didRemoveGpuTraceMarker(); | |
| --fGpuTraceMarkerCount; | |
| } | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| void GrDrawTarget::drawIndexedInstances(GrPrimitiveType type, | |
| int instanceCount, | |
| int verticesPerInstance, | |
| int indicesPerInstance, | |
| const SkRect* devBounds) { | |
| if (!verticesPerInstance || !indicesPerInstance) { | |
| return; | |
| } | |
| int maxInstancesPerDraw = this->indexCountInCurrentSource() / indicesPerInstance; | |
| if (!maxInstancesPerDraw) { | |
| return; | |
| } | |
| DrawInfo info; | |
| info.fPrimitiveType = type; | |
| info.fStartIndex = 0; | |
| info.fStartVertex = 0; | |
| info.fIndicesPerInstance = indicesPerInstance; | |
| info.fVerticesPerInstance = verticesPerInstance; | |
| // Set the same bounds for all the draws. | |
| if (NULL != devBounds) { | |
| info.setDevBounds(*devBounds); | |
| } | |
| // TODO: We should continue with incorrect blending. | |
| if (!this->setupDstReadIfNecessary(&info)) { | |
| return; | |
| } | |
| while (instanceCount) { | |
| info.fInstanceCount = SkTMin(instanceCount, maxInstancesPerDraw); | |
| info.fVertexCount = info.fInstanceCount * verticesPerInstance; | |
| info.fIndexCount = info.fInstanceCount * indicesPerInstance; | |
| if (this->checkDraw(type, | |
| info.fStartVertex, | |
| info.fStartIndex, | |
| info.fVertexCount, | |
| info.fIndexCount)) { | |
| this->onDraw(info); | |
| } | |
| info.fStartVertex += info.fVertexCount; | |
| instanceCount -= info.fInstanceCount; | |
| } | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| namespace { | |
| // position + (optional) texture coord | |
| extern const GrVertexAttrib gBWRectPosUVAttribs[] = { | |
| {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, | |
| {kVec2f_GrVertexAttribType, sizeof(SkPoint), kLocalCoord_GrVertexAttribBinding} | |
| }; | |
| void set_vertex_attributes(GrDrawState* drawState, bool hasUVs) { | |
| if (hasUVs) { | |
| drawState->setVertexAttribs<gBWRectPosUVAttribs>(2); | |
| } else { | |
| drawState->setVertexAttribs<gBWRectPosUVAttribs>(1); | |
| } | |
| } | |
| }; | |
| void GrDrawTarget::onDrawRect(const SkRect& rect, | |
| const SkRect* localRect, | |
| const SkMatrix* localMatrix) { | |
| set_vertex_attributes(this->drawState(), NULL != localRect); | |
| AutoReleaseGeometry geo(this, 4, 0); | |
| if (!geo.succeeded()) { | |
| GrPrintf("Failed to get space for vertices!\n"); | |
| return; | |
| } | |
| size_t vsize = this->drawState()->getVertexSize(); | |
| geo.positions()->setRectFan(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, vsize); | |
| if (NULL != localRect) { | |
| SkPoint* coords = GrTCast<SkPoint*>(GrTCast<intptr_t>(geo.vertices()) + | |
| sizeof(SkPoint)); | |
| coords->setRectFan(localRect->fLeft, localRect->fTop, | |
| localRect->fRight, localRect->fBottom, | |
| vsize); | |
| if (NULL != localMatrix) { | |
| localMatrix->mapPointsWithStride(coords, vsize, 4); | |
| } | |
| } | |
| SkRect bounds; | |
| this->getDrawState().getViewMatrix().mapRect(&bounds, rect); | |
