| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2010 PCSX4ALL Team * |
| 3 | * Copyright (C) 2010 Unai * |
| 4 | * Copyright (C) 2016 Senquack (dansilsby <AT> gmail <DOT> com) * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the * |
| 18 | * Free Software Foundation, Inc., * |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * |
| 20 | ***************************************************************************/ |
| 21 | |
| 22 | #ifndef GPU_UNAI_GPU_H |
| 23 | #define GPU_UNAI_GPU_H |
| 24 | |
| 25 | struct gpu_unai_config_t { |
| 26 | uint8_t pixel_skip:1; // If 1, allows skipping rendering pixels that |
| 27 | // would not be visible when a high horizontal |
| 28 | // resolution PS1 video mode is set. |
| 29 | // Only applies to devices with low resolutions |
| 30 | // like 320x240. Should not be used if a |
| 31 | // down-scaling framebuffer blitter is in use. |
| 32 | // Can cause gfx artifacts if game reads VRAM |
| 33 | // to do framebuffer effects. |
| 34 | |
| 35 | uint8_t ilace_force:3; // Option to force skipping rendering of lines, |
| 36 | // for very slow platforms. Value will be |
| 37 | // assigned to 'ilace_mask' in gpu_unai struct. |
| 38 | // Normally 0. Value '1' will skip rendering |
| 39 | // odd lines. |
| 40 | |
| 41 | uint8_t lighting:1; |
| 42 | uint8_t fast_lighting:1; |
| 43 | uint8_t blending:1; |
| 44 | uint8_t dithering:1; |
| 45 | |
| 46 | //senquack Only PCSX Rearmed's version of gpu_unai had this, and I |
| 47 | // don't think it's necessary. It would require adding 'AH' flag to |
| 48 | // gpuSpriteSpanFn() increasing size of sprite span function array. |
| 49 | //uint8_t enableAbbeyHack:1; // Abe's Odyssey hack |
| 50 | |
| 51 | //////////////////////////////////////////////////////////////////////////// |
| 52 | // Variables used only by older standalone version of gpu_unai (gpu.cpp) |
| 53 | #ifndef USE_GPULIB |
| 54 | uint8_t prog_ilace:1; // Progressive interlace option (old option) |
| 55 | // This option was somewhat oddly named: |
| 56 | // When in interlaced video mode, on a low-res |
| 57 | // 320x240 device, only the even lines are |
| 58 | // rendered. This option will take that one |
| 59 | // step further and only render half the even |
| 60 | // even lines one frame, and then the other half. |
| 61 | uint8_t frameskip_count:3; // Frame skip (0..7) |
| 62 | #endif |
| 63 | }; |
| 64 | |
| 65 | extern gpu_unai_config_t gpu_unai_config_ext; |
| 66 | |
| 67 | // TODO: clean up show_fps frontend option |
| 68 | extern bool show_fps; |
| 69 | |
| 70 | #endif // GPU_UNAI_GPU_H |