Mercurial > hg > dmlib
annotate dmblitfunc.h @ 81:ba1987562a73
Fix 8to8 saturated scaled blit function.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Tue, 02 Oct 2012 09:44:18 +0300 |
| parents | 49cc9a173427 |
| children | c257d73cf790 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * DMLib | |
| 3 * -- Sprite / surface blitting functions | |
| 4 * Programmed and designed by Matti 'ccr' Hamalainen | |
| 5 * (C) Copyright 2011-2012 Tecnic Software productions (TNSP) | |
| 6 */ | |
| 7 | |
| 8 // ======================================================================= | |
| 9 // DMD_NONE | |
| 10 // ======================================================================= | |
| 11 | |
| 12 #define DM_SCALED_NAME dmScaledBlitSurface8to8 | |
| 13 #define DM_SCALED_SRC_BYTES 1 | |
| 14 #define DM_SCALED_DST_BYTES 1 | |
| 15 #define DM_SCALED_SRC_TYPE Uint8 | |
| 16 #define DM_SCALED_DST_TYPE Uint8 | |
| 17 | |
| 18 #define DM_SCALED_INNER *dp++ = sp[FP_GETH(xv)]; | |
| 19 | |
| 20 #include "dmscaledblit.h" | |
| 21 | |
| 22 // ----------------------------------------------------------------------- | |
| 23 | |
| 24 #define DM_SCALED_NAME dmScaledBlitSurface8to32 | |
| 25 #define DM_SCALED_SRC_BYTES 1 | |
| 26 #define DM_SCALED_DST_BYTES 4 | |
| 27 #define DM_SCALED_SRC_TYPE Uint8 | |
| 28 #define DM_SCALED_DST_TYPE Uint32 | |
| 29 | |
| 30 #define DM_SCALED_VARS const Uint32 *pal; | |
| 31 #define DM_SCALED_INIT \ | |
| 32 if (src->format->palette == NULL || src->format->palette->ncolors < 256) return -2; \ | |
| 33 pal = (Uint32 *) src->format->palette->colors; | |
| 34 | |
| 35 #define DM_SCALED_INNER *dp++ = pal[sp[FP_GETH(xv)]]; | |
| 36 | |
| 37 #include "dmscaledblit.h" | |
| 38 | |
| 39 // ----------------------------------------------------------------------- | |
| 40 | |
| 41 #define DM_SCALED_NAME dmScaledBlitSurface32to32 | |
| 42 #define DM_SCALED_SRC_BYTES 4 | |
| 43 #define DM_SCALED_DST_BYTES 4 | |
| 44 #define DM_SCALED_SRC_TYPE Uint32 | |
| 45 #define DM_SCALED_DST_TYPE Uint32 | |
| 46 #define DM_SCALED_INIT | |
| 47 #define DM_SCALED_INNER *dp++ = sp[FP_GETH(xv)]; | |
| 48 | |
| 49 #include "dmscaledblit.h" | |
| 50 | |
| 51 | |
| 52 // ======================================================================= | |
| 53 // DMD_TRANSPARENT | |
| 54 // ======================================================================= | |
| 55 | |
| 56 #define DM_SCALED_NAME dmScaledBlitSurface8to8Transparent | |
| 57 #define DM_SCALED_SRC_BYTES 1 | |
| 58 #define DM_SCALED_DST_BYTES 1 | |
| 59 #define DM_SCALED_SRC_TYPE Uint8 | |
| 60 #define DM_SCALED_DST_TYPE Uint8 | |
| 61 | |
| 62 #define DM_SCALED_INNER \ | |
| 63 *dp = sp[FP_GETH(xv)] ? sp[FP_GETH(xv)] : *dp; dp++; | |
| 64 | |
| 65 #include "dmscaledblit.h" | |
| 66 | |
| 67 // ----------------------------------------------------------------------- | |
| 68 | |
| 69 #define DM_SCALED_NAME dmScaledBlitSurface8to32Transparent | |
| 70 #define DM_SCALED_SRC_BYTES 1 | |
| 71 #define DM_SCALED_DST_BYTES 4 | |
| 72 #define DM_SCALED_SRC_TYPE Uint8 | |
| 73 #define DM_SCALED_DST_TYPE DMRGBA32 | |
| 74 #define DM_SCALED_VARS const DMRGBA32 *pal; | |
| 75 #define DM_SCALED_INIT \ | |
| 76 if (src->format->palette == NULL || src->format->palette->ncolors < 256) return -2; \ | |
| 77 pal = (DMRGBA32 *) src->format->palette->colors; | |
| 78 | |
| 79 #define DM_SCALED_INNER \ | |
| 80 const DMRGBA32 q = pal[sp[FP_GETH(xv)]]; \ | |
| 81 dp->r += ((q.r - dp->r) * q.a) >> 8; \ | |
| 82 dp->g += ((q.g - dp->g) * q.a) >> 8; \ | |
| 83 dp->b += ((q.b - dp->b) * q.a) >> 8; \ | |
| 84 dp->a = q.a; \ | |
| 85 dp++; | |
| 86 | |
| 87 #include "dmscaledblit.h" | |
| 88 | |
| 89 | |
| 90 // ----------------------------------------------------------------------- | |
| 91 | |
| 92 #define DM_SCALED_NAME dmScaledBlitSurface32to32Transparent | |
| 93 #define DM_SCALED_SRC_BYTES 4 | |
| 94 #define DM_SCALED_DST_BYTES 4 | |
| 95 | |
| 96 #ifdef DM_USE_SIMD | |
