AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

st/egl: Request the front buffer as needed.

Browse Source 
The front buffer is added to support old X servers.  Check the version
of the server so that it can be added as needed.
This commit is contained in:
Chia-I Wu
2010-04-12 11:08:31 +08:00
parent 5060b99418
commit 927e576284
1 changed files with 11 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/gallium/state_trackers/egl/x11/native_dri2.c
+11 -7
View File
@@ -192,18 +192,19 @@ 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];
unsigned int dri2atts[NUM_NATIVE_ATTACHMENTS * 2];
int num_ins, num_outs, att;
struct x11_drawable_buffer *xbufs;
/* XXX check if the server supports with format */
boolean with_format = FALSE;
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 (!with_format)
if (dri2surf->dri2dpy->dri_minor < 1) {
with_format = FALSE;
buffer_mask |= (1 << NATIVE_ATTACHMENT_FRONT_LEFT);
}
/* prepare the attachments */
num_ins = 0;
@@ -230,10 +231,13 @@ dri2_surface_get_buffers(struct native_surface *nsurf, uint buffer_mask)
break;
}
dri2atts[num_ins] = dri2att;
num_ins++;
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,