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ui+display: rename is_buffer_shared() -> surface_is_allocated()

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Boolean return value is reversed, to align with QEMU_ALLOCATED_FLAG, so
all callers must be adapted.  Also rename share_surface variable in
vga_draw_graphic() to reduce confusion.

No functional change.

Suggested-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20240605131444.797896-4-kraxel@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Gerd Hoffmann 2024-06-05 15:14:43 +02:00 • committed by Philippe Mathieu-Daudé
parent 9badf12ac2
commit abd749b517
5 changed files with 18 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

2
hw/display/qxl-render.c
View file

@ -31,7 +31,7 @@ static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect)
uint8_t *src;
int len, i;
if (is_buffer_shared(surface)) {
if (!surface_is_allocated(surface)) {
return;
}
trace_qxl_render_blit(qxl->guest_primary.qxl_stride,

20
hw/display/vga.c
View file

@ -1487,7 +1487,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
uint8_t *d;
uint32_t v, addr1, addr;
vga_draw_line_func *vga_draw_line = NULL;
bool share_surface, force_shadow = false;
bool allocate_surface, force_shadow = false;
pixman_format_code_t format;
#if HOST_BIG_ENDIAN
bool byteswap = !s->big_endian_fb;
@ -1609,10 +1609,10 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
*/
format = qemu_default_pixman_format(depth, !byteswap);
if (format) {
share_surface = dpy_gfx_check_format(s->con, format)
&& !s->force_shadow && !force_shadow;
allocate_surface = !dpy_gfx_check_format(s->con, format)
|| s->force_shadow || force_shadow;
} else {
share_surface = false;
allocate_surface = true;
}
if (s->params.line_offset != s->last_line_offset ||
@ -1620,7 +1620,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
height != s->last_height ||
s->last_depth != depth ||
s->last_byteswap != byteswap ||
share_surface != is_buffer_shared(surface)) {
allocate_surface != surface_is_allocated(surface)) {
/* display parameters changed -> need new display surface */
s->last_scr_width = disp_width;
s->last_scr_height = height;
@ -1635,14 +1635,14 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
full_update = 1;
}
if (surface_data(surface) != s->vram_ptr + (s->params.start_addr * 4)
&& is_buffer_shared(surface)) {
&& !surface_is_allocated(surface)) {
/* base address changed (page flip) -> shared display surfaces
* must be updated with the new base address */
full_update = 1;
}
if (full_update) {
if (share_surface) {
if (!allocate_surface) {
surface = qemu_create_displaysurface_from(disp_width,
height, format, s->params.line_offset,
s->vram_ptr + (s->params.start_addr * 4));
@ -1655,7 +1655,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
vga_draw_line = vga_draw_line_table[v];
if (!is_buffer_shared(surface) && s->cursor_invalidate) {
if (surface_is_allocated(surface) && s->cursor_invalidate) {
s->cursor_invalidate(s);
}
@ -1707,7 +1707,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
if (update) {
if (y_start < 0)
y_start = y;
if (!(is_buffer_shared(surface))) {
if (surface_is_allocated(surface)) {
uint8_t *p;
p = vga_draw_line(s, d, addr, width, hpel);
if (p) {
@ -1762,7 +1762,7 @@ static void vga_draw_blank(VGACommonState *s, int full_update)
if (s->last_scr_width <= 0 || s->last_scr_height <= 0)
return;
if (is_buffer_shared(surface)) {
if (!surface_is_allocated(surface)) {
/* unshare buffer, otherwise the blanking corrupts vga vram */
surface = qemu_create_displaysurface(s->last_scr_width,
s->last_scr_height);

5
hw/display/xenfb.c
View file

@ -638,7 +638,7 @@ static void xenfb_guest_copy(struct XenFB *xenfb, int x, int y, int w, int h)
int linesize = surface_stride(surface);
uint8_t *data = surface_data(surface);
if (!is_buffer_shared(surface)) {
if (surface_is_allocated(surface)) {
switch (xenfb->depth) {
case 8:
if (bpp == 16) {
@ -756,7 +756,8 @@ static void xenfb_update(void *opaque)
xen_pv_printf(&xenfb->c.xendev, 1,
"update: resizing: %dx%d @ %d bpp%s\n",
xenfb->width, xenfb->height, xenfb->depth,
is_buffer_shared(surface) ? " (shared)" : "");
surface_is_allocated(surface)
? " (allocated)" : " (borrowed)");
xenfb->up_fullscreen = 1;
}