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Diffstat (limited to 'firmware/target/arm/as3525/lcd-fuze.c')
-rw-r--r--firmware/target/arm/as3525/lcd-fuze.c80
1 files changed, 0 insertions, 80 deletions
diff --git a/firmware/target/arm/as3525/lcd-fuze.c b/firmware/target/arm/as3525/lcd-fuze.c
index a1ccea348d..b1f62a1c95 100644
--- a/firmware/target/arm/as3525/lcd-fuze.c
+++ b/firmware/target/arm/as3525/lcd-fuze.c
@@ -197,86 +197,6 @@ static void lcd_window_y(int ymin, int ymax)
197 lcd_write_reg(R_RAM_ADDR_SET, ymin); 197 lcd_write_reg(R_RAM_ADDR_SET, ymin);
198} 198}
199 199
200static unsigned lcd_yuv_options = 0;
201
202void lcd_yuv_set_options(unsigned options)
203{
204 lcd_yuv_options = options;
205}
206
207
208#ifndef BOOTLOADER
209/* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */
210extern void lcd_write_yuv420_lines(unsigned char const * const src[3],
211 int width,
212 int stride);
213extern void lcd_write_yuv420_lines_odither(unsigned char const * const src[3],
214 int width,
215 int stride,
216 int x_screen, /* To align dither pattern */
217 int y_screen);
218
219/* Performance function to blit a YUV bitmap directly to the LCD
220 * src_x, src_y, width and height should be even
221 * x, y, width and height have to be within LCD bounds
222 */
223void lcd_blit_yuv(unsigned char * const src[3],
224 int src_x, int src_y, int stride,
225 int x, int y, int width, int height)
226{
227 unsigned char const * yuv_src[3];
228 off_t z;
229
230 /* Sorry, but width and height must be >= 2 or else */
231 width &= ~1;
232 height >>= 1;
233
234 z = stride*src_y;
235 yuv_src[0] = src[0] + z + src_x;
236 yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1);
237 yuv_src[2] = src[2] + (yuv_src[1] - src[1]);
238
239 lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_VIDEO);
240
241 lcd_window_x(x, x + width - 1);
242
243 if (lcd_yuv_options & LCD_YUV_DITHER)
244 {
245 do
246 {
247 lcd_window_y(y, y + 1);
248
249 lcd_write_cmd(R_WRITE_DATA_2_GRAM);
250
251 lcd_write_yuv420_lines_odither(yuv_src, width, stride, x, y);
252 yuv_src[0] += stride << 1; /* Skip down two luma lines */
253 yuv_src[1] += stride >> 1; /* Skip down one chroma line */
254 yuv_src[2] += stride >> 1;
255 y += 2;
256 }
257 while (--height > 0);
258 }
259 else
260 {
261 do
262 {
263 lcd_window_y(y, y + 1);
264
265 lcd_write_cmd(R_WRITE_DATA_2_GRAM);
266
267 lcd_write_yuv420_lines(yuv_src, width, stride);
268 yuv_src[0] += stride << 1; /* Skip down two luma lines */
269 yuv_src[1] += stride >> 1; /* Skip down one chroma line */
270 yuv_src[2] += stride >> 1;
271 y += 2;
272 }
273 while (--height > 0);
274 }
275}
276
277#endif
278
279
280/* Update the display. 200/* Update the display.
281 This must be called after all other LCD functions that change the display. */ 201 This must be called after all other LCD functions that change the display. */
282void lcd_update(void) 202void lcd_update(void)