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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>
This commit is contained in:
Marc-André Lureau 2019-05-24 15:09:40 +02:00 committed by Gerd Hoffmann
parent ad08e67a96
commit 83a7d3c021
2 changed files with 48 additions and 26 deletions
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29
hw/display/virtio-gpu.c
View File

@ -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;

45
include/hw/virtio/virtio-gpu-pixman.h Normal file
View File

@ -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