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/*
* 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"
// 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();
}
GrInOrderDrawBuffer::GrInOrderDrawBuffer(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) {
}
GrInOrderDrawBuffer::~GrInOrderDrawBuffer() {
this->reset();
}
void GrInOrderDrawBuffer::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 GrInOrderDrawBuffer::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 GrInOrderDrawBuffer::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 GrInOrderDrawBuffer::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 GrInOrderDrawBuffer::onClear(const SkIRect* rect, GrColor color,
bool canIgnoreRect, GrRenderTarget* renderTarget) {
GrTargetCommands::Cmd* cmd = fCommands->recordClear(rect, color, canIgnoreRect, renderTarget);
this->recordTraceMarkersIfNecessary(cmd);
}
void GrInOrderDrawBuffer::clearStencilClip(const SkIRect& rect,
bool insideClip,
GrRenderTarget* renderTarget) {
GrTargetCommands::Cmd* cmd = fCommands->recordClearStencilClip(rect, insideClip, renderTarget);
this->recordTraceMarkersIfNecessary(cmd);
}
void GrInOrderDrawBuffer::discard(GrRenderTarget* renderTarget) {
if (!this->caps()->discardRenderTargetSupport()) {
return;
}
GrTargetCommands::Cmd* cmd = fCommands->recordDiscard(renderTarget);
this->recordTraceMarkersIfNecessary(cmd);
}
void GrInOrderDrawBuffer::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 GrInOrderDrawBuffer::onFlush() {
fCommands->flush(this);
++fDrawID;
}
void GrInOrderDrawBuffer::onCopySurface(GrSurface* dst,
GrSurface* src,
const SkIRect& srcRect,
const SkIPoint& dstPoint) {
GrTargetCommands::Cmd* cmd = fCommands->recordCopySurface(dst, src, srcRect, dstPoint);
this->recordTraceMarkersIfNecessary(cmd);
}
void GrInOrderDrawBuffer::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*
GrInOrderDrawBuffer::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*
GrInOrderDrawBuffer::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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