Beispiel #1
0
        private void SetDataStatic(int offset, IntPtr data, int size)
        {
            var uploadBufferAlloc = context.AllocateUploadBuffer((ulong)size, 1);

            GraphicsUtility.CopyMemory(uploadBufferAlloc.Data, data, size);
            context.EndRenderPass();
            context.EnsureCommandBuffer();
            context.CommandBuffer.PipelineBarrier(
                pipelineStageMask, SharpVulkan.PipelineStageFlags.Transfer,
                SharpVulkan.DependencyFlags.None, 0, null, 0, null, 0, null);
            var copyRegion = new SharpVulkan.BufferCopy {
                SourceOffset      = uploadBufferAlloc.BufferOffset,
                DestinationOffset = (ulong)offset,
                Size = (ulong)size
            };

            context.CommandBuffer.CopyBuffer(uploadBufferAlloc.Buffer, backingBuffer.Buffer, 1, &copyRegion);
            var postMemoryBarrier = new SharpVulkan.MemoryBarrier {
                StructureType         = SharpVulkan.StructureType.MemoryBarrier,
                SourceAccessMask      = SharpVulkan.AccessFlags.TransferWrite,
                DestinationAccessMask = accessMask
            };

            context.CommandBuffer.PipelineBarrier(
                SharpVulkan.PipelineStageFlags.Transfer, pipelineStageMask,
                SharpVulkan.DependencyFlags.None, 1, &postMemoryBarrier, 0, null, 0, null);
        }
Beispiel #2
0
        private void CreateDepthStencilBuffer()
        {
            var formats = new[] {
                SharpVulkan.Format.D32SFloatS8UInt,
                SharpVulkan.Format.D24UNormS8UInt,
                SharpVulkan.Format.D16UNormS8UInt
            };

            depthStencilFormat = formats.First(format => {
                context.PhysicalDevice.GetFormatProperties(format, out var formatProperties);
                return((formatProperties.OptimalTilingFeatures & SharpVulkan.FormatFeatureFlags.DepthStencilAttachment) != 0);
            });
            var tiling     = SharpVulkan.ImageTiling.Optimal;
            var createInfo = new SharpVulkan.ImageCreateInfo {
                StructureType = SharpVulkan.StructureType.ImageCreateInfo,
                ImageType     = SharpVulkan.ImageType.Image2D,
                Usage         = SharpVulkan.ImageUsageFlags.DepthStencilAttachment,
                Format        = depthStencilFormat,
                Extent        = new SharpVulkan.Extent3D((uint)width, (uint)height, 1),
                MipLevels     = 1,
                ArrayLayers   = 1,
                Samples       = SharpVulkan.SampleCountFlags.Sample1,
                SharingMode   = SharpVulkan.SharingMode.Exclusive,
                Tiling        = tiling,
                InitialLayout = SharpVulkan.ImageLayout.Undefined
            };

            depthStencilBuffer = context.Device.CreateImage(ref createInfo);
            depthStencilMemory = context.MemoryAllocator.Allocate(depthStencilBuffer, SharpVulkan.MemoryPropertyFlags.DeviceLocal, tiling);
            var viewCreateInfo = new SharpVulkan.ImageViewCreateInfo {
                StructureType    = SharpVulkan.StructureType.ImageViewCreateInfo,
                ViewType         = SharpVulkan.ImageViewType.Image2D,
                Image            = depthStencilBuffer,
                Format           = depthStencilFormat,
                Components       = SharpVulkan.ComponentMapping.Identity,
                SubresourceRange = new SharpVulkan.ImageSubresourceRange(
                    SharpVulkan.ImageAspectFlags.Depth |
                    SharpVulkan.ImageAspectFlags.Stencil)
            };

