[core] Remove RenderPass::Upload

src/mbgl/renderer/layers/render_heatmap_layer.cpp

@@ -41,7 +41,7 @@ void RenderHeatmapLayer::evaluate(const PropertyEvaluationParameters& parameters
         unevaluated.evaluate(parameters));
 
     passes = (properties->evaluated.get<style::HeatmapOpacity>() > 0)
-            ? (RenderPass::Translucent | RenderPass::Pass3D | RenderPass::Upload)
+            ? (RenderPass::Translucent | RenderPass::Pass3D)
             : RenderPass::None;
 
     evaluatedProperties = std::move(properties);

src/mbgl/renderer/layers/render_line_layer.cpp

@@ -47,7 +47,7 @@ void RenderLineLayer::evaluate(const PropertyEvaluationParameters& parameters) {
     passes = (evaluated.get<style::LineOpacity>().constantOr(1.0) > 0
               && evaluated.get<style::LineColor>().constantOr(Color::black()).a > 0
               && evaluated.get<style::LineWidth>().constantOr(1.0) > 0)
-             ? RenderPass::Translucent | RenderPass::Upload : RenderPass::None;
+             ? RenderPass::Translucent : RenderPass::None;
     evaluatedProperties = std::move(properties);
 }
 

src/mbgl/renderer/layers/render_symbol_layer.cpp

@@ -262,7 +262,7 @@ void RenderSymbolLayer::evaluate(const PropertyEvaluationParameters& parameters)
 
     passes = ((evaluated.get<style::IconOpacity>().constantOr(1) > 0 && hasIconOpacity && iconSize > 0)
               || (evaluated.get<style::TextOpacity>().constantOr(1) > 0 && hasTextOpacity && textSize > 0))
-             ? RenderPass::Translucent | RenderPass::Upload : RenderPass::None;
+             ? RenderPass::Translucent : RenderPass::None;
 
     evaluatedProperties = std::move(properties);
 }

src/mbgl/renderer/render_pass.hpp

@@ -12,7 +12,6 @@ enum class RenderPass : uint8_t {
     Opaque = 1 << 0,
     Translucent = 1 << 1,
     Pass3D = 1 << 2,
-    Upload = 1 << 3,
 };
 
 MBGL_CONSTEXPR RenderPass operator|(RenderPass a, RenderPass b) {

src/mbgl/renderer/renderer_impl.cpp

@@ -387,10 +387,7 @@ void Renderer::Impl::render(const UpdateParameters& updateParameters) {
         }
 
         for (auto& renderItem : renderItems) {
-            RenderLayer& renderLayer = renderItem.layer;
-            if (renderLayer.hasRenderPass(RenderPass::Upload)) {
-                renderLayer.upload(*uploadPass);
-            }
+            renderItem.layer.get().upload(*uploadPass);
         }
 
         staticData->upload(*uploadPass);