# HG changeset patch
# User sam <sam@basx.dev>
# Date 1758726884 -25200
# Node ID a9c0f899a734fa6505f8529369f9a554bb3c7a27
# Parent  02e869aded5d5c2d9f246bbb66f3802c81b7b046
fix: issue with presentation-wait semaphores, this time FR

diff -r 02e869aded5d -r a9c0f899a734 semicongine/core/types.nim
--- a/semicongine/core/types.nim	Wed Sep 24 21:57:52 2025 +0700
+++ b/semicongine/core/types.nim	Wed Sep 24 22:14:44 2025 +0700
@@ -93,8 +93,8 @@
     # frame-in-flight handling
     currentFiF*: range[0 .. (INFLIGHTFRAMES - 1).int]
     queueFinishedFence*: array[INFLIGHTFRAMES.int, VkFence]
-    imageAvailableSemaphore*: seq[VkSemaphore]
-    renderFinishedSemaphore*: array[INFLIGHTFRAMES.int, VkSemaphore]
+    imageAvailableSemaphore*: array[INFLIGHTFRAMES.int, VkSemaphore]
+    renderFinishedSemaphore*: seq[VkSemaphore]
     commandBuffers*: array[INFLIGHTFRAMES.int, VkCommandBuffer]
     oldSwapchain*: Swapchain
     oldSwapchainCounter*: int # swaps until old swapchain will be destroyed
diff -r 02e869aded5d -r a9c0f899a734 semicongine/rendering/swapchain.nim
--- a/semicongine/rendering/swapchain.nim	Wed Sep 24 21:57:52 2025 +0700
+++ b/semicongine/rendering/swapchain.nim	Wed Sep 24 22:14:44 2025 +0700
@@ -155,11 +155,11 @@
   # create sync primitives
   for i in 0 ..< INFLIGHTFRAMES:
     swapchain.queueFinishedFence[i] = svkCreateFence(signaled = true)
-    swapchain.renderFinishedSemaphore[i] = svkCreateSemaphore()
+    swapchain.imageAvailableSemaphore[i] = svkCreateSemaphore()
 
-  swapchain.imageAvailableSemaphore.setLen(framebuffers.len)
-  for i in 0 ..< framebuffers.len:
-    swapchain.imageAvailableSemaphore[i] = svkCreateSemaphore()
+  swapchain.renderFinishedSemaphore.setLen(swapchain.framebuffers.len)
+  for i in 0 .. swapchain.renderFinishedSemaphore.high:
+    swapchain.renderFinishedSemaphore[i] = svkCreateSemaphore()
 
   # command buffers
   var commandPoolCreateInfo = VkCommandPoolCreateInfo(
@@ -227,7 +227,7 @@
     swapchain.vk,
     # high(uint64),
     10_000_000'u64, # wait max 10ms
-    swapchain.imageAvailableSemaphore[swapchain.currentFramebufferIndex],
+    swapchain.imageAvailableSemaphore[swapchain.currentFiF],
     VkFence(0),
     addr(swapchain.currentFramebufferIndex),
   )
@@ -239,18 +239,17 @@
   return some(swapchain.framebuffers[swapchain.currentFramebufferIndex])
 
 proc swap(swapchain: Swapchain, commandBuffer: VkCommandBuffer): bool =
-  debugecho "currentFiF: ", swapchain.currentFiF
   var
     waitStage = VkPipelineStageFlags(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT)
     submitInfo = VkSubmitInfo(
       sType: VK_STRUCTURE_TYPE_SUBMIT_INFO,
       waitSemaphoreCount: 1,
-      pWaitSemaphores: addr(swapchain.imageAvailableSemaphore[swapchain.currentFramebufferIndex]),
+      pWaitSemaphores: addr(swapchain.imageAvailableSemaphore[swapchain.currentFiF]),
       pWaitDstStageMask: addr(waitStage),
       commandBufferCount: 1,
       pCommandBuffers: addr(commandBuffer),
       signalSemaphoreCount: 1,
-      pSignalSemaphores: addr(swapchain.renderFinishedSemaphore[swapchain.currentFiF]),
+      pSignalSemaphores: addr(swapchain.renderFinishedSemaphore[swapchain.currentFramebufferIndex]),
     )
   checkVkResult vkQueueSubmit(
     queue = engine().vulkan.graphicsQueue,
@@ -262,7 +261,7 @@
   var presentInfo = VkPresentInfoKHR(
     sType: VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
     waitSemaphoreCount: 1,
-    pWaitSemaphores: addr(swapchain.renderFinishedSemaphore[swapchain.currentFiF]),
+    pWaitSemaphores: addr(swapchain.renderFinishedSemaphore[swapchain.currentFramebufferIndex]),
     swapchainCount: 1,
     pSwapchains: addr(swapchain.vk),
     pImageIndices: addr(swapchain.currentFramebufferIndex),