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00012 #include "../stdafx.h"
00013 #include "../zoom_func.h"
00014 #include "../core/math_func.hpp"
00015 #include "32bpp_optimized.hpp"
00016
00017 static FBlitter_32bppOptimized iFBlitter_32bppOptimized;
00018
00026 template <BlitterMode mode>
00027 inline void Blitter_32bppOptimized::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
00028 {
00029 const SpriteData *src = (const SpriteData *)bp->sprite;
00030
00031
00032
00033 const Colour *src_px = (const Colour *)(src->data + src->offset[zoom][0]);
00034
00035
00036
00037 const uint8 *src_n = (const uint8 *)(src->data + src->offset[zoom][1]);
00038
00039
00040 for (uint i = bp->skip_top; i != 0; i--) {
00041 src_px = (const Colour *)((const byte *)src_px + *(const uint32 *)src_px);
00042 src_n += *(uint32 *)src_n;
00043 }
00044
00045
00046 uint32 *dst = (uint32 *)bp->dst + bp->top * bp->pitch + bp->left;
00047
00048
00049 const byte *remap = bp->remap;
00050
00051 for (int y = 0; y < bp->height; y++) {
00052
00053 uint32 *dst_ln = dst + bp->pitch;
00054
00055
00056 const Colour *src_px_ln = (const Colour *)((const byte *)src_px + *(const uint32 *)src_px);
00057 src_px++;
00058
00059
00060 const uint8 *src_n_ln = src_n + *(uint32 *)src_n;
00061 src_n += 4;
00062
00063
00064 uint32 *dst_end = dst + bp->skip_left;
00065
00066
00067 uint n;
00068
00069 while (dst < dst_end) {
00070 n = *src_n++;
00071
00072 if (src_px->a == 0) {
00073 dst += n;
00074 src_px ++;
00075 src_n++;
00076 } else {
00077 if (dst + n > dst_end) {
00078 uint d = dst_end - dst;
00079 src_px += d;
00080 src_n += d;
00081
00082 dst = dst_end - bp->skip_left;
00083 dst_end = dst + bp->width;
00084
00085 n = min<uint>(n - d, (uint)bp->width);
00086 goto draw;
00087 }
00088 dst += n;
00089 src_px += n;
00090 src_n += n;
00091 }
00092 }
00093
00094 dst -= bp->skip_left;
00095 dst_end -= bp->skip_left;
00096
00097 dst_end += bp->width;
00098
00099 while (dst < dst_end) {
00100 n = min<uint>(*src_n++, (uint)(dst_end - dst));
00101
00102 if (src_px->a == 0) {
00103 dst += n;
00104 src_px++;
00105 src_n++;
00106 continue;
00107 }
00108
00109 draw:;
00110
00111 switch (mode) {
00112 case BM_COLOUR_REMAP:
00113 if (src_px->a == 255) {
00114 do {
00115 uint m = *src_n;
00116
00117 if (m == 0) {
00118 *dst = src_px->data;
00119 } else {
00120 uint r = remap[m];
00121 if (r != 0) *dst = this->LookupColourInPalette(r);
00122 }
00123 dst++;
00124 src_px++;
00125 src_n++;
00126 } while (--n != 0);
00127 } else {
00128 do {
00129 uint m = *src_n;
00130 if (m == 0) {
00131 *dst = ComposeColourRGBANoCheck(src_px->r, src_px->g, src_px->b, src_px->a, *dst);
00132 } else {
00133 uint r = remap[m];
00134 if (r != 0) *dst = ComposeColourPANoCheck(this->LookupColourInPalette(r), src_px->a, *dst);
00135 }
00136 dst++;
00137 src_px++;
00138 src_n++;
00139 } while (--n != 0);
00140 }
00141 break;
00142
00143 case BM_TRANSPARENT:
00144
00145
00146
00147
00148
00149 src_n += n;
00150 if (src_px->a == 255) {
00151 src_px += n;
00152 do {
00153 *dst = MakeTransparent(*dst, 3, 4);
