From 6df421e276f88aba6efe320e2d882350b930fcf0 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 1 Dec 2021 10:35:23 +0200
Subject: [PATCH] Submit commands for isolated offscreen rendering

---
 source/backends/vulkan/renderer_backend.cpp | 10 ++++++----
 source/backends/vulkan/renderer_backend.h   |  1 +
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/source/backends/vulkan/renderer_backend.cpp b/source/backends/vulkan/renderer_backend.cpp
index d0bd0c7b..ab77158a 100644
--- a/source/backends/vulkan/renderer_backend.cpp
+++ b/source/backends/vulkan/renderer_backend.cpp
@@ -7,6 +7,7 @@ namespace GL {
 void VulkanRenderer::begin()
 {
 	begin_semaphore = 0;
+	end_semaphore = 0;
 }
 
 void VulkanRenderer::begin(Semaphore &sem)
@@ -18,14 +19,15 @@ void VulkanRenderer::begin(Semaphore &sem)
 
 void VulkanRenderer::end()
 {
-	static_cast<Renderer *>(this)->commands.use_pipeline(0);
+	Renderer &self = *static_cast<Renderer *>(this);
+	self.commands.use_pipeline(0);
+	self.commands.submit_frame(begin_semaphore, end_semaphore);
 }
 
 void VulkanRenderer::end(Semaphore &sem)
 {
-	Renderer &self = *static_cast<Renderer *>(this);
-	self.end();
-	self.commands.submit_frame(begin_semaphore, &sem);
+	end_semaphore = &sem;
+	static_cast<Renderer *>(this)->end();
 }
 
 } // namespace GL
diff --git a/source/backends/vulkan/renderer_backend.h b/source/backends/vulkan/renderer_backend.h
index f1a0725e..d4ebc326 100644
--- a/source/backends/vulkan/renderer_backend.h
+++ b/source/backends/vulkan/renderer_backend.h
@@ -13,6 +13,7 @@ class VulkanRenderer: public NonCopyable
 protected:
 	PipelineState pipeline_state;
 	Semaphore *begin_semaphore;
+	Semaphore *end_semaphore;
 
 	void begin();
 	void begin(Semaphore &);
-- 
2.43.0