| 21 | 97 #define DM_SCALED_VARS \ |
| 98 const Uint32 qpdmask = 0xff000000; \ | |
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99 const Uint64 qpdrm = 0xff00ff00ff00ffULL; |
| 0 | 100 |
| 101 #define DM_SCALED_SRC_TYPE Uint32 | |
| 102 #define DM_SCALED_DST_TYPE Uint32 | |
| 103 #define DM_SCALED_INNER \ | |
| 104 asm( \ | |
| 105 "movd %2, %%mm1\n" \ | |
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106 \ |
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107 "movd %3, %%mm2\n" \ |
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108 "movq %%mm1, %%mm5\n" \ |
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109 "pand %%mm2, %%mm5\n" \ |
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110 "psrlw $8, %%mm5\n" \ |
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111 "punpcklwd %%mm5, %%mm5\n" \ |
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112 "punpckhwd %%mm5, %%mm5\n" \ |
| 0 | 113 \ |
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114 "pxor %%mm2, %%mm2\n" \ |
| 0 | 115 "movd %1, %%mm3\n" \ |
| 116 "punpcklbw %%mm2, %%mm1\n" \ | |
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117 "punpcklbw %%mm2, %%mm3\n" \ |
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118 \ |
| 0 | 119 "psubw %%mm3, %%mm1\n" \ |
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120 "pmullw %%mm5, %%mm1\n" \ |
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121 "psraw $8, %%mm1\n" \ |
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122 "paddw %%mm3, %%mm1\n" \ |
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123 "pand %4, %%mm1\n" \ |
| 0 | 124 "packuswb %%mm2, %%mm1\n" \ |
| 125 "movd %%mm1, %0\n" \ | |
| 126 : "=m" (*dp) \ | |
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127 : "m" (*dp), "m" (sp[FP_GETH(xv)]), "m" (qpdmask), "m" (qpdrm) \ |
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128 : "memory", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5" ); dp++; |
| 0 | 129 |
| 130 #define DM_SCALED_FINISH asm("emms\n"); | |
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131 |
| 0 | 132 #else |
| 21 | 133 |
| 0 | 134 #define DM_SCALED_SRC_TYPE DMRGBA32 |
| 135 #define DM_SCALED_DST_TYPE DMRGBA32 | |
| 136 #define DM_SCALED_INNER \ | |
| 137 const DMRGBA32 q = sp[FP_GETH(xv)]; \ | |
| 138 dp->r += ((q.r - dp->r) * q.a) >> 8; \ | |
| 139 dp->g += ((q.g - dp->g) * q.a) >> 8; \ | |
| 140 dp->b += ((q.b - dp->b) * q.a) >> 8; \ | |
| 141 dp->a = q.a; \ | |
| 142 dp++; | |
| 143 #endif | |
| 144 | |
| 145 #include "dmscaledblit.h" | |
| 146 | |
| 147 // ----------------------------------------------------------------------- | |
| 148 | |
| 149 #define DM_SCALED_NAME dmScaledBlitSurface32to32TransparentX | |
| 150 #define DM_SCALED_SRC_BYTES 4 | |
| 151 #define DM_SCALED_DST_BYTES 4 | |
| 152 #define DM_SCALED_SRC_TYPE DMRGBA32 | |
| 153 #define DM_SCALED_DST_TYPE DMRGBA32 | |
| 154 #define DM_SCALED_INIT | |
| 155 | |
| 156 #define DM_SCALED_INNER \ | |
| 157 const DMRGBA32 q = sp[FP_GETH(xv)]; \ | |
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158 dp->r = (q.r * q.a + dp->r * dp->a) >> 8; \ |
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159 dp->g = (q.g * q.a + dp->g * dp->a) >> 8; \ |
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160 dp->b = (q.b * q.a + dp->b * dp->a) >> 8; \ |
| 0 | 161 dp->a = q.a ? q.a : dp->a; \ |
| 162 dp++; | |
| 163 | |
| 164 #include "dmscaledblit.h" | |
| 165 | |
| 166 | |
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167 // ----------------------------------------------------------------------- |
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168 |
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169 #define DM_SCALED_NAME dmScaledBlitSurface32to32TransparentGA |
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170 #define DM_SCALED_SRC_BYTES 4 |
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171 #define DM_SCALED_DST_BYTES 4 |
