diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/hw/display/qxl-render.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/hw/display/qxl-render.c')
-rw-r--r-- | qemu/hw/display/qxl-render.c | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/qemu/hw/display/qxl-render.c b/qemu/hw/display/qxl-render.c new file mode 100644 index 000000000..a542087fc --- /dev/null +++ b/qemu/hw/display/qxl-render.c @@ -0,0 +1,297 @@ +/* + * qxl local rendering (aka display on sdl/vnc) + * + * Copyright (C) 2010 Red Hat, Inc. + * + * maintained by Gerd Hoffmann <kraxel@redhat.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 or + * (at your option) version 3 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "qxl.h" +#include "trace.h" + +static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect) +{ + DisplaySurface *surface = qemu_console_surface(qxl->vga.con); + uint8_t *dst = surface_data(surface); + uint8_t *src; + int len, i; + + if (is_buffer_shared(surface)) { + return; + } + trace_qxl_render_blit(qxl->guest_primary.qxl_stride, + rect->left, rect->right, rect->top, rect->bottom); + src = qxl->guest_primary.data; + if (qxl->guest_primary.qxl_stride < 0) { + /* qxl surface is upside down, walk src scanlines + * in reverse order to flip it */ + src += (qxl->guest_primary.surface.height - rect->top - 1) * + qxl->guest_primary.abs_stride; + } else { + src += rect->top * qxl->guest_primary.abs_stride; + } + dst += rect->top * qxl->guest_primary.abs_stride; + src += rect->left * qxl->guest_primary.bytes_pp; + dst += rect->left * qxl->guest_primary.bytes_pp; + len = (rect->right - rect->left) * qxl->guest_primary.bytes_pp; + + for (i = rect->top; i < rect->bottom; i++) { + memcpy(dst, src, len); + dst += qxl->guest_primary.abs_stride; + src += qxl->guest_primary.qxl_stride; + } +} + +void qxl_render_resize(PCIQXLDevice *qxl) +{ + QXLSurfaceCreate *sc = &qxl->guest_primary.surface; + + qxl->guest_primary.qxl_stride = sc->stride; + qxl->guest_primary.abs_stride = abs(sc->stride); + qxl->guest_primary.resized++; + switch (sc->format) { + case SPICE_SURFACE_FMT_16_555: + qxl->guest_primary.bytes_pp = 2; + qxl->guest_primary.bits_pp = 15; + break; + case SPICE_SURFACE_FMT_16_565: + qxl->guest_primary.bytes_pp = 2; + qxl->guest_primary.bits_pp = 16; + break; + case SPICE_SURFACE_FMT_32_xRGB: + case SPICE_SURFACE_FMT_32_ARGB: + qxl->guest_primary.bytes_pp = 4; + qxl->guest_primary.bits_pp = 32; + break; + default: + fprintf(stderr, "%s: unhandled format: %x\n", __FUNCTION__, + qxl->guest_primary.surface.format); + qxl->guest_primary.bytes_pp = 4; + qxl->guest_primary.bits_pp = 32; + break; + } +} + +static void qxl_set_rect_to_surface(PCIQXLDevice *qxl, QXLRect *area) +{ + area->left = 0; + area->right = qxl->guest_primary.surface.width; + area->top = 0; + area->bottom = qxl->guest_primary.surface.height; +} + +static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl) +{ + VGACommonState *vga = &qxl->vga; + DisplaySurface *surface; + int i; + + if (qxl->guest_primary.resized) { + qxl->guest_primary.resized = 0; + qxl->guest_primary.data = qxl_phys2virt(qxl, + qxl->guest_primary.surface.mem, + MEMSLOT_GROUP_GUEST); + if (!qxl->guest_primary.data) { + return; + } + qxl_set_rect_to_surface(qxl, &qxl->dirty[0]); + qxl->num_dirty_rects = 1; + trace_qxl_render_guest_primary_resized( + 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); + if (qxl->guest_primary.qxl_stride > 0) { + pixman_format_code_t format = + qemu_default_pixman_format(qxl->guest_primary.bits_pp, true); + surface = qemu_create_displaysurface_from + (qxl->guest_primary.surface.width, + qxl->guest_primary.surface.height, + format, + qxl->guest_primary.abs_stride, + qxl->guest_primary.data); + } else { + surface = qemu_create_displaysurface + (qxl->guest_primary.surface.width, + qxl->guest_primary.surface.height); + } + dpy_gfx_replace_surface(vga->con, surface); + } + + if (!qxl->guest_primary.data) { + return; + } + for (i = 0; i < qxl->num_dirty_rects; i++) { + if (qemu_spice_rect_is_empty(qxl->dirty+i)) { + break; + } + if (qxl->dirty[i].left < 0 || + qxl->dirty[i].top < 0 || + qxl->dirty[i].left > qxl->dirty[i].right || + qxl->dirty[i].top > qxl->dirty[i].bottom || + qxl->dirty[i].right > qxl->guest_primary.surface.width || + qxl->dirty[i].bottom > qxl->guest_primary.surface.height) { + continue; + } + qxl_blit(qxl, qxl->dirty+i); + dpy_gfx_update(vga->con, + qxl->dirty[i].left, qxl->dirty[i].top, + qxl->dirty[i].right - qxl->dirty[i].left, + qxl->dirty[i].bottom - qxl->dirty[i].top); + } + qxl->num_dirty_rects = 0; +} + +/* + * use ssd.lock to protect render_update_cookie_num. + * qxl_render_update is called by io thread or vcpu thread, and the completion + * callbacks are called by spice_server thread, defering to bh called from the + * io thread. + */ +void qxl_render_update(PCIQXLDevice *qxl) +{ + QXLCookie *cookie; + + qemu_mutex_lock(&qxl->ssd.lock); + + if (!runstate_is_running() || !qxl->guest_primary.commands) { + qxl_render_update_area_unlocked(qxl); + qemu_mutex_unlock(&qxl->ssd.lock); + return; + } + + qxl->guest_primary.commands = 0; + qxl->render_update_cookie_num++; + qemu_mutex_unlock(&qxl->ssd.lock); + cookie = qxl_cookie_new(QXL_COOKIE_TYPE_RENDER_UPDATE_AREA, + 0); + qxl_set_rect_to_surface(qxl, &cookie->u.render.area); + qxl_spice_update_area(qxl, 0, &cookie->u.render.area, NULL, + 0, 1 /* clear_dirty_region */, QXL_ASYNC, cookie); +} + +void qxl_render_update_area_bh(void *opaque) +{ + PCIQXLDevice *qxl = opaque; + + qemu_mutex_lock(&qxl->ssd.lock); + qxl_render_update_area_unlocked(qxl); + qemu_mutex_unlock(&qxl->ssd.lock); +} + +void qxl_render_update_area_done(PCIQXLDevice *qxl, QXLCookie *cookie) +{ + qemu_mutex_lock(&qxl->ssd.lock); + trace_qxl_render_update_area_done(cookie); + qemu_bh_schedule(qxl->update_area_bh); + qxl->render_update_cookie_num--; + qemu_mutex_unlock(&qxl->ssd.lock); + g_free(cookie); +} + +static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor) +{ + QEMUCursor *c; + uint8_t *image, *mask; + size_t size; + + c = cursor_alloc(cursor->header.width, cursor->header.height); + c->hot_x = cursor->header.hot_spot_x; + c->hot_y = cursor->header.hot_spot_y; + switch (cursor->header.type) { + case SPICE_CURSOR_TYPE_ALPHA: + size = sizeof(uint32_t) * cursor->header.width * cursor->header.height; + memcpy(c->data, cursor->chunk.data, size); + if (qxl->debug > 2) { + cursor_print_ascii_art(c, "qxl/alpha"); + } + break; + case SPICE_CURSOR_TYPE_MONO: + mask = cursor->chunk.data; + image = mask + cursor_get_mono_bpl(c) * c->width; + cursor_set_mono(c, 0xffffff, 0x000000, image, 1, mask); + if (qxl->debug > 2) { + cursor_print_ascii_art(c, "qxl/mono"); + } + break; + default: + fprintf(stderr, "%s: not implemented: type %d\n", + __FUNCTION__, cursor->header.type); + goto fail; + } + return c; + +fail: + cursor_put(c); + return NULL; +} + + +/* called from spice server thread context only */ +int qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext) +{ + QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); + QXLCursor *cursor; + QEMUCursor *c; + + if (!cmd) { + return 1; + } + + if (!dpy_cursor_define_supported(qxl->vga.con)) { + return 0; + } + + if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) { + fprintf(stderr, "%s", __FUNCTION__); + qxl_log_cmd_cursor(qxl, cmd, ext->group_id); + fprintf(stderr, "\n"); + } + switch (cmd->type) { + case QXL_CURSOR_SET: + cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id); + if (!cursor) { + return 1; + } + if (cursor->chunk.data_size != cursor->data_size) { + fprintf(stderr, "%s: multiple chunks\n", __FUNCTION__); + return 1; + } + c = qxl_cursor(qxl, cursor); + if (c == NULL) { + c = cursor_builtin_left_ptr(); + } + qemu_mutex_lock(&qxl->ssd.lock); + if (qxl->ssd.cursor) { + cursor_put(qxl->ssd.cursor); + } + qxl->ssd.cursor = c; + qxl->ssd.mouse_x = cmd->u.set.position.x; + qxl->ssd.mouse_y = cmd->u.set.position.y; + qemu_mutex_unlock(&qxl->ssd.lock); + qemu_bh_schedule(qxl->ssd.cursor_bh); + break; + case QXL_CURSOR_MOVE: + qemu_mutex_lock(&qxl->ssd.lock); + qxl->ssd.mouse_x = cmd->u.position.x; + qxl->ssd.mouse_y = cmd->u.position.y; + qemu_mutex_unlock(&qxl->ssd.lock); + qemu_bh_schedule(qxl->ssd.cursor_bh); + break; + } + return 0; +} |