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Merge pull request #1522 from 86Box/tc1995

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Fixed the difference in handling the bresenham command between the 9440 and 96xx.
This commit is contained in:
Miran Grča
2021-07-04 00:39:30 +02:00
committed by GitHub
parent d9d745c58b 762dc8ea05
commit fdbdee8ac8
1 changed files with 5 additions and 4 deletions
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9
src/video/vid_tgui9440.c
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@@ -1561,9 +1561,10 @@ tgui_accel_command(int count, uint32_t cpu_dat, tgui_t *tgui)
while (count--) {
READ(tgui->accel.src_x + (tgui->accel.src_y * tgui->accel.pitch), src_dat);
/*Note by TC1995: I suppose the x/y clipping max is always more than 0 in the TGUI 96xx, but the TGUI 9440 lacks clipping*/
if (steep) {
if (dx >= tgui->accel.left && dx <= tgui->accel.right &&
dy >= tgui->accel.top && dy <= tgui->accel.bottom) {
if ((tgui->type == TGUI_9440) || (tgui->type >= TGUI_9680 && dx >= tgui->accel.left && dx <= tgui->accel.right &&
dy >= tgui->accel.top && dy <= tgui->accel.bottom)) {
READ(dx + (dy * tgui->accel.pitch), dst_dat);
pat_dat = tgui->accel.fg_col;
@@ -1578,8 +1579,8 @@ tgui_accel_command(int count, uint32_t cpu_dat, tgui_t *tgui)
WRITE(dx + (dy * tgui->accel.pitch), out);
}
} else {
if (dy >= tgui->accel.left && dy <= tgui->accel.right &&
dx >= tgui->accel.top && dx <= tgui->accel.bottom) {
if ((tgui->type == TGUI_9440) || (tgui->type >= TGUI_9680 && dy >= tgui->accel.left && dy <= tgui->accel.right &&
dx >= tgui->accel.top && dx <= tgui->accel.bottom)) {
READ(dy + (dx * tgui->accel.pitch), dst_dat);
pat_dat = tgui->accel.fg_col;