v0.8.7

API documentation: https://twiren.kapsi.fi/doc_v0.8.7/html/

New Features:

• Spotlight attenuation is driven by cone angle
• Particle system.
• Alpha testing for materials. Currently used only in shadow pass.
• Spotlight radius now affects its culling instead of hardcoding the radius in the shader.
• Roughness constant can be set for materials.
• Render texture pixels can be read.
• Render textures can enable UAV flag to allow RW access in compute shaders.
• Render texture depth can be bound to compute shaders.
• VRAM usage can be queried with System::Statistics::GetGpuMemoryUsage().
• Bloom intensity can be set.
• MSAA and fullscreen can be set simultaneously in Misc3D sample.
• D3D12: Shaders are now compiled with DXC, using shader model 6.0.
• D3D12: Compute PSO is created when the shader is loaded, not when it's dispatched.
• Graphics API validation can be enabled/disabled when creating the renderer, no need to compile the engine library anymore.
• Graphics API markers are now enabled in Release builds.
• iOS: Device motion reading.
• Metal: Batched buffer, sampler and texture setting in draw().
• Vulkan: Reduced memory allocations from vertex/index buffer creation.
• Vulkan: Barrier batching. Used for example in Bloom blur texture transitions.
• Vulkan: Timestamps can be disabled by defining DISABLE_TIMESTAMPS.

Bugfixes:

• Metal: Render pass order is fixed, previously for example depth pass was after light culler.
• Shadows now work with Standard shader.
• Vulkan: Fixed lights still being visible even after destroying the light component.
• Vulkan: Fixed a texture barrier validation error that started happening with SDK 1.2.182
• More accurate frustum culling profiling.
• D3D12: Spotlight shadow projection now matches Vulkan.
• D3D12 MSAA was broken.
• Fixed gameobject name parsing from .scene, it had a preceding space.
• LineRendererComponent was missing from Makefile_Vulkan_OpenVR.

Editor:

• Selection highlighting
• Spotlight radius can be set.
• Faster camera moving if shift is pressed.
• Directional light direction visualization.
• Fixed file type filter in audio clip open dialog.
• Fixed a crash after pressing Esc to deselect an object and then loading a scene file.
• Fixed only one submesh being visible when duplicating a gameobject.
• Fixed textfield rendering.
• Fixed light direction visualization on macOS.
• Fixed gameobject duplicating to also duplicate AudioSourceComponent and CameraComponent.
• Del key is now handled in text input field.

v0.8.6

API documentation: http://twiren.kapsi.fi/doc_v0.8.6/html/

New features:

• Updated Visual Studio projects to 2019
• SSAO
• Spot light attenuation.
• Skinning in Standard shader
• Skinning in Depthnormals shader
• Added a LineRendererComponent.

Vulkan:

• Shaders are now compiled with DXC
• Bugfix: Bloom now works with MSAA.
• Bugfix: GPU validation error when freeing font memory.
• Bugfix: Fixed accessing garbage data if calling System::CreateLineBuffer more than once.

D3D12:

• Pix markers work again.

Metal:

• Fixed flickering when using Forward+ and shadows or render textures.

General bugfixes:

• Fixed .obj converter index overflow when total number of indices in all meshes exceeded 65535.
• Fixed mouse wheel reporting on Windows.
• Fixed Blender exporter autosmooth normal Python syntax.
• Fixed Blender exporter UV orientation.
• Fixed some exporting code paths when there are more than one mesh.
• Fixed spot light shadowcasting to apply cone angle instead of hardcoding it to 45 degrees.

