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#include "va_dricommon.h"
// X error trap
static int x11_error_code = 0;
static int (*old_error_handler)(Display *, XErrorEvent *);
static int
error_handler(Display *dpy, XErrorEvent *error)
{
x11_error_code = error->error_code;
return 0;
}
static void
x11_trap_errors(void)
{
x11_error_code = 0;
old_error_handler = XSetErrorHandler(error_handler);
}
static int
x11_untrap_errors(void)
{
XSetErrorHandler(old_error_handler);
return x11_error_code;
}
static int
is_window(Display *dpy, Drawable drawable)
{
XWindowAttributes wattr;
x11_trap_errors();
XGetWindowAttributes(dpy, drawable, &wattr);
return x11_untrap_errors() == 0;
}
static struct dri_drawable *
do_drawable_hash(VADriverContextP ctx, XID drawable)
{
struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
int index = drawable % DRAWABLE_HASH_SZ;
struct dri_drawable *dri_drawable = dri_state->drawable_hash[index];
while (dri_drawable) {
if (dri_drawable->x_drawable == drawable)
return dri_drawable;
dri_drawable = dri_drawable->next;
}
dri_drawable = dri_state->createDrawable(ctx, drawable);
dri_drawable->x_drawable = drawable;
dri_drawable->is_window = is_window(ctx->native_dpy, drawable);
dri_drawable->next = dri_state->drawable_hash[index];
dri_state->drawable_hash[index] = dri_drawable;
return dri_drawable;
}
void
free_drawable(VADriverContextP ctx, struct dri_drawable* dri_drawable)
{
struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
int i = 0;
while (i++ < DRAWABLE_HASH_SZ) {
if (dri_drawable == dri_state->drawable_hash[i]) {
dri_state->destroyDrawable(ctx, dri_drawable);
dri_state->drawable_hash[i] = NULL;
}
}
}
void
free_drawable_hashtable(VADriverContextP ctx)
{
struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
int i;
struct dri_drawable *dri_drawable, *prev;
for (i = 0; i < DRAWABLE_HASH_SZ; i++) {
dri_drawable = dri_state->drawable_hash[i];
while (dri_drawable) {
prev = dri_drawable;
dri_drawable = prev->next;
dri_state->destroyDrawable(ctx, prev);
}
dri_state->drawable_hash[i] = NULL;
}
}
struct dri_drawable *
dri_get_drawable(VADriverContextP ctx, XID drawable)
{
return do_drawable_hash(ctx, drawable);
}
void
dri_swap_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable)
{
struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
dri_state->swapBuffer(ctx, dri_drawable);
}
union dri_buffer *
dri_get_rendering_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable)
{
struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
return dri_state->getRenderingBuffer(ctx, dri_drawable);
}
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