| /* |
| * 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 "GrDefaultGeoProcFactory.h" |
| #include "GrDrawTargetCaps.h" |
| #include "GrGpu.h" |
| #include "GrTemplates.h" |
| #include "GrTextStrike.h" |
| #include "GrTexture.h" |
| |
| GrInOrderDrawBuffer::GrInOrderDrawBuffer(GrGpu* gpu, |
| GrVertexBufferAllocPool* vertexPool, |
| GrIndexBufferAllocPool* indexPool) |
| : INHERITED(gpu->getContext()) |
| , fCmdBuffer(kCmdBufferInitialSizeInBytes) |
| , fLastState(NULL) |
| , fDstGpu(gpu) |
| , fVertexPool(*vertexPool) |
| , fIndexPool(*indexPool) |
| , fFlushing(false) |
| , fDrawID(0) { |
| |
| fDstGpu->ref(); |
| fCaps.reset(SkRef(fDstGpu->caps())); |
| |
| SkASSERT(vertexPool); |
| SkASSERT(indexPool); |
| |
| fPathIndexBuffer.setReserve(kPathIdxBufferMinReserve); |
| fPathTransformBuffer.setReserve(kPathXformBufferMinReserve); |
| |
| 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); |
| } |
| } |
| } |
| |
| /** 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) { |
| uint32_t flags = GrDefaultGeoProcFactory::kPosition_GPType | |
| GrDefaultGeoProcFactory::kColor_GPType; |
| flags |= hasLocalCoords ? GrDefaultGeoProcFactory::kLocalCoord_GPType : 0; |
| drawState->setGeometryProcessor(GrDefaultGeoProcFactory::CreateAndSetAttribs(drawState, |
| flags))->unref(); |
| if (0xFF == GrColorUnpackA(color)) { |
| drawState->setHint(GrDrawState::kVertexColorsAreOpaque_Hint, true); |
| } |
| } |
| |
| static bool path_fill_type_is_winding(const GrStencilSettings& pathStencilSettings) { |
| static const GrStencilSettings::Face pathFace = GrStencilSettings::kFront_Face; |
| bool isWinding = kInvert_StencilOp != pathStencilSettings.passOp(pathFace); |
| if (isWinding) { |
| // Double check that it is in fact winding. |
| SkASSERT(kIncClamp_StencilOp == pathStencilSettings.passOp(pathFace)); |
| SkASSERT(kIncClamp_StencilOp == pathStencilSettings.failOp(pathFace)); |
| SkASSERT(0x1 != pathStencilSettings.writeMask(pathFace)); |
| SkASSERT(!pathStencilSettings.isTwoSided()); |
| } |
| return isWinding; |
| } |
| |
| template<typename T> static void reset_data_buffer(SkTDArray<T>* buffer, int minReserve) { |
| // Assume the next time this buffer fills up it will use approximately the same amount |
| // of space as last time. Only resize if we're using less than a third of the |
| // allocated space, and leave enough for 50% growth over last time. |
| if (3 * buffer->count() < buffer->reserved() && buffer->reserved() > minReserve) { |
| int reserve = SkTMax(minReserve, buffer->count() * 3 / 2); |
| buffer->reset(); |
| buffer->setReserve(reserve); |
| } else { |
| buffer->rewind(); |
| } |
| } |
| |
| 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(GrDrawState* ds, |
| const SkRect& rect, |
| const SkRect* localRect, |
| const SkMatrix* localMatrix) { |
| GrDrawState::AutoRestoreEffects are(ds); |
| |
| GrColor color = ds->getColor(); |
| set_vertex_attributes(ds, SkToBool(localRect), color); |
| |
| AutoReleaseGeometry geo(this, 4, ds->getVertexStride(), 0); |
| if (!geo.succeeded()) { |
| SkDebugf("Failed to get space for vertices!\n"); |
| return; |
| } |
| |
| // Go to device coords to allow batching across matrix changes |
| SkMatrix matrix = ds->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(ds)) { |
| return; |
| } |
| |
| size_t vstride = ds->getVertexStride(); |
| |
| geo.positions()->setRectFan(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, vstride); |
