Samsung S5PC110 Manual page 1384

S5PC110_UM
5.1.3 USSE FEATURES IN G3D
USSE represents the engine at centre of PowerVR SGX540 architecture. It supports a broad range of instructions.
The key features of USSE in G3D include:
•
Supports single programming model
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Enables multi-threading with 16 simultaneous execution threads and up to 64 simultaneous data
instances
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Provides zero-cost swapping in and swapping out of threads
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Supports cached program execution model with maximum program size of 4096 instructions
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Contains dedicated pixel processing and vertex processing instructions
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Supports 2048 32-bit registers
•
Supports SIMD execution unit related operations in
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32-bit IEEE float
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2-way 16-bit fixed point
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4-way 8-bit integer
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32-bit bitwise (logical only)
•
Controls static and dynamic flow in
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Subroutine calls
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Loops
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Conditional branches
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Zero-cost instruction predication
•
Supports procedural geometry
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Allows generation of primitives
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Enables effective geometry compression
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Supports high order surface
•
Enables external data access
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Reads from main memory via cache
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Writes to main memory
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Supports data fence facility
•
Reads dependent texture
5 4BG3D
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