mame/src/emu/drawgfx.c
Aaron Giles 864560d4af From: Atari Ace [mailto:atari_ace@verizon.net]
Sent: Monday, February 16, 2009 7:10 PM
To: submit@mamedev.org
Cc: atariace@hotmail.com
Subject: [patch] Add some missing static qualifiers

Hi mamedev,

This patch mostly adds missing static qualifiers, plus a few related header/name adjustments.  In particular, I tackled m68kmake.c and tmsmake.c which exposed a fair amount of dead code.

~aa
2009-02-26 08:52:27 +00:00

2040 lines
61 KiB
C

/*********************************************************************
drawgfx.c
Generic graphic functions.
Copyright Nicola Salmoria and the MAME Team.
Visit http://mamedev.org for licensing and usage restrictions.
*********************************************************************/
#include "driver.h"
#include "drawgfxm.h"
#include "deprecat.h"
/***************************************************************************
GLOBAL VARIABLES
***************************************************************************/
/* if this line errors during compile, the size of NO_PRIORITY is wrong and I need to use something else */
UINT8 no_priority_size_is_wrong[2 * (sizeof(NO_PRIORITY) == 3) - 1];
/***************************************************************************
FUNCTION PROTOTYPES
***************************************************************************/
void decodechar(const gfx_element *gfx, UINT32 code, const UINT8 *src);
/***************************************************************************
INLINE FUNCTIONS
***************************************************************************/
/*-------------------------------------------------
readbit - read a single bit from a base
offset
-------------------------------------------------*/
INLINE int readbit(const UINT8 *src, unsigned int bitnum)
{
return src[bitnum / 8] & (0x80 >> (bitnum % 8));
}
/*-------------------------------------------------
normalize_xscroll - normalize an X scroll
value for a bitmap to be positive and less
than the width
-------------------------------------------------*/
INLINE INT32 normalize_xscroll(bitmap_t *bitmap, INT32 xscroll)
{
return (xscroll >= 0) ? xscroll % bitmap->width : (bitmap->width - (-xscroll) % bitmap->width);
}
/*-------------------------------------------------
normalize_yscroll - normalize a Y scroll
value for a bitmap to be positive and less
than the height
-------------------------------------------------*/
INLINE INT32 normalize_yscroll(bitmap_t *bitmap, INT32 yscroll)
{
return (yscroll >= 0) ? yscroll % bitmap->height : (bitmap->height - (-yscroll) % bitmap->height);
}
/***************************************************************************
GRAPHICS ELEMENTS
***************************************************************************/
/*-------------------------------------------------
gfx_element_alloc - allocate a gfx_element structure
based on a given layout
-------------------------------------------------*/
gfx_element *gfx_element_alloc(running_machine *machine, const gfx_layout *gl, const UINT8 *srcdata, UINT32 total_colors, UINT32 color_base)
{
int israw = (gl->planeoffset[0] == GFX_RAW);
int planes = gl->planes;
UINT16 width = gl->width;
UINT16 height = gl->height;
UINT32 total = gl->total;
gfx_element *gfx;
/* allocate memory for the gfx_element structure */
gfx = malloc_or_die(sizeof(*gfx));
memset(gfx, 0, sizeof(*gfx));
/* fill in the data */
gfx->width = width;
gfx->height = height;
gfx->origwidth = width;
gfx->origheight = height;
gfx->total_elements = total;
gfx->color_base = color_base;
gfx->color_depth = 1 << planes;
gfx->color_granularity = 1 << planes;
gfx->total_colors = total_colors;
gfx->srcdata = srcdata;
gfx->machine = machine;
/* copy the layout */
gfx->layout = *gl;
if (gfx->layout.extxoffs != NULL)
{
if (gfx->layout.width < ARRAY_LENGTH(gfx->layout.xoffset))
{
memcpy(gfx->layout.xoffset, gfx->layout.extxoffs, sizeof(gfx->layout.xoffset[0]) * gfx->layout.width);
gfx->layout.extxoffs = NULL;
}
else
{
UINT32 *buffer = malloc_or_die(sizeof(buffer[0]) * gfx->layout.width);
memcpy(buffer, gfx->layout.extxoffs, sizeof(gfx->layout.extxoffs[0]) * gfx->layout.width);
gfx->layout.extxoffs = buffer;
}
}
if (gfx->layout.extyoffs != NULL)
{
if (gfx->layout.height < ARRAY_LENGTH(gfx->layout.yoffset))
{
memcpy(gfx->layout.yoffset, gfx->layout.extyoffs, sizeof(gfx->layout.yoffset[0]) * gfx->layout.height);
gfx->layout.extyoffs = NULL;
}
else
{
UINT32 *buffer = malloc_or_die(sizeof(buffer[0]) * gfx->layout.height);
memcpy(buffer, gfx->layout.extyoffs, sizeof(gfx->layout.extyoffs[0]) * gfx->layout.height);
gfx->layout.extyoffs = buffer;
}
}
/* allocate a pen usage array for entries with 32 pens or less */
if (gfx->color_depth <= 32)
gfx->pen_usage = malloc_or_die(gfx->total_elements * sizeof(*gfx->pen_usage));
/* allocate a dirty array */
gfx->dirty = malloc_or_die(gfx->total_elements * sizeof(*gfx->dirty));
memset(gfx->dirty, 1, gfx->total_elements * sizeof(*gfx->dirty));
/* raw graphics case */
if (israw)
{
/* modulos are determined for us by the layout */
gfx->line_modulo = (gl->extyoffs ? gl->extyoffs[0] : gl->yoffset[0]) / 8;
gfx->char_modulo = gl->charincrement / 8;
/* don't free the data because we will get a pointer at decode time */
gfx->flags |= GFX_ELEMENT_DONT_FREE;
if (planes <= 4)
gfx->flags |= GFX_ELEMENT_PACKED;
/* RAW graphics must have a pointer up front */
gfx->gfxdata = (UINT8 *)gfx->srcdata;
}
/* decoded graphics case */
else
{
/* we get to pick our own modulos */
gfx->line_modulo = gfx->origwidth;
gfx->char_modulo = gfx->line_modulo * gfx->origheight;
/* allocate memory for the data */
gfx->gfxdata = malloc_or_die(gfx->total_elements * gfx->char_modulo);
}
return gfx;
}
/*-------------------------------------------------
gfx_element_decode - update a single code in
a gfx_element
-------------------------------------------------*/
void gfx_element_decode(const gfx_element *gfx, UINT32 code)
{
decodechar(gfx, code, gfx->srcdata);
}
/*-------------------------------------------------
gfx_element_free - free a gfx_element
-------------------------------------------------*/
void gfx_element_free(gfx_element *gfx)
{
/* ignore NULL frees */
if (gfx == NULL)
return;
/* free our data */
if (gfx->layout.extyoffs != NULL)
free((void *)gfx->layout.extyoffs);
