- hook up the software renderer

src/rendering/vulkan/system/vk_builders.h

@@ -41,6 +41,7 @@ public:
 	void setSize(int width, int height, int miplevels = 1);
 	void setFormat(VkFormat format);
 	void setUsage(VkImageUsageFlags imageUsage, VmaMemoryUsage memoryUsage = VMA_MEMORY_USAGE_GPU_ONLY);
+	void setLinearTiling();
 
 	std::unique_ptr<VulkanImage> create(VulkanDevice *device);
 
@@ -331,6 +332,11 @@ inline void ImageBuilder::setFormat(VkFormat format)
 	imageInfo.format = format;
 }
 
+inline void ImageBuilder::setLinearTiling()
+{
+	imageInfo.tiling = VK_IMAGE_TILING_LINEAR;
+}
+
 inline void ImageBuilder::setUsage(VkImageUsageFlags usage, VmaMemoryUsage memoryUsage)
 {
 	imageInfo.usage = usage;

src/rendering/vulkan/system/vk_framebuffer.cpp

@@ -37,6 +37,8 @@
 #include "hwrenderer/data/shaderuniforms.h"
 #include "hwrenderer/dynlights/hw_lightbuffer.h"
 
+#include "swrenderer/r_swscene.h"
+
 #include "vk_framebuffer.h"
 #include "vk_buffers.h"
 #include "vulkan/renderer/vk_renderstate.h"
@@ -119,9 +121,6 @@ void VulkanFrameBuffer::Update()
 
 	device->beginFrame();
 
-	mPresentCommands = mGraphicsCommandPool->createBuffer();
-	mPresentCommands->begin();
-
 	Draw2D();
 	Clear2D();
 
@@ -133,7 +132,7 @@ void VulkanFrameBuffer::Update()
 
 		PipelineBarrier barrier0;
 		barrier0.addImage(sceneColor, VK_IMAGE_LAYOUT_GENERAL, VK_IMAGE_LAYOUT_GENERAL, VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_TRANSFER_READ_BIT);
-		barrier0.execute(mPresentCommands.get(), VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT);
+		barrier0.execute(GetDrawCommands(), VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT);
 
 		VkImageBlit blit = {};
 		blit.srcOffsets[0] = { 0, 0, 0 };
@@ -148,13 +147,13 @@ void VulkanFrameBuffer::Update()
 		blit.dstSubresource.mipLevel = 0;
 		blit.dstSubresource.baseArrayLayer = 0;
 		blit.dstSubresource.layerCount = 1;
-		mPresentCommands->blitImage(
+		GetDrawCommands()->blitImage(
 			sceneColor->image, VK_IMAGE_LAYOUT_GENERAL,
 			device->swapChain->swapChainImages[device->presentImageIndex], VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR,
 			1, &blit, VK_FILTER_NEAREST);
 	}
 
-	mPresentCommands->end();
+	mDrawCommands->end();
 
 	if (mUploadCommands)
 	{
@@ -178,7 +177,7 @@ void VulkanFrameBuffer::Update()
 		submitInfo.pWaitSemaphores = waitSemaphores;
 		submitInfo.pWaitDstStageMask = waitStages;
 		submitInfo.commandBufferCount = 1;
-		submitInfo.pCommandBuffers = &mPresentCommands->buffer;
+		submitInfo.pCommandBuffers = &mDrawCommands->buffer;
 		submitInfo.signalSemaphoreCount = 1;
 		submitInfo.pSignalSemaphores = &device->renderFinishedSemaphore->semaphore;
 		result = vkQueueSubmit(device->graphicsQueue, 1, &submitInfo, device->renderFinishedFence->fence);
@@ -196,7 +195,7 @@ void VulkanFrameBuffer::Update()
 		submitInfo.pWaitSemaphores = waitSemaphores;
 		submitInfo.pWaitDstStageMask = waitStages;
 		submitInfo.commandBufferCount = 1;
-		submitInfo.pCommandBuffers = &mPresentCommands->buffer;
+		submitInfo.pCommandBuffers = &mDrawCommands->buffer;
 		submitInfo.signalSemaphoreCount = 1;
 		submitInfo.pSignalSemaphores = &device->renderFinishedSemaphore->semaphore;
 		VkResult result = vkQueueSubmit(device->graphicsQueue, 1, &submitInfo, device->renderFinishedFence->fence);
@@ -211,7 +210,7 @@ void VulkanFrameBuffer::Update()
 	device->presentFrame();
 	device->waitPresent();
 
