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pixman: switch screendump function.

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-10-10 13:12:58 +02:00
parent 1fd2510a37
commit b12f32c408
1 changed files with 11 additions and 28 deletions
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39
hw/vga.c
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@ -2393,13 +2393,12 @@ void vga_init_vbe(VGACommonState *s, MemoryRegion *system_memory)
void ppm_save(const char *filename, struct DisplaySurface *ds, Error **errp)
{
int width = pixman_image_get_width(ds->image);
int height = pixman_image_get_height(ds->image);
FILE *f;
uint8_t *d, *d1;
uint32_t v;
int y, x;
uint8_t r, g, b;
int y;
int ret;
char *linebuf, *pbuf;
pixman_image_t *linebuf;
trace_ppm_save(filename, ds);
f = fopen(filename, "wb");
@ -2408,33 +2407,17 @@ void ppm_save(const char *filename, struct DisplaySurface *ds, Error **errp)
strerror(errno));
return;
}
ret = fprintf(f, "P6\n%d %d\n%d\n", ds->width, ds->height, 255);
ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
if (ret < 0) {
linebuf = NULL;
goto write_err;
}
linebuf = g_malloc(ds->width * 3);
d1 = ds->data;
for(y = 0; y < ds->height; y++) {
d = d1;
pbuf = linebuf;
for(x = 0; x < ds->width; x++) {
if (ds->pf.bits_per_pixel == 32)
v = *(uint32_t *)d;
else
v = (uint32_t) (*(uint16_t *)d);
/* Limited to 8 or fewer bits per channel: */
r = ((v >> ds->pf.rshift) & ds->pf.rmax) << (8 - ds->pf.rbits);
g = ((v >> ds->pf.gshift) & ds->pf.gmax) << (8 - ds->pf.gbits);
b = ((v >> ds->pf.bshift) & ds->pf.bmax) << (8 - ds->pf.bbits);
*pbuf++ = r;
*pbuf++ = g;
*pbuf++ = b;
d += ds->pf.bytes_per_pixel;
}
d1 += ds->linesize;
linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
for (y = 0; y < height; y++) {
qemu_pixman_linebuf_fill(linebuf, ds->image, width, y);
clearerr(f);
ret = fwrite(linebuf, 1, pbuf - linebuf, f);
ret = fwrite(pixman_image_get_data(linebuf), 1,
pixman_image_get_stride(linebuf), f);
(void)ret;
if (ferror(f)) {
goto write_err;
@ -2442,7 +2425,7 @@ void ppm_save(const char *filename, struct DisplaySurface *ds, Error **errp)
}
out:
g_free(linebuf);
qemu_pixman_image_unref(linebuf);
fclose(f);
return;