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https://github.com/holub/mame
synced 2025-04-20 15:32:45 +03:00
Change back to ATTR_FORCE_INLINE and added option for double division for perspective correction
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ted green
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@ -26,6 +26,9 @@ enum
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// Use old macro style or newer SSE2 optimized functions
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#define USE_OLD_RASTER 0
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// Use old table lookup versus straight double divide
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#define USE_FAST_RECIP 1
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/* maximum number of TMUs */
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#define MAX_TMU 2
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@ -2200,7 +2203,7 @@ while (0)
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#if (!defined(MAME_DEBUG) || defined(__OPTIMIZE__)) && (defined(__SSE2__) || defined(_MSC_VER)) && defined(PTR64)
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// NB: This code should no longer be SSE2-specific now that it uses rgbaint_t, consider removing the #define and the #else case.
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INLINE UINT32 clampARGB(INT32 iterr, INT32 iterg, INT32 iterb, INT32 itera, UINT32 FBZCP)
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ATTR_FORCE_INLINE UINT32 clampARGB(INT32 iterr, INT32 iterg, INT32 iterb, INT32 itera, UINT32 FBZCP)
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{
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rgb_t result;
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rgbaint_t colorint((INT32) (itera>>12), (INT32) (iterr>>12), (INT32) (iterg>>12), (INT32) (iterb>>12));
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@ -2230,7 +2233,7 @@ INLINE UINT32 clampARGB(INT32 iterr, INT32 iterg, INT32 iterb, INT32 itera, UINT
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#else
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INLINE UINT32 clampARGB(INT32 iterr, INT32 iterg, INT32 iterb, INT32 itera, UINT32 FBZCP)
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ATTR_FORCE_INLINE UINT32 clampARGB(INT32 iterr, INT32 iterg, INT32 iterb, INT32 itera, UINT32 FBZCP)
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{
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rgb_union result;
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INT16 r, g, b, a;
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@ -2399,7 +2402,7 @@ do
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} \
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while (0)
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INLINE bool chromaKeyTest(voodoo_state *v, stats_block *stats, UINT32 fbzModeReg, rgb_union color)
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ATTR_FORCE_INLINE bool chromaKeyTest(voodoo_state *v, stats_block *stats, UINT32 fbzModeReg, rgb_union color)
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{
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if (FBZMODE_ENABLE_CHROMAKEY(fbzModeReg))
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{
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@ -2572,7 +2575,7 @@ do
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} \
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while (0)
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INLINE bool alphaTest(voodoo_state *v, stats_block *stats, UINT32 alphaModeReg, UINT8 alpha)
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ATTR_FORCE_INLINE bool alphaTest(voodoo_state *v, stats_block *stats, UINT32 alphaModeReg, UINT8 alpha)
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{
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if (ALPHAMODE_ALPHATEST(alphaModeReg))
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{
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@ -2801,7 +2804,7 @@ do
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} \
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while (0)
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INLINE void alphaBlend(UINT32 FBZMODE, UINT32 ALPHAMODE, INT32 x, const UINT8 *dither, int dpix, UINT16 *depth, rgb_union preFog, rgb_union &color)
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ATTR_FORCE_INLINE void alphaBlend(UINT32 FBZMODE, UINT32 ALPHAMODE, INT32 x, const UINT8 *dither, int dpix, UINT16 *depth, rgb_union preFog, rgb_union &color)
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{
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if (ALPHAMODE_ALPHABLEND(ALPHAMODE))
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{
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@ -3112,7 +3115,7 @@ do
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} \
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while (0)
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INLINE void applyFogging(voodoo_state *v, UINT32 fogModeReg, UINT32 fbzCpReg, INT32 x, const UINT8 *dither4, INT32 fogDepth, rgb_union &color, INT32 iterz, INT64 iterw, rgb_union iterargb)
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ATTR_FORCE_INLINE void applyFogging(voodoo_state *v, UINT32 fogModeReg, UINT32 fbzCpReg, INT32 x, const UINT8 *dither4, INT32 fogDepth, rgb_union &color, INT32 iterz, INT64 iterw, rgb_union iterargb)
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{
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if (FOGMODE_ENABLE_FOG(fogModeReg))
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{
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@ -3251,17 +3254,21 @@ do
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{ \
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INT32 blendr, blendg, blendb, blenda; \
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INT32 tr, tg, tb, ta; \
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INT32 oow, s, t, lod, ilod; \
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INT32 s, t, lod, ilod; \
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INT32 smax, tmax; \
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UINT32 texbase; \
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rgb_union c_local; \
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\
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\
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/* determine the S/T/LOD values for this texture */ \
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if (TEXMODE_ENABLE_PERSPECTIVE(TEXMODE)) \
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{ \
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oow = fast_reciplog((ITERW), &lod); \
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s = ((INT64)oow * (ITERS)) >> 29; \
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t = ((INT64)oow * (ITERT)) >> 29; \
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if (USE_FAST_RECIP) { \
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const INT32 oow = fast_reciplog((ITERW), &lod); \
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s = ((INT64)oow * (ITERS)) >> 29; \
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t = ((INT64)oow * (ITERT)) >> 29; \
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} else { \
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multi_reciplog(ITERS, ITERT, ITERW, lod, s, t); \
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} \
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lod += (LODBASE); \
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} \
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else \
