Convert all vga memory to the memory API. Note we need to fall back to get_system_memory(), since the various buses don't pass the vga window as a memory region. We no longer need to sync the dirty bitmap of the cirrus mapped memory banks, since the memory API takes care of that for us. [jan: fix vga-pci logging] Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
226 lines
7.3 KiB
C
226 lines
7.3 KiB
C
/*
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* qxl local rendering (aka display on sdl/vnc)
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*
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* Copyright (C) 2010 Red Hat, Inc.
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*
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* maintained by Gerd Hoffmann <kraxel@redhat.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qxl.h"
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static void qxl_flip(PCIQXLDevice *qxl, QXLRect *rect)
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{
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uint8_t *src = qxl->guest_primary.data;
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uint8_t *dst = qxl->guest_primary.flipped;
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int len, i;
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src += (qxl->guest_primary.surface.height - rect->top - 1) *
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qxl->guest_primary.stride;
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dst += rect->top * qxl->guest_primary.stride;
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src += rect->left * qxl->guest_primary.bytes_pp;
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dst += rect->left * qxl->guest_primary.bytes_pp;
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len = (rect->right - rect->left) * qxl->guest_primary.bytes_pp;
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for (i = rect->top; i < rect->bottom; i++) {
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memcpy(dst, src, len);
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dst += qxl->guest_primary.stride;
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src -= qxl->guest_primary.stride;
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}
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}
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void qxl_render_resize(PCIQXLDevice *qxl)
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{
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QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
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qxl->guest_primary.stride = sc->stride;
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qxl->guest_primary.resized++;
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switch (sc->format) {
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case SPICE_SURFACE_FMT_16_555:
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qxl->guest_primary.bytes_pp = 2;
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qxl->guest_primary.bits_pp = 15;
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break;
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case SPICE_SURFACE_FMT_16_565:
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qxl->guest_primary.bytes_pp = 2;
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qxl->guest_primary.bits_pp = 16;
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break;
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case SPICE_SURFACE_FMT_32_xRGB:
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case SPICE_SURFACE_FMT_32_ARGB:
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qxl->guest_primary.bytes_pp = 4;
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qxl->guest_primary.bits_pp = 32;
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break;
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default:
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fprintf(stderr, "%s: unhandled format: %x\n", __FUNCTION__,
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qxl->guest_primary.surface.format);
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qxl->guest_primary.bytes_pp = 4;
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qxl->guest_primary.bits_pp = 32;
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break;
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}
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}
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void qxl_render_update(PCIQXLDevice *qxl)
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{
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VGACommonState *vga = &qxl->vga;
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QXLRect dirty[32], update;
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void *ptr;
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int i;
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if (qxl->guest_primary.resized) {
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qxl->guest_primary.resized = 0;
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if (qxl->guest_primary.flipped) {
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qemu_free(qxl->guest_primary.flipped);
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qxl->guest_primary.flipped = NULL;
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}
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qemu_free_displaysurface(vga->ds);
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qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram);
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if (qxl->guest_primary.stride < 0) {
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/* spice surface is upside down -> need extra buffer to flip */
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qxl->guest_primary.stride = -qxl->guest_primary.stride;
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qxl->guest_primary.flipped = qemu_malloc(qxl->guest_primary.surface.width *
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qxl->guest_primary.stride);
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ptr = qxl->guest_primary.flipped;
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} else {
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ptr = qxl->guest_primary.data;
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}
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dprint(qxl, 1, "%s: %dx%d, stride %d, bpp %d, depth %d, flip %s\n",
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__FUNCTION__,
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qxl->guest_primary.surface.width,
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qxl->guest_primary.surface.height,
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qxl->guest_primary.stride,
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qxl->guest_primary.bytes_pp,
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qxl->guest_primary.bits_pp,
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qxl->guest_primary.flipped ? "yes" : "no");
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vga->ds->surface =
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qemu_create_displaysurface_from(qxl->guest_primary.surface.width,
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qxl->guest_primary.surface.height,
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qxl->guest_primary.bits_pp,
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qxl->guest_primary.stride,
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ptr);
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dpy_resize(vga->ds);
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}
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if (!qxl->guest_primary.commands) {
