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DOSBox-X
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DOSBox-X
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00001 /***************************************************************************/ 00002 /* Portion of this software comes with the following license: */ 00003 /***************************************************************************/ 00004 /* 00005 00006 Copyright Aaron Giles 00007 All rights reserved. 00008 00009 Redistribution and use in source and binary forms, with or without 00010 modification, are permitted provided that the following conditions are 00011 met: 00012 00013 * Redistributions of source code must retain the above copyright 00014 notice, this list of conditions and the following disclaimer. 00015 * Redistributions in binary form must reproduce the above copyright 00016 notice, this list of conditions and the following disclaimer in 00017 the documentation and/or other materials provided with the 00018 distribution. 00019 * Neither the name 'MAME' nor the names of its contributors may be 00020 used to endorse or promote products derived from this software 00021 without specific prior written permission. 00022 00023 THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR 00024 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00025 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00026 DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT, 00027 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00028 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00029 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00030 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 00031 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00032 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00033 POSSIBILITY OF SUCH DAMAGE. 00034 00035 ***************************************************************************/ 00036 00037 00038 #ifndef DOSBOX_VOODOO_TYPES_H 00039 #define DOSBOX_VOODOO_TYPES_H 00040 00041 #include "cross.h" 00042 00043 /*************************************************************************** 00044 TYPE DEFINITIONS 00045 ***************************************************************************/ 00046 00047 00048 /* 8-bit values */ 00049 typedef Bit8u UINT8; 00050 typedef Bit8s INT8; 00051 00052 /* 16-bit values */ 00053 typedef Bit16u UINT16; 00054 typedef Bit16s INT16; 00055 00056 /* 32-bit values */ 00057 #ifndef _WINDOWS_ 00058 typedef Bit32u UINT32; 00059 typedef Bit32s INT32; 00060 #endif 00061 00062 /* 64-bit values */ 00063 #ifndef _WINDOWS_ 00064 typedef Bit64u UINT64; 00065 typedef Bit64s INT64; 00066 #endif 00067 00068 /* core components of the attotime structure */ 00069 typedef INT64 attoseconds_t; 00070 typedef INT32 seconds_t; 00071 00072 00073 /* the attotime structure itself */ 00074 typedef struct _attotime attotime; 00075 struct _attotime 00076 { 00077 seconds_t seconds; 00078 attoseconds_t attoseconds; 00079 }; 00080 00081 #define ATTOSECONDS_PER_SECOND_SQRT ((attoseconds_t)1000000000) 00082 #define ATTOSECONDS_PER_SECOND (ATTOSECONDS_PER_SECOND_SQRT * ATTOSECONDS_PER_SECOND_SQRT) 00083 