void GrDrawTarget::drawBatches(GrBatchFlushState* flushState) {
// Draw all the generated geometry.
SkRandom random;
GrRenderTarget* currentRT = nullptr;
SkAutoTDelete<GrGpuCommandBuffer> commandBuffer;
SkRect bounds = SkRect::MakeEmpty();
for (int i = 0; i < fBatches.count(); ++i) {
if (!fBatches[i]) {
continue;
}
if (fBatches[i]->renderTarget() != currentRT) {
if (commandBuffer) {
commandBuffer->end();
if (bounds.intersect(0, 0,
SkIntToScalar(currentRT->width()),
SkIntToScalar(currentRT->height()))) {
SkIRect iBounds;
bounds.roundOut(&iBounds);
commandBuffer->submit(iBounds);
}
commandBuffer.reset();
}
bounds.setEmpty();
currentRT = fBatches[i]->renderTarget();
if (currentRT) {
static const GrGpuCommandBuffer::LoadAndStoreInfo kBasicLoadStoreInfo
{ GrGpuCommandBuffer::LoadOp::kLoad,GrGpuCommandBuffer::StoreOp::kStore,
GrColor_ILLEGAL };
commandBuffer.reset(fGpu->createCommandBuffer(currentRT,
kBasicLoadStoreInfo, // Color
kBasicLoadStoreInfo)); // Stencil
}
flushState->setCommandBuffer(commandBuffer);
}
if (commandBuffer) {
bounds.join(fBatches[i]->bounds());
}
if (fDrawBatchBounds) {
const SkRect& batchBounds = fBatches[i]->bounds();
SkIRect iBatchBounds;
batchBounds.roundOut(&iBatchBounds);
// In multi-draw buffer all the batches use the same render target and we won't need to
// get the batchs bounds.
if (GrRenderTarget* rt = fBatches[i]->renderTarget()) {
fGpu->drawDebugWireRect(rt, iBatchBounds, 0xFF000000 | random.nextU());
}
}
fBatches[i]->draw(flushState);
}
if (commandBuffer) {
commandBuffer->end();
if (bounds.intersect(0, 0,
SkIntToScalar(currentRT->width()),
SkIntToScalar(currentRT->height()))) {
SkIRect iBounds;
bounds.roundOut(&iBounds);
commandBuffer->submit(iBounds);
}
flushState->setCommandBuffer(nullptr);
}
fGpu->finishDrawTarget();
}
