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-rw-r--r--plugins/gpulib/gpu.c68
1 files changed, 42 insertions, 26 deletions
diff --git a/plugins/gpulib/gpu.c b/plugins/gpulib/gpu.c
index b300c88..53fe0bc 100644
--- a/plugins/gpulib/gpu.c
+++ b/plugins/gpulib/gpu.c
@@ -367,46 +367,62 @@ static void finish_vram_transfer(int is_read)
static noinline int do_cmd_list_skip(uint32_t *data, int count, int *last_cmd)
{
- int cmd = 0, pos = 0, len, dummy;
+ int cmd = 0, pos = 0, len, dummy, v;
int skip = 1;
gpu.frameskip.pending_fill[0] = 0;
- // XXX: polylines are not properly handled
while (pos < count && skip) {
uint32_t *list = data + pos;
cmd = list[0] >> 24;
len = 1 + cmd_lengths[cmd];
- if (cmd == 0x02) {
- if ((list[2] & 0x3ff) > gpu.screen.w || ((list[2] >> 16) & 0x1ff) > gpu.screen.h)
- // clearing something large, don't skip
- do_cmd_list(list, 3, &dummy);
- else
- memcpy(gpu.frameskip.pending_fill, list, 3 * 4);
- }
- else if ((cmd & 0xf4) == 0x24) {
- // flat textured prim
- gpu.ex_regs[1] &= ~0x1ff;
- gpu.ex_regs[1] |= list[4] & 0x1ff;
- }
- else if ((cmd & 0xf4) == 0x34) {
- // shaded textured prim
- gpu.ex_regs[1] &= ~0x1ff;
- gpu.ex_regs[1] |= list[5] & 0x1ff;
+ switch (cmd) {
+ case 0x02:
+ if ((list[2] & 0x3ff) > gpu.screen.w || ((list[2] >> 16) & 0x1ff) > gpu.screen.h)
+ // clearing something large, don't skip
+ do_cmd_list(list, 3, &dummy);
+ else
+ memcpy(gpu.frameskip.pending_fill, list, 3 * 4);
+ break;
+ case 0x24 ... 0x27:
+ case 0x2c ... 0x2f:
+ case 0x34 ... 0x37:
+ case 0x3c ... 0x3f:
+ gpu.ex_regs[1] &= ~0x1ff;
+ gpu.ex_regs[1] |= list[4 + ((cmd >> 4) & 1)] & 0x1ff;
+ break;
+ case 0x48 ... 0x4F:
+ for (v = 3; pos + v < count; v++)
+ {
+ if ((list[v] & 0xf000f000) == 0x50005000)
+ break;
+ }
+ len += v - 3;
+ break;
+ case 0x58 ... 0x5F:
+ for (v = 4; pos + v < count; v += 2)
+ {
+ if ((list[v] & 0xf000f000) == 0x50005000)
+ break;
+ }
+ len += v - 4;
+ break;
+ default:
+ if (cmd == 0xe3)
+ skip = decide_frameskip_allow(list[0]);
+ if ((cmd & 0xf8) == 0xe0)
+ gpu.ex_regs[cmd & 7] = list[0];
+ break;
}
- else if (cmd == 0xe3)
- skip = decide_frameskip_allow(list[0]);
-
- if ((cmd & 0xf8) == 0xe0)
- gpu.ex_regs[cmd & 7] = list[0];
if (pos + len > count) {
cmd = -1;
break; // incomplete cmd
}
- if (cmd == 0xa0 || cmd == 0xc0)
+ if (0xa0 <= cmd && cmd <= 0xdf)
break; // image i/o
+
pos += len;
}
@@ -432,9 +448,9 @@ static noinline int do_cmd_buffer(uint32_t *data, int count)
}
cmd = data[pos] >> 24;
- if (cmd == 0xa0 || cmd == 0xc0) {
+ if (0xa0 <= cmd && cmd <= 0xdf) {
// consume vram write/read cmd
- start_vram_transfer(data[pos + 1], data[pos + 2], cmd == 0xc0);
+ start_vram_transfer(data[pos + 1], data[pos + 2], (cmd & 0xe0) == 0xc0);
pos += 3;
continue;
}