if (gfx->layout.extxoffs != NULL)
free((void *)gfx->layout.extxoffs);
if (gfx->pen_usage != NULL)
free(gfx->pen_usage);
if (gfx->dirty != NULL)
free(gfx->dirty);
if (!(gfx->flags & GFX_ELEMENT_DONT_FREE))
free(gfx->gfxdata);
free(gfx);
}
/*-------------------------------------------------
gfx_element_build_temporary - create a
temporary one-off gfx_element
-------------------------------------------------*/
void gfx_element_build_temporary(gfx_element *gfx, running_machine *machine, UINT8 *base, UINT32 width, UINT32 height, UINT32 rowbytes, UINT32 color_base, UINT32 color_granularity, UINT32 flags)
{
static UINT8 not_dirty = 0;
gfx->width = width;
gfx->height = height;
gfx->startx = 0;
gfx->starty = 0;
gfx->origwidth = width;
gfx->origheight = height;
gfx->flags = flags;
gfx->total_elements = 1;
gfx->color_base = color_base;
gfx->color_depth = color_granularity;
gfx->color_granularity = color_granularity;
gfx->total_colors = (machine->config->total_colors - color_base) / color_granularity;
gfx->pen_usage = NULL;
gfx->gfxdata = base;
gfx->line_modulo = rowbytes;
gfx->char_modulo = 0;
gfx->srcdata = base;
gfx->dirty = &not_dirty;
gfx->dirtyseq = 0;
gfx->machine = machine;
}
/*-------------------------------------------------
calc_penusage - calculate the pen usage for
a given graphics tile
-------------------------------------------------*/
static void calc_penusage(const gfx_element *gfx, UINT32 code)
{
const UINT8 *dp = gfx->gfxdata + code * gfx->char_modulo;
UINT32 usage = 0;
int x, y;
/* if nothing allocated, don't do it */
if (gfx->pen_usage == NULL)
return;
/* packed case */
if (gfx->flags & GFX_ELEMENT_PACKED)
for (y = 0; y < gfx->origheight; y++)
{
for (x = 0; x < gfx->origwidth/2; x++)
usage |= (1 << (dp[x] & 0x0f)) | (1 << (dp[x] >> 4));
dp += gfx->line_modulo;
}
/* unpacked case */
else
for (y = 0; y < gfx->origheight; y++)
{
for (x = 0; x < gfx->origwidth; x++)
usage |= 1 << dp[x];
dp += gfx->line_modulo;
}
/* store the final result */
gfx->pen_usage[code] = usage;
}
/*-------------------------------------------------
decodechar - decode a single character based
on a specified layout
-------------------------------------------------*/
void decodechar(const gfx_element *gfx, UINT32 code, const UINT8 *src)
{
const gfx_layout *gl = &gfx->layout;
int israw = (gl->planeoffset[0] == GFX_RAW);
int planes = gl->planes;
UINT32 charincrement = gl->charincrement;
const UINT32 *poffset = gl->planeoffset;
const UINT32 *xoffset = gl->extxoffs ? gl->extxoffs : gl->xoffset;
const UINT32 *yoffset = gl->extyoffs ? gl->extyoffs : gl->yoffset;
UINT8 *dp = gfx->gfxdata + code * gfx->char_modulo;
int plane, x, y;
if (!israw)
{
/* zap the data to 0 */
memset(dp, 0, gfx->char_modulo);
/* packed case */
if (gfx->flags & GFX_ELEMENT_PACKED)
for (plane = 0; plane < planes; plane++)
{
int planebit = 1 << (planes - 1 - plane);
int planeoffs = code * charincrement + poffset[plane];
for (y = 0; y < gfx->origheight; y++)
{
int yoffs = planeoffs + yoffset[y];
dp = gfx->gfxdata + code * gfx->char_modulo + y * gfx->line_modulo;
for (x = 0; x < gfx->origwidth; x += 2)
{
if (readbit(src, yoffs + xoffset[x+0]))
dp[x+0] |= planebit;
if (readbit(src, yoffs + xoffset[x+1]))
dp[x+1] |= planebit;
}
}
}
/* unpacked case */
else
for (plane = 0; plane < planes; plane++)
{
int planebit = 1 << (planes - 1 - plane);
int planeoffs = code * charincrement + poffset[plane];
for (y = 0; y < gfx->origheight; y++)
{
int yoffs = planeoffs + yoffset[y];
dp = gfx->gfxdata + code * gfx->char_modulo + y * gfx->line_modulo;
for (x = 0; x < gfx->origwidth; x++)
if (readbit(src, yoffs + xoffset[x]))
dp[x] |= planebit;
}
}
}
/* compute pen usage */
calc_penusage(gfx, code);
/* no longer dirty */
gfx->dirty[code] = 0;
}
/*-------------------------------------------------
decodegfx - decode a series of tiles from
a particular gfx_element
-------------------------------------------------*/
void decodegfx(gfx_element *gfx, UINT32 first, UINT32 count)
{
int last = first + count - 1;
int c;
assert(gfx != NULL);
assert(gfx->srcdata != NULL);
assert(first < gfx->total_elements);
assert(last < gfx->total_elements);
/* if this is raw graphics data, just set the pointer and compute pen usage */
if (gfx->flags & GFX_ELEMENT_DONT_FREE)
{
/* if we got a pointer, set it */
gfx->gfxdata = (UINT8 *)gfx->srcdata;
/* compute pen usage for everything */
for (c = first; c <= last; c++)
calc_penusage(gfx, c);
}
/* otherwise, we get to manually decode */
else
for (c = first; c <= last; c++)
decodechar(gfx, c, gfx->srcdata);
}
/***************************************************************************
DRAWGFX IMPLEMENTATIONS
***************************************************************************/
/*-------------------------------------------------
drawgfx - generic drawgfx with legacy
interface
-------------------------------------------------*/
void drawgfx(bitmap_t *dest, const gfx_element *gfx, UINT32 code, UINT32 color, int flipx, int flipy,
INT32 sx, INT32 sy, const rectangle *cliprect, int transparency, UINT32 transparent_color)
{
switch (transparency)
{
case TRANSPARENCY_NONE:
drawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy);
break;
case TRANSPARENCY_PEN:
drawgfx_transpen(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, transparent_color);
break;
case TRANSPARENCY_PENS:
drawgfx_transmask(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, transparent_color);
break;
default:
fatalerror("Invalid transparency specified for drawgfx (%d)", transparency);
break;
}
}
/*-------------------------------------------------
drawgfx_opaque - render a gfx element with
no transparency
-------------------------------------------------*/
void drawgfx_opaque(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
const pen_t *paldata;
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REMAP_OPAQUE, NO_PRIORITY);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REMAP_OPAQUE, NO_PRIORITY);
}
/*-------------------------------------------------
drawgfx_transpen - render a gfx element with
a single transparent pen
-------------------------------------------------*/
void drawgfx_transpen(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 transpen)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
const pen_t *paldata;
