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[Qemu-devel] [PATCH 1/7] Consolidate DisplaySurface allocation in qemu_a
From: |
Jes . Sorensen |
Subject: |
[Qemu-devel] [PATCH 1/7] Consolidate DisplaySurface allocation in qemu_alloc_display() |
Date: |
Tue, 15 Mar 2011 13:36:08 +0100 |
From: Jes Sorensen <address@hidden>
This removes various code duplication from console.e and sdl.c
Signed-off-by: Jes Sorensen <address@hidden>
---
console.c | 45 +++++++++++++++++++++++++--------------------
console.h | 3 +++
ui/sdl.c | 21 ++++++++-------------
3 files changed, 36 insertions(+), 33 deletions(-)
diff --git a/console.c b/console.c
index 57d6eb5..4939a72 100644
--- a/console.c
+++ b/console.c
@@ -1278,35 +1278,40 @@ static DisplaySurface*
defaultallocator_create_displaysurface(int width, int hei
{
DisplaySurface *surface = (DisplaySurface*)
qemu_mallocz(sizeof(DisplaySurface));
- surface->width = width;
- surface->height = height;
- surface->linesize = width * 4;
- surface->pf = qemu_default_pixelformat(32);
-#ifdef HOST_WORDS_BIGENDIAN
- surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
-#else
- surface->flags = QEMU_ALLOCATED_FLAG;
-#endif
- surface->data = (uint8_t*) qemu_mallocz(surface->linesize *
surface->height);
-
+ int linesize = width * 4;
+ surface = qemu_alloc_display(surface, width, height, linesize,
+ qemu_default_pixelformat(32), 0);
return surface;
}
static DisplaySurface* defaultallocator_resize_displaysurface(DisplaySurface
*surface,
int width, int height)
{
+ int linesize = width * 4;
+ surface = qemu_alloc_display(surface, width, height, linesize,
+ qemu_default_pixelformat(32), 0);
+ return surface;
+}
+
+DisplaySurface*
+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 = width * 4;
- surface->pf = qemu_default_pixelformat(32);
- if (surface->flags & QEMU_ALLOCATED_FLAG)
- surface->data = (uint8_t*) qemu_realloc(surface->data,
surface->linesize * surface->height);
- else
- surface->data = (uint8_t*) qemu_malloc(surface->linesize *
surface->height);
+ surface->linesize = linesize;
+ surface->pf = pf;
+ if (surface->flags & QEMU_ALLOCATED_FLAG) {
+ data = qemu_realloc(surface->data,
+ surface->linesize * surface->height);
+ } else {
+ data = qemu_malloc(surface->linesize * surface->height);
+ }
+ surface->data = (uint8_t *)data;
+ surface->flags = newflags | QEMU_ALLOCATED_FLAG;
#ifdef HOST_WORDS_BIGENDIAN
- surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
-#else
- surface->flags = QEMU_ALLOCATED_FLAG;
+ surface->flags |= QEMU_BIG_ENDIAN_FLAG;
#endif
return surface;
diff --git a/console.h b/console.h
index f4e4741..dec9a76 100644
--- a/console.h
+++ b/console.h
@@ -189,6 +189,9 @@ void register_displaystate(DisplayState *ds);
DisplayState *get_displaystate(void);
DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
int linesize, uint8_t *data);
+DisplaySurface* qemu_alloc_display(DisplaySurface *surface, int width,
+ int height, int linesize,
+ PixelFormat pf, int newflags);
PixelFormat qemu_different_endianness_pixelformat(int bpp);
PixelFormat qemu_default_pixelformat(int bpp);
diff --git a/ui/sdl.c b/ui/sdl.c
index 47ac49c..6c10ea6 100644
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -176,23 +176,18 @@ static DisplaySurface* sdl_create_displaysurface(int
width, int height)
surface->width = width;
surface->height = height;
-
+
if (scaling_active) {
+ int linesize;
+ PixelFormat pf;
if (host_format.BytesPerPixel != 2 && host_format.BytesPerPixel != 4) {
- surface->linesize = width * 4;
- surface->pf = qemu_default_pixelformat(32);
+ linesize = width * 4;
+ pf = qemu_default_pixelformat(32);
} else {
- surface->linesize = width * host_format.BytesPerPixel;
- surface->pf = sdl_to_qemu_pixelformat(&host_format);
+ linesize = width * host_format.BytesPerPixel;
+ pf = sdl_to_qemu_pixelformat(&host_format);
}
-#ifdef HOST_WORDS_BIGENDIAN
- surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
-#else
- surface->flags = QEMU_ALLOCATED_FLAG;
-#endif
- surface->data = (uint8_t*) qemu_mallocz(surface->linesize *
surface->height);
-
- return surface;
+ return qemu_alloc_display(surface, width, height, linesize, pf, 0);
}
if (host_format.BitsPerPixel == 16)
--
1.7.4