mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 07:17:45 -04:00
new 32x renderers, auto fskip change, massive refactoring
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@855 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
9bb5d91c48
commit
5a68108691
35 changed files with 925 additions and 307 deletions
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@ -148,6 +148,26 @@ void PicoReset32x(void)
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static void p32x_start_blank(void)
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{
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if (Pico32xDrawMode != 0) {
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if ((Pico32x.vdp_regs[0] & P32XV_Mx) != 0 && // 32x not blanking
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(Pico.video.reg[12] & 1) && // 40col mode
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(PicoDrawMask & PDRAW_32X_ON))
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{
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int md_bg = Pico.video.reg[7] & 0x3f;
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int offs = 8, lines = 224;
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if (Pico.video.reg[1] & 8) {
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offs = 0;
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lines = 240;
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}
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// we draw full layer (not line-by-line)
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PicoDraw32xLayer(offs, lines, md_bg);
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}
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else {
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// TODO: MD layer only?
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}
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}
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// enter vblank
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Pico32x.vdp_regs[0x0a/2] |= P32XV_VBLK|P32XV_PEN;
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277
pico/32x/draw.c
277
pico/32x/draw.c
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@ -1,5 +1,9 @@
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#include "../pico_int.h"
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int (*PicoScan32xBegin)(unsigned int num);
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int (*PicoScan32xEnd)(unsigned int num);
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int Pico32xDrawMode;
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static void convert_pal555(int invert_prio)
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{
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unsigned int *ps = (void *)Pico32xMem->pal;
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@ -22,49 +26,87 @@ static void convert_pal555(int invert_prio)
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Pico32x.dirty_pal = 0;
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}
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// direct color mode
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#define do_line_dc(pd, p32x, pmd, inv, pmd_draw_code) \
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{ \
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const unsigned int m1 = 0x001f; \
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const unsigned int m2 = 0x03e0; \
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const unsigned int m3 = 0x7c00; \
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int i; \
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\
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for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \
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unsigned short t = *p32x; \
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if (*pmd != mdbg && !((t ^ inv) & 0x8000)) { \
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pmd_draw_code; \
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continue; \
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} \
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\
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*pd = ((t & m1) << 11) | ((t & m2) << 1) | ((t & m3) >> 10); \
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} \
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}
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// packed pixel mode
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#define do_line_pp(pd, p32x, pmd, pmd_draw_code) \
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{ \
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unsigned short t; \
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int i; \
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for (i = 320/2; i > 0; i--, p32x++) { \
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t = pal[*p32x >> 8]; \
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if (*pmd == mdbg || (t & 0x20)) \
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*pd = t; \
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else \
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pmd_draw_code; \
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pd++; pmd++; \
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t = pal[*p32x & 0xff]; \
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if (*pmd == mdbg || (t & 0x20)) \
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*pd = t; \
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else \
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pmd_draw_code; \
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pd++; pmd++; \
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} \
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}
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// run length mode
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#define do_line_rl(pd, p32x, pmd, pmd_draw_code) \
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{ \
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unsigned short len, t; \
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int i; \
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for (i = 320; i > 0; p32x++) { \
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t = pal[*p32x & 0xff]; \
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for (len = (*p32x >> 8) + 1; len > 0 && i > 0; len--, i--, pd++, pmd++) { \
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if (*pmd == mdbg || (t & 0x20)) \
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*pd = t; \
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else \
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pmd_draw_code; \
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} \
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} \
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}
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void FinalizeLine32xRGB555(int sh, int line)
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{
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unsigned short *pd = DrawLineDest;
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unsigned short *pal = Pico32xMem->pal_native;
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unsigned char *pb = HighCol + 8;
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unsigned short *dram, *ps, cram0;
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int i;
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unsigned char *pmd = HighCol + 8;
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unsigned short *dram, *p32x;
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unsigned char mdbg;
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// this is a bit hackish:
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// we swap cram color 0 with color that is used for background,
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// as bg is forced to 0 when we do 32X
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cram0 = Pico.cram[0];
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Pico.cram[0] = Pico.cram[Pico.video.reg[7] & 0x3f];
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FinalizeLine555(sh, line);
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FinalizeLineRGB555(sh, line);
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Pico.cram[0] = cram0;
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if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 0)
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return; // blanking
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// XXX: how is 32col mode hadled by real hardware?
