| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrInOrderDrawBuffer.h" |
| |
| #include "GrBufferAllocPool.h" |
| #include "GrDrawTargetCaps.h" |
| #include "GrTextStrike.h" |
| #include "GrGpu.h" |
| #include "GrIndexBuffer.h" |
| #include "GrPath.h" |
| #include "GrPathRange.h" |
| #include "GrRenderTarget.h" |
| #include "GrTemplates.h" |
| #include "GrTexture.h" |
| #include "GrVertexBuffer.h" |
| |
| GrInOrderDrawBuffer::GrInOrderDrawBuffer(GrGpu* gpu, |
| GrVertexBufferAllocPool* vertexPool, |
| GrIndexBufferAllocPool* indexPool) |
| : GrDrawTarget(gpu->getContext()) |
| , fDstGpu(gpu) |
| , fClipSet(true) |
| , fClipProxyState(kUnknown_ClipProxyState) |
| , fVertexPool(*vertexPool) |
| , fIndexPool(*indexPool) |
| , fFlushing(false) |
| , fDrawID(0) { |
| |
| fDstGpu->ref(); |
| fCaps.reset(SkRef(fDstGpu->caps())); |
| |
| SkASSERT(NULL != vertexPool); |
| SkASSERT(NULL != indexPool); |
| |
| GeometryPoolState& poolState = fGeoPoolStateStack.push_back(); |
| poolState.fUsedPoolVertexBytes = 0; |
| poolState.fUsedPoolIndexBytes = 0; |
| #ifdef SK_DEBUG |
| poolState.fPoolVertexBuffer = (GrVertexBuffer*)~0; |
| poolState.fPoolStartVertex = ~0; |
| poolState.fPoolIndexBuffer = (GrIndexBuffer*)~0; |
| poolState.fPoolStartIndex = ~0; |
| #endif |
| this->reset(); |
| } |
| |
| GrInOrderDrawBuffer::~GrInOrderDrawBuffer() { |
| this->reset(); |
| // This must be called by before the GrDrawTarget destructor |
| this->releaseGeometry(); |
| fDstGpu->unref(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| namespace { |
| void get_vertex_bounds(const void* vertices, |
| size_t vertexSize, |
| int vertexCount, |
| SkRect* bounds) { |
| SkASSERT(vertexSize >= sizeof(SkPoint)); |
| SkASSERT(vertexCount > 0); |
| const SkPoint* point = static_cast<const SkPoint*>(vertices); |
| bounds->fLeft = bounds->fRight = point->fX; |
| bounds->fTop = bounds->fBottom = point->fY; |
| for (int i = 1; i < vertexCount; ++i) { |
| point = reinterpret_cast<SkPoint*>(reinterpret_cast<intptr_t>(point) + vertexSize); |
| bounds->growToInclude(point->fX, point->fY); |
| } |
| } |
| } |
| |
| |
| namespace { |
| |
| extern const GrVertexAttrib kRectAttribs[] = { |
| {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, |
| {kVec4ub_GrVertexAttribType, sizeof(SkPoint), kColor_GrVertexAttribBinding}, |
| {kVec2f_GrVertexAttribType, sizeof(SkPoint)+sizeof(GrColor), kLocalCoord_GrVertexAttribBinding}, |
| }; |
| } |
| |
| /** We always use per-vertex colors so that rects can be batched across color changes. Sometimes we |
| have explicit local coords and sometimes not. We *could* always provide explicit local coords |
| and just duplicate the positions when the caller hasn't provided a local coord rect, but we |
| haven't seen a use case which frequently switches between local rect and no local rect draws. |
| |
| The color param is used to determine whether the opaque hint can be set on the draw state. |
| The caller must populate the vertex colors itself. |
| |
| The vertex attrib order is always pos, color, [local coords]. |
| */ |
| static void set_vertex_attributes(GrDrawState* drawState, bool hasLocalCoords, GrColor color) { |
| if (hasLocalCoords) { |
| drawState->setVertexAttribs<kRectAttribs>(3); |
| } else { |
| drawState->setVertexAttribs<kRectAttribs>(2); |
| } |
| if (0xFF == GrColorUnpackA(color)) { |
| drawState->setHint(GrDrawState::kVertexColorsAreOpaque_Hint, true); |
| } |
| } |
| |
| enum { |
| kTraceCmdBit = 0x80, |
| kCmdMask = 0x7f, |
| }; |
| |
| static inline uint8_t add_trace_bit(uint8_t cmd) { return cmd | kTraceCmdBit; } |
| |
| static inline uint8_t strip_trace_bit(uint8_t cmd) { return cmd & kCmdMask; } |
| |
| static inline bool cmd_has_trace_marker(uint8_t cmd) { return SkToBool(cmd & kTraceCmdBit); } |
| |
| void GrInOrderDrawBuffer::onDrawRect(const SkRect& rect, |
| const SkRect* localRect, |
| const SkMatrix* localMatrix) { |
| GrDrawState* drawState = this->drawState(); |
| |
| GrColor color = drawState->getColor(); |
| |
| set_vertex_attributes(drawState, NULL != localRect, color); |
| |
| AutoReleaseGeometry geo(this, 4, 0); |