Editor:

• Bugfix: Gizmo x-direction moving was wrong.
• Bugfix: Grid is now rendered with proper depth testing
• Bugfix: Fixed jumpy camera panning on Linux.
• Bugfix: Fixed scene camera moving over Inspector.
• Bugfix: Fixed a memory leak in Nuklear renderer.
• Bugfix: Fixed game object copying not copying some components or properties,
• Light direction visualization.
• Spotlight cone angle can be set.
• PageUp/Down moves the object in z-direction.
• Textfield now accepts left and right key to move the cursor.
• Bloom threshold slider
• Postprocessing controls
• Optimized mouse hovering by not checking collision against everything, only the gizmo.

v0.8.5

API documentation: http://twiren.kapsi.fi/doc_v0.8.5/html/

New features:

• Better-looking Bloom
• Standard shader supports shadows.
• Standard shader matches Filament more closely.
• MeshRenderer's AABB can be visualized.
• D3D12: Support for Radeon GPU Profiler user markers by defining USE_RGP_MARKERS in GfxDeviceD3D12.cpp..
• Keyboard events store modifiers like shift and control.

Vulkan:

• Fixed cube map render texture rendering only one face.
• Fixed PSO hash calculation. It caused a bug with cube render texture.
• Fixed a crash when enabling both multisampling and shadows.
• Fixed a crash when loading a corrupted texture through stb_image.
• Fixed synchronization validation errors in texture code.
• Fixed translucency.

D3D12:

• Fixed translucency.
• Fixed that If cube map loading fails, use a default cube texture instead of crashing.
• Fixed Bloom wrong resource states, leading to flickering.

General bugfixes:

• Scene's minimum ambient wasn't applied in shadow mapping code.
• Movement keys sometimes remained stuck after releasing.
• HLSL and Metal Standard shader now produces more similar lighting.
• Blender exporter didn't handle coordinate system properly, seen on files with multiple meshes.
• Fixed gameobject copying, causing accessing deleted objects when loading a scene file with multiple objects.
• Fixed Matrix44::TransformPoint/Dir when input and output are the same object.
• Normal map state leak: previous object's map can be shown on an object that doesn't have a normal map.
• Cube render texture faces displayed the same direction.
• Shadows could be visible even when no lights cast shadow.
• Spot light shadow displayed wrong outside the area, especially in back of the camera.

Misc:

• Updated OpenAL-soft to 1.20.1
• Updated stb_vorbis to 1.20.
• Updated FBX SDK dependency to 2020.1.1

Editor:

• bugfix: Inspector values for position and scale now accept keyboard input
• bugfix: Transform gizmo now follows object when position is changed in Inspector
• bugfix: If scene save dialog was dismissed, scene was left without a camera.
• bugfix: Grid lines moved when mesh goes out of screen
• bugfix: Mouse movement was inverted on Wayland.
• bugfix: Thin vertex format (PTN) mesh picking caused array-out-of-bounds error.
• bugfix: Panning continued after stopping mouse movement.
• bugfix: Fixed flickering on macOS.
• bugfix: Smoother camera keyboard movement.
• bugfix: Editor camera was saved into .scene file.
• bugfix: Material is now applied to all submeshes.
• bugfix: Gizmo axis dragging direction fix
• Mouse scroll handling.
• Game object can be selected in the inspector.
• Gizmo axis under cursor is highlighted.
• 'f' key focuses on object
• Arrow keys can be used to move selection.
• Light color can be changed.
• Inspector now uses a tree view for components.
• Game object can be duplicated using ctrl-d
• Game object can be selected by clicking its sprite.
• macOS: Massive input handling fixes
• macOS: Game object can be removed using Backspace

Known issues:

• Metal: Flickering when using Forward+ with render targets or shadows.
• Metal: If standard material is used but forward+ is not defined, system hangs.
• macOS/iOS: .ogg file loading crashes.
• Editor: If light casts shadow, gizmo is dark
• Editor: Panning is jumpy on Linux.
• Editor: Gizmo x-dir is sometimes wrong
• D3D12: Pix markers are temporarily commented out, will be added back into next release.
• D3D12: bounding box drawing breaks cube map binding.
• Vulkan: Bloom doesn't work with MSAA

v0.8.1

API documentation: http://twiren.kapsi.fi/doc_v0.8.1/html/

New Features:

• Blender exporter supports Blender 2.80
• Scene files can contain normal maps. If their file name ends with "_n", their colorspace will be linear.
• BC5 texture compression support
• Cube map reflection in standard shader
• Serialized material can have multiple textures
• Render targets can now be 16-bits

Metal:

• Audio system uses AVAudioEngine instead of deprecated OpenAL.
• Fixed samplers not using mipmaps.

Vulkan:

• Compute shader hot-reload
• Fixed: vkCmdResolveImage doesn't use optimal layout, spams warnings
• Fixed depthnormals GPU time calculation
• Fixed fullscreen crash when Forward+ is used
• Fixed render texture being translucent when shadow rendering is enabled.
• Fixed validation errors when loading BCn cube maps
• Dynamic vertex buffer, used for Nuklear/Editor. Much faster.
• Cube map faces loaded from non-compressed textures can generate mipmaps
• GPU-assisted validation
• Performance best practices validation
• Use standard location for Vulkan headers
• Don't use deprecated debug marker extension
• Don't crash if swapchain has 4 images

D3D12:

• Fixed fullscreen crash when Forward+ is used
• Fixed render texture being translucent when shadow rendering is enabled.
• Fixed anisotropic filtering.
• Implement normal maps in Standard shader
• Mipmaps for DDS cube maps
• Use newer Pix3 API. Needs WinPixEventRuntime NuGet package.
• Texture2D hot-reload
• Mouse coordinates were wrong in NuklearTest

Misc:

• Normal map is scaled correctly by * 2 - 1 and other fixes to tangent-space
• Fixed some DDS files to load without asserts.
• FBX SDK dependency updated to 2019.5
• stb_image and stb_vorbis updated (vorbis 1.18, image 2.25)
• Skip shadow pass if no lights cast shadow

Editor:

• Don't deselect object if inspector is clicked
• Keyboard input on macOS
• Point light radius can be changed in its inspector
• Game object position and scale can be changed in its inspector
• Game objects can be selected by clicking their sprites
• Fixed setting a mesh for a game object doesn't display it (Vulkan, added mesh to empty GO)
• File type filter in open dialogs
• Can add and play audio clips
• Cmd+S and Cmd+O open save/close dialog on macOS

Code Metrics:

• Lines of code without ThirdParty: 24729

v0.8

API documentation: http://twiren.kapsi.fi/doc_v0.8/html/

New features:

• Skinning in shadow pass
• BC4 texture compression support
• Shadow casting can be disabled per MeshRenderer
• Ambient light color can be set for Scene.
• Bloom effect
• Timer query for light culler

Metal:

• Don't recreate vertex buffer if the old is big enough
• Don't set PSO if not necessary
• Implemented additive alpha blending
• Fixed broken Spotlight shadow

Vulkan:

• VR implementation
• Spotlight color in Forward+
• Profiling Present()
• Fixed line drawing
• Vertex and Pixel shader reloading
• Shader VGPR and SGPR display on AMD
• Fix garbage when mipmap generation is used
• Use new Debug Utils extension instead of old Debug Marker
• Mipmaps can be generated for cube maps
• Fixed MSAA
• Fixed spot light shadow map addressing mode

D3D12:

• Fixed spot light shadow map addressing mode
• Spotlight in Forward+

Editor:

• Game object can be deleted using "delete" key
• Fixed a crash when cancelling scene file open dialog
• Save dialog works on Windows and macOS
• Open dialog works on macOS
• Fixed "set mesh" removing the current mesh if it's cancelled
• Gamepad support
• Component sprites shown on game objects in the scene view.
• Fixed "Set Mesh" on macOS

Code Metrics

• Lines of code without ThirdParty: 22403

v0.7.8

API documentation: http://twiren.kapsi.fi/doc_v0.7.8/html/

New Features:

• All backends

  • Shaders now include the uniform buffer instead of repeating its definition
  • Normal maps in Standard shader
  • VSync can be disabled
  • Directional light in Standard shader
  • Spot lights in light culler
  • Scene files can provide compressed textures in addition to uncompressed
  • Scene is rendered to a texture that can be used for postprocessing effects.

