all repos — mgba @ 883bf556609b07b82fceb704aaf23cb1733dd9fe

mGBA Game Boy Advance Emulator

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		softwareRenderer->currentWy = value;
 77		break;
 78	case REG_WX:
 79		softwareRenderer->wx = value;
 80		break;
 81	}
 82	return value;
 83}
 84
 85static void GBVideoSoftwareRendererWritePalette(struct GBVideoRenderer* renderer, int index, uint16_t value) {
 86	struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
 87#ifdef COLOR_16_BIT
 88#ifdef COLOR_5_6_5
 89	color_t color = 0;
 90	color |= (value & 0x001F) << 11;
 91	color |= (value & 0x03E0) << 1;
 92	color |= (value & 0x7C00) >> 10;
 93#else
 94	color_t color = value;
 95#endif
 96#else
 97	color_t color = 0;
 98	color |= (value << 3) & 0xF8;
 99	color |= (value << 6) & 0xF800;
100	color |= (value << 9) & 0xF80000;
101#endif
102	softwareRenderer->palette[index] = color;
103}
104
105static void GBVideoSoftwareRendererDrawRange(struct GBVideoRenderer* renderer, int startX, int endX, int y, struct GBObj** obj, size_t oamMax) {
106	struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
107	uint8_t* maps = &softwareRenderer->d.vram[GB_BASE_MAP];
108	if (GBRegisterLCDCIsTileMap(softwareRenderer->lcdc)) {
109		maps += GB_SIZE_MAP;
110	}
111	if (GBRegisterLCDCIsBgEnable(softwareRenderer->lcdc)) {
112		GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, startX, endX, y, softwareRenderer->scx, softwareRenderer->scy);
113
114		if (GBRegisterLCDCIsWindow(softwareRenderer->lcdc) && softwareRenderer->wy <= y && endX >= softwareRenderer->wx - 7) {
115			maps = &softwareRenderer->d.vram[GB_BASE_MAP];
116			if (GBRegisterLCDCIsWindowTileMap(softwareRenderer->lcdc)) {
117				maps += GB_SIZE_MAP;
118			}
119			GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, softwareRenderer->wx - 7, endX, y, 7 - softwareRenderer->wx, (softwareRenderer->currentWy - y) - softwareRenderer->wy);
120		}
121	} else {
122		memset(&softwareRenderer->row[startX], 0, endX - startX);
123	}
124
125	if (GBRegisterLCDCIsObjEnable(softwareRenderer->lcdc)) {
126		size_t i;
127		for (i = 0; i < oamMax; ++i) {
128			GBVideoSoftwareRendererDrawObj(softwareRenderer, obj[i], startX, endX, y);
129		}
130	}
131	color_t* row = &softwareRenderer->outputBuffer[softwareRenderer->outputBufferStride * y];
132	int x;
133	for (x = startX; x < (endX & ~7); x += 8) {
134		row[x] = softwareRenderer->palette[softwareRenderer->row[x] & 0x7F];
135		row[x + 1] = softwareRenderer->palette[softwareRenderer->row[x + 1] & 0x7F];
136		row[x + 2] = softwareRenderer->palette[softwareRenderer->row[x + 2] & 0x7F];
137		row[x + 3] = softwareRenderer->palette[softwareRenderer->row[x + 3] & 0x7F];
138		row[x + 4] = softwareRenderer->palette[softwareRenderer->row[x + 4] & 0x7F];
139		row[x + 5] = softwareRenderer->palette[softwareRenderer->row[x + 5] & 0x7F];
140		row[x + 6] = softwareRenderer->palette[softwareRenderer->row[x + 6] & 0x7F];
141		row[x + 7] = softwareRenderer->palette[softwareRenderer->row[x + 7] & 0x7F];
142	}
143	for (; x < endX; ++x) {
144		row[x] = softwareRenderer->palette[softwareRenderer->row[x] & 0x7F];
145	}
146}
147
148static void GBVideoSoftwareRendererFinishScanline(struct GBVideoRenderer* renderer, int y) {
149	struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
150	if (GBRegisterLCDCIsBgEnable(softwareRenderer->lcdc) && GBRegisterLCDCIsWindow(softwareRenderer->lcdc) && softwareRenderer->wy <= y && softwareRenderer->wx - 7 < GB_VIDEO_HORIZONTAL_PIXELS) {
151		++softwareRenderer->currentWy;
152	}
153}
154
155static void GBVideoSoftwareRendererFinishFrame(struct GBVideoRenderer* renderer) {
156	struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
157
158	if (softwareRenderer->temporaryBuffer) {
159		mappedMemoryFree(softwareRenderer->temporaryBuffer, GB_VIDEO_HORIZONTAL_PIXELS * GB_VIDEO_VERTICAL_PIXELS * 4);
160		softwareRenderer->temporaryBuffer = 0;
161	}
162	softwareRenderer->currentWy = softwareRenderer->wy;
163}
164
165static void GBVideoSoftwareRendererDrawBackground(struct GBVideoSoftwareRenderer* renderer, uint8_t* maps, int startX, int endX, int y, int sx, int sy) {
166	uint8_t* data = renderer->d.vram;
167	uint8_t* attr = &maps[GB_SIZE_VRAM_BANK0];
168	if (!GBRegisterLCDCIsTileData(renderer->lcdc)) {
169		data += 0x1000;
170	}
171	int topY = (((y + sy) >> 3) & 0x1F) * 0x20;
172	int bottomY = (y + sy) & 7;
173	if (startX < 0) {
174		startX = 0;
175	}
176	int x;
177	if ((startX + sx) & 7) {
178		int startX2 = startX + 8 - ((startX + sx) & 7);
179		for (x = startX; x < startX2; ++x) {
180			uint8_t* localData = data;
181			int localY = bottomY;
182			int topX = ((x + sx) >> 3) & 0x1F;
183			int bottomX = 7 - ((x + sx) & 7);
184			int bgTile;
185			if (GBRegisterLCDCIsTileData(renderer->lcdc)) {
186				bgTile = maps[topX + topY];
187			} else {
188				bgTile = ((int8_t*) maps)[topX + topY];
189			}
190			int p = 0;
191			if (renderer->model >= GB_MODEL_CGB) {
192				GBObjAttributes attrs = attr[topX + topY];
193				p = GBObjAttributesGetCGBPalette(attrs) * 4;
194				if (GBObjAttributesIsPriority(attrs)) {
195					p |= 0x80;
196				}
197				if (GBObjAttributesIsBank(attrs)) {
198					localData += GB_SIZE_VRAM_BANK0;
199				}
200				if (GBObjAttributesIsYFlip(attrs)) {
201					localY = 7 - bottomY;
202				}
203				if (GBObjAttributesIsXFlip(attrs)) {
204					bottomX = 7 - bottomX;
205				}
206			}
207			uint8_t tileDataLower = localData[(bgTile * 8 + localY) * 2];
208			uint8_t tileDataUpper = localData[(bgTile * 8 + localY) * 2 + 1];
209			tileDataUpper >>= bottomX;
210			tileDataLower >>= bottomX;
211			renderer->row[x] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
212		}
213		startX = startX2;
214	}
215	for (x = startX; x < endX; x += 8) {
216		uint8_t* localData = data;
217		int localY = bottomY;
218		int topX = ((x + sx) >> 3) & 0x1F;
219		int bgTile;
220		if (GBRegisterLCDCIsTileData(renderer->lcdc)) {
221			bgTile = maps[topX + topY];
222		} else {
223			bgTile = ((int8_t*) maps)[topX + topY];
224		}
225		int p = 0;
226		if (renderer->model >= GB_MODEL_CGB) {
227			GBObjAttributes attrs = attr[topX + topY];
228			p = GBObjAttributesGetCGBPalette(attrs) * 4;
229			if (GBObjAttributesIsPriority(attrs)) {
230				p |= 0x80;
231			}
232			if (GBObjAttributesIsBank(attrs)) {
233				localData += GB_SIZE_VRAM_BANK0;