| if (!geo.succeeded()) { |
| GrPrintf("Failed to get space for vertices!\n"); |
| return; |
| } |
| |
| // Go to device coords to allow batching across matrix changes |
| SkMatrix matrix = drawState->getViewMatrix(); |
| |
| // When the caller has provided an explicit source rect for a stage then we don't want to |
| // modify that stage's matrix. Otherwise if the effect is generating its source rect from |
| // the vertex positions then we have to account for the view matrix change. |
| GrDrawState::AutoViewMatrixRestore avmr; |
| if (!avmr.setIdentity(drawState)) { |
| return; |
| } |
| |
| size_t vsize = drawState->getVertexSize(); |
| |
| geo.positions()->setRectFan(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, vsize); |
| matrix.mapPointsWithStride(geo.positions(), vsize, 4); |
| |
| SkRect devBounds; |
| // since we already computed the dev verts, set the bounds hint. This will help us avoid |
| // unnecessary clipping in our onDraw(). |
| get_vertex_bounds(geo.vertices(), vsize, 4, &devBounds); |
| |
| if (NULL != localRect) { |
| static const int kLocalOffset = sizeof(SkPoint) + sizeof(GrColor); |
| SkPoint* coords = GrTCast<SkPoint*>(GrTCast<intptr_t>(geo.vertices()) + kLocalOffset); |
| coords->setRectFan(localRect->fLeft, localRect->fTop, |
| localRect->fRight, localRect->fBottom, |
| vsize); |
| if (NULL != localMatrix) { |
| localMatrix->mapPointsWithStride(coords, vsize, 4); |
| } |
| } |
| |
| static const int kColorOffset = sizeof(SkPoint); |
| GrColor* vertColor = GrTCast<GrColor*>(GrTCast<intptr_t>(geo.vertices()) + kColorOffset); |
| for (int i = 0; i < 4; ++i) { |
| *vertColor = color; |
| vertColor = (GrColor*) ((intptr_t) vertColor + vsize); |
| } |
| |
| this->setIndexSourceToBuffer(this->getContext()->getQuadIndexBuffer()); |
| this->drawIndexedInstances(kTriangles_GrPrimitiveType, 1, 4, 6, &devBounds); |
| |
| // to ensure that stashing the drawState ptr is valid |
| SkASSERT(this->drawState() == drawState); |
| } |
| |
| bool GrInOrderDrawBuffer::quickInsideClip(const SkRect& devBounds) { |
| if (!this->getDrawState().isClipState()) { |
| return true; |
| } |
| if (kUnknown_ClipProxyState == fClipProxyState) { |
| SkIRect rect; |
| bool iior; |
| this->getClip()->getConservativeBounds(this->getDrawState().getRenderTarget(), &rect, &iior); |
| if (iior) { |
| // The clip is a rect. We will remember that in fProxyClip. It is common for an edge (or |
| // all edges) of the clip to be at the edge of the RT. However, we get that clipping for |
| // free via the viewport. We don't want to think that clipping must be enabled in this |
| // case. So we extend the clip outward from the edge to avoid these false negatives. |
| fClipProxyState = kValid_ClipProxyState; |
| fClipProxy = SkRect::Make(rect); |
| |
| if (fClipProxy.fLeft <= 0) { |
| fClipProxy.fLeft = SK_ScalarMin; |
| } |
| if (fClipProxy.fTop <= 0) { |
| fClipProxy.fTop = SK_ScalarMin; |
| } |
| if (fClipProxy.fRight >= this->getDrawState().getRenderTarget()->width()) { |
| fClipProxy.fRight = SK_ScalarMax; |
| } |
| if (fClipProxy.fBottom >= this->getDrawState().getRenderTarget()->height()) { |
| fClipProxy.fBottom = SK_ScalarMax; |
| } |
| } else { |
| fClipProxyState = kInvalid_ClipProxyState; |
| } |
| } |
| if (kValid_ClipProxyState == fClipProxyState) { |
| return fClipProxy.contains(devBounds); |
| } |
| SkPoint originOffset = {SkIntToScalar(this->getClip()->fOrigin.fX), |
| SkIntToScalar(this->getClip()->fOrigin.fY)}; |
| SkRect clipSpaceBounds = devBounds; |
| clipSpaceBounds.offset(originOffset); |
| return this->getClip()->fClipStack->quickContains(clipSpaceBounds); |
| } |
| |
| int GrInOrderDrawBuffer::concatInstancedDraw(const DrawInfo& info) { |
| SkASSERT(info.isInstanced()); |
| |
| const GeometrySrcState& geomSrc = this->getGeomSrc(); |
| const GrDrawState& drawState = this->getDrawState(); |
| |
| // we only attempt to concat the case when reserved verts are used with a client-specified index |
| // buffer. To make this work with client-specified VBs we'd need to know if the VB was updated |
| // between draws. |
