More code...

src/Magnum/Vk/Buffer.cpp

@@ -1,4 +1,4 @@
-/*
+/*
     This file is part of Magnum.
 
     Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016

src/Magnum/Vk/Buffer.h

@@ -132,6 +132,13 @@ class MAGNUM_VK_EXPORT Buffer {
             };
         }
 
+        auto cmdCopyTo(Image& dest, std::initializer_list<VkBufferImageCopy> regions) {
+            const VkBuffer source = _buffer;
+            return [source, &dest, &regions](VkCommandBuffer cmdBuffer){
+                vkCmdCopyBufferToImage(cmdBuffer, source, dest, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, UnsignedInt(regions.size()), std::vector<VkBufferImageCopy>(regions).data());
+            };
+        }
+
         auto cmdFullCopyTo(Buffer& dest) {
             const VkBuffer source = _buffer;
             const UnsignedInt size = _size;
@@ -141,6 +148,20 @@ class MAGNUM_VK_EXPORT Buffer {
             };
         }
 
+        auto cmdFullCopyTo(Image& dest) {
+            const VkBuffer source = _buffer;
+            const UnsignedInt size = _size;
+            return [source, &dest, size](VkCommandBuffer cmdBuffer){
+                VkBufferImageCopy copy;
+                copy.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+                copy.imageSubresource.mipLevel = 0;
+                copy.imageSubresource.baseArrayLayer = 0;
+                copy.imageSubresource.layerCount = 1;
+                copy.imageExtent = VkExtent3D(dest.extent());
+                vkCmdCopyBufferToImage(cmdBuffer, source, dest, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &copy);
+            };
+        }
+
         VkDescriptorBufferInfo getDescriptor() {
             VkDescriptorBufferInfo descriptor;
             descriptor.buffer = _buffer;

src/Magnum/Vk/DescriptorSet.h

@@ -30,12 +30,16 @@
  * @brief Class @ref Magnum::Vk::DescriptorSet
  */
 
+#include <vector>
+
 #include <Corrade/Containers/Array.h>
 
 #include "Magnum/Magnum.h"
+#include "Magnum/Vk/Buffer.h"
 #include "Magnum/Vk/Device.h"
 #include "Magnum/Vk/visibility.h"
 #include "Magnum/Vk/ShaderStage.h"
+#include "Magnum/Vk/Texture.h"
 
 #include "vulkan.h"
 
@@ -124,7 +128,6 @@ class MAGNUM_VK_EXPORT DescriptorSetLayout {
 
 class MAGNUM_VK_EXPORT DescriptorSet {
     public:
-
         DescriptorSet(Device& device, DescriptorPool& pool, VkDescriptorSet vkDescriptorSet):
                      _device{device},
                      _pool{pool},
@@ -161,6 +164,45 @@ class MAGNUM_VK_EXPORT DescriptorSet {
         VkDescriptorSet _descriptorSet;
 };
 
+class MAGNUM_VK_EXPORT DescriptorSetUpdate {
+    public:
+        void run(Device& device) {
+            if(_writes.empty()) {
+                return;
+            }
+            // TODO: Error check?
+            vkUpdateDescriptorSets(device, UnsignedInt(_writes.size()), _writes.data(), 0, NULL);
+        }
+
+        DescriptorSetUpdate& useDescriptorSet(DescriptorSet& ds) {
+            _descriptorSet = &ds;
+            return *this;
+        }
+
+        DescriptorSetUpdate& bindUniformBuffer(Buffer& buffer, UnsignedInt dstBinding, UnsignedInt dstArrayElement=0) {
+            _buffers.push_back(buffer.getDescriptor());
+            _writes.push_back(VkWriteDescriptorSet{VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, nullptr, *_descriptorSet,
+                              dstBinding, dstArrayElement, 1, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, nullptr, &_buffers.back(), nullptr});
+            return *this;
+        }
+
+        DescriptorSetUpdate& bindTexture(Vk::Texture& texture, UnsignedInt dstBinding, UnsignedInt dstArrayElement=0) {
+            _images.push_back(texture.getDescriptor());
+            _writes.push_back(VkWriteDescriptorSet{VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, nullptr, *_descriptorSet,
+                              dstBinding, dstArrayElement, 1, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, &_images.back(), nullptr, nullptr});
+            return *this;
+        }
+
+    private:
+        std::vector<VkDescriptorImageInfo> _images;
+        std::vector<VkDescriptorBufferInfo> _buffers;
+        std::vector<VkBufferView> _bufferViews;
+
+        std::vector<VkWriteDescriptorSet> _writes;
+        // TODO copies
+        DescriptorSet* _descriptorSet;
+};
+
 }}
 
