src/gb/renderers/software.c (view raw)
1/* Copyright (c) 2013-2016 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#include "software.h"
7
8#include "gb/io.h"
9#include "util/memory.h"
10
11static void GBVideoSoftwareRendererInit(struct GBVideoRenderer* renderer, enum GBModel model);
12static void GBVideoSoftwareRendererDeinit(struct GBVideoRenderer* renderer);
13static uint8_t GBVideoSoftwareRendererWriteVideoRegister(struct GBVideoRenderer* renderer, uint16_t address, uint8_t value);
14static void GBVideoSoftwareRendererWritePalette(struct GBVideoRenderer* renderer, int index, uint16_t value);
15static void GBVideoSoftwareRendererDrawRange(struct GBVideoRenderer* renderer, int startX, int endX, int y, struct GBObj** obj, size_t oamMax);
16static void GBVideoSoftwareRendererFinishScanline(struct GBVideoRenderer* renderer, int y);
17static void GBVideoSoftwareRendererFinishFrame(struct GBVideoRenderer* renderer);
18static void GBVideoSoftwareRendererGetPixels(struct GBVideoRenderer* renderer, unsigned* stride, const void** pixels);
19static void GBVideoSoftwareRendererPutPixels(struct GBVideoRenderer* renderer, unsigned stride, void* pixels);
20
21static void GBVideoSoftwareRendererDrawBackground(struct GBVideoSoftwareRenderer* renderer, uint8_t* maps, int startX, int endX, int y, int sx, int sy);
22static void GBVideoSoftwareRendererDrawObj(struct GBVideoSoftwareRenderer* renderer, struct GBObj* obj, int startX, int endX, int y);
23
24void GBVideoSoftwareRendererCreate(struct GBVideoSoftwareRenderer* renderer) {
25 renderer->d.init = GBVideoSoftwareRendererInit;
26 renderer->d.deinit = GBVideoSoftwareRendererDeinit;
27 renderer->d.writeVideoRegister = GBVideoSoftwareRendererWriteVideoRegister;
28 renderer->d.writePalette = GBVideoSoftwareRendererWritePalette,
29 renderer->d.drawRange = GBVideoSoftwareRendererDrawRange;
30 renderer->d.finishScanline = GBVideoSoftwareRendererFinishScanline;
31 renderer->d.finishFrame = GBVideoSoftwareRendererFinishFrame;
32 renderer->d.getPixels = GBVideoSoftwareRendererGetPixels;
33 renderer->d.putPixels = 0;
34
35 renderer->temporaryBuffer = 0;
36}
37
38static void GBVideoSoftwareRendererInit(struct GBVideoRenderer* renderer, enum GBModel model) {
39 struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
40 softwareRenderer->scy = 0;
41 softwareRenderer->scx = 0;
42 softwareRenderer->wy = 0;
43 softwareRenderer->currentWy = 0;
44 softwareRenderer->wx = 0;
45 softwareRenderer->model = model;
46
47 int y;
48 for (y = 0; y < GB_VIDEO_VERTICAL_PIXELS; ++y) {
49 color_t* row = &softwareRenderer->outputBuffer[softwareRenderer->outputBufferStride * y];
50 int x;
51 for (x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; ++x) {
52 row[x] = softwareRenderer->palette[0];
53 }
54 }
55}
56
57static void GBVideoSoftwareRendererDeinit(struct GBVideoRenderer* renderer) {
58 struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
59 UNUSED(softwareRenderer);
60}
61
62static uint8_t GBVideoSoftwareRendererWriteVideoRegister(struct GBVideoRenderer* renderer, uint16_t address, uint8_t value) {
63 struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
64 switch (address) {