00084 /* convert between hertz (as a double) and attoseconds */ 00085 #define ATTOSECONDS_TO_HZ(x) ((double)ATTOSECONDS_PER_SECOND / (double)(x)) 00086 #define HZ_TO_ATTOSECONDS(x) ((attoseconds_t)(ATTOSECONDS_PER_SECOND / (x))) 00087 00088 00089 /* poly_param_extent describes information for a single parameter in an extent */ 00090 typedef struct _poly_param_extent poly_param_extent; 00091 struct _poly_param_extent 00092 { 00093 float start; /* parameter value at starting X,Y */ 00094 float dpdx; /* dp/dx relative to starting X */ 00095 }; 00096 00097 00098 #define MAX_VERTEX_PARAMS 6 00099 00100 /* poly_extent describes start/end points for a scanline, along with per-scanline parameters */ 00101 typedef struct _poly_extent poly_extent; 00102 struct _poly_extent 00103 { 00104 INT32 startx; /* starting X coordinate (inclusive) */ 00105 INT32 stopx; /* ending X coordinate (exclusive) */ 00106 poly_param_extent param[MAX_VERTEX_PARAMS]; /* starting and dx values for each parameter */ 00107 }; 00108 00109 00110 /* an rgb_t is a single combined R,G,B (and optionally alpha) value */ 00111 typedef UINT32 rgb_t; 00112 00113 /* an rgb15_t is a single combined 15-bit R,G,B value */ 00114 typedef UINT16 rgb15_t; 00115 00116 /* macros to assemble rgb_t values */ 00117 #define MAKE_ARGB(a,r,g,b) ((((rgb_t)(a) & 0xff) << 24) | (((rgb_t)(r) & 0xff) << 16) | (((rgb_t)(g) & 0xff) << 8) | ((rgb_t)(b) & 0xff)) 00118 #define MAKE_RGB(r,g,b) (MAKE_ARGB(255,r,g,b)) 00119 00120 /* macros to extract components from rgb_t values */ 00121 #define RGB_ALPHA(rgb) (((rgb) >> 24) & 0xff) 00122 #define RGB_RED(rgb) (((rgb) >> 16) & 0xff) 00123 #define RGB_GREEN(rgb) (((rgb) >> 8) & 0xff) 00124 #define RGB_BLUE(rgb) ((rgb) & 0xff) 00125 00126 /* common colors */ 00127 #define RGB_BLACK (MAKE_ARGB(255,0,0,0)) 00128 #define RGB_WHITE (MAKE_ARGB(255,255,255,255)) 00129 00130 /*************************************************************************** 00131 INLINE FUNCTIONS 00132 ***************************************************************************/ 00133 00134 /*------------------------------------------------- 00135 rgb_to_rgb15 - convert an RGB triplet to 00136 a 15-bit OSD-specified RGB value 00137 -------------------------------------------------*/ 00138 00139 INLINE rgb15_t rgb_to_rgb15(rgb_t rgb) 00140 { 00141 return ((RGB_RED(rgb) >> 3) << 10) | ((RGB_GREEN(rgb) >> 3) << 5) | ((RGB_BLUE(rgb) >> 3) << 0); 00142 } 00143 00144 00145 /*------------------------------------------------- 00146 rgb_clamp - clamp an RGB component to 0-255 00147 -------------------------------------------------*/ 00148 00149 INLINE UINT8 rgb_clamp(INT32 value) 00150 { 00151 if (value < 0) 00152 return 0; 00153 if (value > 255) 00154 return 255; 00155 return (UINT8)value; 00156 } 00157 00158 00159 /*------------------------------------------------- 00160 pal1bit - convert a 1-bit value to 8 bits 00161 -------------------------------------------------*/ 00162 00163 INLINE UINT8 pal1bit(UINT8 bits) 00164 { 00165 return (bits & 1) ? 