/* special case invalid pens to opaque */
if (transpen > 0xff)
{
drawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* use pen usage to optimize */
if (gfx->pen_usage != NULL && !gfx->dirty[code])
{
UINT32 usage = gfx->pen_usage[code];
/* fully transparent; do nothing */
if ((usage & ~(1 << transpen)) == 0)
return;
/* fully opaque; draw as such */
if ((usage & (1 << transpen)) == 0)
{
drawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty);
return;
}
}
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REMAP_TRANSPEN, NO_PRIORITY);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REMAP_TRANSPEN, NO_PRIORITY);
}
/*-------------------------------------------------
drawgfx_transpen_raw - render a gfx element
with a single transparent pen and no color
lookups
-------------------------------------------------*/
void drawgfx_transpen_raw(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 transpen)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
/* early out if completely transparent */
if (gfx->pen_usage != NULL && !gfx->dirty[code] && (gfx->pen_usage[code] & ~(1 << transpen)) == 0)
return;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REBASE_TRANSPEN, NO_PRIORITY);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REBASE_TRANSPEN, NO_PRIORITY);
}
/*-------------------------------------------------
drawgfx_transmask - render a gfx element
with a multiple transparent pens provided as
a mask
-------------------------------------------------*/
void drawgfx_transmask(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 transmask)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
const pen_t *paldata;
/* special case 0 mask to opaque */
if (transmask == 0)
{
drawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* use pen usage to optimize */
if (gfx->pen_usage != NULL && !gfx->dirty[code])
{
UINT32 usage = gfx->pen_usage[code];
/* fully transparent; do nothing */
if ((usage & ~transmask) == 0)
return;
/* fully opaque; draw as such */
if ((usage & transmask) == 0)
{
drawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty);
return;
}
}
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REMAP_TRANSMASK, NO_PRIORITY);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REMAP_TRANSMASK, NO_PRIORITY);
}
/*-------------------------------------------------
drawgfx_transtable - render a gfx element
using a table to look up which pens are
transparent, opaque, or shadowing
-------------------------------------------------*/
void drawgfx_transtable(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
const UINT8 *pentable, const pen_t *shadowtable)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
const pen_t *paldata;
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
assert(pentable != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REMAP_TRANSTABLE16, NO_PRIORITY);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REMAP_TRANSTABLE32, NO_PRIORITY);
}
/*-------------------------------------------------
drawgfx_alpha - render a gfx element with
a single transparent pen, alpha blending the
remaining pixels with a fixed alpha value
-------------------------------------------------*/
void drawgfx_alpha(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 transpen, UINT8 alpha)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
const pen_t *paldata;
/* special case alpha = 0xff */
if (alpha == 0xff)
{
drawgfx_transpen(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, transpen);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* early out if completely transparent */
if (gfx->pen_usage != NULL && !gfx->dirty[code] && (gfx->pen_usage[code] & ~(1 << transpen)) == 0)
return;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REMAP_TRANSPEN_ALPHA16, NO_PRIORITY);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REMAP_TRANSPEN_ALPHA32, NO_PRIORITY);
}
/***************************************************************************
DRAWGFXZOOM IMPLEMENTATIONS
***************************************************************************/
/*-------------------------------------------------
drawgfxzoom - generic drawgfxzoom with legacy
interface
-------------------------------------------------*/
void drawgfxzoom(bitmap_t *dest, const gfx_element *gfx, UINT32 code, UINT32 color, int flipx, int flipy,
INT32 sx, INT32 sy, const rectangle *cliprect, int transparency, UINT32 transparent_color,
UINT32 scalex, UINT32 scaley)
{
switch (transparency)
{
case TRANSPARENCY_NONE:
drawgfxzoom_opaque(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, scalex, scaley);
break;
case TRANSPARENCY_PEN:
drawgfxzoom_transpen(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, scalex, scaley, transparent_color);
break;
case TRANSPARENCY_PENS:
drawgfxzoom_transmask(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, scalex, scaley, transparent_color);
break;
default:
fatalerror("Invalid transparency specified for drawgfxzoom (%d)", transparency);
break;
}
}
/*-------------------------------------------------
drawgfxzoom_opaque - render a scaled gfx
element with no transparency
-------------------------------------------------*/
void drawgfxzoom_opaque(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
const pen_t *paldata;
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
drawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REMAP_OPAQUE, NO_PRIORITY);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REMAP_OPAQUE, NO_PRIORITY);
}
/*-------------------------------------------------
drawgfxzoom_transpen - render a scaled gfx
element with a single transparent pen
-------------------------------------------------*/
void drawgfxzoom_transpen(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, UINT32 transpen)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
const pen_t *paldata;
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
drawgfx_transpen(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, transpen);
return;
}
/* special case invalid pens to opaque */
if (transpen > 0xff)
{
drawgfxzoom_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, scalex, scaley);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* use pen usage to optimize */
if (gfx->pen_usage != NULL && !gfx->dirty[code])
{
UINT32 usage = gfx->pen_usage[code];
/* fully transparent; do nothing */
if ((usage & ~(1 << transpen)) == 0)
return;
/* fully opaque; draw as such */
if ((usage & (1 << transpen)) == 0)
{
drawgfxzoom_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, scalex, scaley);
return;
}
}
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REMAP_TRANSPEN, NO_PRIORITY);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REMAP_TRANSPEN, NO_PRIORITY);
}
/*-------------------------------------------------
drawgfxzoom_transpen_raw - render a scaled gfx
element with a single transparent pen and no
color lookups
-------------------------------------------------*/
void drawgfxzoom_transpen_raw(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, UINT32 transpen)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
drawgfx_transpen_raw(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, transpen);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
/* early out if completely transparent */
if (gfx->pen_usage != NULL && !gfx->dirty[code] && (gfx->pen_usage[code] & ~(1 << transpen)) == 0)
return;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REBASE_TRANSPEN, NO_PRIORITY);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REBASE_TRANSPEN, NO_PRIORITY);
}
/*-------------------------------------------------
drawgfxzoom_transmask - render a scaled gfx
element with a multiple transparent pens
provided as a mask
-------------------------------------------------*/
void drawgfxzoom_transmask(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, UINT32 transmask)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
const pen_t *paldata;
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
drawgfx_transmask(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, transmask);
return;
}
/* special case 0 mask to opaque */
if (transmask == 0)
{
drawgfxzoom_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, scalex, scaley);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* use pen usage to optimize */
if (gfx->pen_usage != NULL && !gfx->dirty[code])
{
UINT32 usage = gfx->pen_usage[code];
/* fully transparent; do nothing */
if ((usage & ~transmask) == 0)
return;
/* fully opaque; draw as such */
if ((usage & transmask) == 0)
{
drawgfxzoom_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, scalex, scaley);
return;
}
}
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REMAP_TRANSMASK, NO_PRIORITY);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REMAP_TRANSMASK, NO_PRIORITY);
}
/*-------------------------------------------------
drawgfxzoom_transtable - render a scaled gfx
element using a table to look up which pens
are transparent, opaque, or shadowing
-------------------------------------------------*/
void drawgfxzoom_transtable(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, const UINT8 *pentable, const pen_t *shadowtable)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
const pen_t *paldata;
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
drawgfx_transtable(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, pentable, shadowtable);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
assert(pentable != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REMAP_TRANSTABLE16, NO_PRIORITY);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REMAP_TRANSTABLE32, NO_PRIORITY);
}
/*-------------------------------------------------
drawgfxzoom_alpha - render a scaled gfx element
with a single transparent pen, alpha blending
the remaining pixels with a fixed alpha value
-------------------------------------------------*/
void drawgfxzoom_alpha(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, UINT32 transpen, UINT8 alpha)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
const pen_t *paldata;
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
drawgfx_alpha(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, transpen, alpha);
return;
}
/* special case alpha = 0xff */
if (alpha == 0xff)
{
drawgfxzoom_transpen(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, scalex, scaley, transpen);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* early out if completely transparent */
if (gfx->pen_usage != NULL && !gfx->dirty[code] && (gfx->pen_usage[code] & ~(1 << transpen)) == 0)
return;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REMAP_TRANSPEN_ALPHA16, NO_PRIORITY);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REMAP_TRANSPEN_ALPHA32, NO_PRIORITY);
}
/***************************************************************************
PDRAWGFX IMPLEMENTATIONS
***************************************************************************/
/*-------------------------------------------------
pdrawgfx - generic pdrawgfx with legacy
interface
-------------------------------------------------*/
void pdrawgfx(bitmap_t *dest, const gfx_element *gfx, UINT32 code, UINT32 color, int flipx, int flipy,
INT32 sx, INT32 sy, const rectangle *cliprect, int transparency, UINT32 transparent_color,
UINT32 priority_mask)
{
switch (transparency)
{
case TRANSPARENCY_NONE:
pdrawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, priority_bitmap, priority_mask);
break;
case TRANSPARENCY_PEN:
pdrawgfx_transpen(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, priority_bitmap, priority_mask, transparent_color);
break;
case TRANSPARENCY_PENS:
pdrawgfx_transmask(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, priority_bitmap, priority_mask, transparent_color);
break;
default:
fatalerror("Invalid transparency specified for pdrawgfx (%d)", transparency);
break;
}
}
/*-------------------------------------------------
pdrawgfx_opaque - render a gfx element with
no transparency, checking against the priority
bitmap
-------------------------------------------------*/
void pdrawgfx_opaque(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
bitmap_t *priority, UINT32 pmask)
{
const pen_t *paldata;
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REMAP_OPAQUE_PRIORITY, UINT8);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REMAP_OPAQUE_PRIORITY, UINT8);
}
/*-------------------------------------------------
pdrawgfx_transpen - render a gfx element with
a single transparent pen, checking against the
priority bitmap
-------------------------------------------------*/
