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use 512-palette table for emphasis

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This commit is contained in:
negativeExponent
2024-10-15 17:02:00 +08:00
committed by LibretroAdmin
parent e226068f97
commit ac798e1ba4
2 changed files with 20 additions and 6 deletions
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2
src/driver.h
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@@ -32,7 +32,7 @@ void FCEU_printf(char *format, ...);
#define FCEUI_printf FCEU_printf
/* Video interface */
void FCEUD_SetPalette(uint8 index, uint8 r, uint8 g, uint8 b);
void FCEUD_SetPalette(uint16 index, uint8 r, uint8 g, uint8 b);
/* Displays an error. Can block or not. */
void FCEUD_PrintError(char *s);

24
src/drivers/libretro/libretro.c
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@@ -197,7 +197,7 @@ static bool opt_showAdvSystemOptions = true;
#if defined(PSP) || defined(PS2)
static __attribute__((aligned(16))) uint16_t retro_palette[256];
#else
static uint16_t retro_palette[256];
static uint16_t retro_palette[1024];
#endif
#if defined(RENDER_GSKIT_PS2)
static uint8_t* fceu_video_out;
@@ -271,9 +271,9 @@ const char * GetKeyboard(void)
#define BLUE_EXPAND 3
#endif
void FCEUD_SetPalette(uint8_t index, uint8_t r, uint8_t g, uint8_t b)
void FCEUD_SetPalette(uint16 index, uint8_t r, uint8_t g, uint8_t b)
{
unsigned char index_to_write = index;
uint16 index_to_write = index;
#if defined(RENDER_GSKIT_PS2)
/* Index correction for PS2 GS */
int modi = index & 63;
@@ -1771,6 +1771,15 @@ static void retro_set_custom_palette(void)
color.b = 0;
FCEUD_SetPalette( i, color.r, color.g, color.b);
}
#if !defined(PSP) || !defined(PS2)
for (i = 0; i < 512; i++)
{
color.r = (((i >> 0) & 0xF) * 255) / 15;
color.g = (((i >> 4) & 0x3) * 255) / 3;
color.b = (((i >> 6) & 0x7) * 255 / 7);
FCEUD_SetPalette( 256 + i, color.r, color.g, color.b);
}
#endif
}
/* setup palette presets */
@@ -2891,8 +2900,13 @@ static void retro_run_blit(uint8_t *gfx)
{
uint8_t *deemp = XDBuf + (gfx - XBuf);
for (y = 0; y < height; y++, gfx += incr, deemp += incr)
for (x = 0; x < width; x++, gfx++, deemp++)
fceu_video_out[y * width + x] = retro_palette[*gfx & 0x3F] | (*deemp << 2);
for (x = 0; x < width; x++, gfx++, deemp++) {
if (*deemp != 0) {
fceu_video_out[y * width + x] = retro_palette[256 + (*gfx & 0x3F) + ((*deemp & 0x07) << 6)];
} else {
fceu_video_out[y * width + x] = retro_palette[*gfx & 0x3F];
}
}
}
else
{