virtio-gpu: add a pixman helper header

This will allow to share the format conversion function with
vhost-user-gpu.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20190524130946.31736-4-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

2 files changed, 48 insertions, 26 deletions

diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 571cecca75..a11853af09 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -21,6 +21,7 @@
 #include "hw/virtio/virtio.h"
 #include "hw/virtio/virtio-gpu.h"
 #include "hw/virtio/virtio-gpu-bswap.h"
+#include "hw/virtio/virtio-gpu-pixman.h"
 #include "hw/virtio/virtio-bus.h"
 #include "hw/display/edid.h"
 #include "migration/blocker.h"
@@ -298,30 +299,6 @@ void virtio_gpu_get_edid(VirtIOGPU *g,
     virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid));
 }
 
-static pixman_format_code_t get_pixman_format(uint32_t virtio_gpu_format)
-{
-    switch (virtio_gpu_format) {
-    case VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM:
-        return PIXMAN_BE_b8g8r8x8;
-    case VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM:
-        return PIXMAN_BE_b8g8r8a8;
-    case VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM:
-        return PIXMAN_BE_x8r8g8b8;
-    case VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM:
-        return PIXMAN_BE_a8r8g8b8;
-    case VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM:
-        return PIXMAN_BE_r8g8b8x8;
-    case VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM:
-        return PIXMAN_BE_r8g8b8a8;
-    case VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM:
-        return PIXMAN_BE_x8b8g8r8;
-    case VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM:
-        return PIXMAN_BE_a8b8g8r8;
-    default:
-        return 0;
-    }
-}
-
 static uint32_t calc_image_hostmem(pixman_format_code_t pformat,
                                    uint32_t width, uint32_t height)
 {
@@ -368,7 +345,7 @@ static void virtio_gpu_resource_create_2d(VirtIOGPU *g,
     res->format = c2d.format;
     res->resource_id = c2d.resource_id;
 
-    pformat = get_pixman_format(c2d.format);
+    pformat = virtio_gpu_get_pixman_format(c2d.format);
     if (!pformat) {
         qemu_log_mask(LOG_GUEST_ERROR,
                       "%s: host couldn't handle guest format %d\n",
@@ -1144,7 +1121,7 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size,
         res->iov_cnt = qemu_get_be32(f);
 
         /* allocate */
-        pformat = get_pixman_format(res->format);
+        pformat = virtio_gpu_get_pixman_format(res->format);
         if (!pformat) {
             g_free(res);
             return -EINVAL;
diff --git a/include/hw/virtio/virtio-gpu-pixman.h b/include/hw/virtio/virtio-gpu-pixman.h
new file mode 100644
index 0000000000..4dba782758
--- /dev/null
+++ b/include/hw/virtio/virtio-gpu-pixman.h
@@ -0,0 +1,45 @@
+/*
+ * Virtio GPU Device
+ *
+ * Copyright Red Hat, Inc. 2013-2014
+ *
+ * Authors:
+ *     Dave Airlie <airlied@redhat.com>
+ *     Gerd Hoffmann <kraxel@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef HW_VIRTIO_GPU_PIXMAN_H
+#define HW_VIRTIO_GPU_PIXMAN_H
+
+#include "ui/qemu-pixman.h"
+#include "standard-headers/linux/virtio_gpu.h"
+
+static inline pixman_format_code_t
+virtio_gpu_get_pixman_format(uint32_t virtio_gpu_format)
+{
+    switch (virtio_gpu_format) {
+    case VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM:
+        return PIXMAN_BE_b8g8r8x8;
+    case VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM:
+        return PIXMAN_BE_b8g8r8a8;
+    case VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM:
+        return PIXMAN_BE_x8r8g8b8;
+    case VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM:
+        return PIXMAN_BE_a8r8g8b8;
+    case VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM:
+        return PIXMAN_BE_r8g8b8x8;
+    case VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM:
+        return PIXMAN_BE_r8g8b8a8;
+    case VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM:
+        return PIXMAN_BE_x8b8g8r8;
+    case VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM:
+        return PIXMAN_BE_a8b8g8r8;
+    default:
+        return 0;
+    }
+}
+
+#endif