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pixman: add pixman image to DisplaySurface 

Surfaces are now allocated using pixman.  DisplaySurface gets new
struct fields with pixman image and data.  DisplayChangeListeners
can easily start using pixman now.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-09-26 15:20:05 +02:00
parent d2ec7e24a2
commit 69c7777720
2 changed files with 27 additions and 13 deletions
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37
console.c
View File

@ -1319,18 +1319,23 @@ DisplaySurface *qemu_resize_displaysurface(DisplayState *ds,
void qemu_alloc_display(DisplaySurface *surface, int width, int height,
int linesize, PixelFormat pf, int newflags)
{
void *data;
surface->width = width;
surface->height = height;
surface->linesize = linesize;
surface->pf = pf;
if (surface->flags & QEMU_ALLOCATED_FLAG) {
data = g_realloc(surface->data,
surface->linesize * surface->height);
} else {
data = g_malloc(surface->linesize * surface->height);
}
surface->data = (uint8_t *)data;
qemu_pixman_image_unref(surface->image);
surface->image = NULL;
surface->data = NULL;
surface->format = qemu_pixman_get_format(&pf);
assert(surface->format != 0);
surface->image = pixman_image_create_bits(surface->format,
width, height,
NULL, linesize);
assert(surface->image != NULL);
surface->data = (uint8_t *)pixman_image_get_data(surface->image);
surface->flags = newflags | QEMU_ALLOCATED_FLAG;
#ifdef HOST_WORDS_BIGENDIAN
surface->flags |= QEMU_BIG_ENDIAN_FLAG;
@ -1338,14 +1343,22 @@ void qemu_alloc_display(DisplaySurface *surface, int width, int height,
}
DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp,
int linesize, uint8_t *data)
int linesize, uint8_t *data)
{
DisplaySurface *surface = (DisplaySurface*) g_malloc0(sizeof(DisplaySurface));
DisplaySurface *surface = g_new0(DisplaySurface, 1);
surface->width = width;
surface->height = height;
surface->linesize = linesize;
surface->pf = qemu_default_pixelformat(bpp);
surface->format = qemu_pixman_get_format(&surface->pf);
assert(surface->format != 0);
surface->image = pixman_image_create_bits(surface->format,
width, height,
(void *)data, linesize);
assert(surface->image != NULL);
#ifdef HOST_WORDS_BIGENDIAN
surface->flags = QEMU_BIG_ENDIAN_FLAG;
#endif
@ -1360,9 +1373,7 @@ void qemu_free_displaysurface(DisplayState *ds)
if (ds->surface == NULL) {
return;
}
if (ds->surface->flags & QEMU_ALLOCATED_FLAG) {
g_free(ds->surface->data);
}
qemu_pixman_image_unref(ds->surface->image);
g_free(ds->surface);
}

3
console.h
View File

@ -2,6 +2,7 @@
#define CONSOLE_H
#include "qemu-char.h"
#include "qemu-pixman.h"
#include "qdict.h"
#include "notify.h"
#include "monitor.h"
@ -119,6 +120,8 @@ struct PixelFormat {
};
struct DisplaySurface {
pixman_format_code_t format;
pixman_image_t *image;
uint8_t flags;
int width;
int height;