- implement VKBuffer::Resize

src/rendering/gl/renderer/gl_renderbuffers.cpp

@@ -955,7 +955,7 @@ void GLPPRenderState::Draw()
 	if (Uniforms.Data.Size() > 0)
 	{
 		if (!shader->Uniforms)
-			shader->Uniforms.reset(screen->CreateDataBuffer(POSTPROCESS_BINDINGPOINT, false));
+			shader->Uniforms.reset(screen->CreateDataBuffer(POSTPROCESS_BINDINGPOINT, false, false));
 		shader->Uniforms->SetData(Uniforms.Data.Size(), Uniforms.Data.Data());
 		shader->Uniforms->BindBase();
 	}

src/rendering/gl/system/gl_framebuffer.cpp

@@ -339,7 +339,7 @@ IIndexBuffer *OpenGLFrameBuffer::CreateIndexBuffer()
 	return new GLIndexBuffer; 
 }
 
-IDataBuffer *OpenGLFrameBuffer::CreateDataBuffer(int bindingpoint, bool ssbo)
+IDataBuffer *OpenGLFrameBuffer::CreateDataBuffer(int bindingpoint, bool ssbo, bool needsresize)
 {
 	return new GLDataBuffer(bindingpoint, ssbo);
 }

src/rendering/gl/system/gl_framebuffer.h

@@ -39,7 +39,7 @@ public:
 	void BlurScene(float amount) override;
 	IVertexBuffer *CreateVertexBuffer() override;
 	IIndexBuffer *CreateIndexBuffer() override;
-	IDataBuffer *CreateDataBuffer(int bindingpoint, bool ssbo) override;
+	IDataBuffer *CreateDataBuffer(int bindingpoint, bool ssbo, bool needsresize) override;
 
 	// Retrieves a buffer containing image data for a screenshot.
 	// Hint: Pitch can be negative for upside-down images, in which case buffer

src/rendering/hwrenderer/data/hw_viewpointbuffer.cpp

@@ -38,7 +38,7 @@ GLViewpointBuffer::GLViewpointBuffer()
 	mBufferSize = INITIAL_BUFFER_SIZE;
 	mBlockAlign = ((sizeof(HWViewpointUniforms) / screen->uniformblockalignment) + 1) * screen->uniformblockalignment;
 	mByteSize = mBufferSize * mBlockAlign;
-	mBuffer = screen->CreateDataBuffer(VIEWPOINT_BINDINGPOINT, false);
+	mBuffer = screen->CreateDataBuffer(VIEWPOINT_BINDINGPOINT, false, true);
 	mBuffer->SetData(mByteSize, nullptr, false);
 	Clear();
 	mLastMappedIndex = UINT_MAX;

src/rendering/hwrenderer/data/shaderuniforms.h

@@ -123,7 +123,7 @@ public:
 	void Init()
 	{
 		if (mBuffer == nullptr)
-			mBuffer = screen->CreateDataBuffer(bindingpoint, false);
+			mBuffer = screen->CreateDataBuffer(bindingpoint, false, false);
 	}
 
 	void Set(bool bind = true)

src/rendering/hwrenderer/dynlights/hw_lightbuffer.cpp

@@ -60,7 +60,7 @@ FLightBuffer::FLightBuffer()
 		mByteSize += screen->maxuniformblock;	// to avoid mapping beyond the end of the buffer.
 	}
 
-	mBuffer = screen->CreateDataBuffer(LIGHTBUF_BINDINGPOINT, mBufferType);
+	mBuffer = screen->CreateDataBuffer(LIGHTBUF_BINDINGPOINT, mBufferType, false);
 	mBuffer->SetData(mByteSize, nullptr, false);
 
 	Clear();

src/rendering/hwrenderer/dynlights/hw_shadowmap.cpp

@@ -189,7 +189,7 @@ void IShadowMap::UploadLights()
 	CollectLights();
 
 	if (mLightList == nullptr)
-		mLightList = screen->CreateDataBuffer(LIGHTLIST_BINDINGPOINT, true);
+		mLightList = screen->CreateDataBuffer(LIGHTLIST_BINDINGPOINT, true, false);
 
 	mLightList->SetData(sizeof(float) * mLights.Size(), &mLights[0]);
 }
@@ -200,11 +200,11 @@ void IShadowMap::UploadAABBTree()
 	if (!ValidateAABBTree(&level))
 	{
 		if (!mNodesBuffer)
-			mNodesBuffer = screen->CreateDataBuffer(LIGHTNODES_BINDINGPOINT, true);
+			mNodesBuffer = screen->CreateDataBuffer(LIGHTNODES_BINDINGPOINT, true, false);
 		mNodesBuffer->SetData(mAABBTree->NodesSize(), mAABBTree->Nodes());
 
 		if (!mLinesBuffer)
-			mLinesBuffer = screen->CreateDataBuffer(LIGHTLINES_BINDINGPOINT, true);
+			mLinesBuffer = screen->CreateDataBuffer(LIGHTLINES_BINDINGPOINT, true, false);
 		mLinesBuffer->SetData(mAABBTree->LinesSize(), mAABBTree->Lines());
 	}
 	else if (mAABBTree->Update())

src/rendering/vulkan/system/vk_buffers.cpp

@@ -111,7 +111,30 @@ void VKBuffer::SetSubData(size_t offset, size_t size, const void *data)
 
 void VKBuffer::Resize(size_t newsize)
 {
-	I_FatalError("VKBuffer::Resize not implemented\n");
+	auto fb = GetVulkanFrameBuffer();
+
+	// Grab old buffer
+	size_t oldsize = buffersize;
+	std::unique_ptr<VulkanBuffer> oldBuffer = std::move(mBuffer);
+	oldBuffer->Unmap();
+	map = nullptr;
+
+	// Create new buffer
+	BufferBuilder builder;
+	builder.setUsage(mBufferType, VMA_MEMORY_USAGE_CPU_TO_GPU, VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT);
+	builder.setSize(newsize);
+	mBuffer = builder.create(fb->device);
+	buffersize = newsize;
+
+	// Transfer data from old to new
+	fb->GetTransferCommands()->copyBuffer(oldBuffer.get(), mBuffer.get(), 0, 0, oldsize);
+	fb->SubmitCommands(false);
+
+	// Fetch pointer to new buffer
+	map = mBuffer->Map(0, newsize);
+
+	// Old buffer may be part of the dynamic set
+	fb->GetRenderPassManager()->UpdateDynamicSet();
 }
 
 void VKBuffer::Map()

src/rendering/vulkan/system/vk_buffers.h

@@ -57,7 +57,14 @@ public:
 class VKDataBuffer : public IDataBuffer, public VKBuffer
 {
 public:
-	VKDataBuffer(int bindingpoint, bool ssbo) : bindingpoint(bindingpoint) { mBufferType = ssbo ? VK_BUFFER_USAGE_STORAGE_BUFFER_BIT : VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT; }
+	VKDataBuffer(int bindingpoint, bool ssbo, bool needresize) : bindingpoint(bindingpoint)
+	{
+		mBufferType = ssbo ? VK_BUFFER_USAGE_STORAGE_BUFFER_BIT : VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
+		if (needresize)
+		{
+			mBufferType |= VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
+		}
+	}
 
 	void BindRange(size_t start, size_t length) override;
 	void BindBase() override;

src/rendering/vulkan/system/vk_framebuffer.cpp

@@ -138,8 +138,8 @@ void VulkanFrameBuffer::InitializeState()
 	CreateFanToTrisIndexBuffer();
 
 	// To do: move this to HW renderer interface maybe?
-	MatricesUBO = (VKDataBuffer*)CreateDataBuffer(-1, false);
-	StreamUBO = (VKDataBuffer*)CreateDataBuffer(-1, false);
+	MatricesUBO = (VKDataBuffer*)CreateDataBuffer(-1, false, false);
+	StreamUBO = (VKDataBuffer*)CreateDataBuffer(-1, false, false);
 	MatricesUBO->SetData(UniformBufferAlignedSize<::MatricesUBO>() * 50000, nullptr, false);
 	StreamUBO->SetData(UniformBufferAlignedSize<::StreamUBO>() * 200, nullptr, false);
 
@@ -590,9 +590,9 @@ IIndexBuffer *VulkanFrameBuffer::CreateIndexBuffer()
 	return new VKIndexBuffer();
 }
 
-IDataBuffer *VulkanFrameBuffer::CreateDataBuffer(int bindingpoint, bool ssbo)
+IDataBuffer *VulkanFrameBuffer::CreateDataBuffer(int bindingpoint, bool ssbo, bool needsresize)
 {
-	auto buffer = new VKDataBuffer(bindingpoint, ssbo);
+	auto buffer = new VKDataBuffer(bindingpoint, ssbo, needsresize);
 
 	auto fb = GetVulkanFrameBuffer();
 	switch (bindingpoint)

src/rendering/vulkan/system/vk_framebuffer.h

@@ -86,7 +86,7 @@ public:
 	FModelRenderer *CreateModelRenderer(int mli) override;
 	IVertexBuffer *CreateVertexBuffer() override;
 	IIndexBuffer *CreateIndexBuffer() override;
-	IDataBuffer *CreateDataBuffer(int bindingpoint, bool ssbo) override;
+	IDataBuffer *CreateDataBuffer(int bindingpoint, bool ssbo, bool needsresize) override;
 
 	FTexture *WipeStartScreen() override;
 	FTexture *WipeEndScreen() override;
@@ -97,13 +97,14 @@ public:
 
 	void Draw2D() override;
 
+	void SubmitCommands(bool finish);
+
 private:
 	sector_t *RenderViewpoint(FRenderViewpoint &mainvp, AActor * camera, IntRect * bounds, float fov, float ratio, float fovratio, bool mainview, bool toscreen);
 	void RenderTextureView(FCanvasTexture *tex, AActor *Viewpoint, double FOV);
 	void DrawScene(HWDrawInfo *di, int drawmode);
 	void PrintStartupLog();
 	void CreateFanToTrisIndexBuffer();
-	void SubmitCommands(bool finish);
 	void CopyScreenToBuffer(int w, int h, void *data);
 	void UpdateShadowMap();
 	void DeleteFrameObjects();

src/v_video.h

@@ -448,7 +448,7 @@ public:
     // Interface to hardware rendering resources
 	virtual IVertexBuffer *CreateVertexBuffer() { return nullptr; }
 	virtual IIndexBuffer *CreateIndexBuffer() { return nullptr; }
-	virtual IDataBuffer *CreateDataBuffer(int bindingpoint, bool ssbo) { return nullptr; }
+	virtual IDataBuffer *CreateDataBuffer(int bindingpoint, bool ssbo, bool needsresize) { return nullptr; }
 	bool BuffersArePersistent() { return !!(hwcaps & RFL_BUFFER_STORAGE); }
 
 	// Begin/End 2D drawing operations.