 #endif

src/Magnum/Vk/Device.h

@@ -114,6 +114,7 @@ public:
 
     DeviceFeatures(const std::initializer_list<DeviceFeature>& features) {
         VkBool32* enabled = reinterpret_cast<VkBool32*>(&_features);
+        std::memset(enabled, 0, sizeof(VkPhysicalDeviceFeatures));
         for(DeviceFeature f : features) {
             enabled[UnsignedInt(f)] = VK_TRUE;
         }

src/Magnum/Vk/Image.cpp

@@ -1,4 +1,4 @@
-/*
+/*
     This file is part of Magnum.
 
     Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016
@@ -25,14 +25,52 @@
 */
 
 #include "Image.h"
-
+#include "Magnum/Vk/Buffer.h"
+#include "Magnum/Vk/Command.h"
+#include "Magnum/Vk/CommandBuffer.h"
+#include "Magnum/Vk/CommandPool.h"
+#include "Magnum/Vk/DeviceMemory.h"
+#include "Magnum/Vk/Queue.h"
 
 namespace Magnum { namespace Vk {
 
 Image::~Image() {
     if(_flags >= ObjectFlag::DeleteOnDestruction) {
-        vkDestroyImage(_device, _image, nullptr);
+        vkDestroyImage(*_device, _image, nullptr);
     }
 }
 
+std::unique_ptr<DeviceMemory> Image::allocateDeviceMemory(Vk::MemoryProperty memProperty) {
+    VkMemoryRequirements memReqs = getMemoryRequirements();
+    UnsignedInt memoryTypeIndex = _device->physicalDevice().getMemoryType(memReqs.memoryTypeBits, memProperty);
+
+    std::unique_ptr<DeviceMemory> memory(new Vk::DeviceMemory{*_device, memReqs.size, memoryTypeIndex});
+    bindImageMemory(*memory);
+
+    return std::unique_ptr<DeviceMemory>{};
+}
+
+Image& Image::update(Queue& queue, CommandPool& pool, const void* sourceData, UnsignedLong size, UnsignedLong destOffset) {
+    // TODO: Do not use staging if the memory bound to this buffer is host visible.
+
+    /* command buffer needs to be destroyed before memory */
+    std::unique_ptr<Vk::CommandBuffer> copyToDeviceCmds = pool.allocateCommandBuffer(Vk::CommandBuffer::Level::Primary);
+
+    /* plane vertices */
+    Buffer stagingBuffer{*_device, UnsignedInt(size), Vk::BufferUsage::TransferSrc};
+    std::unique_ptr<DeviceMemory> stagingMemory = stagingBuffer.allocateDeviceMemory(Vk::MemoryProperty::HostVisible);
+
+    Containers::ArrayView<char> data = stagingMemory->map(destOffset, size);
+    std::memcpy(data, sourceData, stagingBuffer.size());
+    stagingMemory->unmap();
+
+    *copyToDeviceCmds << Vk::Cmd::begin()
+                      << Vk::Cmd::imageMemoryk
+                      << stagingBuffer.cmdFullCopyTo(*this)
+                      << Vk::Cmd::end();
+    queue.submit(*copyToDeviceCmds).waitIdle();
+
+    return *this;
+}
+
 }}

src/Magnum/Vk/Image.h

@@ -34,6 +34,7 @@
 #include "Magnum/Magnum.h"
 #include "Magnum/Math/Vector3.h"
 #include "Magnum/Vk/Device.h"
+#include "Magnum/Vk/Format.h"
 #include "Magnum/Vk/DeviceMemory.h"
 #include "Magnum/Vk/Math.h"
 #include "Magnum/Vk/visibility.h"
@@ -108,28 +109,29 @@ class MAGNUM_VK_EXPORT Image {
     public:
 
         Image(Device& device, VkImage vkImage):
-            _device{device},
+            _device{&device},
             _image{vkImage},
             _flags{}
         {}
 