• Vulkan

  • Mipmaps are loaded from .dds files if they exist

• Metal

  • Cube map faces can be .dds
  • ASTC texture support on iOS

• D3D12

  • Shaders are now loaded as bytecode instead of compiling at runtime
  • Shader hot-reload
  • HLSL 5.1

Removed Features:

• Removed OpenGL backend
• Greatly reduced STL usage

Bug Fixes:

• Vulkan

  • Better mouse release handling on Linux
  • Shaders always sampled mip level 0
  • Fixed texture loading on Intel driver
  • Fixed vertex offset in Draw(), fixing UI rendering
  • MSAA was never enabled on Linux

• Metal

  • Several optimizations, Sponza scene with 2048 lights now renders at 60 Hz on iPad Pro
  • Massive speedup on macOS by using MTLResourceStorageModeManaged for UBOs

• D3D12

  • Fix mipmap loading from .dds
  • Shaders always sampled mip level 0
  • Disable alt-enter

Code Metrics

• Lines of code without ThirdParty: 21359

v0.7.5

API documentation: http://twiren.kapsi.fi/doc_v0.7.5/html/

New features:

• Vulkan

  • Replaced GLSL shaders with HLSL, shared with D3D12
  • Render textures (2D)
  • Shadow maps
  • Skinned animation
  • Total vkAllocateMemory calls are logged in Statistics
  • GPU timer queries
  • Line drawing

• Metal

  • sRGB backbuffer
  • Skinned animation
  • Keyboard input on macOS

• D3D12

  • Skinned animation
  • sRGB textures
  • GPU timer queries

General

• Nuklear UI support
• HiDPI support on Windows, to prevent blurry scaling
• Windows: Gamepad state is read only if it's connected
• FBX converter reads tangents if they exist
• Shader uniforms are accessed by buffer offset instead of name

Bug fixes:

• Linux mouse up event is now handled
• Screen coordinate system origin was inside title bar on Windows
• Disable window resizing on Linux, caused a crash on Vulkan
• Gamepad right thumb was not handled on Linux
• Directional light shadow was broken if the scene contained a 2D camera
• Vulkan
  • Wrong projection matrix on Linux and Windows Makefile build.
  • Anisotropy feature was not enabled, so using it caused a validation error
  • Texture loading was broken on Intel
  • Fixed cube map loading
• D3D12
  • System::DrawTexture() displayed wrong texture
• GL
  • Don't assert on performance debug output messages
• Editor
  • Fix component sprite positions on HiDPI displays

Third party updates:

• Updated OpenVR to 1.0.10

Known bugs:

• D3D12
  • Shadow maps use wrong sampler
  • NuklearTest renders different from GL
• GL
  • Spotlight-shadow has a bright part outside of the map
• Vulkan
  • Timer queries don't show valid values on some systems
  • Cube render textures are unimplemented
  • Forward+ is partially broken
  • NuklearTest has some rendering issues

Code metrics:

• Lines of code without ThirdParty: 22426

v0.7

API documentation: http://twiren.kapsi.fi/doc_v0.7/html/

New features:

• Skinned animation support for FBX (OpenGL only for now)
• Triangle picking
• GPU profiling (OpenGL only for now)
• Looping audio
• Components can be disabled
• Camera viewport
• Metal
  • Point light tile culling (Forward+)
  • Massive performance increase due to not creating uniform buffers on the fly
  • Line drawing
  • Material's shader name is now read from the scene file
• Vulkan
  • Massive performance increase due to not creating uniform buffers on the fly
  • Render textures
• D3D12
  • Point light tile culling (Forward+)
  • Massive performance increase due to better handling of descriptor heaps
  • Line drawing
  • Shader compiler treats warnings as errors
  • Shader compiler optimizes shaders in Release
• OpenGL
  • Uniform buffer objects
  • Textures are not unnecessarily bound
• Editor
  • Undo menu shows what action to undo
  • Fixed undo duplicate
  • Disable menu item for component adding if the go already has the component
  • Camera component's far plane is now 200 instead of 1
  • ctrl-a now selects all objects in scene tree

