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[RT_0]

Charles Grassi

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GRAPHICS PROGRAMMER_

HLSL GLSL Unity Unreal WebGL
~/charles/gpu_profile

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PERF_COUNTERS LIVE
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SHADERS_SHIPPED
0 %
AVG_PERF_GAIN
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STUDIOS
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YEARS_XP
SHADER_PROPERTIES
_Shaders
5/5
_VFX
4.5/5
_Optimization
4.5/5
_TechArt
4/5
RENDER_TARGETS 12
RT_0 Ubisoft AAA Games RT_1 Nexus Studios VFX / Animation RT_2 The Sandbox Web3 / Metaverse RT_3 22cans Game Studio RT_4 Nexile AB Game Studio RT_5 DREST Fashion Tech RT_6 H3 Space Space Tech RT_7 Little Red Dog Indie Games RT_8 Scapin' Mobile RT_9 SABDA Interactive RT_A GN3RA AI / Creative RT_B Lunchbox Ent. Entertainment
Compiling shaders...
Oceanic Planet
Atmosphere
Lava Planet
Atmosphere
Sun / Corona
Core & Glow
Corona
Rays
Streamers
Halo Rings
Animation
Space Particles
Focus Distance
Blur Distance
Bokeh Effect
Circle Quality
Appearance
Shooting Stars
Debug Quads
Star Temperature
Unity 15000K
M O
Intensity 1.0
Falloff 0.23
Unreal 2000K
M O
Intensity 1.0
Falloff 0.39
Graphics 5000K
M O
Intensity 1.0
Falloff 0.45
Ambient Light 0.00
Fog Intensity 0.15
M K G F A B O Star Classification
Orbital System
Navigation
Core Skills
Secondary
Tools
Drag nodes to explore
Core Expertise
UUnity
C#C#
SHHLSL/GLSL
UEUnreal Engine
Graphics APIs
DXDirectX 11/12
GLOpenGL
VKVulkan
WGWebGL
MTMetal
Unity Pipelines
URURP
HDHDRP
VFVFX Graph
SGShader Graph
Specializations
VRAR/VR
CSCompute Shaders
NINiagara
GIGlobal Illumination
PPPost-Processing
PBPBR Materials
Languages
C+C++
PYPython
JSJavaScript
TSTypeScript
Debug & Profiling Tools
RDRenderDoc
NSNSight
PXPIX
FDFrame Debugger
OUTPUT_BUFFER 1920x1080 RGBA16F
Blumhouse Enhanced Cinema
VR ArtStation
Blumhouse Enhanced Cinema
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Blumhouse Enhanced Cinema
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Cave 360° Scene Composition
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Raytraced Mountain Scene
06
SABDA Projection Mapping
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SABDA Projection Mapping
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SABDA Projection Mapping
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10
Volumetric Fog
11
Sandbox Stylized Cloud
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Baked Volumetric Fog
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2025 ACTIVE

Technical Artist & Graphics Programmer

Nexus Studios

Built real-time global illumination using SDF representations for VR environments. Implemented GPU compute pipelines for light baking optimization.

90 FPS Quest 2
15× faster Bake Time
20+ lights Dynamic
Compute Shaders SDF VR Global Illumination
2023–2024 LEADERSHIP

Chief Technology Officer

SABDA

Led technical direction for 16K immersive installation with 360° projection. Architected projection mapping pipelines and managed 64-channel spatial audio.

16K resolution 15360×1080px
8 engineers Team Size
2.5 GB/s Throughput
Projection Mapping Spatial Audio Real-time 3D Team Leadership
2023 LEAD

Lead Graphics Programmer

Little Red Dog Games

Directed team of graphics engineers developing high-performance VFX with compute shaders and Burst-compiled code.

70% faster CPU Time
15+ shaders Shipped
4 engineers Directed
Compute Shaders Burst VFX Team Lead
2023 SENIOR

Senior Graphics Programmer

22cans

Created shader library targeting mobile and desktop. Developed grass rendering system with volumetric lighting across hardware tiers.

1M+ blades Grass
25+ materials Library
<5ms GPU Volumetrics
HLSL Mobile Volumetrics Grass
2023 EXPERT

Shader Expert

GN3RA

Developed HDRP cloth shader system with 12+ fabric types. Optimized VFX with physically-based subsurface scattering.

12+ fabrics Types
35% reduction GPU Time
4K 60 FPS Target
HDRP Cloth Simulation VFX
2022 EXPERT

Shader Expert

DREST

Delivered specialized shader solutions for fashion tech including realistic fabric rendering and PBR workflows.

8 shaders Delivered
40% reduction GPU Time
Fashion Tech Materials Optimization
2021–2022 GRAPHICS

Graphics Programmer

Scapin' · The Sandbox

Engineered custom lighting system for web3 social applications. Built stylized cloud shader with 8-layer parallax.

30+ lights Dynamic
2M+ users Reach
55% faster Frame Rate
Lighting Mobile Optimization Web3
2021–2022 DEVELOPER

Unity Developer & Technical Artist

Lunchbox Entertainment

Created custom shaders including terrain, clouds, water with caustics, and bubble VFX for game environments.

18+ shaders Custom
60 FPS Switch
Water Shaders VFX Environment Art
2021 ENGINEER

Graphics Engineer

H3 Space

Developed graphics solutions for AR/VR across Quest 2 and HoloLens 2. Optimized particle systems and post-processing.

90 FPS VR Target
50K+ particles Real-time
<2ms latency Post-FX
AR/VR Optimization 3D Math
2020–2021 ORIGIN

Unity Developer & Graphics Programmer

Ubisoft

Delivered graphics programming for AAA game development. Shipped custom shaders across PC, PS5, and Xbox Series X.

20+ shaders Shipped
50% reduction GPU Time
100K+ particles Console
AAA VFX Performance
RENDER_JOURNAL.ACTIVE // -- entries

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Deep dives into shaders, graphics programming, and real-time rendering

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