65 case REG_LCDC:
66 softwareRenderer->lcdc = value;
67 break;
68 case REG_SCY:
69 softwareRenderer->scy = value;
70 break;
71 case REG_SCX:
72 softwareRenderer->scx = value;
73 break;
74 case REG_WY:
75 softwareRenderer->wy = value;
76 break;
77 case REG_WX:
78 softwareRenderer->wx = value;
79 break;
80 }
81 return value;
82}
83
84static void GBVideoSoftwareRendererWritePalette(struct GBVideoRenderer* renderer, int index, uint16_t value) {
85 struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
86#ifdef COLOR_16_BIT
87#ifdef COLOR_5_6_5
88 color_t color = 0;
89 color |= (value & 0x001F) << 11;
90 color |= (value & 0x03E0) << 1;
91 color |= (value & 0x7C00) >> 10;
92#else
93 color_t color = value;
94#endif
95#else
96 color_t color = 0;
97 color |= (value << 3) & 0xF8;
98 color |= (value << 6) & 0xF800;
99 color |= (value << 9) & 0xF80000;
100#endif
101 softwareRenderer->palette[index] = color;
102}
103
104static void GBVideoSoftwareRendererDrawRange(struct GBVideoRenderer* renderer, int startX, int endX, int y, struct GBObj** obj, size_t oamMax) {
105 struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
106 uint8_t* maps = &softwareRenderer->d.vram[GB_BASE_MAP];
107 if (GBRegisterLCDCIsTileMap(softwareRenderer->lcdc)) {
108 maps += GB_SIZE_MAP;
109 }
110 if (GBRegisterLCDCIsBgEnable(softwareRenderer->lcdc) || softwareRenderer->model >= GB_MODEL_CGB) {
111 if (GBRegisterLCDCIsWindow(softwareRenderer->lcdc) && softwareRenderer->wy <= y && endX >= softwareRenderer->wx - 7) {
112 if (softwareRenderer->wx - 7 > 0) {
113 GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, startX, softwareRenderer->wx - 7, y, softwareRenderer->scx, softwareRenderer->scy);
114 }
115
116 maps = &softwareRenderer->d.vram[GB_BASE_MAP];
117 if (GBRegisterLCDCIsWindowTileMap(softwareRenderer->lcdc)) {
118 maps += GB_SIZE_MAP;
119 }
120 GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, softwareRenderer->wx - 7, endX, y, 7 - softwareRenderer->wx, (softwareRenderer->currentWy - y) - softwareRenderer->wy);
121 } else {
122 GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, startX, endX, y, softwareRenderer->scx, softwareRenderer->scy);
123 }
124 } else {
125 memset(&softwareRenderer->row[startX], 0, endX - startX);
126 }
127
128 if (GBRegisterLCDCIsObjEnable(softwareRenderer->lcdc)) {
129 size_t i;
130 for (i = 0; i < oamMax; ++i) {
131 GBVideoSoftwareRendererDrawObj(softwareRenderer, obj[i], startX, endX, y);
132 }
133 }
134 color_t* row = &softwareRenderer->outputBuffer[softwareRenderer->outputBufferStride * y];
135 int x;
136 for (x = startX; x < (endX & ~7); x += 8) {
137 row[x] = softwareRenderer->palette[softwareRenderer->row[x] & 0x7F];
138 row[x + 1] = softwareRenderer->palette[softwareRenderer->row[x + 1] & 0x7F];
139 row[x + 2] = softwareRenderer->palette[softwareRenderer->row[x + 2] & 0x7F];
140 row[x + 3] = softwareRenderer->palette[softwareRenderer->row[x + 3] & 0x7F];
141 row[x + 4] = softwareRenderer->palette[softwareRenderer->row[x + 4] & 0x7F];
142 row[x + 5] = softwareRenderer->palette[softwareRenderer->row[x + 5] & 0x7F];
143 row[x + 6] = softwareRenderer->palette[softwareRenderer->row[x + 6] & 0x7F];
