Split GrTargetCommands into its own files
Review URL: https://codereview.chromium.org/979493002
diff --git a/src/gpu/GrTargetCommands.cpp b/src/gpu/GrTargetCommands.cpp
new file mode 100644
index 0000000..d326226
--- /dev/null
+++ b/src/gpu/GrTargetCommands.cpp
@@ -0,0 +1,472 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrTargetCommands.h"
+
+#include "GrColor.h"
+#include "GrDefaultGeoProcFactory.h"
+#include "GrInOrderDrawBuffer.h"
+#include "GrTemplates.h"
+#include "SkPoint.h"
+
+void GrTargetCommands::closeBatch() {
+ if (fDrawBatch) {
+ fBatchTarget.resetNumberOfDraws();
+ fDrawBatch->execute(NULL, fPrevState);
+ fDrawBatch->fBatch->setNumberOfDraws(fBatchTarget.numberOfDraws());
+ fDrawBatch = NULL;
+ }
+}
+
+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;
+}
+
+int GrTargetCommands::concatInstancedDraw(GrInOrderDrawBuffer* iodb,
+ const GrDrawTarget::DrawInfo& info) {
+ SkASSERT(!fCmdBuffer.empty());
+ SkASSERT(info.isInstanced());
+
+ const GrIndexBuffer* ib;
+ if (!iodb->canConcatToIndexBuffer(&ib)) {
+ 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 (Cmd::kDraw_Cmd != fCmdBuffer.back().type()) {
+ return 0;
+ }
+
+ Draw* draw = static_cast<Draw*>(&fCmdBuffer.back());
+
+ if (!draw->fInfo.isInstanced() ||
+ draw->fInfo.primitiveType() != info.primitiveType() ||
+ draw->fInfo.verticesPerInstance() != info.verticesPerInstance() ||
+ draw->fInfo.indicesPerInstance() != info.indicesPerInstance() ||
+ draw->fInfo.vertexBuffer() != info.vertexBuffer() ||
+ draw->fInfo.indexBuffer() != ib) {
+ return 0;
+ }
+ if (draw->fInfo.startVertex() + draw->fInfo.vertexCount() != info.startVertex()) {
+ return 0;
+ }
+
+ // how many instances can be concat'ed onto draw given the size of the index buffer
+ int instancesToConcat = iodb->indexCountInCurrentSource() / info.indicesPerInstance();
+ instancesToConcat -= draw->fInfo.instanceCount();
+ instancesToConcat = SkTMin(instancesToConcat, info.instanceCount());
+
+ draw->fInfo.adjustInstanceCount(instancesToConcat);
+
+ // update last fGpuCmdMarkers to include any additional trace markers that have been added
+ iodb->recordTraceMarkersIfNecessary(draw);
+ return instancesToConcat;
+}
+
+GrTargetCommands::Cmd* GrTargetCommands::recordDraw(
+ GrInOrderDrawBuffer* iodb,
+ const GrGeometryProcessor* gp,
+ const GrDrawTarget::DrawInfo& info,
+ const GrDrawTarget::PipelineInfo& pipelineInfo) {
+ SkASSERT(info.vertexBuffer() && (!info.isIndexed() || info.indexBuffer()));
+ this->closeBatch();
+
+ if (!this->setupPipelineAndShouldDraw(iodb, gp, pipelineInfo)) {
+ return NULL;
+ }
+
+ Draw* draw;
+ if (info.isInstanced()) {
+ int instancesConcated = this->concatInstancedDraw(iodb, info);
+ if (info.instanceCount() > instancesConcated) {
+ draw = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, Draw, (info));
+ draw->fInfo.adjustInstanceCount(-instancesConcated);
+ } else {
+ return NULL;
+ }
+ } else {
+ draw = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, Draw, (info));
+ }
+
+ return draw;
+}
+
+GrTargetCommands::Cmd* GrTargetCommands::recordDrawBatch(
+ GrInOrderDrawBuffer* iodb,
+ GrBatch* batch,
+ const GrDrawTarget::PipelineInfo& pipelineInfo) {
+ if (!this->setupPipelineAndShouldDraw(iodb, batch, pipelineInfo)) {
+ return NULL;
+ }
+
+ // Check if there is a Batch Draw we can batch with
+ if (Cmd::kDrawBatch_Cmd != fCmdBuffer.back().type() || !fDrawBatch) {
+ fDrawBatch = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, DrawBatch, (batch, &fBatchTarget));
+ return fDrawBatch;
+ }
+
+ SkASSERT(&fCmdBuffer.back() == fDrawBatch);
+ if (!fDrawBatch->fBatch->combineIfPossible(batch)) {
+ this->closeBatch();
+ fDrawBatch = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, DrawBatch, (batch, &fBatchTarget));
+ }
+
+ return fDrawBatch;
+}
+
+GrTargetCommands::Cmd* GrTargetCommands::recordStencilPath(
+ GrInOrderDrawBuffer* iodb,
+ const GrPipelineBuilder& pipelineBuilder,
+ const GrPathProcessor* pathProc,
+ const GrPath* path,
+ const GrScissorState& scissorState,
+ const GrStencilSettings& stencilSettings) {
+ this->closeBatch();
+
+ StencilPath* sp = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, StencilPath,
+ (path, pipelineBuilder.getRenderTarget()));
+
+ sp->fScissor = scissorState;
+ sp->fUseHWAA = pipelineBuilder.isHWAntialias();
+ sp->fViewMatrix = pathProc->viewMatrix();
+ sp->fStencil = stencilSettings;
+ return sp;
+}
+
+GrTargetCommands::Cmd* GrTargetCommands::recordDrawPath(
+ GrInOrderDrawBuffer* iodb,
+ const GrPathProcessor* pathProc,
+ const GrPath* path,
+ const GrStencilSettings& stencilSettings,
+ const GrDrawTarget::PipelineInfo& pipelineInfo) {
+ this->closeBatch();
+
+ // TODO: Only compare the subset of GrPipelineBuilder relevant to path covering?
+ if (!this->setupPipelineAndShouldDraw(iodb, pathProc, pipelineInfo)) {
+ return NULL;
+ }
+ DrawPath* dp = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, DrawPath, (path));
+ dp->fStencilSettings = stencilSettings;
+ return dp;
+}
+
+GrTargetCommands::Cmd* GrTargetCommands::recordDrawPaths(
+ GrInOrderDrawBuffer* iodb,
+ const GrPathProcessor* pathProc,
+ const GrPathRange* pathRange,
+ const void* indexValues,
+ GrDrawTarget::PathIndexType indexType,
+ const float transformValues[],
+ GrDrawTarget::PathTransformType transformType,
+ int count,
+ const GrStencilSettings& stencilSettings,
+ const GrDrawTarget::PipelineInfo& pipelineInfo) {
+ SkASSERT(pathRange);
+ SkASSERT(indexValues);
+ SkASSERT(transformValues);
+ this->closeBatch();
+
+ if (!this->setupPipelineAndShouldDraw(iodb, pathProc, pipelineInfo)) {
+ return NULL;
+ }
+
+ char* savedIndices;
+ float* savedTransforms;
+
+ iodb->appendIndicesAndTransforms(indexValues, indexType,
+ transformValues, transformType,
+ count, &savedIndices, &savedTransforms);
+
+ if (Cmd::kDrawPaths_Cmd == fCmdBuffer.back().type()) {
+ // The previous command was also DrawPaths. Try to collapse this call into the one
+ // before. Note that stenciling 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() &&
+ indexType == previous->fIndexType &&
+ transformType == previous->fTransformType &&
+ stencilSettings == previous->fStencilSettings &&
+ path_fill_type_is_winding(stencilSettings) &&
+ !pipelineInfo.willBlendWithDst(pathProc)) {
+ const int indexBytes = GrPathRange::PathIndexSizeInBytes(indexType);
+ const int xformSize = GrPathRendering::PathTransformSize(transformType);
+ if (&previous->fIndices[previous->fCount*indexBytes] == savedIndices &&
+ (0 == xformSize ||
+ &previous->fTransforms[previous->fCount*xformSize] == savedTransforms)) {
+ // Fold this DrawPaths call into the one previous.
+ previous->fCount += count;
+ return NULL;
+ }
+ }
+ }
+
+ DrawPaths* dp = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, DrawPaths, (pathRange));
+ dp->fIndices = savedIndices;
+ dp->fIndexType = indexType;
+ dp->fTransforms = savedTransforms;
+ dp->fTransformType = transformType;
+ dp->fCount = count;
+ dp->fStencilSettings = stencilSettings;
+ return dp;
+}
+
+GrTargetCommands::Cmd* GrTargetCommands::recordClear(GrInOrderDrawBuffer* iodb,
+ const SkIRect* rect,
+ GrColor color,
+ bool canIgnoreRect,
+ GrRenderTarget* renderTarget) {
+ SkASSERT(renderTarget);
+ this->closeBatch();
+
+ 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;
+ return clr;
+}
+
+GrTargetCommands::Cmd* GrTargetCommands::recordClearStencilClip(GrInOrderDrawBuffer* iodb,
+ const SkIRect& rect,
+ bool insideClip,
+ GrRenderTarget* renderTarget) {
+ SkASSERT(renderTarget);
+ this->closeBatch();
+
+ ClearStencilClip* clr = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, ClearStencilClip, (renderTarget));
+ clr->fRect = rect;
+ clr->fInsideClip = insideClip;
+ return clr;
+}
+
+GrTargetCommands::Cmd* GrTargetCommands::recordDiscard(GrInOrderDrawBuffer* iodb,
+ GrRenderTarget* renderTarget) {
+ SkASSERT(renderTarget);
+ this->closeBatch();
+
+ Clear* clr = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, Clear, (renderTarget));
+ clr->fColor = GrColor_ILLEGAL;
+ return clr;
+}
+
+void GrTargetCommands::reset() {
+ fCmdBuffer.reset();
+ fPrevState = NULL;
+ fDrawBatch = NULL;
+}
+
+void GrTargetCommands::flush(GrInOrderDrawBuffer* iodb) {
+ if (fCmdBuffer.empty()) {
+ return;
+ }
+
+ // Updated every time we find a set state cmd to reflect the current state in the playback
+ // stream.
+ SetState* currentState = NULL;
+
+ // TODO this is temporary while batch is being rolled out
+ this->closeBatch();
+ iodb->getVertexAllocPool()->unmap();
+ iodb->getIndexAllocPool()->unmap();
+ fBatchTarget.preFlush();
+
+ currentState = NULL;
+ CmdBuffer::Iter iter(fCmdBuffer);
+
+ int currCmdMarker = 0;
+
+ GrGpu* gpu = iodb->getGpu();
+
+ int i = 0;
+ while (iter.next()) {
+ i++;
+ GrGpuTraceMarker newMarker("", -1);
+ SkString traceString;
+ if (iter->isTraced()) {
+ traceString = iodb->getCmdString(currCmdMarker);
+ newMarker.fMarker = traceString.c_str();
+ gpu->addGpuTraceMarker(&newMarker);
+ ++currCmdMarker;
+ }
+
+ // TODO temporary hack
+ if (Cmd::kDrawBatch_Cmd == iter->type()) {
+ DrawBatch* db = reinterpret_cast<DrawBatch*>(iter.get());
+ fBatchTarget.flushNext(db->fBatch->numberOfDraws());
+ continue;
+ }
+
+ if (Cmd::kSetState_Cmd == iter->type()) {
+ SetState* ss = reinterpret_cast<SetState*>(iter.get());
+
+ // TODO sometimes we have a prim proc, othertimes we have a GrBatch. Eventually we
+ // will only have GrBatch and we can delete this
+ if (ss->fPrimitiveProcessor) {
+ gpu->buildProgramDesc(&ss->fDesc, *ss->fPrimitiveProcessor,
+ *ss->getPipeline(),
+ ss->fBatchTracker);
+ }
+ currentState = ss;
+ } else {
+ iter->execute(gpu, currentState);
+ }
+
+ if (iter->isTraced()) {
+ gpu->removeGpuTraceMarker(&newMarker);
+ }
+ }
+
+ // TODO see copious notes about hack
+ fBatchTarget.postFlush();
+}
+
+void GrTargetCommands::Draw::execute(GrGpu* gpu, const SetState* state) {
+ SkASSERT(state);
+ DrawArgs args(state->fPrimitiveProcessor.get(), state->getPipeline(), &state->fDesc,
+ &state->fBatchTracker);
+ gpu->draw(args, fInfo);
+}
+
+void GrTargetCommands::StencilPath::execute(GrGpu* gpu, const SetState*) {
+ GrGpu::StencilPathState state;
+ state.fRenderTarget = fRenderTarget.get();
+ state.fScissor = &fScissor;
+ state.fStencil = &fStencil;
+ state.fUseHWAA = fUseHWAA;
+ state.fViewMatrix = &fViewMatrix;
+
+ gpu->stencilPath(this->path(), state);
+}
+
+void GrTargetCommands::DrawPath::execute(GrGpu* gpu, const SetState* state) {
+ SkASSERT(state);
+ DrawArgs args(state->fPrimitiveProcessor.get(), state->getPipeline(), &state->fDesc,
+ &state->fBatchTracker);
+ gpu->drawPath(args, this->path(), fStencilSettings);
+}
+
+void GrTargetCommands::DrawPaths::execute(GrGpu* gpu, const SetState* state) {
+ SkASSERT(state);
+ DrawArgs args(state->fPrimitiveProcessor.get(), state->getPipeline(), &state->fDesc,
+ &state->fBatchTracker);
+ gpu->drawPaths(args, this->pathRange(),
+ fIndices, fIndexType,
+ fTransforms, fTransformType,
+ fCount, fStencilSettings);
+}
+
+void GrTargetCommands::DrawBatch::execute(GrGpu*, const SetState* state) {
+ SkASSERT(state);
+ fBatch->generateGeometry(fBatchTarget, state->getPipeline());
+}
+
+void GrTargetCommands::SetState::execute(GrGpu*, const SetState*) {}
+
+void GrTargetCommands::Clear::execute(GrGpu* gpu, const SetState*) {
+ if (GrColor_ILLEGAL == fColor) {
+ gpu->discard(this->renderTarget());
+ } else {
+ gpu->clear(&fRect, fColor, fCanIgnoreRect, this->renderTarget());
+ }
+}
+
+void GrTargetCommands::ClearStencilClip::execute(GrGpu* gpu, const SetState*) {
+ gpu->clearStencilClip(fRect, fInsideClip, this->renderTarget());
+}
+
+void GrTargetCommands::CopySurface::execute(GrGpu* gpu, const SetState*) {
+ gpu->copySurface(this->dst(), this->src(), fSrcRect, fDstPoint);
+}
+
+GrTargetCommands::Cmd* GrTargetCommands::recordCopySurface(GrInOrderDrawBuffer* iodb,
+ GrSurface* dst,
+ GrSurface* src,
+ const SkIRect& srcRect,
+ const SkIPoint& dstPoint) {
+ if (iodb->getGpu()->canCopySurface(dst, src, srcRect, dstPoint)) {
+ this->closeBatch();
+ CopySurface* cs = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, CopySurface, (dst, src));
+ cs->fSrcRect = srcRect;
+ cs->fDstPoint = dstPoint;
+ return cs;
+ }
+ return NULL;
+}
+
+bool GrTargetCommands::setupPipelineAndShouldDraw(GrInOrderDrawBuffer* iodb,
+ const GrPrimitiveProcessor* primProc,
+ const GrDrawTarget::PipelineInfo& pipelineInfo) {
+ SetState* ss = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, SetState, (primProc));
+ iodb->setupPipeline(pipelineInfo, ss->pipelineLocation());
+
+ if (ss->getPipeline()->mustSkip()) {
+ fCmdBuffer.pop_back();
+ return false;
+ }
+
+ ss->fPrimitiveProcessor->initBatchTracker(&ss->fBatchTracker,
+ ss->getPipeline()->getInitBatchTracker());
+
+ if (fPrevState && fPrevState->fPrimitiveProcessor.get() &&
+ fPrevState->fPrimitiveProcessor->canMakeEqual(fPrevState->fBatchTracker,
+ *ss->fPrimitiveProcessor,
+ ss->fBatchTracker) &&
+ fPrevState->getPipeline()->isEqual(*ss->getPipeline())) {
+ fCmdBuffer.pop_back();
+ } else {
+ fPrevState = ss;
+ iodb->recordTraceMarkersIfNecessary(ss);
+ }
+ return true;
+}
+
+bool GrTargetCommands::setupPipelineAndShouldDraw(GrInOrderDrawBuffer* iodb,
+ GrBatch* batch,
+ const GrDrawTarget::PipelineInfo& pipelineInfo) {
+ SetState* ss = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, SetState, ());
+ iodb->setupPipeline(pipelineInfo, ss->pipelineLocation());
+
+ if (ss->getPipeline()->mustSkip()) {
+ fCmdBuffer.pop_back();
+ return false;
+ }
+
+ batch->initBatchTracker(ss->getPipeline()->getInitBatchTracker());
+
+ if (fPrevState && !fPrevState->fPrimitiveProcessor.get() &&
+ fPrevState->getPipeline()->isEqual(*ss->getPipeline())) {
+ fCmdBuffer.pop_back();
+ } else {
+ this->closeBatch();
+ fPrevState = ss;
+ iodb->recordTraceMarkersIfNecessary(ss);
+ }
+ return true;
+}
+