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if (!(Pico.video.reg[12] & 1))
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return;
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if (!(PicoDrawMask & PDRAW_32X_ON))
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if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 0 || // 32x blanking
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// XXX: how is 32col mode hadled by real hardware?
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!(Pico.video.reg[12] & 1) || // 32col mode
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!(PicoDrawMask & PDRAW_32X_ON))
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{
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return;
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}
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dram = (void *)Pico32xMem->dram[Pico32x.vdp_regs[0x0a/2] & P32XV_FS];
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ps = dram + dram[line];
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p32x = dram + dram[line];
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mdbg = Pico.video.reg[7] & 0x3f;
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if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 2) { // Direct Color Mode
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int inv = (Pico32x.vdp_regs[0] & P32XV_PRI) ? 0x8000 : 0;
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unsigned int m1 = 0x001f001f;
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unsigned int m2 = 0x03e003e0;
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unsigned int m3 = 0xfc00fc00;
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for (i = 320; i > 0; i--, ps++, pd++, pb++) {
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unsigned short t = *ps;
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if (*pb != 0 && !((t ^ inv) & 0x8000))
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continue;
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*pd = ((t & m1) << 11) | ((t & m2) << 1) | ((t & m3) >> 10);
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}
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int inv_bit = (Pico32x.vdp_regs[0] & P32XV_PRI) ? 0x8000 : 0;
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do_line_dc(pd, p32x, pmd, inv_bit,);
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return;
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}
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@ -72,24 +114,163 @@ void FinalizeLine32xRGB555(int sh, int line)
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convert_pal555(Pico32x.vdp_regs[0] & P32XV_PRI);
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if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 1) { // Packed Pixel Mode
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unsigned short t;
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for (i = 320/2; i > 0; i--, ps++, pd += 2, pb += 2) {
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t = pal[*ps >> 8];
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if (pb[0] == 0 || (t & 0x20))
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pd[0] = t;
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t = pal[*ps & 0xff];
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if (pb[1] == 0 || (t & 0x20))
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pd[1] = t;
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}
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do_line_pp(pd, p32x, pmd,);
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}
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else { // Run Length Mode
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unsigned short len, t;
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for (i = 320; i > 0; ps++) {
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t = pal[*ps & 0xff];
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for (len = (*ps >> 8) + 1; len > 0 && i > 0; len--, i--, pd++, pb++)
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if (*pb == 0 || (t & 0x20))
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*pd = t;
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}
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do_line_rl(pd, p32x, pmd,);
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}
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}
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#define MD_LAYER_CODE \
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*dst = palmd[*pmd]
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#define PICOSCAN_PRE \
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PicoScan32xBegin(l + (lines_offs & 0xff)); \
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dst = DrawLineDest; \
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#define PICOSCAN_POST \
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PicoScan32xEnd(l + (lines_offs & 0xff)); \
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#define make_do_loop(name, pre_code, post_code, md_code) \
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/* Direct Color Mode */ \
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static void do_loop_dc##name(unsigned short *dst, \
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unsigned short *dram, int lines_offs, int mdbg) \
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{ \
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int inv_bit = (Pico32x.vdp_regs[0] & P32XV_PRI) ? 0x8000 : 0; \
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unsigned char *pmd = PicoDraw2FB + 328 * 8 + 8; \
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unsigned short *palmd = HighPal; \
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unsigned short *p32x; \
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int lines = lines_offs >> 16; \
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int l; \
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(void)palmd; \
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for (l = 0; l < lines; l++, pmd += 8) { \
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pre_code; \
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p32x = dram + dram[l]; \
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do_line_dc(dst, p32x, pmd, inv_bit, md_code); \
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post_code; \
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} \
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} \
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\
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/* Packed Pixel Mode */ \
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static void do_loop_pp##name(unsigned short *dst, \
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unsigned short *dram, int lines_offs, int mdbg) \
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{ \
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unsigned short *pal = Pico32xMem->pal_native; \
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unsigned char *pmd = PicoDraw2FB + 328 * 8 + 8; \
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unsigned short *palmd = HighPal; \
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unsigned short *p32x; \
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int lines = lines_offs >> 16; \
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int l; \
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(void)palmd; \
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for (l = 0; l < lines; l++, pmd += 8) { \
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pre_code; \
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p32x = dram + dram[l]; \
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do_line_pp(dst, p32x, pmd, md_code); \
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post_code; \
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} \
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} \
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\
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/* Run Length Mode */ \
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static void do_loop_rl##name(unsigned short *dst, \
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unsigned short *dram, int lines_offs, int mdbg) \
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{ \
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unsigned short *pal = Pico32xMem->pal_native; \
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unsigned char *pmd = PicoDraw2FB + 328 * 8 + 8; \
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unsigned short *palmd = HighPal; \
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unsigned short *p32x; \
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int lines = lines_offs >> 16; \
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int l; \
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(void)palmd; \
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for (l = 0; l < lines; l++, pmd += 8) { \
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pre_code; \
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p32x = dram + dram[l]; \
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do_line_rl(dst, p32x, pmd, md_code); \
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post_code; \
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} \
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}
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#ifdef _ASM_32X_DRAW
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#undef make_do_loop
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#define make_do_loop(name, pre_code, post_code, md_code) \
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extern void do_loop_dc##name(unsigned short *dst, \
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unsigned short *dram, int lines_offs, int mdbg); \
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extern void do_loop_pp##name(unsigned short *dst, \
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unsigned short *dram, int lines_offs, int mdbg); \
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extern void do_loop_rl##name(unsigned short *dst, \
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unsigned short *dram, int lines_offs, int mdbg);
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#endif
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make_do_loop(,,,)
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make_do_loop(_md, , , MD_LAYER_CODE)
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make_do_loop(_scan, PICOSCAN_PRE, PICOSCAN_POST, )
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make_do_loop(_scan_md, PICOSCAN_PRE, PICOSCAN_POST, MD_LAYER_CODE)
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typedef void (*do_loop_func)(unsigned short *dst, unsigned short *dram, int lines, int mdbg);
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enum { DO_LOOP, DO_LOOP_MD, DO_LOOP_SCAN, DO_LOOP_MD_SCAN };
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static const do_loop_func do_loop_dc_f[] = { do_loop_dc, do_loop_dc_md, do_loop_dc_scan, do_loop_dc_scan_md };
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static const do_loop_func do_loop_pp_f[] = { do_loop_pp, do_loop_pp_md, do_loop_pp_scan, do_loop_pp_scan_md };
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static const do_loop_func do_loop_rl_f[] = { do_loop_rl, do_loop_rl_md, do_loop_rl_scan, do_loop_rl_scan_md };
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void PicoDraw32xLayer(int offs, int lines, int md_bg)
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{
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int have_scan = PicoScan32xBegin != NULL && PicoScan32xEnd != NULL;
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const do_loop_func *do_loop;
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unsigned short *dram;
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int which_func;
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DrawLineDest = DrawLineDestBase + offs * DrawLineDestIncrement;
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dram = Pico32xMem->dram[Pico32x.vdp_regs[0x0a/2] & P32XV_FS];
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if (Pico32xDrawMode == 2) {
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if (Pico.m.dirtyPal)
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PicoDrawUpdateHighPal();
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}
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if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 2)
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{
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// Direct Color Mode
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do_loop = do_loop_dc_f;
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goto do_it;
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}
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if (Pico32x.dirty_pal)
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convert_pal555(Pico32x.vdp_regs[0] & P32XV_PRI);
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if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 1)
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{
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// Packed Pixel Mode
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do_loop = do_loop_pp_f;
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}
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else
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{
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// Run Length Mode
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do_loop = do_loop_rl_f;
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}
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do_it:
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if (Pico32xDrawMode == 2)
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which_func = have_scan ? DO_LOOP_MD_SCAN : DO_LOOP_MD;
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else
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which_func = have_scan ? DO_LOOP_SCAN : DO_LOOP;
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do_loop[which_func](DrawLineDest, dram, (lines << 16) | offs, md_bg);
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}
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void PicoDraw32xSetFrameMode(int is_on, int only_32x)
