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[PULL 19/23] ui/pixman: Add qemu_pixman_to_drm_format()
From: |
Gerd Hoffmann |
Subject: |
[PULL 19/23] ui/pixman: Add qemu_pixman_to_drm_format() |
Date: |
Thu, 27 May 2021 16:23:36 +0200 |
From: Vivek Kasireddy <vivek.kasireddy@intel.com>
This new function to get the drm_format associated with a pixman
format will be useful while creating a dmabuf.
Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210526231429.1045476-11-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
include/ui/qemu-pixman.h | 1 +
ui/qemu-pixman.c | 35 ++++++++++++++++++++++++-----------
2 files changed, 25 insertions(+), 11 deletions(-)
diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h
index 87737a6f1629..806ddcd7cdab 100644
--- a/include/ui/qemu-pixman.h
+++ b/include/ui/qemu-pixman.h
@@ -62,6 +62,7 @@ typedef struct PixelFormat {
PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format);
+uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman);
int qemu_pixman_get_type(int rshift, int gshift, int bshift);
pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);
bool qemu_pixman_check_format(DisplayChangeListener *dcl,
diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c
index 85f2945e886f..3ab7e2e958a5 100644
--- a/ui/qemu-pixman.c
+++ b/ui/qemu-pixman.c
@@ -89,21 +89,34 @@ pixman_format_code_t qemu_default_pixman_format(int bpp,
bool native_endian)
}
/* Note: drm is little endian, pixman is native endian */
+static const struct {
+ uint32_t drm_format;
+ pixman_format_code_t pixman_format;
+} drm_format_pixman_map[] = {
+ { DRM_FORMAT_RGB888, PIXMAN_LE_r8g8b8 },
+ { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 },
+ { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 }
+};
+
pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format)
{
- static const struct {
- uint32_t drm_format;
- pixman_format_code_t pixman;
- } map[] = {
- { DRM_FORMAT_RGB888, PIXMAN_LE_r8g8b8 },
- { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 },
- { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 }
- };
int i;
- for (i = 0; i < ARRAY_SIZE(map); i++) {
- if (drm_format == map[i].drm_format) {
- return map[i].pixman;
+ for (i = 0; i < ARRAY_SIZE(drm_format_pixman_map); i++) {
+ if (drm_format == drm_format_pixman_map[i].drm_format) {
+ return drm_format_pixman_map[i].pixman_format;
+ }
+ }
+ return 0;
+}
+
+uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman_format)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(drm_format_pixman_map); i++) {
+ if (pixman_format == drm_format_pixman_map[i].pixman_format) {
+ return drm_format_pixman_map[i].drm_format;
}
}
return 0;
--
2.31.1
- [PULL 11/23] headers: Add udmabuf.h, (continued)
- [PULL 11/23] headers: Add udmabuf.h, Gerd Hoffmann, 2021/05/27
- [PULL 10/23] ui: Get the fd associated with udmabuf driver, Gerd Hoffmann, 2021/05/27
- [PULL 12/23] virtio-gpu: Add udmabuf helpers, Gerd Hoffmann, 2021/05/27
- [PULL 09/23] hw/display/qxl: Set pci rom address aligned with page size, Gerd Hoffmann, 2021/05/27
- [PULL 13/23] stubs: Add stubs for udmabuf helpers, Gerd Hoffmann, 2021/05/27
- [PULL 14/23] virtio-gpu: Add virtio_gpu_find_check_resource, Gerd Hoffmann, 2021/05/27
- [PULL 16/23] virtio-gpu: Refactor virtio_gpu_create_mapping_iov, Gerd Hoffmann, 2021/05/27
- [PULL 15/23] virtio-gpu: Refactor virtio_gpu_set_scanout, Gerd Hoffmann, 2021/05/27
- [PULL 17/23] virtio-gpu: Add initial definitions for blob resources, Gerd Hoffmann, 2021/05/27
- [PULL 18/23] virtio-gpu: Add virtio_gpu_resource_create_blob, Gerd Hoffmann, 2021/05/27
- [PULL 19/23] ui/pixman: Add qemu_pixman_to_drm_format(),
Gerd Hoffmann <=
- [PULL 21/23] virtio-gpu: Factor out update scanout, Gerd Hoffmann, 2021/05/27
- [PULL 23/23] virtio-gpu: Update cursor data using blob, Gerd Hoffmann, 2021/05/27
- [PULL 20/23] virtio-gpu: Add helpers to create and destroy dmabuf objects, Gerd Hoffmann, 2021/05/27
- [PULL 22/23] virtio-gpu: Add virtio_gpu_set_scanout_blob, Gerd Hoffmann, 2021/05/27
- Re: [PULL 00/23] Vga 20210527 patches, Peter Maydell, 2021/05/30