static boolean
dri2_surface_flush_frontbuffer(struct native_surface *nsurf)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
struct native_display *ndpy = &dri2dpy->base;
struct pipe_context *pipe = ndpy_get_copy_context(ndpy);
/* flush buffer */
pipe->flush_resource(pipe, dri2surf->textures[NATIVE_ATTACHMENT_FRONT_LEFT]);
pipe->flush(pipe, NULL, 0);
/* copy to real front buffer */
if (dri2surf->have_fake)
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
/* force buffers to be updated in next validation call */
if (!dri2_surface_receive_events(&dri2surf->base)) {
dri2surf->server_stamp++;
dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
&dri2surf->base, dri2surf->server_stamp);
}
return TRUE;
}
static boolean
dri2_surface_validate(struct native_surface *nsurf, uint attachment_mask,
unsigned int *seq_num, struct pipe_resource **textures,
int *width, int *height)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
if (dri2surf->server_stamp != dri2surf->client_stamp ||
(dri2surf->valid_mask & attachment_mask) != attachment_mask) {
if (!dri2_surface_update_buffers(&dri2surf->base, attachment_mask))
return FALSE;
}
if (seq_num)
*seq_num = dri2surf->client_stamp;
if (textures) {
int att;
for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) {
if (native_attachment_mask_test(attachment_mask, att)) {
struct pipe_resource *ptex = dri2surf->textures[att];
textures[att] = NULL;
pipe_resource_reference(&textures[att], ptex);
}
}
}
if (width)
*width = dri2surf->width;
if (height)
*height = dri2surf->height;
return TRUE;
}
/**
* Update the buffers of the surface. This is a slow function due to the
* round-trip to the server.
*/
static boolean
dri2_surface_update_buffers(struct native_surface *nsurf, uint buffer_mask)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
dri2_surface_get_buffers(&dri2surf->base, buffer_mask);
return ((dri2surf->valid_mask & buffer_mask) == buffer_mask);
}
static void
dri2_surface_wait(struct native_surface *nsurf)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
if (dri2surf->have_fake) {
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
}
}
static boolean
dri2_surface_swap_buffers(struct native_surface *nsurf, int num_rects,
const int *rects)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
struct native_display *ndpy = &dri2dpy->base;
struct pipe_context *pipe = ndpy_get_copy_context(ndpy);
/* copy to front buffer */
if (dri2surf->have_back) {
pipe->flush_resource(pipe, dri2surf->textures[NATIVE_ATTACHMENT_BACK_LEFT]);
pipe->flush(pipe, NULL, 0);
if (num_rects > 0)
x11_drawable_copy_buffers_region(dri2dpy->xscr, dri2surf->drawable,
num_rects, rects,
DRI2BufferBackLeft, DRI2BufferFrontLeft);
else
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferBackLeft, DRI2BufferFrontLeft);
}
/* and update fake front buffer */
if (dri2surf->have_fake) {
if (num_rects > 0)
x11_drawable_copy_buffers_region(dri2dpy->xscr, dri2surf->drawable,
num_rects, rects,
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
else
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
}
/* force buffers to be updated in next validation call */
if (!dri2_surface_receive_events(&dri2surf->base)) {
dri2surf->server_stamp++;
dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
&dri2surf->base, dri2surf->server_stamp);
}
return TRUE;
}
static void
dri2_display_invalidate_buffers(struct x11_screen *xscr, Drawable drawable,
void *user_data)
{
struct native_display *ndpy = (struct native_display* ) user_data;
struct dri2_display *dri2dpy = dri2_display(ndpy);
struct native_surface *nsurf;
struct dri2_surface *dri2surf;
nsurf = (struct native_surface *)
util_hash_table_get(dri2dpy->surfaces, (void *) drawable);
if (!nsurf)
return;
dri2surf = dri2_surface(nsurf);
dri2surf->server_stamp++;
dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
&dri2surf->base, dri2surf->server_stamp);
}
static boolean
dri2_surface_flush_frontbuffer(struct native_surface *nsurf)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
/* copy to real front buffer */
if (dri2surf->have_fake)
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
/* force buffers to be updated in next validation call */
if (!dri2_surface_receive_events(&dri2surf->base)) {
dri2surf->server_stamp++;
dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
&dri2surf->base, dri2surf->server_stamp);
}
return TRUE;
}
static boolean
dri2_surface_swap_buffers(struct native_surface *nsurf, int num_rects,
const int *rects)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
/* copy to front buffer */
if (dri2surf->have_back) {
if (num_rects > 0)
x11_drawable_copy_buffers_region(dri2dpy->xscr, dri2surf->drawable,
num_rects, rects,
DRI2BufferBackLeft, DRI2BufferFrontLeft);
else
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferBackLeft, DRI2BufferFrontLeft);
}
/* and update fake front buffer */
if (dri2surf->have_fake) {
if (num_rects > 0)
x11_drawable_copy_buffers_region(dri2dpy->xscr, dri2surf->drawable,
num_rects, rects,
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
else
x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
0, 0, dri2surf->width, dri2surf->height,
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
}
/* force buffers to be updated in next validation call */
if (!dri2_surface_receive_events(&dri2surf->base)) {
dri2surf->server_stamp++;
dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
&dri2surf->base, dri2surf->server_stamp);
}
return TRUE;
}
static void
dri2_surface_destroy(struct native_surface *nsurf)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
int i;
FREE(dri2surf->last_xbufs);
for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) {
struct pipe_resource *ptex = dri2surf->textures[i];
pipe_resource_reference(&ptex, NULL);
}
if (dri2surf->drawable) {
x11_drawable_enable_dri2(dri2surf->dri2dpy->xscr,
dri2surf->drawable, FALSE);
util_hash_table_remove(dri2surf->dri2dpy->surfaces,
(void *) dri2surf->drawable);
}
FREE(dri2surf);
}
/**
* Return TRUE if the surface receives DRI2_InvalidateBuffers events.
