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Drawable Renderer (#1570), Apply render pass to drawables

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This commit is contained in:
Tim Sylvester
2023-05-08 08:52:05 -07:00
committed by Bart Louwers
parent 610fb7d63c
commit b052cb904e
7 changed files with 64 additions and 18 deletions
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28
src/mbgl/renderer/renderer_impl.cpp
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@@ -202,11 +202,9 @@ void Renderer::Impl::render(const RenderTree& renderTree) {
}
// Draw Drawables
{
const auto drawDrawables = [&](const mbgl::RenderPass renderPass){
// TODO: figure out how to make drawables participate in the depth system
// Maybe make it a function mapping draw priority to the depth range (always (0,1)?)
parameters.pass = RenderPass::Opaque;
parameters.currentLayer = parameters.opaquePassCutoff;
parameters.depthRangeSize = 1 - (1 + 2) * parameters.numSublayers * parameters.depthEpsilon;
const auto debugGroup(parameters.renderPass->createDebugGroup("drawables"));
@@ -218,6 +216,12 @@ void Renderer::Impl::render(const RenderTree& renderTree) {
for (const auto& drawPtr : drawables) {
auto& drawable = *drawPtr;
if (!drawable.hasRenderPass(renderPass)) {
continue;
}
if (drawable.hasRenderPass(RenderPass::Opaque) && parameters.currentLayer >= parameters.opaquePassCutoff) {
continue;
}
if (!context.setupDraw(parameters, drawable)) {
continue;
}
@@ -237,16 +241,20 @@ void Renderer::Impl::render(const RenderTree& renderTree) {
drawable.draw(parameters);
}
}
};
parameters.pass = RenderPass::Opaque;
parameters.currentLayer = 0;
parameters.opaquePassCutoff = 1;
drawDrawables(parameters.pass);
// Actually render the layers
parameters.opaquePassCutoff = renderTreeParameters.opaquePassCutOff;
parameters.depthRangeSize = 1 - (layerRenderItems.size() + 2) * parameters.numSublayers * parameters.depthEpsilon;
// - OPAQUE PASS -------------------------------------------------------------------------------
// Render everything top-to-bottom by using reverse iterators. Render opaque objects first.
{
parameters.pass = RenderPass::Opaque;
const auto debugGroup(parameters.renderPass->createDebugGroup("opaque"));
uint32_t i = 0;
@@ -263,10 +271,16 @@ void Renderer::Impl::render(const RenderTree& renderTree) {
}
}
parameters.pass = RenderPass::Translucent;
parameters.currentLayer = 1;
parameters.opaquePassCutoff = 1;
drawDrawables(parameters.pass);
parameters.opaquePassCutoff = renderTreeParameters.opaquePassCutOff;
// - TRANSLUCENT PASS --------------------------------------------------------------------------
// Make a second pass, rendering translucent objects. This time, we render bottom-to-top.
{
parameters.pass = RenderPass::Translucent;
const auto debugGroup(parameters.renderPass->createDebugGroup("translucent"));
int32_t i = static_cast<int32_t>(layerRenderItems.size()) - 1;