| this->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4, &bounds); | |
| } | |
| void GrDrawTarget::clipWillBeSet(const GrClipData* clipData) { | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| GrDrawTarget::AutoStateRestore::AutoStateRestore() { | |
| fDrawTarget = NULL; | |
| } | |
| GrDrawTarget::AutoStateRestore::AutoStateRestore(GrDrawTarget* target, | |
| ASRInit init, | |
| const SkMatrix* vm) { | |
| fDrawTarget = NULL; | |
| this->set(target, init, vm); | |
| } | |
| GrDrawTarget::AutoStateRestore::~AutoStateRestore() { | |
| if (NULL != fDrawTarget) { | |
| fDrawTarget->setDrawState(fSavedState); | |
| fSavedState->unref(); | |
| } | |
| } | |
| void GrDrawTarget::AutoStateRestore::set(GrDrawTarget* target, ASRInit init, const SkMatrix* vm) { | |
| SkASSERT(NULL == fDrawTarget); | |
| fDrawTarget = target; | |
| fSavedState = target->drawState(); | |
| SkASSERT(fSavedState); | |
| fSavedState->ref(); | |
| if (kReset_ASRInit == init) { | |
| if (NULL == vm) { | |
| // calls the default cons | |
| fTempState.init(); | |
| } else { | |
| SkNEW_IN_TLAZY(&fTempState, GrDrawState, (*vm)); | |
| } | |
| } else { | |
| SkASSERT(kPreserve_ASRInit == init); | |
| if (NULL == vm) { | |
| fTempState.set(*fSavedState); | |
| } else { | |
| SkNEW_IN_TLAZY(&fTempState, GrDrawState, (*fSavedState, *vm)); | |
| } | |
| } | |
| target->setDrawState(fTempState.get()); | |
| } | |
| bool GrDrawTarget::AutoStateRestore::setIdentity(GrDrawTarget* target, ASRInit init) { | |
| SkASSERT(NULL == fDrawTarget); | |
| fDrawTarget = target; | |
| fSavedState = target->drawState(); | |
| SkASSERT(fSavedState); | |
| fSavedState->ref(); | |
| if (kReset_ASRInit == init) { | |
| // calls the default cons | |
| fTempState.init(); | |
| } else { | |
| SkASSERT(kPreserve_ASRInit == init); | |
| // calls the copy cons | |
| fTempState.set(*fSavedState); | |
| if (!fTempState.get()->setIdentityViewMatrix()) { | |
| // let go of any resources held by the temp | |
| fTempState.get()->reset(); | |
| fDrawTarget = NULL; | |
| fSavedState->unref(); | |
| fSavedState = NULL; | |
| return false; | |
| } | |
| } | |
| target->setDrawState(fTempState.get()); | |
| return true; | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| GrDrawTarget::AutoReleaseGeometry::AutoReleaseGeometry( | |
| GrDrawTarget* target, | |
| int vertexCount, | |
| int indexCount) { | |
| fTarget = NULL; | |
| this->set(target, vertexCount, indexCount); | |
| } | |
| GrDrawTarget::AutoReleaseGeometry::AutoReleaseGeometry() { | |
| fTarget = NULL; | |
| } | |
| GrDrawTarget::AutoReleaseGeometry::~AutoReleaseGeometry() { | |
| this->reset(); | |
| } | |
| bool GrDrawTarget::AutoReleaseGeometry::set(GrDrawTarget* target, | |
| int vertexCount, | |
| int indexCount) { | |
| this->reset(); | |
| fTarget = target; | |
| bool success = true; | |
| if (NULL != fTarget) { | |
| fTarget = target; | |
| success = target->reserveVertexAndIndexSpace(vertexCount, | |
| indexCount, | |
| &fVertices, | |
| &fIndices); | |
| if (!success) { | |
| fTarget = NULL; | |
| this->reset(); | |
| } | |
| } | |