Bug fixes:

• Asserts are now only used in Debug builds
• Fix rendering of disabled object's shadow
• Fix depthnormals rendering meshes twice
• Fixed win32 input event handling that caused jittery mouse movement
• Metal
  • Fixed an occasional crash (app's render pass descriptor could sometimes be nil)
  • Fixed cube map loading from .dds
• Vulkan
  • Fixed z-fighting by preferring a better depthstencil format
  • Fixed a crash when draw call count was too high

Third party updates:

• Updated stb_image.c to 2.16
• Updated stb_vorbis.c to 1.11
• Updated OpenVR to 1.0.8

Code metrics:

• Lines of code without ThirdParty: 21240

v0.6.5

API documentation: http://twiren.kapsi.fi/doc_v0.6.5/html/

New features:

• Line drawing (OpenGL only for now)
• Wireframe fill mode
• VR: Controller position exposed
• VR: Removed Oculus target, use OpenVR instead
• iOS: Input
• GL: Debug context in Linux
• Optimized Quaternion::FromMatrix
• More serialization, like light color and game object layer/enabled status
• 2-channel texture format, used for VSM shadows
• Shadow and depth pass profiling
• Triangle count shown in statistics
• D3D12
  • .dds for cube maps
  • Support all vertex input layouts
• Vulkan
  • Support all vertex input layouts
  • 2D camera can render on top of 3D scene
  • Anisotropic samplers
• Metal
  • Shadows
  • .dds for cube maps
  • Mipmaps for cube maps
  • Anisotropic samplers

Bug fixes:

• Camera and light now work correctly when their game object is a child of another game object
• Fixed frame time calculation on Linux
• D3D12
  • Fixed a crash when using MSAA and shadow maps
• Metal
  • Fixed loading of small textures
  • Fixed a crash in instruments
  • Fixed depth testing (missing depth attachment)
  • Fixed scene deserialization
• Fixed NEON SIMD bias matrix
• macOS: libaether3d_osx_gl.a was not copied into aether3d_build

ThirdParty updates:

• stb_image.c: 2.13
• OpenAL-soft: 1.17.2
• OpenVR: 1.0.6
• FBX SDK: 2017.1

v0.6

API documentation: http://twiren.kapsi.fi/doc_v0.6/html/

New Features:

• HTC Vive support
• Vertex-cache optimization
• Transparent object sorting
• SIMD math enabled by default
• Vulkan
  • Mipmaps
  • DDS textures
  • sRGB
• Metal
  • Forward+ light culling
  • Cube map render target
  • DDS textures
• D3D12
  • DDS textures
  • GPU-based validation
• OpenGL
  • Cube map faces can be read from DDS
• Linux mouse wheel support
• More serialization, making Editor more useful
• OBJ's MTL reader project for Visual Studio
• Frame time logging

Editor:

• Sprite renderer inspector
• Shadows
• Shortcuts work also in the scene window
• Confirm quit if scene is unsaved

Bugfixes:

• Shadows
  • Areas outside the shadow map are now unshadowed
  • Shadow camera creation could crash due to pointer becoming invalid
• General
  • Fixed a crash when using transform parenting due to pointer becoming invalid
  • Fixed camera moving when pressing unhandled keys
• Vulkan
  • Debug markers
  • Select suitable backbuffer and depth format, enhances compatibility
• Metal
  • Renderpass logic fixed, reducing flickering and fixing multiple cameras
  • Fixed debug markers
  • Fixed MSAA
• OpenGL
  • Context selection on Linux, preventing eg. Mesa3D defaulting to 2.1 on AMD
  • Texture cache didn't take into account filtering, sampler etc.
    Code metrics:
• Editor
  • Enabling shadow caused a crash on Windows
• Many other fixes, fixed corner-case crashes etc.
• SLOC without ThirdParty: 26810
• Average cyclomatic complexity (Metrix++): 2.49