void pdrawgfx_transpen(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
bitmap_t *priority, UINT32 pmask, UINT32 transpen)
{
const pen_t *paldata;
/* special case invalid pens to opaque */
if (transpen > 0xff)
{
pdrawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* use pen usage to optimize */
if (gfx->pen_usage != NULL && !gfx->dirty[code])
{
UINT32 usage = gfx->pen_usage[code];
/* fully transparent; do nothing */
if ((usage & ~(1 << transpen)) == 0)
return;
/* fully opaque; draw as such */
if ((usage & (1 << transpen)) == 0)
{
pdrawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask);
return;
}
}
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REMAP_TRANSPEN_PRIORITY, UINT8);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REMAP_TRANSPEN_PRIORITY, UINT8);
}
/*-------------------------------------------------
pdrawgfx_transpen_raw - render a gfx element
with a single transparent pen and no color
lookups, checking against the priority bitmap
-------------------------------------------------*/
void pdrawgfx_transpen_raw(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
bitmap_t *priority, UINT32 pmask, UINT32 transpen)
{
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
/* early out if completely transparent */
if (gfx->pen_usage != NULL && !gfx->dirty[code] && (gfx->pen_usage[code] & ~(1 << transpen)) == 0)
return;
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REBASE_TRANSPEN_PRIORITY, UINT8);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REBASE_TRANSPEN_PRIORITY, UINT8);
}
/*-------------------------------------------------
pdrawgfx_transmask - render a gfx element
with a multiple transparent pens provided as
a mask, checking against the priority bitmap
-------------------------------------------------*/
void pdrawgfx_transmask(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
bitmap_t *priority, UINT32 pmask, UINT32 transmask)
{
const pen_t *paldata;
/* special case 0 mask to opaque */
if (transmask == 0)
{
pdrawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* use pen usage to optimize */
if (gfx->pen_usage != NULL && !gfx->dirty[code])
{
UINT32 usage = gfx->pen_usage[code];
/* fully transparent; do nothing */
if ((usage & ~transmask) == 0)
return;
/* fully opaque; draw as such */
if ((usage & transmask) == 0)
{
pdrawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask);
return;
}
}
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REMAP_TRANSMASK_PRIORITY, UINT8);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REMAP_TRANSMASK_PRIORITY, UINT8);
}
/*-------------------------------------------------
pdrawgfx_transtable - render a gfx element
using a table to look up which pens are
transparent, opaque, or shadowing, checking
against the priority bitmap
-------------------------------------------------*/
void pdrawgfx_transtable(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
bitmap_t *priority, UINT32 pmask, const UINT8 *pentable, const pen_t *shadowtable)
{
const pen_t *paldata;
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
assert(pentable != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REMAP_TRANSTABLE16_PRIORITY, UINT8);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REMAP_TRANSTABLE32_PRIORITY, UINT8);
}
/*-------------------------------------------------
pdrawgfx_alpha - render a gfx element with
a single transparent pen, alpha blending the
remaining pixels with a fixed alpha value,
checking against the priority bitmap
-------------------------------------------------*/
void pdrawgfx_alpha(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
bitmap_t *priority, UINT32 pmask, UINT32 transpen, UINT8 alpha)
{
const pen_t *paldata;
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* special case alpha = 0xff */
if (alpha == 0xff)
{
pdrawgfx_transpen(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask, transpen);
return;
}
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* early out if completely transparent */
if (gfx->pen_usage != NULL && !gfx->dirty[code] && (gfx->pen_usage[code] & ~(1 << transpen)) == 0)
return;
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFX_CORE(UINT16, PIXEL_OP_REMAP_TRANSPEN_ALPHA16_PRIORITY, UINT8);
else
DRAWGFX_CORE(UINT32, PIXEL_OP_REMAP_TRANSPEN_ALPHA32_PRIORITY, UINT8);
}
/***************************************************************************
PDRAWGFXZOOM IMPLEMENTATIONS
***************************************************************************/
/*-------------------------------------------------
pdrawgfxzoom - generic pdrawgfxzoom with
legacy interface
-------------------------------------------------*/
void pdrawgfxzoom(bitmap_t *dest, const gfx_element *gfx, UINT32 code, UINT32 color, int flipx, int flipy,
INT32 sx, INT32 sy, const rectangle *cliprect, int transparency, UINT32 transparent_color,
UINT32 scalex, UINT32 scaley, UINT32 priority_mask)
{
switch (transparency)
{
case TRANSPARENCY_NONE:
pdrawgfxzoom_opaque(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, scalex, scaley, priority_bitmap, priority_mask);
break;
case TRANSPARENCY_PEN:
pdrawgfxzoom_transpen(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, scalex, scaley, priority_bitmap, priority_mask, transparent_color);
break;
case TRANSPARENCY_PENS:
pdrawgfxzoom_transmask(dest, cliprect, gfx, code, color, flipx, flipy, sx, sy, scalex, scaley, priority_bitmap, priority_mask, transparent_color);
break;
default:
fatalerror("Invalid transparency specified for pdrawgfxzoom (%d)", transparency);
break;
}
}
/*-------------------------------------------------
pdrawgfxzoom_opaque - render a scaled gfx
element with no transparency, checking against
the priority bitmap
-------------------------------------------------*/
void pdrawgfxzoom_opaque(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, bitmap_t *priority, UINT32 pmask)
{
const pen_t *paldata;
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
pdrawgfx_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REMAP_OPAQUE_PRIORITY, UINT8);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REMAP_OPAQUE_PRIORITY, UINT8);
}
/*-------------------------------------------------
pdrawgfxzoom_transpen - render a scaled gfx
element with a single transparent pen,
checking against the priority bitmap
-------------------------------------------------*/
