/* Update the hardware state. This is called if another context has
* grabbed the hardware lock, which includes the X server. This
* function also updates the driver's window state after the X server
* moves, resizes or restacks a window -- the change will be reflected
* in the drawable position and clip rects. Since the X server grabs
* the hardware lock when it changes the window state, this routine will
* automatically be called after such a change.
*/
void mach64GetLock( mach64ContextPtr mmesa, GLuint flags )
{
__DRIdrawablePrivate *dPriv = mmesa->driDrawable;
__DRIscreenPrivate *sPriv = mmesa->driScreen;
drm_mach64_sarea_t *sarea = mmesa->sarea;
int i;
drmGetLock( mmesa->driFd, mmesa->hHWContext, flags );
/* The window might have moved, so we might need to get new clip
* rects.
*
* NOTE: This releases and regrabs the hw lock to allow the X server
* to respond to the DRI protocol request for new drawable info.
* Since the hardware state depends on having the latest drawable
* clip rects, all state checking must be done _after_ this call.
*/
DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv );
if ( mmesa->lastStamp != dPriv->lastStamp ) {
mmesa->lastStamp = dPriv->lastStamp;
if (mmesa->glCtx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_BACK_LEFT)
mach64SetCliprects( mmesa->glCtx, GL_BACK_LEFT );
else
mach64SetCliprects( mmesa->glCtx, GL_FRONT_LEFT );
driUpdateFramebufferSize( mmesa->glCtx, dPriv );
mach64CalcViewport( mmesa->glCtx );
}
mmesa->dirty |= (MACH64_UPLOAD_CONTEXT
| MACH64_UPLOAD_MISC
| MACH64_UPLOAD_CLIPRECTS);
/* EXA render acceleration uses the texture engine, so restore it */
mmesa->dirty |= (MACH64_UPLOAD_TEXTURE);
if ( sarea->ctx_owner != mmesa->hHWContext ) {
sarea->ctx_owner = mmesa->hHWContext;
mmesa->dirty = MACH64_UPLOAD_ALL;
}
for ( i = mmesa->firstTexHeap ; i < mmesa->lastTexHeap ; i++ ) {
DRI_AGE_TEXTURES( mmesa->texture_heaps[i] );
}
}
/* Force the context `c' to be the current context and associate with it
* buffer `b'.
*/
GLboolean
mach64MakeCurrent( __DRIcontext *driContextPriv,
__DRIdrawable *driDrawPriv,
__DRIdrawable *driReadPriv )
{
if ( driContextPriv ) {
GET_CURRENT_CONTEXT(ctx);
mach64ContextPtr oldMach64Ctx = ctx ? MACH64_CONTEXT(ctx) : NULL;
mach64ContextPtr newMach64Ctx = (mach64ContextPtr) driContextPriv->driverPrivate;
if ( newMach64Ctx != oldMach64Ctx ) {
newMach64Ctx->new_state |= MACH64_NEW_CONTEXT;
newMach64Ctx->dirty = MACH64_UPLOAD_ALL;
}
if ( newMach64Ctx->driDrawable != driDrawPriv ) {
if (driDrawPriv->swap_interval == (unsigned)-1) {
driDrawPriv->vblFlags = (newMach64Ctx->do_irqs)
? driGetDefaultVBlankFlags(&newMach64Ctx->optionCache)
: VBLANK_FLAG_NO_IRQ;
driDrawableInitVBlank( driDrawPriv );
}
newMach64Ctx->driDrawable = driDrawPriv;
mach64CalcViewport( newMach64Ctx->glCtx );
}
_mesa_make_current( newMach64Ctx->glCtx,
(GLframebuffer *) driDrawPriv->driverPrivate,
(GLframebuffer *) driReadPriv->driverPrivate );
newMach64Ctx->new_state |= MACH64_NEW_CLIP;
} else {
_mesa_make_current( NULL, NULL, NULL );
}
return GL_TRUE;
}
/* Force the context `c' to be the current context and associate with it
* buffer `b'.
*/
GLboolean
mach64MakeCurrent( __DRIcontextPrivate *driContextPriv,
__DRIdrawablePrivate *driDrawPriv,
__DRIdrawablePrivate *driReadPriv )
{
if ( driContextPriv ) {
GET_CURRENT_CONTEXT(ctx);
mach64ContextPtr oldMach64Ctx = ctx ? MACH64_CONTEXT(ctx) : NULL;
mach64ContextPtr newMach64Ctx = (mach64ContextPtr) driContextPriv->driverPrivate;
if ( newMach64Ctx != oldMach64Ctx ) {
newMach64Ctx->new_state |= MACH64_NEW_CONTEXT;
newMach64Ctx->dirty = MACH64_UPLOAD_ALL;
}
driDrawableInitVBlank( driDrawPriv, newMach64Ctx->vblank_flags,
&newMach64Ctx->vbl_seq );
if ( newMach64Ctx->driDrawable != driDrawPriv ) {
newMach64Ctx->driDrawable = driDrawPriv;
mach64CalcViewport( newMach64Ctx->glCtx );
}
_mesa_make_current( newMach64Ctx->glCtx,
(GLframebuffer *) driDrawPriv->driverPrivate,
(GLframebuffer *) driReadPriv->driverPrivate );
newMach64Ctx->new_state |= MACH64_NEW_CLIP;
} else {
_mesa_make_current( NULL, NULL, NULL );
}
return GL_TRUE;
}
