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[Qemu-devel] [PATCH] vga: do not resize the screen on hw_invalidate
From: |
Stefano Stabellini |
Subject: |
[Qemu-devel] [PATCH] vga: do not resize the screen on hw_invalidate |
Date: |
Mon, 3 Aug 2009 16:14:39 +0100 |
User-agent: |
Alpine 2.00 (DEB 1167 2008-08-23) |
Hi all,
currently vga always resizes the screen when vga_hw_invalidate is called
while this is not required and all the other graphic emulators don't.
This patch fixes it, making vga invalidate behaviour consistent with the
other emulated devices.
Signed-off-by: Stefano Stabellini <address@hidden>
---
hw/vga.c | 6 +++---
hw/vga_int.h | 1 +
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/hw/vga.c b/hw/vga.c
index 4d74ffe..53b5ff6 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -1837,7 +1837,8 @@ static void vga_update_display(void *opaque)
if (ds_get_bits_per_pixel(s->ds) == 0) {
/* nothing to do */
} else {
- full_update = 0;
+ full_update = s->full_update;
+ s->full_update = 0;
if (!(s->ar_index & 0x20)) {
graphic_mode = GMODE_BLANK;
} else {
@@ -1867,8 +1868,7 @@ static void vga_invalidate_display(void *opaque)
{
VGAState *s = (VGAState *)opaque;
- s->last_width = -1;
- s->last_height = -1;
+ s->full_update = 1;
}
void vga_reset(void *opaque)
diff --git a/hw/vga_int.h b/hw/vga_int.h
index 631b1b0..8fdf51d 100644
--- a/hw/vga_int.h
+++ b/hw/vga_int.h
@@ -158,6 +158,7 @@ typedef struct VGACommonState {
uint32_t last_width, last_height; /* in chars or pixels */
uint32_t last_scr_width, last_scr_height; /* in pixels */
uint32_t last_depth; /* in bits */
+ uint8_t full_update;
uint8_t cursor_start, cursor_end;
uint32_t cursor_offset;
unsigned int (*rgb_to_pixel)(unsigned int r,
--
1.5.4.3
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