January 20, 2025

SDK 41

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New Engine features:

• C++ reflection.
• JavaScript API.
• Node-based materials editing.
• Material depth intersection blending.
• Randomized texture coordinate sampling.
• All Core SDK language examples render torii objects.

Plugin changes:

• C++ API reflection plugin has been added.
• JavaScript API plugin for JavaScript-only applications has been added.
• MaterialFlow plugin provides full node-based material editing functionality.
• webp Image format plugin has been added.
• Bound types have been added to all languages.
• Flow plugin includes base GLSL generation library.
• Flow plugin supports different variants and versions.
• Input and output attachment, and create callbacks have been added to the Flow plugin.
• Primitive plugin skips zero-sized cylinder caps.

Tools changes:

• All Explorer Material uniform sliders have text editing mode on the right mouse click.
• Explorer Material editor supports vec2 uniforms.
• Old scenes are backed up before the Explorer scene save action.
• Explorer includes a MaterialFlow plugin for node-based material editing.

Sample changes:

• 10_hello_image manual sample.
• 11_hello_bindless manual sample.
• platform/storage test has been added.
• materials/material_foliage.scenex animation material example.
• nodes/node_geometry.scenex geometry selection example.
• render/render_refraction.scenex render refraction example.
• material_flow_animation|anisotropy|bumpmap|cell|forward|fractal|parallax|perlin|skinned|texcoord|transparent|vertex sample scenes with MaterialFlow-based materials have been added to Engine SDK.

API changes:

• Each API class has reflection methods getClassName() and getClassNamePtr().
• makeQuickCompare() function has been added to enable simple inline comparison lambdas.
• Parser::expectToken|Name() functions have been added.
• Spatial::intersection() correctly handles single Node cases.
• Control::addChild() method replaces/swaps the child control and returns the old one if it was replaced (new child) or null if it was swapped.
• ControlCombo can hide the current text with setTextEnabled() and act as simple menu.
• ControlSlider has Double and Right mouse button callback handlers.
• ControlSlider has unconstrained editing mode with the Option key pressed.
• ControlEdit can handle user keyboard events (keyboard events from other controls) with updateKeyboard() method.
• HSV color conversion has been added to the Color struct.

Internal features:

• An issue with a wrong number of parameters returned from String::scanf() function on empty numbers has been fixed.
• Variables with “step” or any other reserved by external function names are automatically renamed into “step_%x” by the compiler to avoid name collision on some API.
• The shader preprocessor recognizes “quiet” pragma and hides macro debug information during errors.
• The shader compiler recognizes “dynamic” pragma and avoids shader cache creation for such shaders.
• ControlRoot::setOverlayOrder() automatically fixes the issue with overlays rendering inside ControlArea.
• ControlDialog limits the number of iterations to 8 to avoid hangs.
• A vertex shader pass has been added to the MaterialShading class. This pass is performed after vertex skinning and morphing and is useful for dynamic geometry that calculates motion vectors automatically.
• All Object shaders use #assign instead of #define macro to avoid “macro has been redefined” warnings.
• attribute_position and attribute_normal shader inputs provide pre-skinned|morphed values good for procedural texture coordinate generation.
• GLTF KHR_materials_anisotropy extension support.
• HLSL access to half SSBO types.
• Global GLSL constant arrays support has been added.
• GLSL array initialization is compatible with vector types.
• MeshMaterial::Anisotropy|AnisotropyAngle parameters have been added.
• The number of SSBO buffers in Pipelines, Kernels, and Traversals has been increased to 32.
• Correct evaluation of nested shader macros without values.
• The number of barriers per barrier() call has been increased to 128.
• A random bug with incorrect parsing of some JPEG files has been fixed.
• isFinite|Normal|Inf|Nan functions are manually implemented.
• Access to SpatialTree internal buffers has been added.
• WebGPU can be initialized from a preinitialized device.
• Frame Viewport struct includes scene_time|ifps|seed|layer members.
• Correct depth bias evaluation for screen space occlusion. The banding artifact has been removed.
• HDR reflection overflow has been fixed on iOS.
• Temporal antialiasing has a better reaction to luminance changes.
• An incorrect first frame motion vector artifact has been removed.
• NodeObject has a new geometry index parameter for strict geometry selection.
• LightGlobal has a new split offset parameter for a better split distribution.
• MaterialMetallic|Specular has a PixelDepth option for random depth value for smooth depth intersection.
• MaterialMetallic|Specular has a Randomized texture coordinates option for tile-less texture sampling.
• New Apple devices have been added to system Info. A device version is also included in the system info string.