| if (kReserved_GeometrySrcType != geomSrc.fVertexSrc || |
| kBuffer_GeometrySrcType != geomSrc.fIndexSrc) { |
| return 0; |
| } |
| // Check if there is a draw info that is compatible that uses the same VB from the pool and |
| // the same IB |
| if (kDraw_Cmd != strip_trace_bit(fCmds.back())) { |
| return 0; |
| } |
| |
| DrawRecord* draw = &fDraws.back(); |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| const GrVertexBuffer* vertexBuffer = poolState.fPoolVertexBuffer; |
| |
| if (!draw->isInstanced() || |
| draw->verticesPerInstance() != info.verticesPerInstance() || |
| draw->indicesPerInstance() != info.indicesPerInstance() || |
| draw->fVertexBuffer != vertexBuffer || |
| draw->fIndexBuffer != geomSrc.fIndexBuffer) { |
| return 0; |
| } |
| // info does not yet account for the offset from the start of the pool's VB while the previous |
| // draw record does. |
| int adjustedStartVertex = poolState.fPoolStartVertex + info.startVertex(); |
| if (draw->startVertex() + draw->vertexCount() != adjustedStartVertex) { |
| return 0; |
| } |
| |
| SkASSERT(poolState.fPoolStartVertex == draw->startVertex() + draw->vertexCount()); |
| |
| // how many instances can be concat'ed onto draw given the size of the index buffer |
| int instancesToConcat = this->indexCountInCurrentSource() / info.indicesPerInstance(); |
| instancesToConcat -= draw->instanceCount(); |
| instancesToConcat = SkTMin(instancesToConcat, info.instanceCount()); |
| |
| // update the amount of reserved vertex data actually referenced in draws |
| size_t vertexBytes = instancesToConcat * info.verticesPerInstance() * |
| drawState.getVertexSize(); |
| poolState.fUsedPoolVertexBytes = SkTMax(poolState.fUsedPoolVertexBytes, vertexBytes); |
| |
| draw->adjustInstanceCount(instancesToConcat); |
| |
| // update last fGpuCmdMarkers to include any additional trace markers that have been added |
| if (this->getActiveTraceMarkers().count() > 0) { |
| if (cmd_has_trace_marker(fCmds.back())) { |
| fGpuCmdMarkers.back().addSet(this->getActiveTraceMarkers()); |
| } else { |
| fGpuCmdMarkers.push_back(this->getActiveTraceMarkers()); |
| fCmds.back() = add_trace_bit(fCmds.back()); |
| } |
| } |
| |
| return instancesToConcat; |
| } |
| |
| class AutoClipReenable { |
| public: |
| AutoClipReenable() : fDrawState(NULL) {} |
| ~AutoClipReenable() { |
| if (NULL != fDrawState) { |
| fDrawState->enableState(GrDrawState::kClip_StateBit); |
| } |
| } |
| void set(GrDrawState* drawState) { |
| if (drawState->isClipState()) { |
| fDrawState = drawState; |
| drawState->disableState(GrDrawState::kClip_StateBit); |
| } |
| } |
| private: |
| GrDrawState* fDrawState; |
| }; |
| |
| void GrInOrderDrawBuffer::onDraw(const DrawInfo& info) { |
| |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| const GrDrawState& drawState = this->getDrawState(); |
| AutoClipReenable acr; |
| |
| if (drawState.isClipState() && |
| NULL != info.getDevBounds() && |
| this->quickInsideClip(*info.getDevBounds())) { |
| acr.set(this->drawState()); |
| } |
| |
| if (this->needsNewClip()) { |
| this->recordClip(); |
| } |
| this->recordStateIfNecessary(); |
| |
| DrawRecord* draw; |
| if (info.isInstanced()) { |
| int instancesConcated = this->concatInstancedDraw(info); |
| if (info.instanceCount() > instancesConcated) { |
| draw = this->recordDraw(info); |
| draw->adjustInstanceCount(-instancesConcated); |
| } else { |
| return; |
| } |
| } else { |
| draw = this->recordDraw(info); |
| } |
| |
| switch (this->getGeomSrc().fVertexSrc) { |
| case kBuffer_GeometrySrcType: |
| draw->fVertexBuffer = this->getGeomSrc().fVertexBuffer; |
| break; |
| case kReserved_GeometrySrcType: // fallthrough |
| case kArray_GeometrySrcType: { |
| size_t vertexBytes = (info.vertexCount() + info.startVertex()) * |
| drawState.getVertexSize(); |
| poolState.fUsedPoolVertexBytes = SkTMax(poolState.fUsedPoolVertexBytes, vertexBytes); |
| draw->fVertexBuffer = poolState.fPoolVertexBuffer; |
| draw->adjustStartVertex(poolState.fPoolStartVertex); |
| break; |
| } |
| default: |
| SkFAIL("unknown geom src type"); |
| } |
| draw->fVertexBuffer->ref(); |
| |