void pdrawgfxzoom_transpen(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, bitmap_t *priority, UINT32 pmask,
UINT32 transpen)
{
const pen_t *paldata;
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
pdrawgfx_transpen(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask, transpen);
return;
}
/* special case invalid pens to opaque */
if (transpen > 0xff)
{
pdrawgfxzoom_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, scalex, scaley, priority, pmask);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* use pen usage to optimize */
if (gfx->pen_usage != NULL && !gfx->dirty[code])
{
UINT32 usage = gfx->pen_usage[code];
/* fully transparent; do nothing */
if ((usage & ~(1 << transpen)) == 0)
return;
/* fully opaque; draw as such */
if ((usage & (1 << transpen)) == 0)
{
pdrawgfxzoom_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, scalex, scaley, priority, pmask);
return;
}
}
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REMAP_TRANSPEN_PRIORITY, UINT8);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REMAP_TRANSPEN_PRIORITY, UINT8);
}
/*-------------------------------------------------
pdrawgfxzoom_transpen_raw - render a scaled gfx
element with a single transparent pen and no
color lookups, checking against the priority
bitmap
-------------------------------------------------*/
void pdrawgfxzoom_transpen_raw(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, bitmap_t *priority, UINT32 pmask,
UINT32 transpen)
{
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
pdrawgfx_transpen_raw(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask, transpen);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
/* early out if completely transparent */
if (gfx->pen_usage != NULL && !gfx->dirty[code] && (gfx->pen_usage[code] & ~(1 << transpen)) == 0)
return;
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REBASE_TRANSPEN_PRIORITY, UINT8);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REBASE_TRANSPEN_PRIORITY, UINT8);
}
/*-------------------------------------------------
pdrawgfxzoom_transmask - render a scaled gfx
element with a multiple transparent pens
provided as a mask, checking against the
priority bitmap
-------------------------------------------------*/
void pdrawgfxzoom_transmask(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, bitmap_t *priority, UINT32 pmask,
UINT32 transmask)
{
const pen_t *paldata;
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
pdrawgfx_transmask(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask, transmask);
return;
}
/* special case 0 mask to opaque */
if (transmask == 0)
{
pdrawgfxzoom_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, scalex, scaley, priority, pmask);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* use pen usage to optimize */
if (gfx->pen_usage != NULL && !gfx->dirty[code])
{
UINT32 usage = gfx->pen_usage[code];
/* fully transparent; do nothing */
if ((usage & ~transmask) == 0)
return;
/* fully opaque; draw as such */
if ((usage & transmask) == 0)
{
pdrawgfxzoom_opaque(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, scalex, scaley, priority, pmask);
return;
}
}
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REMAP_TRANSMASK_PRIORITY, UINT8);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REMAP_TRANSMASK_PRIORITY, UINT8);
}
/*-------------------------------------------------
pdrawgfxzoom_transtable - render a scaled gfx
element using a table to look up which pens
are transparent, opaque, or shadowing,
checking against the priority bitmap
-------------------------------------------------*/
void pdrawgfxzoom_transtable(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, bitmap_t *priority, UINT32 pmask,
const UINT8 *pentable, const pen_t *shadowtable)
{
const pen_t *paldata;
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
pdrawgfx_transtable(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask, pentable, shadowtable);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
assert(pentable != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REMAP_TRANSTABLE16_PRIORITY, UINT8);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REMAP_TRANSTABLE32_PRIORITY, UINT8);
}
/*-------------------------------------------------
pdrawgfxzoom_alpha - render a scaled gfx
element with a single transparent pen, alpha
blending the remaining pixels with a fixed
alpha value, checking against the priority
bitmap
-------------------------------------------------*/
void pdrawgfxzoom_alpha(bitmap_t *dest, const rectangle *cliprect, const gfx_element *gfx,
UINT32 code, UINT32 color, int flipx, int flipy, INT32 destx, INT32 desty,
UINT32 scalex, UINT32 scaley, bitmap_t *priority, UINT32 pmask,
UINT32 transpen, UINT8 alpha)
{
const pen_t *paldata;
/* non-zoom case */
if (scalex == 0x10000 && scaley == 0x10000)
{
pdrawgfx_alpha(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, priority, pmask, transpen, alpha);
return;
}
/* special case alpha = 0xff */
if (alpha == 0xff)
{
pdrawgfxzoom_transpen(dest, cliprect, gfx, code, color, flipx, flipy, destx, desty, scalex, scaley, priority, pmask, transpen);
return;
}
assert(dest != NULL);
assert(dest->bpp == 16 || dest->bpp == 32);
assert(gfx != NULL);
/* get final code and color, and grab lookup tables */
code %= gfx->total_elements;
color %= gfx->total_colors;
paldata = &gfx->machine->pens[gfx->color_base + gfx->color_granularity * color];
/* early out if completely transparent */
if (gfx->pen_usage != NULL && !gfx->dirty[code] && (gfx->pen_usage[code] & ~(1 << transpen)) == 0)
return;
/* high bit of the mask is implicitly on */
pmask |= 1 << 31;
/* render based on dest bitmap depth */
if (dest->bpp == 16)
DRAWGFXZOOM_CORE(UINT16, PIXEL_OP_REMAP_TRANSPEN_ALPHA16_PRIORITY, UINT8);
else
DRAWGFXZOOM_CORE(UINT32, PIXEL_OP_REMAP_TRANSPEN_ALPHA32_PRIORITY, UINT8);
}
/***************************************************************************
DRAW_SCANLINE IMPLEMENTATIONS
***************************************************************************/
/*-------------------------------------------------
draw_scanline8 - copy pixels from an 8bpp
buffer to a single scanline of a bitmap
-------------------------------------------------*/
