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eliminate texrels (wip2)
[picodrive.git]
/
pico
/
32x
/
draw.c
diff --git
a/pico/32x/draw.c
b/pico/32x/draw.c
index
7b431d2
..
e20238e
100644
(file)
--- a/
pico/32x/draw.c
+++ b/
pico/32x/draw.c
@@
-1,3
+1,10
@@
+/*
+ * PicoDrive
+ * (C) notaz, 2009,2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
#include "../pico_int.h"
int (*PicoScan32xBegin)(unsigned int num);
#include "../pico_int.h"
int (*PicoScan32xBegin)(unsigned int num);
@@
-36,7
+43,7
@@
static void convert_pal555(int invert_prio)
\
for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \
unsigned short t = *p32x; \
\
for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \
unsigned short t = *p32x; \
- if (
*pmd != mdbg && !((t ^ inv) & 0x8000)) {
\
+ if (
(*pmd & 0x3f) != mdbg && !((t ^ inv) & 0x8000)) {
\
pmd_draw_code; \
continue; \
} \
pmd_draw_code; \
continue; \
} \
@@
-52,7
+59,7
@@
static void convert_pal555(int invert_prio)
int i; \
for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \
t = pal[*(unsigned char *)((long)p32x ^ 1)]; \
int i; \
for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \
t = pal[*(unsigned char *)((long)p32x ^ 1)]; \
- if ((t & 0x20) ||
*pmd == mdbg)
\
+ if ((t & 0x20) ||
(*pmd & 0x3f) == mdbg)
\
*pd = t; \
else \
pmd_draw_code; \
*pd = t; \
else \
pmd_draw_code; \
@@
-67,7
+74,7
@@
static void convert_pal555(int invert_prio)
for (i = 320; i > 0; p32x++) { \
t = pal[*p32x & 0xff]; \
for (len = (*p32x >> 8) + 1; len > 0 && i > 0; len--, i--, pd++, pmd++) { \
for (i = 320; i > 0; p32x++) { \
t = pal[*p32x & 0xff]; \
for (len = (*p32x >> 8) + 1; len > 0 && i > 0; len--, i--, pd++, pmd++) { \
- if (
*pmd == mdbg || (t & 0x20))
\
+ if (
(*pmd & 0x3f) == mdbg || (t & 0x20))
\
*pd = t; \
else \
pmd_draw_code; \
*pd = t; \
else \
pmd_draw_code; \
@@
-75,15
+82,16
@@
static void convert_pal555(int invert_prio)
} \
}
} \
}
-void FinalizeLine32xRGB555(int sh, int line)
+// this is almost never used (Wiz and menu bg gen only)
+void FinalizeLine32xRGB555(int sh, int line, struct PicoEState *est)
{
{
- unsigned short *pd = DrawLineDest;
+ unsigned short *pd =
est->
DrawLineDest;
unsigned short *pal = Pico32xMem->pal_native;
unsigned short *pal = Pico32xMem->pal_native;
- unsigned char *pmd = HighCol + 8;
+ unsigned char *pmd =
est->
HighCol + 8;
unsigned short *dram, *p32x;
unsigned char mdbg;
unsigned short *dram, *p32x;
unsigned char mdbg;
- FinalizeLine555(sh, line);
+ FinalizeLine555(sh, line
, est
);
if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 0 || // 32x blanking
// XXX: how is 32col mode hadled by real hardware?
if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 0 || // 32x blanking
// XXX: how is 32col mode hadled by real hardware?
@@
-122,7
+130,7
@@
void FinalizeLine32xRGB555(int sh, int line)
#define PICOSCAN_PRE \
PicoScan32xBegin(l + (lines_sft_offs & 0xff)); \
#define PICOSCAN_PRE \
PicoScan32xBegin(l + (lines_sft_offs & 0xff)); \
- dst = DrawLineDest; \
+ dst =
Pico.est.