| if (info.isIndexed()) { |
| switch (this->getGeomSrc().fIndexSrc) { |
| case kBuffer_GeometrySrcType: |
| draw->fIndexBuffer = this->getGeomSrc().fIndexBuffer; |
| break; |
| case kReserved_GeometrySrcType: // fallthrough |
| case kArray_GeometrySrcType: { |
| size_t indexBytes = (info.indexCount() + info.startIndex()) * sizeof(uint16_t); |
| poolState.fUsedPoolIndexBytes = SkTMax(poolState.fUsedPoolIndexBytes, indexBytes); |
| draw->fIndexBuffer = poolState.fPoolIndexBuffer; |
| draw->adjustStartIndex(poolState.fPoolStartIndex); |
| break; |
| } |
| default: |
| SkFAIL("unknown geom src type"); |
| } |
| draw->fIndexBuffer->ref(); |
| } else { |
| draw->fIndexBuffer = NULL; |
| } |
| } |
| |
| GrInOrderDrawBuffer::StencilPath::StencilPath() {} |
| GrInOrderDrawBuffer::DrawPath::DrawPath() {} |
| GrInOrderDrawBuffer::DrawPaths::DrawPaths() {} |
| GrInOrderDrawBuffer::DrawPaths::~DrawPaths() { |
| if (fTransforms) { |
| SkDELETE_ARRAY(fTransforms); |
| } |
| if (fIndices) { |
| SkDELETE_ARRAY(fIndices); |
| } |
| } |
| |
| void GrInOrderDrawBuffer::onStencilPath(const GrPath* path, SkPath::FillType fill) { |
| if (this->needsNewClip()) { |
| this->recordClip(); |
| } |
| // Only compare the subset of GrDrawState relevant to path stenciling? |
| this->recordStateIfNecessary(); |
| StencilPath* sp = this->recordStencilPath(); |
| sp->fPath.reset(path); |
| path->ref(); |
| sp->fFill = fill; |
| } |
| |
| void GrInOrderDrawBuffer::onDrawPath(const GrPath* path, |
| SkPath::FillType fill, const GrDeviceCoordTexture* dstCopy) { |
| if (this->needsNewClip()) { |
| this->recordClip(); |
| } |
| // TODO: Only compare the subset of GrDrawState relevant to path covering? |
| this->recordStateIfNecessary(); |
| DrawPath* cp = this->recordDrawPath(); |
| cp->fPath.reset(path); |
| path->ref(); |
| cp->fFill = fill; |
| if (NULL != dstCopy) { |
| cp->fDstCopy = *dstCopy; |
| } |
| } |
| |
| void GrInOrderDrawBuffer::onDrawPaths(const GrPathRange* pathRange, |
| const uint32_t indices[], int count, |
| const float transforms[], PathTransformType transformsType, |
| SkPath::FillType fill, const GrDeviceCoordTexture* dstCopy) { |
| SkASSERT(NULL != pathRange); |
| SkASSERT(NULL != indices); |
| SkASSERT(NULL != transforms); |
| |
| if (this->needsNewClip()) { |
| this->recordClip(); |
| } |
| this->recordStateIfNecessary(); |
| DrawPaths* dp = this->recordDrawPaths(); |
| dp->fPathRange.reset(SkRef(pathRange)); |
| dp->fIndices = SkNEW_ARRAY(uint32_t, count); // TODO: Accomplish this without a malloc |
| memcpy(dp->fIndices, indices, sizeof(uint32_t) * count); |
| dp->fCount = count; |
| |
| const int transformsLength = GrPathRendering::PathTransformSize(transformsType) * count; |
| dp->fTransforms = SkNEW_ARRAY(float, transformsLength); |
| memcpy(dp->fTransforms, transforms, sizeof(float) * transformsLength); |
| dp->fTransformsType = transformsType; |
| |
| dp->fFill = fill; |
| |
| if (NULL != dstCopy) { |
| dp->fDstCopy = *dstCopy; |
| } |
| } |
| |
| void GrInOrderDrawBuffer::clear(const SkIRect* rect, GrColor color, |
| bool canIgnoreRect, GrRenderTarget* renderTarget) { |
| SkIRect r; |
| if (NULL == renderTarget) { |
| renderTarget = this->drawState()->getRenderTarget(); |
| SkASSERT(NULL != renderTarget); |
| } |
| if (NULL == rect) { |
| // We could do something smart and remove previous draws and clears to |
| // the current render target. If we get that smart we have to make sure |
| // those draws aren't read before this clear (render-to-texture). |
| r.setLTRB(0, 0, renderTarget->width(), renderTarget->height()); |
| rect = &r; |
| } |
| Clear* clr = this->recordClear(); |
| GrColorIsPMAssert(color); |
| clr->fColor = color; |
| clr->fRect = *rect; |
| clr->fCanIgnoreRect = canIgnoreRect; |
| clr->fRenderTarget = renderTarget; |
| renderTarget->ref(); |
| } |
| |
| void GrInOrderDrawBuffer::discard(GrRenderTarget* renderTarget) { |
| if (!this->caps()->discardRenderTargetSupport()) { |
| return; |
| } |
| if (NULL == renderTarget) { |
| renderTarget = this->drawState()->getRenderTarget(); |
| SkASSERT(NULL != renderTarget); |
| } |