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172 #define DM_SCALED_ARGS , Uint32 alpha |
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173 |
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174 #ifdef DM_USE_SIMD |
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175 #define DM_SCALED_VARS \ |
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176 const Uint64 qpdrm = 0xff00ff00ff00ffULL; |
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177 |
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178 #define DM_SCALED_SRC_TYPE Uint32 |
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179 #define DM_SCALED_DST_TYPE Uint32 |
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180 #define DM_SCALED_INNER_INIT \ |
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181 asm( \ |
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182 "movd %0, %%mm4\n" \ |
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183 "punpcklwd %%mm4, %%mm4\n" \ |
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184 "punpckldq %%mm4, %%mm4\n" \ |
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185 : \ |
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186 : "m" (alpha) \ |
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187 : "%mm4" ); |
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188 |
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189 #define DM_SCALED_INNER \ |
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190 asm( \ |
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191 "movd %2, %%mm1\n" \ |
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192 "pxor %%mm2, %%mm2\n" \ |
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193 "movd %1, %%mm3\n" \ |
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194 "punpcklbw %%mm2, %%mm1\n" \ |
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195 "punpcklbw %%mm2, %%mm3\n" \ |
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196 \ |
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197 "psubw %%mm3, %%mm1\n" \ |
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198 "pmullw %%mm4, %%mm1\n" \ |
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199 "psraw $8, %%mm1\n" \ |
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200 "paddw %%mm3, %%mm1\n" \ |
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201 "pand %3, %%mm1\n" \ |
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202 "packuswb %%mm2, %%mm1\n" \ |
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203 "movd %%mm1, %0\n" \ |
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204 : "=m" (*dp) \ |
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205 : "m" (*dp), "m" (sp[FP_GETH(xv)]), "m" (qpdrm) \ |
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206 : "memory", "%mm1", "%mm2", "%mm3", "%mm4" ); dp++; |
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207 |
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208 #define DM_SCALED_FINISH asm("emms\n"); |
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209 |
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210 #else |
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211 |
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212 #define DM_SCALED_SRC_TYPE DMRGBA32 |
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213 #define DM_SCALED_DST_TYPE DMRGBA32 |
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214 #define DM_SCALED_INNER \ |
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215 const DMRGBA32 q = sp[FP_GETH(xv)]; \ |
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216 dp->r += ((q.r - dp->r) * alpha) >> 8; \ |
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217 dp->g += ((q.g - dp->g) * alpha) >> 8; \ |
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218 dp->b += ((q.b - dp->b) * alpha) >> 8; \ |
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219 dp->a = alpha; \ |
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220 dp++; |