00154 dst++;
00155 } while (--n != 0);
00156 } else {
00157 do {
00158 *dst = MakeTransparent(*dst, (256 * 4 - src_px->a), 256 * 4);
00159 dst++;
00160 src_px++;
00161 } while (--n != 0);
00162 }
00163 break;
00164
00165 default:
00166 if (src_px->a == 255) {
00167
00168 src_n += n;
00169 do {
00170 *dst = src_px->data;
00171 dst++;
00172 src_px++;
00173 } while (--n != 0);
00174 } else {
00175 src_n += n;
00176 do {
00177 *dst = ComposeColourRGBANoCheck(src_px->r, src_px->g, src_px->b, src_px->a, *dst);
00178 dst++;
00179 src_px++;
00180 } while (--n != 0);
00181 }
00182 break;
00183 }
00184 }
00185
00186 dst = dst_ln;
00187 src_px = src_px_ln;
00188 src_n = src_n_ln;
00189 }
00190 }
00191
00199 void Blitter_32bppOptimized::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
00200 {
00201 switch (mode) {
00202 default: NOT_REACHED();
00203 case BM_NORMAL: Draw<BM_NORMAL> (bp, zoom); return;
00204 case BM_COLOUR_REMAP: Draw<BM_COLOUR_REMAP>(bp, zoom); return;
00205 case BM_TRANSPARENT: Draw<BM_TRANSPARENT> (bp, zoom); return;
00206 }
00207 }
00208
00216 static const SpriteLoader::Sprite *ResizeSprite(const SpriteLoader::Sprite *sprite_src, ZoomLevel zoom)
00217 {
00218 SpriteLoader::Sprite *sprite = MallocT<SpriteLoader::Sprite>(1);
00219
00220 if (zoom == ZOOM_LVL_NORMAL) {
00221 memcpy(sprite, sprite_src, sizeof(*sprite));
00222 uint size = sprite_src->height * sprite_src->width;
00223 sprite->data = MallocT<SpriteLoader::CommonPixel>(size);
00224 memcpy(sprite->data, sprite_src->data, size * sizeof(SpriteLoader::CommonPixel));
00225 return sprite;
00226 }
00227
00228 sprite->height = UnScaleByZoom(sprite_src->height, zoom);
00229 sprite->width = UnScaleByZoom(sprite_src->width, zoom);
00230 sprite->x_offs = UnScaleByZoom(sprite_src->x_offs, zoom);
00231 sprite->y_offs = UnScaleByZoom(sprite_src->y_offs, zoom);
00232
00233 uint size = sprite->height * sprite->width;
00234 SpriteLoader::CommonPixel *dst = sprite->data = CallocT<SpriteLoader::CommonPixel>(size);
00235
00236 const SpriteLoader::CommonPixel *src = (SpriteLoader::CommonPixel *)sprite_src->data;
00237 const SpriteLoader::CommonPixel *src_end = src + sprite_src->height * sprite_src->width;
00238
00239 uint scaled_1 = ScaleByZoom(1, zoom);
00240
00241 for (uint y = 0; y < sprite->height; y++) {
00242 if (src >= src_end) src = src_end - sprite_src->width;
00243
00244 const SpriteLoader::CommonPixel *src_ln = src + sprite_src->width * scaled_1;
00245 for (uint x = 0; x < sprite->width; x++) {
00246 if (src >= src_ln) src = src_ln - 1;
00247 *dst = *src;
00248 dst++;
00249 src += scaled_1;
00250 }
00251
00252 src = src_ln;
00253 }
00254
00255 return sprite;
00256 }
00257
00258 Sprite *Blitter_32bppOptimized::Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator)
00259 {
00260
00261
00262
00263 Colour *dst_px_orig[ZOOM_LVL_COUNT];
00264
00265
00266
00267
00268
00269
00270
00271 uint8 *dst_n_orig[ZOOM_LVL_COUNT];
00272
00273
00274 uint32 lengths[ZOOM_LVL_COUNT][2];
00275
00276 for (ZoomLevel z = ZOOM_LVL_BEGIN; z < ZOOM_LVL_END; z++) {