0xff : 0x00; 00166 } 00167 00168 00169 /*------------------------------------------------- 00170 pal2bit - convert a 2-bit value to 8 bits 00171 -------------------------------------------------*/ 00172 00173 INLINE UINT8 pal2bit(UINT8 bits) 00174 { 00175 bits &= 3; 00176 return (bits << 6) | (bits << 4) | (bits << 2) | bits; 00177 } 00178 00179 00180 /*------------------------------------------------- 00181 pal3bit - convert a 3-bit value to 8 bits 00182 -------------------------------------------------*/ 00183 00184 INLINE UINT8 pal3bit(UINT8 bits) 00185 { 00186 bits &= 7; 00187 return (bits << 5) | (bits << 2) | (bits >> 1); 00188 } 00189 00190 00191 /*------------------------------------------------- 00192 pal4bit - convert a 4-bit value to 8 bits 00193 -------------------------------------------------*/ 00194 00195 INLINE UINT8 pal4bit(UINT8 bits) 00196 { 00197 bits &= 0xf; 00198 return (bits << 4) | bits; 00199 } 00200 00201 00202 /*------------------------------------------------- 00203 pal5bit - convert a 5-bit value to 8 bits 00204 -------------------------------------------------*/ 00205 00206 INLINE UINT8 pal5bit(UINT8 bits) 00207 { 00208 bits &= 0x1f; 00209 return (bits << 3) | (bits >> 2); 00210 } 00211 00212 00213 /*------------------------------------------------- 00214 pal6bit - convert a 6-bit value to 8 bits 00215 -------------------------------------------------*/ 00216 00217 INLINE UINT8 pal6bit(UINT8 bits) 00218 { 00219 bits &= 0x3f; 00220 return (bits << 2) | (bits >> 4); 00221 } 00222 00223 00224 /*------------------------------------------------- 00225 pal7bit - convert a 7-bit value to 8 bits 00226 -------------------------------------------------*/ 00227 00228 INLINE UINT8 pal7bit(UINT8 bits) 00229 { 00230 bits &= 0x7f; 00231 return (bits << 1) | (bits >> 6); 00232 } 00233 00234 00235 /* rectangles describe a bitmap portion */ 00236 typedef struct _rectangle rectangle; 00237 struct _rectangle 00238 { 00239 int min_x; /* minimum X, or left coordinate */ 00240 int max_x; /* maximum X, or right coordinate (inclusive) */ 00241 int min_y; /* minimum Y, or top coordinate */ 00242 int max_y; /* maximum Y, or bottom coordinate (inclusive) */ 00243 }; 00244 00245 /* Standard MIN/MAX macros */ 00246 #ifndef MIN 00247 #define MIN(x,y) ((x) < (y) ? (x) : (y)) 00248 #endif 00249 #ifndef MAX 00250 #define MAX(x,y) ((x) > (y) ? (x) : (y)) 00251 #endif 00252 00253 00254 inline float u2f(UINT32 v) 00255 { 00256 union { 00257 float ff; 00258 UINT32 vv; 00259 } u; 00260 u.vv = v; 00261 return u.ff; 00262 } 00263 00264 00265 /* Macros for normalizing data into big or little endian formats */ 00266 #define FLIPENDIAN_INT16(x) (((((UINT16) (x)) >> 8) | ((x) << 8)) & 0xffff) 00267 #define FLIPENDIAN_INT32(x) ((((UINT32) (x)) << 24) | (((UINT32) (x)) >> 24) | \ 00268 (( ((UINT32) (x)) & 0x0000ff00) << 8) | (( ((UINT32) (x)) & 0x00ff0000) >> 8)) 00269 #define FLIPENDIAN_INT64(x) \ 00270 ( \ 00271 (((((UINT64) (x)) >> 56) & ((UINT64) 0xFF)) << 0) | \ 00272 (((((UINT64) (x)) >> 48) & ((UINT64) 0xFF)) << 8) | \ 00273 (((((UINT64) (x)) >> 40) & ((UINT64) 0xFF)) << 16) | \ 00274 (((((UINT64) (x)) >> 32) & ((UINT64) 0xFF)) << 24) | \ 00275 (((((UINT64) (x)) >> 24) & ((UINT64) 0xFF)) << 32) | \ 00276 (((((UINT64) (x)) >> 16) & ((UINT64) 0xFF)) << 40) | \ 00277 (((((UINT64) (x)) >> 8) & ((UINT64) 0xFF)) << 48) | \ 00278 (((((UINT64) (x)) >> 0) & ((UINT64) 0xFF)) << 56) \ 00279 ) 00280 00281 #define ACCESSING_BITS_0_15 ((mem_mask & 0x0000ffff) != 0) 00282 #define ACCESSING_BITS_16_31 ((mem_mask & 0xffff0000) != 0) 00283 00284 // constants for expression endianness 00285 enum endianness_t 00286 { 00287 ENDIANNESS_LITTLE, 00288 ENDIANNESS_BIG 00289 }; 00290 const endianness_t ENDIANNESS_NATIVE = ENDIANNESS_LITTLE; 00291 #define ENDIAN_VALUE_LE_BE(endian,leval,beval) (((endian) == ENDIANNESS_LITTLE) ? (leval) : (beval)) 00292 #define NATIVE_ENDIAN_VALUE_LE_BE(leval,beval) ENDIAN_VALUE_LE_BE(ENDIANNESS_NATIVE, leval, beval) 00293 #define BYTE4_XOR_LE(a) ((a) ^ NATIVE_ENDIAN_VALUE_LE_BE(0,3)) 00294 00295 #define BYTE_XOR_LE(a) ((a) ^ NATIVE_ENDIAN_VALUE_LE_BE(0,1)) 00296 00297 #define profiler_mark_start(x) do { } while (0) 00298 #define profiler_mark_end() do { } while (0) 00299 00300 00301 /* Highly useful macro for compile-time knowledge of an array size */ 00302 #define ARRAY_LENGTH(x) (sizeof(x) / sizeof(x[0])) 00303 00304 INLINE INT32 mul_32x32_shift(INT32 a, INT32 b, INT8 shift) 00305 { 00306 INT32 result; 00307 00308 #if defined(_MSC_VER) && defined(_M_IX86) 00309 __asm 00310 { 00311 mov eax,a 00312 imul b 00313 mov cl,shift 00314 shrd eax,edx,cl 00315 mov result,eax 00316 } 00317 #else 00318 INT64 tmp = (INT64)a * (INT64)b; 00319 tmp >>= shift; 00320 result = (INT32)tmp; 00321 #endif 00322 00323 return result; 00324 } 00325 00326 00327 typedef void (*poly_draw_scanline_func)(void *dest, INT32 scanline, const poly_extent *extent, const void *extradata); 00328 00329 INLINE rgb_t rgba_bilinear_filter(rgb_t rgb00, rgb_t rgb01, rgb_t rgb10, rgb_t rgb11, UINT8 u, UINT8 v) 00330 { 00331 UINT32 ag0, ag1, rb0, rb1; 00332 00333 rb0 = (rgb00 & 0x00ff00ff) + ((((rgb01 & 0x00ff00ff) - (rgb00 & 0x00ff00ff)) * u) >> 8); 00334 rb1 = (rgb10 & 0x00ff00ff) + ((((rgb11 & 0x00ff00ff) - (rgb10 & 0x00ff00ff)) * u) >> 8); 00335 rgb00 >>= 8; 00336 rgb01 >>= 8; 00337 rgb10 >>= 8; 00338 rgb11 >>= 8; 00339 ag0 = (rgb00 & 0x00ff00ff) + ((((rgb01 & 0x00ff00ff) - (rgb00 & 0x00ff00ff)) * u) >> 8); 00340 ag1 = (rgb10 & 0x00ff00ff) + ((((rgb11 & 0x00ff00ff) - (rgb10 & 0x00ff00ff)) * u) >> 8); 00341 00342 rb0 = (rb0 & 0x00ff00ff) + ((((rb1 & 0x00ff00ff) - (rb0 & 0x00ff00ff)) * v) >> 8); 00343 ag0 = (ag0 & 0x00ff00ff) + ((((ag1 & 0x00ff00ff) - (ag0 & 0x00ff00ff)) * v) >> 8); 00344 00345 return ((ag0 << 8) & 0xff00ff00) | (rb0 & 0x00ff00ff); 00346 } 00347 00348 typedef struct _poly_vertex poly_vertex; 00349 struct _poly_vertex 00350 { 00351 float x; /* X coordinate */ 00352 float y; /* Y coordinate */ 00353 float p[MAX_VERTEX_PARAMS]; /* interpolated parameter values */ 00354 }; 00355 00356 00357 typedef struct _tri_extent tri_extent; 00358 struct _tri_extent 00359 { 00360 INT16 startx; /* starting X coordinate (inclusive) */ 00361 INT16 stopx; /* ending X coordinate (exclusive) */ 00362 }; 00363 00364 /* tri_work_unit is a triangle-specific work-unit */ 00365 typedef struct _tri_work_unit tri_work_unit; 00366 struct _tri_work_unit 00367 { 00368 tri_extent extent[8]; /* array of scanline extents */ 00369 }; 00370 00371 #endif
1.8.0
