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f153b563f8
qemu/hw/display
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Wolfgang Bumiller f153b563f8 cirrus: handle negative pitch in cirrus_invalidate_region() 
cirrus_invalidate_region() calls memory_region_set_dirty()
on a per-line basis, always ranging from off_begin to
off_begin+bytesperline. With a negative pitch off_begin
marks the top most used address and thus we need to do an
initial shift backwards by a line for negative pitches of
backward blits, otherwise the first iteration covers the
line going from the start offset forwards instead of
backwards.
Additionally since the start address is inclusive, if we
shift by a full `bytesperline` we move to the first address
*not* included in the blit, so we only shift by one less
than bytesperline.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Message-id: 1485352137-29367-1-git-send-email-w.bumiller@proxmox.com

[ kraxel: codestyle fixes ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-01 09:41:53 +01:00
..
ads7846.c ssi: change ssi_slave_init to be a realize ops 2016-07-04 13:15:22 +01:00
bcm2835_fb.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
blizzard.c hw/display/blizzard: Remove blizzard_template.h 2016-05-12 13:22:30 +01:00
cg3.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
cirrus_vga_rop2.h hw: move private headers to hw/ subdirectories. 2013-04-08 18:13:16 +02:00
cirrus_vga_rop.h cirrus: Fix host CPU blits 2014-07-11 10:17:02 +02:00
cirrus_vga.c cirrus: handle negative pitch in cirrus_invalidate_region() 2017-02-01 09:41:53 +01:00
dpcd.c aux: Rename aux.[ch] to auxbus.[ch] for the benefit of Windows 2016-07-07 13:47:01 +01:00
exynos4210_fimd.c hw/display: QOM'ify exynos4210_fimd.c 2016-05-12 13:22:27 +01:00
framebuffer.c hw/display/framebuffer.c: Avoid overflow for framebuffers > 4GB 2017-01-24 23:26:53 +03:00
framebuffer.h framebuffer: set DIRTY_MEMORY_VGA on RAM that is used for the framebuffer 2015-07-24 13:57:45 +02:00
g364fb.c hw/display: Clean up includes 2016-01-29 15:07:24 +00:00
jazz_led.c hw/display: QOM'ify jazz_led.c 2016-05-13 09:33:38 +01:00
Makefile.objs introduce xlnx-dp 2016-06-14 16:01:03 +01:00
milkymist-tmu2.c char: rename CharDriverState Chardev 2017-01-27 18:07:59 +01:00
milkymist-vgafb_template.h milkymist-vgafb: swap pixel data in source buffer 2014-02-04 19:34:30 +01:00
milkymist-vgafb.c milkymist: update specification URLs 2016-06-20 18:12:04 +02:00
omap_dss.c hw/display: Clean up includes 2016-01-29 15:07:24 +00:00
omap_lcd_template.h omap_lcdc: Remove support for DEPTH != 32 2016-05-12 13:22:24 +01:00
omap_lcdc.c omap_lcdc: Remove support for DEPTH != 32 2016-05-12 13:22:24 +01:00
pl110_template.h display: avoid multi-statement macro 2014-01-31 14:47:33 +00:00
pl110.c hw/display: QOM'ify pl110.c 2016-10-24 16:26:56 +01:00
pxa2xx_lcd.c arm: Clean up includes 2016-01-29 15:07:23 +00:00
pxa2xx_template.h display: avoid multi-statement macro 2014-01-31 14:47:33 +00:00
qxl-logger.c hw/display: Clean up includes 2016-01-29 15:07:24 +00:00
qxl-render.c hw/display: Clean up includes 2016-01-29 15:07:24 +00:00
qxl.c qxl: Only emit QXL_INTERRUPT_CLIENT_MONITORS_CONFIG on config changes 2016-12-05 09:37:52 +01:00
qxl.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
sm501_template.h hw: use ld_p/st_p instead of ld_raw/st_raw 2014-06-05 16:04:17 +02:00
sm501.c char: rename CharDriverState Chardev 2017-01-27 18:07:59 +01:00
ssd0303.c i2c: Allow I2C devices to NAK start events 2017-01-09 11:40:20 +00:00
ssd0323.c vmstateify ssd0323 display 2016-09-22 18:13:08 +01:00
tc6393xb_template.h display: avoid multi-statement macro 2014-01-31 14:47:33 +00:00
tc6393xb.c qemu-common: stop including qemu/host-utils.h from qemu-common.h 2016-05-19 16:42:28 +02:00
tcx.c hw: explicitly include qemu-common.h and cpu.h 2016-03-22 22:20:17 +01:00
trace-events trace-events: fix first line comment in trace-events 2016-08-12 10:36:01 +01:00
vga_int.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
vga-helpers.h vga: Rename vga_template.h to vga-helpers.h 2014-09-30 13:34:09 +02:00
vga-isa-mm.c hw/display: Clean up includes 2016-01-29 15:07:24 +00:00
vga-isa.c portio: keep references on portio 2016-09-08 18:05:21 +04:00
vga-pci.c hw/display: Clean up includes 2016-01-29 15:07:24 +00:00
vga.c coccinelle: Remove unnecessary variables for function return value 2016-06-20 16:38:13 +02:00
vga.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
virtio-gpu-3d.c virtio-gpu: fix information leak in capset get dispatch 2017-01-11 09:19:05 +01:00
virtio-gpu-pci.c virtio-gpu-pci: tag as not hotpluggable 2016-09-13 09:26:58 +02:00
virtio-gpu.c migration: disallow migrate_add_blocker during migration 2017-01-24 18:00:30 +00:00
virtio-vga.c virtio: rename the bar index field name in VirtIOPCIProxy 2016-10-08 11:25:29 +03:00
vmware_vga.c vmsvga: correct bitmap and pixmap size checks 2016-09-13 09:24:35 +02:00
xenfb.c xen: Rename xen_be_find_xendev 2016-10-28 17:54:39 -07:00
xlnx_dp.c hw: Fix typos found by codespell 2017-01-24 23:26:52 +03:00