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qxl: remove flipped 

Tested on linux and windows guests. For negative stride, qxl_flip copies
directly to vga->ds->surface->data, for positive it's reallocated to
share qxl->guest_primary.data

Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Alon Levy 2012-02-24 23:19:29 +02:00 committed by Gerd Hoffmann
parent 4295e15aa7
commit 4c19ebb51d
2 changed files with 31 additions and 37 deletions

66
hw/qxl-render.c
View File

@ -23,10 +23,21 @@
static void qxl_flip(PCIQXLDevice *qxl, QXLRect *rect)
{
uint8_t *src = qxl->guest_primary.data;
uint8_t *dst = qxl->guest_primary.flipped;
uint8_t *src;
uint8_t *dst = qxl->vga.ds->surface->data;
int len, i;
if (qxl->guest_primary.qxl_stride > 0) {
return;
}
if (!qxl->guest_primary.data) {
dprint(qxl, 1, "%s: initializing guest_primary.data\n", __func__);
qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram);
}
dprint(qxl, 1, "%s: stride %d, [%d, %d, %d, %d]\n", __func__,
qxl->guest_primary.qxl_stride,
rect->left, rect->right, rect->top, rect->bottom);
src = qxl->guest_primary.data;
src += (qxl->guest_primary.surface.height - rect->top - 1) *
qxl->guest_primary.abs_stride;
dst += rect->top * qxl->guest_primary.abs_stride;
@ -75,52 +86,38 @@ void qxl_render_update(PCIQXLDevice *qxl)
{
VGACommonState *vga = &qxl->vga;
QXLRect dirty[32], update;
void *ptr;
int i, redraw = 0;
if (!is_buffer_shared(vga->ds->surface)) {
dprint(qxl, 1, "%s: restoring shared displaysurface\n", __func__);
qxl->guest_primary.resized++;
qxl->guest_primary.commands++;
redraw = 1;
}
DisplaySurface *surface = vga->ds->surface;
if (qxl->guest_primary.resized) {
qxl->guest_primary.resized = 0;
if (qxl->guest_primary.flipped) {
g_free(qxl->guest_primary.flipped);
qxl->guest_primary.flipped = NULL;
}
qemu_free_displaysurface(vga->ds);
qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram);
if (qxl->guest_primary.qxl_stride < 0) {
/* spice surface is upside down -> need extra buffer to flip */
qxl->guest_primary.flipped =
g_malloc(qxl->guest_primary.surface.width *
qxl->guest_primary.abs_stride);
ptr = qxl->guest_primary.flipped;
} else {
ptr = qxl->guest_primary.data;
}
dprint(qxl, 1, "%s: %dx%d, stride %d, bpp %d, depth %d, flip %s\n",
dprint(qxl, 1, "%s: %dx%d, stride %d, bpp %d, depth %d\n",
__FUNCTION__,
qxl->guest_primary.surface.width,
qxl->guest_primary.surface.height,
qxl->guest_primary.qxl_stride,
qxl->guest_primary.bytes_pp,
qxl->guest_primary.bits_pp,
qxl->guest_primary.flipped ? "yes" : "no");
vga->ds->surface =
qxl->guest_primary.bits_pp);
}
if (surface->width != qxl->guest_primary.surface.width ||
surface->height != qxl->guest_primary.surface.height) {
dprint(qxl, 1, "%s: resizing displaysurface to guest_primary\n",
__func__);
if (qxl->guest_primary.qxl_stride > 0) {
qemu_free_displaysurface(vga->ds);
qemu_create_displaysurface_from(qxl->guest_primary.surface.width,
qxl->guest_primary.surface.height,
qxl->guest_primary.bits_pp,
qxl->guest_primary.abs_stride,
ptr);
dpy_resize(vga->ds);
qxl->guest_primary.data);
} else {
qemu_resize_displaysurface(vga->ds,
qxl->guest_primary.surface.width,
qxl->guest_primary.surface.height);
}
}
update.left = 0;
update.right = qxl->guest_primary.surface.width;
update.top = 0;
@ -136,14 +133,11 @@ void qxl_render_update(PCIQXLDevice *qxl)
memset(dirty, 0, sizeof(dirty));
dirty[0] = update;
}
for (i = 0; i < ARRAY_SIZE(dirty); i++) {
if (qemu_spice_rect_is_empty(dirty+i)) {
break;
}
if (qxl->guest_primary.flipped) {
qxl_flip(qxl, dirty+i);
}
qxl_flip(qxl, dirty+i);
dpy_update(vga->ds,
dirty[i].left, dirty[i].top,
dirty[i].right - dirty[i].left,

2
hw/qxl.h
View File

@ -52,7 +52,7 @@ typedef struct PCIQXLDevice {
uint32_t abs_stride;
uint32_t bits_pp;
uint32_t bytes_pp;
uint8_t *data, *flipped;
uint8_t *data;
} guest_primary;
struct surfaces {