X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Ftexture_backend.cpp;h=bf2692172c922295c835012ccc0637ab2d909aa8;hb=50492d9a5106b3dd76e3d6fa5ac88d9f97ba3c47;hp=dd19c63664b88658fe06917798742bbcbb4fd2f5;hpb=7b0a38db12c3d1aacb59520a3f4baa16d9ec0048;p=libs%2Fgl.git

diff --git a/source/backends/vulkan/texture_backend.cpp b/source/backends/vulkan/texture_backend.cpp
index dd19c636..bf269217 100644
--- a/source/backends/vulkan/texture_backend.cpp
+++ b/source/backends/vulkan/texture_backend.cpp
@@ -1,3 +1,4 @@
+#include <msp/strings/format.h>
 #include "device.h"
 #include "error.h"
 #include "synchronizer.h"
@@ -34,6 +35,11 @@ VulkanTexture::~VulkanTexture()
 
 	if(view_handle)
 		dq.destroy(view_handle);
+	if(mip_view_handles.size()>1)
+	{
+		for(VkImageView i: mip_view_handles)
+			dq.destroy(i);
+	}
 	if(handle)
 		dq.destroy(handle, memory_id);
 }
@@ -49,7 +55,7 @@ void VulkanTexture::allocate()
 	image_info.extent.width = 1;
 	image_info.extent.height = 1;
 	image_info.extent.depth = 1;
-	image_info.mipLevels = 1;
+	image_info.mipLevels = self.n_levels;
 	image_info.arrayLayers = 1;
 	image_info.samples = VK_SAMPLE_COUNT_1_BIT;
 	image_info.tiling = VK_IMAGE_TILING_OPTIMAL;
@@ -73,14 +79,25 @@ void VulkanTexture::allocate()
 		memory_id = device.get_allocator().allocate(handle, DEVICE_MEMORY);
 
 		// Trigger a layout transition if the image is used before uploading data.
-		change_layout(0, -1, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, true);
+		change_layout(-1, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, true);
 	}
 
+	view_handle = create_view(-1);
+
+	if(!debug_name.empty())
+		set_vulkan_object_names();
+}
+
+VkImageView VulkanTexture::create_view(int level) const
+{
+	const Texture &self = *static_cast<const Texture *>(this);
+	const VulkanFunctions &vk = device.get_functions();
+
 	VkImageViewCreateInfo view_info = { };
 	view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
 	view_info.image = handle_cast<::VkImage>(handle);
 	view_info.viewType = static_cast<VkImageViewType>(view_type);
-	view_info.format = image_info.format;
+	view_info.format = static_cast<VkFormat>(get_vulkan_pixelformat(self.storage_fmt));
 
 	const unsigned *swizzle_order = get_vulkan_swizzle(self.swizzle);
 	view_info.components.r = static_cast<VkComponentSwizzle>(swizzle_order[0]);
@@ -89,69 +106,52 @@ void VulkanTexture::allocate()
 	view_info.components.a = static_cast<VkComponentSwizzle>(swizzle_order[3]);
 
 	view_info.subresourceRange.aspectMask = get_vulkan_aspect(get_components(self.storage_fmt));
-	view_info.subresourceRange.baseMipLevel = 0;
-	view_info.subresourceRange.levelCount = image_info.mipLevels;
+	view_info.subresourceRange.baseMipLevel = max(level, 0);
+	view_info.subresourceRange.levelCount = (level<0 ? VK_REMAINING_MIP_LEVELS : 1);
 	view_info.subresourceRange.baseArrayLayer = 0;
-	view_info.subresourceRange.layerCount = image_info.arrayLayers;
+	view_info.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
 
-	vk.CreateImageView(view_info, view_handle);
+	VkImageView view;
+	vk.CreateImageView(view_info, view);
 
-	if(!debug_name.empty())
-		set_vulkan_object_names();
+	return view;
 }
 
-void VulkanTexture::stage_pixels(void *staging, const void *data, size_t count)
+void VulkanTexture::create_mip_views() const
 {
 	const Texture &self = *static_cast<const Texture *>(this);
 
