From 42469cdb6655ded30367b2add553265770949d86 Mon Sep 17 00:00:00 2001
From: Aleksandar Stojiljkovic <aleksandar.stojiljkovic@mapbox.com>
Date: Sun, 1 Mar 2020 09:58:08 +0200
Subject: [PATCH] Disable depth in heatmap offscreen rendering.

It triggers Metal depth stencil validation error since depth test is enabled with no depth attachment.
---
 .../renderer/layers/render_heatmap_layer.cpp  | 28 +++++++++----------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/src/mbgl/renderer/layers/render_heatmap_layer.cpp b/src/mbgl/renderer/layers/render_heatmap_layer.cpp
index 5f3c36e44..03a7d12fc 100644
--- a/src/mbgl/renderer/layers/render_heatmap_layer.cpp
+++ b/src/mbgl/renderer/layers/render_heatmap_layer.cpp
@@ -130,21 +130,19 @@ void RenderHeatmapLayer::render(PaintParameters& parameters) {
 
             checkRenderability(parameters, programInstance.activeBindingCount(allAttributeBindings));
 
-            programInstance.draw(
-                parameters.context,
-                *renderPass,
-                gfx::Triangles(),
-                parameters.depthModeForSublayer(0, gfx::DepthMaskType::ReadOnly),
-                gfx::StencilMode::disabled(),
-                gfx::ColorMode::additive(),
-                gfx::CullFaceMode::disabled(),
-                *bucket.indexBuffer,
-                bucket.segments,
-                allUniformValues,
-                allAttributeBindings,
-                HeatmapProgram::TextureBindings{},
-                getID()
-            );
+            programInstance.draw(parameters.context,
+                                 *renderPass,
+                                 gfx::Triangles(),
+                                 gfx::DepthMode::disabled(),
+                                 gfx::StencilMode::disabled(),
+                                 gfx::ColorMode::additive(),
+                                 gfx::CullFaceMode::disabled(),
+                                 *bucket.indexBuffer,
+                                 bucket.segments,
+                                 allUniformValues,
+                                 allAttributeBindings,
+                                 HeatmapProgram::TextureBindings{},
+                                 getID());
         }
 
     } else if (parameters.pass == RenderPass::Translucent) {