-	mPresentCommands.reset();
+	mDrawCommands.reset();
 	mUploadCommands.reset();
 	mFrameDeleteList.clear();
 
@@ -228,7 +227,18 @@ void VulkanFrameBuffer::WriteSavePic(player_t *player, FileWriter *file, int wid
 
 sector_t *VulkanFrameBuffer::RenderView(player_t *player)
 {
-	return nullptr;
+	mRenderState->SetVertexBuffer(screen->mVertexData);
+	screen->mVertexData->Reset();
+
+	if (!V_IsHardwareRenderer())
+	{
+		if (!swdrawer) swdrawer.reset(new SWSceneDrawer);
+		return swdrawer->RenderView(player);
+	}
+	else
+	{
+		return nullptr;
+	}
 }
 
 uint32_t VulkanFrameBuffer::GetCaps()
@@ -337,5 +347,10 @@ VulkanCommandBuffer *VulkanFrameBuffer::GetUploadCommands()
 
 VulkanCommandBuffer *VulkanFrameBuffer::GetDrawCommands()
 {
-	return mPresentCommands.get();
+	if (!mDrawCommands)
+	{
+		mDrawCommands = mGraphicsCommandPool->createBuffer();
+		mDrawCommands->begin();
+	}
+	return mDrawCommands.get();
 }

src/rendering/vulkan/system/vk_framebuffer.h

@@ -10,6 +10,7 @@ class VkRenderPassManager;
 class VkRenderState;
 class VKDataBuffer;
 class VkHardwareTexture;
+class SWSceneDrawer;
 
 class VulkanFrameBuffer : public SystemBaseFrameBuffer
 {
@@ -34,6 +35,8 @@ public:
 
 	std::vector<std::unique_ptr<VulkanBuffer>> mFrameDeleteList;
 
+	std::unique_ptr<SWSceneDrawer> swdrawer;
+
 	VulkanFrameBuffer(void *hMonitor, bool fullscreen, VulkanDevice *dev);
 	~VulkanFrameBuffer();
 
@@ -75,7 +78,7 @@ private:
 	std::unique_ptr<VkRenderPassManager> mRenderPassManager;
 	std::unique_ptr<VulkanCommandPool> mGraphicsCommandPool;
 	std::unique_ptr<VulkanCommandBuffer> mUploadCommands;
-	std::unique_ptr<VulkanCommandBuffer> mPresentCommands;
+	std::unique_ptr<VulkanCommandBuffer> mDrawCommands;
 	std::unique_ptr<VulkanSemaphore> mUploadSemaphore;
 	std::unique_ptr<VkRenderState> mRenderState;
 

src/rendering/vulkan/system/vk_objects.h

@@ -78,6 +78,9 @@ public:
 	int height = 0;
 	int mipLevels = 1;
 
+	void *Map(size_t offset, size_t size);
+	void Unmap();
+
 private:
 	VulkanDevice *device = nullptr;
 	VmaAllocation allocation;
@@ -881,6 +884,18 @@ inline VulkanImage::~VulkanImage()
 	vmaDestroyImage(device->allocator, image, allocation);
 }
 
+inline void *VulkanImage::Map(size_t offset, size_t size)
+{
+	void *data;
+	VkResult result = vmaMapMemory(device->allocator, allocation, &data);
+	return (result == VK_SUCCESS) ? data : nullptr;
+}
+
+inline void VulkanImage::Unmap()
+{
+	vmaUnmapMemory(device->allocator, allocation);
+}
+
 /////////////////////////////////////////////////////////////////////////////
 
 inline VulkanImageView::VulkanImageView(VulkanDevice *device, VkImageView view) : device(device), view(view)

src/rendering/vulkan/textures/vk_hwtexture.cpp

@@ -104,7 +104,7 @@ VulkanDescriptorSet *VkHardwareTexture::GetDescriptorSet(const FMaterialState &s
 		mDescriptorSet = fb->GetRenderPassManager()->DescriptorPool->allocate(fb->GetRenderPassManager()->TextureSetLayout.get());
 
