spice: fix initialization order

[qemu.git] / hw / qxl-render.c

diff --git a/hw/qxl-render.c b/hw/qxl-render.c
index 1316066599b93cfe559957e065390c6d5b3d9f67..98ecb214054c79a4c2161bd87f54d9fdd9548feb 100644 (file)
--- a/hw/qxl-render.c
+++ b/hw/qxl-render.c
@@ -21,23 +21,39 @@
 
 #include "qxl.h"
 
 
 #include "qxl.h"
 

-static void qxl_flip(PCIQXLDevice *qxl, QXLRect *rect)
+static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect)

 {
 {

-    uint8_t *src = qxl->guest_primary.data;
-    uint8_t *dst = qxl->guest_primary.flipped;
+    uint8_t *src;
+    uint8_t *dst = ds_get_data(qxl->vga.ds);

     int len, i;
 
     int len, i;
 

-    src += (qxl->guest_primary.surface.height - rect->top - 1) *
-        qxl->guest_primary.stride;
-    dst += rect->top  * qxl->guest_primary.stride;
+    if (is_buffer_shared(qxl->vga.ds->surface)) {
+        return;
+    }
+    if (!qxl->guest_primary.data) {
+        trace_qxl_render_blit_guest_primary_initialized();
+        qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram);
+    }
+    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);
     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.stride;
-        src -= qxl->guest_primary.stride;
+        dst += qxl->guest_primary.abs_stride;
+        src += qxl->guest_primary.qxl_stride;

     }
 }
 
     }
 }
 


@@ -45,7 +61,8 @@ void qxl_render_resize(PCIQXLDevice *qxl)
 {
     QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
 
 {
     QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
 

-    qxl->guest_primary.stride = sc->stride;
+    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.resized++;
     switch (sc->format) {
     case SPICE_SURFACE_FMT_16_555:


@@ -70,82 +87,109 @@ void qxl_render_resize(PCIQXLDevice *qxl)
     }
 }
 
     }
 }
 

-void qxl_render_update(PCIQXLDevice *qxl)
+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;
 {
     VGACommonState *vga = &qxl->vga;

-    QXLRect dirty[32], update;
-    void *ptr;

     int i;
 
     if (qxl->guest_primary.resized) {
         qxl->guest_primary.resized = 0;
     int i;
 
     if (qxl->guest_primary.resized) {
         qxl->guest_primary.resized = 0;

-
-        if (qxl->guest_primary.flipped) {
-            qemu_free(qxl->guest_primary.flipped);
-            qxl->guest_primary.flipped = NULL;
-        }
-        qemu_free_displaysurface(vga->ds);
-
-        qxl->guest_primary.data = qemu_get_ram_ptr(qxl->vga.vram_offset);
-        if (qxl->guest_primary.stride < 0) {
-            /* spice surface is upside down -> need extra buffer to flip */
-            qxl->guest_primary.stride = -qxl->guest_primary.stride;
-            qxl->guest_primary.flipped = qemu_malloc(qxl->guest_primary.surface.width *
-                                                     qxl->guest_primary.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",
-               __FUNCTION__,
+        qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram);
+        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.surface.width,
                qxl->guest_primary.surface.height,

-               qxl->guest_primary.stride,
+               qxl->guest_primary.qxl_stride,

                qxl->guest_primary.bytes_pp,
                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 (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,
             qemu_create_displaysurface_from(qxl->guest_primary.surface.width,
                                             qxl->guest_primary.surface.height,
                                             qxl->guest_primary.bits_pp,

-                                            qxl->guest_primary.stride,
-                                            ptr);
-        dpy_resize(vga->ds);
+                                            qxl->guest_primary.abs_stride,
+                                            qxl->guest_primary.data);
+        } else {
+            qemu_resize_displaysurface(vga->ds,
+                    qxl->guest_primary.surface.width,
+                    qxl->guest_primary.surface.height);
+        }
+        dpy_gfx_resize(vga->ds);

     }
     }

+    for (i = 0; i < qxl->num_dirty_rects; i++) {
+        if (qemu_spice_rect_is_empty(qxl->dirty+i)) {
+            break;
+        }
+        qxl_blit(qxl, qxl->dirty+i);
+        dpy_gfx_update(vga->ds,
+                       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 (!qxl->guest_primary.commands) {
+    if (!runstate_is_running() || !qxl->guest_primary.commands) {
+        qxl_render_update_area_unlocked(qxl);
+        qemu_mutex_unlock(&qxl->ssd.lock);

         return;
     }
         return;
     }

+

     qxl->guest_primary.commands = 0;
     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);
+}

 
 

-    update.left   = 0;
-    update.right  = qxl->guest_primary.surface.width;
-    update.top    = 0;
-    update.bottom = qxl->guest_primary.surface.height;
+void qxl_render_update_area_bh(void *opaque)
+{
+    PCIQXLDevice *qxl = opaque;

 
 

-    memset(dirty, 0, sizeof(dirty));
-    qxl->ssd.worker->update_area(qxl->ssd.worker, 0, &update,
-                                 dirty, ARRAY_SIZE(dirty), 1);
+    qemu_mutex_lock(&qxl->ssd.lock);
+    qxl_render_update_area_unlocked(qxl);
+    qemu_mutex_unlock(&qxl->ssd.lock);
+}

 
 

-    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);
-        }
-        dpy_update(vga->ds,
-                   dirty[i].left, dirty[i].top,
-                   dirty[i].right - dirty[i].left,
-                   dirty[i].bottom - dirty[i].top);
-    }
+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;
 }
 
 static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor)
 {
     QEMUCursor *c;
     uint8_t *image, *mask;

-    int size;
+    size_t size;

 
     c = cursor_alloc(cursor->header.width, cursor->header.height);
     c->hot_x = cursor->header.hot_spot_x;
 
     c = cursor_alloc(cursor->header.width, cursor->header.height);
     c->hot_x = cursor->header.hot_spot_x;


@@ -180,14 +224,18 @@ fail:
 
 
 /* called from spice server thread context only */
 
 
 /* called from spice server thread context only */

-void qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
+int qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)

 {
     QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
     QXLCursor *cursor;
     QEMUCursor *c;
 
 {
     QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
     QXLCursor *cursor;
     QEMUCursor *c;
 

-    if (!qxl->ssd.ds->mouse_set || !qxl->ssd.ds->cursor_define) {
-        return;
+    if (!cmd) {
+        return 1;
+    }
+
+    if (!dpy_cursor_define_supported(qxl->ssd.ds)) {
+        return 0;

     }
 
     if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) {
     }
 
     if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) {


@@ -198,9 +246,12 @@ void qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
     switch (cmd->type) {
     case QXL_CURSOR_SET:
         cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id);
     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__);
         if (cursor->chunk.data_size != cursor->data_size) {
             fprintf(stderr, "%s: multiple chunks\n", __FUNCTION__);

-            return;
+            return 1;

         }
         c = qxl_cursor(qxl, cursor);
         if (c == NULL) {
         }
         c = qxl_cursor(qxl, cursor);
         if (c == NULL) {


@@ -222,4 +273,5 @@ void qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
         qemu_mutex_unlock(&qxl->ssd.lock);
         break;
     }
         qemu_mutex_unlock(&qxl->ssd.lock);
         break;
     }

+    return 0;

 }
 }