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testdmabuf: Support a separate-alpha format

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This helps with verifying the support for these formats
in gdkdmabuf.c.
This commit is contained in:
Matthias Clasen 2023-11-16 20:39:12 -05:00
parent d4a569057f
commit be0546bb39
1 changed files with 31 additions and 0 deletions
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31
tests/testdmabuf.c
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@ -482,6 +482,36 @@ make_dmabuf_texture (const char *filename,
gdk_dmabuf_texture_builder_set_fd (builder, 0, fd);
gdk_dmabuf_texture_builder_set_stride (builder, 0, rgb_stride);
}
else if (format == DRM_FORMAT_XRGB8888_A8)
{
guchar *alpha_data;
gsize alpha_stride;
gsize alpha_size;
gdk_dmabuf_texture_builder_set_n_planes (builder, 2);
fd = allocate_buffer (rgb_size);
populate_buffer (fd, rgb_data, rgb_size);
gdk_dmabuf_texture_builder_set_fd (builder, 0, fd);
gdk_dmabuf_texture_builder_set_stride (builder, 0, rgb_stride);
alpha_stride = width;
alpha_size = alpha_stride * height;
alpha_data = g_new0 (guchar, alpha_size);
for (gsize i = 0; i < height; i++)
for (gsize j = 0; j < width; j++)
alpha_data[i * alpha_stride + j] = rgb_data[i * rgb_stride + j * 4 + 3];
fd = allocate_buffer (alpha_size);
populate_buffer (fd, alpha_data, alpha_size);
gdk_dmabuf_texture_builder_set_fd (builder, 1, fd);
gdk_dmabuf_texture_builder_set_stride (builder, 1, alpha_stride);
g_free (alpha_data);
}
else if (format == DRM_FORMAT_YUV420)
{
guchar *buf;
@ -533,6 +563,7 @@ static guint32 supported_formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_YUV420,
DRM_FORMAT_NV12,
DRM_FORMAT_XRGB8888_A8,
};
static gboolean