| matrix.mapPointsWithStride(geo.positions(), vstride, 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(), vstride, 4, &devBounds); |
| |
| if (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, |
| vstride); |
| if (localMatrix) { |
| localMatrix->mapPointsWithStride(coords, vstride, 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 + vstride); |
| } |
| |
| this->setIndexSourceToBuffer(this->getContext()->getQuadIndexBuffer()); |
| this->drawIndexedInstances(ds, kTriangles_GrPrimitiveType, 1, 4, 6, &devBounds); |
| } |
| |
| int GrInOrderDrawBuffer::concatInstancedDraw(const GrDrawState& ds, const DrawInfo& info) { |
| SkASSERT(!fCmdBuffer.empty()); |
| SkASSERT(info.isInstanced()); |
| |
| const GeometrySrcState& geomSrc = this->getGeomSrc(); |
| |
| // 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(fCmdBuffer.back().fType)) { |
| return 0; |
| } |
| |
| Draw* draw = static_cast<Draw*>(&fCmdBuffer.back()); |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| const GrVertexBuffer* vertexBuffer = poolState.fPoolVertexBuffer; |
| |
| if (!draw->fInfo.isInstanced() || |
| draw->fInfo.verticesPerInstance() != info.verticesPerInstance() || |
| draw->fInfo.indicesPerInstance() != info.indicesPerInstance() || |
| draw->fInfo.vertexBuffer() != vertexBuffer || |
| draw->fInfo.indexBuffer() != 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->fInfo.startVertex() + draw->fInfo.vertexCount() != adjustedStartVertex) { |
| return 0; |
| } |
| |
| SkASSERT(poolState.fPoolStartVertex == draw->fInfo.startVertex() + draw->fInfo.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->fInfo.instanceCount(); |
| instancesToConcat = SkTMin(instancesToConcat, info.instanceCount()); |
| |
| // update the amount of reserved vertex data actually referenced in draws |
| size_t vertexBytes = instancesToConcat * info.verticesPerInstance() * ds.getVertexStride(); |
| poolState.fUsedPoolVertexBytes = SkTMax(poolState.fUsedPoolVertexBytes, vertexBytes); |
| |
| draw->fInfo.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(draw->fType)) { |
| fGpuCmdMarkers.back().addSet(this->getActiveTraceMarkers()); |
| } else { |
| fGpuCmdMarkers.push_back(this->getActiveTraceMarkers()); |
| draw->fType = add_trace_bit(draw->fType); |
| } |
| } |
| |
| return instancesToConcat; |
| } |
| |
| void GrInOrderDrawBuffer::onDraw(const GrDrawState& ds, |
| const DrawInfo& info, |
| const ScissorState& scissorState, |
| const GrDeviceCoordTexture* dstCopy) { |
| SkASSERT(info.vertexBuffer() && (!info.isIndexed() || info.indexBuffer())); |
| |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| |
| if (!this->recordStateAndShouldDraw(ds, GrGpu::PrimTypeToDrawType(info.primitiveType()), |
| scissorState, dstCopy)) { |
| return; |
| } |
| |
| Draw* draw; |
| if (info.isInstanced()) { |
| int instancesConcated = this->concatInstancedDraw(ds, info); |
| if (info.instanceCount() > instancesConcated) { |
| draw = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, Draw, (info)); |
| draw->fInfo.adjustInstanceCount(-instancesConcated); |
| } else { |
| return; |
| } |
| } else { |
| draw = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, Draw, (info)); |
| } |
| this->recordTraceMarkersIfNecessary(); |
| |
| // Adjust the starting vertex and index when we are using reserved or array sources to |
| // compensate for the fact that the data was inserted into a larger vb/ib owned by the pool. |
| if (kBuffer_GeometrySrcType != this->getGeomSrc().fVertexSrc) { |
| size_t bytes = (info.vertexCount() + info.startVertex()) * ds.getVertexStride(); |
| poolState.fUsedPoolVertexBytes = SkTMax(poolState.fUsedPoolVertexBytes, bytes); |
| draw->fInfo.adjustStartVertex(poolState.fPoolStartVertex); |
| } |
| |
| if (info.isIndexed() && kBuffer_GeometrySrcType != this->getGeomSrc().fIndexSrc) { |
| size_t bytes = (info.indexCount() + info.startIndex()) * sizeof(uint16_t); |
| poolState.fUsedPoolIndexBytes = SkTMax(poolState.fUsedPoolIndexBytes, bytes); |
| draw->fInfo.adjustStartIndex(poolState.fPoolStartIndex); |
| } |
| } |
| |
| void GrInOrderDrawBuffer::onStencilPath(const GrDrawState& ds, |
| const GrPath* path, |
| const GrClipMaskManager::ScissorState& scissorState, |
| const GrStencilSettings& stencilSettings) { |
| // Only compare the subset of GrDrawState relevant to path stenciling? |
| if (!this->recordStateAndShouldDraw(ds, GrGpu::kStencilPath_DrawType, scissorState, NULL)) { |
| return; |
| } |
| StencilPath* sp = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, StencilPath, (path)); |
| sp->fStencilSettings = stencilSettings; |
| this->recordTraceMarkersIfNecessary(); |
| } |
| |
| void GrInOrderDrawBuffer::onDrawPath(const GrDrawState& ds, |
| const GrPath* path, |
| const GrClipMaskManager::ScissorState& scissorState, |
| const GrStencilSettings& stencilSettings, |
| const GrDeviceCoordTexture* dstCopy) { |
| // TODO: Only compare the subset of GrDrawState relevant to path covering? |
| if (!this->recordStateAndShouldDraw(ds, GrGpu::kDrawPath_DrawType, scissorState, dstCopy)) { |
| return; |
| } |
| DrawPath* dp = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, DrawPath, (path)); |
| dp->fStencilSettings = stencilSettings; |
| this->recordTraceMarkersIfNecessary(); |
| } |
| |
| void GrInOrderDrawBuffer::onDrawPaths(const GrDrawState& ds, |
| const GrPathRange* pathRange, |
| const uint32_t indices[], |
| int count, |
| const float transforms[], |
| PathTransformType transformsType, |
| const GrClipMaskManager::ScissorState& scissorState, |
| const GrStencilSettings& stencilSettings, |
| const GrDeviceCoordTexture* dstCopy) { |
| SkASSERT(pathRange); |
| SkASSERT(indices); |
| SkASSERT(transforms); |
| |
| if (!this->recordStateAndShouldDraw(ds, GrGpu::kDrawPath_DrawType, scissorState, dstCopy)) { |
| return; |
| } |
| |
| uint32_t* savedIndices = fPathIndexBuffer.append(count, indices); |
| float* savedTransforms = fPathTransformBuffer.append(count * |
| GrPathRendering::PathTransformSize(transformsType), transforms); |
| |
| if (kDrawPaths_Cmd == strip_trace_bit(fCmdBuffer.back().fType)) { |
| // The previous command was also DrawPaths. Try to collapse this call into the one |
| // before. Note that stencilling all the paths at once, then covering, may not be |
| // equivalent to two separate draw calls if there is overlap. Blending won't work, |
| // and the combined calls may also cancel each other's winding numbers in some |
| // places. For now the winding numbers are only an issue if the fill is even/odd, |
| // because DrawPaths is currently only used for glyphs, and glyphs in the same |
| // font tend to all wind in the same direction. |
| DrawPaths* previous = static_cast<DrawPaths*>(&fCmdBuffer.back()); |
| if (pathRange == previous->pathRange() && |
| transformsType == previous->fTransformsType && |
| stencilSettings == previous->fStencilSettings && |
| path_fill_type_is_winding(stencilSettings) && |
| !ds.willBlendWithDst()) { |
| // Fold this DrawPaths call into the one previous. |
| previous->fCount += count; |
