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minor changes, prototype Pbuffer support

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This commit is contained in:
Brian Paul 2001-09-01 20:27:31 +00:00
parent 62f75054cb
commit 190d34874c
1 changed files with 54 additions and 4 deletions
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58
src/mesa/drivers/x11/xm_api.c
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@ -1,4 +1,4 @@
/* $Id: xm_api.c,v 1.27 2001/08/31 04:30:14 brianp Exp $ */
/* $Id: xm_api.c,v 1.28 2001/09/01 20:27:31 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -1030,11 +1030,10 @@ static void setup_8bit_hpcr( XMesaVisual v )
* Setup RGB rendering for a window with a True/DirectColor visual.
*/
static void setup_truecolor( XMesaVisual v, XMesaBuffer buffer,
XMesaWindow window, XMesaColormap cmap )
XMesaColormap cmap )
{
unsigned long rmask, gmask, bmask;
(void) buffer;
(void) window;
(void) cmap;
/* Compute red multiplier (mask) and bit shift */
@ -1227,7 +1226,7 @@ static GLboolean initialize_visual_and_buffer( int client,
int xclass;
xclass = GET_VISUAL_CLASS(v);
if (xclass==TrueColor || xclass==DirectColor) {
setup_truecolor( v, b, (XMesaWindow)window, cmap );
setup_truecolor( v, b, cmap );
}
else if (xclass==StaticGray && GET_VISUAL_DEPTH(v)==1) {
setup_monochrome( v, b );
@ -1961,6 +1960,57 @@ XMesaBuffer XMesaCreatePixmapBuffer( XMesaVisual v,
#if 0 /* not done */
XMesaBuffer XMesaCreatePBuffer( XMesaVisual v, XMesaColormap cmap,
unsigned int width, unsigned int height )
{
int client = 0;
XMesaBuffer b = alloc_xmesa_buffer();
if (!b) {
return NULL;
}
b->xm_context = NULL; /* Associate no context with this buffer */
b->xm_visual = v;
b->pbuffer_flag = GL_TRUE;
b->display = v->display;
b->cmap = cmap;
/* determine back buffer implementation */
if (v->mesa_visual.doubleBufferMode) {
if (v->ximage_flag) {
b->db_state = BACK_XIMAGE;
}
else {
b->db_state = BACK_PIXMAP;
}
}
else {
b->db_state = 0;
}
_mesa_initialize_framebuffer(&b->mesa_buffer,
&v->mesa_visual,
v->mesa_visual.depthBits > 0,
v->mesa_visual.stencilBits > 0,
v->mesa_visual.accumRedBits +
v->mesa_visual.accumGreenBits +
v->mesa_visual.accumBlueBits > 0,
v->mesa_visual.alphaBits > 0 );
if (!initialize_visual_and_buffer(client, v, b, v->mesa_visual.rgbMode,
0, cmap)) {
free_xmesa_buffer(client, b);
return NULL;
}
return b;
}
#endif
/*
* Deallocate an XMesaBuffer structure and all related info.
*/