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dcc580c8d8
Extract DisplaySurface creation and destruction functions from console.c into their own file to reduce the size of console.c and improve code organization. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*
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* QEMU graphical console surface helper
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*
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* Copyright (c) 2004 Fabrice Bellard
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*
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* SPDX-License-Identifier: MIT
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*/
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#include "qemu/osdep.h"
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#include "ui/console.h"
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#include "ui/vgafont.h"
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#include "trace.h"
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void qemu_displaysurface_set_share_handle(DisplaySurface *surface,
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qemu_pixman_shareable handle,
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uint32_t offset)
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{
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assert(surface->share_handle == SHAREABLE_NONE);
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surface->share_handle = handle;
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surface->share_handle_offset = offset;
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}
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DisplaySurface *qemu_create_displaysurface(int width, int height)
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{
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trace_displaysurface_create(width, height);
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return qemu_create_displaysurface_from(
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width, height,
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PIXMAN_x8r8g8b8,
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width * 4, NULL
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);
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}
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DisplaySurface *qemu_create_displaysurface_from(int width, int height,
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pixman_format_code_t format,
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int linesize, uint8_t *data)
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{
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DisplaySurface *surface = g_new0(DisplaySurface, 1);
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trace_displaysurface_create_from(surface, width, height, format);
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surface->share_handle = SHAREABLE_NONE;
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if (data) {
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surface->image = pixman_image_create_bits(format,
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width, height,
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(void *)data, linesize);
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} else {
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qemu_pixman_image_new_shareable(&surface->image,
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&surface->share_handle,
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"displaysurface",
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format,
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width,
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height,
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linesize,
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&error_abort);
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surface->flags = QEMU_ALLOCATED_FLAG;
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}
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assert(surface->image != NULL);
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return surface;
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}
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DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
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{
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DisplaySurface *surface = g_new0(DisplaySurface, 1);
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trace_displaysurface_create_pixman(surface);
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surface->share_handle = SHAREABLE_NONE;
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surface->image = pixman_image_ref(image);
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return surface;
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}
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DisplaySurface *qemu_create_placeholder_surface(int w, int h,
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const char *msg)
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{
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DisplaySurface *surface = qemu_create_displaysurface(w, h);
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#ifdef CONFIG_PIXMAN
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pixman_color_t bg = QEMU_PIXMAN_COLOR_BLACK;
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pixman_color_t fg = QEMU_PIXMAN_COLOR_GRAY;
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pixman_image_t *glyph;
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int len, x, y, i;
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len = strlen(msg);
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x = (w / FONT_WIDTH - len) / 2;
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y = (h / FONT_HEIGHT - 1) / 2;
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for (i = 0; i < len; i++) {
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glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
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qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
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x + i, y, FONT_WIDTH, FONT_HEIGHT);
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qemu_pixman_image_unref(glyph);
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}
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#endif
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surface->flags |= QEMU_PLACEHOLDER_FLAG;
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return surface;
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}
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void qemu_free_displaysurface(DisplaySurface *surface)
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{
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if (surface == NULL) {
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return;
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}
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trace_displaysurface_free(surface);
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qemu_pixman_image_unref(surface->image);
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g_free(surface);
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}
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