From b542bae1f5a2726e52a15fa90acec7e7b935cb71 Mon Sep 17 00:00:00 2001
From: joshualitt <joshualitt@chromium.org>
Date: Tue, 28 Jul 2015 09:58:39 -0700
Subject: Rename GrInOrderDrawBuffer to GrBufferedDrawTarget

BUG=skia:

Review URL: https://codereview.chromium.org/1261033002
---
 src/gpu/GrBufferedDrawTarget.cpp | 201 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 201 insertions(+)
 create mode 100644 src/gpu/GrBufferedDrawTarget.cpp

(limited to 'src/gpu/GrBufferedDrawTarget.cpp')

diff --git a/src/gpu/GrBufferedDrawTarget.cpp b/src/gpu/GrBufferedDrawTarget.cpp
new file mode 100644
index 0000000000..f2d9367905
--- /dev/null
+++ b/src/gpu/GrBufferedDrawTarget.cpp
@@ -0,0 +1,201 @@
+/*
+ * 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 "GrBufferedDrawTarget.h"
+
+// We will use the reordering buffer, unless we have NVPR.
+// TODO move NVPR to batch so we can reorder
+static inline bool allow_reordering(const GrCaps* caps) {
+    return caps && caps->shaderCaps() && !caps->shaderCaps()->pathRenderingSupport();
+}
+
+GrBufferedDrawTarget::GrBufferedDrawTarget(GrContext* context)
+    : INHERITED(context)
+    , fCommands(GrCommandBuilder::Create(context->getGpu(), allow_reordering(context->caps())))
+    , fPathIndexBuffer(kPathIdxBufferMinReserve * sizeof(char)/4)
+    , fPathTransformBuffer(kPathXformBufferMinReserve * sizeof(float)/4)
+    , fPipelineBuffer(kPipelineBufferMinReserve)
+    , fDrawID(0) {
+}
+
+GrBufferedDrawTarget::~GrBufferedDrawTarget() {
+    this->reset();
+}
+
+void GrBufferedDrawTarget::onDrawBatch(GrBatch* batch,
+                                       const PipelineInfo& pipelineInfo) {
+    State* state = this->setupPipelineAndShouldDraw(batch, pipelineInfo);
+    if (!state) {
+        return;
+    }
+
+    GrTargetCommands::Cmd* cmd = fCommands->recordDrawBatch(state, batch);
+    this->recordTraceMarkersIfNecessary(cmd);
+}
+
+void GrBufferedDrawTarget::onStencilPath(const GrPipelineBuilder& pipelineBuilder,
+                                         const GrPathProcessor* pathProc,
+                                         const GrPath* path,
+                                         const GrScissorState& scissorState,
+                                         const GrStencilSettings& stencilSettings) {
+    GrTargetCommands::Cmd* cmd = fCommands->recordStencilPath(pipelineBuilder,
+                                                              pathProc, path, scissorState,
+                                                              stencilSettings);
+    this->recordTraceMarkersIfNecessary(cmd);
+}
+
+void GrBufferedDrawTarget::onDrawPath(const GrPathProcessor* pathProc,
+                                      const GrPath* path,
+                                      const GrStencilSettings& stencilSettings,
+                                      const PipelineInfo& pipelineInfo) {
+    State* state = this->setupPipelineAndShouldDraw(pathProc, pipelineInfo);
+    if (!state) {
+        return;
+    }
+    GrTargetCommands::Cmd* cmd = fCommands->recordDrawPath(state, pathProc, path, stencilSettings);
+    this->recordTraceMarkersIfNecessary(cmd);
+}
+
+void GrBufferedDrawTarget::onDrawPaths(const GrPathProcessor* pathProc,
+                                       const GrPathRange* pathRange,
+                                       const void* indices,
+                                       PathIndexType indexType,
+                                       const float transformValues[],
+                                       PathTransformType transformType,
+                                       int count,
+                                       const GrStencilSettings& stencilSettings,
+                                       const PipelineInfo& pipelineInfo) {
+    State* state = this->setupPipelineAndShouldDraw(pathProc, pipelineInfo);
+    if (!state) {
+        return;
+    }
+    GrTargetCommands::Cmd* cmd = fCommands->recordDrawPaths(state, this, pathProc, pathRange,
+                                                            indices, indexType, transformValues,
+                                                            transformType, count,
+                                                            stencilSettings, pipelineInfo);
+    this->recordTraceMarkersIfNecessary(cmd);
+}
+
+void GrBufferedDrawTarget::onClear(const SkIRect* rect, GrColor color,
+                                  bool canIgnoreRect, GrRenderTarget* renderTarget) {
