Commit d9a86569 authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

spice: switch to pixman



Switch over spice-display.c to use the pixman library
instead of the home-grown pflib bits.

Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent e32c25b5
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+5 −0
Original line number Diff line number Diff line
@@ -377,6 +377,11 @@ static inline pixman_format_code_t ds_get_format(DisplayState *ds)
    return ds->surface->format;
}

static inline pixman_image_t *ds_get_image(DisplayState *ds)
{
    return ds->surface->image;
}

static inline int ds_get_depth(DisplayState *ds)
{
    return ds->surface->pf.depth;
+13 −0
Original line number Diff line number Diff line
@@ -51,6 +51,19 @@ void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
                           0, y, 0, 0, 0, 0, width, 1);
}

pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
                                          pixman_image_t *image)
{
    pixman_image_t *mirror;

    mirror = pixman_image_create_bits(format,
                                      pixman_image_get_width(image),
                                      pixman_image_get_height(image),
                                      NULL,
                                      pixman_image_get_stride(image));
    return mirror;
}

void qemu_pixman_image_unref(pixman_image_t *image)
{
    if (image == NULL) {
+2 −0
Original line number Diff line number Diff line
@@ -27,6 +27,8 @@ pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
                                           int width);
void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
                              int width, int y);
pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
                                          pixman_image_t *image);
void qemu_pixman_image_unref(pixman_image_t *image);

#endif /* QEMU_PIXMAN_H */
+22 −29
Original line number Diff line number Diff line
@@ -150,9 +150,9 @@ static void qemu_spice_create_one_update(SimpleSpiceDisplay *ssd,
    QXLDrawable *drawable;
    QXLImage *image;
    QXLCommand *cmd;
    uint8_t *src, *mirror, *dst;
    int by, bw, bh, offset, bytes;
    int bw, bh;
    struct timespec time_space;
    pixman_image_t *dest;

    trace_qemu_spice_create_update(
           rect->left, rect->right,
@@ -195,20 +195,15 @@ static void qemu_spice_create_one_update(SimpleSpiceDisplay *ssd,
    image->bitmap.palette = 0;
    image->bitmap.format = SPICE_BITMAP_FMT_32BIT;

    offset =
        rect->top * ds_get_linesize(ssd->ds) +
        rect->left * ds_get_bytes_per_pixel(ssd->ds);
    bytes = ds_get_bytes_per_pixel(ssd->ds) * bw;
    src = ds_get_data(ssd->ds) + offset;
    mirror = ssd->ds_mirror + offset;
    dst = update->bitmap;
    for (by = 0; by < bh; by++) {
        memcpy(mirror, src, bytes);
        qemu_pf_conv_run(ssd->conv, dst, mirror, bw);
        src += ds_get_linesize(ssd->ds);
        mirror += ds_get_linesize(ssd->ds);
        dst += image->bitmap.stride;
    }
    dest = pixman_image_create_bits(PIXMAN_x8r8g8b8, bw, bh,
                                    (void *)update->bitmap, bw * 4);
    pixman_image_composite(PIXMAN_OP_SRC, ssd->surface, NULL, ssd->mirror,
                           rect->left, rect->top, 0, 0,
                           rect->left, rect->top, bw, bh);
    pixman_image_composite(PIXMAN_OP_SRC, ssd->mirror, NULL, dest,
                           rect->left, rect->top, 0, 0,
                           0, 0, bw, bh);
    pixman_image_unref(dest);

    cmd->type = QXL_CMD_DRAW;
    cmd->data = (uintptr_t)drawable;
@@ -229,14 +224,10 @@ static void qemu_spice_create_update(SimpleSpiceDisplay *ssd)
        return;
    };

    if (ssd->conv == NULL) {
        PixelFormat dst = qemu_default_pixelformat(32);
        ssd->conv = qemu_pf_conv_get(&dst, &ssd->ds->surface->pf);
        assert(ssd->conv);
    }
    if (ssd->ds_mirror == NULL) {
        int size = ds_get_height(ssd->ds) * ds_get_linesize(ssd->ds);
        ssd->ds_mirror = g_malloc0(size);
    if (ssd->surface == NULL) {
        ssd->surface = pixman_image_ref(ds_get_image(ssd->ds));
        ssd->mirror  = qemu_pixman_mirror_create(ds_get_format(ssd->ds),
                                                 ds_get_image(ssd->ds));
    }

    for (blk = 0; blk < blocks; blk++) {
@@ -244,7 +235,7 @@ static void qemu_spice_create_update(SimpleSpiceDisplay *ssd)
    }

    guest = ds_get_data(ssd->ds);
    mirror = ssd->ds_mirror;
    mirror = (void *)pixman_image_get_data(ssd->mirror);
    for (y = ssd->dirty.top; y < ssd->dirty.bottom; y++) {
        yoff = y * ds_get_linesize(ssd->ds);
        for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
@@ -383,10 +374,12 @@ void qemu_spice_display_resize(SimpleSpiceDisplay *ssd)
    dprint(1, "%s:\n", __FUNCTION__);

    memset(&ssd->dirty, 0, sizeof(ssd->dirty));
    qemu_pf_conv_put(ssd->conv);
    ssd->conv = NULL;
    g_free(ssd->ds_mirror);
    ssd->ds_mirror = NULL;
    if (ssd->surface) {
        pixman_image_unref(ssd->surface);
        ssd->surface = NULL;
        pixman_image_unref(ssd->mirror);
        ssd->mirror = NULL;
    }

    qemu_mutex_lock(&ssd->lock);
    while ((update = QTAILQ_FIRST(&ssd->updates)) != NULL) {
+3 −4
Original line number Diff line number Diff line
@@ -20,8 +20,7 @@
#include <spice/qxl_dev.h>

#include "qemu-thread.h"
#include "console.h"
#include "pflib.h"
#include "qemu-pixman.h"
#include "sysemu.h"

#define NUM_MEMSLOTS 8
@@ -72,13 +71,13 @@ typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;

struct SimpleSpiceDisplay {
    DisplayState *ds;
    uint8_t *ds_mirror;
    void *buf;
    int bufsize;
    QXLWorker *worker;
    QXLInstance qxl;
    uint32_t unique;
    QemuPfConv *conv;
    pixman_image_t *surface;
    pixman_image_t *mirror;
    int32_t num_surfaces;

    QXLRect dirty;