X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fdos%2Fgfx.c;h=c2e4f8decd2f974b92cf0ddbbcfdb3ae1a3d2221;hb=a5c65ceb155188c8acee31a475f8db9f5b58f4b6;hp=558646b73001943f204731954e51db97afc27f11;hpb=8a64d603ee67cd98070360b40938e123ea845154;p=dosdemo diff --git a/src/dos/gfx.c b/src/dos/gfx.c index 558646b..c2e4f8d 100644 --- a/src/dos/gfx.c +++ b/src/dos/gfx.c @@ -6,16 +6,23 @@ #include #include #include "vbe.h" -#include "dpmi.h" -#include "logger.h" +#include "cdpmi.h" +#ifdef __DJGPP__ +#include + +#define REALPTR(s, o) (void*)(((uint32_t)(s) << 4) - __djgpp_base_address + (uint32_t)(o)) +#else #define REALPTR(s, o) (void*)(((uint32_t)(s) << 4) + (uint32_t)(o)) +#endif + #define VBEPTR(x) REALPTR(((x) & 0xffff0000) >> 16, (x) & 0xffff) #define VBEPTR_SEG(x) (((x) & 0xffff0000) >> 16) #define VBEPTR_OFF(x) ((x) & 0xffff) #define SAME_BPP(a, b) \ - ((a) == (b) || (a) == 16 && (b) == 15 || (a) == 15 && (b) == 16 || (a) == 32 && (b) == 24 || (a) == 24 && (b) == 32) + ((a) == (b) || ((a) == 16 && (b) == 15) || ((a) == 15 && (b) == 16) || \ + ((a) == 32 && (b) == 24) || ((a) == 24 && (b) == 32)) static unsigned int make_mask(int sz, int pos); @@ -26,9 +33,14 @@ static int pal_bits = 6; void *set_video_mode(int xsz, int ysz, int bpp) { int i; - uint16_t *modes, best = 0; + static uint16_t *modes; + uint16_t best = 0; unsigned int fbsize; +#ifdef __DJGPP__ + __djgpp_nearptr_enable(); +#endif + /* check for VBE2 support and output some info */ if(!vbe_info) { if(!(vbe_info = vbe_get_info())) { @@ -36,15 +48,15 @@ void *set_video_mode(int xsz, int ysz, int bpp) return 0; } - printlog("VBE Version: %x.%x\n", vbe_info->version >> 8, vbe_info->version & 0xff); + printf("VBE Version: %x.%x\n", vbe_info->version >> 8, vbe_info->version & 0xff); if(vbe_info->version < 0x200) { fprintf(stderr, "This program requires VBE 2.0 or greater. Try running UniVBE\n"); return 0; } - printlog("Graphics adapter: %s, %s (%s)\n", VBEPTR(vbe_info->oem_vendor_name_ptr), - VBEPTR(vbe_info->oem_product_name_ptr), VBEPTR(vbe_info->oem_product_rev_ptr)); - printlog("Video memory: %dkb\n", vbe_info->total_mem << 6); + printf("Graphics adapter: %s, %s (%s)\n", (char*)VBEPTR(vbe_info->oem_vendor_name_ptr), + (char*)VBEPTR(vbe_info->oem_product_name_ptr), (char*)VBEPTR(vbe_info->oem_product_rev_ptr)); + printf("Video memory: %dkb\n", vbe_info->total_mem << 6); modes = VBEPTR(vbe_info->vid_mode_ptr); } @@ -78,7 +90,7 @@ void *set_video_mode(int xsz, int ysz, int bpp) /* attempt to set 8 bits of color per component in palettized modes */ /*if(bpp <= 8) { pal_bits = vbe_set_palette_bits(8); - printlog("palette bits per color primary: %d\n", pal_bits); + printf("palette bits per color primary: %d\n", pal_bits); } */ @@ -142,21 +154,6 @@ void set_palette(int idx, int r, int g, int b) vbe_set_palette(idx, col, 1, pal_bits); } -void wait_vsync(void) -{ - __asm { - mov dx, 0x3da - l1: - in al, dx - and al, 0x8 - jnz l1 - l2: - in al, dx - and al, 0x8 - jz l2 - } -} - static unsigned int make_mask(int sz, int pos) { unsigned int i, mask = 0;