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1. Allow agpMoveCMD register reads

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2. Fix bad depth + 16-bit RGB565 writes
This commit is contained in:
Cacodemon345
2025-12-18 01:40:42 +06:00
parent 73f531a8f9
commit 62a116586f
2 changed files with 9 additions and 1 deletions
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6
src/video/vid_voodoo_banshee.c
View File

@@ -129,6 +129,7 @@ typedef struct banshee_t {
uint32_t agpHostAddressLow;
uint32_t agpGraphicsAddress;
uint32_t agpGraphicsStride;
uint32_t agpMoveCMD;
int overlay_pix_fmt;
@@ -1372,6 +1373,10 @@ banshee_cmd_read(banshee_t *banshee, uint32_t addr)
ret = banshee->agpReqSize;
break;
case Agp_agpMoveCMD:
ret = banshee->agpMoveCMD;
break;
case cmdBaseAddr0:
ret = voodoo->cmdfifo_base >> 12;
#if 0
@@ -1694,6 +1699,7 @@ banshee_cmd_write(void *priv, uint32_t addr, uint32_t val)
#if 0
banshee_log("AGP: %d bytes W%d from %08x S%d to %d:%08x S%d\n", src_end - src_addr, src_width, src_addr, src_stride, (val >> 3) & 3, dest_addr, dest_stride);
#endif
banshee->agpMoveCMD = val;
switch ((val >> 3) & 3) {
case 0: /*Linear framebuffer (Banshee)*/
case 1: /*Planar YUV*/

4
src/video/vid_voodoo_fb.c
View File

@@ -373,7 +373,6 @@ voodoo_fb_writel(uint32_t addr, uint32_t val, void *priv)
colour_data[0].b = val & 0xff;
colour_data[0].g = (val >> 8) & 0xff;
colour_data[0].r = (val >> 16) & 0xff;
alpha_data[0] = 0xff;
write_mask = LFB_WRITE_COLOUR;
addr >>= 1;
break;
@@ -383,12 +382,14 @@ voodoo_fb_writel(uint32_t addr, uint32_t val, void *priv)
depth_data[0] = val >> 16;
write_mask = LFB_WRITE_BOTH;
count = 1;
addr >>= 1;
break;
case LFB_FORMAT_DEPTH_RGB555:
colour_data[0] = argb1555[val & 0xffff];
depth_data[0] = val >> 16;
write_mask = LFB_WRITE_BOTH;
count = 1;
addr >>= 1;
break;
case LFB_FORMAT_DEPTH_ARGB1555:
colour_data[0] = argb1555[val & 0xffff];
@@ -396,6 +397,7 @@ voodoo_fb_writel(uint32_t addr, uint32_t val, void *priv)
depth_data[0] = val >> 16;
write_mask = LFB_WRITE_BOTH;
count = 1;
addr >>= 1;
break;
case LFB_FORMAT_DEPTH: