diff options
Diffstat (limited to 'plugins/gpu_neon/gpu.h')
| -rw-r--r-- | plugins/gpu_neon/gpu.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/plugins/gpu_neon/gpu.h b/plugins/gpu_neon/gpu.h new file mode 100644 index 0000000..ebf2640 --- /dev/null +++ b/plugins/gpu_neon/gpu.h @@ -0,0 +1,67 @@ +/* + * (C) GraÅžvydas "notaz" Ignotas, 2011 + * + * This work is licensed under the terms of any of these licenses + * (at your option): + * - GNU GPL, version 2 or later. + * - GNU LGPL, version 2.1 or later. + * See the COPYING file in the top-level directory. + */ + +#include <stdint.h> + +#define CMD_BUFFER_LEN 1024 + +struct psx_gpu { + uint16_t vram[1024 * 512]; + uint16_t guard[1024 * 512]; // overdraw guard + uint32_t cmd_buffer[CMD_BUFFER_LEN]; + uint32_t regs[16]; + union { + uint32_t reg; + struct { + uint32_t tx:4; // 0 texture page + uint32_t ty:1; + uint32_t abr:2; + uint32_t tp:2; // 7 t.p. mode (4,8,15bpp) + uint32_t dtd:1; // 9 dither + uint32_t dfe:1; + uint32_t md:1; // 11 set mask bit when drawing + uint32_t me:1; // 12 no draw on mask + uint32_t unkn:3; + uint32_t width1:1; // 16 + uint32_t width0:2; + uint32_t dheight:1; // 19 double height + uint32_t video:1; // 20 NTSC,PAL + uint32_t rgb24:1; + uint32_t interlace:1; // 22 interlace on + uint32_t blanking:1; // 23 display not enabled + uint32_t unkn2:2; + uint32_t busy:1; // 26 !busy drawing + uint32_t img:1; // 27 ready to DMA image data + uint32_t com:1; // 28 ready for commands + uint32_t dma:2; // 29 off, ?, to vram, from vram + uint32_t lcf:1; // 31 + }; + } status; + struct { + int x, y, w, h; + int y1, y2; + } screen; + struct { + int x, y, w, h; + int offset; + } dma; + int cmd_len; + const uint32_t *lcf_hc; + uint32_t zero; +}; + +extern struct psx_gpu gpu; + +extern const unsigned char cmd_lengths[256]; + +void do_cmd_list(uint32_t *list, int count); + +int vout_init(void); +int vout_finish(void); |