| return; |
| } |
| } |
| |
| DrawPaths* dp = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, DrawPaths, (pathRange)); |
| dp->fIndicesLocation = savedIndices - fPathIndexBuffer.begin(); |
| dp->fCount = count; |
| dp->fTransformsLocation = savedTransforms - fPathTransformBuffer.begin(); |
| dp->fTransformsType = transformsType; |
| dp->fStencilSettings = stencilSettings; |
| |
| this->recordTraceMarkersIfNecessary(); |
| } |
| |
| void GrInOrderDrawBuffer::onClear(const SkIRect* rect, GrColor color, |
| bool canIgnoreRect, GrRenderTarget* renderTarget) { |
| SkASSERT(renderTarget); |
| SkIRect r; |
| 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 = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, Clear, (renderTarget)); |
| GrColorIsPMAssert(color); |
| clr->fColor = color; |
| clr->fRect = *rect; |
| clr->fCanIgnoreRect = canIgnoreRect; |
| this->recordTraceMarkersIfNecessary(); |
| } |
| |
| void GrInOrderDrawBuffer::clearStencilClip(const SkIRect& rect, |
| bool insideClip, |
| GrRenderTarget* renderTarget) { |
| SkASSERT(renderTarget); |
| ClearStencilClip* clr = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, ClearStencilClip, (renderTarget)); |
| clr->fRect = rect; |
| clr->fInsideClip = insideClip; |
| this->recordTraceMarkersIfNecessary(); |
| } |
| |
| void GrInOrderDrawBuffer::discard(GrRenderTarget* renderTarget) { |
| SkASSERT(renderTarget); |
| if (!this->caps()->discardRenderTargetSupport()) { |
| return; |
| } |
| Clear* clr = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, Clear, (renderTarget)); |
| clr->fColor = GrColor_ILLEGAL; |
| this->recordTraceMarkersIfNecessary(); |
| } |
| |
| void GrInOrderDrawBuffer::setDrawBuffers(DrawInfo* info) { |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| if (kBuffer_GeometrySrcType == this->getGeomSrc().fVertexSrc) { |
| info->setVertexBuffer(this->getGeomSrc().fVertexBuffer); |
| } else { |
| info->setVertexBuffer(poolState.fPoolVertexBuffer); |
| } |
| |
| if (info->isIndexed()) { |
| if (kBuffer_GeometrySrcType == this->getGeomSrc().fIndexSrc) { |
| info->setIndexBuffer(this->getGeomSrc().fIndexBuffer); |
| } else { |
| info->setIndexBuffer(poolState.fPoolIndexBuffer); |
| } |
| } |
| } |
| |
| void GrInOrderDrawBuffer::reset() { |
| SkASSERT(1 == fGeoPoolStateStack.count()); |
| this->resetVertexSource(); |
| this->resetIndexSource(); |
| |
| fCmdBuffer.reset(); |
| fLastState.reset(NULL); |
| fVertexPool.reset(); |
| fIndexPool.reset(); |
| reset_data_buffer(&fPathIndexBuffer, kPathIdxBufferMinReserve); |
| reset_data_buffer(&fPathTransformBuffer, kPathXformBufferMinReserve); |
| fGpuCmdMarkers.reset(); |
| } |
| |
| void GrInOrderDrawBuffer::flush() { |
| if (fFlushing) { |
| return; |
| } |
| |
| this->getContext()->getFontCache()->updateTextures(); |
| |
| SkASSERT(kReserved_GeometrySrcType != this->getGeomSrc().fVertexSrc); |
| SkASSERT(kReserved_GeometrySrcType != this->getGeomSrc().fIndexSrc); |
| |
| if (fCmdBuffer.empty()) { |
| return; |
| } |
| |
| GrAutoTRestore<bool> flushRestore(&fFlushing); |
| fFlushing = true; |
| |
| fVertexPool.unmap(); |
| fIndexPool.unmap(); |
| |
| CmdBuffer::Iter iter(fCmdBuffer); |
| |
| int currCmdMarker = 0; |
| fDstGpu->saveActiveTraceMarkers(); |
| |
| // Updated every time we find a set state cmd to reflect the current state in the playback |
| // stream. |
| SkAutoTUnref<const GrOptDrawState> currentOptState; |
| |
| while (iter.next()) { |
| GrGpuTraceMarker newMarker("", -1); |
| SkString traceString; |