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221 #endif |
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222 |
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223 #include "dmscaledblit.h" |
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224 |
| 0 | 225 // ======================================================================= |
| 226 // DMD_SATURATE | |
| 227 // ======================================================================= | |
| 228 | |
| 229 #define DM_SCALED_NAME dmScaledBlitSurface8to8Saturate | |
| 230 #define DM_SCALED_SRC_BYTES 1 | |
| 231 #define DM_SCALED_DST_BYTES 1 | |
| 232 #define DM_SCALED_SRC_TYPE Uint8 | |
| 233 #define DM_SCALED_DST_TYPE Uint8 | |
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234 #define DM_SCALED_INNER \ |
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235 const Uint8 q = sp[FP_GETH(xv)] + *dp; \ |
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236 *(dp++) = q < 256 ? q : 255; |
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237 |
| 0 | 238 #include "dmscaledblit.h" |
| 239 | |
| 240 // ----------------------------------------------------------------------- | |
| 241 | |
| 242 #define DM_SCALED_NAME dmScaledBlitSurface8to32Saturate | |
| 243 #define DM_SCALED_SRC_BYTES 1 | |
| 244 #define DM_SCALED_DST_BYTES 4 | |
| 245 #define DM_SCALED_SRC_TYPE Uint8 | |
| 246 #define DM_SCALED_DST_TYPE DMRGBA32 | |
| 247 #define DM_SCALED_VARS const DMRGBA32 *pal; | |
| 248 #define DM_SCALED_INIT \ | |
| 249 if (src->format->palette == NULL || src->format->palette->ncolors < 256) return -2; \ | |
| 250 pal = (DMRGBA32 *) src->format->palette->colors; | |
| 251 | |
| 252 #ifdef DM_USE_SIMD | |
| 253 #define DM_SCALED_INNER \ | |
| 254 asm("movd %2, %%mm1\n" \ | |
| 255 "movd %1, %%mm2\n" \ | |
| 256 "paddusb %%mm2, %%mm1\n" \ | |
| 257 "movd %%mm1, %0\n" \ | |
| 258 : "=m" (*dp) \ | |
| 259 : "m" (*dp), "m" (pal[sp[FP_GETH(xv)]]) \ | |
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260 : "memory", "%mm1", "%mm2" ); dp++; |
| 0 | 261 |
| 262 #define DM_SCALED_FINISH asm("emms\n"); | |
| 263 #else | |
| 264 #define DM_SCALED_INNER \ | |
| 265 const DMRGBA32 q = pal[sp[FP_GETH(xv)]]; \ | |
| 266 const int qr = dp->r + q.r, qg = dp->g + q.g, qb = dp->b + q.b; \ | |
| 267 dp->r = qr < 256 ? qr : 255; \ | |
| 268 dp->g = qg < 256 ? qg : 255; \ | |
| 269 dp->b = qb < 256 ? qb : 255; \ | |
| 270 dp->a = q.a; \ | |
| 271 dp++; | |
| 272 #endif | |
| 273 | |
| 274 #include "dmscaledblit.h" | |
| 275 | |
| 276 // ----------------------------------------------------------------------- | |
| 277 | |
| 278 #define DM_SCALED_NAME dmScaledBlitSurface32to32Saturate | |
| 279 #define DM_SCALED_SRC_BYTES 4 | |
| 280 #define DM_SCALED_DST_BYTES 4 | |
| 281 #define DM_SCALED_INIT | |
| 282 | |
| 283 #ifdef DM_USE_SIMD | |
| 284 #define DM_SCALED_SRC_TYPE Uint32 | |
| 285 #define DM_SCALED_DST_TYPE Uint32 | |
| 286 #define DM_SCALED_INNER \ | |
| 287 asm("movd %2, %%mm1\n" \ | |
| 288 "movd %1, %%mm2\n" \ | |
| 289 "paddusb %%mm2, %%mm1\n" \ | |
| 290 "movd %%mm1, %0\n" \ | |
| 291 : "=m" (*dp) \ | |
| 292 : "m" (*dp), "m" (sp[FP_GETH(xv)]) \ | |
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293 : "memory", "%mm1", "%mm2" ); dp++; |
| 0 | 294 |
| 295 #define DM_SCALED_FINISH asm("emms\n"); | |
| 296 #else | |
| 297 #define DM_SCALED_SRC_TYPE DMRGBA32 | |
| 298 #define DM_SCALED_DST_TYPE DMRGBA32 | |
| 299 #define DM_SCALED_INNER \ | |
| 300 const DMRGBA32 q = sp[FP_GETH(xv)]; \ | |
| 301 const int qr = dp->r + q.r, qg = dp->g + q.g, qb = dp->b + q.b; \ | |
| 302 dp->r = qr < 256 ? qr : 255; \ | |
| 303 dp->g = qg < 256 ? qg : 255; \ | |
| 304 dp->b = qb < 256 ? qb : 255; \ | |
| 305 dp->a = q.a; \ | |
| 306 dp++; | |
| 307 #endif | |
| 308 | |
| 309 #include "dmscaledblit.h" | |
| 310 | |
| 311 | |
| 312 // ======================================================================= | |
| 313 // ======================================================================= |