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sms, add fast renderer, remove 1st column (8 px) if blanked

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kub 2022-09-21 23:26:48 +00:00
parent 23e4719638
commit 96948bdfc8
15 changed files with 454 additions and 181 deletions
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5
platform/libretro/libretro.c
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@ -535,7 +535,7 @@ void emu_video_mode_change(int start_line, int line_count, int start_col, int co
// calculate the borders of the real image inside the picodrive image
vout_width = (vout_16bit ? VOUT_MAX_WIDTH : VOUT_8BIT_WIDTH);
vout_height = (vout_16bit ? VOUT_MAX_HEIGHT : VOUT_8BIT_HEIGHT);
vout_offset = (vout_16bit ? 0 : 8); // 8bit has 8 px overlap area on the left
vout_offset = (vout_16bit ? 0 : col_count == 248 ? 16 : 8); // 8bit has overlap area on the left
padding = (struct retro_hw_ps2_insets){start_line, vout_offset, vout_height - line_count - start_line, vout_width - col_count - vout_offset};
int pxsz = (vout_16bit ? 2 : 1); // pixel size: RGB = 16 bits, CLUT = 8 bits
@ -2247,6 +2247,9 @@ void retro_run(void)
int x;
if (Pico.m.dirtyPal)
PicoDrawUpdateHighPal();
/* 8 bit renderers have an extra offset for SMS wíth 1st tile blanked */
if (vout_width == 248)
ps += 8;
/* Copy, and skip the leftmost 8 columns again */
for (i = 0; i < vout_height; i++, ps += 8) {
for (x = 0; x < vout_width; x+=4) {