gpu_neon: fix texels vs pixels confusion
[pcsx_rearmed.git] / libpcsxcore / gpu.h
... / ...
CommitLineData
1/* Pcsx - Pc Psx Emulator
2 * Copyright (C) 1999-2016 Pcsx Team
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses>.
16 */
17
18/*
19 * q: Why bother with GPU stuff in a plugin-based emu core?
20 * a: mostly because of busy bits, we have all the needed timing info
21 * that GPU plugin doesn't.
22 */
23
24#ifndef __GPU_H__
25#define __GPU_H__
26
27#define PSXGPU_LCF (1<<31)
28#define PSXGPU_nBUSY (1<<26)
29#define PSXGPU_ILACE (1<<22)
30#define PSXGPU_DHEIGHT (1<<19)
31
32// both must be set for interlace to work
33#define PSXGPU_ILACE_BITS (PSXGPU_ILACE | PSXGPU_DHEIGHT)
34
35#define HW_GPU_STATUS psxHu32ref(0x1814)
36
37// TODO: handle com too
38#define PSXGPU_TIMING_BITS (PSXGPU_LCF | PSXGPU_nBUSY)
39
40#define gpuSyncPluginSR() { \
41 HW_GPU_STATUS &= SWAP32(PSXGPU_TIMING_BITS); \
42 HW_GPU_STATUS |= SWAP32(GPU_readStatus() & ~PSXGPU_TIMING_BITS); \
43}
44
45#endif /* __GPU_H__ */