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sdl, complete overhaul of hardware/software scaling

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This commit is contained in:
kub 2021-09-10 18:46:05 +02:00
parent 6651998e9f
commit d5d1778252
21 changed files with 1233 additions and 547 deletions
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17
pico/mode4.c
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@ -291,7 +291,7 @@ void PicoFrameStartMode4(void)
}
if (Pico.est.rendstatus != rendstatus_old || lines != rendlines) {
emu_video_mode_change(screen_offset, lines, 1);
emu_video_mode_change(screen_offset, lines, line_offset, 256);
rendstatus_old = Pico.est.rendstatus;
rendlines = lines;
}
@ -352,6 +352,8 @@ void PicoDoHighPal555M4(void)
Pico.est.HighPal[0xe0] = 0;
}
#include <platform/common/upscale.h>
static void FinalizeLineRGB555M4(int line)
{
if (Pico.m.dirtyPal)
@ -364,15 +366,20 @@ static void FinalizeLineRGB555M4(int line)
static void FinalizeLine8bitM4(int line)
{
unsigned char *pd = Pico.est.DrawLineDest;
unsigned char *pd = Pico.est.DrawLineDest + line_offset;
unsigned char *ps = Pico.est.HighCol + line_offset + 8;
if (DrawLineDestIncrement)
memcpy(pd + line_offset, Pico.est.HighCol + line_offset + 8, 256);
if (DrawLineDestIncrement) {
if (PicoIn.opt & POPT_EN_SOFTSCALE)
rh_upscale_nn_4_5(pd, 320, ps, 256, 256, f_nop);
else
memcpy(pd, ps, 256);
}
}
void PicoDrawSetOutputMode4(pdso_t which)
{
line_offset = PicoIn.opt & POPT_DIS_32C_BORDER ? 0 : 32;
line_offset = PicoIn.opt & (POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE) ? 0 : 32;
switch (which)
{
case PDF_8BIT: FinalizeLineM4 = FinalizeLine8bitM4; break;