C++ (Cpp) trace_qxl_render_blitの例

コード例 #1

ファイル: qxl-render.c プロジェクト: Blopeur/qemu-heca

static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect)
{
    uint8_t *src;
    uint8_t *dst = ds_get_data(qxl->vga.ds);
    int len, i;

    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);
        dst += qxl->guest_primary.abs_stride;
        src += qxl->guest_primary.qxl_stride;
    }
}

コード例 #2

ファイル: qxl-render.c プロジェクト: 8tab/qemu

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;
    }
}