| Clear* clr = this->recordClear(); |
| clr->fColor = GrColor_ILLEGAL; |
| clr->fRenderTarget = renderTarget; |
| renderTarget->ref(); |
| } |
| |
| void GrInOrderDrawBuffer::reset() { |
| SkASSERT(1 == fGeoPoolStateStack.count()); |
| this->resetVertexSource(); |
| this->resetIndexSource(); |
| |
| DrawAllocator::Iter drawIter(&fDraws); |
| while (drawIter.next()) { |
| // we always have a VB, but not always an IB |
| SkASSERT(NULL != drawIter->fVertexBuffer); |
| drawIter->fVertexBuffer->unref(); |
| SkSafeUnref(drawIter->fIndexBuffer); |
| } |
| fCmds.reset(); |
| fDraws.reset(); |
| fStencilPaths.reset(); |
| fDrawPath.reset(); |
| fDrawPaths.reset(); |
| fStates.reset(); |
| fClears.reset(); |
| fVertexPool.reset(); |
| fIndexPool.reset(); |
| fClips.reset(); |
| fCopySurfaces.reset(); |
| fGpuCmdMarkers.reset(); |
| fClipSet = true; |
| } |
| |
| void GrInOrderDrawBuffer::flush() { |
| if (fFlushing) { |
| return; |
| } |
| |
| this->getContext()->getFontCache()->updateTextures(); |
| |
| SkASSERT(kReserved_GeometrySrcType != this->getGeomSrc().fVertexSrc); |
| SkASSERT(kReserved_GeometrySrcType != this->getGeomSrc().fIndexSrc); |
| |
| int numCmds = fCmds.count(); |
| if (0 == numCmds) { |
| return; |
| } |
| |
| GrAutoTRestore<bool> flushRestore(&fFlushing); |
| fFlushing = true; |
| |
| fVertexPool.unmap(); |
| fIndexPool.unmap(); |
| |
| GrDrawTarget::AutoClipRestore acr(fDstGpu); |
| AutoGeometryAndStatePush agasp(fDstGpu, kPreserve_ASRInit); |
| |
| GrDrawState* prevDrawState = SkRef(fDstGpu->drawState()); |
| |
| GrClipData clipData; |
| |
| StateAllocator::Iter stateIter(&fStates); |
| ClipAllocator::Iter clipIter(&fClips); |
| ClearAllocator::Iter clearIter(&fClears); |
| DrawAllocator::Iter drawIter(&fDraws); |
| StencilPathAllocator::Iter stencilPathIter(&fStencilPaths); |
| DrawPathAllocator::Iter drawPathIter(&fDrawPath); |
| DrawPathsAllocator::Iter drawPathsIter(&fDrawPaths); |
| CopySurfaceAllocator::Iter copySurfaceIter(&fCopySurfaces); |
| |
| int currCmdMarker = 0; |
| |
| fDstGpu->saveActiveTraceMarkers(); |
| for (int c = 0; c < numCmds; ++c) { |
| GrGpuTraceMarker newMarker("", -1); |
| SkString traceString; |
| if (cmd_has_trace_marker(fCmds[c])) { |
| traceString = fGpuCmdMarkers[currCmdMarker].toString(); |
| newMarker.fMarker = traceString.c_str(); |
| fDstGpu->addGpuTraceMarker(&newMarker); |
| ++currCmdMarker; |
| } |
| switch (strip_trace_bit(fCmds[c])) { |
| case kDraw_Cmd: { |
| SkASSERT(fDstGpu->drawState() != prevDrawState); |
| SkAssertResult(drawIter.next()); |
| fDstGpu->setVertexSourceToBuffer(drawIter->fVertexBuffer); |
| if (drawIter->isIndexed()) { |
| fDstGpu->setIndexSourceToBuffer(drawIter->fIndexBuffer); |
| } |
| fDstGpu->executeDraw(*drawIter); |
| break; |
| } |
| case kStencilPath_Cmd: { |
| SkASSERT(fDstGpu->drawState() != prevDrawState); |
| SkAssertResult(stencilPathIter.next()); |
| fDstGpu->stencilPath(stencilPathIter->fPath.get(), stencilPathIter->fFill); |
| break; |
| } |
| case kDrawPath_Cmd: { |
| SkASSERT(fDstGpu->drawState() != prevDrawState); |
| SkAssertResult(drawPathIter.next()); |
| fDstGpu->executeDrawPath(drawPathIter->fPath.get(), drawPathIter->fFill, |
| NULL != drawPathIter->fDstCopy.texture() ? |
| &drawPathIter->fDstCopy : |
| NULL); |
| break; |
| } |
| case kDrawPaths_Cmd: { |
| SkASSERT(fDstGpu->drawState() != prevDrawState); |
| SkAssertResult(drawPathsIter.next()); |
| const GrDeviceCoordTexture* dstCopy = |
| NULL !=drawPathsIter->fDstCopy.texture() ? &drawPathsIter->fDstCopy : NULL; |
| fDstGpu->executeDrawPaths(drawPathsIter->fPathRange.get(), |
| drawPathsIter->fIndices, |
| drawPathsIter->fCount, |
| drawPathsIter->fTransforms, |
| drawPathsIter->fTransformsType, |
| drawPathsIter->fFill, |
| dstCopy); |
| break; |
| } |
| case kSetState_Cmd: |
| SkAssertResult(stateIter.next()); |
| fDstGpu->setDrawState(stateIter.get()); |
| break; |
| case kSetClip_Cmd: |
| SkAssertResult(clipIter.next()); |
| clipData.fClipStack = &clipIter->fStack; |
| clipData.fOrigin = clipIter->fOrigin; |
| fDstGpu->setClip(&clipData); |
| break; |
| case kClear_Cmd: |
| SkAssertResult(clearIter.next()); |