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{
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#ifdef _ASM_32X_DRAW
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extern void *Pico32xNativePal;
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Pico32xNativePal = Pico32xMem->pal_native;
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#endif
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if (is_on) {
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// use the same layout as alt renderer
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PicoDrawSetInternalBuf(PicoDraw2FB + 328*8, 328);
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Pico32xDrawMode = only_32x ? 1 : 2;
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} else {
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PicoDrawSetInternalBuf(NULL, 0);
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Pico32xDrawMode = 0;
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}
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}
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263
pico/32x/draw_arm.s
Normal file
263
pico/32x/draw_arm.s
Normal file
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@ -0,0 +1,263 @@
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@ vim:filetype=armasm
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.extern Pico32x
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.extern PicoDraw2FB
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.extern HighPal
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.equiv P32XV_PRI, (1<< 7)
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.bss
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.align 2
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.global Pico32xNativePal
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Pico32xNativePal:
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.word 0
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.text
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.align 2
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.macro call_scan_prep cond
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.if \cond
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ldr r4, =PicoScan32xBegin
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ldr r5, =PicoScan32xEnd
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ldr r6, =DrawLineDest
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ldr r4, [r4]
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ldr r5, [r5]
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stmfd sp!, {r4,r5,r6}
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.endif
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.endm
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.macro call_scan_fin_ge cond
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.if \cond
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addge sp, sp, #4*3
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.endif
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.endm
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.macro call_scan_begin cond
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.if \cond
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stmfd sp!, {r1-r3}
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and r0, r2, #0xff
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add r0, r0, r4
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mov lr, pc
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ldr pc, [sp, #(3+0)*4]
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ldr r0, [sp, #(3+2)*4] @ &DrawLineDest
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ldmfd sp!, {r1-r3}
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ldr r0, [r0]
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.endif
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.endm
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.macro call_scan_end cond
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.if \cond
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stmfd sp!, {r0-r3}
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and r0, r2, #0xff
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add r0, r0, r4
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mov lr, pc
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ldr pc, [sp, #(4+1)*4]
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ldmfd sp!, {r0-r3}
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.endif
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.endm
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@ direct color
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@ unsigned short *dst, unsigned short *dram, int lines_offs, int mdbg
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.macro make_do_loop_dc name call_scan do_md
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.global \name
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\name:
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stmfd sp!, {r4-r11,lr}
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ldr r10,=Pico32x
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ldr r11,=PicoDraw2FB
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ldr r10,[r10, #0x40] @ Pico32x.vdp_regs[0]
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ldr r11,[r11]
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ldr r9, =HighPal @ palmd
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add r11,r11,#(328*8) @ r11 = pmd: md data
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tst r10,#P32XV_PRI
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moveq r10,#0
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movne r10,#0x8000 @ r10 = inv_bit
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call_scan_prep \call_scan
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mov r4, #0 @ line
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b 1f @ loop_outer_entry
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0: @ loop_outer:
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call_scan_end \call_scan
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add r4, r4, #1
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sub r11,r11,#1 @ adjust for prev read
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cmp r4, r2, lsr #16
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call_scan_fin_ge \call_scan
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ldmgefd sp!, {r4-r11,pc}
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1: @ loop_outer_entry:
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call_scan_begin \call_scan
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mov r12,r4, lsl #1
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ldrh r12,[r1, r12]
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add r11,r11,#8
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mov r6, #320
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||||
add r5, r1, r12, lsl #1 @ p32x = dram + dram[l]
|
||||
|
||||
2: @ loop_inner:
|
||||
ldrb r7, [r11], #1 @ MD pixel
|
||||
subs r6, r6, #1
|
||||
blt 0b @ loop_outer
|
||||
ldrh r8, [r5], #2 @ 32x pixel
|
||||
cmp r7, r3 @ MD has bg pixel?
