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Port PR#199 from pcem to 86Box.

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Source: https://github.com/sarah-walker-pcem/pcem/pull/199
This commit is contained in:
Marek Knápek
2023-02-19 18:47:43 +01:00
parent 1ad8d1870b
commit 4248d80040
2 changed files with 19 additions and 29 deletions
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16
src/video/vid_voodoo_display.c
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@@ -14,6 +14,7 @@
*
* Copyright 2008-2020 Sarah Walker.
*/
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdint.h>
@@ -373,8 +374,9 @@ voodoo_filterline_v1(voodoo_t *voodoo, uint8_t *fil, int column, uint16_t *src,
int x;
// Scratchpad for avoiding feedback streaks
uint8_t *fil3 = malloc((voodoo->h_disp) * 3);
uint8_t fil3[4096 * 3];
assert(voodoo->h_disp <= 4096);
/* 16 to 32-bit */
for (x = 0; x < column; x++) {
fil[x * 3] = ((src[x] & 31) << 3);
@@ -422,8 +424,6 @@ voodoo_filterline_v1(voodoo_t *voodoo, uint8_t *fil, int column, uint16_t *src,
fil[(x) *3 + 1] = voodoo->thefilterg[fil3[x * 3 + 1]][fil3[(x + 1) * 3 + 1]];
fil[(x) *3 + 2] = voodoo->thefilter[fil3[x * 3 + 2]][fil3[(x + 1) * 3 + 2]];
}
free(fil3);
}
static void
@@ -432,8 +432,9 @@ voodoo_filterline_v2(voodoo_t *voodoo, uint8_t *fil, int column, uint16_t *src,
int x;
// Scratchpad for blending filter
uint8_t *fil3 = malloc((voodoo->h_disp) * 3);
uint8_t fil3[4096 * 3];
assert(voodoo->h_disp <= 4096);
/* 16 to 32-bit */
for (x = 0; x < column; x++) {
// Blank scratchpads
@@ -487,8 +488,6 @@ voodoo_filterline_v2(voodoo_t *voodoo, uint8_t *fil, int column, uint16_t *src,
fil3[(column - 1) * 3] = voodoo->thefilterb[fil[(column - 1) * 3]][((src[column] & 31) << 3)];
fil3[(column - 1) * 3 + 1] = voodoo->thefilterg[fil[(column - 1) * 3 + 1]][(((src[column] >> 5) & 63) << 2)];
fil3[(column - 1) * 3 + 2] = voodoo->thefilter[fil[(column - 1) * 3 + 2]][(((src[column] >> 11) & 31) << 3)];
free(fil3);
}
void
@@ -537,8 +536,9 @@ voodoo_callback(void *p)
monitor->target_buffer->line[voodoo->line + 8][x] = 0x00000000;
if (voodoo->scrfilter && voodoo->scrfilterEnabled) {
uint8_t *fil = malloc((voodoo->h_disp) * 3); /* interleaved 24-bit RGB */
uint8_t fil[4096 * 3]; /* interleaved 24-bit RGB */
assert(voodoo->h_disp <= 4096);
if (voodoo->type == VOODOO_2)
voodoo_filterline_v2(voodoo, fil, voodoo->h_disp, src, voodoo->line);
else
@@ -547,8 +547,6 @@ voodoo_callback(void *p)
for (x = 0; x < voodoo->h_disp; x++) {
p[x] = (voodoo->clutData256[fil[x * 3]].b << 0 | voodoo->clutData256[fil[x * 3 + 1]].g << 8 | voodoo->clutData256[fil[x * 3 + 2]].r << 16);
}
free(fil);
} else {
for (x = 0; x < voodoo->h_disp; x++) {
p[x] = draw_voodoo->video_16to32[src[x]];