void draw_scanline8(bitmap_t *bitmap, INT32 destx, INT32 desty, INT32 length, const UINT8 *srcptr, const pen_t *paldata)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
assert(bitmap != NULL);
assert(bitmap->bpp == 16 || bitmap->bpp == 32);
/* palette lookup case */
if (paldata != NULL)
{
/* 16bpp case */
if (bitmap->bpp == 16)
DRAWSCANLINE_CORE(UINT16, PIXEL_OP_REMAP_OPAQUE, NO_PRIORITY);
else
DRAWSCANLINE_CORE(UINT32, PIXEL_OP_REMAP_OPAQUE, NO_PRIORITY);
}
/* raw copy case */
else
{
/* 16bpp case */
if (bitmap->bpp == 16)
DRAWSCANLINE_CORE(UINT16, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
else
DRAWSCANLINE_CORE(UINT32, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
}
}
/*-------------------------------------------------
draw_scanline16 - copy pixels from a 16bpp
buffer to a single scanline of a bitmap
-------------------------------------------------*/
void draw_scanline16(bitmap_t *bitmap, INT32 destx, INT32 desty, INT32 length, const UINT16 *srcptr, const pen_t *paldata)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
assert(bitmap != NULL);
assert(bitmap->bpp == 16 || bitmap->bpp == 32);
/* palette lookup case */
if (paldata != NULL)
{
/* 16bpp case */
if (bitmap->bpp == 16)
DRAWSCANLINE_CORE(UINT16, PIXEL_OP_REMAP_OPAQUE, NO_PRIORITY);
else
DRAWSCANLINE_CORE(UINT32, PIXEL_OP_REMAP_OPAQUE, NO_PRIORITY);
}
/* raw copy case */
else
{
/* 16bpp case */
if (bitmap->bpp == 16)
DRAWSCANLINE_CORE(UINT16, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
else
DRAWSCANLINE_CORE(UINT32, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
}
}
/*-------------------------------------------------
draw_scanline32 - copy pixels from a 32bpp
buffer to a single scanline of a bitmap
-------------------------------------------------*/
void draw_scanline32(bitmap_t *bitmap, INT32 destx, INT32 desty, INT32 length, const UINT32 *srcptr, const pen_t *paldata)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
assert(bitmap != NULL);
assert(bitmap->bpp == 16 || bitmap->bpp == 32);
/* palette lookup case */
if (paldata != NULL)
{
/* 16bpp case */
if (bitmap->bpp == 16)
DRAWSCANLINE_CORE(UINT16, PIXEL_OP_REMAP_OPAQUE, NO_PRIORITY);
else
DRAWSCANLINE_CORE(UINT32, PIXEL_OP_REMAP_OPAQUE, NO_PRIORITY);
}
/* raw copy case */
else
{
/* 16bpp case */
if (bitmap->bpp == 16)
DRAWSCANLINE_CORE(UINT16, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
else
DRAWSCANLINE_CORE(UINT32, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
}
}
/***************************************************************************
EXTRACT_SCANLINE IMPLEMENTATIONS
***************************************************************************/
/*-------------------------------------------------
extract_scanline8 - copy pixels from a single
scanline of a bitmap to an 8bpp buffer
-------------------------------------------------*/
void extract_scanline8(bitmap_t *bitmap, INT32 srcx, INT32 srcy, INT32 length, UINT8 *destptr)
{
assert(bitmap != NULL);
assert(bitmap->bpp == 16 || bitmap->bpp == 32);
/* 16bpp case */
if (bitmap->bpp == 16)
EXTRACTSCANLINE_CORE(UINT16);
else
EXTRACTSCANLINE_CORE(UINT32);
}
/*-------------------------------------------------
extract_scanline16 - copy pixels from a single
scanline of a bitmap to a 16bpp buffer
-------------------------------------------------*/
void extract_scanline16(bitmap_t *bitmap, INT32 srcx, INT32 srcy, INT32 length, UINT16 *destptr)
{
assert(bitmap != NULL);
assert(bitmap->bpp == 16 || bitmap->bpp == 32);
/* 16bpp case */
if (bitmap->bpp == 16)
EXTRACTSCANLINE_CORE(UINT16);
else
EXTRACTSCANLINE_CORE(UINT32);
}
/*-------------------------------------------------
extract_scanline32 - copy pixels from a single
scanline of a bitmap to a 32bpp buffer
-------------------------------------------------*/
void extract_scanline32(bitmap_t *bitmap, INT32 srcx, INT32 srcy, INT32 length, UINT32 *destptr)
{
assert(bitmap != NULL);
assert(bitmap->bpp == 16 || bitmap->bpp == 32);
/* 16bpp case */
if (bitmap->bpp == 16)
EXTRACTSCANLINE_CORE(UINT16);
else
EXTRACTSCANLINE_CORE(UINT32);
}
/***************************************************************************
COPYBITMAP IMPLEMENTATIONS
***************************************************************************/
/*-------------------------------------------------
copybitmap - copy from one bitmap to another,
copying all unclipped pixels
-------------------------------------------------*/
void copybitmap(bitmap_t *dest, bitmap_t *src, int flipx, int flipy, INT32 destx, INT32 desty, const rectangle *cliprect)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
assert(dest != NULL);
assert(src != NULL);
assert(dest->bpp == 8 || dest->bpp == 16 || dest->bpp == 32);
assert(src->bpp == dest->bpp);
if (dest->bpp == 8)
COPYBITMAP_CORE(UINT8, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
else if (dest->bpp == 16)
COPYBITMAP_CORE(UINT16, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
else
COPYBITMAP_CORE(UINT32, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
}
/*-------------------------------------------------
copybitmap_trans - copy from one bitmap to
another, copying all unclipped pixels except
those that match transpen
-------------------------------------------------*/
void copybitmap_trans(bitmap_t *dest, bitmap_t *src, int flipx, int flipy, INT32 destx, INT32 desty, const rectangle *cliprect, UINT32 transpen)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
assert(dest != NULL);
assert(src != NULL);
assert(dest->bpp == 8 || dest->bpp == 16 || dest->bpp == 32);
assert(src->bpp == dest->bpp);
if (dest->bpp == 8)
{
if (transpen > 0xff)
copybitmap(dest, src, flipx, flipy, destx, desty, cliprect);
else
COPYBITMAP_CORE(UINT8, PIXEL_OP_COPY_TRANSPEN, NO_PRIORITY);
}
else if (dest->bpp == 16)
{
if (transpen > 0xffff)
copybitmap(dest, src, flipx, flipy, destx, desty, cliprect);
else
COPYBITMAP_CORE(UINT16, PIXEL_OP_COPY_TRANSPEN, NO_PRIORITY);
}
else
{
if (transpen == 0xffffffff)
copybitmap(dest, src, flipx, flipy, destx, desty, cliprect);
else
COPYBITMAP_CORE(UINT32, PIXEL_OP_COPY_TRANSPEN, NO_PRIORITY);
}
}
/***************************************************************************
COPYSCROLLBITMAP IMPLEMENTATIONS
***************************************************************************/
/*-------------------------------------------------
copyscrollbitmap - copy from one bitmap to