|
||||
beq 3f @ draw32x
|
||||
eor r12,r8, r10
|
||||
ands r12,r12,#0x8000 @ !((t ^ inv) & 0x8000)
|
||||
.if \do_md
|
||||
mov r7, r7, lsl #1
|
||||
ldreqh r12,[r9, r7]
|
||||
streqh r12,[r0], #2 @ *dst++ = palmd[*pmd]
|
||||
.endif
|
||||
beq 2b @ loop_inner
|
||||
|
||||
3: @ draw32x:
|
||||
and r12,r8, #0x03e0
|
||||
mov r8, r8, lsl #11
|
||||
orr r8, r8, r8, lsr #(10+11)
|
||||
orr r8, r8, r12,lsl #1
|
||||
bic r8, r8, #0x0020 @ kill prio bit
|
||||
strh r8, [r0], #2 @ *dst++ = bgr2rgb(*p32x++)
|
||||
b 2b @ loop_inner
|
||||
.endm
|
||||
|
||||
|
||||
@ packed pixel
|
||||
.macro do_pixel_pp do_md
|
||||
ldrb r7, [r11], #1 @ MD pixel
|
||||
eor r12,r5, #1
|
||||
ldrb r8, [r12] @ palette index
|
||||
cmp r7, r3 @ MD has bg pixel?
|
||||
mov r12,r8,lsl #1
|
||||
ldrh r8, [r10,r12] @ t = 32x pixel
|
||||
mov r7, r7, lsl #1
|
||||
add r5, r5, #1
|
||||
eorne r12,r8, #0x20
|
||||
tstne r12, #0x20
|
||||
.if \do_md
|
||||
ldrneh r8, [r9, r7] @ t = palmd[*pmd]
|
||||
subs r6, r6, #1
|
||||
strh r8, [r0], #2 @ *dst++ = t
|
||||
.else
|
||||
streqh r8, [r0], #2
|
||||
addne r0, r0, #2
|
||||
subs r6, r6, #1
|
||||
.endif
|
||||
.endm
|
||||
|
||||
@ unsigned short *dst, unsigned short *dram, int lines_offs, int mdbg
|
||||
.macro make_do_loop_pp name call_scan do_md
|
||||
.global \name
|
||||
\name:
|
||||
stmfd sp!, {r4-r11,lr}
|
||||
|
||||
ldr r11,=PicoDraw2FB
|
||||
ldr r10,=Pico32xNativePal
|
||||
ldr r11,[r11]
|
||||
ldr r10,[r10]
|
||||
ldr r9, =HighPal @ palmd
|
||||
add r11,r11,#(328*8) @ r11 = pmd: md data
|
||||
call_scan_prep \call_scan
|
||||
|
||||
mov r4, #0 @ line
|
||||
b 1f @ loop_outer_entry
|
||||
|
||||
0: @ loop_outer:
|
||||
call_scan_end \call_scan
|
||||
add r4, r4, #1
|
||||
cmp r4, r2, lsr #16
|
||||
call_scan_fin_ge \call_scan
|
||||
ldmgefd sp!, {r4-r11,pc}
|
||||
|
||||
1: @ loop_outer_entry:
|
||||
call_scan_begin \call_scan
|
||||
mov r12,r4, lsl #1
|
||||
ldrh r12,[r1, r12]
|
||||
add r11,r11,#8
|
||||
mov r6, #320
|
||||
add r5, r1, r12, lsl #1 @ p32x = dram + dram[l]
|
||||
|
||||
2: @ loop_inner:
|
||||
do_pixel_pp \do_md
|
||||
do_pixel_pp \do_md
|
||||
bgt 2b @ loop_inner
|
||||
b 0b @ loop_outer
|
||||
.endm
|
||||
|
||||
|
||||
@ run length
|
||||
