00001
00002
00005 #include "../stdafx.h"
00006 #include "../zoom_func.h"
00007 #include "../gfx_func.h"
00008 #include "../core/math_func.hpp"
00009 #include "../core/alloc_func.hpp"
00010 #include "32bpp_optimized.hpp"
00011
00012 static FBlitter_32bppOptimized iFBlitter_32bppOptimized;
00013
00021 template <BlitterMode mode>
00022 inline void Blitter_32bppOptimized::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
00023 {
00024 const SpriteData *src = (const SpriteData *)bp->sprite;
00025
00026
00027
00028 const Colour *src_px = (const Colour *)(src->data + src->offset[zoom][0]);
00029
00030
00031
00032 const uint8 *src_n = (const uint8 *)(src->data + src->offset[zoom][1]);
00033
00034
00035 for (uint i = bp->skip_top; i != 0; i--) {
00036 src_px = (const Colour *)((const byte *)src_px + *(const uint32 *)src_px);
00037 src_n += *(uint32 *)src_n;
00038 }
00039
00040
00041 uint32 *dst = (uint32 *)bp->dst + bp->top * bp->pitch + bp->left;
00042
00043
00044 const byte *remap = bp->remap;
00045
00046 for (int y = 0; y < bp->height; y++) {
00047
00048 uint32 *dst_ln = dst + bp->pitch;
00049
00050
00051 const Colour *src_px_ln = (const Colour *)((const byte *)src_px + *(const uint32 *)src_px);
00052 src_px++;
00053
00054
00055 const uint8 *src_n_ln = src_n + *(uint32 *)src_n;
00056 src_n += 4;
00057
00058
00059 uint32 *dst_end = dst + bp->skip_left;
00060
00061
00062 uint n;
00063
00064 while (dst < dst_end) {
00065 n = *src_n++;
00066
00067 if (src_px->a == 0) {
00068 dst += n;
00069 src_px ++;
00070 src_n++;
00071 } else {
00072 if (dst + n > dst_end) {
00073 uint d = dst_end - dst;
00074 src_px += d;
00075 src_n += d;
00076
00077 dst = dst_end - bp->skip_left;
00078 dst_end = dst + bp->width;
00079
00080 n = min<uint>(n - d, (uint)bp->width);
00081 goto draw;
00082 }
00083 dst += n;
00084 src_px += n;
00085 src_n += n;
00086 }
00087 }
00088
00089 dst -= bp->skip_left;
00090 dst_end -= bp->skip_left;
00091
00092 dst_end += bp->width;
00093
00094 while (dst < dst_end) {
00095 n = min<uint>(*src_n++, (uint)(dst_end - dst));
00096
00097 if (src_px->a == 0) {
00098 dst += n;
00099 src_px++;
00100 src_n++;
00101 continue;
00102 }
00103
00104 draw:;
00105
00106 switch (mode) {
00107 case BM_COLOUR_REMAP:
00108 if (src_px->a == 255) {
00109 do {
00110 uint m = *src_n;
00111
00112 if (m == 0) {
00113 *dst = *src_px;
00114 } else {
00115 uint r = remap[m];
00116 if (r != 0) *dst = this->LookupColourInPalette(r);
00117 }
00118 dst++;
00119 src_px++;
00120 src_n++;
00121 } while (--n != 0);
00122 } else {
00123 do {
00124 uint m = *src_n;
00125 if (m == 0) {
00126 *dst = ComposeColourRGBANoCheck(src_px->r, src_px->g, src_px->b, src_px->a, *dst);
00127 } else {
00128 uint r = remap[m];
00129 if (r != 0) *dst = ComposeColourPANoCheck(this->LookupColourInPalette(r), src_px->a, *dst);
00130 }
00131 dst++;
00132 src_px++;
00133 src_n++;
00134 } while (--n != 0);
00135 }
00136 break;
00137
00138 case BM_TRANSPARENT:
00139
00140
00141
00142
00143
00144 src_n += n;
00145 if (src_px->a == 255) {
00146 src_px += n;
00147 do {
00148 *dst = MakeTransparent(*dst, 3, 4);
00149 dst++;
00150 } while (--n != 0);
00151 } else {
00152 do {
00153 *dst = MakeTransparent(*dst, (256 * 4 - src_px->a), 256 * 4);
00154 dst++;
00155 src_px++;
00156 } while (--n != 0);
00157 }
00158 break;
00159
00160 default:
00161 if (src_px->a == 255) {
00162
00163 src_n += n;
00164 do {
00165 *dst++ = *src_px++;
00166 } while (--n != 0);
00167 } else {
00168 src_n += n;
00169 do {
00170 *dst = ComposeColourRGBANoCheck(src_px->r, src_px->g, src_px->b, src_px->a, *dst);
00171 dst++;
00172 src_px++;
00173 } while (--n != 0);
00174 }
00175 break;
00176 }
00177 }
00178
00179 dst = dst_ln;
00180 src_px = src_px_ln;
00181 src_n = src_n_ln;
00182 }
00183 }
00184
00192 void Blitter_32bppOptimized::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
00193 {
00194 switch (mode) {
00195 default: NOT_REACHED();
00196 case BM_NORMAL: Draw<BM_NORMAL> (bp, zoom); return;
00197 case BM_COLOUR_REMAP: Draw<BM_COLOUR_REMAP>(bp, zoom); return;
00198 case BM_TRANSPARENT: Draw<BM_TRANSPARENT> (bp, zoom); return;
00199 }
00200 }
00201
00209 static const SpriteLoader::Sprite *ResizeSprite(const SpriteLoader::Sprite *sprite_src, ZoomLevel zoom)
00210 {
00211 SpriteLoader::Sprite *sprite = MallocT<SpriteLoader::Sprite>(1);
00212
00213 if (zoom == ZOOM_LVL_NORMAL) {
00214 memcpy(sprite, sprite_src, sizeof(*sprite));
00215 uint size = sprite_src->height * sprite_src->width;
00216 sprite->data = MallocT<SpriteLoader::CommonPixel>(size);
00217 memcpy(sprite->data, sprite_src->data, size * sizeof(SpriteLoader::CommonPixel));
00218 return sprite;
00219 }
00220
00221 sprite->height = UnScaleByZoom(sprite_src->height, zoom);
00222 sprite->width = UnScaleByZoom(sprite_src->width, zoom);
00223 sprite->x_offs = UnScaleByZoom(sprite_src->x_offs, zoom);
00224 sprite->y_offs = UnScaleByZoom(sprite_src->y_offs, zoom);
00225
00226 uint size = sprite->height * sprite->width;
00227 SpriteLoader::CommonPixel *dst = sprite->data = CallocT<SpriteLoader::CommonPixel>(size);
00228
00229 const SpriteLoader::CommonPixel *src = (SpriteLoader::CommonPixel *)sprite_src->data;
00230 const SpriteLoader::CommonPixel *src_end = src + sprite_src->height * sprite_src->width;
00231
00232 uint scaled_1 = ScaleByZoom(1, zoom);
00233
00234 for (uint y = 0; y < sprite->height; y++) {
00235 if (src >= src_end) src = src_end - sprite_src->width;
00236
00237 const SpriteLoader::CommonPixel *src_ln = src + sprite_src->width * scaled_1;
00238 for (uint x = 0; x < sprite->width; x++) {
00239 if (src >= src_ln) src = src_ln - 1;
00240 *dst = *src;
00241 dst++;
00242 src += scaled_1;
00243 }
00244
00245 src = src_ln;
00246 }
00247
00248 return sprite;
00249 }
00250
00251 Sprite *Blitter_32bppOptimized::Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator)
00252 {
00253
00254
00255
00256 Colour *dst_px_orig[ZOOM_LVL_COUNT];
00257
00258
00259
00260
00261
00262
00263
00264 uint8 *dst_n_orig[ZOOM_LVL_COUNT];
00265
00266
00267 uint32 lengths[ZOOM_LVL_COUNT][2];
00268
00269 for (ZoomLevel z = ZOOM_LVL_BEGIN; z < ZOOM_LVL_END; z++) {