            depthStencilView = context.Device.CreateImageView(ref viewCreateInfo);
            var memoryBarrier = new SharpVulkan.ImageMemoryBarrier {
                StructureType         = SharpVulkan.StructureType.ImageMemoryBarrier,
                Image                 = depthStencilBuffer,
                OldLayout             = SharpVulkan.ImageLayout.Undefined,
                NewLayout             = SharpVulkan.ImageLayout.DepthStencilAttachmentOptimal,
                SourceAccessMask      = SharpVulkan.AccessFlags.None,
                DestinationAccessMask = SharpVulkan.AccessFlags.DepthStencilAttachmentRead | SharpVulkan.AccessFlags.DepthStencilAttachmentWrite,
                SubresourceRange      = new SharpVulkan.ImageSubresourceRange(
                    SharpVulkan.ImageAspectFlags.Depth |
                    SharpVulkan.ImageAspectFlags.Stencil)
            };

            context.EndRenderPass();
            context.EnsureCommandBuffer();
            context.CommandBuffer.PipelineBarrier(SharpVulkan.PipelineStageFlags.TopOfPipe,
                                                  SharpVulkan.PipelineStageFlags.EarlyFragmentTests | SharpVulkan.PipelineStageFlags.LateFragmentTests,
                                                  SharpVulkan.DependencyFlags.None, 0, null, 0, null, 1, &memoryBarrier);
        }
Beispiel #3
0
        private void Create(bool renderTarget)
        {
            var vkFormat = VulkanHelper.GetVKFormat(format);
            var usage    =
                SharpVulkan.ImageUsageFlags.TransferSource |
                SharpVulkan.ImageUsageFlags.TransferDestination |
                SharpVulkan.ImageUsageFlags.Sampled;

            if (renderTarget)
            {
                usage |= SharpVulkan.ImageUsageFlags.ColorAttachment;
            }
            var tiling          = SharpVulkan.ImageTiling.Optimal;
            var imageCreateInfo = new SharpVulkan.ImageCreateInfo {
                StructureType = SharpVulkan.StructureType.ImageCreateInfo,
                ImageType     = SharpVulkan.ImageType.Image2D,
                Usage         = usage,
                Format        = vkFormat,
                Extent        = new SharpVulkan.Extent3D((uint)width, (uint)height, 1),
                MipLevels     = (uint)levelCount,
                ArrayLayers   = 1,
                Samples       = SharpVulkan.SampleCountFlags.Sample1,
                SharingMode   = SharpVulkan.SharingMode.Exclusive,
                InitialLayout = SharpVulkan.ImageLayout.Undefined,
                Tiling        = tiling
            };

            image = context.Device.CreateImage(ref imageCreateInfo);
            var memoryPropertyFlags = SharpVulkan.MemoryPropertyFlags.DeviceLocal;

            if (IsPvrtc1Format(Format))
            {
                memoryPropertyFlags |= SharpVulkan.MemoryPropertyFlags.HostVisible | SharpVulkan.MemoryPropertyFlags.HostCoherent;
            }
            memory = context.MemoryAllocator.Allocate(image, memoryPropertyFlags, tiling);
            var viewCreateInfo = new SharpVulkan.ImageViewCreateInfo {
                StructureType    = SharpVulkan.StructureType.ImageViewCreateInfo,
                ViewType         = SharpVulkan.ImageViewType.Image2D,
                Image            = image,
                Format           = vkFormat,
                Components       = SharpVulkan.ComponentMapping.Identity,
                SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color)
            };

            imageView = context.Device.CreateImageView(ref viewCreateInfo);
            var memoryBarrier = new SharpVulkan.ImageMemoryBarrier {
                StructureType         = SharpVulkan.StructureType.ImageMemoryBarrier,
                Image                 = image,
                OldLayout             = SharpVulkan.ImageLayout.Undefined,
                NewLayout             = SharpVulkan.ImageLayout.ShaderReadOnlyOptimal,
                SourceAccessMask      = SharpVulkan.AccessFlags.None,
                DestinationAccessMask = SharpVulkan.AccessFlags.ShaderRead,
                SubresourceRange      = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color)
            };

            context.EndRenderPass();
            context.EnsureCommandBuffer();
            context.CommandBuffer.PipelineBarrier(
                SharpVulkan.PipelineStageFlags.TopOfPipe, SharpVulkan.PipelineStageFlags.VertexShader | SharpVulkan.PipelineStageFlags.FragmentShader,
                SharpVulkan.DependencyFlags.None, 0, null, 0, null, 1, &memoryBarrier);
        }