-        Image(Device& device, Vector3ui extent, VkFormat format, ImageUsageFlags usage):
-            _device{device}, _flags{ObjectFlag::DeleteOnDestruction}
+        Image(Device& device, const Vector3ui& extent, Vk::Format format, ImageUsageFlags usage):
+            _device{&device}, _flags{ObjectFlag::DeleteOnDestruction}, _extent(extent)
         {
             VkImageCreateInfo image = {};
             image.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
             image.flags = 0;
             image.pNext = nullptr;
             image.imageType = VK_IMAGE_TYPE_2D;
-            image.format = format;
+            image.format = VkFormat(format);
             image.extent = VkExtent3D(extent);
             image.samples = VK_SAMPLE_COUNT_1_BIT;
             image.mipLevels = 1;
             image.arrayLayers = 1;
             image.tiling = VK_IMAGE_TILING_OPTIMAL;
             image.usage = UnsignedInt(usage);
+            image.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
 
-            VkResult err = vkCreateImage(_device, &image, nullptr, &_image);
+            VkResult err = vkCreateImage(*_device, &image, nullptr, &_image);
             MAGNUM_VK_ASSERT_ERROR(err);
         }
 
@@ -158,29 +160,53 @@ class MAGNUM_VK_EXPORT Image {
 
         VkMemoryRequirements getMemoryRequirements() {
             VkMemoryRequirements memReqs;
-            vkGetImageMemoryRequirements(_device, _image, &memReqs);
+            vkGetImageMemoryRequirements(*_device, _image, &memReqs);
 
             return memReqs;
         }
 
         Image& bindImageMemory(DeviceMemory& memory, UnsignedLong memoryOffset=0) {
-            VkResult err = vkBindImageMemory(_device, _image, memory, memoryOffset);
+            VkResult err = vkBindImageMemory(*_device, _image, memory, memoryOffset);
             MAGNUM_VK_ASSERT_ERROR(err);
 
             return *this;
         }
 
+        /**
+         * @brief Update contents of device memory.
+         * @return Reference to self (for method chaining)
+         *
+         * Will involve mapping and unmapping memory and possibly creating intermediate
+         * staging buffers if the memory is not visible by the host.
+         *
+         * At the end of the method, the queue will be waited for so that temporary buffers
+         * can be cleaned up.
+         */
+        Image& update(Queue& queue, CommandPool& pool, const void* sourceData, UnsignedLong size, UnsignedLong destOffset=0);
+
+        /**
+         * @brief Allocate memory matching requirements of this buffer and bind it
+         * @param memProperty property for the allocated memory
+         * @return the allocated and bound memory
+         */
+        std::unique_ptr<DeviceMemory> allocateDeviceMemory(Vk::MemoryProperty memProperty);
+
+        Vector3ui extent() const {
+            return _extent;
+        }
+
         /**
          * @brief The device this image was created for.
          */
         Device& device() {
-            return _device;
+            return *_device;
         }
 
     private:
-        Device& _device;
+        Device* _device;
         VkImage _image;
         ObjectFlags _flags;
+        Vector3ui _extent;
 };
 
 struct ImageMemoryBarrier {

src/Magnum/Vk/ImageView.h

@@ -33,6 +33,7 @@
 #include "Magnum/Magnum.h"
 #include "Magnum/Vk/visibility.h"
 #include "Magnum/Vk/Image.h"
+#include "Magnum/Vk/Format.h"
 
 #include "vulkan.h"
 
@@ -52,7 +53,7 @@ CORRADE_ENUMSET_OPERATORS(ImageAspects)
 class MAGNUM_VK_EXPORT ImageView {
     public:
 
-    ImageView(Device& device, Image& image, VkFormat format,
+    ImageView(Device& device, Image& image, Vk::Format format,
               VkImageViewType type, ImageAspects aspects,
               VkComponentMapping components = {}):
             _device{device}
@@ -62,7 +63,7 @@ class MAGNUM_VK_EXPORT ImageView {
             createInfo.pNext = nullptr;
             createInfo.flags = 0;
             createInfo.viewType = type;
-            createInfo.format = format;
+            createInfo.format = VkFormat(format);
             createInfo.subresourceRange = {
                 VkImageAspectFlags(aspects),
                 0, /* base mip level */

src/Magnum/Vk/RenderPass.h

@@ -33,6 +33,7 @@
 #include "Magnum/Magnum.h"
 #include "Magnum/Vk/Device.h"
 #include "Magnum/Vk/visibility.h"
+#include "Magnum/Vk/Format.h"
 
 #include "vulkan.h"
 
@@ -44,7 +45,7 @@ class MAGNUM_VK_EXPORT RenderPass {
         RenderPass(NoCreateT) noexcept: _device{nullptr} {
         }
 