 		WriteDescriptors update;
-		update.addCombinedImageSampler(mDescriptorSet.get(), 0, mImageView.get(), fb->GetSamplerManager()->Get(0), VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+		update.addCombinedImageSampler(mDescriptorSet.get(), 0, mImageView.get(), fb->GetSamplerManager()->Get(0), mImageLayout);
 		update.updateSets(fb->device);
 	}
 
@@ -207,6 +207,44 @@ int VkHardwareTexture::GetMipLevels(int w, int h)
 	return levels;
 }
 
+void VkHardwareTexture::AllocateBuffer(int w, int h, int texelsize)
+{
+	if (!mImage)
+	{
+		auto fb = GetVulkanFrameBuffer();
+
+		ImageBuilder imgbuilder;
+		imgbuilder.setFormat(VK_FORMAT_B8G8R8A8_UNORM);
+		imgbuilder.setSize(w, h);
+		imgbuilder.setUsage(VK_IMAGE_USAGE_SAMPLED_BIT, VMA_MEMORY_USAGE_CPU_TO_GPU);
+		imgbuilder.setLinearTiling();
+		mImage = imgbuilder.create(fb->device);
+		mImageLayout = VK_IMAGE_LAYOUT_GENERAL;
+		mTexelsize = texelsize;
+
+		ImageViewBuilder viewbuilder;
+		viewbuilder.setImage(mImage.get(), texelsize == 4 ? VK_FORMAT_B8G8R8A8_UNORM : VK_FORMAT_R8_UNORM);
+		mImageView = viewbuilder.create(fb->device);
+
+		auto cmdbuffer = fb->GetUploadCommands();
+
+		PipelineBarrier imageTransition;
+		imageTransition.addImage(mImage.get(), VK_IMAGE_LAYOUT_UNDEFINED, mImageLayout, 0, VK_ACCESS_SHADER_READ_BIT);
+		imageTransition.execute(cmdbuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
+	}
+}
+
+uint8_t *VkHardwareTexture::MapBuffer()
+{
+	return (uint8_t*)mImage->Map(0, mImage->width * mImage->height * mTexelsize);
+}
+
+unsigned int VkHardwareTexture::CreateTexture(unsigned char * buffer, int w, int h, int texunit, bool mipmap, int translation, const char *name)
+{
+	mImage->Unmap();
+	return 0;
+}
+
 #if 0
 
 //===========================================================================

src/rendering/vulkan/textures/vk_hwtexture.h

@@ -28,9 +28,9 @@ public:
 	VulkanDescriptorSet *GetDescriptorSet(const FMaterialState &state);
 
 	// Software renderer stuff
-	void AllocateBuffer(int w, int h, int texelsize) override { }
-	uint8_t *MapBuffer() override { return nullptr; }
-	unsigned int CreateTexture(unsigned char * buffer, int w, int h, int texunit, bool mipmap, int translation, const char *name) override { return 0; }
+	void AllocateBuffer(int w, int h, int texelsize) override;
+	uint8_t *MapBuffer() override;
+	unsigned int CreateTexture(unsigned char * buffer, int w, int h, int texunit, bool mipmap, int translation, const char *name) override;
 
 private:
 	void CreateTexture(int w, int h, int pixelsize, VkFormat format, const void *pixels);
@@ -41,6 +41,8 @@ private:
 	std::unique_ptr<VulkanImage> mImage;
 	std::unique_ptr<VulkanImageView> mImageView;
 	std::unique_ptr<VulkanBuffer> mStagingBuffer;
+	VkImageLayout mImageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+	int mTexelsize = 4;
 };
 
 #if 0