Hello.
I have a question about libdrm/libkms and test/modetest/modetest.c.
I am now working with vmwgfx + VMWare 7.0, where vmwgfx had correctly
initialized framebuffer and also now using fbcon.
Now I want to test it woth modetest.c
This program is only for intel so i recoded it to use libkms functions.
I had to add:
struct kms_bo
{
struct kms_driver *kms;
void *ptr;
size_t size;
size_t offset;
size_t pitch;
unsigned handle;
};
to modetest.c to compile it.
Now the test can set mode. I have tested 800x600 and also 1024x768.
But my problem is that screen is always black. If you take a look into
modetest.c it is making that nice one tilled colour screen.
The problem lines are in:
libkms/vmwgfx.c
static int
vmwgfx_bo_create(struct kms_driver *kms,
const unsigned width, const unsigned height,
const enum kms_bo_type type, const unsigned *attr,
struct kms_bo **out)
{
....
do {
ret = drmCommandWriteRead(bo->base.kms->fd,
DRM_VMW_ALLOC_DMABUF,
&arg, sizeof(arg));
} while (ret == -ERESTART);
if (ret)
goto err_free;
bo->base.handle = rep->handle;
bo->map_handle = rep->map_handle;
bo->base.handle = rep->cur_gmr_id;
bo->base.offset = rep->cur_gmr_offset;
As you can see, there is:
bo->base.handle = rep->handle;
bo->base.handle = rep->cur_gmr_id;
So it is overwiting the same base.handle.
This handle I am using in modetest.c - drmModeAddFB(). << maybe here is
error,
bo->base.handle is not the correct one for use in drmModeAddFB(
bo->handle)
So my question is:
1) The need of define for strcut kms_bo (is is located in
libkms/internal.h)
2) Why the screen is still black?
Thanks.
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