| SkASSERT(success == (NULL != fTarget)); | |
| return success; | |
| } | |
| void GrDrawTarget::AutoReleaseGeometry::reset() { | |
| if (NULL != fTarget) { | |
| if (NULL != fVertices) { | |
| fTarget->resetVertexSource(); | |
| } | |
| if (NULL != fIndices) { | |
| fTarget->resetIndexSource(); | |
| } | |
| fTarget = NULL; | |
| } | |
| fVertices = NULL; | |
| fIndices = NULL; | |
| } | |
| GrDrawTarget::AutoClipRestore::AutoClipRestore(GrDrawTarget* target, const SkIRect& newClip) { | |
| fTarget = target; | |
| fClip = fTarget->getClip(); | |
| fStack.init(); | |
| fStack.get()->clipDevRect(newClip, SkRegion::kReplace_Op); | |
| fReplacementClip.fClipStack = fStack.get(); | |
| target->setClip(&fReplacementClip); | |
| } | |
| namespace { | |
| // returns true if the read/written rect intersects the src/dst and false if not. | |
| bool clip_srcrect_and_dstpoint(const GrSurface* dst, | |
| const GrSurface* src, | |
| const SkIRect& srcRect, | |
| const SkIPoint& dstPoint, | |
| SkIRect* clippedSrcRect, | |
| SkIPoint* clippedDstPoint) { | |
| *clippedSrcRect = srcRect; | |
| *clippedDstPoint = dstPoint; | |
| // clip the left edge to src and dst bounds, adjusting dstPoint if necessary | |
| if (clippedSrcRect->fLeft < 0) { | |
| clippedDstPoint->fX -= clippedSrcRect->fLeft; | |
| clippedSrcRect->fLeft = 0; | |
| } | |
| if (clippedDstPoint->fX < 0) { | |
| clippedSrcRect->fLeft -= clippedDstPoint->fX; | |
| clippedDstPoint->fX = 0; | |
| } | |
| // clip the top edge to src and dst bounds, adjusting dstPoint if necessary | |
| if (clippedSrcRect->fTop < 0) { | |
| clippedDstPoint->fY -= clippedSrcRect->fTop; | |
| clippedSrcRect->fTop = 0; | |
| } | |
| if (clippedDstPoint->fY < 0) { | |
| clippedSrcRect->fTop -= clippedDstPoint->fY; | |
| clippedDstPoint->fY = 0; | |
| } | |
| // clip the right edge to the src and dst bounds. | |
| if (clippedSrcRect->fRight > src->width()) { | |
| clippedSrcRect->fRight = src->width(); | |
| } | |
| if (clippedDstPoint->fX + clippedSrcRect->width() > dst->width()) { | |
| clippedSrcRect->fRight = clippedSrcRect->fLeft + dst->width() - clippedDstPoint->fX; | |
| } | |
| // clip the bottom edge to the src and dst bounds. | |
| if (clippedSrcRect->fBottom > src->height()) { | |
| clippedSrcRect->fBottom = src->height(); | |
| } | |
| if (clippedDstPoint->fY + clippedSrcRect->height() > dst->height()) { | |
| clippedSrcRect->fBottom = clippedSrcRect->fTop + dst->height() - clippedDstPoint->fY; | |
| } | |
| // The above clipping steps may have inverted the rect if it didn't intersect either the src or | |
| // dst bounds. | |
| return !clippedSrcRect->isEmpty(); | |
| } | |
| } | |
| bool GrDrawTarget::copySurface(GrSurface* dst, | |
| GrSurface* src, | |
| const SkIRect& srcRect, | |
| const SkIPoint& dstPoint) { | |
| SkASSERT(NULL != dst); | |
| SkASSERT(NULL != src); | |
| SkIRect clippedSrcRect; | |
| SkIPoint clippedDstPoint; | |
| // If the rect is outside the src or dst then we've already succeeded. | |
| if (!clip_srcrect_and_dstpoint(dst, | |
| src, | |
| srcRect, | |