DrawLineDest; \
#define PICOSCAN_POST \
PicoScan32xEnd(l + (lines_sft_offs & 0xff)); \
#define PICOSCAN_POST \
PicoScan32xEnd(l + (lines_sft_offs & 0xff)); \
@@
-220,7
+228,7
@@
void PicoDraw32xLayer(int offs, int lines, int md_bg)
int lines_sft_offs;
int which_func;
int lines_sft_offs;
int which_func;
- DrawLineDest = (char *)DrawLineDestBase + offs * DrawLineDestIncrement;
+
Pico.est.
DrawLineDest = (char *)DrawLineDestBase + offs * DrawLineDestIncrement;
dram = Pico32xMem->dram[Pico32x.vdp_regs[0x0a/2] & P32XV_FS];
if (Pico32xDrawMode == PDM32X_BOTH) {
dram = Pico32xMem->dram[Pico32x.vdp_regs[0x0a/2] & P32XV_FS];
if (Pico32xDrawMode == PDM32X_BOTH) {
@@
-258,7
+266,7
@@
do_it:
if (Pico32x.vdp_regs[2 / 2] & P32XV_SFT)
lines_sft_offs |= 1 << 8;
if (Pico32x.vdp_regs[2 / 2] & P32XV_SFT)
lines_sft_offs |= 1 << 8;
- do_loop[which_func](DrawLineDest, dram, lines_sft_offs, md_bg);
+ do_loop[which_func](
Pico.est.
DrawLineDest, dram, lines_sft_offs, md_bg);
}
// mostly unused, games tend to keep 32X layer on
}
// mostly unused, games tend to keep 32X layer on
@@
-284,7
+292,7
@@
void PicoDraw32xLayerMdOnly(int offs, int lines)
for (l = 0; l < lines; l++) {
if (have_scan) {
PicoScan32xBegin(l + offs);
for (l = 0; l < lines; l++) {
if (have_scan) {
PicoScan32xBegin(l + offs);
- dst = DrawLineDest + poffs;
+ dst =
Pico.est.
DrawLineDest + poffs;
}
for (p = 0; p < plen; p += 4) {
dst[p + 0] = pal[*pmd++];
}
for (p = 0; p < plen; p += 4) {
dst[p + 0] = pal[*pmd++];
@@
-299,20
+307,23
@@
void PicoDraw32xLayerMdOnly(int offs, int lines)
}
}
}
}
-void PicoDraw
32xSetFrameMode(int is_on, int only_32x
)
+void PicoDraw
SetOutFormat32x(pdso_t which, int use_32x_line_mode
)
{
#ifdef _ASM_32X_DRAW
extern void *Pico32xNativePal;
Pico32xNativePal = Pico32xMem->pal_native;
#endif
{
#ifdef _ASM_32X_DRAW
extern void *Pico32xNativePal;
Pico32xNativePal = Pico32xMem->pal_native;
#endif
- if (is_on) {
- // use the same layout as alt renderer
- PicoDrawSetInternalBuf(PicoDraw2FB, 328);
- Pico32xDrawMode = only_32x ? PDM32X_32X_ONLY : PDM32X_BOTH;
- } else {
+ if (which == PDF_RGB555 && use_32x_line_mode) {
+ // we'll draw via FinalizeLine32xRGB555 (rare)
PicoDrawSetInternalBuf(NULL, 0);
Pico32xDrawMode = PDM32X_OFF;
PicoDrawSetInternalBuf(NULL, 0);
Pico32xDrawMode = PDM32X_OFF;
+ return;
}
}
+
+ // use the same layout as alt renderer
+ PicoDrawSetInternalBuf(PicoDraw2FB, 328);
+ Pico32xDrawMode = (which == PDF_RGB555) ? PDM32X_32X_ONLY : PDM32X_BOTH;
}
}
+// vim:shiftwidth=2:ts=2:expandtab