+    GrTargetCommands::Cmd* cmd = fCommands->recordClear(rect, color, canIgnoreRect, renderTarget);
+    this->recordTraceMarkersIfNecessary(cmd);
+}
+
+void GrBufferedDrawTarget::clearStencilClip(const SkIRect& rect,
+                                            bool insideClip,
+                                            GrRenderTarget* renderTarget) {
+    GrTargetCommands::Cmd* cmd = fCommands->recordClearStencilClip(rect, insideClip, renderTarget);
+    this->recordTraceMarkersIfNecessary(cmd);
+}
+
+void GrBufferedDrawTarget::discard(GrRenderTarget* renderTarget) {
+    if (!this->caps()->discardRenderTargetSupport()) {
+        return;
+    }
+
+    GrTargetCommands::Cmd* cmd = fCommands->recordDiscard(renderTarget);
+    this->recordTraceMarkersIfNecessary(cmd);
+}
+
+void GrBufferedDrawTarget::onReset() {
+    fCommands->reset();
+    fPathIndexBuffer.rewind();
+    fPathTransformBuffer.rewind();
+    fGpuCmdMarkers.reset();
+
+    fPrevState.reset(NULL);
+    // Note, fPrevState points into fPipelineBuffer's allocation, so we have to reset first.
+    // Furthermore, we have to reset fCommands before fPipelineBuffer too.
+    if (fDrawID % kPipelineBufferHighWaterMark) {
+        fPipelineBuffer.rewind();
+    } else {
+        fPipelineBuffer.reset();
+    }
+}
+
+void GrBufferedDrawTarget::onFlush() {
+    fCommands->flush(this);
+    ++fDrawID;
+}
+
+void GrBufferedDrawTarget::onCopySurface(GrSurface* dst,
+                                         GrSurface* src,
+                                         const SkIRect& srcRect,
+                                         const SkIPoint& dstPoint) {
+    GrTargetCommands::Cmd* cmd = fCommands->recordCopySurface(dst, src, srcRect, dstPoint);
+    this->recordTraceMarkersIfNecessary(cmd);
+}
+
+void GrBufferedDrawTarget::recordTraceMarkersIfNecessary(GrTargetCommands::Cmd* cmd) {
+    if (!cmd) {
+        return;
+    }
+    const GrTraceMarkerSet& activeTraceMarkers = this->getActiveTraceMarkers();
+    if (activeTraceMarkers.count() > 0) {
+        if (cmd->isTraced()) {
+            fGpuCmdMarkers[cmd->markerID()].addSet(activeTraceMarkers);
+        } else {
+            cmd->setMarkerID(fGpuCmdMarkers.count());
+            fGpuCmdMarkers.push_back(activeTraceMarkers);
+        }
+    }
+}
+
+GrTargetCommands::State*
+GrBufferedDrawTarget::setupPipelineAndShouldDraw(const GrPrimitiveProcessor* primProc,
+                                                 const GrDrawTarget::PipelineInfo& pipelineInfo) {
+    State* state = this->allocState(primProc);
+    this->setupPipeline(pipelineInfo, state->pipelineLocation());
+
+    if (state->getPipeline()->mustSkip()) {
+        this->unallocState(state);
+        return NULL;
+    }
+
+    state->fPrimitiveProcessor->initBatchTracker(
+        &state->fBatchTracker, state->getPipeline()->infoForPrimitiveProcessor());
+
+    if (fPrevState && fPrevState->fPrimitiveProcessor.get() &&
+        fPrevState->fPrimitiveProcessor->canMakeEqual(fPrevState->fBatchTracker,
+                                                      *state->fPrimitiveProcessor,
+                                                      state->fBatchTracker) &&
+        fPrevState->getPipeline()->isEqual(*state->getPipeline())) {
+        this->unallocState(state);
+    } else {
+        fPrevState.reset(state);
+    }
+
+    this->recordTraceMarkersIfNecessary(
+            fCommands->recordXferBarrierIfNecessary(*fPrevState->getPipeline(), *this->caps()));
+    return fPrevState;
+}
+
+GrTargetCommands::State*
+GrBufferedDrawTarget::setupPipelineAndShouldDraw(GrBatch* batch,
+                                                 const GrDrawTarget::PipelineInfo& pipelineInfo) {
+    State* state = this->allocState();
+    this->setupPipeline(pipelineInfo, state->pipelineLocation());
+
+    if (state->getPipeline()->mustSkip()) {
+        this->unallocState(state);
+        return NULL;
+    }
+
+    batch->initBatchTracker(state->getPipeline()->infoForPrimitiveProcessor());
+
+    if (fPrevState && !fPrevState->fPrimitiveProcessor.get() &&
+        fPrevState->getPipeline()->isEqual(*state->getPipeline())) {
+        this->unallocState(state);
+    } else {
+        fPrevState.reset(state);
+    }
+
+    this->recordTraceMarkersIfNecessary(
+            fCommands->recordXferBarrierIfNecessary(*fPrevState->getPipeline(), *this->caps()));
+    return fPrevState;
+}
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