| if (cmd_has_trace_marker(iter->fType)) { |
| traceString = fGpuCmdMarkers[currCmdMarker].toString(); |
| newMarker.fMarker = traceString.c_str(); |
| fDstGpu->addGpuTraceMarker(&newMarker); |
| ++currCmdMarker; |
| } |
| |
| if (kSetState_Cmd == strip_trace_bit(iter->fType)) { |
| SetState* ss = reinterpret_cast<SetState*>(iter.get()); |
| currentOptState.reset(SkRef(ss->fState.get())); |
| } else { |
| iter->execute(this, currentOptState.get()); |
| } |
| |
| if (cmd_has_trace_marker(iter->fType)) { |
| fDstGpu->removeGpuTraceMarker(&newMarker); |
| } |
| } |
| |
| fDstGpu->restoreActiveTraceMarkers(); |
| SkASSERT(fGpuCmdMarkers.count() == currCmdMarker); |
| |
| this->reset(); |
| ++fDrawID; |
| } |
| |
| void GrInOrderDrawBuffer::Draw::execute(GrInOrderDrawBuffer* buf, const GrOptDrawState* optState) { |
| buf->fDstGpu->draw(*optState, fInfo); |
| } |
| |
| void GrInOrderDrawBuffer::StencilPath::execute(GrInOrderDrawBuffer* buf, |
| const GrOptDrawState* optState) { |
| buf->fDstGpu->stencilPath(*optState, this->path(), fStencilSettings); |
| } |
| |
| void GrInOrderDrawBuffer::DrawPath::execute(GrInOrderDrawBuffer* buf, |
| const GrOptDrawState* optState) { |
| buf->fDstGpu->drawPath(*optState, this->path(), fStencilSettings); |
| } |
| |
| void GrInOrderDrawBuffer::DrawPaths::execute(GrInOrderDrawBuffer* buf, |
| const GrOptDrawState* optState) { |
| buf->fDstGpu->drawPaths(*optState, this->pathRange(), |
| &buf->fPathIndexBuffer[fIndicesLocation], fCount, |
| &buf->fPathTransformBuffer[fTransformsLocation], fTransformsType, |
| fStencilSettings); |
| } |
| |
| void GrInOrderDrawBuffer::SetState::execute(GrInOrderDrawBuffer*, const GrOptDrawState*) { |
| } |
| |
| void GrInOrderDrawBuffer::Clear::execute(GrInOrderDrawBuffer* buf, const GrOptDrawState*) { |
| if (GrColor_ILLEGAL == fColor) { |
| buf->fDstGpu->discard(this->renderTarget()); |
| } else { |
| buf->fDstGpu->clear(&fRect, fColor, fCanIgnoreRect, this->renderTarget()); |
| } |
| } |
| |
| void GrInOrderDrawBuffer::ClearStencilClip::execute(GrInOrderDrawBuffer* buf, |
| const GrOptDrawState*) { |
| buf->fDstGpu->clearStencilClip(fRect, fInsideClip, this->renderTarget()); |
| } |
| |
| void GrInOrderDrawBuffer::CopySurface::execute(GrInOrderDrawBuffer* buf, const GrOptDrawState*) { |
| buf->fDstGpu->copySurface(this->dst(), this->src(), fSrcRect, fDstPoint); |
| } |
| |
| bool GrInOrderDrawBuffer::copySurface(GrSurface* dst, |
| GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| if (fDstGpu->canCopySurface(dst, src, srcRect, dstPoint)) { |
| CopySurface* cs = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, CopySurface, (dst, src)); |
| cs->fSrcRect = srcRect; |
| cs->fDstPoint = dstPoint; |
| this->recordTraceMarkersIfNecessary(); |
| return true; |
| } else if (GrDrawTarget::canCopySurface(dst, src, srcRect, dstPoint)) { |
| GrDrawTarget::copySurface(dst, src, srcRect, dstPoint); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| bool GrInOrderDrawBuffer::canCopySurface(const GrSurface* dst, |
| const GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| return fDstGpu->canCopySurface(dst, src, srcRect, dstPoint) || |
| GrDrawTarget::canCopySurface(dst, src, srcRect, dstPoint); |
| } |
| |
| void GrInOrderDrawBuffer::initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) { |
| fDstGpu->initCopySurfaceDstDesc(src, desc); |
| } |
| |
| void GrInOrderDrawBuffer::willReserveVertexAndIndexSpace(int vertexCount, |
| size_t vertexStride, |
| 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; |
| |
| int vcount = vertexCount; |
| int icount = indexCount; |
| |
| if (!insideGeoPush && |
| !unreleasedVertexSpace && |
| !unreleasedIndexSpace && |
| this->geometryHints(vertexStride, &vcount, &icount)) { |
| this->flush(); |
| } |
| } |
| |
| bool GrInOrderDrawBuffer::geometryHints(size_t vertexStride, |
| 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 (indexCount) { |
| int32_t currIndices = fIndexPool.currentBufferIndices(); |
| if (*indexCount > currIndices && |
| (!fIndexPool.preallocatedBuffersRemaining() && |
| *indexCount <= fIndexPool.preallocatedBufferIndices())) { |
| |
| flush = true; |
| } |
| *indexCount = currIndices; |
| } |
| if (vertexCount) { |
| int32_t currVertices = fVertexPool.currentBufferVertices(vertexStride); |
| if (*vertexCount > currVertices && |
| (!fVertexPool.preallocatedBuffersRemaining() && |
| *vertexCount <= fVertexPool.preallocatedBufferVertices(vertexStride))) { |
| |
| flush = true; |
| } |
| *vertexCount = currVertices; |
| } |
| return flush; |
| } |
| |
| bool GrInOrderDrawBuffer::onReserveVertexSpace(size_t vertexSize, |
| int vertexCount, |
| void** vertices) { |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| SkASSERT(vertexCount > 0); |
| SkASSERT(vertices); |
| SkASSERT(0 == poolState.fUsedPoolVertexBytes); |
| |
| *vertices = fVertexPool.makeSpace(vertexSize, |
| vertexCount, |
| &poolState.fPoolVertexBuffer, |
| &poolState.fPoolStartVertex); |
| return SkToBool(*vertices); |
| } |
| |
| bool GrInOrderDrawBuffer::onReserveIndexSpace(int indexCount, void** indices) { |
| GeometryPoolState& poolState = fGeoPoolStateStack.back(); |
| SkASSERT(indexCount > 0); |
| SkASSERT(indices); |
| SkASSERT(0 == poolState.fUsedPoolIndexBytes); |
| |
| *indices = fIndexPool.makeSpace(indexCount, |
| &poolState.fPoolIndexBuffer, |
| &poolState.fPoolStartIndex); |
| return SkToBool(*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); |
| |
| // 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); |
| |
| // 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::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) { |
| poolState.fUsedPoolVertexBytes = restoredState.fVertexSize * restoredState.fVertexCount; |
| } |
| if (kReserved_GeometrySrcType == restoredState.fIndexSrc) { |
| poolState.fUsedPoolIndexBytes = sizeof(uint16_t) * restoredState.fIndexCount; |
| } |
| } |
| |
| bool GrInOrderDrawBuffer::recordStateAndShouldDraw(const GrDrawState& ds, |
| GrGpu::DrawType drawType, |
| const GrClipMaskManager::ScissorState& scissor, |
| const GrDeviceCoordTexture* dstCopy) { |
| SkAutoTUnref<GrOptDrawState> optState( |
| SkNEW_ARGS(GrOptDrawState, (ds, fDstGpu, scissor, dstCopy, drawType))); |
| if (optState->mustSkip()) { |
| return false; |
| } |
| if (!fLastState || *optState != *fLastState) { |
| SetState* ss = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, SetState, (optState)); |
| fLastState.reset(SkRef(optState.get())); |
| ss->fDrawType = drawType; |
| this->recordTraceMarkersIfNecessary(); |
| } |
| return true; |
| } |
| |
| void GrInOrderDrawBuffer::recordTraceMarkersIfNecessary() { |
| SkASSERT(!fCmdBuffer.empty()); |
| SkASSERT(!cmd_has_trace_marker(fCmdBuffer.back().fType)); |
| const GrTraceMarkerSet& activeTraceMarkers = this->getActiveTraceMarkers(); |
| if (activeTraceMarkers.count() > 0) { |
| fCmdBuffer.back().fType = add_trace_bit(fCmdBuffer.back().fType); |
| fGpuCmdMarkers.push_back(activeTraceMarkers); |
| } |
| } |