ppsspp

preserve-emulation/ppsspp

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Henrik RydgårdandClaude Opus 5.5 d6f045aad9 SoftGPU: Add the diffuse light without branching on its factor

N.L changes sign from vertex to vertex, so the branch on it was mispredicted a lot. A factor that isn't
positive scales the color to 0, so the term can always be added. Vertex reading about 6% faster in
Tekken 6.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

2026-10-09 09:07:12 +02:00

BinManager.cpp

SoftGPU: Store depth in VRAM as the GE does

2026-10-08 18:35:48 +02:00

BinManager.h

SoftGPU: Store depth in VRAM as the GE does

2026-10-08 18:35:48 +02:00

Clipper.cpp

SoftGPU: Cull primitives entirely outside an x or y plane

2026-10-02 15:09:43 -06:00

Clipper.h

SoftGPU: Cull primitives entirely outside an x or y plane

2026-10-02 15:09:43 -06:00

DrawPixel.cpp

SoftGPU: Don't flush for JIT compiles where there's no JIT

2026-10-05 14:55:17 -06:00

DrawPixel.h

SoftGPU: Store depth in VRAM as the GE does

2026-10-08 18:35:48 +02:00

DrawPixelX86.cpp

SoftGPU: Store depth in VRAM as the GE does

2026-10-08 18:35:48 +02:00

FuncId.cpp

SoftGPU: Keep a not-black color test when dithering, fog or a logic op is on

2026-10-08 18:37:32 +02:00

FuncId.h

SoftGPU: Store depth in VRAM as the GE does

2026-10-08 18:35:48 +02:00

GEMath.cpp

SoftGPU: Skin the x, y and z components together in vector lanes

2026-10-09 09:07:12 +02:00

GEMath.h

SoftGPU: Skin a vertex without per-operation fallback checks

2026-10-09 09:07:12 +02:00

Lighting.cpp

SoftGPU: Add the diffuse light without branching on its factor

2026-10-09 09:07:12 +02:00

Lighting.h

SoftGPU: Keep the vertex position, normal and light vectors as Vec4F32

2026-10-09 09:07:12 +02:00

Rasterizer.cpp

SoftGPU: Store depth in VRAM as the GE does

2026-10-08 18:35:48 +02:00

Rasterizer.h

SoftGPU: Don't change a state the threads may be drawing with

2026-10-05 14:55:17 -06:00

RasterizerRectangle.cpp

SoftGPU: Only draw 1:1 textured triangle rectangles as sprites

2026-10-02 15:09:43 -06:00

RasterizerRectangle.h

SoftGPU: Keep textured rectangles as triangles unless they'd match

2026-10-02 15:09:42 -06:00

RasterizerRegCache.cpp

GPU: modernize use C++17 constexpr for precalculate compilation

2026-05-19 21:57:45 +03:00

RasterizerRegCache.h

Delete remains of support for the MIPS architecture as host

2026-02-17 10:20:51 +01:00

README.txt

…

Sampler.cpp

SoftGPU: Don't flush for JIT compiles where there's no JIT

2026-10-05 14:55:17 -06:00

Sampler.h

SoftGPU: Sprite UVs and texel addressing like the GE

2026-10-02 15:09:42 -06:00

SamplerX86.cpp

SoftGPU: Leave textures with an invalid level address to the generic samplers

2026-10-05 13:05:46 -06:00

SoftGpu.cpp

SoftGPU: Keep the vertex position, normal and light vectors as Vec4F32

2026-10-09 09:07:12 +02:00

SoftGpu.h

Core: Let 16-bit CPU accesses through the depth mirrors see the GE's layout

2026-10-08 18:37:23 +02:00

TransformUnit.cpp

SoftGPU: Skin a vertex without per-operation fallback checks

2026-10-09 09:07:12 +02:00

TransformUnit.h

SoftGPU: Keep the vertex position, normal and light vectors as Vec4F32

2026-10-09 09:07:12 +02:00

trirast.txt

…

README.txt

To get to 100% compatibility, we will need a software renderer as there are games out there that do tricks
that can't really be faked in a sensible way. Useful for homebrew too that mix sw and accel rendering.