144 row[x + 7] = softwareRenderer->palette[softwareRenderer->row[x + 7] & 0x7F];
145 }
146 for (; x < endX; ++x) {
147 row[x] = softwareRenderer->palette[softwareRenderer->row[x] & 0x7F];
148 }
149}
150
151static void GBVideoSoftwareRendererFinishScanline(struct GBVideoRenderer* renderer, int y) {
152 struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
153 if (GBRegisterLCDCIsBgEnable(softwareRenderer->lcdc) && GBRegisterLCDCIsWindow(softwareRenderer->lcdc) && softwareRenderer->wy <= y && softwareRenderer->wx - 7 < GB_VIDEO_HORIZONTAL_PIXELS) {
154 ++softwareRenderer->currentWy;
155 }
156}
157
158static void GBVideoSoftwareRendererFinishFrame(struct GBVideoRenderer* renderer) {
159 struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
160
161 if (softwareRenderer->temporaryBuffer) {
162 mappedMemoryFree(softwareRenderer->temporaryBuffer, GB_VIDEO_HORIZONTAL_PIXELS * GB_VIDEO_VERTICAL_PIXELS * 4);
163 softwareRenderer->temporaryBuffer = 0;
164 }
165 softwareRenderer->currentWy = softwareRenderer->wy;
166}
167
168static void GBVideoSoftwareRendererDrawBackground(struct GBVideoSoftwareRenderer* renderer, uint8_t* maps, int startX, int endX, int y, int sx, int sy) {
169 uint8_t* data = renderer->d.vram;
170 uint8_t* attr = &maps[GB_SIZE_VRAM_BANK0];
171 if (!GBRegisterLCDCIsTileData(renderer->lcdc)) {
172 data += 0x1000;
173 }
174 int topY = (((y + sy) >> 3) & 0x1F) * 0x20;
175 int bottomY = (y + sy) & 7;
176 if (startX < 0) {
177 startX = 0;
178 }
179 int x;
180 if ((startX + sx) & 7) {
181 int startX2 = startX + 8 - ((startX + sx) & 7);
182 for (x = startX; x < startX2; ++x) {
183 uint8_t* localData = data;
184 int localY = bottomY;
185 int topX = ((x + sx) >> 3) & 0x1F;
186 int bottomX = 7 - ((x + sx) & 7);
187 int bgTile;
188 if (GBRegisterLCDCIsTileData(renderer->lcdc)) {
189 bgTile = maps[topX + topY];
190 } else {
191 bgTile = ((int8_t*) maps)[topX + topY];
192 }
193 int p = 0;
194 if (renderer->model >= GB_MODEL_CGB) {
195 GBObjAttributes attrs = attr[topX + topY];
196 p = GBObjAttributesGetCGBPalette(attrs) * 4;
197 if (GBObjAttributesIsPriority(attrs) && GBRegisterLCDCIsBgEnable(renderer->lcdc)) {
198 p |= 0x80;
199 }
200 if (GBObjAttributesIsBank(attrs)) {
201 localData += GB_SIZE_VRAM_BANK0;
202 }
203 if (GBObjAttributesIsYFlip(attrs)) {
204 localY = 7 - bottomY;
205 }
206 if (GBObjAttributesIsXFlip(attrs)) {
207 bottomX = 7 - bottomX;
208 }
209 }
210 uint8_t tileDataLower = localData[(bgTile * 8 + localY) * 2];
211 uint8_t tileDataUpper = localData[(bgTile * 8 + localY) * 2 + 1];
212 tileDataUpper >>= bottomX;
213 tileDataLower >>= bottomX;
214 renderer->row[x] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
215 }
216 startX = startX2;
217 }
218 for (x = startX; x < endX; x += 8) {
219 uint8_t* localData = data;
220 int localY = bottomY;
221 int topX = ((x + sx) >> 3) & 0x1F;
222 int bgTile;
223 if (GBRegisterLCDCIsTileData(renderer->lcdc)) {
224 bgTile = maps[topX + topY];
225 } else {
226 bgTile = ((int8_t*) maps)[topX + topY];
227 }
228 int p = 0;
229 if (renderer->model >= GB_MODEL_CGB) {
230 GBObjAttributes attrs = attr[topX + topY];
231 p = GBObjAttributesGetCGBPalette(attrs) * 4;
232 if (GBObjAttributesIsPriority(attrs) && GBRegisterLCDCIsBgEnable(renderer->lcdc)) {
233 p |= 0x80;
234 }
235 if (GBObjAttributesIsBank(attrs)) {
236 localData += GB_SIZE_VRAM_BANK0;
237 }
238 if (GBObjAttributesIsYFlip(attrs)) {
239 localY = 7 - bottomY;
240 }
241 if (GBObjAttributesIsXFlip(attrs)) {
242 uint8_t tileDataLower = localData[(bgTile * 8 + localY) * 2];
243 uint8_t tileDataUpper = localData[(bgTile * 8 + localY) * 2 + 1];
244 renderer->row[x + 0] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
245 renderer->row[x + 1] = p | (tileDataUpper & 2) | ((tileDataLower & 2) >> 1);
246 renderer->row[x + 2] = p | ((tileDataUpper & 4) >> 1) | ((tileDataLower & 4) >> 2);
247 renderer->row[x + 3] = p | ((tileDataUpper & 8) >> 2) | ((tileDataLower & 8) >> 3);
248 renderer->row[x + 4] = p | ((tileDataUpper & 16) >> 3) | ((tileDataLower & 16) >> 4);
249 renderer->row[x + 5] = p | ((tileDataUpper & 32) >> 4) | ((tileDataLower & 32) >> 5);
250 renderer->row[x + 6] = p | ((tileDataUpper & 64) >> 5) | ((tileDataLower & 64) >> 6);
251 renderer->row[x + 7] = p | ((tileDataUpper & 128) >> 6) | ((tileDataLower & 128) >> 7);
252 continue;
253 }
254 }
255 uint8_t tileDataLower = localData[(bgTile * 8 + localY) * 2];
256 uint8_t tileDataUpper = localData[(bgTile * 8 + localY) * 2 + 1];
257 renderer->row[x + 7] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
258 renderer->row[x + 6] = p | (tileDataUpper & 2) | ((tileDataLower & 2) >> 1);
259 renderer->row[x + 5] = p | ((tileDataUpper & 4) >> 1) | ((tileDataLower & 4) >> 2);
260 renderer->row[x + 4] = p | ((tileDataUpper & 8) >> 2) | ((tileDataLower & 8) >> 3);
261 renderer->row[x + 3] = p | ((tileDataUpper & 16) >> 3) | ((tileDataLower & 16) >> 4);
262 renderer->row[x + 2] = p | ((tileDataUpper & 32) >> 4) | ((tileDataLower & 32) >> 5);
263 renderer->row[x + 1] = p | ((tileDataUpper & 64) >> 5) | ((tileDataLower & 64) >> 6);
264 renderer->row[x + 0] = p | ((tileDataUpper & 128) >> 6) | ((tileDataLower & 128) >> 7);
265 }
266}
267
268static void GBVideoSoftwareRendererDrawObj(struct GBVideoSoftwareRenderer* renderer, struct GBObj* obj, int startX, int endX, int y) {
269 int ix = obj->x - 8;
270 if (endX < ix || startX >= ix + 8) {
271 return;
272 }
273 if (obj->x < endX) {
274 endX = obj->x;
275 }
276 if (obj->x - 8 > startX) {
277 startX = obj->x - 8;
278 }
279 if (startX < 0) {
280 startX = 0;
281 }
282 uint8_t* data = renderer->d.vram;
283 int tileOffset = 0;
284 int bottomY;
285 if (GBObjAttributesIsYFlip(obj->attr)) {
286 bottomY = 7 - ((y - obj->y - 16) & 7);
287 if (GBRegisterLCDCIsObjSize(renderer->lcdc) && y - obj->y < -8) {
288 ++tileOffset;
289 }
290 } else {
291 bottomY = (y - obj->y - 16) & 7;
292 if (GBRegisterLCDCIsObjSize(renderer->lcdc) && y - obj->y >= -8) {
293 ++tileOffset;
294 }
295 }
296 if (GBRegisterLCDCIsObjSize(renderer->lcdc) && obj->tile & 1) {
297 --tileOffset;
298 }
299 uint8_t mask = GBObjAttributesIsPriority(obj->attr) ? 0x63 : 0x60;
300 uint8_t mask2 = GBObjAttributesIsPriority(obj->attr) ? 0 : 0x83;
301 int p;
302 if (renderer->model >= GB_MODEL_CGB) {
303 p = (GBObjAttributesGetCGBPalette(obj->attr) + 8) * 4;
304 if (GBObjAttributesIsBank(obj->attr)) {
305 data += GB_SIZE_VRAM_BANK0;
306 }
307 if (!GBRegisterLCDCIsBgEnable(renderer->lcdc)) {
308 mask = 0x60;
309 mask2 = 0x83;
310 }
311 } else {
312 p = (GBObjAttributesGetPalette(obj->attr) + 8) * 4;
313 }
314 int bottomX;
315 int x = startX;
316 if ((x - obj->x) & 7) {
317 for (; x < endX; ++x) {
318 if (GBObjAttributesIsXFlip(obj->attr)) {
319 bottomX = (x - obj->x) & 7;
320 } else {
321 bottomX = 7 - ((x - obj->x) & 7);
322 }
323 int objTile = obj->tile + tileOffset;
324 uint8_t tileDataLower = data[(objTile * 8 + bottomY) * 2];
325 uint8_t tileDataUpper = data[(objTile * 8 + bottomY) * 2 + 1];
326 tileDataUpper >>= bottomX;
327 tileDataLower >>= bottomX;
328 color_t current = renderer->row[x];
329 if (((tileDataUpper | tileDataLower) & 1) && !(current & mask) && (current & mask2) <= 0x80) {
330 renderer->row[x] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
331 }
332 }
333 } else if (GBObjAttributesIsXFlip(obj->attr)) {
334 int objTile = obj->tile + tileOffset;
335 uint8_t tileDataLower = data[(objTile * 8 + bottomY) * 2];
336 uint8_t tileDataUpper = data[(objTile * 8 + bottomY) * 2 + 1];
337 color_t current;
338 current = renderer->row[x];
339 if (((tileDataUpper | tileDataLower) & 1) && !(current & mask) && (current & mask2) <= 0x80) {
340 renderer->row[x] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
341 }
342 current = renderer->row[x + 1];
343 if (((tileDataUpper | tileDataLower) & 2) && !(current & mask) && (current & mask2) <= 0x80) {
344 renderer->row[x + 1] = p | (tileDataUpper & 2) | ((tileDataLower & 2) >> 1);
345 }
346 current = renderer->row[x + 2];
347 if (((tileDataUpper | tileDataLower) & 4) && !(current & mask) && (current & mask2) <= 0x80) {
348 renderer->row[x + 2] = p | ((tileDataUpper & 4) >> 1) | ((tileDataLower & 4) >> 2);
349 }
350 current = renderer->row[x + 3];
351 if (((tileDataUpper | tileDataLower) & 8) && !(current & mask) && (current & mask2) <= 0x80) {
352 renderer->row[x + 3] = p | ((tileDataUpper & 8) >> 2) | ((tileDataLower & 8) >> 3);
353 }
354 current = renderer->row[x + 4];
355 if (((tileDataUpper | tileDataLower) & 16) && !(current & mask) && (current & mask2) <= 0x80) {
356 renderer->row[x + 4] = p | ((tileDataUpper & 16) >> 3) | ((tileDataLower & 16) >> 4);
357 }
358 current = renderer->row[x + 5];
359 if (((tileDataUpper | tileDataLower) & 32) && !(current & mask) && (current & mask2) <= 0x80) {
360 renderer->row[x + 5] = p | ((tileDataUpper & 32) >> 4) | ((tileDataLower & 32) >> 5);
361 }
362 current = renderer->row[x + 6];
363 if (((tileDataUpper | tileDataLower) & 64) && !(current & mask) && (current & mask2) <= 0x80) {
364 renderer->row[x + 6] = p | ((tileDataUpper & 64) >> 5) | ((tileDataLower & 64) >> 6);
365 }
366 current = renderer->row[x + 7];
367 if (((tileDataUpper | tileDataLower) & 128) && !(current & mask) && (current & mask2) <= 0x80) {
368 renderer->row[x + 7] = p | ((tileDataUpper & 128) >> 6) | ((tileDataLower & 128) >> 7);
369 }
370 } else {
371 int objTile = obj->tile + tileOffset;
372 uint8_t tileDataLower = data[(objTile * 8 + bottomY) * 2];
373 uint8_t tileDataUpper = data[(objTile * 8 + bottomY) * 2 + 1];
374 color_t current;
375 current = renderer->row[x + 7];
376 if (((tileDataUpper | tileDataLower) & 1) && !(current & mask) && (current & mask2) <= 0x80) {
377 renderer->row[x + 7] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
378 }
379 current = renderer->row[x + 6];
380 if (((tileDataUpper | tileDataLower) & 2) && !(current & mask) && (current & mask2) <= 0x80) {
381 renderer->row[x + 6] = p | (tileDataUpper & 2) | ((tileDataLower & 2) >> 1);
382 }
383 current = renderer->row[x + 5];
384 if (((tileDataUpper | tileDataLower) & 4) && !(current & mask) && (current & mask2) <= 0x80) {
385 renderer->row[x + 5] = p | ((tileDataUpper & 4) >> 1) | ((tileDataLower & 4) >> 2);
386 }
387 current = renderer->row[x + 4];
388 if (((tileDataUpper | tileDataLower) & 8) && !(current & mask) && (current & mask2) <= 0x80) {
389 renderer->row[x + 4] = p | ((tileDataUpper & 8) >> 2) | ((tileDataLower & 8) >> 3);
390 }
391 current = renderer->row[x + 3];
392 if (((tileDataUpper | tileDataLower) & 16) && !(current & mask) && (current & mask2) <= 0x80) {
393 renderer->row[x + 3] = p | ((tileDataUpper & 16) >> 3) | ((tileDataLower & 16) >> 4);
394 }
395 current = renderer->row[x + 2];
396 if (((tileDataUpper | tileDataLower) & 32) && !(current & mask) && (current & mask2) <= 0x80) {
397 renderer->row[x + 2] = p | ((tileDataUpper & 32) >> 4) | ((tileDataLower & 32) >> 5);
398 }
399 current = renderer->row[x + 1];
400 if (((tileDataUpper | tileDataLower) & 64) && !(current & mask) && (current & mask2) <= 0x80) {
401 renderer->row[x + 1] = p | ((tileDataUpper & 64) >> 5) | ((tileDataLower & 64) >> 6);
402 }
403 current = renderer->row[x];
404 if (((tileDataUpper | tileDataLower) & 128) && !(current & mask) && (current & mask2) <= 0x80) {
405 renderer->row[x] = p | ((tileDataUpper & 128) >> 6) | ((tileDataLower & 128) >> 7);
406 }
407 }
408}
409
410static void GBVideoSoftwareRendererGetPixels(struct GBVideoRenderer* renderer, unsigned* stride, const void** pixels) {
411 struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
412 // TODO: Share with GBAVideoSoftwareRendererGetPixels
413#ifdef COLOR_16_BIT
414 *stride = GB_VIDEO_HORIZONTAL_PIXELS;
415 if (!softwareRenderer->temporaryBuffer) {
416 softwareRenderer->temporaryBuffer = anonymousMemoryMap(GB_VIDEO_HORIZONTAL_PIXELS * GB_VIDEO_VERTICAL_PIXELS * 4);
417 }
418 *pixels = softwareRenderer->temporaryBuffer;
419 unsigned y, x;
420 for (y = 0; y < GB_VIDEO_VERTICAL_PIXELS; ++y) {
421 for (x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; ++x) {
422 color_t inColor = softwareRenderer->outputBuffer[softwareRenderer->outputBufferStride * y + x];
423 uint32_t outColor;
424#ifdef COLOR_5_6_5
425 outColor = (inColor & 0x1F) << 19;
426 outColor |= (inColor & 0x7C0) << 5;
427 outColor |= (inColor & 0xF800) >> 8;
428#else
429 outColor = (inColor & 0x1F) << 3;
430 outColor |= (inColor & 0x3E0) << 6;
431 outColor |= (inColor & 0x7C00) << 9;
432#endif
433 softwareRenderer->temporaryBuffer[GB_VIDEO_HORIZONTAL_PIXELS * y + x] = outColor;
434 }
435 }
436#else
437 *stride = softwareRenderer->outputBufferStride;
438 *pixels = softwareRenderer->outputBuffer;
439#endif
440}