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tcx: remove primitives for non-32-bit surfaces

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As all surfaces in QEMU are now either shared or 32-bit ARGB regardless of
the guest depth, remove all non-32-bit primitives from tcx_update_display()
and consequence their implementation which are no longer required.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Mark Cave-Ayland 2017-04-05 09:02:47 +01:00
parent d18e101225
commit ee72bed08c
1 changed files with 8 additions and 118 deletions
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126
hw/display/tcx.c
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@ -140,25 +140,12 @@ static void update_palette_entries(TCXState *s, int start, int end)
int i;
for (i = start; i < end; i++) {
switch (surface_bits_per_pixel(surface)) {
default:
case 8:
s->palette[i] = rgb_to_pixel8(s->r[i], s->g[i], s->b[i]);
break;
case 15:
s->palette[i] = rgb_to_pixel15(s->r[i], s->g[i], s->b[i]);
break;
case 16:
s->palette[i] = rgb_to_pixel16(s->r[i], s->g[i], s->b[i]);
break;
case 32:
if (is_surface_bgr(surface)) {
s->palette[i] = rgb_to_pixel32bgr(s->r[i], s->g[i], s->b[i]);
} else {
s->palette[i] = rgb_to_pixel32(s->r[i], s->g[i], s->b[i]);
}
break;
if (is_surface_bgr(surface)) {
s->palette[i] = rgb_to_pixel32bgr(s->r[i], s->g[i], s->b[i]);
} else {
s->palette[i] = rgb_to_pixel32(s->r[i], s->g[i], s->b[i]);
}
break;
}
tcx_set_dirty(s, 0, memory_region_size(&s->vram_mem));
}
@ -176,31 +163,6 @@ static void tcx_draw_line32(TCXState *s1, uint8_t *d,
}
}
static void tcx_draw_line16(TCXState *s1, uint8_t *d,
const uint8_t *s, int width)
{
int x;
uint8_t val;
uint16_t *p = (uint16_t *)d;
for (x = 0; x < width; x++) {
val = *s++;
*p++ = s1->palette[val];
}
}
static void tcx_draw_line8(TCXState *s1, uint8_t *d,
const uint8_t *s, int width)
{
int x;
uint8_t val;
for(x = 0; x < width; x++) {
val = *s++;
*d++ = s1->palette[val];
}
}
static void tcx_draw_cursor32(TCXState *s1, uint8_t *d,
int y, int width)
{
@ -227,57 +189,6 @@ static void tcx_draw_cursor32(TCXState *s1, uint8_t *d,
}
}
static void tcx_draw_cursor16(TCXState *s1, uint8_t *d,
int y, int width)
{
int x, len;
uint32_t mask, bits;
uint16_t *p = (uint16_t *)d;
y = y - s1->cursy;
mask = s1->cursmask[y];
bits = s1->cursbits[y];
len = MIN(width - s1->cursx, 32);
p = &p[s1->cursx];
for (x = 0; x < len; x++) {
if (mask & 0x80000000) {
if (bits & 0x80000000) {
*p = s1->palette[259];
} else {
*p = s1->palette[258];
}
}
p++;
mask <<= 1;
bits <<= 1;
}
}
static void tcx_draw_cursor8(TCXState *s1, uint8_t *d,
int y, int width)
{
int x, len;
uint32_t mask, bits;
y = y - s1->cursy;
mask = s1->cursmask[y];
bits = s1->cursbits[y];
len = MIN(width - s1->cursx, 32);
d = &d[s1->cursx];
for (x = 0; x < len; x++) {
if (mask & 0x80000000) {
if (bits & 0x80000000) {
*d = s1->palette[259];
} else {
*d = s1->palette[258];
}
}
d++;
mask <<= 1;
bits <<= 1;
}
}
/*
XXX Could be much more optimal:
* detect if line/page/whole screen is in 24 bit mode
@ -326,10 +237,8 @@ static void tcx_update_display(void *opaque)
ram_addr_t page, page_min, page_max;
int y, y_start, dd, ds;
uint8_t *d, *s;
void (*f)(TCXState *s1, uint8_t *dst, const uint8_t *src, int width);
void (*fc)(TCXState *s1, uint8_t *dst, int y, int width);
if (surface_bits_per_pixel(surface) == 0) {
if (surface_bits_per_pixel(surface) != 32) {
return;
}
@ -342,25 +251,6 @@ static void tcx_update_display(void *opaque)
dd = surface_stride(surface);
ds = 1024;
switch (surface_bits_per_pixel(surface)) {
case 32:
f = tcx_draw_line32;
fc = tcx_draw_cursor32;
break;
case 15:
case 16:
f = tcx_draw_line16;
fc = tcx_draw_cursor16;
break;
default:
case 8:
f = tcx_draw_line8;
fc = tcx_draw_cursor8;
break;
case 0:
return;
}
memory_region_sync_dirty_bitmap(&ts->vram_mem);
for (y = 0; y < ts->height; y++, page += ds) {
if (tcx_check_dirty(ts, page, ds)) {
@ -371,9 +261,9 @@ static void tcx_update_display(void *opaque)
if (page > page_max)
page_max = page;
f(ts, d, s, ts->width);
tcx_draw_line32(ts, d, s, ts->width);
if (y >= ts->cursy && y < ts->cursy + 32 && ts->cursx < ts->width) {
fc(ts, d, y, ts->width);
tcx_draw_cursor32(ts, d, y, ts->width);
}
} else {
if (y_start >= 0) {