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@ -3753,7 +3760,7 @@ do
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} \
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while (0)
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INLINE bool depthTest(UINT16 zaColorReg, stats_block *stats, INT32 destDepth, UINT32 fbzModeReg, INT32 biasdepth)
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ATTR_FORCE_INLINE bool depthTest(UINT16 zaColorReg, stats_block *stats, INT32 destDepth, UINT32 fbzModeReg, INT32 biasdepth)
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{
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/* handle depth buffer testing */
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if (FBZMODE_ENABLE_DEPTHBUF(fbzModeReg))
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@ -4178,7 +4185,7 @@ do
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} \
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while (0)
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INLINE bool combineColor(voodoo_state *VV, stats_block *STATS, UINT32 FBZCOLORPATH, UINT32 FBZMODE, UINT32 ALPHAMODE,
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ATTR_FORCE_INLINE bool combineColor(voodoo_state *VV, stats_block *STATS, UINT32 FBZCOLORPATH, UINT32 FBZMODE, UINT32 ALPHAMODE,
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rgb_union TEXELARGB, INT32 ITERZ, INT64 ITERW, rgb_union ITERARGB, rgb_union &color)
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{
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rgb_union c_other;
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@ -4621,7 +4628,39 @@ static void raster_##name(void *destbase, INT32 y, const poly_extent *extent, co
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} \
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}
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INLINE UINT32 genTexture(tmu_state *TT, INT32 x, const UINT8 *dither4, const UINT32 TEXMODE, rgb_t *LOOKUP, INT32 LODBASE, INT64 ITERS, INT64 ITERT, INT64 ITERW, INT32 &lod)
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// ******************************************************************************************************************************
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// Computes a log2 of a 16.32 value to 2 fractional bits of precision.
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// The return value is coded as a 24.8 value.
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// The maximum error using a 4 bit lookup from the mantissa is 0.0875, which is less than 1/2 lsb (0.125) for 2 bits of fraction.
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// ******************************************************************************************************************************
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ATTR_FORCE_INLINE INT32 new_log2(double &value)
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{
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static const INT32 new_log2_table[16] = {0, 22, 44, 63, 82, 100, 118, 134, 150, 165, 179, 193, 207, 220, 232, 244};
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UINT64 ival = *((UINT64 *)&value);
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// We zero the result if negative so don't worry about the sign bit
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INT32 exp = (ival>>52);
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exp -= 1023+32;
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exp <<= 8;
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UINT32 addr = (UINT64)(ival>>48) & 0xf;
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exp += new_log2_table[addr];
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// Return 0 if negative
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return (ival & ((UINT64)1<<63)) ? 0 : exp;
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}
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// Computes A/C and B/C and returns log2 of 1/C
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// A, B and C are 16.32 values. The results are 14.18.
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ATTR_FORCE_INLINE void multi_reciplog(INT64 valueA, INT64 valueB, INT64 valueC, INT32 &log, INT32 &resA, INT32 &resB)
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{
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double recip = 1.0f/valueC;
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double resAD = valueA * recip * ((INT64)1<<(47-29));
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double resBD = valueB * recip * ((INT64)1<<(47-29));
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log = new_log2(recip);
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resA = resAD;
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resB = resBD;
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}
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ATTR_FORCE_INLINE UINT32 genTexture(tmu_state *TT, INT32 x, const UINT8 *dither4, const UINT32 TEXMODE, rgb_t *LOOKUP, INT32 LODBASE, INT64 ITERS, INT64 ITERT, INT64 ITERW, INT32 &lod)
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{
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UINT32 result;
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INT32 s, t, ilod;
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@ -4631,10 +4670,14 @@ INLINE UINT32 genTexture(tmu_state *TT, INT32 x, const UINT8 *dither4, const UIN
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if (TEXMODE_ENABLE_PERSPECTIVE(TEXMODE))
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{
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INT32 wLog;
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const INT32 oow = fast_reciplog((ITERW), &wLog);
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if (USE_FAST_RECIP) {
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const INT32 oow = fast_reciplog((ITERW), &wLog);
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s = ((INT64)oow * (ITERS)) >> 29;
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t = ((INT64)oow * (ITERT)) >> 29;
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} else {
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multi_reciplog(ITERS, ITERT, ITERW, wLog, s, t);
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}
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lod += wLog;
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s = ((INT64)oow * (ITERS)) >> 29;
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t = ((INT64)oow * (ITERT)) >> 29;
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}
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else
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{
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@ -4808,7 +4851,7 @@ INLINE UINT32 genTexture(tmu_state *TT, INT32 x, const UINT8 *dither4, const UIN
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return result;
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}
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INLINE UINT32 combineTexture(tmu_state *TT, const UINT32 TEXMODE, rgb_union c_local, rgb_union c_other, INT32 lod)
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ATTR_FORCE_INLINE UINT32 combineTexture(tmu_state *TT, const UINT32 TEXMODE, rgb_union c_local, rgb_union c_other, INT32 lod)
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{
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UINT32 result;
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//INT32 blendr, blendg, blendb, blenda;
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