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path: root/src/mesa/drivers/x11/fakeglx.c
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Diffstat (limited to 'src/mesa/drivers/x11/fakeglx.c')
-rw-r--r--src/mesa/drivers/x11/fakeglx.c49
1 files changed, 32 insertions, 17 deletions
diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c
index eb7c4f6417..525db3b7cb 100644
--- a/src/mesa/drivers/x11/fakeglx.c
+++ b/src/mesa/drivers/x11/fakeglx.c
@@ -1197,10 +1197,10 @@ choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig )
if (!fbConfig)
return NULL;
parselist++;
- if (*parselist == GLX_RGBA_BIT) {
+ if (*parselist & GLX_RGBA_BIT) {
rgb_flag = GL_TRUE;
}
- else if (*parselist == GLX_COLOR_INDEX_BIT) {
+ else if (*parselist & GLX_COLOR_INDEX_BIT) {
rgb_flag = GL_FALSE;
}
else if (*parselist == 0) {
@@ -1637,12 +1637,14 @@ Fake_glXCopyContext( Display *dpy, GLXContext src, GLXContext dst,
static Bool
-Fake_glXQueryExtension( Display *dpy, int *errorb, int *event )
+Fake_glXQueryExtension( Display *dpy, int *errorBase, int *eventBase )
{
/* Mesa's GLX isn't really an X extension but we try to act like one. */
(void) dpy;
- (void) errorb;
- (void) event;
+ if (errorBase)
+ *errorBase = 0;
+ if (eventBase)
+ *eventBase = 0;
return True;
}
@@ -2349,32 +2351,42 @@ Fake_glXCreatePbuffer( Display *dpy, GLXFBConfig config,
break;
case GLX_PRESERVED_CONTENTS:
attrib++;
- preserveContents = *attrib; /* ignored */
+ preserveContents = *attrib;
break;
case GLX_LARGEST_PBUFFER:
attrib++;
- useLargest = *attrib; /* ignored */
+ useLargest = *attrib;
break;
default:
return 0;
}
}
- /* not used at this time */
- (void) useLargest;
- (void) preserveContents;
-
if (width == 0 || height == 0)
return 0;
+ if (width > MAX_WIDTH || height > MAX_HEIGHT) {
+ /* If allocation would have failed and GLX_LARGEST_PBUFFER is set,
+ * allocate the largest possible buffer.
+ */
+ if (useLargest) {
+ width = MAX_WIDTH;
+ height = MAX_HEIGHT;
+ }
+ }
+
xmbuf = XMesaCreatePBuffer( xmvis, 0, width, height);
/* A GLXPbuffer handle must be an X Drawable because that's what
* glXMakeCurrent takes.
*/
- if (xmbuf)
+ if (xmbuf) {
+ xmbuf->largestPbuffer = useLargest;
+ xmbuf->preservedContents = preserveContents;
return (GLXPbuffer) xmbuf->frontxrb->pixmap;
- else
+ }
+ else {
return 0;
+ }
}
@@ -2396,6 +2408,9 @@ Fake_glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute,
if (!xmbuf)
return;
+ /* make sure buffer's dimensions are up to date */
+ xmesa_check_and_update_buffer_size(NULL, xmbuf);
+
switch (attribute) {
case GLX_WIDTH:
*value = xmbuf->mesa_buffer.Width;
@@ -2404,10 +2419,10 @@ Fake_glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute,
*value = xmbuf->mesa_buffer.Height;
break;
case GLX_PRESERVED_CONTENTS:
- *value = True;
+ *value = xmbuf->preservedContents;
break;
case GLX_LARGEST_PBUFFER:
- *value = xmbuf->mesa_buffer.Width * xmbuf->mesa_buffer.Height;
+ *value = xmbuf->largestPbuffer;
break;
case GLX_FBCONFIG_ID:
*value = xmbuf->xm_visual->visinfo->visualid;
@@ -2764,10 +2779,10 @@ Fake_glXQueryGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf, int attribute, un
switch (attribute) {
case GLX_PRESERVED_CONTENTS_SGIX:
- *value = True;
+ *value = xmbuf->preservedContents;
break;
case GLX_LARGEST_PBUFFER_SGIX:
- *value = xmbuf->mesa_buffer.Width * xmbuf->mesa_buffer.Height;
+ *value = xmbuf->largestPbuffer;
break;
case GLX_WIDTH_SGIX:
*value = xmbuf->mesa_buffer.Width;