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Start capping the time budget for draw opaque

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This commit is contained in:
samcake 2017-02-10 14:29:29 -08:00
parent 542a668723
commit 37541e4ed2
3 changed files with 108 additions and 2 deletions
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3
libraries/render-utils/src/RenderDeferredTask.cpp
View file

@ -295,7 +295,8 @@ void DrawStateSortDeferred::run(const SceneContextPointer& sceneContext, const R
batch.setUniformBuffer(render::ShapePipeline::Slot::LIGHTING_MODEL, lightingModel->getParametersBuffer());
if (_stateSort) {
renderStateSortShapes(sceneContext, renderContext, _shapePlumber, inItems, _maxDrawn);
// renderStateSortShapes(sceneContext, renderContext, _shapePlumber, inItems, _maxDrawn);
renderStateSortShapesCapped(sceneContext, renderContext, _shapePlumber, inItems, 2.0, _maxDrawn);
} else {
renderShapes(sceneContext, renderContext, _shapePlumber, inItems, _maxDrawn);
}

105
libraries/render/src/render/DrawTask.cpp
View file

@ -123,6 +123,111 @@ void render::renderStateSortShapes(const SceneContextPointer& sceneContext, cons
}
}
void render::renderStateSortShapesCapped(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const ShapePlumberPointer& shapeContext, const ItemBounds& inItems, double mstimeBudget, int maxDrawnItems) {
auto& scene = sceneContext->_scene;
RenderArgs* args = renderContext->args;
auto now = usecTimestampNow();
int numItemsToDraw = (int)inItems.size();
if (maxDrawnItems != -1) {
numItemsToDraw = glm::min(numItemsToDraw, maxDrawnItems);
}
using SortedPipelines = std::vector<render::ShapeKey>;
using SortedShapes = std::unordered_map<render::ShapeKey, std::vector<Item>, render::ShapeKey::Hash, render::ShapeKey::KeyEqual>;
SortedPipelines sortedPipelines;
SortedShapes sortedShapes;
std::vector<Item> ownPipelineBucket;
{
PROFILE_RANGE(render_detail, "sort");
for (auto i = 0; i < numItemsToDraw; ++i) {
auto item = scene->getItem(inItems[i].id);
{
assert(item.getKey().isShape());
const auto key = item.getShapeKey();
if (key.isValid() && !key.hasOwnPipeline()) {
auto& bucket = sortedShapes[key];
if (bucket.empty()) {
sortedPipelines.push_back(key);
}
bucket.push_back(item);
} else if (key.hasOwnPipeline()) {
ownPipelineBucket.push_back(item);
} else {
qCDebug(renderlogging) << "Item could not be rendered with invalid key" << key;
}
}
}
}
{
PROFILE_RANGE(render_detail, "render");
// Then render
quint64 usecHalfBudget = 1000 * 0.5 * mstimeBudget;
quint64 usecBudget = 1000 * mstimeBudget;
int numDrawCalls = 0;
int numDrawcallsChecks = 128;
int numChecks = 0;
int numChecksBudget = 4;
for (auto& pipelineKey : sortedPipelines) {
auto& bucket = sortedShapes[pipelineKey];
args->_pipeline = shapeContext->pickPipeline(args, pipelineKey);
if (!args->_pipeline) {
continue;
}
for (auto& item : bucket) {
item.render(args);
numDrawCalls++;
if ((numDrawCalls % numDrawcallsChecks) == 0) {
auto newNow = usecTimestampNow();
if ((newNow - now) > usecHalfBudget) {
if ((newNow - now) > usecBudget) {
return;
}
usecHalfBudget += (usecHalfBudget / 2);
numDrawcallsChecks / 2;
numChecks++;
if (numChecks > numChecksBudget) {
return;
}
}
}
}
}
args->_pipeline = nullptr;
for (auto& item : ownPipelineBucket) {
item.render(args);
numDrawCalls++;
if ((numDrawCalls % numDrawcallsChecks) == 0) {
auto newNow = usecTimestampNow();
if ((newNow - now) > usecHalfBudget) {
if ((newNow - now) > usecBudget) {
return;
}
usecHalfBudget += (usecHalfBudget / 2);
numDrawcallsChecks / 2;
numChecks++;
if (numChecks > numChecksBudget) {
return;
}
}
}
}
}
}
void DrawLight::run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const ItemBounds& inLights) {
assert(renderContext->args);
assert(renderContext->args->hasViewFrustum());

2
libraries/render/src/render/DrawTask.h
View file

@ -19,7 +19,7 @@ namespace render {
void renderItems(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const ItemBounds& inItems, int maxDrawnItems = -1);
void renderShapes(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const ShapePlumberPointer& shapeContext, const ItemBounds& inItems, int maxDrawnItems = -1);
void renderStateSortShapes(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const ShapePlumberPointer& shapeContext, const ItemBounds& inItems, int maxDrawnItems = -1);
void renderStateSortShapesCapped(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext, const ShapePlumberPointer& shapeContext, const ItemBounds& inItems, double mstimeBudget, int maxDrawnItems = -1);
class DrawLightConfig : public Job::Config {