raster-expected-phase13.h

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/*
 
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#pragma once
 
// Phase-13 expected values. Most tests use expectedClut8Color() or
// expectedTex15Color() inline; constants below are for the
// semi-trans/mask cases where the value depends on hardware-specific
// blend math.
 
#include "raster-helpers.h"
#include "texture-fixtures.h"
 
// 15-bit semi-trans masked rect over red background (R5=31), F texel
// = vram555(0, 0, 0)|0x8000 = 0x8000 (mask bit set, R/G/B = 0).
// F8 channels: R=0, G=0, B=0. B8 channels: R=248, G=0, B=0.
// All output pixels carry bit-15 due to texel-mask propagation.
//
// ABR=0: (248+0)/2=124 -> R5=15. Output = 0x000f | 0x8000 = 0x800f
// ABR=1: 248+0=248 -> R5=31. Output = 0x001f | 0x8000 = 0x801f
// ABR=2: 248-0=248 -> R5=31. Output = 0x001f | 0x8000 = 0x801f
// ABR=3: 248+0=248 -> R5=31. Output = 0x001f | 0x8000 = 0x801f
#define TR15_SEMI_ABR0_BLEND   0x800fu
#define TR15_SEMI_ABR1_BLEND   0x801fu
#define TR15_SEMI_ABR2_BLEND   0x801fu
#define TR15_SEMI_ABR3_BLEND   0x801fu
 
// 8-bit set-mask textured rect: CLUT8[0] = vram555(0, 31, 0) = 0x03e0.
// E6 set-mask forces bit 15 on output -> 0x03e0 | 0x8000 = 0x83e0.
#define TR8_SETMASK_OUTPUT     0x83e0u
 
// 15-bit check-mask: pre-fill (R5=8) | 0x8000 survives = 0x0008 | 0x8000 = 0x8008.
#define TR15_CHECKMASK_PREFILL 0x8008u