-        RenderPass(Device& device, VkFormat depthFormat): _device{&device} {
+        RenderPass(Device& device, Vk::Format depthFormat): _device{&device} {
             VkSampleCountFlagBits sampleCount = VK_SAMPLE_COUNT_1_BIT;
 
             VkAttachmentDescription attachments[2];
@@ -57,7 +58,7 @@ class MAGNUM_VK_EXPORT RenderPass {
             attachments[0].initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
             attachments[0].finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
 
-            attachments[1].format = depthFormat;
+            attachments[1].format = VkFormat(depthFormat);
             attachments[1].samples = sampleCount;
             attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
             attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;

src/Magnum/Vk/Swapchain.cpp

@@ -27,7 +27,7 @@
 #include "Swapchain.h"
 
 #include "Magnum/Vk/Queue.h"
-
+#include "Magnum/Vk/Format.h"
 #include "Magnum/Vk/ImageView.h"
 
 namespace Magnum { namespace Vk {
@@ -127,16 +127,16 @@ Swapchain::Swapchain(Device& device, CommandBuffer& cb, VkSurfaceKHR surface):
     MAGNUM_VK_ASSERT_ERROR(err);
 
     VkColorSpaceKHR colorSpace = surfaceFormats[0].colorSpace;
-    VkFormat colorFormat = VK_FORMAT_B8G8R8A8_UNORM;
+    Format colorFormat = Vk::Format(VK_FORMAT_R8G8B8A8_UNORM);
     if ((formatCount == 1) && (surfaceFormats[0].format == VK_FORMAT_UNDEFINED)) {
         /* no preferred format */
-        colorFormat = VK_FORMAT_B8G8R8A8_UNORM;
+        colorFormat = Vk::Format(VK_FORMAT_R8G8B8A8_UNORM);
     } else {
         // Always select the first available color format
         // If you need a specific format (e.g. SRGB) you'd need to
         // iterate over the list of available surface format and
         // check for it's presence
-        colorFormat = surfaceFormats[0].format;
+        colorFormat = Format(surfaceFormats[0].format);
     }
 
     // Get physical device surface properties and formats
@@ -197,7 +197,7 @@ Swapchain::Swapchain(Device& device, CommandBuffer& cb, VkSurfaceKHR surface):
     swapchainCI.flags = 0;
 
     swapchainCI.surface = _surface;
-    swapchainCI.imageFormat = colorFormat;
+    swapchainCI.imageFormat = VkFormat(colorFormat);
     swapchainCI.imageColorSpace = colorSpace;
     swapchainCI.imageExtent = swapchainExtent;
     swapchainCI.minImageCount = desiredNumberOfSwapchainImages;

src/Magnum/Vk/Texture.h

@@ -40,10 +40,20 @@
 
 namespace Magnum { namespace Vk {
 
+/**
+ @brief Texture
+
+ A Sampler combined with an Image.
+*/
 class MAGNUM_VK_EXPORT Texture {
     public:
 
-        Texture(Device& device): _device{device} {
+        Texture(Device& device, std::unique_ptr<ImageView>&& imageView, ImageLayout layout, Int numMipLevels):
+            _device{device},
+            _imageView{std::move(imageView)},
+            _imageLayout{VkImageLayout(layout)},
+            _mipLevels{numMipLevels}
+        {
             int mipLevels = 0;
             VkSamplerCreateInfo sampler{VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO, nullptr, 0};
             sampler.magFilter = VK_FILTER_LINEAR;
@@ -85,12 +95,33 @@ class MAGNUM_VK_EXPORT Texture {
         /** @brief Move assignment is not allowed */
         Texture& operator=(Texture&&) = delete;
 
+        ImageView& imageView() {
+            return *_imageView;
+        }
+
+        operator VkSampler() const {
+            return _sampler;
+        }
+
+        UnsignedInt mipLevels() const {
+            return _mipLevels;
+        }
+
+        VkImageLayout imageLayout() const {
+            return _imageLayout;
+        }
+
+        VkDescriptorImageInfo getDescriptor() const {
+            return VkDescriptorImageInfo{_sampler, *_imageView, _imageLayout};
+        }
+
     private:
         Device& _device;
 
         VkSampler _sampler;
+        std::unique_ptr<Vk::ImageView> _imageView;
         VkImageLayout _imageLayout;
-        UnsignedInt _mipLevels;
+        Int _mipLevels;
 };
 
 }}