00277 const SpriteLoader::Sprite *src_orig = ResizeSprite(sprite, z);
00278
00279 uint size = src_orig->height * src_orig->width;
00280
00281 dst_px_orig[z] = CallocT<Colour>(size + src_orig->height * 2);
00282 dst_n_orig[z] = CallocT<uint8>(size * 2 + src_orig->height * 4 * 2);
00283
00284 uint32 *dst_px_ln = (uint32 *)dst_px_orig[z];
00285 uint32 *dst_n_ln = (uint32 *)dst_n_orig[z];
00286
00287 const SpriteLoader::CommonPixel *src = (const SpriteLoader::CommonPixel *)src_orig->data;
00288
00289 for (uint y = src_orig->height; y > 0; y--) {
00290 Colour *dst_px = (Colour *)(dst_px_ln + 1);
00291 uint8 *dst_n = (uint8 *)(dst_n_ln + 1);
00292
00293 uint8 *dst_len = dst_n++;
00294
00295 uint last = 3;
00296 int len = 0;
00297
00298 for (uint x = src_orig->width; x > 0; x--) {
00299 uint8 a = src->a;
00300 uint t = a > 0 && a < 255 ? 1 : a;
00301
00302 if (last != t || len == 255) {
00303 if (last != 3) {
00304 *dst_len = len;
00305 dst_len = dst_n++;
00306 }
00307 len = 0;
00308 }
00309
00310 last = t;
00311 len++;
00312
00313 if (a != 0) {
00314 dst_px->a = a;
00315 *dst_n = src->m;
00316 if (src->m != 0) {
00317
00318 uint32 colour = this->LookupColourInPalette(src->m);
00319 dst_px->r = GB(colour, 16, 8);
00320 dst_px->g = GB(colour, 8, 8);
00321 dst_px->b = GB(colour, 0, 8);
00322 } else {
00323 dst_px->r = src->r;
00324 dst_px->g = src->g;
00325 dst_px->b = src->b;
00326 }
00327 dst_px++;
00328 dst_n++;
00329 } else if (len == 1) {
00330 dst_px++;
00331 *dst_n = src->m;
00332 dst_n++;
00333 }
00334
00335 src++;
00336 }
00337
00338 if (last != 3) {
00339 *dst_len = len;
00340 }
00341
00342 dst_px = (Colour *)AlignPtr(dst_px, 4);
00343 dst_n = (uint8 *)AlignPtr(dst_n, 4);
00344
00345 *dst_px_ln = (uint8 *)dst_px - (uint8 *)dst_px_ln;
00346 *dst_n_ln = (uint8 *)dst_n - (uint8 *)dst_n_ln;
00347
00348 dst_px_ln = (uint32 *)dst_px;
00349 dst_n_ln = (uint32 *)dst_n;
00350 }
00351
00352 lengths[z][0] = (byte *)dst_px_ln - (byte *)dst_px_orig[z];
00353 lengths[z][1] = (byte *)dst_n_ln - (byte *)dst_n_orig[z];
00354
00355 free(src_orig->data);
00356 free((void *)src_orig);
00357 }
00358
00359 uint len = 0;
00360 for (ZoomLevel z = ZOOM_LVL_BEGIN; z < ZOOM_LVL_END; z++) {
00361 len += lengths[z][0] + lengths[z][1];
00362 }
00363
00364 Sprite *dest_sprite = (Sprite *)allocator(sizeof(*dest_sprite) + sizeof(SpriteData) + len);
00365
00366 dest_sprite->height = sprite->height;
00367 dest_sprite->width = sprite->width;
00368 dest_sprite->x_offs = sprite->x_offs;
00369 dest_sprite->y_offs = sprite->y_offs;
00370
00371 SpriteData *dst = (SpriteData *)dest_sprite->data;
00372
00373 for (ZoomLevel z = ZOOM_LVL_BEGIN; z < ZOOM_LVL_END; z++) {
00374 dst->offset[z][0] = z == ZOOM_LVL_BEGIN ? 0 : lengths[z - 1][1] + dst->offset[z - 1][1];
00375 dst->offset[z][1] = lengths[z][0] + dst->offset[z][0];
00376
00377 memcpy(dst->data + dst->offset[z][0], dst_px_orig[z], lengths[z][0]);
00378 memcpy(dst->data + dst->offset[z][1], dst_n_orig[z], lengths[z][1]);
00379
00380 free(dst_px_orig[z]);
00381 free(dst_n_orig[z]);
00382 }
00383
00384 return dest_sprite;
00385 }