/* * (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 #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; uint32_t gp0; uint32_t ex_regs[8]; struct { int hres, vres; int x, y, w, h; int x1, x2; int y1, y2; } screen; struct { int x, y, w, h; int offset; } dma; int cmd_len; const uint32_t *lcf_hc; uint32_t zero; struct { uint32_t fb_dirty:1; } state; struct { uint32_t enabled:1; uint32_t active:1; uint32_t frame_ready:1; const int *advice; } frameskip; }; 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);