Ported the latest changes from PCem.

2021-07-05 01:21:02 +02:00
parent 87f8029378
commit 6acbf62f42
8 changed files with 5225 additions and 7 deletions
--- a/src/include/86box/vid_voodoo_common.h
+++ b/src/include/86box/vid_voodoo_common.h
@@ -296,6 +296,7 @@ typedef struct voodoo_t
        int swap_pending;

        int bilinear_enabled;
+		int dithersub_enabled;

        int fb_size;
        uint32_t fb_mask;
--- a/src/include/86box/vid_voodoo_dither.h
+++ b/src/include/86box/vid_voodoo_dither.h
--- a/src/include/86box/vid_voodoo_regs.h
+++ b/src/include/86box/vid_voodoo_regs.h
@@ -369,6 +369,7 @@ enum
        FBZ_DRAW_MASK  = 0xc000,

        FBZ_DEPTH_BIAS = (1 << 16),
+		FBZ_DITHER_SUB = (1 << 19),

        FBZ_DEPTH_SOURCE = (1 << 20),

@@ -689,3 +690,4 @@ enum
 #define depth_op ( (params->fbzMode >> 5) & 7)
 #define dither ( params->fbzMode & FBZ_DITHER)
 #define dither2x2 (params->fbzMode & FBZ_DITHER_2x2)
+#define dithersub (params->fbzMode & FBZ_DITHER_SUB)