-	if(self.swizzle==RGBA_TO_RGB)
-	{
-		const uint32_t *src = static_cast<const uint32_t *>(data);
-		uint32_t *dst = static_cast<uint32_t *>(staging);
-		size_t i = 0;
-		for(; i+3<count; i+=4)
-		{
-			dst[0] = src[0]|0xFF000000;
-			dst[1] = (src[0]>>24)|(src[1]<<8)|0xFF000000;
-			dst[2] = (src[1]>>16)|(src[2]<<16)|0xFF000000;
-			dst[3] = (src[2]>>8)|0xFF000000;
-			src += 3;
-			dst += 4;
-		}
-
-		if(i<count)
-		{
-			const uint8_t *src_bytes = reinterpret_cast<const uint8_t *>(src);
-			for(; i<count; ++i)
-			{
-				*dst++ = src_bytes[0]|(src_bytes[1]<<8)|(src_bytes[2]<<16)|0xFF000000;
-				src_bytes += 3;
-			}
-		}
-	}
+	if(!mip_view_handles.empty())
+		return;
+		
+	mip_view_handles.resize(self.n_levels);
+	if(self.n_levels==1)
+		mip_view_handles[0] = view_handle;
 	else
 	{
-		const char *src = static_cast<const char *>(data);
-		size_t data_size = count*get_pixel_size(self.storage_fmt);
-		copy(src, src+data_size, static_cast<char *>(staging));
+		for(unsigned i=0; i<self.n_levels; ++i)
+			mip_view_handles[i] = create_view(i);
 	}
 }
 
-void VulkanTexture::generate_mipmap_levels(unsigned n_levels)
+void VulkanTexture::generate_mipmap()
 {
+	unsigned n_levels = static_cast<const Texture *>(this)->n_levels;
+
 	TransferQueue &tq = device.get_transfer_queue();
 	for(unsigned i=0; i+1<n_levels; ++i)
 	{
-		tq.prepare_transfer(this, true, 0,
-			[this, n_levels, i](){
-				change_layout((i==0 ? n_levels : 0), i, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, false);
-				change_layout(0, i+1, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, true);
+		tq.prepare_transfer(this, true,
+			[this, i](){
+				change_layout(i, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, false);
+				change_layout(i+1, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, true);
 			},
 			[this, i](VkCommandBuffer cmd_buf, VkBuffer, size_t){
+				const Texture &self = *static_cast<const Texture *>(this);
 				const VulkanFunctions &vk = device.get_functions();
 
 				VkImageBlit region = { };
-				region.srcSubresource.aspectMask = get_vulkan_aspect(get_components(static_cast<const Texture *>(this)->storage_fmt));
+				region.srcSubresource.aspectMask = get_vulkan_aspect(get_components(self.storage_fmt));
 				region.srcSubresource.mipLevel = i;
 				region.srcSubresource.baseArrayLayer = 0;
 				region.srcSubresource.layerCount = 1;
@@ -166,11 +166,13 @@ void VulkanTexture::generate_mipmap_levels(unsigned n_levels)
 	}
 }
 
-void VulkanTexture::change_layout(unsigned n_levels, int level, unsigned layout, bool discard) const
+void VulkanTexture::change_layout(int level, unsigned layout, bool discard) const
 {
-	unsigned aspect = get_vulkan_aspect(get_components(static_cast<const Texture *>(this)->storage_fmt));
-	if(n_levels>0)
-		device.get_synchronizer().split_image_mipmap(handle, aspect, n_levels);
+	const Texture &self = *static_cast<const Texture *>(this);
+
+	unsigned aspect = get_vulkan_aspect(get_components(self.storage_fmt));
+	if(level>=0)
+		device.get_synchronizer().split_image_mipmap(handle, aspect, self.n_levels);
 	device.get_synchronizer().change_image_layout(handle, aspect, level, layout, discard);
 }
 
@@ -202,6 +204,17 @@ void VulkanTexture::set_vulkan_object_names() const
 	name_info.objectHandle = reinterpret_cast<uint64_t>(view_handle);
 	name_info.pObjectName = view_name.c_str();
 	vk.SetDebugUtilsObjectName(name_info);
+
+	if(mip_view_handles.size()>1)
+	{
+		for(unsigned i=0; i<mip_view_handles.size(); ++i)
+		{
+			view_name = format("%s/mip%d.view", debug_name, i);
+			name_info.objectHandle = reinterpret_cast<uint64_t>(mip_view_handles[i]);
+			name_info.pObjectName = view_name.c_str();
+			vk.SetDebugUtilsObjectName(name_info);
+		}
+	}
 #endif
 }