@ unsigned short *dst, unsigned short *dram, int lines_offs, int mdbg
|
||||
.macro make_do_loop_rl name call_scan do_md
|
||||
.global \name
|
||||
\name:
|
||||
stmfd sp!, {r4-r11,lr}
|
||||
|
||||
ldr r11,=PicoDraw2FB
|
||||
ldr r10,=Pico32xNativePal
|
||||
ldr r11,[r11]
|
||||
ldr r10,[r10]
|
||||
ldr r9, =HighPal @ palmd
|
||||
add r11,r11,#(328*8) @ r11 = pmd: md data
|
||||
call_scan_prep \call_scan
|
||||
|
||||
mov r4, #0 @ line
|
||||
b 1f @ loop_outer_entry
|
||||
|
||||
0: @ loop_outer:
|
||||
call_scan_end \call_scan
|
||||
add r4, r4, #1
|
||||
sub r11,r11,#1 @ adjust for prev read
|
||||
cmp r4, r2, lsr #16
|
||||
call_scan_fin_ge \call_scan
|
||||
ldmgefd sp!, {r4-r11,pc}
|
||||
|
||||
1: @ loop_outer_entry:
|
||||
call_scan_begin \call_scan
|
||||
mov r12,r4, lsl #1
|
||||
ldrh r12,[r1, r12]
|
||||
add r11,r11,#8
|
||||
mov r6, #320
|
||||
add r5, r1, r12, lsl #1 @ p32x = dram + dram[l]
|
||||
|
||||
2: @ loop_inner:
|
||||
ldrh r8, [r5], #2 @ control word
|
||||
and r12,r8, #0xff
|
||||
mov r12,r12,lsl #1
|
||||
ldrh lr, [r10,r12] @ t = 32x pixel
|
||||
eor lr, lr, #0x20
|
||||
|
||||
3: @ loop_innermost:
|
||||
ldrb r7, [r11], #1 @ MD pixel
|
||||
subs r6, r6, #1
|
||||
blt 0b @ loop_outer
|
||||
cmp r7, r3 @ MD has bg pixel?
|
||||
mov r7, r7, lsl #1
|
||||
tstne lr, #0x20
|
||||
.if \do_md
|
||||
ldrneh r12,[r9, r7] @ t = palmd[*pmd]
|
||||
streqh lr, [r0], #2
|
||||
strneh r12,[r0], #2 @ *dst++ = t
|
||||
.else
|
||||
streqh lr, [r0]
|
||||
add r0, r0, #2
|
||||
.endif
|
||||
subs r8, r8, #0x100
|
||||
bge 3b @ loop_innermost
|
||||
b 2b @ loop_inner
|
||||
.endm
|
||||
|
||||
|
||||
make_do_loop_dc do_loop_dc, 0, 0
|
||||
make_do_loop_dc do_loop_dc_md, 0, 1
|
||||
make_do_loop_dc do_loop_dc_scan, 1, 0
|
||||
make_do_loop_dc do_loop_dc_scan_md, 1, 1
|
||||
|
||||
make_do_loop_pp do_loop_pp, 0, 0
|
||||
make_do_loop_pp do_loop_pp_md, 0, 1
|
||||
make_do_loop_pp do_loop_pp_scan, 1, 0
|
||||
make_do_loop_pp do_loop_pp_scan_md, 1, 1
|
||||
|
||||
make_do_loop_rl do_loop_rl, 0, 0
|
||||
make_do_loop_rl do_loop_rl_md, 0, 1
|
||||
make_do_loop_rl do_loop_rl_scan, 1, 0
|
||||
make_do_loop_rl do_loop_rl_scan_md, 1, 1
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue