diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/gpulib/gpu.c | 68 |
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; } |