make it work!

shadersrc/rainbow_lit.frag

@@ -15,7 +15,7 @@ layout(set = 0, binding = 1) uniform  SceneData{
 } sceneData;
 
 void main() {
-    //outColor = vec4(fragColor.xyz + sceneData.ambientColor.xyz, 1.0f);
+    outColor = vec4(fragColor.xyz + sceneData.ambientColor.xyz, 1.0f);
     //outColor = fragColor;
-    outColor = sceneData.ambientColor;
+    //outColor = sceneData.ambientColor;
 }

src/CommandBuffer.hs

@@ -150,7 +150,7 @@ createFrames physicalDevice logicalDevice allocator descriptorPool setLayout obj
             cameraInfo
             0
           sceneWrite = writeDescriptorBuffer
-            Vk.DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
+            Vk.DESCRIPTOR_TYPE_UNIFORM_BUFFER -- _DYNAMIC
             (V.head globalDescriptor)
             sceneInfo
             1
@@ -175,6 +175,7 @@ createFrames physicalDevice logicalDevice allocator descriptorPool setLayout obj
         , frameCommandPool       = commandPool
         , frameMainCommandBuffer = V.head commandBuffer
         , frameCameraBuffer      = cameraBuffer
+        , frameSceneBuffer       = sceneBuffer
         , frameObjectBuffer      = objectBuffer
         , frameGlobalDescriptor  = V.head globalDescriptor
         , frameObjectDescriptor  = V.head objectDescriptor
@@ -265,8 +266,8 @@ recordCommandBuffer
     Vk.cmdSetScissor commandBuffer 0 (V.singleton scissor)
 
     let framed = fromIntegral frameNumber / 120
-        -- ambient = normalize $ V4 (sin framed) 0 (cos framed) 1
+        ambient = normalize $ V4 (sin framed) 0 (cos framed) 1
-        ambient = V4 1 0 1 1
+        -- ambient = V4 1 0 1 1
         ambientParams = sceneParameters
           { ambientColor = ambient
           }
@@ -276,8 +277,10 @@ recordCommandBuffer
           deviceProps
 
 
-    liftIO $ VMA.withMappedMemory allocator (bufferAllocation sceneParameterBuffer) bracket $
+    liftIO $ do
-      \scenePointer ->
+      -- VMA.withMappedMemory allocator (bufferAllocation (frameSceneBuffer frame)) bracket $
+      --   \scenePointer ->
+        let scenePointer = VMA.mappedData (bufferInfo (frameSceneBuffer frame))
 
         -- dataPointer <- liftIO $ new scenePointer
 
@@ -289,7 +292,7 @@ recordCommandBuffer
         --   (sizeOf undefinedGPUSceneData)
 
         liftIO $ poke
-          (castPtr scenePointer `plusPtr` (fromIntegral sceneDataOffset * frameIndex))
+          (castPtr scenePointer)
           -- (castPtr scenePointer `plusPtr`
           --   (fromIntegral $
           --     padUniformBufferSize (fromIntegral $ sizeOf (undefinedGPUSceneData)) deviceProps))--  *
@@ -356,7 +359,7 @@ recordCommandBuffer
           (materialPipelineLayout material)
           0
           (V.singleton $ frameGlobalDescriptor frame)
-          (V.singleton $ fromIntegral uniformOffset)
+          V.empty -- (V.singleton $ fromIntegral uniformOffset)
 
         Vk.cmdBindDescriptorSets
           commandBuffer

src/Init.hs

@@ -156,9 +156,9 @@ initVulkan window = do
       )
     <*> createAllocatedBuffer
       allocator
-      (sizeOf undefinedGPUSceneData)
+      (sizeOf undefinedGPUSceneData * frameOverlap)
       Vk.BUFFER_USAGE_UNIFORM_BUFFER_BIT
-      VMA.MEMORY_USAGE_CPU_TO_GPU
+      VMA.MEMORY_USAGE_GPU_ONLY
 
 
 initScene :: (MonadReader ReadState m, MonadIO m) => m ()
@@ -202,7 +202,7 @@ initDescriptors device = do
         Vk.SHADER_STAGE_VERTEX_BIT
         0
       sceneBind = descriptorsetLayoutBinding
-        Vk.DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
+        Vk.DESCRIPTOR_TYPE_UNIFORM_BUFFER -- _DYNAMIC
         Vk.SHADER_STAGE_FRAGMENT_BIT
         1
       objectBind = descriptorsetLayoutBinding
@@ -229,7 +229,7 @@ initDescriptors device = do
             , Vk.descriptorCount = 10
             }
           , Vk.zero
-            { Vk.type'           = Vk.DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
+            { Vk.type'           = Vk.DESCRIPTOR_TYPE_UNIFORM_BUFFER -- _DYNAMIC
             , Vk.descriptorCount = 10
             }
           , Vk.zero

src/Memory.hs

@@ -6,6 +6,8 @@ module Memory where
 import Control.Monad.IO.Class
 import Control.Monad.Trans.Resource
 
+import Data.Bits ((.|.))
+
 import Foreign.Ptr
 
 import qualified VulkanMemoryAllocator as VMA
@@ -61,13 +63,16 @@ createAllocatedBuffer allocator allocationSize usage memoryUsage = do
         }
       vmaAllocationInfo = Vk.zero
         { VMA.usage = memoryUsage
+        , VMA.flags = VMA.ALLOCATION_CREATE_MAPPED_BIT
+        , VMA.requiredFlags = Vk.MEMORY_PROPERTY_HOST_VISIBLE_BIT .|. Vk.MEMORY_PROPERTY_HOST_COHERENT_BIT
+        , VMA.preferredFlags = Vk.MEMORY_PROPERTY_DEVICE_LOCAL_BIT
         } :: VMA.AllocationCreateInfo
 
-  (_, (buffer, newAllocation, _)) <- allocate
+  (_, (buffer, newAllocation, info)) <- allocate
     (VMA.createBuffer allocator bufferInfo vmaAllocationInfo)
     (\(buffer, newAllocation, _) -> do
       putStrLn "destroying buffer"
       VMA.destroyBuffer allocator buffer newAllocation
       )
 
-  return $ AllocatedBuffer buffer newAllocation
+  return $ AllocatedBuffer buffer newAllocation info

src/Mesh.hs

@@ -64,10 +64,10 @@ uploadMesh vertices allocator = do
         } :: VMA.AllocationCreateInfo
   (_, mesh) <- allocate
     (do
-      (buffer, bAllocation, _) <- VMA.createBuffer allocator bufferCreateInfo allocationCreateInfo
+      (buffer, bAllocation, bInfo) <- VMA.createBuffer allocator bufferCreateInfo allocationCreateInfo
-      return (Mesh vertices (AllocatedBuffer buffer bAllocation))
+      return (Mesh vertices (AllocatedBuffer buffer bAllocation bInfo))
       )
-    (\(Mesh _ (AllocatedBuffer buffer bAllocation)) -> do
+    (\(Mesh _ (AllocatedBuffer buffer bAllocation bInfo)) -> do
       putStrLn "destroying mesh"
       VMA.destroyBuffer allocator buffer bAllocation
       )

src/Types.hs

@@ -51,6 +51,7 @@ data EngineData = EngineData
 data AllocatedBuffer = AllocatedBuffer
   { allocatedBuffer  :: Vk.Buffer
   , bufferAllocation :: VMA.Allocation
+  , bufferInfo       :: VMA.AllocationInfo
   }
   deriving (Show)
 
@@ -198,6 +199,7 @@ data FrameData = FrameData
   , frameCommandPool       :: Vk.CommandPool
   , frameMainCommandBuffer :: Vk.CommandBuffer
   , frameCameraBuffer      :: AllocatedBuffer
+  , frameSceneBuffer       :: AllocatedBuffer
   , frameObjectBuffer      :: AllocatedBuffer
   , frameGlobalDescriptor  :: Vk.DescriptorSet
   , frameObjectDescriptor  :: Vk.DescriptorSet