*/
static INLINE boolean
dri2_surface_receive_events(struct native_surface *nsurf)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
return (dri2surf->dri2dpy->dri_minor >= 3);
}
/**
* Get the buffers from the server.
*/
static void
dri2_surface_get_buffers(struct native_surface *nsurf, uint buffer_mask)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
unsigned int dri2atts[NUM_NATIVE_ATTACHMENTS * 2];
int num_ins, num_outs, att;
struct x11_drawable_buffer *xbufs;
uint bpp = util_format_get_blocksizebits(dri2surf->color_format);
boolean with_format = FALSE; /* never ask for depth/stencil */
/* We must get the front on servers which doesn't support with format
* due to a silly bug in core dri2. You can't copy to/from a buffer
* that you haven't requested and you recive BadValue errors */
if (dri2surf->dri2dpy->dri_minor < 1) {
with_format = FALSE;
buffer_mask |= (1 << NATIVE_ATTACHMENT_FRONT_LEFT);
}
/* prepare the attachments */
num_ins = 0;
for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) {
if (native_attachment_mask_test(buffer_mask, att)) {
unsigned int dri2att;
switch (att) {
case NATIVE_ATTACHMENT_FRONT_LEFT:
dri2att = DRI2BufferFrontLeft;
break;
case NATIVE_ATTACHMENT_BACK_LEFT:
dri2att = DRI2BufferBackLeft;
break;
case NATIVE_ATTACHMENT_FRONT_RIGHT:
dri2att = DRI2BufferFrontRight;
break;
case NATIVE_ATTACHMENT_BACK_RIGHT:
dri2att = DRI2BufferBackRight;
break;
default:
assert(0);
dri2att = 0;
break;
}
dri2atts[num_ins++] = dri2att;
if (with_format)
dri2atts[num_ins++] = bpp;
}
}
if (with_format)
num_ins /= 2;
xbufs = x11_drawable_get_buffers(dri2dpy->xscr, dri2surf->drawable,
&dri2surf->width, &dri2surf->height,
dri2atts, with_format, num_ins, &num_outs);
/* we should be able to do better... */
if (xbufs && dri2surf->last_num_xbufs == num_outs &&
memcmp(dri2surf->last_xbufs, xbufs, sizeof(*xbufs) * num_outs) == 0) {
FREE(xbufs);
dri2surf->client_stamp = dri2surf->server_stamp;
return;
}
dri2_surface_process_drawable_buffers(&dri2surf->base, xbufs, num_outs);
dri2surf->server_stamp++;
dri2surf->client_stamp = dri2surf->server_stamp;
FREE(dri2surf->last_xbufs);
dri2surf->last_xbufs = xbufs;
dri2surf->last_num_xbufs = num_outs;
}
/**
* Process the buffers returned by the server.
*/
static void
dri2_surface_process_drawable_buffers(struct native_surface *nsurf,
struct x11_drawable_buffer *xbufs,
int num_xbufs)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
struct pipe_resource templ;
struct winsys_handle whandle;
uint valid_mask;
int i;
/* free the old textures */
for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++)
pipe_resource_reference(&dri2surf->textures[i], NULL);
dri2surf->valid_mask = 0x0;
dri2surf->have_back = FALSE;
dri2surf->have_fake = FALSE;
if (!xbufs)
return;
memset(&templ, 0, sizeof(templ));
templ.target = PIPE_TEXTURE_2D;
templ.last_level = 0;
templ.width0 = dri2surf->width;
templ.height0 = dri2surf->height;
templ.depth0 = 1;
templ.array_size = 1;
templ.format = dri2surf->color_format;
templ.bind = PIPE_BIND_RENDER_TARGET;
valid_mask = 0x0;
for (i = 0; i < num_xbufs; i++) {
struct x11_drawable_buffer *xbuf = &xbufs[i];
const char *desc;
enum native_attachment natt;
switch (xbuf->attachment) {
case DRI2BufferFrontLeft:
natt = NATIVE_ATTACHMENT_FRONT_LEFT;
desc = "DRI2 Front Buffer";
break;
case DRI2BufferFakeFrontLeft:
natt = NATIVE_ATTACHMENT_FRONT_LEFT;
desc = "DRI2 Fake Front Buffer";
dri2surf->have_fake = TRUE;
break;
case DRI2BufferBackLeft:
natt = NATIVE_ATTACHMENT_BACK_LEFT;
desc = "DRI2 Back Buffer";
dri2surf->have_back = TRUE;
break;
default:
desc = NULL;
break;
}
if (!desc || dri2surf->textures[natt]) {
if (!desc)
_eglLog(_EGL_WARNING, "unknown buffer %d", xbuf->attachment);
else
_eglLog(_EGL_WARNING, "both real and fake front buffers are listed");
continue;
}
memset(&whandle, 0, sizeof(whandle));
whandle.stride = xbuf->pitch;
whandle.handle = xbuf->name;
dri2surf->textures[natt] = dri2dpy->base.screen->resource_from_handle(
dri2dpy->base.screen, &templ, &whandle);
if (dri2surf->textures[natt])
valid_mask |= 1 << natt;
}
dri2surf->valid_mask = valid_mask;
}