| if (GrColor_ILLEGAL == clearIter->fColor) { |
| fDstGpu->discard(clearIter->fRenderTarget); |
| } else { |
| fDstGpu->clear(&clearIter->fRect, |
| clearIter->fColor, |
| clearIter->fCanIgnoreRect, |
| clearIter->fRenderTarget); |
| } |
| break; |
| case kCopySurface_Cmd: |
| SkAssertResult(copySurfaceIter.next()); |
| fDstGpu->copySurface(copySurfaceIter->fDst.get(), |
| copySurfaceIter->fSrc.get(), |
| copySurfaceIter->fSrcRect, |
| copySurfaceIter->fDstPoint); |
| break; |
| } |
| if (cmd_has_trace_marker(fCmds[c])) { |
| fDstGpu->removeGpuTraceMarker(&newMarker); |
| } |
| } |
| fDstGpu->restoreActiveTraceMarkers(); |
| // we should have consumed all the states, clips, etc. |
| SkASSERT(!stateIter.next()); |
| SkASSERT(!clipIter.next()); |
| SkASSERT(!clearIter.next()); |
| SkASSERT(!drawIter.next()); |
| SkASSERT(!copySurfaceIter.next()); |
| SkASSERT(!stencilPathIter.next()); |
| SkASSERT(!drawPathIter.next()); |
| SkASSERT(!drawPathsIter.next()); |
| |
| SkASSERT(fGpuCmdMarkers.count() == currCmdMarker); |
| |
| fDstGpu->setDrawState(prevDrawState); |
| prevDrawState->unref(); |
| this->reset(); |
| ++fDrawID; |
| } |
| |
| bool GrInOrderDrawBuffer::onCopySurface(GrSurface* dst, |
| GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| if (fDstGpu->canCopySurface(dst, src, srcRect, dstPoint)) { |
| CopySurface* cs = this->recordCopySurface(); |
| cs->fDst.reset(SkRef(dst)); |
| cs->fSrc.reset(SkRef(src)); |
| cs->fSrcRect = srcRect; |
| cs->fDstPoint = dstPoint; |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| bool GrInOrderDrawBuffer::onCanCopySurface(GrSurface* dst, |
| GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| return fDstGpu->canCopySurface(dst, src, srcRect, dstPoint); |
| } |
| |
| void GrInOrderDrawBuffer::initCopySurfaceDstDesc(const GrSurface* src, GrTextureDesc* desc) { |
| fDstGpu->initCopySurfaceDstDesc(src, desc); |
| } |
| |
| void GrInOrderDrawBuffer::willReserveVertexAndIndexSpace(int vertexCount, |
| int indexCount) { |
| // We use geometryHints() to know whether to flush the draw buffer. We |
| // can't flush if we are inside an unbalanced pushGeometrySource. |
| // Moreover, flushing blows away vertex and index data that was |
| // previously reserved. So if the vertex or index data is pulled from |
| // reserved space and won't be released by this request then we can't |
| // flush. |
| bool insideGeoPush = fGeoPoolStateStack.count() > 1; |
| |
| bool unreleasedVertexSpace = |
| !vertexCount && |
| kReserved_GeometrySrcType == this->getGeomSrc().fVertexSrc; |
| |
| bool unreleasedIndexSpace = |
| !indexCount && |
| kReserved_GeometrySrcType == this->getGeomSrc().fIndexSrc; |
| |
| // we don't want to finalize any reserved geom on the target since |
| // we don't know that the client has finished writing to it. |
| bool targetHasReservedGeom = fDstGpu->hasReservedVerticesOrIndices(); |
| |
| int vcount = vertexCount; |
| int icount = indexCount; |
| |
| if (!insideGeoPush && |
| !unreleasedVertexSpace && |
| !unreleasedIndexSpace && |
| !targetHasReservedGeom && |
| this->geometryHints(&vcount, &icount)) { |
| |
| this->flush(); |
| } |
| } |
| |
| bool GrInOrderDrawBuffer::geometryHints(int* vertexCount, |
| int* indexCount) const { |
| // we will recommend a flush if the data could fit in a single |
| // preallocated buffer but none are left and it can't fit |
| // in the current buffer (which may not be prealloced). |
| bool flush = false; |
| if (NULL != indexCount) { |
| int32_t currIndices = fIndexPool.currentBufferIndices(); |
| if (*indexCount > currIndices && |
| (!fIndexPool.preallocatedBuffersRemaining() && |
| *indexCount <= fIndexPool.preallocatedBufferIndices())) { |
| |
| flush = true; |
| } |
| *indexCount = currIndices; |
| } |
| if (NULL != vertexCount) { |
| size_t vertexSize = this->getDrawState().getVertexSize(); |
| int32_t currVertices = fVertexPool.currentBufferVertices(vertexSize); |
| if (*vertexCount > currVertices && |
| (!fVertexPool.preallocatedBuffersRemaining() && |
| *vertexCount <= fVertexPool.preallocatedBufferVertices(vertexSize))) { |
| |