another, copying all unclipped pixels, and
applying scrolling to one or more rows/colums
-------------------------------------------------*/
void copyscrollbitmap(bitmap_t *dest, bitmap_t *src, UINT32 numrows, const INT32 *rowscroll, UINT32 numcols, const INT32 *colscroll, const rectangle *cliprect)
{
/* just call through to the transparent case as the underlying copybitmap will
optimize for pen == 0xffffffff */
copyscrollbitmap_trans(dest, src, numrows, rowscroll, numcols, colscroll, cliprect, 0xffffffff);
}
/*-------------------------------------------------
copyscrollbitmap_trans - copy from one bitmap
to another, copying all unclipped pixels
except those that match transpen, and applying
scrolling to one or more rows/colums
-------------------------------------------------*/
void copyscrollbitmap_trans(bitmap_t *dest, bitmap_t *src, UINT32 numrows, const INT32 *rowscroll, UINT32 numcols, const INT32 *colscroll, const rectangle *cliprect, UINT32 transpen)
{
/* no rowscroll and no colscroll means no scroll */
if (numrows == 0 && numcols == 0)
{
copybitmap_trans(dest, src, 0, 0, 0, 0, cliprect, transpen);
return;
}
assert(dest != NULL);
assert(src != NULL);
assert(dest->bpp == 8 || dest->bpp == 16 || dest->bpp == 32);
assert(dest->bpp == src->bpp);
assert(numrows != 0 || rowscroll == NULL);
assert(numrows == 0 || rowscroll != NULL);
assert(numcols != 0 || colscroll == NULL);
assert(numcols == 0 || colscroll != NULL);
/* NULL clip means use the full bitmap */
if (cliprect == NULL)
cliprect = &dest->cliprect;
/* fully scrolling X,Y playfield */
if (numrows <= 1 && numcols <= 1)
{
INT32 xscroll = normalize_xscroll(src, (numrows == 0) ? 0 : rowscroll[0]);
INT32 yscroll = normalize_yscroll(src, (numcols == 0) ? 0 : colscroll[0]);
INT32 sx, sy;
/* iterate over all portions of the scroll that overlap the destination */
for (sx = xscroll - src->width; sx < dest->width; sx += src->width)
for (sy = yscroll - src->height; sy < dest->height; sy += src->height)
copybitmap_trans(dest, src, 0, 0, sx, sy, cliprect, transpen);
}
/* scrolling columns plus horizontal scroll */
else if (numrows <= 1)
{
INT32 xscroll = normalize_xscroll(src, (numrows == 0) ? 0 : rowscroll[0]);
rectangle subclip = *cliprect;
int col, colwidth, groupcols;
/* determine width of each column */
colwidth = src->width / numcols;
assert(src->width % colwidth == 0);
/* iterate over each column */
for (col = 0; col < numcols; col += groupcols)
{
INT32 yscroll = colscroll[col];
INT32 sx, sy;
/* count consecutive columns scrolled by the same amount */
for (groupcols = 1; col + groupcols < numcols; groupcols++)
if (colscroll[col + groupcols] != yscroll)
break;
/* iterate over reps of the columns in question */
yscroll = normalize_yscroll(src, yscroll);
for (sx = xscroll - src->width; sx < dest->width; sx += src->width)
{
/* compute the cliprect for this group */
subclip.min_x = col * colwidth + sx;
subclip.max_x = (col + groupcols) * colwidth - 1 + sx;
sect_rect(&subclip, cliprect);
/* iterate over all portions of the scroll that overlap the destination */
for (sy = yscroll - src->height; sy < dest->height; sy += src->height)
copybitmap_trans(dest, src, 0, 0, sx, sy, &subclip, transpen);
}
}
}
/* scrolling rows plus vertical scroll */
else if (numcols <= 1)
{
INT32 yscroll = normalize_yscroll(src, (numcols == 0) ? 0 : colscroll[0]);
rectangle subclip = *cliprect;
int row, rowheight, grouprows;
/* determine width of each rows */
rowheight = src->height / numrows;
assert(src->height % rowheight == 0);
/* iterate over each row */
for (row = 0; row < numrows; row += grouprows)
{
INT32 xscroll = rowscroll[row];
INT32 sx, sy;
/* count consecutive rows scrolled by the same amount */
for (grouprows = 1; row + grouprows < numrows; grouprows++)
if (rowscroll[row + grouprows] != xscroll)
break;
/* iterate over reps of the rows in question */
xscroll = normalize_xscroll(src, xscroll);
for (sy = yscroll - src->height; sy < dest->height; sy += src->height)
{
/* compute the cliprect for this group */
subclip.min_y = row * rowheight + sy;
subclip.max_y = (row + grouprows) * rowheight - 1 + sy;
sect_rect(&subclip, cliprect);
/* iterate over all portions of the scroll that overlap the destination */
for (sx = xscroll - src->width; sx < dest->width; sx += src->width)
copybitmap_trans(dest, src, 0, 0, sx, sy, &subclip, transpen);
}
}
}
}
/***************************************************************************
COPYROZBITMAP IMPLEMENTATIONS
***************************************************************************/
/*-------------------------------------------------
copyrozbitmap - copy from one bitmap to another,
with zoom and rotation, copying all unclipped
pixels
-------------------------------------------------*/
void copyrozbitmap(bitmap_t *dest, const rectangle *cliprect, bitmap_t *src, INT32 startx, INT32 starty, INT32 incxx, INT32 incxy, INT32 incyx, INT32 incyy, int wraparound)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
assert(dest != NULL);
assert(src != NULL);
assert(dest->bpp == 8 || dest->bpp == 16 || dest->bpp == 32);
assert(src->bpp == dest->bpp);
if (dest->bpp == 8)
COPYROZBITMAP_CORE(UINT8, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
else if (dest->bpp == 16)
COPYROZBITMAP_CORE(UINT16, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
else
COPYROZBITMAP_CORE(UINT32, PIXEL_OP_COPY_OPAQUE, NO_PRIORITY);
}
/*-------------------------------------------------
copyrozbitmap_trans - copy from one bitmap to
another, with zoom and rotation, copying all
unclipped pixels whose values do not match
transpen
-------------------------------------------------*/
void copyrozbitmap_trans(bitmap_t *dest, const rectangle *cliprect, bitmap_t *src, INT32 startx, INT32 starty, INT32 incxx, INT32 incxy, INT32 incyx, INT32 incyy, int wraparound, UINT32 transpen)
{
bitmap_t *priority = NULL; /* dummy, no priority in this case */
assert(dest != NULL);
assert(src != NULL);
assert(dest->bpp == 8 || dest->bpp == 16 || dest->bpp == 32);
assert(src->bpp == dest->bpp);
if (dest->bpp == 8)
COPYROZBITMAP_CORE(UINT8, PIXEL_OP_COPY_TRANSPEN, NO_PRIORITY);
else if (dest->bpp == 16)
COPYROZBITMAP_CORE(UINT16, PIXEL_OP_COPY_TRANSPEN, NO_PRIORITY);
else
COPYROZBITMAP_CORE(UINT32, PIXEL_OP_COPY_TRANSPEN, NO_PRIORITY);
}