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Share identical uniform buffers across drawables for background, line. (#1346)

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This commit is contained in:
Tim Sylvester
2023-07-12 09:58:01 -07:00
committed by Bart Louwers
parent 3056f28756
commit 4eef2e3529
18 changed files with 158 additions and 111 deletions
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17
src/mbgl/renderer/layers/render_circle_layer.cpp
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@@ -352,14 +352,17 @@ void RenderCircleLayer::update(gfx::ShaderRegistry& shaders,
std::get<0>(paintPropertyBinders.get<CircleStrokeOpacity>()->interpolationFactor(zoom)),
/* .padding = */ 0};
tileLayerGroup->observeDrawables(renderPass, tileID, [&](gfx::Drawable& drawable) {
drawable.mutableUniformBuffers().createOrUpdate(CircleInterpolateUBOName, &interpolateUBO, context);
});
if (tileLayerGroup->getDrawableCount(renderPass, tileID) > 0) {
// If there are already drawables for this tile, update their UBOs and move on to the next tile.
auto updateExisting = [&](gfx::Drawable& drawable) {
auto& uniforms = drawable.mutableUniformBuffers();
uniforms.createOrUpdate(CircleInterpolateUBOName, &interpolateUBO, context);
};
if (0 < tileLayerGroup->observeDrawables(renderPass, tileID, std::move(updateExisting))) {
continue;
}
const auto interpBuffer = context.createUniformBuffer(&interpolateUBO, sizeof(interpolateUBO));
gfx::VertexAttributeArray circleVertexAttrs;
const auto propertiesAsUniforms = circleVertexAttrs.readDataDrivenPaintProperties<CircleColor,
CircleRadius,
@@ -400,7 +403,9 @@ void RenderCircleLayer::update(gfx::ShaderRegistry& shaders,
for (auto& drawable : circleBuilder->clearDrawables()) {
drawable->setTileID(tileID);
drawable->mutableUniformBuffers().createOrUpdate(CircleInterpolateUBOName, &interpolateUBO, context);
auto& uniforms = drawable->mutableUniformBuffers();
uniforms.addOrReplace(CircleInterpolateUBOName, interpBuffer);
tileLayerGroup->addDrawable(renderPass, tileID, std::move(drawable));
++stats.drawablesAdded;