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Add 256x192 snn upscale function (Fuse core) (#14667)

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Added snn function to upscale Fuse (ZX Spectrum) core borderless output to 320x240
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andymcca 2022-11-24 18:54:24 +00:00 committed by GitHub
parent 88c1e276a3
commit 8368c2daad
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 41 additions and 1 deletions
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42
gfx/video_filters/picoscale_256x_320x240.c
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@ -36,6 +36,9 @@
typedef struct
{
void (*upscale_256_320x192_240)(
uint16_t *PICOSCALE_restrict di, uint16_t ds,
const uint16_t *PICOSCALE_restrict si, uint16_t ss);
void (*upscale_256_320x224_240)(
uint16_t *PICOSCALE_restrict di, uint16_t ds,
const uint16_t *PICOSCALE_restrict si, uint16_t ss);
@ -221,6 +224,36 @@ void picoscale_upscale_rgb_snn_256_320x224_240(uint16_t *PICOSCALE_restrict di,
memset(di + ds, 0, sizeof(uint16_t) * ds);
}
/* 256x192 -> 320x240, Fuse (ZX Spectrum) snn upscaler added by andymcca */
void picoscale_upscale_rgb_snn_256_320x192_240(uint16_t *PICOSCALE_restrict di, uint16_t ds,
const uint16_t *PICOSCALE_restrict si, uint16_t ss)
{
uint16_t y, j;
for (y = 0; y < 192; y += 4) // From 192 lines read 4 lines at a time, write 5 lines per loop, 5x48 = 240
{
// First two lines
PICOSCALE_H_UPSCALE_SNN_4_5(di, ds, si, ss, 256, PICOSCALE_F_NOP);
PICOSCALE_H_UPSCALE_SNN_4_5(di, ds, si, ss, 256, PICOSCALE_F_NOP);
// Blank line
di += ds;
// Next two lines
PICOSCALE_H_UPSCALE_SNN_4_5(di, ds, si, ss, 256, PICOSCALE_F_NOP);
PICOSCALE_H_UPSCALE_SNN_4_5(di, ds, si, ss, 256, PICOSCALE_F_NOP);
/* mix lines 2-4 */
di -= ds*3;
PICOSCALE_V_MIX(&di[0], &di[-ds], &di[ds], 320, PICOSCALE_P_05, PICOSCALE_F_NOP);
PICOSCALE_V_MIX(&di[-ds], &di[-2*ds], &di[-ds], 320, PICOSCALE_P_05, PICOSCALE_F_NOP);
PICOSCALE_V_MIX(&di[ ds], &di[ ds], &di[ 2*ds], 320, PICOSCALE_P_05, PICOSCALE_F_NOP);
di += ds*3;
}
}
void picoscale_upscale_rgb_bl2_256_320x224_240(uint16_t *PICOSCALE_restrict di, uint16_t ds,
const uint16_t *PICOSCALE_restrict si, uint16_t ss)
{
@ -328,6 +361,7 @@ static void picoscale_256x_320x240_initialize(struct filter_data *filt,
char *filter_type = NULL;
/* Assign default scaling functions */
filt->functions.upscale_256_320x192_240 = picoscale_upscale_rgb_snn_256_320x192_240;
filt->functions.upscale_256_320x224_240 = picoscale_upscale_rgb_snn_256_320x224_240;
filt->functions.upscale_256_320x___ = picoscale_upscale_rgb_snn_256_320x___;
@ -384,7 +418,7 @@ static void picoscale_256x_320x240_generic_output(void *data,
unsigned width, unsigned height)
{
if ((width == 256) &&
((height == 224) || (height == 240) || (height == 239)))
((height == 224) || (height == 240) || (height == 192) || (height == 239)))
{
*out_width = 320;
*out_height = 240;
@ -424,6 +458,12 @@ static void picoscale_256x_320x240_work_cb_rgb565(void *data, void *thread_data)
filt->functions.upscale_256_320x224_240(output, out_stride, input, in_stride);
return;
}
else if (height == 192)
{
filt->functions.upscale_256_320x192_240(output, out_stride, input, in_stride);
return;
}
else if (height == 240)
{
filt->functions.upscale_256_320x___(output, out_stride, input, in_stride, 240);