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32x: various gfx related bugfixes
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@856 be3aeb3a-fb24-0410-a615-afba39da0efa
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notaz
parent
5a68108691
commit
e51e5983fe
6 changed files with 45 additions and 27 deletions
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@ -50,19 +50,12 @@ static void convert_pal555(int invert_prio)
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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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for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \
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t = pal[*(unsigned char *)((long)p32x ^ 1)]; \
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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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@ -114,7 +107,10 @@ 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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do_line_pp(pd, p32x, pmd,);
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unsigned char *p32xb = (void *)p32x;
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if (Pico32x.vdp_regs[2 / 2] & P32XV_SFT)
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p32xb++;
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do_line_pp(pd, p32xb, pmd,);
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}
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else { // Run Length Mode
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do_line_rl(pd, p32x, pmd,);
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@ -125,22 +121,22 @@ void FinalizeLine32xRGB555(int sh, int line)
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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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PicoScan32xBegin(l + (lines_sft_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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PicoScan32xEnd(l + (lines_sft_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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unsigned short *dram, int lines_sft_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 lines = lines_sft_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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@ -153,18 +149,19 @@ static void do_loop_dc##name(unsigned short *dst, \
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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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unsigned short *dram, int lines_sft_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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unsigned char *p32x; \
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int lines = lines_sft_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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p32x = (void *)(dram + dram[l]); \
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p32x += (lines_sft_offs >> 8) & 1; \
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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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@ -172,13 +169,13 @@ static void do_loop_pp##name(unsigned short *dst, \
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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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unsigned short *dram, int lines_sft_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 lines = lines_sft_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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@ -217,6 +214,7 @@ void PicoDraw32xLayer(int offs, int lines, int md_bg)
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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 lines_sft_offs;
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int which_func;
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DrawLineDest = DrawLineDestBase + offs * DrawLineDestIncrement;
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@ -253,8 +251,11 @@ do_it:
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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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lines_sft_offs = (lines << 16) | offs;
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if (Pico32x.vdp_regs[2 / 2] & P32XV_SFT)
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lines_sft_offs |= 1 << 8;
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do_loop[which_func](DrawLineDest, dram, (lines << 16) | offs, md_bg);
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do_loop[which_func](DrawLineDest, dram, lines_sft_offs, md_bg);
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}
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void PicoDraw32xSetFrameMode(int is_on, int only_32x)
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@ -58,7 +58,7 @@ Pico32xNativePal:
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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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@ unsigned short *dst, unsigned short *dram, int lines_sft_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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@ -144,7 +144,7 @@ Pico32xNativePal:
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.endif
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.endm
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@ unsigned short *dst, unsigned short *dram, int lines_offs, int mdbg
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@ unsigned short *dst, unsigned short *dram, int lines_sft_offs, int mdbg
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.macro make_do_loop_pp name call_scan do_md
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.global \name
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\name:
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@ -175,6 +175,8 @@ Pico32xNativePal:
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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]
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and r12,r2, #0x100 @ shift
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add r5, r5, r12,lsr #8
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2: @ loop_inner:
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do_pixel_pp \do_md
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@ -185,7 +187,7 @@ Pico32xNativePal:
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@ run length
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@ unsigned short *dst, unsigned short *dram, int lines_offs, int mdbg
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@ unsigned short *dst, unsigned short *dram, int lines_sft_offs, int mdbg
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.macro make_do_loop_rl name call_scan do_md
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.global \name
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\name:
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@ -341,6 +341,9 @@ static void p32x_vdp_write8(u32 a, u32 d)
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Pico32x.dirty_pal = 1;
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r[0] = (r[0] & P32XV_nPAL) | (d & 0xff);
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break;
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case 0x03: // shift (for pp mode)
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r[2 / 2] = d & 1;
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break;
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case 0x05: // fill len
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r[4 / 2] = d & 0xff;
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break;
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@ -1050,8 +1053,9 @@ static int REGPARM(3) sh2_write8_cs0(u32 a, u32 d, int id)
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return sh2_write8_unmapped(a, d, id);
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}
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/* quirk: in both normal and overwrite areas only nonzero values go through */
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#define sh2_write8_dramN(n) \
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if (!(a & 0x20000) || d) { \
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if ((d & 0xff) != 0) { \
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u8 *dram = (u8 *)Pico32xMem->dram[n]; \
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dram[(a & 0x1ffff) ^ 1] = d; \
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} \
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@ -1566,10 +1566,12 @@ void PicoDrawSetOutFormat(pdso_t which, int allow_32x)
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rendstatus_old = -1;
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}
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// note: may be called on the middle of frame
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void PicoDrawSetOutBuf(void *dest, int increment)
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{
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DrawLineDestBase = dest;
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DrawLineDestIncrement = increment;
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DrawLineDest = DrawLineDestBase + DrawScanline * increment;
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}
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void PicoDrawSetInternalBuf(void *dest, int increment)
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@ -1577,6 +1579,7 @@ void PicoDrawSetInternalBuf(void *dest, int increment)
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if (dest != NULL) {
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HighColBase = dest;
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HighColIncrement = increment;
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HighCol = HighColBase + DrawScanline * increment;
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}
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else {
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HighColBase = DefHighCol;
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@ -437,6 +437,8 @@ typedef struct
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#define P32XV_PRI (1<< 7)
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#define P32XV_Mx (3<< 0) // display mode mask
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#define P32XV_SFT (1<< 0)
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#define P32XV_VBLK (1<<15)
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#define P32XV_HBLK (1<<14)
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#define P32XV_PEN (1<<13)
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