234			}
235			if (GBObjAttributesIsYFlip(attrs)) {
236				localY = 7 - bottomY;
237			}
238			if (GBObjAttributesIsXFlip(attrs)) {
239				uint8_t tileDataLower = localData[(bgTile * 8 + localY) * 2];
240				uint8_t tileDataUpper = localData[(bgTile * 8 + localY) * 2 + 1];
241				renderer->row[x + 0] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
242				renderer->row[x + 1] = p | (tileDataUpper & 2) | ((tileDataLower & 2) >> 1);
243				renderer->row[x + 2] = p | ((tileDataUpper & 4) >> 1) | ((tileDataLower & 4) >> 2);
244				renderer->row[x + 3] = p | ((tileDataUpper & 8) >> 2) | ((tileDataLower & 8) >> 3);
245				renderer->row[x + 4] = p | ((tileDataUpper & 16) >> 3) | ((tileDataLower & 16) >> 4);
246				renderer->row[x + 5] = p | ((tileDataUpper & 32) >> 4) | ((tileDataLower & 32) >> 5);
247				renderer->row[x + 6] = p | ((tileDataUpper & 64) >> 5) | ((tileDataLower & 64) >> 6);
248				renderer->row[x + 7] = p | ((tileDataUpper & 128) >> 6) | ((tileDataLower & 128) >> 7);
249				continue;
250			}
251		}
252		uint8_t tileDataLower = localData[(bgTile * 8 + localY) * 2];
253		uint8_t tileDataUpper = localData[(bgTile * 8 + localY) * 2 + 1];
254		renderer->row[x + 7] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
255		renderer->row[x + 6] = p | (tileDataUpper & 2) | ((tileDataLower & 2) >> 1);
256		renderer->row[x + 5] = p | ((tileDataUpper & 4) >> 1) | ((tileDataLower & 4) >> 2);
257		renderer->row[x + 4] = p | ((tileDataUpper & 8) >> 2) | ((tileDataLower & 8) >> 3);
258		renderer->row[x + 3] = p | ((tileDataUpper & 16) >> 3) | ((tileDataLower & 16) >> 4);
259		renderer->row[x + 2] = p | ((tileDataUpper & 32) >> 4) | ((tileDataLower & 32) >> 5);
260		renderer->row[x + 1] = p | ((tileDataUpper & 64) >> 5) | ((tileDataLower & 64) >> 6);
261		renderer->row[x + 0] = p | ((tileDataUpper & 128) >> 6) | ((tileDataLower & 128) >> 7);
262	}
263}
264
265static void GBVideoSoftwareRendererDrawObj(struct GBVideoSoftwareRenderer* renderer, struct GBObj* obj, int startX, int endX, int y) {
266	int ix = obj->x - 8;
267	if (endX < ix || startX >= ix + 8) {
268		return;
269	}
270	if (obj->x < endX) {
271		endX = obj->x;
272	}
273	if (obj->x - 8 > startX) {
274		startX = obj->x - 8;
275	}
276	if (startX < 0) {
277		startX = 0;
278	}
279	uint8_t* data = renderer->d.vram;
280	int tileOffset = 0;
281	int bottomY;
282	if (GBObjAttributesIsYFlip(obj->attr)) {
283		bottomY = 7 - ((y - obj->y - 16) & 7);
284		if (GBRegisterLCDCIsObjSize(renderer->lcdc) && y - obj->y < -8) {
285			++tileOffset;
286		}
287	} else {
288		bottomY = (y - obj->y - 16) & 7;
289		if (GBRegisterLCDCIsObjSize(renderer->lcdc) && y - obj->y >= -8) {
290			++tileOffset;
291		}
292	}
293	if (GBRegisterLCDCIsObjSize(renderer->lcdc) && obj->tile & 1) {
294		--tileOffset;
295	}
296	uint8_t mask = GBObjAttributesIsPriority(obj->attr) ? ~0x1C : ~0x9F;
297	uint8_t mask2 = GBObjAttributesIsPriority(obj->attr) ? 0 : 0x83;
298	int p;
299	if (renderer->model >= GB_MODEL_CGB) {
300		p = (GBObjAttributesGetCGBPalette(obj->attr) + 8) * 4;
301		if (GBObjAttributesIsBank(obj->attr)) {
302			data += GB_SIZE_VRAM_BANK0;
303		}
304	} else {
305		p = (GBObjAttributesGetPalette(obj->attr) + 8) * 4;
306	}
307	int bottomX;
308	int x = startX;
309	if ((x - obj->x) & 7) {
310		for (; x < endX; ++x) {
311			if (GBObjAttributesIsXFlip(obj->attr)) {
312				bottomX = (x - obj->x) & 7;
313			} else {
314				bottomX = 7 - ((x - obj->x) & 7);
315			}
316			int objTile = obj->tile + tileOffset;
317			uint8_t tileDataLower = data[(objTile * 8 + bottomY) * 2];
318			uint8_t tileDataUpper = data[(objTile * 8 + bottomY) * 2 + 1];
319			tileDataUpper >>= bottomX;
320			tileDataLower >>= bottomX;
321			color_t current = renderer->row[x];
322			if (((tileDataUpper | tileDataLower) & 1) && !(current & mask) && (current & mask2) <= 0x80) {
323				renderer->row[x] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
324			}
325		}
326	} else if (GBObjAttributesIsXFlip(obj->attr)) {
327		int objTile = obj->tile + tileOffset;
328		uint8_t tileDataLower = data[(objTile * 8 + bottomY) * 2];
329		uint8_t tileDataUpper = data[(objTile * 8 + bottomY) * 2 + 1];
330		color_t current;
331		current = renderer->row[x];
332		if (((tileDataUpper | tileDataLower) & 1) && !(current & mask) && (current & mask2) <= 0x80) {
333			renderer->row[x] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
334		}
335		current = renderer->row[x + 1];
336		if (((tileDataUpper | tileDataLower) & 2) && !(current & mask) && (current & mask2) <= 0x80) {
337			renderer->row[x + 1] = p | (tileDataUpper & 2) | ((tileDataLower & 2) >> 1);
338		}
339		current = renderer->row[x + 2];
340		if (((tileDataUpper | tileDataLower) & 4) && !(current & mask) && (current & mask2) <= 0x80) {
341			renderer->row[x + 2] = p | ((tileDataUpper & 4) >> 1) | ((tileDataLower & 4) >> 2);
342		}
343		current = renderer->row[x + 3];
344		if (((tileDataUpper | tileDataLower) & 8) && !(current & mask) && (current & mask2) <= 0x80) {
345			renderer->row[x + 3] = p | ((tileDataUpper & 8) >> 2) | ((tileDataLower & 8) >> 3);
346		}
347		current = renderer->row[x + 4];
348		if (((tileDataUpper | tileDataLower) & 16) && !(current & mask) && (current & mask2) <= 0x80) {
349			renderer->row[x + 4] = p | ((tileDataUpper & 16) >> 3) | ((tileDataLower & 16) >> 4);
350		}
351		current = renderer->row[x + 5];
352		if (((tileDataUpper | tileDataLower) & 32) && !(current & mask) && (current & mask2) <= 0x80) {
353			renderer->row[x + 5] = p | ((tileDataUpper & 32) >> 4) | ((tileDataLower & 32) >> 5);
354		}
355		current = renderer->row[x + 6];
356		if (((tileDataUpper | tileDataLower) & 64) && !(current & mask) && (current & mask2) <= 0x80) {
357			renderer->row[x + 6] = p | ((tileDataUpper & 64) >> 5) | ((tileDataLower & 64) >> 6);
358		}
359		current = renderer->row[x + 7];
360		if (((tileDataUpper | tileDataLower) & 128) && !(current & mask) && (current & mask2) <= 0x80) {
361			renderer->row[x + 7] = p | ((tileDataUpper & 128) >> 6) | ((tileDataLower & 128) >> 7);
362		}
363	} else {
364		int objTile = obj->tile + tileOffset;
365		uint8_t tileDataLower = data[(objTile * 8 + bottomY) * 2];
366		uint8_t tileDataUpper = data[(objTile * 8 + bottomY) * 2 + 1];
367		color_t current;
368		current = renderer->row[x + 7];
369		if (((tileDataUpper | tileDataLower) & 1) && !(current & mask) && (current & mask2) <= 0x80) {
370			renderer->row[x + 7] = p | ((tileDataUpper & 1) << 1) | (tileDataLower & 1);
371		}
372		current = renderer->row[x + 6];
373		if (((tileDataUpper | tileDataLower) & 2) && !(current & mask) && (current & mask2) <= 0x80) {
374			renderer->row[x + 6] = p | (tileDataUpper & 2) | ((tileDataLower & 2) >> 1);
375		}
376		current = renderer->row[x + 5];
377		if (((tileDataUpper | tileDataLower) & 4) && !(current & mask) && (current & mask2) <= 0x80) {
378			renderer->row[x + 5] = p | ((tileDataUpper & 4) >> 1) | ((tileDataLower & 4) >> 2);
379		}
380		current = renderer->row[x + 4];
381		if (((tileDataUpper | tileDataLower) & 8) && !(current & mask) && (current & mask2) <= 0x80) {
382			renderer->row[x + 4] = p | ((tileDataUpper & 8) >> 2) | ((tileDataLower & 8) >> 3);
383		}
384		current = renderer->row[x + 3];
385		if (((tileDataUpper | tileDataLower) & 16) && !(current & mask) && (current & mask2) <= 0x80) {
386			renderer->row[x + 3] = p | ((tileDataUpper & 16) >> 3) | ((tileDataLower & 16) >> 4);
387		}
388		current = renderer->row[x + 2];
389		if (((tileDataUpper | tileDataLower) & 32) && !(current & mask) && (current & mask2) <= 0x80) {
390			renderer->row[x + 2] = p | ((tileDataUpper & 32) >> 4) | ((tileDataLower & 32) >> 5);
391		}
392		current = renderer->row[x + 1];
393		if (((tileDataUpper | tileDataLower) & 64) && !(current & mask) && (current & mask2) <= 0x80) {
394			renderer->row[x + 1] = p | ((tileDataUpper & 64) >> 5) | ((tileDataLower & 64) >> 6);
395		}
396		current = renderer->row[x];
397		if (((tileDataUpper | tileDataLower) & 128) && !(current & mask) && (current & mask2) <= 0x80) {
398			renderer->row[x] = p | ((tileDataUpper & 128) >> 6) | ((tileDataLower & 128) >> 7);
399		}
400	}
401}
402
403static void GBVideoSoftwareRendererGetPixels(struct GBVideoRenderer* renderer, unsigned* stride, const void** pixels) {
404	struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
405	// TODO: Share with GBAVideoSoftwareRendererGetPixels
406#ifdef COLOR_16_BIT
407	*stride = GB_VIDEO_HORIZONTAL_PIXELS;
408	if (!softwareRenderer->temporaryBuffer) {
409		softwareRenderer->temporaryBuffer = anonymousMemoryMap(GB_VIDEO_HORIZONTAL_PIXELS * GB_VIDEO_VERTICAL_PIXELS * 4);
410	}
411	*pixels = softwareRenderer->temporaryBuffer;
412	unsigned y, x;
413	for (y = 0; y < GB_VIDEO_VERTICAL_PIXELS; ++y) {
414		for (x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; ++x) {
415			color_t inColor = softwareRenderer->outputBuffer[softwareRenderer->outputBufferStride * y + x];
416			uint32_t outColor;
417#ifdef COLOR_5_6_5
418			outColor = (inColor & 0x1F) << 19;
419			outColor |= (inColor & 0x7C0) << 5;
420			outColor |= (inColor & 0xF800) >> 8;
421#else
422			outColor = (inColor & 0x1F) << 3;
423			outColor |= (inColor & 0x3E0) << 6;
424			outColor |= (inColor & 0x7C00) << 9;
425#endif
426			softwareRenderer->temporaryBuffer[GB_VIDEO_HORIZONTAL_PIXELS * y + x] = outColor;
427		}
428	}
429#else
430	*stride = softwareRenderer->outputBufferStride;
431	*pixels = softwareRenderer->outputBuffer;
432#endif
433}