The pack includes 43 unique HDR textures, each designed specifically for convolution-kernel bloom effects in 3D rendering and game development. The textures are provided in high-resolution EXR format, 2048*2048 px each.
Video Overview: https://youtu.be/QFwm7Qj_J_w
The level and environment from the preview images and video are not included in the pack (used only for demo)
Step-by-Step Instruction
- Inside Unreal Engine, create or select the Post Process Volume in the level. Ensure it is set to Unbound if you want it applied globally.
- Navigate to Lens Settings: In the Details panel, scroll down to the Lens section and expand Bloom.
- Change Method to Convolution: Under the Method dropdown, select Convolution.
- Assign the Texture from Textures folder: Drag and drop your desired HDR texture into the Convolution Kernel slot.
- Adjust Brightness, Color, and Scale.
Support
Please message me via PM or use my email: oleg.verenko@gmail.comIf you have any questions or issues with my product, do not hesitate to write to me. I always answer and support my clients.
Advanced HDR Textures for Convolution Kernel Bloom Pack is a professional-grade collection of 43 high-dynamic-range convolution textures designed to create physically convincing and stylistically controlled bloom effects in real-time and offline rendering engines.
This pack is built specifically for convolution kernel bloom workflows, delivering highly detailed highlight diffusion patterns with accurate HDR intensity distribution. The textures are engineered to respond naturally to bright light sources, producing cinematic glow, lens streaks, star filters, and filmic halation effects.
Design
The textures are designed using real optical reference combined with physically inspired light diffusion models. Each kernel preserves a strong luminance core while gradually transitioning into controlled falloff regions, ensuring natural highlight roll-off without flattening contrast.
The pack covers:
- Physically accurate lens bloom simulation
- Anamorphic streak behavior
- Blade-based starburst patterns
- Film-style halation
- Stylized sci-fi glow
- Soft photographic diffusion
All kernels are structured for clean convolution sampling, avoiding artifacts, banding, or unnatural clipping.
Style
The overall style ranges from:
- Photorealistic cinematic
- Modern AAA game visuals
- High-end film emulation
- Architectural visualization lighting
- Sci-fi and stylized glow aesthetics
Subtle variants are ideal for realistic daylight scenes, such as rooftop environments, city skylines, and natural sun glare. Stronger variants enhance neon lighting, emissive materials, sci-fi elements, and dramatic sunset compositions.
Form & Structure
Each texture features:
- High dynamic range intensity values
- Smooth radial gradients with controlled falloff
- Precise directional streak geometry
- Symmetrical and asymmetrical optical distributions
- Balanced energy dispersion for stable convolution
The radial forms preserve a bright core surrounded by soft bloom halos. Directional textures emphasize elongated horizontal or vertical streaks for anamorphic rendering pipelines. Star-filter forms simulate aperture blade diffraction patterns.
Color & Light Behavior
- The textures are optimized primarily for neutral HDR bloom behavior but respond dynamically to scene light color. When applied:
- Warm sunlight produces golden cinematic glow
- Cool HDR lighting generates crisp blue-white diffusion
- Neon emissive materials create saturated streak bloom
- High-intensity highlights generate smooth atmospheric spread
Technical Specifications
- 43 HDR convolution kernel EXR textures for Unreal Engine 5.4 and newest
- High-resolution format (2k)
- Optimized for real-time and offline rendering
Ideal For
- Cinematic real-time rendering
- Architectural visualization
- Film previs
- Game development
- Sci-fi and stylized projects
- HDR post-processing workflows
*Tags *
HDR, convolution bloom, bloom textures, convolution kernel, cinematic bloom, HDR textures, lens bloom, anamorphic streak, star filter, film halation, optical glow, Unreal Engine bloom, post process, real-time rendering, cinematic lighting, HDRI texture, light diffusion, glare effect, highlight glow, photorealistic rendering, VFX tools, architectural visualization, AAA game lighting, lens simulation, optical effects, high dynamic range, post processing, glow texture pack, bloom kernel pack, HDR textures, bloom effects, post-processing, 3D rendering, game development, CGI assets, futuristic architecture, lens flare, high dynamic range, urban landscapes, light scattering, brutalist style, greenery integration, sun burst, night scenes, daytime vistas, photorealistic renders, Unreal Engine, visual effects, atmospheric glow, optical flares, urban, city, environment.