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return;
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}
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qxl->guest_primary.commands = 0;
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update.left = 0;
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update.right = qxl->guest_primary.surface.width;
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update.top = 0;
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update.bottom = qxl->guest_primary.surface.height;
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memset(dirty, 0, sizeof(dirty));
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qxl_spice_update_area(qxl, 0, &update,
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dirty, ARRAY_SIZE(dirty), 1, QXL_SYNC);
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for (i = 0; i < ARRAY_SIZE(dirty); i++) {
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if (qemu_spice_rect_is_empty(dirty+i)) {
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break;
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}
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if (qxl->guest_primary.flipped) {
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qxl_flip(qxl, dirty+i);
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}
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dpy_update(vga->ds,
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dirty[i].left, dirty[i].top,
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dirty[i].right - dirty[i].left,
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dirty[i].bottom - dirty[i].top);
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}
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}
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static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor)
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{
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QEMUCursor *c;
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uint8_t *image, *mask;
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int size;
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c = cursor_alloc(cursor->header.width, cursor->header.height);
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c->hot_x = cursor->header.hot_spot_x;
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c->hot_y = cursor->header.hot_spot_y;
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switch (cursor->header.type) {
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case SPICE_CURSOR_TYPE_ALPHA:
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size = cursor->header.width * cursor->header.height * sizeof(uint32_t);
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memcpy(c->data, cursor->chunk.data, size);
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if (qxl->debug > 2) {
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cursor_print_ascii_art(c, "qxl/alpha");
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}
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break;
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case SPICE_CURSOR_TYPE_MONO:
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mask = cursor->chunk.data;
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image = mask + cursor_get_mono_bpl(c) * c->width;
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cursor_set_mono(c, 0xffffff, 0x000000, image, 1, mask);
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if (qxl->debug > 2) {
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cursor_print_ascii_art(c, "qxl/mono");
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}
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break;
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default:
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fprintf(stderr, "%s: not implemented: type %d\n",
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__FUNCTION__, cursor->header.type);
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goto fail;
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}
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return c;
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fail:
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cursor_put(c);
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return NULL;
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}
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/* called from spice server thread context only */
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void qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
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{
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QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
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QXLCursor *cursor;
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QEMUCursor *c;
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if (!qxl->ssd.ds->mouse_set || !qxl->ssd.ds->cursor_define) {
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return;
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}
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if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) {
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fprintf(stderr, "%s", __FUNCTION__);
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qxl_log_cmd_cursor(qxl, cmd, ext->group_id);
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fprintf(stderr, "\n");
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}
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switch (cmd->type) {
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case QXL_CURSOR_SET:
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cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id);
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if (cursor->chunk.data_size != cursor->data_size) {
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fprintf(stderr, "%s: multiple chunks\n", __FUNCTION__);
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return;
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}
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c = qxl_cursor(qxl, cursor);
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if (c == NULL) {
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c = cursor_builtin_left_ptr();
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}
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qemu_mutex_lock(&qxl->ssd.lock);
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if (qxl->ssd.cursor) {
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cursor_put(qxl->ssd.cursor);
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}
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qxl->ssd.cursor = c;
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qxl->ssd.mouse_x = cmd->u.set.position.x;
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qxl->ssd.mouse_y = cmd->u.set.position.y;
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qemu_mutex_unlock(&qxl->ssd.lock);
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break;
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case QXL_CURSOR_MOVE:
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qemu_mutex_lock(&qxl->ssd.lock);
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qxl->ssd.mouse_x = cmd->u.position.x;
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qxl->ssd.mouse_y = cmd->u.position.y;
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qemu_mutex_unlock(&qxl->ssd.lock);
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break;
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}
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}
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