| flush = true; |
| } |
| *vertexCount = currVertices; |
| } |
| return flush; |
| } |
| |
| bool GrInOrderDrawBuffer::onReserveVertexSpace(size_t vertexSize, |
| int vertexCount, |
| void** vertices) { |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| SkASSERT(vertexCount > 0); |
| SkASSERT(NULL != vertices); |
| SkASSERT(0 == poolState.fUsedPoolVertexBytes); |
| |
| *vertices = fVertexPool.makeSpace(vertexSize, |
| vertexCount, |
| &poolState.fPoolVertexBuffer, |
| &poolState.fPoolStartVertex); |
| return NULL != *vertices; |
| } |
| |
| bool GrInOrderDrawBuffer::onReserveIndexSpace(int indexCount, void** indices) { |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| SkASSERT(indexCount > 0); |
| SkASSERT(NULL != indices); |
| SkASSERT(0 == poolState.fUsedPoolIndexBytes); |
| |
| *indices = fIndexPool.makeSpace(indexCount, |
| &poolState.fPoolIndexBuffer, |
| &poolState.fPoolStartIndex); |
| return NULL != *indices; |
| } |
| |
| void GrInOrderDrawBuffer::releaseReservedVertexSpace() { |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| const GeometrySrcState& geoSrc = this->getGeomSrc(); |
| |
| // If we get a release vertex space call then our current source should either be reserved |
| // or array (which we copied into reserved space). |
| SkASSERT(kReserved_GeometrySrcType == geoSrc.fVertexSrc || |
| kArray_GeometrySrcType == geoSrc.fVertexSrc); |
| |
| // When the caller reserved vertex buffer space we gave it back a pointer |
| // provided by the vertex buffer pool. At each draw we tracked the largest |
| // offset into the pool's pointer that was referenced. Now we return to the |
| // pool any portion at the tail of the allocation that no draw referenced. |
| size_t reservedVertexBytes = geoSrc.fVertexSize * geoSrc.fVertexCount; |
| fVertexPool.putBack(reservedVertexBytes - |
| poolState.fUsedPoolVertexBytes); |
| poolState.fUsedPoolVertexBytes = 0; |
| poolState.fPoolVertexBuffer = NULL; |
| poolState.fPoolStartVertex = 0; |
| } |
| |
| void GrInOrderDrawBuffer::releaseReservedIndexSpace() { |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| const GeometrySrcState& geoSrc = this->getGeomSrc(); |
| |
| // If we get a release index space call then our current source should either be reserved |
| // or array (which we copied into reserved space). |
| SkASSERT(kReserved_GeometrySrcType == geoSrc.fIndexSrc || |
| kArray_GeometrySrcType == geoSrc.fIndexSrc); |
| |
| // Similar to releaseReservedVertexSpace we return any unused portion at |
| // the tail |
| size_t reservedIndexBytes = sizeof(uint16_t) * geoSrc.fIndexCount; |
| fIndexPool.putBack(reservedIndexBytes - poolState.fUsedPoolIndexBytes); |
| poolState.fUsedPoolIndexBytes = 0; |
| poolState.fPoolIndexBuffer = NULL; |
| poolState.fPoolStartIndex = 0; |
| } |
| |
| void GrInOrderDrawBuffer::onSetVertexSourceToArray(const void* vertexArray, |
| int vertexCount) { |
| |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| SkASSERT(0 == poolState.fUsedPoolVertexBytes); |
| #ifdef SK_DEBUG |
| bool success = |
| #endif |
| fVertexPool.appendVertices(this->getVertexSize(), |
| vertexCount, |
| vertexArray, |
| &poolState.fPoolVertexBuffer, |
| &poolState.fPoolStartVertex); |
| GR_DEBUGASSERT(success); |
| } |
| |
| void GrInOrderDrawBuffer::onSetIndexSourceToArray(const void* indexArray, |
| int indexCount) { |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| SkASSERT(0 == poolState.fUsedPoolIndexBytes); |
| #ifdef SK_DEBUG |
| bool success = |
| #endif |
| fIndexPool.appendIndices(indexCount, |
| indexArray, |
| &poolState.fPoolIndexBuffer, |
| &poolState.fPoolStartIndex); |
| GR_DEBUGASSERT(success); |
| } |
| |
| void GrInOrderDrawBuffer::releaseVertexArray() { |
| // When the client provides an array as the vertex source we handled it |
| // by copying their array into reserved space. |
| this->GrInOrderDrawBuffer::releaseReservedVertexSpace(); |
| } |
| |
| void GrInOrderDrawBuffer::releaseIndexArray() { |
| // When the client provides an array as the index source we handled it |
| // by copying their array into reserved space. |