| dstPoint, | |
| &clippedSrcRect, | |
| &clippedDstPoint)) { | |
| SkASSERT(this->canCopySurface(dst, src, srcRect, dstPoint)); | |
| return true; | |
| } | |
| bool result = this->onCopySurface(dst, src, clippedSrcRect, clippedDstPoint); | |
| SkASSERT(result == this->canCopySurface(dst, src, clippedSrcRect, clippedDstPoint)); | |
| return result; | |
| } | |
| bool GrDrawTarget::canCopySurface(GrSurface* dst, | |
| GrSurface* src, | |
| const SkIRect& srcRect, | |
| const SkIPoint& dstPoint) { | |
| SkASSERT(NULL != dst); | |
| SkASSERT(NULL != src); | |
| SkIRect clippedSrcRect; | |
| SkIPoint clippedDstPoint; | |
| // If the rect is outside the src or dst then we're guaranteed success | |
| if (!clip_srcrect_and_dstpoint(dst, | |
| src, | |
| srcRect, | |
| dstPoint, | |
| &clippedSrcRect, | |
| &clippedDstPoint)) { | |
| return true; | |
| } | |
| return this->onCanCopySurface(dst, src, clippedSrcRect, clippedDstPoint); | |
| } | |
| bool GrDrawTarget::onCanCopySurface(GrSurface* dst, | |
| GrSurface* src, | |
| const SkIRect& srcRect, | |
| const SkIPoint& dstPoint) { | |
| // Check that the read/write rects are contained within the src/dst bounds. | |
| SkASSERT(!srcRect.isEmpty()); | |
| SkASSERT(SkIRect::MakeWH(src->width(), src->height()).contains(srcRect)); | |
| SkASSERT(dstPoint.fX >= 0 && dstPoint.fY >= 0); | |
| SkASSERT(dstPoint.fX + srcRect.width() <= dst->width() && | |
| dstPoint.fY + srcRect.height() <= dst->height()); | |
| return !dst->isSameAs(src) && NULL != dst->asRenderTarget() && NULL != src->asTexture(); | |
| } | |
| bool GrDrawTarget::onCopySurface(GrSurface* dst, | |
| GrSurface* src, | |
| const SkIRect& srcRect, | |
| const SkIPoint& dstPoint) { | |
| if (!GrDrawTarget::onCanCopySurface(dst, src, srcRect, dstPoint)) { | |
| return false; | |
| } | |
| GrRenderTarget* rt = dst->asRenderTarget(); | |
| GrTexture* tex = src->asTexture(); | |
| GrDrawTarget::AutoStateRestore asr(this, kReset_ASRInit); | |
| this->drawState()->setRenderTarget(rt); | |
| SkMatrix matrix; | |
| matrix.setTranslate(SkIntToScalar(srcRect.fLeft - dstPoint.fX), | |
| SkIntToScalar(srcRect.fTop - dstPoint.fY)); | |
| matrix.postIDiv(tex->width(), tex->height()); | |
| this->drawState()->addColorTextureEffect(tex, matrix); | |
| SkIRect dstRect = SkIRect::MakeXYWH(dstPoint.fX, | |
| dstPoint.fY, | |
| srcRect.width(), | |
| srcRect.height()); | |
| this->drawSimpleRect(dstRect); | |
| return true; | |
| } | |
| void GrDrawTarget::initCopySurfaceDstDesc(const GrSurface* src, GrTextureDesc* desc) { | |
| // Make the dst of the copy be a render target because the default copySurface draws to the dst. | |
| desc->fOrigin = kDefault_GrSurfaceOrigin; | |
| desc->fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; | |
| desc->fConfig = src->config(); | |
| } | |
| /////////////////////////////////////////////////////////////////////////////// | |
| void GrDrawTargetCaps::reset() { | |
| fMipMapSupport = false; | |
| fNPOTTextureTileSupport = false; | |
| fTwoSidedStencilSupport = false; | |
| fStencilWrapOpsSupport = false; | |
| fHWAALineSupport = false; | |
| fShaderDerivativeSupport = false; | |
| fGeometryShaderSupport = false; | |
| fDualSourceBlendingSupport = false; | |
| fPathRenderingSupport = false; | |
| fDstReadInShaderSupport = false; | |
| fDiscardRenderTargetSupport = false; | |
| fReuseScratchTextures = true; | |
| fGpuTracingSupport = false; | |
| fCompressedTexSubImageSupport = false; | |
| fMapBufferFlags = kNone_MapFlags; | |
| fMaxRenderTargetSize = 0; | |
| fMaxTextureSize = 0; | |
| fMaxSampleCount = 0; | |
| memset(fConfigRenderSupport, 0, sizeof(fConfigRenderSupport)); | |
| memset(fConfigTextureSupport, 0, sizeof(fConfigTextureSupport)); | |
| } | |
| GrDrawTargetCaps& GrDrawTargetCaps::operator=(const GrDrawTargetCaps& other) { | |
| fMipMapSupport = other.fMipMapSupport; | |
| fNPOTTextureTileSupport = other.fNPOTTextureTileSupport; | |
| fTwoSidedStencilSupport = other.fTwoSidedStencilSupport; | |
| fStencilWrapOpsSupport = other.fStencilWrapOpsSupport; | |
| fHWAALineSupport = other.fHWAALineSupport; | |
| fShaderDerivativeSupport = other.fShaderDerivativeSupport; | |
| fGeometryShaderSupport = other.fGeometryShaderSupport; | |
| fDualSourceBlendingSupport = other.fDualSourceBlendingSupport; | |
| fPathRenderingSupport = other.fPathRenderingSupport; | |
| fDstReadInShaderSupport = other.fDstReadInShaderSupport; | |
| fDiscardRenderTargetSupport = other.fDiscardRenderTargetSupport; | |
| fReuseScratchTextures = other.fReuseScratchTextures; | |
| fGpuTracingSupport = other.fGpuTracingSupport; | |
| fCompressedTexSubImageSupport = other.fCompressedTexSubImageSupport; | |
| fMapBufferFlags = other.fMapBufferFlags; | |
| fMaxRenderTargetSize = other.fMaxRenderTargetSize; | |
| fMaxTextureSize = other.fMaxTextureSize; | |
| fMaxSampleCount = other.fMaxSampleCount; | |
| memcpy(fConfigRenderSupport, other.fConfigRenderSupport, sizeof(fConfigRenderSupport)); | |
| memcpy(fConfigTextureSupport, other.fConfigTextureSupport, sizeof(fConfigTextureSupport)); | |
| return *this; | |
| } | |
| static SkString map_flags_to_string(uint32_t flags) { | |
| SkString str; | |
| if (GrDrawTargetCaps::kNone_MapFlags == flags) { | |
| str = "none"; | |
| } else { | |
| SkASSERT(GrDrawTargetCaps::kCanMap_MapFlag & flags); | |
| SkDEBUGCODE(flags &= ~GrDrawTargetCaps::kCanMap_MapFlag); | |
| str = "can_map"; | |
| if (GrDrawTargetCaps::kSubset_MapFlag & flags) { | |
| str.append(" partial"); | |
| } else { | |
| str.append(" full"); | |
| } | |
| SkDEBUGCODE(flags &= ~GrDrawTargetCaps::kSubset_MapFlag); | |
| } | |
| SkASSERT(0 == flags); // Make sure we handled all the flags. | |
| return str; | |
| } | |
| SkString GrDrawTargetCaps::dump() const { | |
| SkString r; | |
| static const char* gNY[] = {"NO", "YES"}; | |
| r.appendf("MIP Map Support : %s\n", gNY[fMipMapSupport]); | |
| r.appendf("NPOT Texture Tile Support : %s\n", gNY[fNPOTTextureTileSupport]); | |
| r.appendf("Two Sided Stencil Support : %s\n", gNY[fTwoSidedStencilSupport]); | |
| r.appendf("Stencil Wrap Ops Support : %s\n", gNY[fStencilWrapOpsSupport]); | |