00270 const SpriteLoader::Sprite *src_orig = ResizeSprite(sprite, z);
00271
00272 uint size = src_orig->height * src_orig->width;
00273
00274 dst_px_orig[z] = CallocT<Colour>(size + src_orig->height * 2);
00275 dst_n_orig[z] = CallocT<uint8>(size * 2 + src_orig->height * 4 * 2);
00276
00277 uint32 *dst_px_ln = (uint32 *)dst_px_orig[z];
00278 uint32 *dst_n_ln = (uint32 *)dst_n_orig[z];
00279
00280 const SpriteLoader::CommonPixel *src = (const SpriteLoader::CommonPixel *)src_orig->data;
00281
00282 for (uint y = src_orig->height; y > 0; y--) {
00283 Colour *dst_px = (Colour *)(dst_px_ln + 1);
00284 uint8 *dst_n = (uint8 *)(dst_n_ln + 1);
00285
00286 uint8 *dst_len = dst_n++;
00287
00288 uint last = 3;
00289 int len = 0;
00290
00291 for (uint x = src_orig->width; x > 0; x--) {
00292 uint8 a = src->a;
00293 uint t = a > 0 && a < 255 ? 1 : a;
00294
00295 if (last != t || len == 255) {
00296 if (last != 3) {
00297 *dst_len = len;
00298 dst_len = dst_n++;
00299 }
00300 len = 0;
00301 }
00302
00303 last = t;
00304 len++;
00305
00306 if (a != 0) {
00307 dst_px->a = a;
00308 *dst_n = src->m;
00309 if (src->m != 0) {
00310
00311 uint32 colour = this->LookupColourInPalette(src->m);
00312 dst_px->r = GB(colour, 16, 8);
00313 dst_px->g = GB(colour, 8, 8);
00314 dst_px->b = GB(colour, 0, 8);
00315 } else {
00316 dst_px->r = src->r;
00317 dst_px->g = src->g;
00318 dst_px->b = src->b;
00319 }
00320 dst_px++;
00321 dst_n++;
00322 } else if (len == 1) {
00323 dst_px++;
00324 *dst_n = src->m;
00325 dst_n++;
00326 }
00327
00328 src++;
00329 }
00330
00331 if (last != 3) {
00332 *dst_len = len;
00333 }
00334
00335 dst_px = (Colour *)AlignPtr(dst_px, 4);
00336 dst_n = (uint8 *)AlignPtr(dst_n, 4);
00337
00338 *dst_px_ln = (uint8 *)dst_px - (uint8 *)dst_px_ln;
00339 *dst_n_ln = (uint8 *)dst_n - (uint8 *)dst_n_ln;
00340
00341 dst_px_ln = (uint32 *)dst_px;
00342 dst_n_ln = (uint32 *)dst_n;
00343 }
00344
00345 lengths[z][0] = (byte *)dst_px_ln - (byte *)dst_px_orig[z];
00346 lengths[z][1] = (byte *)dst_n_ln - (byte *)dst_n_orig[z];
00347
00348 free(src_orig->data);
00349 free((void *)src_orig);
00350 }
00351
00352 uint len = 0;
00353 for (ZoomLevel z = ZOOM_LVL_BEGIN; z < ZOOM_LVL_END; z++) {
00354 len += lengths[z][0] + lengths[z][1];
00355 }
00356
00357 Sprite *dest_sprite = (Sprite *)allocator(sizeof(*dest_sprite) + sizeof(SpriteData) + len);
00358
00359 dest_sprite->height = sprite->height;
00360 dest_sprite->width = sprite->width;
00361 dest_sprite->x_offs = sprite->x_offs;
00362 dest_sprite->y_offs = sprite->y_offs;
00363
00364 SpriteData *dst = (SpriteData *)dest_sprite->data;
00365
00366 for (ZoomLevel z = ZOOM_LVL_BEGIN; z < ZOOM_LVL_END; z++) {
00367 dst->offset[z][0] = z == ZOOM_LVL_BEGIN ? 0 : lengths[z - 1][1] + dst->offset[z - 1][1];
00368 dst->offset[z][1] = lengths[z][0] + dst->offset[z][0];
00369
00370 memcpy(dst->data + dst->offset[z][0], dst_px_orig[z], lengths[z][0]);
00371 memcpy(dst->data + dst->offset[z][1], dst_n_orig[z], lengths[z][1]);
00372
00373 free(dst_px_orig[z]);
00374 free(dst_n_orig[z]);
00375 }
00376
00377 return dest_sprite;
00378 }