| this->GrInOrderDrawBuffer::releaseReservedIndexSpace(); |
| } |
| |
| void GrInOrderDrawBuffer::geometrySourceWillPush() { |
| GeometryPoolState& poolState = fGeoPoolStateStack.push_back(); |
| poolState.fUsedPoolVertexBytes = 0; |
| poolState.fUsedPoolIndexBytes = 0; |
| #ifdef SK_DEBUG |
| poolState.fPoolVertexBuffer = (GrVertexBuffer*)~0; |
| poolState.fPoolStartVertex = ~0; |
| poolState.fPoolIndexBuffer = (GrIndexBuffer*)~0; |
| poolState.fPoolStartIndex = ~0; |
| #endif |
| } |
| |
| void GrInOrderDrawBuffer::geometrySourceWillPop( |
| const GeometrySrcState& restoredState) { |
| SkASSERT(fGeoPoolStateStack.count() > 1); |
| fGeoPoolStateStack.pop_back(); |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| // we have to assume that any slack we had in our vertex/index data |
| // is now unreleasable because data may have been appended later in the |
| // pool. |
| if (kReserved_GeometrySrcType == restoredState.fVertexSrc || |
| kArray_GeometrySrcType == restoredState.fVertexSrc) { |
| poolState.fUsedPoolVertexBytes = restoredState.fVertexSize * restoredState.fVertexCount; |
| } |
| if (kReserved_GeometrySrcType == restoredState.fIndexSrc || |
| kArray_GeometrySrcType == restoredState.fIndexSrc) { |
| poolState.fUsedPoolIndexBytes = sizeof(uint16_t) * |
| restoredState.fIndexCount; |
| } |
| } |
| |
| void GrInOrderDrawBuffer::recordStateIfNecessary() { |
| if (fStates.empty()) { |
| fStates.push_back() = this->getDrawState(); |
| this->addToCmdBuffer(kSetState_Cmd); |
| return; |
| } |
| const GrDrawState& curr = this->getDrawState(); |
| GrDrawState& prev = fStates.back(); |
| switch (GrDrawState::CombineIfPossible(prev, curr, *this->caps())) { |
| case GrDrawState::kIncompatible_CombinedState: |
| fStates.push_back() = this->getDrawState(); |
| this->addToCmdBuffer(kSetState_Cmd); |
| break; |
| case GrDrawState::kA_CombinedState: |
| case GrDrawState::kAOrB_CombinedState: // Treat the same as kA. |
| break; |
| case GrDrawState::kB_CombinedState: |
| prev = curr; |
| break; |
| } |
| } |
| |
| bool GrInOrderDrawBuffer::needsNewClip() const { |
| if (this->getDrawState().isClipState()) { |
| if (fClipSet && |
| (fClips.empty() || |
| fClips.back().fStack != *this->getClip()->fClipStack || |
| fClips.back().fOrigin != this->getClip()->fOrigin)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| void GrInOrderDrawBuffer::addToCmdBuffer(uint8_t cmd) { |
| SkASSERT(!cmd_has_trace_marker(cmd)); |
| const GrTraceMarkerSet& activeTraceMarkers = this->getActiveTraceMarkers(); |
| if (activeTraceMarkers.count() > 0) { |
| fCmds.push_back(add_trace_bit(cmd)); |
| fGpuCmdMarkers.push_back(activeTraceMarkers); |
| } else { |
| fCmds.push_back(cmd); |
| } |
| } |
| |
| void GrInOrderDrawBuffer::recordClip() { |
| fClips.push_back().fStack = *this->getClip()->fClipStack; |
| fClips.back().fOrigin = this->getClip()->fOrigin; |
| fClipSet = false; |
| this->addToCmdBuffer(kSetClip_Cmd); |
| } |
| |
| GrInOrderDrawBuffer::DrawRecord* GrInOrderDrawBuffer::recordDraw(const DrawInfo& info) { |
| this->addToCmdBuffer(kDraw_Cmd); |
| return &fDraws.push_back(info); |
| } |
| |
| GrInOrderDrawBuffer::StencilPath* GrInOrderDrawBuffer::recordStencilPath() { |
| this->addToCmdBuffer(kStencilPath_Cmd); |
| return &fStencilPaths.push_back(); |
| } |
| |
| GrInOrderDrawBuffer::DrawPath* GrInOrderDrawBuffer::recordDrawPath() { |
| this->addToCmdBuffer(kDrawPath_Cmd); |
| return &fDrawPath.push_back(); |
| } |
| |
| GrInOrderDrawBuffer::DrawPaths* GrInOrderDrawBuffer::recordDrawPaths() { |
| this->addToCmdBuffer(kDrawPaths_Cmd); |
| return &fDrawPaths.push_back(); |
| } |
| |
| GrInOrderDrawBuffer::Clear* GrInOrderDrawBuffer::recordClear() { |
| this->addToCmdBuffer(kClear_Cmd); |
| return &fClears.push_back(); |
| } |
| |
| GrInOrderDrawBuffer::CopySurface* GrInOrderDrawBuffer::recordCopySurface() { |
| this->addToCmdBuffer(kCopySurface_Cmd); |
| return &fCopySurfaces.push_back(); |
| } |
| |
| void GrInOrderDrawBuffer::clipWillBeSet(const GrClipData* newClipData) { |
| INHERITED::clipWillBeSet(newClipData); |
| fClipSet = true; |
| fClipProxyState = kUnknown_ClipProxyState; |
| } |