| r.appendf("HW AA Lines Support : %s\n", gNY[fHWAALineSupport]); | |
| r.appendf("Shader Derivative Support : %s\n", gNY[fShaderDerivativeSupport]); | |
| r.appendf("Geometry Shader Support : %s\n", gNY[fGeometryShaderSupport]); | |
| r.appendf("Dual Source Blending Support : %s\n", gNY[fDualSourceBlendingSupport]); | |
| r.appendf("Path Rendering Support : %s\n", gNY[fPathRenderingSupport]); | |
| r.appendf("Dst Read In Shader Support : %s\n", gNY[fDstReadInShaderSupport]); | |
| r.appendf("Discard Render Target Support: %s\n", gNY[fDiscardRenderTargetSupport]); | |
| r.appendf("Reuse Scratch Textures : %s\n", gNY[fReuseScratchTextures]); | |
| r.appendf("Gpu Tracing Support : %s\n", gNY[fGpuTracingSupport]); | |
| r.appendf("Compressed Update Support : %s\n", gNY[fCompressedTexSubImageSupport]); | |
| r.appendf("Max Texture Size : %d\n", fMaxTextureSize); | |
| r.appendf("Max Render Target Size : %d\n", fMaxRenderTargetSize); | |
| r.appendf("Max Sample Count : %d\n", fMaxSampleCount); | |
| r.appendf("Map Buffer Support : %s\n", map_flags_to_string(fMapBufferFlags).c_str()); | |
| static const char* kConfigNames[] = { | |
| "Unknown", // kUnknown_GrPixelConfig | |
| "Alpha8", // kAlpha_8_GrPixelConfig, | |
| "Index8", // kIndex_8_GrPixelConfig, | |
| "RGB565", // kRGB_565_GrPixelConfig, | |
| "RGBA444", // kRGBA_4444_GrPixelConfig, | |
| "RGBA8888", // kRGBA_8888_GrPixelConfig, | |
| "BGRA8888", // kBGRA_8888_GrPixelConfig, | |
| "ETC1", // kETC1_GrPixelConfig, | |
| "LATC", // kLATC_GrPixelConfig, | |
| "R11EAC", // kR11_EAC_GrPixelConfig, | |
| "ASTC12x12",// kASTC_12x12_GrPixelConfig, | |
| "RGBAFloat", // kRGBA_float_GrPixelConfig | |
| }; | |
| GR_STATIC_ASSERT(0 == kUnknown_GrPixelConfig); | |
| GR_STATIC_ASSERT(1 == kAlpha_8_GrPixelConfig); | |
| GR_STATIC_ASSERT(2 == kIndex_8_GrPixelConfig); | |
| GR_STATIC_ASSERT(3 == kRGB_565_GrPixelConfig); | |
| GR_STATIC_ASSERT(4 == kRGBA_4444_GrPixelConfig); | |
| GR_STATIC_ASSERT(5 == kRGBA_8888_GrPixelConfig); | |
| GR_STATIC_ASSERT(6 == kBGRA_8888_GrPixelConfig); | |
| GR_STATIC_ASSERT(7 == kETC1_GrPixelConfig); | |
| GR_STATIC_ASSERT(8 == kLATC_GrPixelConfig); | |
| GR_STATIC_ASSERT(9 == kR11_EAC_GrPixelConfig); | |
| GR_STATIC_ASSERT(10 == kASTC_12x12_GrPixelConfig); | |
| GR_STATIC_ASSERT(11 == kRGBA_float_GrPixelConfig); | |
| GR_STATIC_ASSERT(SK_ARRAY_COUNT(kConfigNames) == kGrPixelConfigCnt); | |
| SkASSERT(!fConfigRenderSupport[kUnknown_GrPixelConfig][0]); | |
| SkASSERT(!fConfigRenderSupport[kUnknown_GrPixelConfig][1]); | |
| for (size_t i = 1; i < SK_ARRAY_COUNT(kConfigNames); ++i) { | |
| r.appendf("%s is renderable: %s, with MSAA: %s\n", | |
| kConfigNames[i], | |
| gNY[fConfigRenderSupport[i][0]], | |
| gNY[fConfigRenderSupport[i][1]]); | |
| } | |
| SkASSERT(!fConfigTextureSupport[kUnknown_GrPixelConfig]); | |
| for (size_t i = 1; i < SK_ARRAY_COUNT(kConfigNames); ++i) { | |
| r.appendf("%s is uploadable to a texture: %s\n", | |
| kConfigNames[i], | |
| gNY[fConfigTextureSupport[i]]); | |
| } | |
| return r; | |
| } |